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TIM5: free running timer with [us] resolution

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- usTimerGetAbs
- usTimerGetRel
- Delay_us
master
unicod 1 month ago
parent 26807a7d16
commit 705a5221df
7 changed files with 9211 additions and 9 deletions
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4
.mxproject
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@ -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_icache.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_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.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_icache.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_icache.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_tim.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_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_dma.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_icache.h;Drivers\STM32H5xx_HAL_Driver\Inc\stm32h5xx_ll_tim.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_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.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_icache.c;Drivers\STM32H5xx_HAL_Driver\Src\stm32h5xx_ll_pwr.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_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_dma.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_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_dma.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;

24
Core/Inc/main.h
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@ -37,6 +37,7 @@ extern "C" {
#include "stm32h5xx_ll_cortex.h"
#include "stm32h5xx_ll_utils.h"
#include "stm32h5xx_ll_dma.h"
#include "stm32h5xx_ll_tim.h"
#include "stm32h5xx_ll_gpio.h"
#if defined(USE_FULL_ASSERT)
@ -93,7 +94,28 @@ void Error_Handler(void);
#endif
/* USER CODE BEGIN Private defines */
static inline void Delay_us() { LL_mDelay(1); } // TODO: implement real microsecond delay
/***************************************************************************//**
* @brief Read actual counter value of general purpose [us] timer
* @return Timer value [us]
*//****************************************************************************/
static inline uint32_t usTimerGetAbs (void) {
return LL_TIM_GetCounter(TIM5);
}
/***************************************************************************//**
* @brief Get [us] difference between actual timer value and reference time
* @param tref reference time
* @return time difference [us]
*//****************************************************************************/
static inline int32_t usTimerGetRel(uint32_t tref) {
return LL_TIM_GetCounter(TIM5) - tref;
}
static inline void Delay_us(uint32_t t_us) {
uint32_t tref = usTimerGetAbs();
while (usTimerGetRel(tref) <= t_us);
}
// Shift register control macros
#define SHR_COUNT 4

41
Core/Src/main.c
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@ -50,6 +50,7 @@
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_ICACHE_Init(void);
static void MX_TIM5_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
@ -98,7 +99,10 @@ int main(void)
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_ICACHE_Init();
MX_TIM5_Init();
/* USER CODE BEGIN 2 */
LL_TIM_GenerateEvent_UPDATE(TIM5);
LL_TIM_EnableCounter(TIM5);
LL_Init1msTick(SystemCoreClock);
@ -115,7 +119,7 @@ int main(void)
while (1)
{
LD2_Toggle();
LL_mDelay(250);
Delay_us(1000000); // 1s delay
static uint8_t cnt = 0;
DispPutDigit(0, '0'+cnt, 0);
DispPutDigit(1, 'a'+cnt, 1);
@ -210,6 +214,41 @@ static void MX_ICACHE_Init(void)
}
/**
* @brief TIM5 Initialization Function
* @param None
* @retval None
*/
static void MX_TIM5_Init(void)
{
/* USER CODE BEGIN TIM5_Init 0 */
/* USER CODE END TIM5_Init 0 */
LL_TIM_InitTypeDef TIM_InitStruct = {0};
/* Peripheral clock enable */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM5);
/* USER CODE BEGIN TIM5_Init 1 */
/* USER CODE END TIM5_Init 1 */
TIM_InitStruct.Prescaler = 79;
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
TIM_InitStruct.Autoreload = 4294967295;
TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
LL_TIM_Init(TIM5, &TIM_InitStruct);
LL_TIM_DisableARRPreload(TIM5);
LL_TIM_SetClockSource(TIM5, LL_TIM_CLOCKSOURCE_INTERNAL);
LL_TIM_SetTriggerOutput(TIM5, LL_TIM_TRGO_RESET);
LL_TIM_DisableMasterSlaveMode(TIM5);
/* USER CODE BEGIN TIM5_Init 2 */
/* USER CODE END TIM5_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @param None

16
DigitalAudioH533.ioc
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@ -53,7 +53,8 @@ Mcu.IP5=NVIC
Mcu.IP6=PWR
Mcu.IP7=RCC
Mcu.IP8=SYS
Mcu.IPNb=9
Mcu.IP9=TIM5
Mcu.IPNb=10
Mcu.Name=STM32H533RETx
Mcu.Package=LQFP64
Mcu.Pin0=PC14-OSC32_IN(OSC32_IN)
@ -61,8 +62,9 @@ Mcu.Pin1=PC15-OSC32_OUT(OSC32_OUT)
Mcu.Pin10=VP_PWR_VS_SECSignals
Mcu.Pin11=VP_PWR_VS_LPOM
Mcu.Pin12=VP_SYS_VS_Systick
Mcu.Pin13=VP_BOOTPATH_VS_BOOTPATH
Mcu.Pin14=VP_MEMORYMAP_VS_MEMORYMAP
Mcu.Pin13=VP_TIM5_VS_ClockSourceINT
Mcu.Pin14=VP_BOOTPATH_VS_BOOTPATH
Mcu.Pin15=VP_MEMORYMAP_VS_MEMORYMAP
Mcu.Pin2=PH0-OSC_IN(PH0)
Mcu.Pin3=PH1-OSC_OUT(PH1)
Mcu.Pin4=PA13(JTMS/SWDIO)
@ -71,7 +73,7 @@ Mcu.Pin6=PC11
Mcu.Pin7=PB8
Mcu.Pin8=VP_CORTEX_M33_NS_VS_Hclk
Mcu.Pin9=VP_ICACHE_VS_ICACHE
Mcu.PinsNb=15
Mcu.PinsNb=16
Mcu.ThirdPartyNb=0
Mcu.UserConstants=
Mcu.UserName=STM32H533RETx
@ -153,7 +155,7 @@ 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_ICACHE_Init-ICACHE-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_ICACHE_Init-ICACHE-false-LL-true,4-MX_TIM5_Init-TIM5-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
@ -229,6 +231,8 @@ RCC.VCOInputFreq_Value=16000000
RCC.VCOOutputFreq_Value=320000000
RCC.VCOPLL2OutputFreq_Value=160000000
RCC.VCOPLL3OutputFreq_Value=64000000
TIM5.IPParameters=Prescaler
TIM5.Prescaler=79
VP_BOOTPATH_VS_BOOTPATH.Mode=BP_Activate
VP_BOOTPATH_VS_BOOTPATH.Signal=BOOTPATH_VS_BOOTPATH
VP_CORTEX_M33_NS_VS_Hclk.Mode=Hclk_Mode
@ -243,4 +247,6 @@ VP_PWR_VS_SECSignals.Mode=Security/Privilege
VP_PWR_VS_SECSignals.Signal=PWR_VS_SECSignals
VP_SYS_VS_Systick.Mode=SysTick
VP_SYS_VS_Systick.Signal=SYS_VS_Systick
VP_TIM5_VS_ClockSourceINT.Mode=Internal
VP_TIM5_VS_ClockSourceINT.Signal=TIM5_VS_ClockSourceINT
board=custom

6571
Drivers/STM32H5xx_HAL_Driver/Inc/stm32h5xx_ll_tim.h
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1145
Drivers/STM32H5xx_HAL_Driver/Src/stm32h5xx_ll_dma.c
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1419
Drivers/STM32H5xx_HAL_Driver/Src/stm32h5xx_ll_tim.c
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