Prevent written but unused variable warnings on GCC 4.6 with dummy reads.

diff --git a/LUFA/Drivers/USB/Core/AVR8/Endpoint_AVR8.h b/LUFA/Drivers/USB/Core/AVR8/Endpoint_AVR8.h
index f14d483..6aff5cc 100644 (file)
--- a/LUFA/Drivers/USB/Core/AVR8/Endpoint_AVR8.h
+++ b/LUFA/Drivers/USB/Core/AVR8/Endpoint_AVR8.h
@@ -634,6 +634,8 @@
                                uint8_t Dummy;
 
                                Dummy = UEDATX;
+
+                               (void)Dummy;
                        }
 
                        /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
@@ -719,6 +721,8 @@
 
                                Dummy = UEDATX;
                                Dummy = UEDATX;
+
+                               (void)Dummy;
                        }
 
                        /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT
@@ -814,6 +818,8 @@
                                Dummy = UEDATX;
                                Dummy = UEDATX;
                                Dummy = UEDATX;
+
+                               (void)Dummy;
                        }
 
                /* External Variables: */

diff --git a/LUFA/Drivers/USB/Core/AVR8/Pipe_AVR8.h b/LUFA/Drivers/USB/Core/AVR8/Pipe_AVR8.h
index 40eebef..277e282 100644 (file)
--- a/LUFA/Drivers/USB/Core/AVR8/Pipe_AVR8.h
+++ b/LUFA/Drivers/USB/Core/AVR8/Pipe_AVR8.h
@@ -613,6 +613,8 @@
                                uint8_t Dummy;
 
                                Dummy = UPDATX;
+
+                               (void)Dummy;
                        }
 
                        /** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT
@@ -698,6 +700,8 @@
 
                                Dummy = UPDATX;
                                Dummy = UPDATX;
+
+                               (void)Dummy;
                        }
 
                        /** Reads four bytes from the currently selected pipe's bank in little endian format, for OUT
@@ -793,6 +797,8 @@
                                Dummy = UPDATX;
                                Dummy = UPDATX;
                                Dummy = UPDATX;
+
+                               (void)Dummy;
                        }
 
                /* External Variables: */

diff --git a/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h
index d38df8b..8bbb605 100644 (file)
--- a/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h
+++ b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h
@@ -654,6 +654,8 @@
                                uint8_t Dummy;
 
                                Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
+
+                               (void)Dummy;
                        }
 
                        /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
@@ -727,6 +729,8 @@
 
                                Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
                                Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
+
+                               (void)Dummy;
                        }
 
                        /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT
@@ -810,6 +814,8 @@
                                Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
                                Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
                                Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
+
+                               (void)Dummy;
                        }
 
                /* External Variables: */

diff --git a/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h b/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h
index 044dead..25957f2 100644 (file)
--- a/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h
+++ b/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h
@@ -648,6 +648,8 @@
                                uint8_t Dummy;
 
                                Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
+
+                               (void)Dummy;
                        }
 
                        /** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT
@@ -721,6 +723,8 @@
 
                                Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
                                Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
+
+                               (void)Dummy;
                        }
 
                        /** Reads four bytes from the currently selected pipe's bank in little endian format, for OUT
@@ -804,6 +808,8 @@
                                Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
                                Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
                                Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
+
+                               (void)Dummy;
                        }
 
                /* External Variables: */

diff --git a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
index 18fe403..77fb7f7 100644 (file)
--- a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
+++ b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
@@ -288,7 +288,7 @@
        
                                Endpoint_SelectedEndpointHandle->CTRL   = 0;
                                Endpoint_SelectedEndpointHandle->STATUS = (USB_EP_BUSNACK0_bm | USB_EP_BUSNACK1_bm);
-                               Endpoint_SelectedEndpointHandle->CTRL   = (EPTypeMask | Banks | Endpoint_BytesToEPSizeMask(Size));                              
+                               Endpoint_SelectedEndpointHandle->CTRL   = (EPTypeMask | Banks | Endpoint_BytesToEPSizeMask(Size));
                                return true;
                        }