forked from forks/qmk_firmware
28 lines
879 B
C
Executable file
28 lines
879 B
C
Executable file
/* Library made by: g4lvanix
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* Github repository: https://github.com/g4lvanix/I2C-master-lib
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*/
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#ifndef I2C_MASTER_H
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#define I2C_MASTER_H
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#define I2C_READ 0x01
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#define I2C_WRITE 0x00
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typedef i2c_status_t int16_t
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#define I2C_STATUS_TIMEOUT (-1)
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#define I2C_NO_TIMEOUT 0
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void i2c_init(void);
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i2c_status_t i2c_start(uint8_t address, uint8_t timeout);
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i2c_status_t i2c_write(uint8_t data, uint8_t timeout);
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i2c_status_t i2c_read_ack(uint8_t timeout);
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i2c_status_t i2c_read_nack(uint8_t timeout);
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uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length);
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uint8_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length);
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uint8_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
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uint8_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
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i2c_status_t i2c_stop(uint8_t timeout);
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#endif // I2C_MASTER_H
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