introduce optional usbd_edpt_claim, usbd_edpt_release which can be used to gain exclusive access to usbd_edpt_xfer

2020-09-09 15:48:11 +07:00
parent 10d5dac913
commit 8b9893cada
3 changed files with 101 additions and 14 deletions
@@ -70,6 +70,12 @@ void usbd_edpt_close(uint8_t rhport, uint8_t ep_addr);
 // Submit a usb transfer
 bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes);

+// Claim an endpoint before submitting a transfer
+bool usbd_edpt_claim(uint8_t rhport, uint8_t ep_addr);
+
+// Release an endpoint without submitting a transfer
+bool usbd_edpt_release(uint8_t rhport, uint8_t ep_addr);
+
 // Check if endpoint transferring is complete
 bool usbd_edpt_busy(uint8_t rhport, uint8_t ep_addr);