squash stm32g4

src/driver/adc.c

@@ -11,7 +11,7 @@ uint16_t adc_array[ADC_CHAN_MAX];
 adc_channel_t adc_pins[ADC_CHAN_MAX];
 
 extern uint16_t adc_read_raw(adc_chan_t index);
-extern float adc_convert_to_temp(float val);
+extern float adc_convert_to_temp(uint16_t val);
 
 static float adc_convert_to_mv(float value) {
   const float vref = (float)(VREFINT_CAL * VREFINT_CAL_VREF) / (float)adc_read_raw(ADC_CHAN_VREF);

src/driver/at32/adc.c

@@ -149,6 +149,6 @@ uint16_t adc_read_raw(adc_chan_t index) {
   return adc_array[index];
 }
 
-float adc_convert_to_temp(float val) {
+float adc_convert_to_temp(uint16_t val) {
   return (ADC_TEMP_BASE - val * ADC_VREF / 4096) / ADC_TEMP_SLOPE + 25;
 }

src/driver/stm32/adc.c

@@ -155,6 +155,7 @@ static void adc_init_dev(adc_devices_t index) {
   LL_ADC_EnableInternalRegulator(dev->adc);
   time_delay_us(LL_ADC_DELAY_INTERNAL_REGUL_STAB_US);
 
+  LL_ADC_StartCalibration(dev->adc, LL_ADC_SINGLE_ENDED);
   while (LL_ADC_IsCalibrationOnGoing(dev->adc) != 0)
     ;
 
@@ -238,7 +239,7 @@ uint16_t adc_read_raw(adc_chan_t index) {
   return adc_array[index];
 }
 
-float adc_convert_to_temp(float val) {
+float adc_convert_to_temp(uint16_t val) {
 #ifdef STM32H7
   // adc cal is 16bit on h7, shift by 4bit left
   val *= 16;

src/system/stm32g473/system.c

@@ -67,9 +67,9 @@ static void SystemClock_Config(void) {
   RCC_OscInitStruct.LSIState = RCC_LSI_ON;
   RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
   RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
-  RCC_OscInitStruct.PLL.PLLN = 21;
+  RCC_OscInitStruct.PLL.PLLN = 42;
   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
   RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
   RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;