added usbd_edpt_xfer/usbd_edpt_busy to replace dcd_edpt_transfer/dcd_edpt_busy()

- improve fifo write/read_n with only one lock
- use usbd_edpt_xfer/usbd_edpt_busy for hid/cdc/msc class driver
- replace cdc read's pending_read_from_host by usbd_edpt_busy()

1 files changed, 13 insertions, 10 deletions

diff --git a/src/device/dcd.h b/src/device/dcd.h
index 35164ac62..bd7088fe4 100644
--- a/src/device/dcd.h
+++ b/src/device/dcd.h
@@ -100,25 +100,28 @@ void dcd_set_config (uint8_t rhport, uint8_t config_num);
 // Wake up host

 void dcd_remote_wakeup(uint8_t rhport);

 

-/*------------------------------------------------------------------*/

-/* Endpoint API

- *  - open        : Configure endpoint's registers

- *  - xfer        : Submit a transfer. When complete dcd_event_xfer_complete

- *                  must be called to notify the stack

- *  - busy        : Check if endpoint transferring is complete (TODO remove)

- *  - stall       : stall endpoint

- *  - clear_stall : clear stall, data toggle is also reset to DATA0

- *------------------------------------------------------------------*/

+//--------------------------------------------------------------------+

+// Endpoint API

+//--------------------------------------------------------------------+

+

+// Configure endpoint's registers according to descriptor

 bool dcd_edpt_open        (uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc);

+

+// Submit a transfer, When complete dcd_event_xfer_complete() is invoked to notify the stack

 bool dcd_edpt_xfer        (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes);

+

+// Check if endpoint transferring is complete (TODO remove)

 bool dcd_edpt_busy        (uint8_t rhport, uint8_t ep_addr);

 

+// Stall endpoint

 void dcd_edpt_stall       (uint8_t rhport, uint8_t ep_addr);

+

+// clear stall, data toggle is also reset to DATA0

 void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr);

 

 /*------------------------------------------------------------------*/

 /* Event Function

- * Called by DCD to notify USBD

+ * Called by DCD to notify device stack

  *------------------------------------------------------------------*/

 void dcd_event_handler(dcd_event_t const * event, bool in_isr);