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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.

  • bus[in] The bus

  • regAddr[in] The register address

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


0 on success or -1 on failure