/**
* This function will run cdc class, it will be called on handle set configuration request.
*
* @param device the usb device object.
*
* @return RT_EOK on successful.
*/
static rt_err_t _class_run(udevice_t device)
{
RT_ASSERT(device != RT_NULL);
RT_DEBUG_LOG(RT_DEBUG_USB, ("cdc class run\n"));
dcd_ep_read(device->dcd, ep_out, ep_out->buffer,
ep_out->ep_desc->wMaxPacketSize);
return RT_EOK;
}
/**
* This function will run cdc class, it will be called on handle set configuration request.
*
* @param device the usb device object.
*
* @return RT_EOK on successful.
*/
static rt_err_t _class_run(udevice_t device, uclass_t cls)
{
cdc_eps_t eps;
RT_ASSERT(device != RT_NULL);
RT_DEBUG_LOG(RT_DEBUG_USB, ("cdc class run\n"));
eps = (cdc_eps_t)cls->eps;
eps->ep_in->buffer=tx_pool;
eps->ep_out->buffer=rx_pool;
dcd_ep_read(device->dcd, eps->ep_out, eps->ep_out->buffer,
eps->ep_out->ep_desc->wMaxPacketSize);
return RT_EOK;
}
/**
* This function will handle cdc bulk out endpoint request.
*
* @param device the usb device object.
* @param size request size.
*
* @return RT_EOK.
*/
static rt_err_t _ep_out_handler(udevice_t device, rt_size_t size)
{
rt_uint32_t level;
RT_ASSERT(device != RT_NULL);
/* receive data from USB VCOM */
level = rt_hw_interrupt_disable();
rt_ringbuffer_put(&rx_ringbuffer, ep_out->buffer, size);
rt_hw_interrupt_enable(level);
/* notify receive data */
rt_hw_serial_isr(&vcom_serial);
dcd_ep_read(device->dcd, ep_out, ep_out->buffer,
ep_out->ep_desc->wMaxPacketSize);
return RT_EOK;
}
/**
* This function will handle cdc_set_line_coding request.
*
* @param device the usb device object.
* @param setup the setup request.
*
* @return RT_EOK on successful.
*/
static rt_err_t _cdc_set_line_coding(udevice_t device, ureq_t setup)
{
struct ucdc_line_coding data;
rt_err_t ret;
RT_ASSERT(device != RT_NULL);
RT_ASSERT(setup != RT_NULL);
rt_completion_init(&device->dcd->completion);
dcd_ep_read(device->dcd, 0, (void*)&data, setup->length);
ret = rt_completion_wait(&device->dcd->completion, 100);
if(ret != RT_EOK)
{
rt_kprintf("_cdc_set_line_coding timeout\n");
}
return RT_EOK;
}