forked from forks/qmk_firmware
32 lines
1 KiB
C
Executable file
32 lines
1 KiB
C
Executable file
/* Library made by: g4lvanix
|
|
* Github repository: https://github.com/g4lvanix/I2C-master-lib
|
|
*/
|
|
|
|
#ifndef I2C_MASTER_H
|
|
#define I2C_MASTER_H
|
|
|
|
#define I2C_READ 0x01
|
|
#define I2C_WRITE 0x00
|
|
|
|
typedef int16_t i2c_status_t;
|
|
|
|
#define I2C_STATUS_SUCCESS (0)
|
|
#define I2C_STATUS_ERROR (-1)
|
|
#define I2C_STATUS_TIMEOUT (-2)
|
|
|
|
#define I2C_TIMEOUT_IMMEDIATE (0)
|
|
#define I2C_TIMEOUT_INFINITE (0xFFFF)
|
|
|
|
void i2c_init(void);
|
|
i2c_status_t i2c_start(uint8_t address, uint16_t timeout);
|
|
i2c_status_t i2c_write(uint8_t data, uint16_t timeout);
|
|
int16_t i2c_read_ack(uint16_t timeout);
|
|
int16_t i2c_read_nack(uint16_t timeout);
|
|
i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout);
|
|
i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
|
|
i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout);
|
|
i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
|
|
void i2c_stop(void);
|
|
|
|
#endif // I2C_MASTER_H
|