drivers/avr/i2c_master.h

   1 /* Library made by: g4lvanix
   2  * Github repository: https://github.com/g4lvanix/I2C-master-lib
   3  */
   4
   5 #ifndef I2C_MASTER_H
   6 #define I2C_MASTER_H
   7
   8 #define I2C_READ 0x01
   9 #define I2C_WRITE 0x00
  10
  11 typedef i2c_status_t int16_t
  12 #define I2C_STATUS_TIMEOUT (-1)
  13
  14 #define I2C_NO_TIMEOUT 0
  15
  16 void i2c_init(void);
  17 i2c_status_t i2c_start(uint8_t address, uint8_t timeout);
  18 i2c_status_t i2c_write(uint8_t data, uint8_t timeout);
  19 i2c_status_t i2c_read_ack(uint8_t timeout);
  20 i2c_status_t i2c_read_nack(uint8_t timeout);
  21 uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length);
  22 uint8_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length);
  23 uint8_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
  24 uint8_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
  25 i2c_status_t i2c_stop(uint8_t timeout);
  26
  27 #endif // I2C_MASTER_H