dash/proxmark3
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Send Stall in response to USB SET FEATURE or CLEAR FEATURE requests. Speeds up device enumeration on linux by 10s.

Browse Source
This commit is contained in:
henryk@ploetzli.ch
2009-08-28 00:44:09 +00:00
parent ba8a80b30c
commit 8e19377db1
1 changed files with 15 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
common/usb.c
View File

@@ -259,6 +259,19 @@ static void UsbSendZeroLength(void)
;
}
static void UsbSendStall(void)
{
UDP_ENDPOINT_CSR(0) |= UDP_CSR_FORCE_STALL;
while(!(UDP_ENDPOINT_CSR(0) & UDP_CSR_STALL_SENT))
;
UDP_ENDPOINT_CSR(0) &= ~UDP_CSR_STALL_SENT;
while(UDP_ENDPOINT_CSR(0) & UDP_CSR_STALL_SENT)
;
}
static void HandleRxdSetupData(void)
{
int i;
@@ -346,6 +359,8 @@ static void HandleRxdSetupData(void)
case USB_REQUEST_CLEAR_FEATURE:
case USB_REQUEST_SET_FEATURE:
UsbSendStall();
break;
case USB_REQUEST_SET_DESCRIPTOR:
case USB_REQUEST_SYNC_FRAME:
default: