From d2ff50a1611d533397ca7fc8f6e0bba590634736 Mon Sep 17 00:00:00 2001
From: unicod <unicod@noreply.codeberg.org>
Date: Fri, 13 Feb 2026 21:47:02 +0100
Subject: [PATCH] Blinking LED on PC11

- systick init: 1ms (no interrupt)
---
 .cproject               |  4 ++--
 Core/Inc/main.h         |  2 ++
 Core/Inc/stm32h5xx_it.h |  1 -
 Core/Src/main.c         | 25 +++++++++++++++++++++++--
 Core/Src/stm32h5xx_it.c | 14 --------------
 DigitalAudioH533.ioc    | 26 ++++++++++++++++----------
 6 files changed, 43 insertions(+), 29 deletions(-)

diff --git a/.cproject b/.cproject
index aeddd31..57b4e62 100644
--- a/.cproject
+++ b/.cproject
@@ -14,7 +14,7 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.1965864104" name="Debug" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug" postbuildStep="arm-none-eabi-objcopy -O ihex &quot;${BuildArtifactFileName}&quot; &quot;${ProjName}.hex&quot;">
+				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.1965864104" name="Debug" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug" postbuildStep="arm-none-eabi-objcopy --remove-section .param -O ihex &quot;${BuildArtifactFileName}&quot; &quot;${ProjName}.hex&quot;">
 					<folderInfo id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.1965864104." name="/" resourcePath="">
 						<toolChain id="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.debug.1035526377" name="MCU ARM GCC" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.debug">
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu.820631508" name="MCU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu" useByScannerDiscovery="true" value="STM32H533RETx" valueType="string"/>
@@ -101,7 +101,7 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.567004511" name="Release" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release" postbuildStep="arm-none-eabi-objcopy -O ihex &quot;${BuildArtifactFileName}&quot; &quot;${ProjName}.hex&quot;">
+				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.567004511" name="Release" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release" postbuildStep="arm-none-eabi-objcopy --remove-section .param -O ihex &quot;${BuildArtifactFileName}&quot; &quot;${ProjName}.hex&quot;">
 					<folderInfo id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.567004511." name="/" resourcePath="">
 						<toolChain id="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.release.1679654592" name="MCU ARM GCC" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.release">
 							<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu.606865911" name="MCU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu" useByScannerDiscovery="true" value="STM32H533RETx" valueType="string"/>
diff --git a/Core/Inc/main.h b/Core/Inc/main.h
index c6ccece..85d6c50 100644
--- a/Core/Inc/main.h
+++ b/Core/Inc/main.h
@@ -71,6 +71,8 @@ void Error_Handler(void);
 /* USER CODE END EFP */
 
 /* Private defines -----------------------------------------------------------*/
+#define LD2_Pin LL_GPIO_PIN_11
+#define LD2_GPIO_Port GPIOC
 #ifndef NVIC_PRIORITYGROUP_0
 #define NVIC_PRIORITYGROUP_0         ((uint32_t)0x00000007) /*!< 0 bit  for pre-emption priority,
                                                                  4 bits for subpriority */
diff --git a/Core/Inc/stm32h5xx_it.h b/Core/Inc/stm32h5xx_it.h
index ae5b3a5..cd2210f 100644
--- a/Core/Inc/stm32h5xx_it.h
+++ b/Core/Inc/stm32h5xx_it.h
@@ -54,7 +54,6 @@ void UsageFault_Handler(void);
 void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
-void SysTick_Handler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 261d53e..8535f18 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -55,6 +55,10 @@ static void MX_ICACHE_Init(void);
 
 /* Private user code ---------------------------------------------------------*/
 /* USER CODE BEGIN 0 */
+static inline void LD2_On()     { LL_GPIO_SetOutputPin( LD2_GPIO_Port, LD2_Pin);   }
+static inline void LD2_Off()    { LL_GPIO_ResetOutputPin( LD2_GPIO_Port, LD2_Pin); }
+static inline void LD2_Toggle() { LL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin); }
+
 
 /* USER CODE END 0 */
 
@@ -95,12 +99,16 @@ int main(void)
   MX_ICACHE_Init();
   /* USER CODE BEGIN 2 */
 
+  LL_Init1msTick(SystemCoreClock);
+
   /* USER CODE END 2 */
 
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
-  while (1)
-  {
+   while (1)
+   {
+      LD2_Toggle();
+      LL_mDelay(250);
     /* USER CODE END WHILE */
 
     /* USER CODE BEGIN 3 */
@@ -195,6 +203,7 @@ static void MX_ICACHE_Init(void)
   */
 static void MX_GPIO_Init(void)
 {
+  LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
   /* USER CODE BEGIN MX_GPIO_Init_1 */
 
   /* USER CODE END MX_GPIO_Init_1 */
@@ -202,6 +211,18 @@ static void MX_GPIO_Init(void)
   /* GPIO Ports Clock Enable */
   LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOH);
   LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
+  LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOC);
+
+  /**/
+  LL_GPIO_SetOutputPin(LD2_GPIO_Port, LD2_Pin);
+
+  /**/
+  GPIO_InitStruct.Pin = LD2_Pin;
+  GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
+  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
+  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
+  GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
+  LL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);
 
   /* USER CODE BEGIN MX_GPIO_Init_2 */
 
diff --git a/Core/Src/stm32h5xx_it.c b/Core/Src/stm32h5xx_it.c
index b765319..2d42f7b 100644
--- a/Core/Src/stm32h5xx_it.c
+++ b/Core/Src/stm32h5xx_it.c
@@ -177,20 +177,6 @@ void PendSV_Handler(void)
   /* USER CODE END PendSV_IRQn 1 */
 }
 
-/**
-  * @brief This function handles System tick timer.
-  */
-void SysTick_Handler(void)
-{
-  /* USER CODE BEGIN SysTick_IRQn 0 */
-
-  /* USER CODE END SysTick_IRQn 0 */
-
-  /* USER CODE BEGIN SysTick_IRQn 1 */
-
-  /* USER CODE END SysTick_IRQn 1 */
-}
-
 /******************************************************************************/
 /* STM32H5xx Peripheral Interrupt Handlers                                    */
 /* Add here the Interrupt Handlers for the used peripherals.                  */
diff --git a/DigitalAudioH533.ioc b/DigitalAudioH533.ioc
index bcad22f..e272326 100644
--- a/DigitalAudioH533.ioc
+++ b/DigitalAudioH533.ioc
@@ -7,7 +7,7 @@ CAD.pinconfig=Dual
 CAD.provider=Component Search Engine
 CORTEX_M33_NS.userName=CORTEX_M33
 File.Version=6
-GPIO.groupedBy=
+GPIO.groupedBy=Group By Peripherals
 KeepUserPlacement=false
 MMTAppReg1.MEMORYMAP.AP=RW_priv_only
 MMTAppReg1.MEMORYMAP.AppRegionName=RAM
@@ -58,16 +58,17 @@ Mcu.Name=STM32H533RETx
 Mcu.Package=LQFP64
 Mcu.Pin0=PH0-OSC_IN(PH0)
 Mcu.Pin1=PH1-OSC_OUT(PH1)
-Mcu.Pin10=VP_MEMORYMAP_VS_MEMORYMAP
+Mcu.Pin10=VP_BOOTPATH_VS_BOOTPATH
+Mcu.Pin11=VP_MEMORYMAP_VS_MEMORYMAP
 Mcu.Pin2=PA13(JTMS/SWDIO)
 Mcu.Pin3=PA14(JTCK/SWCLK)
-Mcu.Pin4=VP_CORTEX_M33_NS_VS_Hclk
-Mcu.Pin5=VP_ICACHE_VS_ICACHE
-Mcu.Pin6=VP_PWR_VS_SECSignals
-Mcu.Pin7=VP_PWR_VS_LPOM
-Mcu.Pin8=VP_SYS_VS_Systick
-Mcu.Pin9=VP_BOOTPATH_VS_BOOTPATH
-Mcu.PinsNb=11
+Mcu.Pin4=PC11
+Mcu.Pin5=VP_CORTEX_M33_NS_VS_Hclk
+Mcu.Pin6=VP_ICACHE_VS_ICACHE
+Mcu.Pin7=VP_PWR_VS_SECSignals
+Mcu.Pin8=VP_PWR_VS_LPOM
+Mcu.Pin9=VP_SYS_VS_Systick
+Mcu.PinsNb=12
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32H533RETx
@@ -82,12 +83,17 @@ NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
-NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false
+NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:false\:false\:false\:false
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 PA13(JTMS/SWDIO).Mode=Serial_Wire
 PA13(JTMS/SWDIO).Signal=DEBUG_JTMS-SWDIO
 PA14(JTCK/SWCLK).Mode=Serial_Wire
 PA14(JTCK/SWCLK).Signal=DEBUG_JTCK-SWCLK
+PC11.GPIOParameters=PinState,GPIO_Label
+PC11.GPIO_Label=LD2
+PC11.Locked=true
+PC11.PinState=GPIO_PIN_SET
+PC11.Signal=GPIO_Output
 PCC.Checker=false
 PCC.Line=STM32H5x3
 PCC.MCU=STM32H533RETx