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-rw-r--r--LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c15
-rw-r--r--LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c22
-rw-r--r--LUFA/Drivers/USB/LowLevel/Endpoint.c8
3 files changed, 26 insertions, 19 deletions
diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c
index 43abe6e1e..c8bfaeb70 100644
--- a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c
@@ -8,13 +8,14 @@ uint8_t TEMPLATE_FUNC_NAME (void* Buffer,
while (Length)
{
- if (Endpoint_IsSETUPReceived())
- return ENDPOINT_RWCSTREAM_HostAborted;
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
- if (USB_DeviceState == DEVICE_STATE_Unattached)
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
- else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
return ENDPOINT_RWCSTREAM_BusSuspended;
+ else if (Endpoint_IsSETUPReceived())
+ return ENDPOINT_RWCSTREAM_HostAborted;
if (Endpoint_IsOUTReceived())
{
@@ -30,9 +31,11 @@ uint8_t TEMPLATE_FUNC_NAME (void* Buffer,
while (!(Endpoint_IsINReady()))
{
- if (USB_DeviceState == DEVICE_STATE_Unattached)
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
- else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
return ENDPOINT_RWCSTREAM_BusSuspended;
}
diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
index c9d81f3db..0ae7febc4 100644
--- a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
@@ -11,17 +11,17 @@ uint8_t TEMPLATE_FUNC_NAME (const void* Buffer,
while (Length || LastPacketFull)
{
- if (Endpoint_IsSETUPReceived())
- return ENDPOINT_RWCSTREAM_HostAborted;
-
- if (Endpoint_IsOUTReceived())
- break;
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
- if (USB_DeviceState == DEVICE_STATE_Unattached)
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
- else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
return ENDPOINT_RWCSTREAM_BusSuspended;
-
+ else if (Endpoint_IsSETUPReceived())
+ return ENDPOINT_RWCSTREAM_HostAborted;
+ else if (Endpoint_IsOUTReceived())
+ break;
+
if (Endpoint_IsINReady())
{
uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint();
@@ -40,9 +40,11 @@ uint8_t TEMPLATE_FUNC_NAME (const void* Buffer,
while (!(Endpoint_IsOUTReceived()))
{
- if (USB_DeviceState == DEVICE_STATE_Unattached)
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
- else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
return ENDPOINT_RWCSTREAM_BusSuspended;
}
diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c
index fc54e115a..fc2bff154 100644
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.c
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c
@@ -115,10 +115,12 @@ uint8_t Endpoint_WaitUntilReady(void)
return ENDPOINT_READYWAIT_NoError;
}
- if (USB_DeviceState == DEVICE_STATE_Unattached)
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
return ENDPOINT_READYWAIT_DeviceDisconnected;
- else if (USB_DeviceState == DEVICE_STATE_Suspended)
- return ENDPOINT_READYWAIT_BusSuspended;
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+ return ENDPOINT_READYWAIT_BusSuspended;
else if (Endpoint_IsStalled())
return ENDPOINT_READYWAIT_EndpointStalled;