/** Class state structure. An instance of this structure should be made for each HID interface\r
* within the user application, and passed to each of the HID class driver functions as the\r
* HIDInterfaceInfo parameter. This stores each HID interface's configuration and state information.\r
/** Class state structure. An instance of this structure should be made for each HID interface\r
* within the user application, and passed to each of the HID class driver functions as the\r
* HIDInterfaceInfo parameter. This stores each HID interface's configuration and state information.\r
+ *\r
+ * \note Due to technical limitations, the HID device class driver does not utilize a seperate OUT\r
+ * endpoint for host->device communications. Instead, the host->device data (if any) is sent to\r
+ * the device via the control endpoint.\r
\r
/* Function Prototypes: */\r
/** Configures the endpoints of a given HID interface, ready for use. This should be linked to the library\r
\r
/* Function Prototypes: */\r
/** Configures the endpoints of a given HID interface, ready for use. This should be linked to the library\r
* containing the given HID interface is selected.\r
*\r
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.\r
*\r
* \return Boolean true if the endpoints were sucessfully configured, false otherwise\r
*/\r
* containing the given HID interface is selected.\r
*\r
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.\r
*\r
* \return Boolean true if the endpoints were sucessfully configured, false otherwise\r
*/\r
\r
/** General management task for a given HID class interface, required for the correct operation of the interface. This should\r
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().\r
*\r
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.\r
*/\r
\r
/** General management task for a given HID class interface, required for the correct operation of the interface. This should\r
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().\r
*\r
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.\r
*/\r
- * decremented. This should be called once per millisecond so that hardware key-repeats function correctly.\r
+ * decremented. This should be called once per millisecond so that hardware key-repeats function correctly. It is recommended\r
+ * that this be called by the \ref EVENT_USB_Device_StartOfFrame() event, once SOF events have been enabled via\r
+ * \ref USB_Device_EnableSOFEvents();.\r
\r
/** HID class driver callback for the user creation of a HID input report. This callback may fire in response to either\r
* HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback the\r
\r
/** HID class driver callback for the user creation of a HID input report. This callback may fire in response to either\r
* HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback the\r
* the idle period (useful for devices which report relative movement), false otherwise\r
*/\r
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,\r
* the idle period (useful for devices which report relative movement), false otherwise\r
*/\r
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,\r
- void* ReportData, uint16_t* ReportSize);\r
+ void* ReportData, uint16_t* ReportSize) ATTR_NON_NULL_PTR_ARG(1, 2, 3, 4);\r
\r
/** HID class driver callback for the user processing of a received HID input report. This callback may fire in response to\r
* either HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback\r
\r
/** HID class driver callback for the user processing of a received HID input report. This callback may fire in response to\r
* either HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback\r
* \param[in] ReportSize Size in bytes of the received report from the host.\r
*/\r
void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,\r
* \param[in] ReportSize Size in bytes of the received report from the host.\r
*/\r
void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,\r