C++ (Cpp) i2c_hid_set_power示例

示例#1

文件： VoodooI2CHIDDevice.cpp 项目： nuudles/VoodooI2C

bool VoodooI2CHIDDevice::i2c_hid_hwreset(i2c_hid *ihid) {
    int ret;
    
    ret = i2c_hid_set_power(ihid, I2C_HID_PWR_ON);
    
    if (ret)
        return ret;

    ret = i2c_hid_command(ihid, &hid_reset_cmd, NULL, 0);
    if (ret) {
        i2c_hid_set_power(ihid, I2C_HID_PWR_SLEEP);
        return ret;
    }
    
    return 0;
};

示例#2

文件： VoodooI2CHIDDevice.cpp 项目： maximevince/VoodooI2CPCI

bool VoodooI2CHIDDevice::i2c_hid_hwreset(i2c_hid *ihid) {
    int ret;
    unsigned char buf[2];
    
    ret = i2c_hid_set_power(ihid, I2C_HID_PWR_ON);
    
    if (ret)
        return ret;

    /* Need to read back two NULL bytes after reset! */
    ret = i2c_hid_command(ihid, &hid_reset_cmd, buf, 2);
    if (ret || (*buf != 0) || (*(buf+1) != 0))
    {
        i2c_hid_set_power(ihid, I2C_HID_PWR_SLEEP);
        return ret;
    }
    
    return 0;
};