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Add checks to the endpoint and pipe configure functions and fail if the requested endpoint or pipe number is above the maximum for that device.

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This commit is contained in:
Dean Camera
2012-06-10 19:53:20 +00:00
parent 9ab445518a
commit c41bbf9fcc
6 changed files with 24 additions and 4 deletions
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6
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
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@@ -246,8 +246,12 @@
{
uint8_t EPConfigMask = (USB_EP_INTDSBL_bm | ((Banks > 1) ? USB_EP_PINGPONG_bm : 0) | Endpoint_BytesToEPSizeMask(Size));
if ((Address & ENDPOINT_EPNUM_MASK) >= ENDPOINT_TOTAL_ENDPOINTS)
return false;
// TODO - Fix once limitations are lifted
if ((Banks > 1) || (Size > 64))
EPConfigMask &= ~USB_EP_PINGPONG_bm;
if (Size > 64)
return false;
switch (Type)

2
LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c
View File

@@ -76,7 +76,7 @@ void USB_Init(
USB.CAL1 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL1));
NVM.CMD = 0;
/* Ugly workaround to ensure an aligned table, since __BIGGEST_ALIGNMENT__ == 1 for 8-bit AVR-GCC */
/* Ugly workaround to ensure an aligned table, since __BIGGEST_ALIGNMENT__ == 1 for the 8-bit AVR-GCC toochain */
USB.EPPTR = ((intptr_t)&USB_EndpointTable[1] & ~(1 << 0));
USB.CTRLA = (USB_STFRNUM_bm | ((ENDPOINT_TOTAL_ENDPOINTS - 1) << USB_MAXEP_gp));