Function rc_i2c_read_byte#

Function Documentation#

int rc_i2c_read_byte(int bus, uint8_t regAddr, uint8_t *data)#

Reads a single byte from a device register.

        This sends the device address and register address to be read
        from before reading the response, works for most i2c devices.

Parameters:
  • bus[in] The bus

  • regAddr[in] The register address

  • data[out] The data pointer to write response to.

Returns:

0 on success or -1 on failure