89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
#include "Accelerometer.h"
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double x;
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double y;
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double angle;
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void accelero_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 pc0, pc1;
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LL_ADC_InitTypeDef adc;
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LL_ADC_REG_InitTypeDef adcReg;
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LL_GPIO_StructInit(&pc0);
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pc0.Pin = LL_GPIO_PIN_0;
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pc0.Mode = LL_GPIO_MODE_ANALOG;
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LL_GPIO_Init(GPIOA, &pc0);
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LL_GPIO_StructInit(&pc1);
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pc1.Pin = LL_GPIO_PIN_1;
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pc1.Mode = LL_GPIO_MODE_ANALOG;
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LL_GPIO_Init(GPIOA, &pc1);
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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_SetChannelSamplingTime(ADC2, LL_ADC_CHANNEL_10, LL_ADC_SAMPLINGTIME_1CYCLE_5);
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LL_ADC_SetChannelSamplingTime(ADC2, LL_ADC_CHANNEL_11, LL_ADC_SAMPLINGTIME_1CYCLE_5);
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*/
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LL_ADC_Enable(ADC1);
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//LL_ADC_EnableIT_EOS(ADC1);
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//wait 0,2 µs, calibration is advised
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//LL_ADC_StartCalibration(ADC1);
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}
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double accelero_get_x(void){
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LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_1);
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LL_ADC_REG_StartConversionSWStart(ADC1);
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while (LL_ADC_IsActiveFlag_EOS(ADC1) != 1){
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//__asm__"nope";
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}
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double x= LL_ADC_REG_ReadConversionData12(ADC1);
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return x;
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}
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double accelero_get_y(void){
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LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_11);
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LL_ADC_REG_StartConversionSWStart(ADC1);
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while (LL_ADC_IsActiveFlag_EOS(ADC1) != 1){
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//__asm__"nope";
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}
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double y = LL_ADC_REG_ReadConversionData12(ADC1);
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return y;
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}
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int accelero_angle_bon(void){
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x = accelero_get_x();
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y = accelero_get_y();
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angle = x/y;
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if (angle>tan(0.698132)){
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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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//le flag EOC n'est jamais mis à un ....
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// Soit la conversion est mal faite soit on n'utilise pas bien la simulation
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//soit on n'utilise pas bien isActiveFlag dans la boucle
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}
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