When unstalling, EP must be marked as not busy. Also, mark EP as busy when stalling as xfer requests should fail.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/device/usbd.c b/src/device/usbd.c
index b7a44d24e..e0148dc97 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -870,6 +870,7 @@ void usbd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
 

   dcd_edpt_stall(rhport, ep_addr);

   _usbd_dev.ep_stall_map[dir] = (uint8_t) tu_bit_set(_usbd_dev.ep_stall_map[dir], epnum);

+  _usbd_dev.ep_busy_map[dir] = (uint8_t) tu_bit_set(_usbd_dev.ep_busy_map[dir], epnum);

 }

 

 void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)

@@ -878,6 +879,7 @@ void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
   uint8_t const dir   = tu_edpt_dir(ep_addr);

 

   dcd_edpt_clear_stall(rhport, ep_addr);

+  _usbd_dev.ep_busy_map[dir] = (uint8_t) tu_bit_clear(_usbd_dev.ep_busy_map[dir], epnum);

   _usbd_dev.ep_stall_map[dir] = (uint8_t) tu_bit_clear(_usbd_dev.ep_stall_map[dir], epnum);

 }