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Use an early-abort in the USB_DeviceTask() function rather than wrapping the entire implementation in a conditional.

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This commit is contained in:
Dean Camera 2012-09-01 22:55:56 +00:00
parent c4aeb6d5ab
commit b9f3ff39a4
1 changed files with 8 additions and 8 deletions
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16
LUFA/Drivers/USB/Core/USBTask.c
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@ -60,17 +60,17 @@ void USB_USBTask(void)
#if defined(USB_CAN_BE_DEVICE) #if defined(USB_CAN_BE_DEVICE)
static void USB_DeviceTask(void) static void USB_DeviceTask(void)
{ {
if (USB_DeviceState != DEVICE_STATE_Unattached) if (USB_DeviceState == DEVICE_STATE_Unattached)
{ return;
uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
if (Endpoint_IsSETUPReceived()) Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
USB_Device_ProcessControlRequest();
Endpoint_SelectEndpoint(PrevEndpoint); if (Endpoint_IsSETUPReceived())
} USB_Device_ProcessControlRequest();
Endpoint_SelectEndpoint(PrevEndpoint);
} }
#endif #endif