62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
#include <stdbool.h>
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#include <main.h>
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#include <adc.h>
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#include <frontend.h>
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#include <logger.h>
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#include <show.h>
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static volatile int32_t frontendAdcThreshold = 0;
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static volatile bool frontendEnabled = false;
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void frontendInit() {
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HAL_ADCEx_Calibration_Start(&frontendAdc);
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logMsg("frontendInit, calibration done");
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HAL_ADC_Start_IT(&frontendAdc);
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logMsg("frontendInit, adc started");
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}
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void frontendSetThreshold(int32_t threshold) {
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frontendAdcThreshold = threshold;
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}
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void frontendEnable() {
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frontendEnabled = true;
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}
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void frontendDisable() {
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frontendEnabled = false;
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}
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void frontendAdcCallback(ADC_HandleTypeDef* hadc) {
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static int32_t holdValue = 0;
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show(DEBUG_2, TOGGLE);
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if (frontendEnabled) {
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int32_t currentValue = (int32_t) HAL_ADC_GetValue(hadc);
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if (holdValue == 0) {
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holdValue = currentValue;
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}
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if (currentValue - holdValue > frontendAdcThreshold) {
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HAL_GPIO_WritePin(Frontend_Out_GPIO_Port, Frontend_Out_Pin, GPIO_PIN_RESET);
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} else {
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HAL_GPIO_WritePin(Frontend_Out_GPIO_Port, Frontend_Out_Pin, GPIO_PIN_SET);
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}
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} else {
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if (holdValue != 0) {
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holdValue = 0;
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HAL_GPIO_WritePin(Frontend_Out_GPIO_Port, Frontend_Out_Pin, GPIO_PIN_SET);
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}
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}
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}
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