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Clean up USBController.c/.h to more clearly seperate out host and device setup and reset paths.

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Make USBInterrupt.c process all pending USB host mode interrupts before resetting the bus, so that no interrupts are lost when in UID auto-selection mode.
This commit is contained in:
Dean Camera
2010-09-19 05:58:27 +00:00
parent 01fecac0a7
commit e7e1c21bc5
3 changed files with 115 additions and 139 deletions
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LUFA/Drivers/USB/LowLevel/USBInterrupt.c
+9 -4
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@@ -168,6 +168,8 @@ ISR(USB_GEN_vect, ISR_BLOCK)
#endif
#if defined(USB_CAN_BE_HOST)
bool MustResetInterface = false;
if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI))
{
USB_INT_Clear(USB_INT_DDISCI);
@@ -175,8 +177,8 @@ ISR(USB_GEN_vect, ISR_BLOCK)
USB_INT_Disable(USB_INT_DDISCI);
EVENT_USB_Host_DeviceUnattached();
USB_ResetInterface();
MustResetInterface = true;
}
if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI))
@@ -211,7 +213,7 @@ ISR(USB_GEN_vect, ISR_BLOCK)
EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0);
EVENT_USB_Host_DeviceUnattached();
USB_ResetInterface();
MustResetInterface = true;
}
if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI))
@@ -236,8 +238,11 @@ ISR(USB_GEN_vect, ISR_BLOCK)
USB_CurrentMode = USB_GetUSBModeFromUID();
EVENT_USB_UIDChange();
USB_ResetInterface();
MustResetInterface = true;
}
if (MustResetInterface)
USB_ResetInterface();
#endif
}