Function sys_device_read

components/lwp/lwp_syscall.c:5016–5019

* @brief Reads data from an open device. * * This system call reads data from the specified device, starting at the given position and * storing the data in the provided buffer. The device must be open before this function can be called. * The amount of data to read is determined by the `size` parameter. * * @param[in] dev A pointer to the device structure representing the device to rea

 *          Providing an insufficient buffer may result in undefined behavior.
 */
rt_ssize_t sys_device_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
{
    return rt_device_read(dev, pos, buffer, size);
}

/**
 * @brief Writes data to an open device.