diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2009-08-11 09:12:29 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-08-11 09:12:29 +0000 |
commit | c86491af8b24679984a3fc5effc7675779652e4c (patch) | |
tree | 7709d0549ff5bc2354403c4da82574d8461f3e79 /LUFA/Drivers | |
parent | a2001ac1ccf4d4919c8243fbc69aff0b68973d3f (diff) | |
download | lufa-c86491af8b24679984a3fc5effc7675779652e4c.tar.gz lufa-c86491af8b24679984a3fc5effc7675779652e4c.tar.bz2 lufa-c86491af8b24679984a3fc5effc7675779652e4c.zip |
Add new functions to the HID host class driver, refine HID interface protocol matching.
Remove stray state variable from the CDC host class driver.
Diffstat (limited to 'LUFA/Drivers')
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDC.c | 4 | ||||
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDC.h | 8 | ||||
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/HID.c | 33 | ||||
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/HID.h | 24 |
4 files changed, 51 insertions, 18 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c index 2985b248e..e790e64f8 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ b/LUFA/Drivers/USB/Class/Host/CDC.c @@ -52,9 +52,9 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint CDCInterfaceInfo->State.ControlInterfaceNumber =
#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
- DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
+ DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
#else
- DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).bInterfaceNumber;
+ DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).bInterfaceNumber;
#endif
while (FoundEndpoints != (CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT | CDC_FOUND_DATAPIPE_NOTIFICATION))
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.h b/LUFA/Drivers/USB/Class/Host/CDC.h index 79df489ff..b7c492af8 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.h +++ b/LUFA/Drivers/USB/Class/Host/CDC.h @@ -71,8 +71,10 @@ */
struct
{
- bool Active; /**< Indicates if the current interface instance is connected to an attached device */
-
+ bool Active; /**< Indicates if the current interface instance is connected to an attached device, valid
+ * after \ref HID_Host_ConfigurePipes() is called and the Host state machine is in the
+ * Configured state
+ */
uint8_t ControlInterfaceNumber; /**< Interface index of the CDC-ACM control interface within the attached device */
uint16_t DataINPipeSize; /**< Size in bytes of the CDC interface's IN data pipe */
@@ -91,8 +93,6 @@ struct
{
- bool Active; /**< Indicates if the interface is currently active, i.e. attached to the connected device */
-
uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second */
uint8_t CharFormat; /**< Character format of the virtual serial port, a value from the
* CDCDevice_CDC_LineCodingFormats_t enum
diff --git a/LUFA/Drivers/USB/Class/Host/HID.c b/LUFA/Drivers/USB/Class/Host/HID.c index a42f8afa3..dc6997736 100644 --- a/LUFA/Drivers/USB/Class/Host/HID.c +++ b/LUFA/Drivers/USB/Class/Host/HID.c @@ -46,6 +46,8 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return HID_ENUMERROR_InvalidConfigDescriptor;
+ USB_Descriptor_Interface_t* CurrentHIDInterface;
+
do
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
@@ -53,9 +55,18 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint {
return HID_ENUMERROR_NoHIDInterfaceFound;
}
- } while (HIDInterfaceInfo->Config.MatchInterfaceProtocol &&
- DESCRIPTOR_PCAST(ConfigDescriptorData,
- USB_Descriptor_Interface_t)->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol);
+
+ CurrentHIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
+ } while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
+ (CurrentHIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
+
+ HIDInterfaceInfo->State.InterfaceNumber =
+ #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
+ CurrentHIDInterface->InterfaceNumber;
+ #else
+ CurrentHIDInterface->bInterfaceNumber;
+ #endif
+ HIDInterfaceInfo->State.SupportsBootSubClass = (CurrentHIDInterface->SubClass != 0);
while (FoundEndpoints != ((1 << HID_FOUND_DATAPIPE_IN) | (1 << HID_FOUND_DATAPIPE_OUT)))
{
@@ -144,4 +155,20 @@ bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) return ReportReceived;
}
+uint8_t USB_HID_Host_SetProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, bool UseReportProtocol)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = REQ_SetProtocol,
+ .wValue = UseReportProtocol,
+ .wIndex = HIDInterfaceInfo->State.InterfaceNumber,
+ .wLength = 0,
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ return USB_Host_SendControlRequest(NULL);
+}
+
#endif
diff --git a/LUFA/Drivers/USB/Class/Host/HID.h b/LUFA/Drivers/USB/Class/Host/HID.h index e67103a69..d94fa2e0e 100644 --- a/LUFA/Drivers/USB/Class/Host/HID.h +++ b/LUFA/Drivers/USB/Class/Host/HID.h @@ -66,23 +66,28 @@ {
uint8_t DataINPipeNumber; /**< Pipe number of the HID interface's IN data pipe */
uint8_t DataOUTPipeNumber; /**< Pipe number of the HID interface's OUT data pipe */
-
- bool MatchInterfaceProtocol; /**< Indicates whether the driver should match the device's
- * HID interface protocol's value to the \ref HIDInterfaceProtocol
- * suppled (otherwise just accept all HID class devices)
- */
- uint8_t HIDInterfaceProtocol; /**< HID interface protocol value to match against if the
- * \ref MatchInterfaceProtocol is set to true (ignored otherwise)
+
+ uint8_t HIDInterfaceProtocol; /**< HID interface protocol value to match against if a specific
+ * boot subclass protocol is required (e.g. keyboard, mouse), or
+ * leave as 0 to match against the first HID interface found
*/
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
- bool Active; /**< Indicates if the current interface instance is connected to an attached device */
+ bool Active; /**< Indicates if the current interface instance is connected to an attached device, valid
+ * after \ref HID_Host_ConfigurePipes() is called and the Host state machine is in the
+ * Configured state
+ */
+ uint8_t InterfaceNumber; /**< Interface index of the HID interface within the attached device */
uint16_t DataINPipeSize; /**< Size in bytes of the HID interface's IN data pipe */
uint16_t DataOUTPipeSize; /**< Size in bytes of the HID interface's OUT data pipe */
+
+ bool SupportsBootSubClass; /**< Indicates if the current interface instance supports the HID Boot
+ * Protocol when enabled via \ref USB_HID_Host_SetProtocol()
+ */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
@@ -103,7 +108,8 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t ConfigDescriptorLength,
uint8_t* DeviceConfigDescriptor);
- bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo);
+ bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo);
+ uint8_t USB_HID_Host_SetProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, bool UseReportProtocol);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
|