diff --git a/.mxproject b/.mxproject index 793c3c1..ab48512 100644 --- a/.mxproject +++ b/.mxproject @@ -1,8 +1,8 @@ [PreviousLibFiles] -LibFiles=Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_gpio.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_system.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_exti.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_cortex.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_bus.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_rcc.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_crs.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_utils.h;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_utils.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_pwr.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_dma.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_dmamux.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_spi.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_icache.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_tim.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_usart.h;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_gpio.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_rcc.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_dma.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_spi.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_tim.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_usart.c;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_gpio.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_system.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_exti.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_cortex.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_bus.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_rcc.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_crs.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_utils.h;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_utils.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_pwr.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_dma.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_dmamux.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_spi.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_icache.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_tim.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_usart.h;Drivers\CMSIS\Device\ST\STM32H5xx\Include\stm32h533xx.h;Drivers\CMSIS\Device\ST\STM32H5xx\Include\stm32h5xx.h;Drivers\CMSIS\Device\ST\STM32H5xx\Include\system_stm32h5xx.h;Drivers\CMSIS\Device\ST\STM32H5xx\Include\system_stm32h5xx.h;Drivers\CMSIS\Device\ST\STM32H5xx\Source\Templates\system_stm32h5xx.c;Drivers\CMSIS\Include\cachel1_armv7.h;Drivers\CMSIS\Include\cmsis_armcc.h;Drivers\CMSIS\Include\cmsis_armclang.h;Drivers\CMSIS\Include\cmsis_armclang_ltm.h;Drivers\CMSIS\Include\cmsis_compiler.h;Drivers\CMSIS\Include\cmsis_gcc.h;Drivers\CMSIS\Include\cmsis_iccarm.h;Drivers\CMSIS\Include\cmsis_version.h;Drivers\CMSIS\Include\core_armv81mml.h;Drivers\CMSIS\Include\core_armv8mbl.h;Drivers\CMSIS\Include\core_armv8mml.h;Drivers\CMSIS\Include\core_cm0.h;Drivers\CMSIS\Include\core_cm0plus.h;Drivers\CMSIS\Include\core_cm1.h;Drivers\CMSIS\Include\core_cm23.h;Drivers\CMSIS\Include\core_cm3.h;Drivers\CMSIS\Include\core_cm33.h;Drivers\CMSIS\Include\core_cm35p.h;Drivers\CMSIS\Include\core_cm4.h;Drivers\CMSIS\Include\core_cm55.h;Drivers\CMSIS\Include\core_cm7.h;Drivers\CMSIS\Include\core_cm85.h;Drivers\CMSIS\Include\core_sc000.h;Drivers\CMSIS\Include\core_sc300.h;Drivers\CMSIS\Include\core_starmc1.h;Drivers\CMSIS\Include\mpu_armv7.h;Drivers\CMSIS\Include\mpu_armv8.h;Drivers\CMSIS\Include\pac_armv81.h;Drivers\CMSIS\Include\pmu_armv8.h;Drivers\CMSIS\Include\tz_context.h; +LibFiles=Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_gpio.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_system.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_exti.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_cortex.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_bus.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_rcc.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_crs.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_utils.h;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_utils.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_pwr.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_dma.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_dmamux.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_i2c.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_spi.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_icache.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_tim.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_usart.h;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_gpio.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_rcc.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_dma.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_i2c.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_spi.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_tim.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_usart.c;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_gpio.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_system.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_exti.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_cortex.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_bus.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_rcc.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_crs.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_utils.h;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_utils.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_pwr.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_dma.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_dmamux.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_i2c.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_spi.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_icache.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_tim.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_usart.h;Drivers\CMSIS\Device\ST\STM32H5xx\Include\stm32h533xx.h;Drivers\CMSIS\Device\ST\STM32H5xx\Include\stm32h5xx.h;Drivers\CMSIS\Device\ST\STM32H5xx\Include\system_stm32h5xx.h;Drivers\CMSIS\Device\ST\STM32H5xx\Include\system_stm32h5xx.h;Drivers\CMSIS\Device\ST\STM32H5xx\Source\Templates\system_stm32h5xx.c;Drivers\CMSIS\Include\cachel1_armv7.h;Drivers\CMSIS\Include\cmsis_armcc.h;Drivers\CMSIS\Include\cmsis_armclang.h;Drivers\CMSIS\Include\cmsis_armclang_ltm.h;Drivers\CMSIS\Include\cmsis_compiler.h;Drivers\CMSIS\Include\cmsis_gcc.h;Drivers\CMSIS\Include\cmsis_iccarm.h;Drivers\CMSIS\Include\cmsis_version.h;Drivers\CMSIS\Include\core_armv81mml.h;Drivers\CMSIS\Include\core_armv8mbl.h;Drivers\CMSIS\Include\core_armv8mml.h;Drivers\CMSIS\Include\core_cm0.h;Drivers\CMSIS\Include\core_cm0plus.h;Drivers\CMSIS\Include\core_cm1.h;Drivers\CMSIS\Include\core_cm23.h;Drivers\CMSIS\Include\core_cm3.h;Drivers\CMSIS\Include\core_cm33.h;Drivers\CMSIS\Include\core_cm35p.h;Drivers\CMSIS\Include\core_cm4.h;Drivers\CMSIS\Include\core_cm55.h;Drivers\CMSIS\Include\core_cm7.h;Drivers\CMSIS\Include\core_cm85.h;Drivers\CMSIS\Include\core_sc000.h;Drivers\CMSIS\Include\core_sc300.h;Drivers\CMSIS\Include\core_starmc1.h;Drivers\CMSIS\Include\mpu_armv7.h;Drivers\CMSIS\Include\mpu_armv8.h;Drivers\CMSIS\Include\pac_armv81.h;Drivers\CMSIS\Include\pmu_armv8.h;Drivers\CMSIS\Include\tz_context.h; [PreviousUsedCubeIDEFiles] -SourceFiles=Core\Src\main.c;Core\Src\stm32h5xx_it.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_utils.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_gpio.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_rcc.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_dma.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_spi.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_tim.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_usart.c;Drivers\CMSIS\Device\ST\STM32H5xx\Source\Templates\system_stm32h5xx.c;Core\Src\system_stm32h5xx.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_utils.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_gpio.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_rcc.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_dma.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_spi.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_tim.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_usart.c;Drivers\CMSIS\Device\ST\STM32H5xx\Source\Templates\system_stm32h5xx.c;Core\Src\system_stm32h5xx.c;;; +SourceFiles=Core\Src\main.c;Core\Src\stm32h5xx_it.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_utils.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_gpio.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_rcc.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_dma.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_i2c.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_spi.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_tim.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_usart.c;Drivers\CMSIS\Device\ST\STM32H5xx\Source\Templates\system_stm32h5xx.c;Core\Src\system_stm32h5xx.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_utils.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_exti.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_gpio.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_rcc.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_dma.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_i2c.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_spi.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_tim.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_usart.c;Drivers\CMSIS\Device\ST\STM32H5xx\Source\Templates\system_stm32h5xx.c;Core\Src\system_stm32h5xx.c;;; HeaderPath=Drivers\STM32H5xx_HAL_Driver\Inc;Drivers\CMSIS\Device\ST\STM32H5xx\Include;Drivers\CMSIS\Include;Core\Inc; CDefines=USE_FULL_LL_DRIVER;HSE_VALUE:16000000;HSE_STARTUP_TIMEOUT:100;LSE_STARTUP_TIMEOUT:5000;LSE_VALUE:32768;EXTERNAL_CLOCK_VALUE:12288000;HSI_VALUE:64000000;LSI_VALUE:32000;VDD_VALUE:3300;STM32H533xx;USE_FULL_LL_DRIVER;HSE_VALUE:16000000;HSE_STARTUP_TIMEOUT:100;LSE_STARTUP_TIMEOUT:5000;LSE_VALUE:32768;EXTERNAL_CLOCK_VALUE:12288000;HSI_VALUE:64000000;LSI_VALUE:32000;VDD_VALUE:3300; diff --git a/Core/Inc/main.h b/Core/Inc/main.h index 4690b32..3f241d6 100644 --- a/Core/Inc/main.h +++ b/Core/Inc/main.h @@ -28,6 +28,8 @@ extern "C" { /* Includes ------------------------------------------------------------------*/ #include "stm32h5xx_ll_dma.h" +#include "stm32h5xx.h" +#include "stm32h5xx_ll_i2c.h" #include "stm32h5xx_ll_spi.h" #include "stm32h5xx_ll_rcc.h" #include "stm32h5xx_ll_icache.h" diff --git a/Core/Src/main.c b/Core/Src/main.c index d1fb4ad..00528b8 100644 --- a/Core/Src/main.c +++ b/Core/Src/main.c @@ -75,6 +75,7 @@ static void MX_USART3_UART_Init(void); static void MX_UART5_Init(void); static void MX_USART2_UART_Init(void); static void MX_I2S2_Init(void); +static void MX_I2C1_Init(void); /* USER CODE BEGIN PFP */ @@ -182,6 +183,7 @@ int main(void) MX_UART5_Init(); MX_USART2_UART_Init(); MX_I2S2_Init(); + MX_I2C1_Init(); /* USER CODE BEGIN 2 */ init_printf(NULL, &uart_putc); @@ -335,8 +337,9 @@ void PeriphCommonClock_Config(void) LL_RCC_PLL3_SetN(8); LL_RCC_PLL3_SetP(2); LL_RCC_PLL3_SetQ(4); - LL_RCC_PLL3_SetR(2); + LL_RCC_PLL3_SetR(4); LL_RCC_PLL3Q_Enable(); + LL_RCC_PLL3R_Enable(); LL_RCC_PLL3_Enable(); /* Wait till PLL is ready */ @@ -394,6 +397,69 @@ static void MX_GPDMA2_Init(void) } +/** + * @brief I2C1 Initialization Function + * @param None + * @retval None + */ +static void MX_I2C1_Init(void) +{ + + /* USER CODE BEGIN I2C1_Init 0 */ + + /* USER CODE END I2C1_Init 0 */ + + LL_I2C_InitTypeDef I2C_InitStruct = {0}; + + LL_GPIO_InitTypeDef GPIO_InitStruct = {0}; + + LL_RCC_SetI2CClockSource(LL_RCC_I2C1_CLKSOURCE_PLL3R); + + LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOB); + /**I2C1 GPIO Configuration + PB6 ------> I2C1_SCL + PB7 ------> I2C1_SDA + */ + GPIO_InitStruct.Pin = LL_GPIO_PIN_6|LL_GPIO_PIN_7; + GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE; + GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN; + GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; + GPIO_InitStruct.Alternate = LL_GPIO_AF_4; + LL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + /* Peripheral clock enable */ + LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C1); + + /* USER CODE BEGIN I2C1_Init 1 */ + + /* USER CODE END I2C1_Init 1 */ + + /** I2C Initialization + */ + LL_I2C_EnableAutoEndMode(I2C1); + LL_I2C_DisableOwnAddress2(I2C1); + LL_I2C_DisableGeneralCall(I2C1); + LL_I2C_EnableClockStretching(I2C1); + I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C; + I2C_InitStruct.Timing = 0x00707CBB; + I2C_InitStruct.AnalogFilter = LL_I2C_ANALOGFILTER_ENABLE; + I2C_InitStruct.DigitalFilter = 0; + I2C_InitStruct.OwnAddress1 = 0; + I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK; + I2C_InitStruct.OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT; + LL_I2C_Init(I2C1, &I2C_InitStruct); + LL_I2C_SetOwnAddress2(I2C1, 0, LL_I2C_OWNADDRESS2_NOMASK); + + /** I2C Fast mode Plus enable + */ + LL_I2C_EnableFastModePlus(I2C1); + /* USER CODE BEGIN I2C1_Init 2 */ + + /* USER CODE END I2C1_Init 2 */ + +} + /** * @brief I2S2 Initialization Function * @param None diff --git a/DigitalAudioH533.ioc b/DigitalAudioH533.ioc index e845ea2..207e42f 100644 --- a/DigitalAudioH533.ioc +++ b/DigitalAudioH533.ioc @@ -43,6 +43,8 @@ GPDMA2.SRCDATAWIDTH_GPDMACH0=DMA_SRC_DATAWIDTH_WORD GPDMA2.SRCINC_GPDMACH0=DMA_SINC_INCREMENTED GPDMA2.TRANSFERALLOCATEDPORTSRC_GPDMACH0=DMA_SRC_ALLOCATED_PORT1 GPIO.groupedBy=Group By Peripherals +I2C1.IPParameters=Timing +I2C1.Timing=0x00707CBB I2S2.AudioFreq=AudioFreqCustomValue I2S2.AudioFreqCustom=32000 I2S2.DataFormat=I2S_DATAFORMAT_32B @@ -88,22 +90,23 @@ Mcu.ContextProject=TrustZoneDisabled Mcu.Family=STM32H5 Mcu.IP0=BOOTPATH Mcu.IP1=CORTEX_M33_NS -Mcu.IP10=RCC -Mcu.IP11=SYS -Mcu.IP12=TIM2 -Mcu.IP13=TIM5 -Mcu.IP14=UART5 -Mcu.IP15=USART2 -Mcu.IP16=USART3 +Mcu.IP10=PWR +Mcu.IP11=RCC +Mcu.IP12=SYS +Mcu.IP13=TIM2 +Mcu.IP14=TIM5 +Mcu.IP15=UART5 +Mcu.IP16=USART2 +Mcu.IP17=USART3 Mcu.IP2=DEBUG Mcu.IP3=GPDMA1 Mcu.IP4=GPDMA2 -Mcu.IP5=I2S2 -Mcu.IP6=ICACHE -Mcu.IP7=MEMORYMAP -Mcu.IP8=NVIC -Mcu.IP9=PWR -Mcu.IPNb=17 +Mcu.IP5=I2C1 +Mcu.IP6=I2S2 +Mcu.IP7=ICACHE +Mcu.IP8=MEMORYMAP +Mcu.IP9=NVIC +Mcu.IPNb=18 Mcu.Name=STM32H533RETx Mcu.Package=LQFP64 Mcu.Pin0=PC14-OSC32_IN(OSC32_IN) @@ -117,30 +120,32 @@ Mcu.Pin15=PA14(JTCK/SWCLK) Mcu.Pin16=PC11 Mcu.Pin17=PC12 Mcu.Pin18=PD2 -Mcu.Pin19=PB8 +Mcu.Pin19=PB6 Mcu.Pin2=PH0-OSC_IN(PH0) -Mcu.Pin20=VP_CORTEX_M33_NS_VS_Hclk -Mcu.Pin21=VP_GPDMA1_VS_GPDMACH0 -Mcu.Pin22=VP_GPDMA1_VS_GPDMACH1 -Mcu.Pin23=VP_GPDMA1_VS_GPDMACH2 -Mcu.Pin24=VP_GPDMA1_VS_GPDMACH3 -Mcu.Pin25=VP_GPDMA2_VS_GPDMACH0 -Mcu.Pin26=VP_ICACHE_VS_ICACHE -Mcu.Pin27=VP_PWR_VS_SECSignals -Mcu.Pin28=VP_PWR_VS_LPOM -Mcu.Pin29=VP_SYS_VS_Systick +Mcu.Pin20=PB7 +Mcu.Pin21=PB8 +Mcu.Pin22=VP_CORTEX_M33_NS_VS_Hclk +Mcu.Pin23=VP_GPDMA1_VS_GPDMACH0 +Mcu.Pin24=VP_GPDMA1_VS_GPDMACH1 +Mcu.Pin25=VP_GPDMA1_VS_GPDMACH2 +Mcu.Pin26=VP_GPDMA1_VS_GPDMACH3 +Mcu.Pin27=VP_GPDMA2_VS_GPDMACH0 +Mcu.Pin28=VP_ICACHE_VS_ICACHE +Mcu.Pin29=VP_PWR_VS_SECSignals Mcu.Pin3=PH1-OSC_OUT(PH1) -Mcu.Pin30=VP_TIM2_VS_ClockSourceINT -Mcu.Pin31=VP_TIM5_VS_ClockSourceINT -Mcu.Pin32=VP_BOOTPATH_VS_BOOTPATH -Mcu.Pin33=VP_MEMORYMAP_VS_MEMORYMAP +Mcu.Pin30=VP_PWR_VS_LPOM +Mcu.Pin31=VP_SYS_VS_Systick +Mcu.Pin32=VP_TIM2_VS_ClockSourceINT +Mcu.Pin33=VP_TIM5_VS_ClockSourceINT +Mcu.Pin34=VP_BOOTPATH_VS_BOOTPATH +Mcu.Pin35=VP_MEMORYMAP_VS_MEMORYMAP Mcu.Pin4=PC2 Mcu.Pin5=PA1 Mcu.Pin6=PA2 Mcu.Pin7=PA3 Mcu.Pin8=PB1 Mcu.Pin9=PB10 -Mcu.PinsNb=34 +Mcu.PinsNb=36 Mcu.ThirdPartyNb=0 Mcu.UserConstants= Mcu.UserName=STM32H533RETx @@ -170,48 +175,67 @@ PA2.GPIOParameters=GPIO_Speed PA2.GPIO_Speed=GPIO_SPEED_FREQ_HIGH PA2.Mode=Asynchronous PA2.Signal=USART2_TX -PA3.GPIOParameters=GPIO_Speed +PA3.GPIOParameters=GPIO_Speed,PinAttribute PA3.GPIO_Speed=GPIO_SPEED_FREQ_HIGH PA3.Mode=Asynchronous +PA3.PinAttribute=Free PA3.Signal=USART2_RX -PB1.GPIOParameters=GPIO_Speed +PB1.GPIOParameters=GPIO_Speed,PinAttribute PB1.GPIO_Speed=GPIO_SPEED_FREQ_HIGH PB1.Locked=true PB1.Mode=Asynchronous +PB1.PinAttribute=Free PB1.Signal=USART3_RX -PB10.GPIOParameters=GPIO_Speed +PB10.GPIOParameters=GPIO_Speed,PinAttribute PB10.GPIO_Speed=GPIO_SPEED_FREQ_HIGH PB10.Mode=Asynchronous +PB10.PinAttribute=Free PB10.Signal=USART3_TX -PB12.GPIOParameters=GPIO_Speed +PB12.GPIOParameters=GPIO_Speed,PinAttribute PB12.GPIO_Speed=GPIO_SPEED_FREQ_MEDIUM PB12.Mode=Full_Duplex_Master +PB12.PinAttribute=Free PB12.Signal=I2S2_WS -PB13.GPIOParameters=GPIO_Speed +PB13.GPIOParameters=GPIO_Speed,PinAttribute PB13.GPIO_Speed=GPIO_SPEED_FREQ_MEDIUM PB13.Locked=true PB13.Mode=Full_Duplex_Master +PB13.PinAttribute=Free PB13.Signal=I2S2_CK -PB14.GPIOParameters=GPIO_Speed +PB14.GPIOParameters=GPIO_Speed,PinAttribute PB14.GPIO_Speed=GPIO_SPEED_FREQ_HIGH PB14.Mode=Hardware Flow Control (RS485) +PB14.PinAttribute=Free PB14.Signal=USART3_DE -PB15.GPIOParameters=GPIO_Speed +PB15.GPIOParameters=GPIO_Speed,PinAttribute PB15.GPIO_Speed=GPIO_SPEED_FREQ_MEDIUM PB15.Locked=true PB15.Mode=Full_Duplex_Master +PB15.PinAttribute=Free PB15.Signal=I2S2_SDO -PB8.GPIOParameters=GPIO_Label +PB6.GPIOParameters=PinAttribute +PB6.Mode=I2C +PB6.PinAttribute=Free +PB6.Signal=I2C1_SCL +PB7.GPIOParameters=PinAttribute +PB7.Mode=I2C +PB7.PinAttribute=Free +PB7.Signal=I2C1_SDA +PB8.GPIOParameters=GPIO_Label,PinAttribute PB8.GPIO_Label=SHR_DOUT_DISP PB8.Locked=true +PB8.PinAttribute=Free PB8.Signal=GPIO_Output -PC11.GPIOParameters=PinState,GPIO_Label +PC11.GPIOParameters=PinState,GPIO_Label,PinAttribute PC11.GPIO_Label=LD2 PC11.Locked=true +PC11.PinAttribute=Free PC11.PinState=GPIO_PIN_SET PC11.Signal=GPIO_Output +PC12.GPIOParameters=PinAttribute PC12.Locked=true PC12.Mode=Asynchronous +PC12.PinAttribute=Free PC12.Signal=UART5_TX PC14-OSC32_IN(OSC32_IN).GPIOParameters=GPIO_Label,PinAttribute PC14-OSC32_IN(OSC32_IN).GPIO_Label=SHR_CLK @@ -234,8 +258,10 @@ PCC.PartNumber=STM32H533RETx PCC.Series=STM32H5 PCC.Temperature=25 PCC.Vdd=3.0 +PD2.GPIOParameters=PinAttribute PD2.Locked=true PD2.Mode=Asynchronous +PD2.PinAttribute=Free PD2.Signal=UART5_RX PH0-OSC_IN(PH0).Mode=HSE-External-Oscillator PH0-OSC_IN(PH0).Signal=RCC_OSC_IN @@ -274,7 +300,7 @@ ProjectManager.ToolChainLocation= ProjectManager.UAScriptAfterPath= ProjectManager.UAScriptBeforePath= ProjectManager.UnderRoot=true -ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-LL-false,2-MX_GPIO_Init-GPIO-false-LL-true,3-MX_GPDMA1_Init-GPDMA1-false-LL-true,4-MX_GPDMA2_Init-GPDMA2-false-LL-true,5-MX_ICACHE_Init-ICACHE-false-LL-true,6-MX_TIM5_Init-TIM5-false-LL-true,7-MX_TIM2_Init-TIM2-false-LL-true,8-MX_USART3_UART_Init-USART3-false-LL-true,9-MX_UART5_Init-UART5-false-LL-true,10-MX_USART2_UART_Init-USART2-false-LL-true,11-MX_I2S2_Init-I2S2-false-LL-true,0-MX_CORTEX_M33_NS_Init-CORTEX_M33_NS-false-LL-true,0-MX_PWR_Init-PWR-false-LL-true +ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-LL-false,2-MX_GPIO_Init-GPIO-false-LL-true,3-MX_GPDMA1_Init-GPDMA1-false-LL-true,4-MX_GPDMA2_Init-GPDMA2-false-LL-true,5-MX_ICACHE_Init-ICACHE-false-LL-true,6-MX_TIM5_Init-TIM5-false-LL-true,7-MX_TIM2_Init-TIM2-false-LL-true,8-MX_USART3_UART_Init-USART3-false-LL-true,9-MX_UART5_Init-UART5-false-LL-true,10-MX_USART2_UART_Init-USART2-false-LL-true,11-MX_I2S2_Init-I2S2-false-LL-true,12-MX_I2C1_Init-I2C1-false-LL-true,0-MX_CORTEX_M33_NS_Init-CORTEX_M33_NS-false-LL-true,0-MX_PWR_Init-PWR-false-LL-true RCC.ADCFreq_Value=80000000 RCC.AHBFreq_Value=80000000 RCC.APB1Freq_Value=80000000 @@ -296,12 +322,13 @@ RCC.HCLKFreq_Value=80000000 RCC.HSE_VALUE=16000000 RCC.HSI48_VALUE=48000000 RCC.HSI_VALUE=64000000 -RCC.I2C1Freq_Value=80000000 +RCC.I2C1CLockSelection=RCC_I2C1CLKSOURCE_PLL3R +RCC.I2C1Freq_Value=32000000 RCC.I2C2Freq_Value=80000000 RCC.I2C3Freq_Value=80000000 RCC.I3C1Freq_Value=80000000 RCC.I3C2Freq_Value=80000000 -RCC.IPParameters=ADCFreq_Value,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,APB3Freq_Value,CKPERFreq_Value,CKPERSourceSelection,CRSFreq_Value,CSI_VALUE,CortexFreq_Value,DACFreq_Value,EPOD_VALUE,FCLKCortexFreq_Value,FDCANFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,I3C1Freq_Value,I3C2Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LSCOPinFreq_Value,LSE_VALUE,LSIRC_VALUE,MCO1PinFreq_Value,MCO2PinFreq_Value,OCTOSPIMFreq_Value,PLL1P,PLL1Q,PLL2M,PLL2N,PLL2P,PLL2PoutputFreq_Value,PLL2Q,PLL2QoutputFreq_Value,PLL2RoutputFreq_Value,PLL2Source,PLL3N,PLL3PoutputFreq_Value,PLL3Q,PLL3QoutputFreq_Value,PLL3RoutputFreq_Value,PLL3Source,PLLN,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLSourceVirtual,PWRFreq_Value,RNGFreq_Value,SDMMC1Freq_Value,SPI1Freq_Value,SPI2CLockSelection,SPI2Freq_Value,SPI3Freq_Value,SPI4Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,UART4Freq_Value,UART5CLockSelection,UART5Freq_Value,UCPD1outputFreq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USART6Freq_Value,USBFreq_Value,VCOInput2Freq_Value,VCOInput3Freq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOPLL2OutputFreq_Value,VCOPLL3OutputFreq_Value +RCC.IPParameters=ADCFreq_Value,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,APB3Freq_Value,CKPERFreq_Value,CKPERSourceSelection,CRSFreq_Value,CSI_VALUE,CortexFreq_Value,DACFreq_Value,EPOD_VALUE,FCLKCortexFreq_Value,FDCANFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1CLockSelection,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,I3C1Freq_Value,I3C2Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LSCOPinFreq_Value,LSE_VALUE,LSIRC_VALUE,MCO1PinFreq_Value,MCO2PinFreq_Value,OCTOSPIMFreq_Value,PLL1P,PLL1Q,PLL2M,PLL2N,PLL2P,PLL2PoutputFreq_Value,PLL2Q,PLL2QoutputFreq_Value,PLL2RoutputFreq_Value,PLL2Source,PLL3N,PLL3PoutputFreq_Value,PLL3Q,PLL3QoutputFreq_Value,PLL3R,PLL3RoutputFreq_Value,PLL3Source,PLLN,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLSourceVirtual,PWRFreq_Value,RNGFreq_Value,SDMMC1Freq_Value,SPI1Freq_Value,SPI2CLockSelection,SPI2Freq_Value,SPI3Freq_Value,SPI4Freq_Value,SYSCLKFreq_VALUE,SYSCLKSource,UART4Freq_Value,UART5CLockSelection,UART5Freq_Value,UCPD1outputFreq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USART6Freq_Value,USBFreq_Value,VCOInput2Freq_Value,VCOInput3Freq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOPLL2OutputFreq_Value,VCOPLL3OutputFreq_Value RCC.LPTIM1Freq_Value=80000000 RCC.LPTIM2Freq_Value=80000000 RCC.LPUART1Freq_Value=80000000 @@ -325,7 +352,8 @@ RCC.PLL3N=8 RCC.PLL3PoutputFreq_Value=64000000 RCC.PLL3Q=4 RCC.PLL3QoutputFreq_Value=32000000 -RCC.PLL3RoutputFreq_Value=64000000 +RCC.PLL3R=4 +RCC.PLL3RoutputFreq_Value=32000000 RCC.PLL3Source=RCC_PLL3_SOURCE_HSE RCC.PLLN=20 RCC.PLLPoutputFreq_Value=80000000 diff --git a/Drivers/STM32H5xx_HAL_Driver/Inc/stm32h5xx_ll_i2c.h b/Drivers/STM32H5xx_HAL_Driver/Inc/stm32h5xx_ll_i2c.h new file mode 100644 index 0000000..230fd48 --- /dev/null +++ b/Drivers/STM32H5xx_HAL_Driver/Inc/stm32h5xx_ll_i2c.h @@ -0,0 +1,2380 @@ +/** + ****************************************************************************** + * @file stm32h5xx_ll_i2c.h + * @author MCD Application Team + * @brief Header file of I2C LL module. + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef STM32H5xx_LL_I2C_H +#define STM32H5xx_LL_I2C_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h5xx.h" + +/** @addtogroup STM32H5xx_LL_Driver + * @{ + */ + +#if defined (I2C1) || defined (I2C2) || defined (I2C3) || defined (I2C4) + +/** @defgroup I2C_LL I2C + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ + +/* Private constants ---------------------------------------------------------*/ +/** @defgroup I2C_LL_Private_Constants I2C Private Constants + * @{ + */ +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup I2C_LL_Private_Macros I2C Private Macros + * @{ + */ +/** + * @} + */ +#endif /*USE_FULL_LL_DRIVER*/ + +/* Exported types ------------------------------------------------------------*/ +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup I2C_LL_ES_INIT I2C Exported Init structure + * @{ + */ +typedef struct +{ + uint32_t PeripheralMode; /*!< Specifies the peripheral mode. + This parameter can be a value of @ref I2C_LL_EC_PERIPHERAL_MODE. + + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetMode(). */ + + uint32_t Timing; /*!< Specifies the SDA setup, hold time and the SCL high, low period values. + This parameter must be set by referring to the STM32CubeMX Tool and + the helper macro @ref __LL_I2C_CONVERT_TIMINGS(). + + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetTiming(). */ + + uint32_t AnalogFilter; /*!< Enables or disables analog noise filter. + This parameter can be a value of @ref I2C_LL_EC_ANALOGFILTER_SELECTION. + + This feature can be modified afterwards using unitary functions + @ref LL_I2C_EnableAnalogFilter() or LL_I2C_DisableAnalogFilter(). */ + + uint32_t DigitalFilter; /*!< Configures the digital noise filter. + This parameter can be a number between Min_Data = 0x00 and Max_Data = 0x0F. + + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetDigitalFilter(). */ + + uint32_t OwnAddress1; /*!< Specifies the device own address 1. + This parameter must be a value between Min_Data = 0x00 and Max_Data = 0x3FF. + + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetOwnAddress1(). */ + + uint32_t TypeAcknowledge; /*!< Specifies the ACKnowledge or Non ACKnowledge condition after the address receive + match code or next received byte. + This parameter can be a value of @ref I2C_LL_EC_I2C_ACKNOWLEDGE. + + This feature can be modified afterwards using unitary function + @ref LL_I2C_AcknowledgeNextData(). */ + + uint32_t OwnAddrSize; /*!< Specifies the device own address 1 size (7-bit or 10-bit). + This parameter can be a value of @ref I2C_LL_EC_OWNADDRESS1. + + This feature can be modified afterwards using unitary function + @ref LL_I2C_SetOwnAddress1(). */ +} LL_I2C_InitTypeDef; +/** + * @} + */ +#endif /*USE_FULL_LL_DRIVER*/ + +/* Exported constants --------------------------------------------------------*/ +/** @defgroup I2C_LL_Exported_Constants I2C Exported Constants + * @{ + */ + +/** @defgroup I2C_LL_EC_CLEAR_FLAG Clear Flags Defines + * @brief Flags defines which can be used with LL_I2C_WriteReg function + * @{ + */ +#define LL_I2C_ICR_ADDRCF I2C_ICR_ADDRCF /*!< Address Matched flag */ +#define LL_I2C_ICR_NACKCF I2C_ICR_NACKCF /*!< Not Acknowledge flag */ +#define LL_I2C_ICR_STOPCF I2C_ICR_STOPCF /*!< Stop detection flag */ +#define LL_I2C_ICR_BERRCF I2C_ICR_BERRCF /*!< Bus error flag */ +#define LL_I2C_ICR_ARLOCF I2C_ICR_ARLOCF /*!< Arbitration Lost flag */ +#define LL_I2C_ICR_OVRCF I2C_ICR_OVRCF /*!< Overrun/Underrun flag */ +#define LL_I2C_ICR_PECCF I2C_ICR_PECCF /*!< PEC error flag */ +#define LL_I2C_ICR_TIMOUTCF I2C_ICR_TIMOUTCF /*!< Timeout detection flag */ +#define LL_I2C_ICR_ALERTCF I2C_ICR_ALERTCF /*!< Alert flag */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_GET_FLAG Get Flags Defines + * @brief Flags defines which can be used with LL_I2C_ReadReg function + * @{ + */ +#define LL_I2C_ISR_TXE I2C_ISR_TXE /*!< Transmit data register empty */ +#define LL_I2C_ISR_TXIS I2C_ISR_TXIS /*!< Transmit interrupt status */ +#define LL_I2C_ISR_RXNE I2C_ISR_RXNE /*!< Receive data register not empty */ +#define LL_I2C_ISR_ADDR I2C_ISR_ADDR /*!< Address matched (slave mode) */ +#define LL_I2C_ISR_NACKF I2C_ISR_NACKF /*!< Not Acknowledge received flag */ +#define LL_I2C_ISR_STOPF I2C_ISR_STOPF /*!< Stop detection flag */ +#define LL_I2C_ISR_TC I2C_ISR_TC /*!< Transfer Complete (master mode) */ +#define LL_I2C_ISR_TCR I2C_ISR_TCR /*!< Transfer Complete Reload */ +#define LL_I2C_ISR_BERR I2C_ISR_BERR /*!< Bus error */ +#define LL_I2C_ISR_ARLO I2C_ISR_ARLO /*!< Arbitration lost */ +#define LL_I2C_ISR_OVR I2C_ISR_OVR /*!< Overrun/Underrun (slave mode) */ +#define LL_I2C_ISR_PECERR I2C_ISR_PECERR /*!< PEC Error in reception (SMBus mode) */ +#define LL_I2C_ISR_TIMEOUT I2C_ISR_TIMEOUT /*!< Timeout detection flag (SMBus mode) */ +#define LL_I2C_ISR_ALERT I2C_ISR_ALERT /*!< SMBus alert (SMBus mode) */ +#define LL_I2C_ISR_BUSY I2C_ISR_BUSY /*!< Bus busy */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_IT IT Defines + * @brief IT defines which can be used with LL_I2C_ReadReg and LL_I2C_WriteReg functions + * @{ + */ +#define LL_I2C_CR1_TXIE I2C_CR1_TXIE /*!< TX Interrupt enable */ +#define LL_I2C_CR1_RXIE I2C_CR1_RXIE /*!< RX Interrupt enable */ +#define LL_I2C_CR1_ADDRIE I2C_CR1_ADDRIE /*!< Address match Interrupt enable (slave only) */ +#define LL_I2C_CR1_NACKIE I2C_CR1_NACKIE /*!< Not acknowledge received Interrupt enable */ +#define LL_I2C_CR1_STOPIE I2C_CR1_STOPIE /*!< STOP detection Interrupt enable */ +#define LL_I2C_CR1_TCIE I2C_CR1_TCIE /*!< Transfer Complete interrupt enable */ +#define LL_I2C_CR1_ERRIE I2C_CR1_ERRIE /*!< Error interrupts enable */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_PERIPHERAL_MODE Peripheral Mode + * @{ + */ +#define LL_I2C_MODE_I2C 0x00000000U /*!< I2C Master or Slave mode */ +#define LL_I2C_MODE_SMBUS_HOST I2C_CR1_SMBHEN /*!< SMBus Host address acknowledge */ +#define LL_I2C_MODE_SMBUS_DEVICE 0x00000000U /*!< SMBus Device default mode + (Default address not acknowledge) */ +#define LL_I2C_MODE_SMBUS_DEVICE_ARP I2C_CR1_SMBDEN /*!< SMBus Device Default address acknowledge */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_ANALOGFILTER_SELECTION Analog Filter Selection + * @{ + */ +#define LL_I2C_ANALOGFILTER_ENABLE 0x00000000U /*!< Analog filter is enabled. */ +#define LL_I2C_ANALOGFILTER_DISABLE I2C_CR1_ANFOFF /*!< Analog filter is disabled. */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_ADDRESSING_MODE Master Addressing Mode + * @{ + */ +#define LL_I2C_ADDRESSING_MODE_7BIT 0x00000000U /*!< Master operates in 7-bit addressing mode. */ +#define LL_I2C_ADDRESSING_MODE_10BIT I2C_CR2_ADD10 /*!< Master operates in 10-bit addressing mode.*/ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_OWNADDRESS1 Own Address 1 Length + * @{ + */ +#define LL_I2C_OWNADDRESS1_7BIT 0x00000000U /*!< Own address 1 is a 7-bit address. */ +#define LL_I2C_OWNADDRESS1_10BIT I2C_OAR1_OA1MODE /*!< Own address 1 is a 10-bit address.*/ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_OWNADDRESS2 Own Address 2 Masks + * @{ + */ +#define LL_I2C_OWNADDRESS2_NOMASK I2C_OAR2_OA2NOMASK /*!< Own Address2 No mask. */ +#define LL_I2C_OWNADDRESS2_MASK01 I2C_OAR2_OA2MASK01 /*!< Only Address2 bits[7:2] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK02 I2C_OAR2_OA2MASK02 /*!< Only Address2 bits[7:3] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK03 I2C_OAR2_OA2MASK03 /*!< Only Address2 bits[7:4] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK04 I2C_OAR2_OA2MASK04 /*!< Only Address2 bits[7:5] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK05 I2C_OAR2_OA2MASK05 /*!< Only Address2 bits[7:6] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK06 I2C_OAR2_OA2MASK06 /*!< Only Address2 bits[7] are compared. */ +#define LL_I2C_OWNADDRESS2_MASK07 I2C_OAR2_OA2MASK07 /*!< No comparison is done. + All Address2 are acknowledged. */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_I2C_ACKNOWLEDGE Acknowledge Generation + * @{ + */ +#define LL_I2C_ACK 0x00000000U /*!< ACK is sent after current received byte. */ +#define LL_I2C_NACK I2C_CR2_NACK /*!< NACK is sent after current received byte.*/ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_ADDRSLAVE Slave Address Length + * @{ + */ +#define LL_I2C_ADDRSLAVE_7BIT 0x00000000U /*!< Slave Address in 7-bit. */ +#define LL_I2C_ADDRSLAVE_10BIT I2C_CR2_ADD10 /*!< Slave Address in 10-bit.*/ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_REQUEST Transfer Request Direction + * @{ + */ +#define LL_I2C_REQUEST_WRITE 0x00000000U /*!< Master request a write transfer. */ +#define LL_I2C_REQUEST_READ I2C_CR2_RD_WRN /*!< Master request a read transfer. */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_MODE Transfer End Mode + * @{ + */ +#define LL_I2C_MODE_RELOAD I2C_CR2_RELOAD /*!< Enable I2C Reload mode. */ +#define LL_I2C_MODE_AUTOEND I2C_CR2_AUTOEND /*!< Enable I2C Automatic end mode + with no HW PEC comparison. */ +#define LL_I2C_MODE_SOFTEND 0x00000000U /*!< Enable I2C Software end mode + with no HW PEC comparison. */ +#define LL_I2C_MODE_SMBUS_RELOAD LL_I2C_MODE_RELOAD /*!< Enable SMBUS Automatic end mode + with HW PEC comparison. */ +#define LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC LL_I2C_MODE_AUTOEND /*!< Enable SMBUS Automatic end mode + with HW PEC comparison. */ +#define LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC LL_I2C_MODE_SOFTEND /*!< Enable SMBUS Software end mode + with HW PEC comparison. */ +#define LL_I2C_MODE_SMBUS_AUTOEND_WITH_PEC (uint32_t)(LL_I2C_MODE_AUTOEND | I2C_CR2_PECBYTE) +/*!< Enable SMBUS Automatic end mode with HW PEC comparison. */ +#define LL_I2C_MODE_SMBUS_SOFTEND_WITH_PEC (uint32_t)(LL_I2C_MODE_SOFTEND | I2C_CR2_PECBYTE) +/*!< Enable SMBUS Software end mode with HW PEC comparison. */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_GENERATE Start And Stop Generation + * @{ + */ +#define LL_I2C_GENERATE_NOSTARTSTOP 0x00000000U +/*!< Don't Generate Stop and Start condition. */ +#define LL_I2C_GENERATE_STOP (uint32_t)(0x80000000U | I2C_CR2_STOP) +/*!< Generate Stop condition (Size should be set to 0). */ +#define LL_I2C_GENERATE_START_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN) +/*!< Generate Start for read request. */ +#define LL_I2C_GENERATE_START_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) +/*!< Generate Start for write request. */ +#define LL_I2C_GENERATE_RESTART_7BIT_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN) +/*!< Generate Restart for read request, slave 7Bit address. */ +#define LL_I2C_GENERATE_RESTART_7BIT_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) +/*!< Generate Restart for write request, slave 7Bit address. */ +#define LL_I2C_GENERATE_RESTART_10BIT_READ (uint32_t)(0x80000000U | I2C_CR2_START | \ + I2C_CR2_RD_WRN | I2C_CR2_HEAD10R) +/*!< Generate Restart for read request, slave 10Bit address. */ +#define LL_I2C_GENERATE_RESTART_10BIT_WRITE (uint32_t)(0x80000000U | I2C_CR2_START) +/*!< Generate Restart for write request, slave 10Bit address.*/ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_DIRECTION Read Write Direction + * @{ + */ +#define LL_I2C_DIRECTION_WRITE 0x00000000U /*!< Write transfer request by master, + slave enters receiver mode. */ +#define LL_I2C_DIRECTION_READ I2C_ISR_DIR /*!< Read transfer request by master, + slave enters transmitter mode.*/ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_DMA_REG_DATA DMA Register Data + * @{ + */ +#define LL_I2C_DMA_REG_DATA_TRANSMIT 0x00000000U /*!< Get address of data register used for + transmission */ +#define LL_I2C_DMA_REG_DATA_RECEIVE 0x00000001U /*!< Get address of data register used for + reception */ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_SMBUS_TIMEOUTA_MODE SMBus TimeoutA Mode SCL SDA Timeout + * @{ + */ +#define LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW 0x00000000U /*!< TimeoutA is used to detect + SCL low level timeout. */ +#define LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH I2C_TIMEOUTR_TIDLE /*!< TimeoutA is used to detect + both SCL and SDA high level timeout.*/ +/** + * @} + */ + +/** @defgroup I2C_LL_EC_SMBUS_TIMEOUT_SELECTION SMBus Timeout Selection + * @{ + */ +#define LL_I2C_SMBUS_TIMEOUTA I2C_TIMEOUTR_TIMOUTEN /*!< TimeoutA enable bit */ +#define LL_I2C_SMBUS_TIMEOUTB I2C_TIMEOUTR_TEXTEN /*!< TimeoutB (extended clock) + enable bit */ +#define LL_I2C_SMBUS_ALL_TIMEOUT (uint32_t)(I2C_TIMEOUTR_TIMOUTEN | \ + I2C_TIMEOUTR_TEXTEN) /*!< TimeoutA and TimeoutB +(extended clock) enable bits */ +/** + * @} + */ + +/** + * @} + */ + +/* Exported macro ------------------------------------------------------------*/ +/** @defgroup I2C_LL_Exported_Macros I2C Exported Macros + * @{ + */ + +/** @defgroup I2C_LL_EM_WRITE_READ Common Write and read registers Macros + * @{ + */ + +/** + * @brief Write a value in I2C register + * @param __INSTANCE__ I2C Instance + * @param __REG__ Register to be written + * @param __VALUE__ Value to be written in the register + * @retval None + */ +#define LL_I2C_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) + +/** + * @brief Read a value in I2C register + * @param __INSTANCE__ I2C Instance + * @param __REG__ Register to be read + * @retval Register value + */ +#define LL_I2C_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) +/** + * @} + */ + +/** @defgroup I2C_LL_EM_CONVERT_TIMINGS Convert SDA SCL timings + * @{ + */ +/** + * @brief Configure the SDA setup, hold time and the SCL high, low period. + * @param __PRESCALER__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. + * @param __SETUP_TIME__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. + (tscldel = (SCLDEL+1)xtpresc) + * @param __HOLD_TIME__ This parameter must be a value between Min_Data=0 and Max_Data=0xF. + (tsdadel = SDADELxtpresc) + * @param __SCLH_PERIOD__ This parameter must be a value between Min_Data=0 and Max_Data=0xFF. + (tsclh = (SCLH+1)xtpresc) + * @param __SCLL_PERIOD__ This parameter must be a value between Min_Data=0 and Max_Data=0xFF. + (tscll = (SCLL+1)xtpresc) + * @retval Value between Min_Data=0 and Max_Data=0xFFFFFFFF + */ +#define __LL_I2C_CONVERT_TIMINGS(__PRESCALER__, __SETUP_TIME__, __HOLD_TIME__, __SCLH_PERIOD__, __SCLL_PERIOD__) \ + ((((uint32_t)(__PRESCALER__) << I2C_TIMINGR_PRESC_Pos) & I2C_TIMINGR_PRESC) | \ + (((uint32_t)(__SETUP_TIME__) << I2C_TIMINGR_SCLDEL_Pos) & I2C_TIMINGR_SCLDEL) | \ + (((uint32_t)(__HOLD_TIME__) << I2C_TIMINGR_SDADEL_Pos) & I2C_TIMINGR_SDADEL) | \ + (((uint32_t)(__SCLH_PERIOD__) << I2C_TIMINGR_SCLH_Pos) & I2C_TIMINGR_SCLH) | \ + (((uint32_t)(__SCLL_PERIOD__) << I2C_TIMINGR_SCLL_Pos) & I2C_TIMINGR_SCLL)) +/** + * @} + */ + +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ +/** @defgroup I2C_LL_Exported_Functions I2C Exported Functions + * @{ + */ + +/** @defgroup I2C_LL_EF_Configuration Configuration + * @{ + */ + +/** + * @brief Enable I2C peripheral (PE = 1). + * @rmtoll CR1 PE LL_I2C_Enable + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_Enable(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_PE); +} + +/** + * @brief Disable I2C peripheral (PE = 0). + * @note When PE = 0, the I2C SCL and SDA lines are released. + * Internal state machines and status bits are put back to their reset value. + * When cleared, PE must be kept low for at least 3 APB clock cycles. + * @rmtoll CR1 PE LL_I2C_Disable + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_Disable(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_PE); +} + +/** + * @brief Check if the I2C peripheral is enabled or disabled. + * @rmtoll CR1 PE LL_I2C_IsEnabled + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabled(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_PE) == (I2C_CR1_PE)) ? 1UL : 0UL); +} + +/** + * @brief Configure Noise Filters (Analog and Digital). + * @note If the analog filter is also enabled, the digital filter is added to analog filter. + * The filters can only be programmed when the I2C is disabled (PE = 0). + * @rmtoll CR1 ANFOFF LL_I2C_ConfigFilters\n + * CR1 DNF LL_I2C_ConfigFilters + * @param I2Cx I2C Instance. + * @param AnalogFilter This parameter can be one of the following values: + * @arg @ref LL_I2C_ANALOGFILTER_ENABLE + * @arg @ref LL_I2C_ANALOGFILTER_DISABLE + * @param DigitalFilter This parameter must be a value between Min_Data=0x00 (Digital filter disabled) + and Max_Data=0x0F (Digital filter enabled and filtering capability up to 15*ti2cclk). + * This parameter is used to configure the digital noise filter on SDA and SCL input. + * The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ConfigFilters(I2C_TypeDef *I2Cx, uint32_t AnalogFilter, uint32_t DigitalFilter) +{ + MODIFY_REG(I2Cx->CR1, I2C_CR1_ANFOFF | I2C_CR1_DNF, AnalogFilter | (DigitalFilter << I2C_CR1_DNF_Pos)); +} + +/** + * @brief Configure Digital Noise Filter. + * @note If the analog filter is also enabled, the digital filter is added to analog filter. + * This filter can only be programmed when the I2C is disabled (PE = 0). + * @rmtoll CR1 DNF LL_I2C_SetDigitalFilter + * @param I2Cx I2C Instance. + * @param DigitalFilter This parameter must be a value between Min_Data=0x00 (Digital filter disabled) + and Max_Data=0x0F (Digital filter enabled and filtering capability up to 15*ti2cclk). + * This parameter is used to configure the digital noise filter on SDA and SCL input. + * The digital filter will filter spikes with a length of up to DNF[3:0]*ti2cclk. + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetDigitalFilter(I2C_TypeDef *I2Cx, uint32_t DigitalFilter) +{ + MODIFY_REG(I2Cx->CR1, I2C_CR1_DNF, DigitalFilter << I2C_CR1_DNF_Pos); +} + +/** + * @brief Get the current Digital Noise Filter configuration. + * @rmtoll CR1 DNF LL_I2C_GetDigitalFilter + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x0 and Max_Data=0xF + */ +__STATIC_INLINE uint32_t LL_I2C_GetDigitalFilter(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_DNF) >> I2C_CR1_DNF_Pos); +} + +/** + * @brief Enable Analog Noise Filter. + * @note This filter can only be programmed when the I2C is disabled (PE = 0). + * @rmtoll CR1 ANFOFF LL_I2C_EnableAnalogFilter + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableAnalogFilter(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_ANFOFF); +} + +/** + * @brief Disable Analog Noise Filter. + * @note This filter can only be programmed when the I2C is disabled (PE = 0). + * @rmtoll CR1 ANFOFF LL_I2C_DisableAnalogFilter + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableAnalogFilter(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_ANFOFF); +} + +/** + * @brief Check if Analog Noise Filter is enabled or disabled. + * @rmtoll CR1 ANFOFF LL_I2C_IsEnabledAnalogFilter + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledAnalogFilter(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_ANFOFF) != (I2C_CR1_ANFOFF)) ? 1UL : 0UL); +} + +/** + * @brief Enable DMA transmission requests. + * @rmtoll CR1 TXDMAEN LL_I2C_EnableDMAReq_TX + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableDMAReq_TX(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN); +} + +/** + * @brief Disable DMA transmission requests. + * @rmtoll CR1 TXDMAEN LL_I2C_DisableDMAReq_TX + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableDMAReq_TX(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN); +} + +/** + * @brief Check if DMA transmission requests are enabled or disabled. + * @rmtoll CR1 TXDMAEN LL_I2C_IsEnabledDMAReq_TX + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_TX(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_TXDMAEN) == (I2C_CR1_TXDMAEN)) ? 1UL : 0UL); +} + +/** + * @brief Enable DMA reception requests. + * @rmtoll CR1 RXDMAEN LL_I2C_EnableDMAReq_RX + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableDMAReq_RX(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN); +} + +/** + * @brief Disable DMA reception requests. + * @rmtoll CR1 RXDMAEN LL_I2C_DisableDMAReq_RX + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableDMAReq_RX(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN); +} + +/** + * @brief Check if DMA reception requests are enabled or disabled. + * @rmtoll CR1 RXDMAEN LL_I2C_IsEnabledDMAReq_RX + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledDMAReq_RX(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_RXDMAEN) == (I2C_CR1_RXDMAEN)) ? 1UL : 0UL); +} + +/** + * @brief Get the data register address used for DMA transfer + * @rmtoll TXDR TXDATA LL_I2C_DMA_GetRegAddr\n + * RXDR RXDATA LL_I2C_DMA_GetRegAddr + * @param I2Cx I2C Instance + * @param Direction This parameter can be one of the following values: + * @arg @ref LL_I2C_DMA_REG_DATA_TRANSMIT + * @arg @ref LL_I2C_DMA_REG_DATA_RECEIVE + * @retval Address of data register + */ +__STATIC_INLINE uint32_t LL_I2C_DMA_GetRegAddr(const I2C_TypeDef *I2Cx, uint32_t Direction) +{ + uint32_t data_reg_addr; + + if (Direction == LL_I2C_DMA_REG_DATA_TRANSMIT) + { + /* return address of TXDR register */ + data_reg_addr = (uint32_t) &(I2Cx->TXDR); + } + else + { + /* return address of RXDR register */ + data_reg_addr = (uint32_t) &(I2Cx->RXDR); + } + + return data_reg_addr; +} + +/** + * @brief Enable Clock stretching. + * @note This bit can only be programmed when the I2C is disabled (PE = 0). + * @rmtoll CR1 NOSTRETCH LL_I2C_EnableClockStretching + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableClockStretching(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH); +} + +/** + * @brief Disable Clock stretching. + * @note This bit can only be programmed when the I2C is disabled (PE = 0). + * @rmtoll CR1 NOSTRETCH LL_I2C_DisableClockStretching + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableClockStretching(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH); +} + +/** + * @brief Check if Clock stretching is enabled or disabled. + * @rmtoll CR1 NOSTRETCH LL_I2C_IsEnabledClockStretching + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledClockStretching(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_NOSTRETCH) != (I2C_CR1_NOSTRETCH)) ? 1UL : 0UL); +} + +/** + * @brief Enable hardware byte control in slave mode. + * @rmtoll CR1 SBC LL_I2C_EnableSlaveByteControl + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableSlaveByteControl(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_SBC); +} + +/** + * @brief Disable hardware byte control in slave mode. + * @rmtoll CR1 SBC LL_I2C_DisableSlaveByteControl + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableSlaveByteControl(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_SBC); +} + +/** + * @brief Check if hardware byte control in slave mode is enabled or disabled. + * @rmtoll CR1 SBC LL_I2C_IsEnabledSlaveByteControl + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSlaveByteControl(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_SBC) == (I2C_CR1_SBC)) ? 1UL : 0UL); +} + +/** + * @brief Enable Wakeup from STOP. + * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not + * WakeUpFromStop feature is supported by the I2Cx Instance. + * @note This bit can only be programmed when Digital Filter is disabled. + * @rmtoll CR1 WUPEN LL_I2C_EnableWakeUpFromStop + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableWakeUpFromStop(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_WUPEN); +} + +/** + * @brief Disable Wakeup from STOP. + * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not + * WakeUpFromStop feature is supported by the I2Cx Instance. + * @rmtoll CR1 WUPEN LL_I2C_DisableWakeUpFromStop + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableWakeUpFromStop(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_WUPEN); +} + +/** + * @brief Check if Wakeup from STOP is enabled or disabled. + * @note The macro IS_I2C_WAKEUP_FROMSTOP_INSTANCE(I2Cx) can be used to check whether or not + * WakeUpFromStop feature is supported by the I2Cx Instance. + * @rmtoll CR1 WUPEN LL_I2C_IsEnabledWakeUpFromStop + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledWakeUpFromStop(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_WUPEN) == (I2C_CR1_WUPEN)) ? 1UL : 0UL); +} + +/** + * @brief Enable General Call. + * @note When enabled the Address 0x00 is ACKed. + * @rmtoll CR1 GCEN LL_I2C_EnableGeneralCall + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableGeneralCall(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_GCEN); +} + +/** + * @brief Disable General Call. + * @note When disabled the Address 0x00 is NACKed. + * @rmtoll CR1 GCEN LL_I2C_DisableGeneralCall + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableGeneralCall(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_GCEN); +} + +/** + * @brief Check if General Call is enabled or disabled. + * @rmtoll CR1 GCEN LL_I2C_IsEnabledGeneralCall + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledGeneralCall(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_GCEN) == (I2C_CR1_GCEN)) ? 1UL : 0UL); +} + +/** + * @brief Enable I2C Fast Mode Plus (FMP = 1). + * @note 20mA I/O drive enable + * @rmtoll CR1 FMP LL_I2C_EnableFastModePlus + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableFastModePlus(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_FMP); +} + +/** + * @brief Disable I2C Fast Mode Plus (FMP = 0). + * @note 20mA I/O drive disable + * @rmtoll CR1 FMP LL_I2C_DisableFastModePlus + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableFastModePlus(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_FMP); +} + +/** + * @brief Check if the I2C Fast Mode Plus is enabled or disabled. + * @rmtoll CR1 FMP LL_I2C_IsEnabledFastModePlus + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledFastModePlus(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_FMP) == (I2C_CR1_FMP)) ? 1UL : 0UL); +} + +/** + * @brief Enable automatic clear of ADDR flag. + * @rmtoll CR1 ADDRACLR LL_I2C_EnableAutoClearFlag_ADDR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableAutoClearFlag_ADDR(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_ADDRACLR); +} + +/** + * @brief Disable automatic clear of ADDR flag. + * @rmtoll CR1 ADDRACLR LL_I2C_DisableAutoClearFlag_ADDR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableAutoClearFlag_ADDR(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_ADDRACLR); +} + +/** + * @brief Check if the automatic clear of ADDR flag is enabled or disabled. + * @rmtoll CR1 ADDRACLR LL_I2C_IsEnabledAutoClearFlag_ADDR + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledAutoClearFlag_ADDR(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_ADDRACLR) == (I2C_CR1_ADDRACLR)) ? 1UL : 0UL); +} + +/** + * @brief Enable automatic clear of STOP flag. + * @rmtoll CR1 STOPFACLR LL_I2C_EnableAutoClearFlag_STOP + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableAutoClearFlag_STOP(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_STOPFACLR); +} + +/** + * @brief Disable automatic clear of STOP flag. + * @rmtoll CR1 STOPFACLR LL_I2C_DisableAutoClearFlag_STOP + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableAutoClearFlag_STOP(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_STOPFACLR); +} + +/** + * @brief Check if the automatic clear of STOP flag is enabled or disabled. + * @rmtoll CR1 STOPFACLR LL_I2C_IsEnabledAutoClearFlag_STOP + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledAutoClearFlag_STOP(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_STOPFACLR) == (I2C_CR1_STOPFACLR)) ? 1UL : 0UL); +} + +/** + * @brief Configure the Master to operate in 7-bit or 10-bit addressing mode. + * @note Changing this bit is not allowed, when the START bit is set. + * @rmtoll CR2 ADD10 LL_I2C_SetMasterAddressingMode + * @param I2Cx I2C Instance. + * @param AddressingMode This parameter can be one of the following values: + * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT + * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetMasterAddressingMode(I2C_TypeDef *I2Cx, uint32_t AddressingMode) +{ + MODIFY_REG(I2Cx->CR2, I2C_CR2_ADD10, AddressingMode); +} + +/** + * @brief Get the Master addressing mode. + * @rmtoll CR2 ADD10 LL_I2C_GetMasterAddressingMode + * @param I2Cx I2C Instance. + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2C_ADDRESSING_MODE_7BIT + * @arg @ref LL_I2C_ADDRESSING_MODE_10BIT + */ +__STATIC_INLINE uint32_t LL_I2C_GetMasterAddressingMode(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_ADD10)); +} + +/** + * @brief Set the Own Address1. + * @rmtoll OAR1 OA1 LL_I2C_SetOwnAddress1\n + * OAR1 OA1MODE LL_I2C_SetOwnAddress1 + * @param I2Cx I2C Instance. + * @param OwnAddress1 This parameter must be a value between Min_Data=0 and Max_Data=0x3FF. + * @param OwnAddrSize This parameter can be one of the following values: + * @arg @ref LL_I2C_OWNADDRESS1_7BIT + * @arg @ref LL_I2C_OWNADDRESS1_10BIT + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetOwnAddress1(I2C_TypeDef *I2Cx, uint32_t OwnAddress1, uint32_t OwnAddrSize) +{ + MODIFY_REG(I2Cx->OAR1, I2C_OAR1_OA1 | I2C_OAR1_OA1MODE, OwnAddress1 | OwnAddrSize); +} + +/** + * @brief Enable acknowledge on Own Address1 match address. + * @rmtoll OAR1 OA1EN LL_I2C_EnableOwnAddress1 + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableOwnAddress1(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN); +} + +/** + * @brief Disable acknowledge on Own Address1 match address. + * @rmtoll OAR1 OA1EN LL_I2C_DisableOwnAddress1 + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableOwnAddress1(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN); +} + +/** + * @brief Check if Own Address1 acknowledge is enabled or disabled. + * @rmtoll OAR1 OA1EN LL_I2C_IsEnabledOwnAddress1 + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress1(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->OAR1, I2C_OAR1_OA1EN) == (I2C_OAR1_OA1EN)) ? 1UL : 0UL); +} + +/** + * @brief Set the 7bits Own Address2. + * @note This action has no effect if own address2 is enabled. + * @rmtoll OAR2 OA2 LL_I2C_SetOwnAddress2\n + * OAR2 OA2MSK LL_I2C_SetOwnAddress2 + * @param I2Cx I2C Instance. + * @param OwnAddress2 Value between Min_Data=0 and Max_Data=0x7F. + * @param OwnAddrMask This parameter can be one of the following values: + * @arg @ref LL_I2C_OWNADDRESS2_NOMASK + * @arg @ref LL_I2C_OWNADDRESS2_MASK01 + * @arg @ref LL_I2C_OWNADDRESS2_MASK02 + * @arg @ref LL_I2C_OWNADDRESS2_MASK03 + * @arg @ref LL_I2C_OWNADDRESS2_MASK04 + * @arg @ref LL_I2C_OWNADDRESS2_MASK05 + * @arg @ref LL_I2C_OWNADDRESS2_MASK06 + * @arg @ref LL_I2C_OWNADDRESS2_MASK07 + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetOwnAddress2(I2C_TypeDef *I2Cx, uint32_t OwnAddress2, uint32_t OwnAddrMask) +{ + MODIFY_REG(I2Cx->OAR2, I2C_OAR2_OA2 | I2C_OAR2_OA2MSK, OwnAddress2 | OwnAddrMask); +} + +/** + * @brief Enable acknowledge on Own Address2 match address. + * @rmtoll OAR2 OA2EN LL_I2C_EnableOwnAddress2 + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableOwnAddress2(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN); +} + +/** + * @brief Disable acknowledge on Own Address2 match address. + * @rmtoll OAR2 OA2EN LL_I2C_DisableOwnAddress2 + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableOwnAddress2(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN); +} + +/** + * @brief Check if Own Address1 acknowledge is enabled or disabled. + * @rmtoll OAR2 OA2EN LL_I2C_IsEnabledOwnAddress2 + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledOwnAddress2(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->OAR2, I2C_OAR2_OA2EN) == (I2C_OAR2_OA2EN)) ? 1UL : 0UL); +} + +/** + * @brief Configure the SDA setup, hold time and the SCL high, low period. + * @note This bit can only be programmed when the I2C is disabled (PE = 0). + * @rmtoll TIMINGR TIMINGR LL_I2C_SetTiming + * @param I2Cx I2C Instance. + * @param Timing This parameter must be a value between Min_Data=0 and Max_Data=0xFFFFFFFF. + * @note This parameter is computed with the STM32CubeMX Tool. + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetTiming(I2C_TypeDef *I2Cx, uint32_t Timing) +{ + WRITE_REG(I2Cx->TIMINGR, Timing); +} + +/** + * @brief Get the Timing Prescaler setting. + * @rmtoll TIMINGR PRESC LL_I2C_GetTimingPrescaler + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x0 and Max_Data=0xF + */ +__STATIC_INLINE uint32_t LL_I2C_GetTimingPrescaler(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_PRESC) >> I2C_TIMINGR_PRESC_Pos); +} + +/** + * @brief Get the SCL low period setting. + * @rmtoll TIMINGR SCLL LL_I2C_GetClockLowPeriod + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x00 and Max_Data=0xFF + */ +__STATIC_INLINE uint32_t LL_I2C_GetClockLowPeriod(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLL) >> I2C_TIMINGR_SCLL_Pos); +} + +/** + * @brief Get the SCL high period setting. + * @rmtoll TIMINGR SCLH LL_I2C_GetClockHighPeriod + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x00 and Max_Data=0xFF + */ +__STATIC_INLINE uint32_t LL_I2C_GetClockHighPeriod(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLH) >> I2C_TIMINGR_SCLH_Pos); +} + +/** + * @brief Get the SDA hold time. + * @rmtoll TIMINGR SDADEL LL_I2C_GetDataHoldTime + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x0 and Max_Data=0xF + */ +__STATIC_INLINE uint32_t LL_I2C_GetDataHoldTime(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SDADEL) >> I2C_TIMINGR_SDADEL_Pos); +} + +/** + * @brief Get the SDA setup time. + * @rmtoll TIMINGR SCLDEL LL_I2C_GetDataSetupTime + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x0 and Max_Data=0xF + */ +__STATIC_INLINE uint32_t LL_I2C_GetDataSetupTime(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->TIMINGR, I2C_TIMINGR_SCLDEL) >> I2C_TIMINGR_SCLDEL_Pos); +} + +/** + * @brief Configure peripheral mode. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll CR1 SMBHEN LL_I2C_SetMode\n + * CR1 SMBDEN LL_I2C_SetMode + * @param I2Cx I2C Instance. + * @param PeripheralMode This parameter can be one of the following values: + * @arg @ref LL_I2C_MODE_I2C + * @arg @ref LL_I2C_MODE_SMBUS_HOST + * @arg @ref LL_I2C_MODE_SMBUS_DEVICE + * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetMode(I2C_TypeDef *I2Cx, uint32_t PeripheralMode) +{ + MODIFY_REG(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN, PeripheralMode); +} + +/** + * @brief Get peripheral mode. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll CR1 SMBHEN LL_I2C_GetMode\n + * CR1 SMBDEN LL_I2C_GetMode + * @param I2Cx I2C Instance. + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2C_MODE_I2C + * @arg @ref LL_I2C_MODE_SMBUS_HOST + * @arg @ref LL_I2C_MODE_SMBUS_DEVICE + * @arg @ref LL_I2C_MODE_SMBUS_DEVICE_ARP + */ +__STATIC_INLINE uint32_t LL_I2C_GetMode(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->CR1, I2C_CR1_SMBHEN | I2C_CR1_SMBDEN)); +} + +/** + * @brief Enable SMBus alert (Host or Device mode) + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note SMBus Device mode: + * - SMBus Alert pin is drived low and + * Alert Response Address Header acknowledge is enabled. + * SMBus Host mode: + * - SMBus Alert pin management is supported. + * @rmtoll CR1 ALERTEN LL_I2C_EnableSMBusAlert + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableSMBusAlert(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_ALERTEN); +} + +/** + * @brief Disable SMBus alert (Host or Device mode) + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note SMBus Device mode: + * - SMBus Alert pin is not drived (can be used as a standard GPIO) and + * Alert Response Address Header acknowledge is disabled. + * SMBus Host mode: + * - SMBus Alert pin management is not supported. + * @rmtoll CR1 ALERTEN LL_I2C_DisableSMBusAlert + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableSMBusAlert(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_ALERTEN); +} + +/** + * @brief Check if SMBus alert (Host or Device mode) is enabled or disabled. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll CR1 ALERTEN LL_I2C_IsEnabledSMBusAlert + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusAlert(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_ALERTEN) == (I2C_CR1_ALERTEN)) ? 1UL : 0UL); +} + +/** + * @brief Enable SMBus Packet Error Calculation (PEC). + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll CR1 PECEN LL_I2C_EnableSMBusPEC + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableSMBusPEC(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_PECEN); +} + +/** + * @brief Disable SMBus Packet Error Calculation (PEC). + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll CR1 PECEN LL_I2C_DisableSMBusPEC + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableSMBusPEC(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_PECEN); +} + +/** + * @brief Check if SMBus Packet Error Calculation (PEC) is enabled or disabled. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll CR1 PECEN LL_I2C_IsEnabledSMBusPEC + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPEC(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_PECEN) == (I2C_CR1_PECEN)) ? 1UL : 0UL); +} + +/** + * @brief Configure the SMBus Clock Timeout. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note This configuration can only be programmed when associated Timeout is disabled (TimeoutA and/orTimeoutB). + * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_ConfigSMBusTimeout\n + * TIMEOUTR TIDLE LL_I2C_ConfigSMBusTimeout\n + * TIMEOUTR TIMEOUTB LL_I2C_ConfigSMBusTimeout + * @param I2Cx I2C Instance. + * @param TimeoutA This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. + * @param TimeoutAMode This parameter can be one of the following values: + * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW + * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH + * @param TimeoutB + * @retval None + */ +__STATIC_INLINE void LL_I2C_ConfigSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t TimeoutA, uint32_t TimeoutAMode, + uint32_t TimeoutB) +{ + MODIFY_REG(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA | I2C_TIMEOUTR_TIDLE | I2C_TIMEOUTR_TIMEOUTB, + TimeoutA | TimeoutAMode | (TimeoutB << I2C_TIMEOUTR_TIMEOUTB_Pos)); +} + +/** + * @brief Configure the SMBus Clock TimeoutA (SCL low timeout or SCL and SDA high timeout depends on TimeoutA mode). + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note These bits can only be programmed when TimeoutA is disabled. + * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_SetSMBusTimeoutA + * @param I2Cx I2C Instance. + * @param TimeoutA This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetSMBusTimeoutA(I2C_TypeDef *I2Cx, uint32_t TimeoutA) +{ + WRITE_REG(I2Cx->TIMEOUTR, TimeoutA); +} + +/** + * @brief Get the SMBus Clock TimeoutA setting. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll TIMEOUTR TIMEOUTA LL_I2C_GetSMBusTimeoutA + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0 and Max_Data=0xFFF + */ +__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutA(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTA)); +} + +/** + * @brief Set the SMBus Clock TimeoutA mode. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note This bit can only be programmed when TimeoutA is disabled. + * @rmtoll TIMEOUTR TIDLE LL_I2C_SetSMBusTimeoutAMode + * @param I2Cx I2C Instance. + * @param TimeoutAMode This parameter can be one of the following values: + * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW + * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetSMBusTimeoutAMode(I2C_TypeDef *I2Cx, uint32_t TimeoutAMode) +{ + WRITE_REG(I2Cx->TIMEOUTR, TimeoutAMode); +} + +/** + * @brief Get the SMBus Clock TimeoutA mode. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll TIMEOUTR TIDLE LL_I2C_GetSMBusTimeoutAMode + * @param I2Cx I2C Instance. + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SCL_LOW + * @arg @ref LL_I2C_SMBUS_TIMEOUTA_MODE_SDA_SCL_HIGH + */ +__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutAMode(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIDLE)); +} + +/** + * @brief Configure the SMBus Extended Cumulative Clock TimeoutB (Master or Slave mode). + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note These bits can only be programmed when TimeoutB is disabled. + * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_SetSMBusTimeoutB + * @param I2Cx I2C Instance. + * @param TimeoutB This parameter must be a value between Min_Data=0 and Max_Data=0xFFF. + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetSMBusTimeoutB(I2C_TypeDef *I2Cx, uint32_t TimeoutB) +{ + WRITE_REG(I2Cx->TIMEOUTR, TimeoutB << I2C_TIMEOUTR_TIMEOUTB_Pos); +} + +/** + * @brief Get the SMBus Extended Cumulative Clock TimeoutB setting. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll TIMEOUTR TIMEOUTB LL_I2C_GetSMBusTimeoutB + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0 and Max_Data=0xFFF + */ +__STATIC_INLINE uint32_t LL_I2C_GetSMBusTimeoutB(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->TIMEOUTR, I2C_TIMEOUTR_TIMEOUTB) >> I2C_TIMEOUTR_TIMEOUTB_Pos); +} + +/** + * @brief Enable the SMBus Clock Timeout. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_EnableSMBusTimeout\n + * TIMEOUTR TEXTEN LL_I2C_EnableSMBusTimeout + * @param I2Cx I2C Instance. + * @param ClockTimeout This parameter can be one of the following values: + * @arg @ref LL_I2C_SMBUS_TIMEOUTA + * @arg @ref LL_I2C_SMBUS_TIMEOUTB + * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) +{ + SET_BIT(I2Cx->TIMEOUTR, ClockTimeout); +} + +/** + * @brief Disable the SMBus Clock Timeout. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_DisableSMBusTimeout\n + * TIMEOUTR TEXTEN LL_I2C_DisableSMBusTimeout + * @param I2Cx I2C Instance. + * @param ClockTimeout This parameter can be one of the following values: + * @arg @ref LL_I2C_SMBUS_TIMEOUTA + * @arg @ref LL_I2C_SMBUS_TIMEOUTB + * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableSMBusTimeout(I2C_TypeDef *I2Cx, uint32_t ClockTimeout) +{ + CLEAR_BIT(I2Cx->TIMEOUTR, ClockTimeout); +} + +/** + * @brief Check if the SMBus Clock Timeout is enabled or disabled. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll TIMEOUTR TIMOUTEN LL_I2C_IsEnabledSMBusTimeout\n + * TIMEOUTR TEXTEN LL_I2C_IsEnabledSMBusTimeout + * @param I2Cx I2C Instance. + * @param ClockTimeout This parameter can be one of the following values: + * @arg @ref LL_I2C_SMBUS_TIMEOUTA + * @arg @ref LL_I2C_SMBUS_TIMEOUTB + * @arg @ref LL_I2C_SMBUS_ALL_TIMEOUT + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusTimeout(const I2C_TypeDef *I2Cx, uint32_t ClockTimeout) +{ + return ((READ_BIT(I2Cx->TIMEOUTR, (I2C_TIMEOUTR_TIMOUTEN | I2C_TIMEOUTR_TEXTEN)) == \ + (ClockTimeout)) ? 1UL : 0UL); +} + +/** + * @} + */ + +/** @defgroup I2C_LL_EF_IT_Management IT_Management + * @{ + */ + +/** + * @brief Enable TXIS interrupt. + * @rmtoll CR1 TXIE LL_I2C_EnableIT_TX + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableIT_TX(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_TXIE); +} + +/** + * @brief Disable TXIS interrupt. + * @rmtoll CR1 TXIE LL_I2C_DisableIT_TX + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableIT_TX(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_TXIE); +} + +/** + * @brief Check if the TXIS Interrupt is enabled or disabled. + * @rmtoll CR1 TXIE LL_I2C_IsEnabledIT_TX + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TX(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_TXIE) == (I2C_CR1_TXIE)) ? 1UL : 0UL); +} + +/** + * @brief Enable RXNE interrupt. + * @rmtoll CR1 RXIE LL_I2C_EnableIT_RX + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableIT_RX(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_RXIE); +} + +/** + * @brief Disable RXNE interrupt. + * @rmtoll CR1 RXIE LL_I2C_DisableIT_RX + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableIT_RX(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_RXIE); +} + +/** + * @brief Check if the RXNE Interrupt is enabled or disabled. + * @rmtoll CR1 RXIE LL_I2C_IsEnabledIT_RX + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_RX(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_RXIE) == (I2C_CR1_RXIE)) ? 1UL : 0UL); +} + +/** + * @brief Enable Address match interrupt (slave mode only). + * @rmtoll CR1 ADDRIE LL_I2C_EnableIT_ADDR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableIT_ADDR(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_ADDRIE); +} + +/** + * @brief Disable Address match interrupt (slave mode only). + * @rmtoll CR1 ADDRIE LL_I2C_DisableIT_ADDR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableIT_ADDR(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_ADDRIE); +} + +/** + * @brief Check if Address match interrupt is enabled or disabled. + * @rmtoll CR1 ADDRIE LL_I2C_IsEnabledIT_ADDR + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ADDR(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_ADDRIE) == (I2C_CR1_ADDRIE)) ? 1UL : 0UL); +} + +/** + * @brief Enable Not acknowledge received interrupt. + * @rmtoll CR1 NACKIE LL_I2C_EnableIT_NACK + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableIT_NACK(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_NACKIE); +} + +/** + * @brief Disable Not acknowledge received interrupt. + * @rmtoll CR1 NACKIE LL_I2C_DisableIT_NACK + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableIT_NACK(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_NACKIE); +} + +/** + * @brief Check if Not acknowledge received interrupt is enabled or disabled. + * @rmtoll CR1 NACKIE LL_I2C_IsEnabledIT_NACK + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_NACK(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_NACKIE) == (I2C_CR1_NACKIE)) ? 1UL : 0UL); +} + +/** + * @brief Enable STOP detection interrupt. + * @rmtoll CR1 STOPIE LL_I2C_EnableIT_STOP + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableIT_STOP(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_STOPIE); +} + +/** + * @brief Disable STOP detection interrupt. + * @rmtoll CR1 STOPIE LL_I2C_DisableIT_STOP + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableIT_STOP(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_STOPIE); +} + +/** + * @brief Check if STOP detection interrupt is enabled or disabled. + * @rmtoll CR1 STOPIE LL_I2C_IsEnabledIT_STOP + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_STOP(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_STOPIE) == (I2C_CR1_STOPIE)) ? 1UL : 0UL); +} + +/** + * @brief Enable Transfer Complete interrupt. + * @note Any of these events will generate interrupt : + * Transfer Complete (TC) + * Transfer Complete Reload (TCR) + * @rmtoll CR1 TCIE LL_I2C_EnableIT_TC + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableIT_TC(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_TCIE); +} + +/** + * @brief Disable Transfer Complete interrupt. + * @note Any of these events will generate interrupt : + * Transfer Complete (TC) + * Transfer Complete Reload (TCR) + * @rmtoll CR1 TCIE LL_I2C_DisableIT_TC + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableIT_TC(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_TCIE); +} + +/** + * @brief Check if Transfer Complete interrupt is enabled or disabled. + * @rmtoll CR1 TCIE LL_I2C_IsEnabledIT_TC + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_TC(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_TCIE) == (I2C_CR1_TCIE)) ? 1UL : 0UL); +} + +/** + * @brief Enable Error interrupts. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note Any of these errors will generate interrupt : + * Arbitration Loss (ARLO) + * Bus Error detection (BERR) + * Overrun/Underrun (OVR) + * SMBus Timeout detection (TIMEOUT) + * SMBus PEC error detection (PECERR) + * SMBus Alert pin event detection (ALERT) + * @rmtoll CR1 ERRIE LL_I2C_EnableIT_ERR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableIT_ERR(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR1, I2C_CR1_ERRIE); +} + +/** + * @brief Disable Error interrupts. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note Any of these errors will generate interrupt : + * Arbitration Loss (ARLO) + * Bus Error detection (BERR) + * Overrun/Underrun (OVR) + * SMBus Timeout detection (TIMEOUT) + * SMBus PEC error detection (PECERR) + * SMBus Alert pin event detection (ALERT) + * @rmtoll CR1 ERRIE LL_I2C_DisableIT_ERR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableIT_ERR(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR1, I2C_CR1_ERRIE); +} + +/** + * @brief Check if Error interrupts are enabled or disabled. + * @rmtoll CR1 ERRIE LL_I2C_IsEnabledIT_ERR + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledIT_ERR(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR1, I2C_CR1_ERRIE) == (I2C_CR1_ERRIE)) ? 1UL : 0UL); +} + +/** + * @} + */ + +/** @defgroup I2C_LL_EF_FLAG_management FLAG_management + * @{ + */ + +/** + * @brief Indicate the status of Transmit data register empty flag. + * @note RESET: When next data is written in Transmit data register. + * SET: When Transmit data register is empty. + * @rmtoll ISR TXE LL_I2C_IsActiveFlag_TXE + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXE(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_TXE) == (I2C_ISR_TXE)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Transmit interrupt flag. + * @note RESET: When next data is written in Transmit data register. + * SET: When Transmit data register is empty. + * @rmtoll ISR TXIS LL_I2C_IsActiveFlag_TXIS + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TXIS(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_TXIS) == (I2C_ISR_TXIS)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Receive data register not empty flag. + * @note RESET: When Receive data register is read. + * SET: When the received data is copied in Receive data register. + * @rmtoll ISR RXNE LL_I2C_IsActiveFlag_RXNE + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_RXNE(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_RXNE) == (I2C_ISR_RXNE)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Address matched flag (slave mode). + * @note RESET: Clear default value. + * SET: When the received slave address matched with one of the enabled slave address. + * @rmtoll ISR ADDR LL_I2C_IsActiveFlag_ADDR + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ADDR(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_ADDR) == (I2C_ISR_ADDR)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Not Acknowledge received flag. + * @note RESET: Clear default value. + * SET: When a NACK is received after a byte transmission. + * @rmtoll ISR NACKF LL_I2C_IsActiveFlag_NACK + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_NACK(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_NACKF) == (I2C_ISR_NACKF)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Stop detection flag. + * @note RESET: Clear default value. + * SET: When a Stop condition is detected. + * @rmtoll ISR STOPF LL_I2C_IsActiveFlag_STOP + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_STOP(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_STOPF) == (I2C_ISR_STOPF)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Transfer complete flag (master mode). + * @note RESET: Clear default value. + * SET: When RELOAD=0, AUTOEND=0 and NBYTES date have been transferred. + * @rmtoll ISR TC LL_I2C_IsActiveFlag_TC + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TC(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_TC) == (I2C_ISR_TC)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Transfer complete flag (master mode). + * @note RESET: Clear default value. + * SET: When RELOAD=1 and NBYTES date have been transferred. + * @rmtoll ISR TCR LL_I2C_IsActiveFlag_TCR + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_TCR(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_TCR) == (I2C_ISR_TCR)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Bus error flag. + * @note RESET: Clear default value. + * SET: When a misplaced Start or Stop condition is detected. + * @rmtoll ISR BERR LL_I2C_IsActiveFlag_BERR + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BERR(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_BERR) == (I2C_ISR_BERR)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Arbitration lost flag. + * @note RESET: Clear default value. + * SET: When arbitration lost. + * @rmtoll ISR ARLO LL_I2C_IsActiveFlag_ARLO + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_ARLO(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_ARLO) == (I2C_ISR_ARLO)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Overrun/Underrun flag (slave mode). + * @note RESET: Clear default value. + * SET: When an overrun/underrun error occurs (Clock Stretching Disabled). + * @rmtoll ISR OVR LL_I2C_IsActiveFlag_OVR + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_OVR(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_OVR) == (I2C_ISR_OVR)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of SMBus PEC error flag in reception. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note RESET: Clear default value. + * SET: When the received PEC does not match with the PEC register content. + * @rmtoll ISR PECERR LL_I2C_IsActiveSMBusFlag_PECERR + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_PECERR(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_PECERR) == (I2C_ISR_PECERR)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of SMBus Timeout detection flag. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note RESET: Clear default value. + * SET: When a timeout or extended clock timeout occurs. + * @rmtoll ISR TIMEOUT LL_I2C_IsActiveSMBusFlag_TIMEOUT + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_TIMEOUT(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_TIMEOUT) == (I2C_ISR_TIMEOUT)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of SMBus alert flag. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note RESET: Clear default value. + * SET: When SMBus host configuration, SMBus alert enabled and + * a falling edge event occurs on SMBA pin. + * @rmtoll ISR ALERT LL_I2C_IsActiveSMBusFlag_ALERT + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveSMBusFlag_ALERT(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_ALERT) == (I2C_ISR_ALERT)) ? 1UL : 0UL); +} + +/** + * @brief Indicate the status of Bus Busy flag. + * @note RESET: Clear default value. + * SET: When a Start condition is detected. + * @rmtoll ISR BUSY LL_I2C_IsActiveFlag_BUSY + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsActiveFlag_BUSY(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->ISR, I2C_ISR_BUSY) == (I2C_ISR_BUSY)) ? 1UL : 0UL); +} + +/** + * @brief Clear Address Matched flag. + * @rmtoll ICR ADDRCF LL_I2C_ClearFlag_ADDR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearFlag_ADDR(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_ADDRCF); +} + +/** + * @brief Clear Not Acknowledge flag. + * @rmtoll ICR NACKCF LL_I2C_ClearFlag_NACK + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearFlag_NACK(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_NACKCF); +} + +/** + * @brief Clear Stop detection flag. + * @rmtoll ICR STOPCF LL_I2C_ClearFlag_STOP + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearFlag_STOP(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_STOPCF); +} + +/** + * @brief Clear Transmit data register empty flag (TXE). + * @note This bit can be clear by software in order to flush the transmit data register (TXDR). + * @rmtoll ISR TXE LL_I2C_ClearFlag_TXE + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearFlag_TXE(I2C_TypeDef *I2Cx) +{ + WRITE_REG(I2Cx->ISR, I2C_ISR_TXE); +} + +/** + * @brief Clear Bus error flag. + * @rmtoll ICR BERRCF LL_I2C_ClearFlag_BERR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearFlag_BERR(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_BERRCF); +} + +/** + * @brief Clear Arbitration lost flag. + * @rmtoll ICR ARLOCF LL_I2C_ClearFlag_ARLO + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearFlag_ARLO(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_ARLOCF); +} + +/** + * @brief Clear Overrun/Underrun flag. + * @rmtoll ICR OVRCF LL_I2C_ClearFlag_OVR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearFlag_OVR(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_OVRCF); +} + +/** + * @brief Clear SMBus PEC error flag. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll ICR PECCF LL_I2C_ClearSMBusFlag_PECERR + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearSMBusFlag_PECERR(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_PECCF); +} + +/** + * @brief Clear SMBus Timeout detection flag. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll ICR TIMOUTCF LL_I2C_ClearSMBusFlag_TIMEOUT + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearSMBusFlag_TIMEOUT(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_TIMOUTCF); +} + +/** + * @brief Clear SMBus Alert flag. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll ICR ALERTCF LL_I2C_ClearSMBusFlag_ALERT + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_ClearSMBusFlag_ALERT(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->ICR, I2C_ICR_ALERTCF); +} + +/** + * @} + */ + +/** @defgroup I2C_LL_EF_Data_Management Data_Management + * @{ + */ + +/** + * @brief Enable automatic STOP condition generation (master mode). + * @note Automatic end mode : a STOP condition is automatically sent when NBYTES data are transferred. + * This bit has no effect in slave mode or when RELOAD bit is set. + * @rmtoll CR2 AUTOEND LL_I2C_EnableAutoEndMode + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableAutoEndMode(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR2, I2C_CR2_AUTOEND); +} + +/** + * @brief Disable automatic STOP condition generation (master mode). + * @note Software end mode : TC flag is set when NBYTES data are transferre, stretching SCL low. + * @rmtoll CR2 AUTOEND LL_I2C_DisableAutoEndMode + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableAutoEndMode(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR2, I2C_CR2_AUTOEND); +} + +/** + * @brief Check if automatic STOP condition is enabled or disabled. + * @rmtoll CR2 AUTOEND LL_I2C_IsEnabledAutoEndMode + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledAutoEndMode(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR2, I2C_CR2_AUTOEND) == (I2C_CR2_AUTOEND)) ? 1UL : 0UL); +} + +/** + * @brief Enable reload mode (master mode). + * @note The transfer is not completed after the NBYTES data transfer, NBYTES will be reloaded when TCR flag is set. + * @rmtoll CR2 RELOAD LL_I2C_EnableReloadMode + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableReloadMode(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR2, I2C_CR2_RELOAD); +} + +/** + * @brief Disable reload mode (master mode). + * @note The transfer is completed after the NBYTES data transfer(STOP or RESTART will follow). + * @rmtoll CR2 RELOAD LL_I2C_DisableReloadMode + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableReloadMode(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR2, I2C_CR2_RELOAD); +} + +/** + * @brief Check if reload mode is enabled or disabled. + * @rmtoll CR2 RELOAD LL_I2C_IsEnabledReloadMode + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledReloadMode(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR2, I2C_CR2_RELOAD) == (I2C_CR2_RELOAD)) ? 1UL : 0UL); +} + +/** + * @brief Configure the number of bytes for transfer. + * @note Changing these bits when START bit is set is not allowed. + * @rmtoll CR2 NBYTES LL_I2C_SetTransferSize + * @param I2Cx I2C Instance. + * @param TransferSize This parameter must be a value between Min_Data=0x00 and Max_Data=0xFF. + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetTransferSize(I2C_TypeDef *I2Cx, uint32_t TransferSize) +{ + MODIFY_REG(I2Cx->CR2, I2C_CR2_NBYTES, TransferSize << I2C_CR2_NBYTES_Pos); +} + +/** + * @brief Get the number of bytes configured for transfer. + * @rmtoll CR2 NBYTES LL_I2C_GetTransferSize + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x0 and Max_Data=0xFF + */ +__STATIC_INLINE uint32_t LL_I2C_GetTransferSize(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_NBYTES) >> I2C_CR2_NBYTES_Pos); +} + +/** + * @brief Prepare the generation of a ACKnowledge or Non ACKnowledge condition after the address receive match code + or next received byte. + * @note Usage in Slave mode only. + * @rmtoll CR2 NACK LL_I2C_AcknowledgeNextData + * @param I2Cx I2C Instance. + * @param TypeAcknowledge This parameter can be one of the following values: + * @arg @ref LL_I2C_ACK + * @arg @ref LL_I2C_NACK + * @retval None + */ +__STATIC_INLINE void LL_I2C_AcknowledgeNextData(I2C_TypeDef *I2Cx, uint32_t TypeAcknowledge) +{ + MODIFY_REG(I2Cx->CR2, I2C_CR2_NACK, TypeAcknowledge); +} + +/** + * @brief Generate a START or RESTART condition + * @note The START bit can be set even if bus is BUSY or I2C is in slave mode. + * This action has no effect when RELOAD is set. + * @rmtoll CR2 START LL_I2C_GenerateStartCondition + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_GenerateStartCondition(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR2, I2C_CR2_START); +} + +/** + * @brief Generate a STOP condition after the current byte transfer (master mode). + * @rmtoll CR2 STOP LL_I2C_GenerateStopCondition + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_GenerateStopCondition(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR2, I2C_CR2_STOP); +} + +/** + * @brief Enable automatic RESTART Read request condition for 10bit address header (master mode). + * @note The master sends the complete 10bit slave address read sequence : + * Start + 2 bytes 10bit address in Write direction + Restart + first 7 bits of 10bit address + in Read direction. + * @rmtoll CR2 HEAD10R LL_I2C_EnableAuto10BitRead + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableAuto10BitRead(I2C_TypeDef *I2Cx) +{ + CLEAR_BIT(I2Cx->CR2, I2C_CR2_HEAD10R); +} + +/** + * @brief Disable automatic RESTART Read request condition for 10bit address header (master mode). + * @note The master only sends the first 7 bits of 10bit address in Read direction. + * @rmtoll CR2 HEAD10R LL_I2C_DisableAuto10BitRead + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_DisableAuto10BitRead(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR2, I2C_CR2_HEAD10R); +} + +/** + * @brief Check if automatic RESTART Read request condition for 10bit address header is enabled or disabled. + * @rmtoll CR2 HEAD10R LL_I2C_IsEnabledAuto10BitRead + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledAuto10BitRead(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR2, I2C_CR2_HEAD10R) != (I2C_CR2_HEAD10R)) ? 1UL : 0UL); +} + +/** + * @brief Configure the transfer direction (master mode). + * @note Changing these bits when START bit is set is not allowed. + * @rmtoll CR2 RD_WRN LL_I2C_SetTransferRequest + * @param I2Cx I2C Instance. + * @param TransferRequest This parameter can be one of the following values: + * @arg @ref LL_I2C_REQUEST_WRITE + * @arg @ref LL_I2C_REQUEST_READ + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetTransferRequest(I2C_TypeDef *I2Cx, uint32_t TransferRequest) +{ + MODIFY_REG(I2Cx->CR2, I2C_CR2_RD_WRN, TransferRequest); +} + +/** + * @brief Get the transfer direction requested (master mode). + * @rmtoll CR2 RD_WRN LL_I2C_GetTransferRequest + * @param I2Cx I2C Instance. + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2C_REQUEST_WRITE + * @arg @ref LL_I2C_REQUEST_READ + */ +__STATIC_INLINE uint32_t LL_I2C_GetTransferRequest(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_RD_WRN)); +} + +/** + * @brief Configure the slave address for transfer (master mode). + * @note Changing these bits when START bit is set is not allowed. + * @rmtoll CR2 SADD LL_I2C_SetSlaveAddr + * @param I2Cx I2C Instance. + * @param SlaveAddr This parameter must be a value between Min_Data=0x00 and Max_Data=0x3F. + * @retval None + */ +__STATIC_INLINE void LL_I2C_SetSlaveAddr(I2C_TypeDef *I2Cx, uint32_t SlaveAddr) +{ + MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD, SlaveAddr); +} + +/** + * @brief Get the slave address programmed for transfer. + * @rmtoll CR2 SADD LL_I2C_GetSlaveAddr + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x0 and Max_Data=0x3F + */ +__STATIC_INLINE uint32_t LL_I2C_GetSlaveAddr(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->CR2, I2C_CR2_SADD)); +} + +/** + * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set). + * @rmtoll CR2 SADD LL_I2C_HandleTransfer\n + * CR2 ADD10 LL_I2C_HandleTransfer\n + * CR2 RD_WRN LL_I2C_HandleTransfer\n + * CR2 START LL_I2C_HandleTransfer\n + * CR2 STOP LL_I2C_HandleTransfer\n + * CR2 RELOAD LL_I2C_HandleTransfer\n + * CR2 NBYTES LL_I2C_HandleTransfer\n + * CR2 AUTOEND LL_I2C_HandleTransfer\n + * CR2 HEAD10R LL_I2C_HandleTransfer + * @param I2Cx I2C Instance. + * @param SlaveAddr Specifies the slave address to be programmed. + * @param SlaveAddrSize This parameter can be one of the following values: + * @arg @ref LL_I2C_ADDRSLAVE_7BIT + * @arg @ref LL_I2C_ADDRSLAVE_10BIT + * @param TransferSize Specifies the number of bytes to be programmed. + * This parameter must be a value between Min_Data=0 and Max_Data=255. + * @param EndMode This parameter can be one of the following values: + * @arg @ref LL_I2C_MODE_RELOAD + * @arg @ref LL_I2C_MODE_AUTOEND + * @arg @ref LL_I2C_MODE_SOFTEND + * @arg @ref LL_I2C_MODE_SMBUS_RELOAD + * @arg @ref LL_I2C_MODE_SMBUS_AUTOEND_NO_PEC + * @arg @ref LL_I2C_MODE_SMBUS_SOFTEND_NO_PEC + * @arg @ref LL_I2C_MODE_SMBUS_AUTOEND_WITH_PEC + * @arg @ref LL_I2C_MODE_SMBUS_SOFTEND_WITH_PEC + * @param Request This parameter can be one of the following values: + * @arg @ref LL_I2C_GENERATE_NOSTARTSTOP + * @arg @ref LL_I2C_GENERATE_STOP + * @arg @ref LL_I2C_GENERATE_START_READ + * @arg @ref LL_I2C_GENERATE_START_WRITE + * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_READ + * @arg @ref LL_I2C_GENERATE_RESTART_7BIT_WRITE + * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_READ + * @arg @ref LL_I2C_GENERATE_RESTART_10BIT_WRITE + * @retval None + */ +__STATIC_INLINE void LL_I2C_HandleTransfer(I2C_TypeDef *I2Cx, uint32_t SlaveAddr, uint32_t SlaveAddrSize, + uint32_t TransferSize, uint32_t EndMode, uint32_t Request) +{ + /* Declaration of tmp to prevent undefined behavior of volatile usage */ + uint32_t tmp = ((uint32_t)(((uint32_t)SlaveAddr & I2C_CR2_SADD) | \ + ((uint32_t)SlaveAddrSize & I2C_CR2_ADD10) | \ + (((uint32_t)TransferSize << I2C_CR2_NBYTES_Pos) & I2C_CR2_NBYTES) | \ + (uint32_t)EndMode | (uint32_t)Request) & (~0x80000000U)); + + /* update CR2 register */ + MODIFY_REG(I2Cx->CR2, I2C_CR2_SADD | I2C_CR2_ADD10 | + (I2C_CR2_RD_WRN & (uint32_t)(Request >> (31U - I2C_CR2_RD_WRN_Pos))) | + I2C_CR2_START | I2C_CR2_STOP | I2C_CR2_RELOAD | + I2C_CR2_NBYTES | I2C_CR2_AUTOEND | I2C_CR2_HEAD10R, + tmp); +} + +/** + * @brief Indicate the value of transfer direction (slave mode). + * @note RESET: Write transfer, Slave enters in receiver mode. + * SET: Read transfer, Slave enters in transmitter mode. + * @rmtoll ISR DIR LL_I2C_GetTransferDirection + * @param I2Cx I2C Instance. + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2C_DIRECTION_WRITE + * @arg @ref LL_I2C_DIRECTION_READ + */ +__STATIC_INLINE uint32_t LL_I2C_GetTransferDirection(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_DIR)); +} + +/** + * @brief Return the slave matched address. + * @rmtoll ISR ADDCODE LL_I2C_GetAddressMatchCode + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x00 and Max_Data=0x3F + */ +__STATIC_INLINE uint32_t LL_I2C_GetAddressMatchCode(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->ISR, I2C_ISR_ADDCODE) >> I2C_ISR_ADDCODE_Pos << 1); +} + +/** + * @brief Enable internal comparison of the SMBus Packet Error byte (transmission or reception mode). + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @note This feature is cleared by hardware when the PEC byte is transferred, or when a STOP condition + or an Address Matched is received. + * This bit has no effect when RELOAD bit is set. + * This bit has no effect in device mode when SBC bit is not set. + * @rmtoll CR2 PECBYTE LL_I2C_EnableSMBusPECCompare + * @param I2Cx I2C Instance. + * @retval None + */ +__STATIC_INLINE void LL_I2C_EnableSMBusPECCompare(I2C_TypeDef *I2Cx) +{ + SET_BIT(I2Cx->CR2, I2C_CR2_PECBYTE); +} + +/** + * @brief Check if the SMBus Packet Error byte internal comparison is requested or not. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll CR2 PECBYTE LL_I2C_IsEnabledSMBusPECCompare + * @param I2Cx I2C Instance. + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2C_IsEnabledSMBusPECCompare(const I2C_TypeDef *I2Cx) +{ + return ((READ_BIT(I2Cx->CR2, I2C_CR2_PECBYTE) == (I2C_CR2_PECBYTE)) ? 1UL : 0UL); +} + +/** + * @brief Get the SMBus Packet Error byte calculated. + * @note The macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not + * SMBus feature is supported by the I2Cx Instance. + * @rmtoll PECR PEC LL_I2C_GetSMBusPEC + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x00 and Max_Data=0xFF + */ +__STATIC_INLINE uint32_t LL_I2C_GetSMBusPEC(const I2C_TypeDef *I2Cx) +{ + return (uint32_t)(READ_BIT(I2Cx->PECR, I2C_PECR_PEC)); +} + +/** + * @brief Read Receive Data register. + * @rmtoll RXDR RXDATA LL_I2C_ReceiveData8 + * @param I2Cx I2C Instance. + * @retval Value between Min_Data=0x00 and Max_Data=0xFF + */ +__STATIC_INLINE uint8_t LL_I2C_ReceiveData8(const I2C_TypeDef *I2Cx) +{ + return (uint8_t)(READ_BIT(I2Cx->RXDR, I2C_RXDR_RXDATA)); +} + +/** + * @brief Write in Transmit Data Register . + * @rmtoll TXDR TXDATA LL_I2C_TransmitData8 + * @param I2Cx I2C Instance. + * @param Data Value between Min_Data=0x00 and Max_Data=0xFF + * @retval None + */ +__STATIC_INLINE void LL_I2C_TransmitData8(I2C_TypeDef *I2Cx, uint8_t Data) +{ + WRITE_REG(I2Cx->TXDR, Data); +} + +/** + * @} + */ + +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup I2C_LL_EF_Init Initialization and de-initialization functions + * @{ + */ + +ErrorStatus LL_I2C_Init(I2C_TypeDef *I2Cx, const LL_I2C_InitTypeDef *I2C_InitStruct); +ErrorStatus LL_I2C_DeInit(const I2C_TypeDef *I2Cx); +void LL_I2C_StructInit(LL_I2C_InitTypeDef *I2C_InitStruct); + + +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* I2C1 || I2C2 || I2C3 || I2C4 */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* STM32H5xx_LL_I2C_H */ diff --git a/Drivers/STM32H5xx_HAL_Driver/Src/stm32h5xx_ll_i2c.c b/Drivers/STM32H5xx_HAL_Driver/Src/stm32h5xx_ll_i2c.c new file mode 100644 index 0000000..c12d3c3 --- /dev/null +++ b/Drivers/STM32H5xx_HAL_Driver/Src/stm32h5xx_ll_i2c.c @@ -0,0 +1,244 @@ +/** + ****************************************************************************** + * @file stm32h5xx_ll_i2c.c + * @author MCD Application Team + * @brief I2C LL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2023 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h5xx_ll_i2c.h" +#include "stm32h5xx_ll_bus.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif /* USE_FULL_ASSERT */ + +/** @addtogroup STM32H5xx_LL_Driver + * @{ + */ + +#if defined (I2C1) || defined (I2C2) || defined (I2C3) || defined (I2C4) + +/** @defgroup I2C_LL I2C + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup I2C_LL_Private_Macros + * @{ + */ + +#define IS_LL_I2C_PERIPHERAL_MODE(__VALUE__) (((__VALUE__) == LL_I2C_MODE_I2C) || \ + ((__VALUE__) == LL_I2C_MODE_SMBUS_HOST) || \ + ((__VALUE__) == LL_I2C_MODE_SMBUS_DEVICE) || \ + ((__VALUE__) == LL_I2C_MODE_SMBUS_DEVICE_ARP)) + +#define IS_LL_I2C_ANALOG_FILTER(__VALUE__) (((__VALUE__) == LL_I2C_ANALOGFILTER_ENABLE) || \ + ((__VALUE__) == LL_I2C_ANALOGFILTER_DISABLE)) + +#define IS_LL_I2C_DIGITAL_FILTER(__VALUE__) ((__VALUE__) <= 0x0000000FU) + +#define IS_LL_I2C_OWN_ADDRESS1(__VALUE__) ((__VALUE__) <= 0x000003FFU) + +#define IS_LL_I2C_TYPE_ACKNOWLEDGE(__VALUE__) (((__VALUE__) == LL_I2C_ACK) || \ + ((__VALUE__) == LL_I2C_NACK)) + +#define IS_LL_I2C_OWN_ADDRSIZE(__VALUE__) (((__VALUE__) == LL_I2C_OWNADDRESS1_7BIT) || \ + ((__VALUE__) == LL_I2C_OWNADDRESS1_10BIT)) +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup I2C_LL_Exported_Functions + * @{ + */ + +/** @addtogroup I2C_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize the I2C registers to their default reset values. + * @param I2Cx I2C Instance. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: I2C registers are de-initialized + * - ERROR: I2C registers are not de-initialized + */ +ErrorStatus LL_I2C_DeInit(const I2C_TypeDef *I2Cx) +{ + ErrorStatus status = SUCCESS; + + /* Check the I2C Instance I2Cx */ + assert_param(IS_I2C_ALL_INSTANCE(I2Cx)); + + if (I2Cx == I2C1) + { + /* Force reset of I2C clock */ + LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_I2C1); + + /* Release reset of I2C clock */ + LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_I2C1); + } + else if (I2Cx == I2C2) + { + /* Force reset of I2C clock */ + LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_I2C2); + + /* Release reset of I2C clock */ + LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_I2C2); + + } +#if defined(I2C3) + else if (I2Cx == I2C3) + { + /* Force reset of I2C clock */ + LL_APB3_GRP1_ForceReset(LL_APB3_GRP1_PERIPH_I2C3); + + /* Release reset of I2C clock */ + LL_APB3_GRP1_ReleaseReset(LL_APB3_GRP1_PERIPH_I2C3); + } +#endif /* I2C3 */ +#if defined(I2C4) + else if (I2Cx == I2C4) + { + /* Force reset of I2C clock */ + LL_APB3_GRP1_ForceReset(LL_APB3_GRP1_PERIPH_I2C4); + + /* Release reset of I2C clock */ + LL_APB3_GRP1_ReleaseReset(LL_APB3_GRP1_PERIPH_I2C4); + } +#endif /* I2C4 */ + else + { + status = ERROR; + } + + return status; +} + +/** + * @brief Initialize the I2C registers according to the specified parameters in I2C_InitStruct. + * @param I2Cx I2C Instance. + * @param I2C_InitStruct pointer to a @ref LL_I2C_InitTypeDef structure. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: I2C registers are initialized + * - ERROR: Not applicable + */ +ErrorStatus LL_I2C_Init(I2C_TypeDef *I2Cx, const LL_I2C_InitTypeDef *I2C_InitStruct) +{ + /* Check the I2C Instance I2Cx */ + assert_param(IS_I2C_ALL_INSTANCE(I2Cx)); + + /* Check the I2C parameters from I2C_InitStruct */ + assert_param(IS_LL_I2C_PERIPHERAL_MODE(I2C_InitStruct->PeripheralMode)); + assert_param(IS_LL_I2C_ANALOG_FILTER(I2C_InitStruct->AnalogFilter)); + assert_param(IS_LL_I2C_DIGITAL_FILTER(I2C_InitStruct->DigitalFilter)); + assert_param(IS_LL_I2C_OWN_ADDRESS1(I2C_InitStruct->OwnAddress1)); + assert_param(IS_LL_I2C_TYPE_ACKNOWLEDGE(I2C_InitStruct->TypeAcknowledge)); + assert_param(IS_LL_I2C_OWN_ADDRSIZE(I2C_InitStruct->OwnAddrSize)); + + /* Disable the selected I2Cx Peripheral */ + LL_I2C_Disable(I2Cx); + + /*---------------------------- I2Cx CR1 Configuration ------------------------ + * Configure the analog and digital noise filters with parameters : + * - AnalogFilter: I2C_CR1_ANFOFF bit + * - DigitalFilter: I2C_CR1_DNF[3:0] bits + */ + LL_I2C_ConfigFilters(I2Cx, I2C_InitStruct->AnalogFilter, I2C_InitStruct->DigitalFilter); + + /*---------------------------- I2Cx TIMINGR Configuration -------------------- + * Configure the SDA setup, hold time and the SCL high, low period with parameter : + * - Timing: I2C_TIMINGR_PRESC[3:0], I2C_TIMINGR_SCLDEL[3:0], I2C_TIMINGR_SDADEL[3:0], + * I2C_TIMINGR_SCLH[7:0] and I2C_TIMINGR_SCLL[7:0] bits + */ + LL_I2C_SetTiming(I2Cx, I2C_InitStruct->Timing); + + /* Enable the selected I2Cx Peripheral */ + LL_I2C_Enable(I2Cx); + + /*---------------------------- I2Cx OAR1 Configuration ----------------------- + * Disable, Configure and Enable I2Cx device own address 1 with parameters : + * - OwnAddress1: I2C_OAR1_OA1[9:0] bits + * - OwnAddrSize: I2C_OAR1_OA1MODE bit + */ + LL_I2C_DisableOwnAddress1(I2Cx); + LL_I2C_SetOwnAddress1(I2Cx, I2C_InitStruct->OwnAddress1, I2C_InitStruct->OwnAddrSize); + + /* OwnAdress1 == 0 is reserved for General Call address */ + if (I2C_InitStruct->OwnAddress1 != 0U) + { + LL_I2C_EnableOwnAddress1(I2Cx); + } + + /*---------------------------- I2Cx MODE Configuration ----------------------- + * Configure I2Cx peripheral mode with parameter : + * - PeripheralMode: I2C_CR1_SMBDEN and I2C_CR1_SMBHEN bits + */ + LL_I2C_SetMode(I2Cx, I2C_InitStruct->PeripheralMode); + + /*---------------------------- I2Cx CR2 Configuration ------------------------ + * Configure the ACKnowledge or Non ACKnowledge condition + * after the address receive match code or next received byte with parameter : + * - TypeAcknowledge: I2C_CR2_NACK bit + */ + LL_I2C_AcknowledgeNextData(I2Cx, I2C_InitStruct->TypeAcknowledge); + + return SUCCESS; +} + +/** + * @brief Set each @ref LL_I2C_InitTypeDef field to default value. + * @param I2C_InitStruct Pointer to a @ref LL_I2C_InitTypeDef structure. + * @retval None + */ +void LL_I2C_StructInit(LL_I2C_InitTypeDef *I2C_InitStruct) +{ + /* Set I2C_InitStruct fields to default values */ + I2C_InitStruct->PeripheralMode = LL_I2C_MODE_I2C; + I2C_InitStruct->Timing = 0U; + I2C_InitStruct->AnalogFilter = LL_I2C_ANALOGFILTER_ENABLE; + I2C_InitStruct->DigitalFilter = 0U; + I2C_InitStruct->OwnAddress1 = 0U; + I2C_InitStruct->TypeAcknowledge = LL_I2C_NACK; + I2C_InitStruct->OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* I2C1 || I2C2 || I2C3 || I2C4 */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */