/**
* @brief initialization parameters for i2c
* @return 0 or 1, 0 is i2c begin success, 1 is i2c begin error
*/
uint8_t begin();
/**
* @brief Set button mode
* @param BUTTON_MODE_ON 0x00
* @param BUTTON_MODE_OFF 0x01
*/
void setButtonMode(uint8_t mode);
/**
* @brief Set light mode
* @param LIGHT_MODE_OFF 0x00
* @param LIGHT_MODE_ON 0x01
*/
void setLightMode(uint8_t mode);
/**
* @brief set voice number
* @param VOICE_NUMBER_0 0x00
* @param VOICE_NUMBER_1 0x01
* @param VOICE_NUMBER_2 0x02
* @param VOICE_NUMBER_3 0x03
* @param VOICE_NUMBER_4 0x04
* @param VOICE_NUMBER_5 0x05
* @param VOICE_NUMBER_6 0x06
* @param VOICE NUMBER 7
0x07
