diff options
Diffstat (limited to 'firmware/target/arm/as3525/usb-drv-as3525v2.c')
| -rw-r--r-- | firmware/target/arm/as3525/usb-drv-as3525v2.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/firmware/target/arm/as3525/usb-drv-as3525v2.c b/firmware/target/arm/as3525/usb-drv-as3525v2.c index df85994c5c..1d21ca7d5d 100644 --- a/firmware/target/arm/as3525/usb-drv-as3525v2.c +++ b/firmware/target/arm/as3525/usb-drv-as3525v2.c @@ -285,6 +285,7 @@ static void reset_endpoints(void) { endpoints[ep][DIR_IN].active = false; endpoints[ep][DIR_IN].busy = false; + endpoints[ep][DIR_IN].status = -1; if(endpoints[ep][DIR_IN].wait) wakeup_signal(&endpoints[ep][DIR_IN].complete); endpoints[ep][DIR_IN].wait = false; @@ -298,6 +299,7 @@ static void reset_endpoints(void) { endpoints[ep][DIR_OUT].active = false; endpoints[ep][DIR_OUT].busy = false; + endpoints[ep][DIR_OUT].status = -1; if(endpoints[ep][DIR_OUT].wait) wakeup_signal(&endpoints[ep][DIR_OUT].complete); endpoints[ep][DIR_OUT].wait = false; @@ -324,7 +326,7 @@ static void cancel_all_transfers(bool cancel_ep0) unsigned i, ep; FOR_EACH_IN_EP_EX(cancel_ep0, i, ep) { - endpoints[ep][DIR_IN].status = 1; + endpoints[ep][DIR_IN].status = -1; endpoints[ep][DIR_IN].wait = false; endpoints[ep][DIR_IN].busy = false; wakeup_signal(&endpoints[ep][DIR_IN].complete); @@ -332,7 +334,7 @@ static void cancel_all_transfers(bool cancel_ep0) } FOR_EACH_OUT_EP_EX(cancel_ep0, i, ep) { - endpoints[ep][DIR_OUT].status = 1; + endpoints[ep][DIR_OUT].status = -1; endpoints[ep][DIR_OUT].wait = false; endpoints[ep][DIR_OUT].busy = false; wakeup_signal(&endpoints[ep][DIR_OUT].complete); @@ -498,7 +500,7 @@ static void handle_ep_int(int ep, bool dir_in) if(endpoint->busy) { endpoint->busy = false; - endpoint->status = 1; + endpoint->status = -1; /* for safety, act as if no bytes as been transfered */ endpoint->len = 0; usb_core_transfer_complete(ep, USB_DIR_IN, 1, 0); @@ -746,7 +748,7 @@ static int usb_drv_transfer(int ep, void *ptr, int len, bool dir_in, bool blocki endpoint->busy = true; endpoint->len = len; endpoint->wait = blocking; - endpoint->status = 0; + endpoint->status = -1; DEPCTL &= ~DEPCTL_stall; DEPCTL |= DEPCTL_usbactep; @@ -774,9 +776,11 @@ static int usb_drv_transfer(int ep, void *ptr, int len, bool dir_in, bool blocki DEPCTL |= DEPCTL_epena | DEPCTL_cnak; if(blocking) + { wakeup_wait(&endpoint->complete, TIMEOUT_BLOCK); - if(endpoint->status != 0) - return -1; + return endpoint->status; + } + return 0; #undef DEPCTL @@ -831,4 +835,3 @@ bool usb_drv_stalled(int ep, bool in) { return (in ? DIEPCTL(ep) : DOEPCTL(ep)) & DEPCTL_stall; } - |