/* Scheduler Task List */\r
TASK_LIST\r
{\r
+ #if !defined(INTERRUPT_CONTROL_ENDPOINT)\r
{ Task: USB_USBTask , TaskStatus: TASK_STOP },\r
+ #endif\r
+ \r
+ #if !defined(INTERRUPT_DATA_ENDPOINT)\r
{ Task: USB_Mouse_Report , TaskStatus: TASK_STOP },\r
+ #endif\r
};\r
\r
/* Global Variables */\r
UsingReportProtocol = true;\r
}\r
\r
+/** Event handler for the USB_Reset event. This fires when the USB interface is reset by the USB host, before the\r
+ * enumeration process begins, and enables the control endpoint interrupt so that control requests can be handled\r
+ * asynchronously when they arrive rather than when the control endpoint is polled manually.\r
+ */\r
+EVENT_HANDLER(USB_Reset)\r
+{\r
+ #if defined(INTERRUPT_CONTROL_ENDPOINT)\r
+ /* Select the control endpoint */\r
+ Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);\r
+\r
+ /* Enable the endpoint SETUP interrupt ISR for the control endpoint */\r
+ USB_INT_Enable(ENDPOINT_INT_SETUP);\r
+ #endif\r
+}\r
+\r
/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via\r
* the status LEDs and stops the USB management and Mouse reporting tasks.\r
*/\r
EVENT_HANDLER(USB_Disconnect)\r
{\r
- /* Stop running mouse reporting and USB management tasks */\r
+ /* Stop running keyboard reporting and USB management tasks */\r
+ #if !defined(INTERRUPT_DATA_ENDPOINT)\r
Scheduler_SetTaskMode(USB_Mouse_Report, TASK_STOP);\r
+ #endif\r
+\r
+ #if !defined(INTERRUPT_CONTROL_ENDPOINT)\r
Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);\r
+ #endif\r
\r
/* Indicate USB not ready */\r
UpdateStatus(Status_USBNotReady);\r
ENDPOINT_DIR_IN, MOUSE_EPSIZE,\r
ENDPOINT_BANK_SINGLE);\r
\r
+ #if defined(INTERRUPT_DATA_ENDPOINT)\r
+ /* Enable the endpoint IN interrupt ISR for the report endpoint */\r
+ USB_INT_Enable(ENDPOINT_INT_IN);\r
+ #endif\r
+\r
/* Indicate USB connected and ready */\r
UpdateStatus(Status_USBReady);\r
\r
+ #if !defined(INTERRUPT_DATA_ENDPOINT)\r
/* Start running mouse reporting task */\r
Scheduler_SetTaskMode(USB_Mouse_Report, TASK_RUN);\r
+ #endif\r
}\r
\r
/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific\r
USB_MouseReport_Data_t MouseReportData;\r
\r
/* Create the next mouse report for transmission to the host */\r
- GetNextReport(&MouseReportData);\r
+ CreateMouseReport(&MouseReportData);\r
\r
/* Ignore report type and ID number value */\r
Endpoint_Discard_Word();\r
*\r
* \return Boolean true if the new report differs from the last report, false otherwise\r
*/\r
-bool GetNextReport(USB_MouseReport_Data_t* ReportData)\r
+bool CreateMouseReport(USB_MouseReport_Data_t* ReportData)\r
{\r
static uint8_t PrevJoyStatus = 0;\r
static bool PrevHWBStatus = false;\r
return InputChanged;\r
}\r
\r
+/** Sends the next HID report to the host, via the keyboard data endpoint. */\r
+static inline void SendNextReport(void)\r
+{\r
+ USB_MouseReport_Data_t MouseReportData;\r
+ bool SendReport = true;\r
+ \r
+ /* Create the next mouse report for transmission to the host */\r
+ CreateMouseReport(&MouseReportData);\r
+ \r
+ /* Check if the idle period is set*/\r
+ if (IdleCount)\r
+ {\r
+ /* Determine if the idle period has elapsed */\r
+ if (!(IdleMSRemaining))\r
+ {\r
+ /* Reset the idle time remaining counter, must multiply by 4 to get the duration in milliseconds */\r
+ IdleMSRemaining = (IdleCount << 2); \r
+ }\r
+ else\r
+ {\r
+ /* Idle period not elapsed, indicate that a report must not be sent */\r
+ SendReport = false;\r
+ }\r
+ }\r
+ \r
+ /* Select the Mouse Report Endpoint */\r
+ Endpoint_SelectEndpoint(MOUSE_EPNUM);\r
+\r
+ /* Check if Mouse Endpoint Ready for Read/Write and if we should send a new report */\r
+ if (Endpoint_ReadWriteAllowed() && SendReport)\r
+ {\r
+ /* Write Mouse Report Data */\r
+ Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));\r
+ \r
+ /* Finalize the stream transfer to send the last packet */\r
+ Endpoint_ClearCurrentBank();\r
+ }\r
+}\r
+\r
/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to\r
* log to a serial port, or anything else that is suitable for status updates.\r
*\r
LEDs_SetAllLEDs(LEDMask);\r
}\r
\r
+#if !defined(INTERRUPT_DATA_ENDPOINT)\r
/** Task to manage HID report generation and transmission to the host, when in report mode. */\r
TASK(USB_Mouse_Report)\r
{\r
- USB_MouseReport_Data_t MouseReportData;\r
- bool SendReport = true;\r
- \r
- /* Create the next mouse report for transmission to the host */\r
- GetNextReport(&MouseReportData);\r
- \r
- /* Check if the idle period is set*/\r
- if (IdleCount)\r
+ /* Check if the USB system is connected to a host */\r
+ if (USB_IsConnected)\r
{\r
- /* Determine if the idle period has elapsed */\r
- if (!(IdleMSRemaining))\r
- {\r
- /* Reset the idle time remaining counter, must multiply by 4 to get the duration in milliseconds */\r
- IdleMSRemaining = (IdleCount << 2); \r
- }\r
- else\r
- {\r
- /* Idle period not elapsed, indicate that a report must not be sent */\r
- SendReport = false;\r
- }\r
+ /* Send the next mouse report to the host */\r
+ SendNextReport();\r
}\r
+}\r
+#endif\r
+\r
+/** ISR for the general Pipe/Endpoint interrupt vector. This ISR fires when an endpoint's status changes (such as\r
+ * a packet has been received) on an endpoint with its corresponding ISR enabling bits set. This is used to send\r
+ * HID packets to the host each time the HID interrupt endpoints polling period elapses, as managed by the USB\r
+ * controller. It is also used to respond to standard and class specific requests send to the device on the control\r
+ * endpoint, by handing them off to the LUFA library when they are received.\r
+ */\r
+ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)\r
+{\r
+ #if defined(INTERRUPT_CONTROL_ENDPOINT)\r
+ /* Check if the control endpoint has received a request */\r
+ if (Endpoint_HasEndpointInterrupted(ENDPOINT_CONTROLEP))\r
+ {\r
+ /* Clear the endpoint interrupt */\r
+ Endpoint_ClearEndpointInterrupt(ENDPOINT_CONTROLEP);\r
+\r
+ /* Process the control request */\r
+ USB_USBTask();\r
+\r
+ /* Handshake the endpoint setup interrupt - must be after the call to USB_USBTask() */\r
+ USB_INT_Clear(ENDPOINT_INT_SETUP);\r
+ }\r
+ #endif\r
\r
- /* Check if the USB system is connected to a host */\r
- if (USB_IsConnected)\r
+ #if defined(INTERRUPT_DATA_ENDPOINT)\r
+ /* Check if mouse endpoint has interrupted */\r
+ if (Endpoint_HasEndpointInterrupted(MOUSE_EPNUM))\r
{\r
/* Select the Mouse Report Endpoint */\r
Endpoint_SelectEndpoint(MOUSE_EPNUM);\r
\r
- /* Check if Mouse Endpoint Ready for Read/Write and if we should send a new report */\r
- if (Endpoint_ReadWriteAllowed() && SendReport)\r
- {\r
- /* Write Mouse Report Data */\r
- Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));\r
- \r
- /* Finalize the stream transfer to send the last packet */\r
- Endpoint_ClearCurrentBank();\r
- }\r
+ /* Clear the endpoint IN interrupt flag */\r
+ USB_INT_Clear(ENDPOINT_INT_IN);\r
+\r
+ /* Clear the Mouse Report endpoint interrupt and select the endpoint */\r
+ Endpoint_ClearEndpointInterrupt(MOUSE_EPNUM);\r
+\r
+ /* Send the next mouse report to the host */\r
+ SendNextReport();\r
}\r
+ #endif\r
}\r
projects / pub / USBasp.git / blobdiff