Re-add in old Endpoint/Pipe workaround for unordered pipes - add new ORDERED_EP_CONFIG compile time option to override the workaround and use the previous behaviour that imposes correct Endpoint/Pipe ordering but produces smaller compiled code.

1 files changed, 46 insertions, 0 deletions

diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c
index a7b1e4b58..56c73fc48 100644
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.c
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c
@@ -43,6 +43,7 @@ bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
                                     const uint8_t UECFG0XData,
                                     const uint8_t UECFG1XData)
 {
+#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG)
 	Endpoint_SelectEndpoint(Number);
 	Endpoint_EnableEndpoint();
 
@@ -51,6 +52,51 @@ bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
 	UECFG1X = UECFG1XData;
 
 	return Endpoint_IsConfigured();
+#else
+	uint8_t UECFG0XTemp[ENDPOINT_TOTAL_ENDPOINTS];
+	uint8_t UECFG1XTemp[ENDPOINT_TOTAL_ENDPOINTS];
+	uint8_t UEIENXTemp[ENDPOINT_TOTAL_ENDPOINTS];
+	
+	for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+	{
+		Endpoint_SelectEndpoint(EPNum);
+		UECFG0XTemp[EPNum] = UECFG0X;
+		UECFG1XTemp[EPNum] = UECFG1X;
+		UEIENXTemp[EPNum]  = UEIENX;
+	}
+	
+	UECFG0XTemp[Number] = UECFG0XData;
+	UECFG1XTemp[Number] = UECFG1XData;
+	UEIENXTemp[Number]  = 0;
+	
+	for (uint8_t EPNum = 1; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+	{
+		Endpoint_SelectEndpoint(EPNum);	
+		UEIENX  = 0;
+		UEINTX  = 0;
+		UECFG1X = 0;
+		Endpoint_DisableEndpoint();
+	}
+
+	for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+	{
+		if (!(UECFG1XTemp[EPNum] & (1 << ALLOC)))
+		  continue;
+		
+		Endpoint_SelectEndpoint(EPNum);		
+		Endpoint_EnableEndpoint();
+
+		UECFG0X = UECFG0XTemp[EPNum];
+		UECFG1X = UECFG1XTemp[EPNum];
+		UEIENX  = UEIENXTemp[EPNum];
+		
+		if (!(Endpoint_IsConfigured()))
+		  return false;
+	}
+	
+	Endpoint_SelectEndpoint(Number);
+	return true;
+#endif
 }
 
 void Endpoint_ClearEndpoints(void)