| | |
| | | #include "main.h" |
| | | uint16_t Get_ADC_Value() |
| | | { |
| | | HAL_ADC_Start(&hadc); |
| | | HAL_ADC_PollForConversion(&hadc, 10); |
| | | if(HAL_IS_BIT_SET(HAL_ADC_GetState(&hadc), HAL_ADC_STATE_REG_EOC)) |
| | | { |
| | | return HAL_ADC_GetValue(&hadc); |
| | | } |
| | | //HAL_ADC_Start(&hadc); |
| | | // HAL_ADC_PollForConversion(&hadc, 10); |
| | | // if(HAL_IS_BIT_SET(HAL_ADC_GetState(&hadc), HAL_ADC_STATE_REG_EOC)) |
| | | // { |
| | | // return HAL_ADC_GetValue(&hadc); |
| | | // } |
| | | } |
| | | float bat_volt; |
| | | uint8_t Get_Battary(void) |
| | | {static float last_value = 100; |
| | | static uint8_t first=1; |
| | | HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_RESET); |
| | | //HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_RESET); |
| | | bat_volt = (float)Get_ADC_Value()/621; //(value/4096*3.3*2-3.5)/0.7 |
| | | HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_SET); |
| | | //HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_SET); |
| | | if(bat_volt>=3.5) |
| | | { |
| | | if(first) |