sine works

my_src/main2.c

@@ -15,35 +15,74 @@
 
 
 #include <stdlib.h>
+#include <math.h>
 #include <PontCoopScheduler.h>
 #include "stm32f1xx_hal.h"
 
 
 extern TIM_HandleTypeDef htim1;
 extern TIM_HandleTypeDef htim2;
+extern TIM_HandleTypeDef htim3;
+extern TIM_HandleTypeDef htim4;
 
 
+#define NUM_OF_SINE_SLOT 30
+uint16_t freqOut = 100;
+const uint32_t FREQ_IN = 72E6;
+const float PI = 3.14159;
+float slotAngle = 180.0 / NUM_OF_SINE_SLOT;
+float sineValues[NUM_OF_SINE_SLOT];
+uint16_t IV[NUM_OF_SINE_SLOT];
+volatile uint8_t slotCnt;
+
 void blink(void *handle) {
 	HAL_GPIO_TogglePin(LED_PIN_GPIO_Port, LED_PIN_Pin);
-
 }
 
 void my_setup_1() {
+	for (uint8_t i = 0; i < NUM_OF_SINE_SLOT; i++) {
+		float angle = i * slotAngle;
+		sineValues[i] = sinf(angle / 180 * PI);
+	}
+
 	schInit();
 	schAdd(blink, NULL, 0, 100);
 }
 
+
+
 void my_setup_2() {
-	  HAL_TIM_OC_Start_IT(&htim1, TIM_CHANNEL_1);
-	  HAL_TIM_OC_Start_IT(&htim1, TIM_CHANNEL_2);
-	  HAL_TIM_OC_Start_IT(&htim1, TIM_CHANNEL_3);
+	uint16_t myArr = (FREQ_IN / (freqOut * NUM_OF_SINE_SLOT * 4));
 
-	  HAL_TIM_OC_Start(&htim2, TIM_CHANNEL_1);
-	  HAL_TIM_OC_Start(&htim2, TIM_CHANNEL_2);
-	  HAL_TIM_OC_Start(&htim2, TIM_CHANNEL_3);
+	HAL_TIM_OC_Start_IT(&htim1, TIM_CHANNEL_1);
+	HAL_TIM_OC_Start_IT(&htim1, TIM_CHANNEL_2);
+	HAL_TIM_OC_Start_IT(&htim1, TIM_CHANNEL_3);
 
-	  HAL_NVIC_SetPriority(TIM1_CC_IRQn, 0, 0);
-	  HAL_NVIC_EnableIRQ(TIM1_CC_IRQn);
+	HAL_NVIC_SetPriority(TIM1_CC_IRQn, 0, 0);
+	HAL_NVIC_EnableIRQ(TIM1_CC_IRQn);
+
+	__HAL_TIM_SET_AUTORELOAD(&htim3, myArr);
+	HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1);
+	HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_1);
+
+
+	uint16_t slotWidth = __HAL_TIM_GET_AUTORELOAD(&htim2);
+	for (uint8_t i = 0; i < NUM_OF_SINE_SLOT; i++) {
+		IV[i] = (uint16_t)(sineValues[i] * 0.9 * slotWidth);
+	}
+	slotCnt = 0;
+	__HAL_TIM_SET_AUTORELOAD(&htim2, myArr);
+	HAL_GPIO_WritePin(BridgePolarity_GPIO_Port, BridgePolarity_Pin, GPIO_PIN_RESET);
+	HAL_TIM_PWM_Start_DMA(&htim2, TIM_CHANNEL_1, (uint32_t*)IV, NUM_OF_SINE_SLOT);
+
+	__HAL_TIM_ENABLE_IT(&htim2, TIM_IT_UPDATE);
+	HAL_NVIC_SetPriority(TIM2_IRQn, 0, 0);
+	HAL_NVIC_EnableIRQ(TIM2_IRQn);
+
+}
+
+void my_errorHandler() {
+	HAL_GPIO_WritePin(ERROR_PIN_GPIO_Port, ERROR_PIN_Pin, GPIO_PIN_SET);
 }
 
 void my_loop() {
@@ -52,10 +91,19 @@ void my_loop() {
 
 
 void HAL_SYSTICK_Callback() {
-	//HAL_GPIO_TogglePin(LED_PIN_GPIO_Port, LED_PIN_Pin);
 	schUpdate();
 }
 
+void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
+	if (htim->Instance == TIM2) {
+		slotCnt++;
+		if (slotCnt == NUM_OF_SINE_SLOT + 2) {
+			slotCnt = 2;
+			HAL_GPIO_TogglePin(BridgePolarity_GPIO_Port, BridgePolarity_Pin);
+		}
+	}
+}
+
 void HAL_TIM_OC_DelayElapsedCallback(TIM_HandleTypeDef * htim) {
 	if (htim->Instance == TIM1) {
 		if (htim->Channel == HAL_TIM_ACTIVE_CHANNEL_1) {

my_src/main2.h

@@ -12,6 +12,7 @@
 void my_setup_1();
 void my_setup_2();
 void my_loop();
+void my_errorHandler();
 
 
 #endif /* MAIN2_H_ */