62 lines
1.3 KiB
C

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