Changeset 21 for trunk/firmware_v2/Core

Timestamp:

Aug 19, 2025, 1:16:30 PM (8 days ago)

Author:

f.jahn

Message:

Input Capture DMA-circular mode with automatic counter reset seems working!

Location:

trunk/firmware_v2/Core/Src

Files:

• stm32c0xx_it.c (modified) (1 diff)
• tim.c (modified) (3 diffs)

trunk/firmware_v2/Core/Src/stm32c0xx_it.c

@@ -249 +249 @@
         {
                 ic_overflows++;
-                printf("Ovf\n");
+                //printf("Ovf\n");
                 //ic_overflows %= 
         }

trunk/firmware_v2/Core/Src/tim.c

@@ -44 +44 @@
 
   TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+  TIM_SlaveConfigTypeDef sSlaveConfig = {0};
   TIM_MasterConfigTypeDef sMasterConfig = {0};
   TIM_IC_InitTypeDef sConfigIC = {0};
@@ -69 +70 @@
     Error_Handler();
   }
+  sSlaveConfig.SlaveMode = TIM_SLAVEMODE_RESET;
+  sSlaveConfig.InputTrigger = TIM_TS_TI1FP1;
+  sSlaveConfig.TriggerPolarity = TIM_INPUTCHANNELPOLARITY_FALLING;
+  sSlaveConfig.TriggerFilter = 0;
+  if (HAL_TIM_SlaveConfigSynchro(&htim3, &sSlaveConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
-  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_ENABLE;
   if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
   {
@@ -85 +94 @@
   /* USER CODE BEGIN TIM3_Init 2 */
 
-  __HAL_TIM_ENABLE_IT(&htim3, TIM_IT_UPDATE);
   HAL_TIM_IC_Start_DMA(&htim3, TIM_CHANNEL_1, (uint32_t*)ic_buf, STATE_NUM * AVG_NUM);