qmk_firmware/drivers/avr/twi2c.h
2018-06-01 16:37:15 -04:00

22 lines
706 B
C

/* Library made by: g4lvanix
* Github repository: https://github.com/g4lvanix/I2C-master-lib
*/
#ifndef TWI2C_H
#define TWI2C_H
#define I2C_READ 0x01
#define I2C_WRITE 0x00
void twi2c_init(void);
uint8_t twi2c_start(uint8_t address);
uint8_t twi2c_write(uint8_t data);
uint8_t twi2c_read_ack(void);
uint8_t twi2c_read_nack(void);
uint8_t twi2c_transmit(uint8_t address, uint8_t* data, uint16_t length);
uint8_t twi2c_receive(uint8_t address, uint8_t* data, uint16_t length);
uint8_t twi2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
uint8_t twi2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
void twi2c_stop(void);
#endif // I2C_MASTER_H