diff options
Diffstat (limited to 'LUFA/Drivers')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Pipe.c | 10 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Pipe.h | 19 |
2 files changed, 28 insertions, 1 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c index 189aaa63b..35ba480cd 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.c +++ b/LUFA/Drivers/USB/LowLevel/Pipe.c @@ -113,6 +113,8 @@ uint8_t Pipe_Write_Stream_LE(const void* Data, uint16_t Length uint8_t* DataStream = (uint8_t*)Data;
uint8_t ErrorCode;
+ Pipe_SetToken(PIPE_TOKEN_OUT);
+
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
@@ -149,6 +151,8 @@ uint8_t Pipe_Write_Stream_BE(const void* Data, uint16_t Length uint8_t* DataStream = (uint8_t*)(Data + Length - 1);
uint8_t ErrorCode;
+ Pipe_SetToken(PIPE_TOKEN_OUT);
+
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
@@ -184,6 +188,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length {
uint8_t ErrorCode;
+ Pipe_SetToken(PIPE_TOKEN_IN);
+
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
@@ -220,6 +226,8 @@ uint8_t Pipe_Read_Stream_LE(void* Buffer, uint16_t Length uint8_t* DataStream = (uint8_t*)Buffer;
uint8_t ErrorCode;
+ Pipe_SetToken(PIPE_TOKEN_IN);
+
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
@@ -256,6 +264,8 @@ uint8_t Pipe_Read_Stream_BE(void* Buffer, uint16_t Length uint8_t* DataStream = (uint8_t*)(Buffer + Length - 1);
uint8_t ErrorCode;
+ Pipe_SetToken(PIPE_TOKEN_IN);
+
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h index 82d9b69d4..30f2d387c 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.h +++ b/LUFA/Drivers/USB/LowLevel/Pipe.h @@ -730,7 +730,9 @@ *
* The banking mode may be either \ref PIPE_BANK_SINGLE or \ref PIPE_BANK_DOUBLE.
*
- * A newly configured pipe is frozen by default, and must be unfrozen before use via the \ref Pipe_Unfreeze() macro.
+ * A newly configured pipe is frozen by default, and must be unfrozen before use via the \ref Pipe_Unfreeze()
+ * before being used. Pipes should be kept frozen unless waiting for data from a device while in IN mode, or
+ * sending data to the device in OUT mode.
*
* \note The default control pipe does not have to be manually configured, as it is automatically
* configured by the library internally.
@@ -762,6 +764,9 @@ * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
* disabled and this function has the Callback parameter omitted.
*
+ * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
+ * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
+ *
* \ingroup Group_PipeRW
*
* \param Buffer Pointer to the source data buffer to read from.
@@ -786,6 +791,9 @@ * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
* disabled and this function has the Callback parameter omitted.
*
+ * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
+ * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
+ *
* \ingroup Group_PipeRW
*
* \param Buffer Pointer to the source data buffer to read from.
@@ -810,6 +818,9 @@ * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
* disabled and this function has the Callback parameter omitted.
*
+ * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
+ * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
+ *
* \ingroup Group_PipeRW
*
* \param Length Number of bytes to send via the currently selected pipe.
@@ -833,6 +844,9 @@ * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
* disabled and this function has the Callback parameter omitted.
*
+ * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
+ * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
+ *
* \ingroup Group_PipeRW
*
* \param Buffer Pointer to the source data buffer to write to.
@@ -857,6 +871,9 @@ * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
* disabled and this function has the Callback parameter omitted.
*
+ * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
+ * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
+ *
* \ingroup Group_PipeRW
*
* \param Buffer Pointer to the source data buffer to write to.
|