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| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-02-01 01:27:00 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-02-01 01:27:00 +0000 |
| commit | b6a4584a19e81c2e1f909355bbc64c2b8cea84f6 (patch) | |
| tree | 3e5388a85cea77702c24478245097138c7bf704c /LUFA/Drivers/USB/LowLevel | |
| parent | bb1a036f097602a70ce219915db28dea616b76a8 (diff) | |
| download | lufa-b6a4584a19e81c2e1f909355bbc64c2b8cea84f6.tar.gz lufa-b6a4584a19e81c2e1f909355bbc64c2b8cea84f6.tar.bz2 lufa-b6a4584a19e81c2e1f909355bbc64c2b8cea84f6.zip | |
Fixed Pipe_IsEndpointBound() function not taking the endpoint's direction into account.
Re-added Pipe_IsEndpointBound() calls to the CDC and RNDIS host class drivers, not that the function has the correct behaviour for devices with bidirectional endpoints.
Diffstat (limited to 'LUFA/Drivers/USB/LowLevel')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Endpoint.h | 5 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Pipe.c | 11 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Pipe.h | 10 |
3 files changed, 22 insertions, 4 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h index ff0b640a4..b0934f586 100644 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.h +++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h @@ -126,6 +126,11 @@ */
#define ENDPOINT_EPNUM_MASK 0x07
+ /** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's
+ * direction for comparing with the ENDPOINT_DESCRIPTOR_DIR_* masks.
+ */
+ #define ENDPOINT_EPDIR_MASK 0x80
+
/** Endpoint bank size mask, for masking against endpoint addresses to retrieve the endpoint's
* bank size in the device.
*/
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c index e88aa63fc..2b956a8da 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.c +++ b/LUFA/Drivers/USB/LowLevel/Pipe.c @@ -78,8 +78,15 @@ bool Pipe_IsEndpointBound(const uint8_t EndpointAddress) {
Pipe_SelectPipe(PNum);
- if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK)))
- return true;
+ uint8_t PipeToken = Pipe_GetPipeToken();
+
+ if (PipeToken != PIPE_TOKEN_SETUP)
+ PipeToken = (PipeToken == ((EndpointAddress & PIPE_EPDIR_MASK) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT));
+
+ if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK)) && PipeToken)
+ {
+ return true;
+ }
}
Pipe_SelectPipe(PrevPipeNumber);
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h index afae6bcfb..16b5ea670 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.h +++ b/LUFA/Drivers/USB/LowLevel/Pipe.h @@ -175,6 +175,11 @@ */
#define PIPE_EPNUM_MASK 0x0F
+ /** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's
+ * direction for comparing with the ENDPOINT_DESCRIPTOR_DIR_* masks.
+ */
+ #define PIPE_EPDIR_MASK 0x80
+
/* Pseudo-Function Macros: */
#if defined(__DOXYGEN__)
/** Indicates the number of bytes currently stored in the current pipes's selected bank.
@@ -805,9 +810,10 @@ /** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given
* endpoint is found, it is automatically selected.
*
- * \param[in] EndpointAddress Address of the endpoint within the attached device to check
+ * \param[in] EndpointAddress Address and direction mask of the endpoint within the attached device to check
*
- * \return Boolean true if a pipe bound to the given endpoint address is found, false otherwise
+ * \return Boolean true if a pipe bound to the given endpoint address of the specified direction is found, false
+ * otherwise
*/
bool Pipe_IsEndpointBound(const uint8_t EndpointAddress);
|