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| -rw-r--r-- | docs/i2c_driver.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/i2c_driver.md b/docs/i2c_driver.md index 856ca0a9b..d5c340edc 100644 --- a/docs/i2c_driver.md +++ b/docs/i2c_driver.md @@ -7,7 +7,7 @@ The I2C Master drivers used in QMK have a set of common functions to allow porta |Function |Description | |------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------| |`void i2c_init(void);` |Initializes the I2C driver. This function should be called once before any transaction is initiated. | -|`uint8_t i2c_start(uint8_t address);` |Starts an I2C transaction. Address is the 7-bit slave address without the direction bit. | +|`uint8_t i2c_start(uint8_t address, uint16_t timeout);` |Starts an I2C transaction. Address is the 7-bit slave address without the direction bit. | |`uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);` |Transmit data over I2C. Address is the 7-bit slave address without the direction. Returns status of transaction. | |`uint8_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);` |Receive data over I2C. Address is the 7-bit slave address without the direction. Saves number of bytes specified by `length` in `data` array. Returns status of transaction. | |`uint8_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);` |Same as the `i2c_transmit` function but `regaddr` sets where in the slave the data will be written. | |