#ifndef UTILS_H
#define UTILS_H

int hex2bytes(const char *str, uint8_t *bytes, int32_t length);
void bytes2hex(const uint8_t *bytes, int32_t length, char *str, int32_t strLength);
int Rssi2Quality(sint8 rssi);

class Debounce
{
	static constexpr uint8_t UPPER = 0b10000000;
	static constexpr uint8_t LOWER = 0b01111111;
public:
	Debounce();
	Debounce(bool signal);
	void init(bool signal);
	/* Return value:
	 *  0: no change
	 * -1: LOW/False (falling edge)
	 *  1: HIGH/True (rising edge)
	 */
	int8_t debounce(bool signal);
private:
	uint8_t state;
};

#endif