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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-08-25 14:30:42 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-08-25 14:30:42 +0000 |
| commit | f547eb36080dacf275cd94fc3ddfb4c618c587fa (patch) | |
| tree | 492d6749327209f720a40115528a7c38c745b1dd /LUFA/Drivers | |
| parent | 17d06b849440eaab17b0b3778e4dae12182eb98c (diff) | |
| download | lufa-f547eb36080dacf275cd94fc3ddfb4c618c587fa.tar.gz lufa-f547eb36080dacf275cd94fc3ddfb4c618c587fa.tar.bz2 lufa-f547eb36080dacf275cd94fc3ddfb4c618c587fa.zip | |
Optimized Endpoint_Read_Word_* and Pipe_Read_Word_* macros to reduce compiled size.
Fixed Programmer's Notepad project file to reflect new location of AVRISP project.
Diffstat (limited to 'LUFA/Drivers')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Endpoint.h | 24 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Pipe.h | 24 |
2 files changed, 32 insertions, 16 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h index 977c63cfb..652ee8042 100644 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.h +++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h @@ -511,12 +511,16 @@ static inline uint16_t Endpoint_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Endpoint_Read_Word_LE(void)
{
- uint16_t Data;
+ union
+ {
+ uint16_t Word;
+ uint8_t Bytes[2];
+ } Data;
- Data = UEDATX;
- Data |= (((uint16_t)UEDATX) << 8);
+ Data.Bytes[0] = UEDATX;
+ Data.Bytes[1] = UEDATX;
- return Data;
+ return Data.Word;
}
/** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT
@@ -529,12 +533,16 @@ static inline uint16_t Endpoint_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Endpoint_Read_Word_BE(void)
{
- uint16_t Data;
+ union
+ {
+ uint16_t Word;
+ uint8_t Bytes[2];
+ } Data;
- Data = (((uint16_t)UEDATX) << 8);
- Data |= UEDATX;
+ Data.Bytes[1] = UEDATX;
+ Data.Bytes[0] = UEDATX;
- return Data;
+ return Data.Word;
}
/** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h index 3931f8530..beee2eb85 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.h +++ b/LUFA/Drivers/USB/LowLevel/Pipe.h @@ -566,12 +566,16 @@ static inline uint16_t Pipe_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Pipe_Read_Word_LE(void)
{
- uint16_t Data;
+ union
+ {
+ uint16_t Word;
+ uint8_t Bytes[2];
+ } Data;
- Data = UPDATX;
- Data |= (((uint16_t)UPDATX) << 8);
+ Data.Bytes[0] = UPDATX;
+ Data.Bytes[1] = UPDATX;
- return Data;
+ return Data.Word;
}
/** Reads two bytes from the currently selected pipe's bank in big endian format, for OUT
@@ -584,12 +588,16 @@ static inline uint16_t Pipe_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Pipe_Read_Word_BE(void)
{
- uint16_t Data;
+ union
+ {
+ uint16_t Word;
+ uint8_t Bytes[2];
+ } Data;
- Data = (((uint16_t)UPDATX) << 8);
- Data |= UPDATX;
+ Data.Bytes[1] = UPDATX;
+ Data.Bytes[0] = UPDATX;
- return Data;
+ return Data.Word;
}
/** Writes two bytes to the currently selected pipe's bank in little endian format, for IN
|