58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#include "Alimentation.h"
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#include "stm32f1xx_ll_adc.h"
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#include "stm32f1xx_ll_bus.h"
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#include "stm32f1xx_ll_rcc.h"
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#include "stm32f1xx_ll_gpio.h"
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#include <math.h>
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void ALIMENTATION_Init(void){
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RCC -> CFGR |= (0x1<<15);
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RCC-> CFGR &= ~ (0x1<<14);
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_ADC1);
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LL_APB1_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
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LL_GPIO_InitTypeDef pc2;
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LL_ADC_InitTypeDef adc;
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LL_ADC_REG_InitTypeDef adcReg;
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LL_GPIO_StructInit(&pc2);
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pc2.Pin = LL_GPIO_PIN_0;
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pc2.Mode = LL_GPIO_MODE_ANALOG;
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LL_GPIO_Init(GPIOC, &pc2);
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adc.DataAlignment = LL_ADC_DATA_ALIGN_RIGHT;
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adc.SequencersScanMode = LL_ADC_SEQ_SCAN_DISABLE;
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LL_ADC_Init(ADC1, &adc);
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adcReg.TriggerSource = LL_ADC_REG_TRIG_SOFTWARE ;
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adcReg.SequencerLength = LL_ADC_REG_SEQ_SCAN_DISABLE;
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adcReg.SequencerDiscont = LL_ADC_REG_SEQ_DISCONT_DISABLE;
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adcReg.ContinuousMode = LL_ADC_REG_CONV_SINGLE;
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adcReg.DMATransfer = LL_ADC_REG_DMA_TRANSFER_NONE;
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LL_ADC_REG_Init(ADC1, &adcReg);
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LL_ADC_Enable(ADC1);
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}
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float ALIMENTATION_GetBatteryLevel(void){
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float u2;
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float battery_level;
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LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_12);
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LL_ADC_REG_StartConversionSWStart(ADC1);
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while (LL_ADC_IsActiveFlag_EOS(ADC1) != 1);
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battery_level = LL_ADC_REG_ReadConversionData12(ADC1);
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u2 = (battery_level*3.3)/4095.0;
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float level = u2*13.0;
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return level;
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}
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int ALIMENTATION_IsLevelEnough(void){
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if (ALIMENTATION_GetBatteryLevel()<(0.8*12)){
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return 0;
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}else{
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return 1;
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}
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}
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