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Function rc_i2c_read_word

Function Documentation

int rc_i2c_read_word(int bus, uint8_t regAddr, uint16_t *data)

Reads a single word (16 bits) 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