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| | | #include "ADC.h" |
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| | | #include "main.h" |
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| | | static uint16_t Get_ADC_Value() |
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| | | uint16_t Get_ADC_Value() |
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| | | { |
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| | | HAL_ADC_Start(&hadc); |
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| | | HAL_ADC_PollForConversion(&hadc, 10); |
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| | |
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| | | static uint8_t first=1; |
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| | | HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_RESET); |
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| | | bat_volt = (float)Get_ADC_Value()/621; //(value/4096*3.3*2-3.5)/0.7 |
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| | | HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_RESET); |
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| | | HAL_GPIO_WritePin(GPIOB, BAT_MEAS_GND_Pin, GPIO_PIN_SET); |
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| | | if(bat_volt>=3.5) |
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| | | { |
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| | | if(first) |
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| | |
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| | | last_value = 100; |
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| | | if(last_value<0) |
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| | | last_value = 0; |
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| | | }else{ |
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| | | last_value=0; |
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| | | } |
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| | | return last_value; |
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| | | } |
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