step motor turns, minimal example

had problems in cubeMX with that, but now it seems to work

Makefile

@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [4.2.0-B44] date: [Fri Apr 25 22:56:53 CEST 2025] 
+# File automatically-generated by tool: [projectgenerator] version: [4.2.0-B44] date: [Thu May 01 21:37:30 CEST 2025] 
 ##########################################################################################################################
 
 # ------------------------------------------------

Parafraktor.ioc

@@ -65,49 +65,50 @@ ProjectManager.UAScriptAfterPath=
 ProjectManager.UAScriptBeforePath=
 ProjectManager.UnderRoot=false
 ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_USART1_UART_Init-USART1-false-HAL-true
-RCC.ADCFreq_Value=32000000
-RCC.AHBFreq_Value=32000000
-RCC.APBFreq_Value=32000000
-RCC.APBTimFreq_Value=32000000
+RCC.ADCFreq_Value=64000000
+RCC.AHBFreq_Value=64000000
+RCC.APBFreq_Value=64000000
+RCC.APBTimFreq_Value=64000000
 RCC.CECFreq_Value=32786.88524590164
-RCC.CortexFreq_Value=32000000
+RCC.CortexFreq_Value=64000000
 RCC.EXTERNAL_CLOCK_VALUE=48000
-RCC.FCLKCortexFreq_Value=32000000
-RCC.FDCANFreq_Value=32000000
+RCC.FCLKCortexFreq_Value=64000000
+RCC.FDCANFreq_Value=64000000
 RCC.FamilyName=M
-RCC.HCLKFreq_Value=32000000
+RCC.HCLKFreq_Value=64000000
 RCC.HSE_VALUE=8000000
 RCC.HSI48_VALUE=48000000
 RCC.HSI_VALUE=16000000
-RCC.I2C1Freq_Value=32000000
-RCC.I2C2Freq_Value=32000000
-RCC.I2S1Freq_Value=32000000
-RCC.I2S2Freq_Value=32000000
-RCC.IPParameters=ADCFreq_Value,AHBFreq_Value,APBFreq_Value,APBTimFreq_Value,CECFreq_Value,CortexFreq_Value,EXTERNAL_CLOCK_VALUE,FCLKCortexFreq_Value,FDCANFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2S1Freq_Value,I2S2Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LPUART2Freq_Value,LSCOPinFreq_Value,LSE_VALUE,LSI_VALUE,MCO1PinFreq_Value,MCO2PinFreq_Value,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSourceVirtual,PWRFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TIM15Freq_Value,TIM1Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value
-RCC.LPTIM1Freq_Value=32000000
-RCC.LPTIM2Freq_Value=32000000
-RCC.LPUART1Freq_Value=32000000
-RCC.LPUART2Freq_Value=32000000
+RCC.I2C1Freq_Value=64000000
+RCC.I2C2Freq_Value=64000000
+RCC.I2S1Freq_Value=64000000
+RCC.I2S2Freq_Value=64000000
+RCC.IPParameters=ADCFreq_Value,AHBFreq_Value,APBFreq_Value,APBTimFreq_Value,CECFreq_Value,CortexFreq_Value,EXTERNAL_CLOCK_VALUE,FCLKCortexFreq_Value,FDCANFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2S1Freq_Value,I2S2Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LPUART2Freq_Value,LSCOPinFreq_Value,LSE_VALUE,LSI_VALUE,MCO1PinFreq_Value,MCO2PinFreq_Value,PLLN,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSourceVirtual,PWRFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TIM15Freq_Value,TIM1Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value
+RCC.LPTIM1Freq_Value=64000000
+RCC.LPTIM2Freq_Value=64000000
+RCC.LPUART1Freq_Value=64000000
+RCC.LPUART2Freq_Value=64000000
 RCC.LSCOPinFreq_Value=32000
 RCC.LSE_VALUE=32768
 RCC.LSI_VALUE=32000
-RCC.MCO1PinFreq_Value=32000000
-RCC.MCO2PinFreq_Value=32000000
-RCC.PLLPoutputFreq_Value=32000000
-RCC.PLLQoutputFreq_Value=32000000
-RCC.PLLRCLKFreq_Value=32000000
+RCC.MCO1PinFreq_Value=64000000
+RCC.MCO2PinFreq_Value=64000000
+RCC.PLLN=16
+RCC.PLLPoutputFreq_Value=64000000
+RCC.PLLQoutputFreq_Value=64000000
+RCC.PLLRCLKFreq_Value=64000000
 RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
-RCC.PWRFreq_Value=32000000
-RCC.SYSCLKFreq_VALUE=32000000
+RCC.PWRFreq_Value=64000000
+RCC.SYSCLKFreq_VALUE=64000000
 RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
-RCC.TIM15Freq_Value=32000000
-RCC.TIM1Freq_Value=32000000
-RCC.USART1Freq_Value=32000000
-RCC.USART2Freq_Value=32000000
-RCC.USART3Freq_Value=32000000
+RCC.TIM15Freq_Value=64000000
+RCC.TIM1Freq_Value=64000000
+RCC.USART1Freq_Value=64000000
+RCC.USART2Freq_Value=64000000
+RCC.USART3Freq_Value=64000000
 RCC.USBFreq_Value=48000000
 RCC.VCOInputFreq_Value=8000000
-RCC.VCOOutputFreq_Value=64000000
+RCC.VCOOutputFreq_Value=128000000
 VP_SYS_VS_DBSignals.Mode=DisableDeadBatterySignals
 VP_SYS_VS_DBSignals.Signal=SYS_VS_DBSignals
 VP_SYS_VS_Systick.Mode=SysTick

Src/main.c

@@ -94,7 +94,7 @@ void init_UART1_dma(){
     GPIOC->AFR[0] &= GPIO_AFRL_AFSEL5;
     GPIOC->AFR[0] |= 1 << GPIO_AFRL_AFSEL5_Pos; // AF1 -> USART1 RX
 
-    USART1->BRR = 128; // 32000000÷250000
+    USART1->BRR = 256; // 64000000÷250000
     USART1->CR1 = USART_CR1_RE;
 
     USART1->CR3 |= USART_CR3_EIE; // Interrupt on BREAK (and other errors)
@@ -145,6 +145,7 @@ void USART1_IRQHandler(){
      }
 
      if(USART1->ISR & USART_ISR_FE){
+         //TODO read rx==0
          USART1->ICR = USART_ICR_FECF;
          //if(rxBufferPos != 514)
          //    printf("FE after %d\n",rxBufferPos);
@@ -182,6 +183,27 @@ void DMA1_Channel1_IRQHandler(){
     SEGGER_SYSVIEW_PrintfHost("DMA");
     SEGGER_SYSVIEW_RecordExitISR();
 }
+
+void init_stepper(){
+    RCC->IOPENR |= RCC_IOPENR_GPIOBEN;
+    RCC->IOPENR |= RCC_IOPENR_GPIOCEN;
+    RCC->IOPENR |= RCC_IOPENR_GPIOEEN;
+
+    // Set to output (00: Input, 01: Output, 10: Alternate function, 11: Analog)
+    // PB4 Direction
+    GPIOB->MODER &= ~(0x3 << (4 * 2)); // Clear mode bits for PB4
+    GPIOB->MODER |= (0x1 << (4 * 2));  // Set mode to output for PB4
+
+    // PC11 Enable
+    GPIOC->MODER &= ~(0x3 << (11 * 2)); // Clear mode bits for PC11
+    GPIOC->MODER |= (0x1 << (11 * 2));  // Set mode to output for PC11
+
+    // PE2 Step
+    GPIOE->MODER &= ~(0x3 << (2 * 2));   // Clear mode bits for PE2
+    GPIOE->MODER |= (0x1 << (2 * 2));    // Set mode to output for PE2
+
+    GPIOC->BSRR |= GPIO_BSRR_BS11;
+}
 /* USER CODE END 0 */
 
 /**
@@ -190,9 +212,8 @@ void DMA1_Channel1_IRQHandler(){
   */
 int main(void)
 {
-
   /* USER CODE BEGIN 1 */
-    /* USER CODE END 1 */
+  /* USER CODE END 1 */
 
   /* MCU Configuration--------------------------------------------------------*/
 
@@ -218,11 +239,13 @@ int main(void)
   MX_GPIO_Init();
   /* USER CODE BEGIN 2 */
   init_UART1_dma(); 
+  init_stepper();
   /* USER CODE END 2 */
 
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
   //HAL_UART_Receive_DMA(&huart1, rxBuffer, BUFFER_SIZE);
+  uint16_t cnt = 0;
   while (1)
   {
       printf("buf: ");
@@ -230,6 +253,10 @@ int main(void)
           printf("0x%02X ", rxBuffer[i]);
       printf("\n");
       SEGGER_SYSVIEW_OnIdle();
+      if(cnt++ >= 260-rxBuffer[1]){
+          cnt = 0;
+          GPIOE->ODR ^= GPIO_ODR_OD2;
+      }
     /* USER CODE END WHILE */
 
     /* USER CODE BEGIN 3 */
@@ -258,7 +285,7 @@ void SystemClock_Config(void)
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
   RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
-  RCC_OscInitStruct.PLL.PLLN = 8;
+  RCC_OscInitStruct.PLL.PLLN = 16;
   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
   RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
   RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
@@ -275,7 +302,7 @@ void SystemClock_Config(void)
   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
 
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
   {
     Error_Handler();
   }