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defer DCD_EVENT_BUS_RESET, DCD_EVENT_UNPLUGGED to usbd task

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This commit is contained in:
hathach 2018-11-02 17:29:49 +07:00
parent f6076b0e06
commit e9de56ad83
1 changed files with 30 additions and 35 deletions
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65
src/device/usbd.c
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@ -212,6 +212,18 @@ tusb_error_t usbd_init (void)
return TUSB_ERROR_NONE;
}
static void usbd_reset(uint8_t rhport)
{
tu_varclr(&_usbd_dev);
memset(_usbd_dev.itf2drv, 0xff, sizeof(_usbd_dev.itf2drv)); // invalid mapping
memset(_usbd_dev.ep2drv , 0xff, sizeof(_usbd_dev.ep2drv )); // invalid mapping
for (uint8_t i = 0; i < USBD_CLASS_DRIVER_COUNT; i++)
{
if ( usbd_class_drivers[i].reset ) usbd_class_drivers[i].reset( rhport );
}
}
// To enable the TASK_ASSERT style (quick return on false condition) in a real RTOS, a task must act as a wrapper
// and is used mainly to call subtasks. Within a subtask return statement can be called freely, the task with
// forever loop cannot have any return at all.
@ -236,9 +248,9 @@ static tusb_error_t usbd_main_st(void)
// Loop until there is no more events in the queue
while (1)
{
tusb_error_t err;
err = TUSB_ERROR_NONE;
uint32_t err;
err = TUSB_ERROR_NONE;
tu_memclr(&event, sizeof(dcd_event_t));
osal_queue_receive(_usbd_q, &event, OSAL_TIMEOUT_WAIT_FOREVER, &err);
@ -258,6 +270,20 @@ static tusb_error_t usbd_main_st(void)
usbd_class_drivers[drv_id].xfer_cb( event.rhport, ep_addr, (tusb_event_t) event.xfer_complete.result, event.xfer_complete.len);
}
}
else if (DCD_EVENT_BUS_RESET == event.event_id)
{
usbd_reset(event.rhport);
osal_queue_reset(_usbd_q);
osal_semaphore_reset(_usbd_ctrl_sem);
}
else if (DCD_EVENT_UNPLUGGED == event.event_id)
{
usbd_reset(event.rhport);
osal_queue_reset(_usbd_q);
osal_semaphore_reset(_usbd_ctrl_sem);
tud_umount_cb(); // invoke callback
}
else if (DCD_EVENT_SOF == event.event_id)
{
for (uint8_t i = 0; i < USBD_CLASS_DRIVER_COUNT; i++)
@ -281,18 +307,6 @@ static tusb_error_t usbd_main_st(void)
OSAL_SUBTASK_END
}
static void usbd_reset(uint8_t rhport)
{
tu_varclr(&_usbd_dev);
memset(_usbd_dev.itf2drv, 0xff, sizeof(_usbd_dev.itf2drv)); // invalid mapping
memset(_usbd_dev.ep2drv , 0xff, sizeof(_usbd_dev.ep2drv )); // invalid mapping
for (uint8_t i = 0; i < USBD_CLASS_DRIVER_COUNT; i++)
{
if ( usbd_class_drivers[i].reset ) usbd_class_drivers[i].reset( rhport );
}
}
//--------------------------------------------------------------------+
// CONTROL REQUEST
//--------------------------------------------------------------------+
@ -539,28 +553,9 @@ void dcd_event_handler(dcd_event_t const * event, bool in_isr)
switch (event->event_id)
{
case DCD_EVENT_BUS_RESET:
usbd_reset(rhport);
osal_queue_flush(_usbd_q);
osal_semaphore_reset_isr(_usbd_ctrl_sem);
break;
case DCD_EVENT_SOF:
{
#if 0
dcd_event_t task_event =
{
.rhport = rhport,
.event_id = DCD_EVENT_SOF,
};
osal_queue_send(_usbd_q, &task_event, in_isr);
#endif
}
break;
case DCD_EVENT_UNPLUGGED:
usbd_reset(rhport);
tud_umount_cb(); // invoke callback
case DCD_EVENT_SOF:
osal_queue_send(_usbd_q, event, in_isr);
break;
case DCD_EVENT_SUSPENDED: