#ifndef ADC_H
#define ADC_H

class ADC {

public:
	static uint16_t getA0() {
		return 0xffff & system_adc_read();
	}

	static uint16_t getVcc() {
		static constexpr float SCALER = 1.93;	// divider of 10k / 10k -> * 2
		static constexpr int V_REF = 330;	// 3.3 volt
		static constexpr int MUL = SCALER * V_REF;
		return getA0() * MUL / 1024;
	}

};


#endif // ADC_H