Method writeBitW

lib/i2cdev/I2Cdev.cpp:486–491

write a single bit in a 16-bit device register. * @param devAddr I2C slave device address * @param regAddr Register regAddr to write to * @param bitNum Bit position to write (0-15) * @param value New bit value to write * @return Status of operation (true = success) */

 * @return Status of operation (true = success)
 */
bool I2Cdev::writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data, void *wireObj) {
    uint16_t w;
    readWord(devAddr, regAddr, &w, I2Cdev::readTimeout, wireObj);
    w = (data != 0) ? (w | (1 << bitNum)) : (w & ~(1 << bitNum));
    return writeWord(devAddr, regAddr, w, wireObj);
}

/** Write multiple bits in an 8-bit device register.
 * @param devAddr I2C slave device address