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mode_vbat

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mitxela
2025-08-01 19:28:59 +01:00
parent 6ee513efb1
commit 922586d549
2 changed files with 24 additions and 13 deletions
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1
mk4-time/Core/Inc/main.h
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@@ -151,6 +151,7 @@ enum {
MODE_TEXT,
MODE_FIRMWARE_CRC_T,
MODE_FIRMWARE_CRC_D,
MODE_VBAT,
NUM_DISPLAY_MODES
};

36
mk4-time/Core/Src/main.c
View File

@@ -120,6 +120,7 @@ uint8_t uart2_tx_buffer[32];
volatile uint16_t buffer_adc[ADC_BUFFER_SIZE] = {0};
uint16_t buffer_dac[DAC_BUFFER_SIZE] = {[0 ... DAC_BUFFER_SIZE-1] = 4095};
float dac_target=4095;
float vbat = 0.0;
uint16_t buffer_colons_L[200] = {0};
uint16_t buffer_colons_R[200] = {0};
@@ -365,6 +366,9 @@ void sendDate( _Bool now ){
i=1;
}
break;
case MODE_VBAT:
i = sprintf((char*)&uart2_tx_buffer[1], "bat %.4f", vbat);
break;
case MODE_FIRMWARE_CRC_T:
{
extern uint32_t _app_crc[];
@@ -885,6 +889,8 @@ void parseConfigString(char *key, char *value) {
set_mode_enabled(MODE_DEBUG_RTC, value);
} else if (strcasecmp(key, "MODE_TEXT") == 0) {
set_mode_enabled(MODE_TEXT, value);
} else if (strcasecmp(key, "MODE_VBAT") == 0) {
set_mode_enabled(MODE_VBAT, value);
} else if (strcasecmp(key, "MODE_FIRMWARE_CRC") == 0) {
set_mode_enabled(MODE_FIRMWARE_CRC_D, value);
set_mode_enabled(MODE_FIRMWARE_CRC_T, value);
@@ -1421,7 +1427,15 @@ void monitor_vbus(void){
vbus_state = vbus;
}
void measure_vbat(void){
ADC123_COMMON->CCR |= ADC_CCR_VBATEN;
HAL_Delay(5);
HAL_ADC_Start(&hadc3);
HAL_ADC_PollForConversion(&hadc3, 10);
uint16_t adc = HAL_ADC_GetValue(&hadc3);
ADC123_COMMON->CCR &= ~ADC_CCR_VBATEN;
vbat = (float)adc *0.0024102564102564104;//3*3.29/4095.0;
}
uint8_t f_getzcmp(FIL* fp, char * str){
unsigned int rc;
@@ -1971,14 +1985,9 @@ int main(void)
monitor_vbus();
ADC123_COMMON->CCR |= ADC_CCR_VBATEN;
HAL_Delay(5);
HAL_ADC_Start(&hadc3);
HAL_ADC_PollForConversion(&hadc3, 10);
uint16_t vbat = HAL_ADC_GetValue(&hadc3) *3;
ADC123_COMMON->CCR &= ~ADC_CCR_VBATEN;
float vbatf = (float)vbat *0.0008034188034188035;//3.29/4095.0;
sprintf(textDisplay,"bat %.4f",vbatf);
if (displayMode == MODE_VBAT)
measure_vbat();
/* USER CODE END WHILE */
@@ -2139,14 +2148,12 @@ static void MX_ADC3_Init(void)
/* USER CODE BEGIN ADC3_Init 1 */
LL_ADC_StartCalibration(ADC3, LL_ADC_SINGLE_ENDED);
while (LL_ADC_IsCalibrationOnGoing(ADC3) != 0);
/* USER CODE END ADC3_Init 1 */
/** Common config
*/
hadc3.Instance = ADC3;
hadc3.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
hadc3.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV2;
hadc3.Init.Resolution = ADC_RESOLUTION_12B;
hadc3.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc3.Init.ScanConvMode = ADC_SCAN_DISABLE;
@@ -2166,11 +2173,14 @@ static void MX_ADC3_Init(void)
{
Error_Handler();
}
HAL_ADCEx_Calibration_Start(&hadc3, ADC_SINGLE_ENDED);
/** Configure Regular Channel
*/
sConfig.Channel = ADC_CHANNEL_VBAT;
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLETIME_92CYCLES_5;
sConfig.SamplingTime = ADC_SAMPLETIME_640CYCLES_5;
sConfig.SingleDiff = ADC_SINGLE_ENDED;
sConfig.OffsetNumber = ADC_OFFSET_NONE;
sConfig.Offset = 0;