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

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This commit is contained in:
Dean Camera 2011-10-09 12:54:50 +00:00
parent a4d67bb6ff
commit 68e777e16b
5 changed files with 25 additions and 1 deletions
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6
LUFA/Drivers/USB/Core/AVR8/Endpoint_AVR8.h
View file

@ -634,6 +634,8 @@
uint8_t Dummy; uint8_t Dummy;
Dummy = UEDATX; Dummy = UEDATX;
(void)Dummy;
} }
/** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
@ -719,6 +721,8 @@
Dummy = UEDATX; Dummy = UEDATX;
Dummy = UEDATX; Dummy = UEDATX;
(void)Dummy;
} }
/** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT /** 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; Dummy = UEDATX;
Dummy = UEDATX; Dummy = UEDATX;
(void)Dummy;
} }
/* External Variables: */ /* External Variables: */

6
LUFA/Drivers/USB/Core/AVR8/Pipe_AVR8.h
View file

@ -613,6 +613,8 @@
uint8_t Dummy; uint8_t Dummy;
Dummy = UPDATX; Dummy = UPDATX;
(void)Dummy;
} }
/** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT /** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT
@ -698,6 +700,8 @@
Dummy = UPDATX; Dummy = UPDATX;
Dummy = UPDATX; Dummy = UPDATX;
(void)Dummy;
} }
/** Reads four bytes from the currently selected pipe's bank in little endian format, for OUT /** 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; Dummy = UPDATX;
Dummy = UPDATX; Dummy = UPDATX;
(void)Dummy;
} }
/* External Variables: */ /* External Variables: */

6
LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h
View file

@ -654,6 +654,8 @@
uint8_t Dummy; uint8_t Dummy;
Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
(void)Dummy;
} }
/** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT /** 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]++);
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 /** 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]++); Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
(void)Dummy;
} }
/* External Variables: */ /* External Variables: */

6
LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h
View file

@ -648,6 +648,8 @@
uint8_t Dummy; uint8_t Dummy;
Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++); Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
(void)Dummy;
} }
/** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT /** 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]++);
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 /** 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]++); Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++); Dummy = *(USB_PipeFIFOPos[USB_SelectedPipe]++);
(void)Dummy;
} }
/* External Variables: */ /* External Variables: */

2
LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
View file

@ -288,7 +288,7 @@
Endpoint_SelectedEndpointHandle->CTRL = 0; Endpoint_SelectedEndpointHandle->CTRL = 0;
Endpoint_SelectedEndpointHandle->STATUS = (USB_EP_BUSNACK0_bm | USB_EP_BUSNACK1_bm); 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; return true;
} }