Method readBitW

lib/i2cdev/I2Cdev.cpp:121–126

Read a single bit from a 16-bit device register. * @param devAddr I2C slave device address * @param regAddr Register regAddr to read from * @param bitNum Bit position to read (0-15) * @param data Container for single bit value * @param timeout Optional read timeout in milliseconds (0 to disable, leave off to use default class value in I2Cdev::readTimeout) * @return Status of read operation (

 * @return Status of read operation (true = success)
 */
int8_t I2Cdev::readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout, void *wireObj) {
    uint16_t b;
    uint8_t count = readWord(devAddr, regAddr, &b, timeout, wireObj);
    *data = b & (1 << bitNum);
    return count;
}

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