#include "gas_sensor.h"
#include "bsp/bsp.h"
#include "bsp/adc.h"

static gas_t _gas;
void gas_sensor_init(void){
	_gas.voltage = 0;
	_gas.lowpass = 5;
	gas_sample_voltage();
}

void gas_sample_voltage(void){
	u32 vadc = adc_sample_regular_channel(HANDLERBAR_CHAN, 16);
	_gas.voltage = ((float)vadc)/(65536.0f) * ADC_REFERENCE_VOLTAGE;
}


float gas_get_value(void){

	return _gas.voltage/ADC_REFERENCE_VOLTAGE;
}

/* 检测到有效转把信号 */
bool gas_detect_speed_signal(void) {
	return gas_get_value() >= 1.0f;
}