Function rc_i2c_read_bytes

• Defined in File i2c.h

Function Documentation

int rc_i2c_read_bytes(int bus, uint8_t regAddr, size_t count, uint8_t *data)

Reads multiple bytes 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

• count – [in] number of bytes to read

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

Returns:

returns number of bytes read or -1 on failure