void _usbd_control_out(usbd_device *usbd_dev, uint8_t ea)
{
(void)ea;
switch (usbd_dev->control_state.state) {
case DATA_OUT:
if (usb_control_recv_chunk(usbd_dev) < 0) {
break;
}
if ((usbd_dev->control_state.req.wLength -
usbd_dev->control_state.ctrl_len) <=
usbd_dev->desc->bMaxPacketSize0) {
usbd_dev->control_state.state = LAST_DATA_OUT;
}
break;
case LAST_DATA_OUT:
if (usb_control_recv_chunk(usbd_dev) < 0) {
break;
}
/*
* We have now received the full data payload.
* Invoke callback to process.
*/
if (usb_control_request_dispatch(usbd_dev,
&(usbd_dev->control_state.req))) {
/* Got to status stage on success. */
usbd_ep_write_packet(usbd_dev, 0, NULL, 0);
usbd_dev->control_state.state = STATUS_IN;
} else {
stall_transaction(usbd_dev);
}
break;
case STATUS_OUT:
usbd_ep_read_packet(usbd_dev, 0, NULL, 0);
usbd_dev->control_state.state = IDLE;
if (usbd_dev->control_state.complete) {
usbd_dev->control_state.complete(usbd_dev,
&(usbd_dev->control_state.req));
}
usbd_dev->control_state.complete = NULL;
break;
default:
stall_transaction(usbd_dev);
}
}
void _usbd_control_out(u8 ea)
{
(void)ea;
switch (control_state.state) {
case DATA_OUT:
if (usb_control_recv_chunk() < 0)
break;
if ((control_state.req.wLength - control_state.ctrl_len) <=
_usbd_device.desc->bMaxPacketSize0)
control_state.state = LAST_DATA_OUT;
break;
case LAST_DATA_OUT:
if (usb_control_recv_chunk() < 0)
break;
/*
* We have now received the full data payload.
* Invoke callback to process.
*/
if (usb_control_request_dispatch(&control_state.req)) {
/* Got to status stage on success. */
usbd_ep_write_packet(0, NULL, 0);
control_state.state = STATUS_IN;
} else {
usbd_ep_stall_set(0, 1);
}
break;
case STATUS_OUT:
usbd_ep_read_packet(0, NULL, 0);
control_state.state = IDLE;
if (control_state.complete)
control_state.complete(&control_state.req);
control_state.complete = NULL;
break;
default:
usbd_ep_stall_set(0, 1);
}
}
