* @brief Get the system time for ms. * @param us: time of system, uint:ms * @return an enum that represents a status of OSDK */

* @brief Create and initialize the mutex handle. * @param mutex: pointer to the created mutex handle. * @return an enum that represents a status of

* @brief Delete the created mutex. * @param mutex: pointer to the created mutex handle. * @return an enum that represents a status of OSDK */

* @brief Acquire and lock the mutex when peripheral access is required * @param mutex: pointer to the created mutex Handle. * @return an enum that

* @brief Unlock and release the mutex, when done with the peripheral access. * @param mutex: pointer to the created mutex handle. * @return an enum

* @brief Create and initialize the semaphore handle. * @param semaphore: pointer to the created semaphore handle. * @param initValue: initial value

* @brief Delete the created semaphore. * @param semaphore: pointer to the created semaphore handle. * @return an enum that represents a status of OS

* @brief Release the semaphore token. * @param semaphore: pointer to the created semaphore handle. * @return an enum that represents a status of OSD

* @brief Wait the semaphore until token becomes available. * @param semaphore: pointer to the created semaphore handle. * @param waitTime: timeout v

* @brief Wait the semaphore until token becomes available. * @param semaphore: pointer to the created semaphore handle. * @return an enum that repre

* @brief Create task. * @param task: pointer to the created task handle. * @param taskFunc: pointer to the task function. * @param stackSize: st

* @brief Destroy task. * @param task: pointer to the created task handle. * @return an enum that represents a status of OSDK */

* @brief Task sleep function. * @param time_ms: task sleep time. unit: millisecond. * @return an enum that represents a status of OSDK */

* @brief USBBulk interface init function. * @param pid: USBBulk product id. * @param vid: USBBulk vendor id. * @param num: USBBulk interface num.

* @brief Uart interface close function. * @param obj: pointer to the hal object, which including uart interface parameters. * @return an enum that r

* @brief Uart interface init function. * @param port: uart interface port. * @param baudrate: uart interface baudrate. * @param obj: pointer to th

* @brief Uart interface send function. * @param obj: pointer to the hal object, which including uart interface parameters. * @param pBuf: pointer t

* @brief Uart interface send function. * @param obj: pointer to the hal object, which including uart interface parameters. * @param pBuf: pointer t