this software.\r
*/\r
\r
-/** \file\r
- *\r
- * Main source file for the Joystick demo. This file contains the main tasks of the demo and\r
- * is responsible for the initial application hardware configuration.\r
- */\r
-\r
#include "Joystick.h"\r
\r
-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },\r
- { .Task = USB_Joystick_Report , .TaskStatus = TASK_STOP },\r
-};\r
+USB_ClassInfo_HID_t Joystick_HID_Interface =\r
+ {\r
+ .InterfaceNumber = 0,\r
+\r
+ .ReportINEndpointNumber = JOYSTICK_EPNUM,\r
+ .ReportINEndpointSize = JOYSTICK_EPSIZE,\r
+ \r
+ .ReportBufferSize = sizeof(USB_JoystickReport_Data_t),\r
+\r
+ .UsingReportProtocol = true,\r
+ };\r
\r
-/** Main program entry point. This routine configures the hardware required by the application, then\r
- * starts the scheduler to run the application tasks.\r
- */\r
int main(void)\r
{\r
+ SetupHardware();\r
+ \r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+ \r
+ for (;;)\r
+ {\r
+ USB_HID_USBTask(&Joystick_HID_Interface);\r
+ USB_USBTask();\r
+ }\r
+}\r
+\r
+void SetupHardware(void)\r
+{\r
/* Disable watchdog if enabled by bootloader/fuses */\r
MCUSR &= ~(1 << WDRF);\r
wdt_disable();\r
Joystick_Init();\r
LEDs_Init();\r
Buttons_Init();\r
- \r
- /* Indicate USB not ready */\r
- UpdateStatus(Status_USBNotReady);\r
- \r
- /* Initialize Scheduler so that it can be used */\r
- Scheduler_Init();\r
-\r
- /* Initialize USB Subsystem */\r
USB_Init();\r
-\r
- /* Scheduling - routine never returns, so put this last in the main function */\r
- Scheduler_Start();\r
}\r
\r
-/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and\r
- * starts the library USB task to begin the enumeration and USB management process.\r
- */\r
void EVENT_USB_Connect(void)\r
{\r
- /* Start USB management task */\r
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);\r
-\r
- /* Indicate USB enumerating */\r
- UpdateStatus(Status_USBEnumerating);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\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 joystick reporting tasks.\r
- */\r
void EVENT_USB_Disconnect(void)\r
{\r
- /* Stop running joystick reporting and USB management tasks */\r
- Scheduler_SetTaskMode(USB_Joystick_Report, TASK_STOP);\r
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);\r
-\r
- /* Indicate USB not ready */\r
- UpdateStatus(Status_USBNotReady);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
}\r
\r
-/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration\r
- * of the USB device after enumeration - the device endpoints are configured and the joystick reporting task started.\r
- */ \r
void EVENT_USB_ConfigurationChanged(void)\r
{\r
- /* Setup Joystick Report Endpoint */\r
- Endpoint_ConfigureEndpoint(JOYSTICK_EPNUM, EP_TYPE_INTERRUPT,\r
- ENDPOINT_DIR_IN, JOYSTICK_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
\r
- /* Indicate USB connected and ready */\r
- UpdateStatus(Status_USBReady);\r
-\r
- /* Start joystick reporting task */\r
- Scheduler_SetTaskMode(USB_Joystick_Report, TASK_RUN);\r
+ if (!(USB_HID_ConfigureEndpoints(&Joystick_HID_Interface)))\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
}\r
\r
-/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific\r
- * control requests that are not handled internally by the USB library (including the HID commands, which are\r
- * all issued via the control endpoint), so that they can be handled appropriately for the application.\r
- */\r
void EVENT_USB_UnhandledControlPacket(void)\r
{\r
- /* Handle HID Class specific requests */\r
- switch (USB_ControlRequest.bRequest)\r
- {\r
- case REQ_GetReport:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- USB_JoystickReport_Data_t JoystickReportData;\r
- \r
- Endpoint_ClearSETUP();\r
-\r
- /* Create the next HID report to send to the host */ \r
- GetNextReport(&JoystickReportData);\r
- \r
- /* Write the report data to the control endpoint */\r
- Endpoint_Write_Control_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));\r
- \r
- /* Finalize the stream transfer to send the last packet or clear the host abort */\r
- Endpoint_ClearOUT();\r
- }\r
- \r
- break;\r
- }\r
+ USB_HID_ProcessControlPacket(&Joystick_HID_Interface);\r
}\r
\r
-/** Fills the given HID report data structure with the next HID report to send to the host.\r
- *\r
- * \param ReportData Pointer to a HID report data structure to be filled\r
- *\r
- * \return Boolean true if the new report differs from the last report, false otherwise\r
- */\r
-bool GetNextReport(USB_JoystickReport_Data_t* ReportData)\r
+void EVENT_USB_StartOfFrame(void)\r
{\r
- static uint8_t PrevJoyStatus = 0;\r
- static uint8_t PrevButtonStatus = 0;\r
- uint8_t JoyStatus_LCL = Joystick_GetStatus();\r
- uint8_t ButtonStatus_LCL = Buttons_GetStatus();\r
- bool InputChanged = false;\r
+ USB_HID_RegisterStartOfFrame(&Joystick_HID_Interface);\r
+}\r
\r
- /* Clear the report contents */\r
- memset(ReportData, 0, sizeof(USB_JoystickReport_Data_t));\r
+uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)\r
+{\r
+ USB_JoystickReport_Data_t* JoystickReport = (USB_JoystickReport_Data_t*)ReportData;\r
+ \r
+ uint8_t JoyStatus_LCL = Joystick_GetStatus();\r
+ uint8_t ButtonStatus_LCL = Buttons_GetStatus();\r
\r
if (JoyStatus_LCL & JOY_UP)\r
- ReportData->Y = -100;\r
+ JoystickReport->Y = -100;\r
else if (JoyStatus_LCL & JOY_DOWN)\r
- ReportData->Y = 100;\r
+ JoystickReport->Y = 100;\r
\r
if (JoyStatus_LCL & JOY_RIGHT)\r
- ReportData->X = 100;\r
+ JoystickReport->X = 100;\r
else if (JoyStatus_LCL & JOY_LEFT)\r
- ReportData->X = -100;\r
+ JoystickReport->X = -100;\r
\r
if (JoyStatus_LCL & JOY_PRESS)\r
- ReportData->Button = (1 << 1);\r
+ JoystickReport->Button = (1 << 1);\r
\r
if (ButtonStatus_LCL & BUTTONS_BUTTON1)\r
- ReportData->Button |= (1 << 0);\r
+ JoystickReport->Button |= (1 << 0);\r
\r
- /* Check if the new report is different to the previous report */\r
- InputChanged = (uint8_t)(PrevJoyStatus ^ JoyStatus_LCL) | (uint8_t)(PrevButtonStatus ^ ButtonStatus_LCL);\r
-\r
- /* Save the current joystick status for later comparison */\r
- PrevJoyStatus = JoyStatus_LCL;\r
- PrevButtonStatus = ButtonStatus_LCL;\r
-\r
- /* Return whether the new report is different to the previous report or not */\r
- return InputChanged;\r
+ return sizeof(USB_JoystickReport_Data_t);\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
- * \param CurrentStatus Current status of the system, from the Joystick_StatusCodes_t enum\r
- */\r
-void UpdateStatus(uint8_t CurrentStatus)\r
+void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize)\r
{\r
- uint8_t LEDMask = LEDS_NO_LEDS;\r
- \r
- /* Set the LED mask to the appropriate LED mask based on the given status code */\r
- switch (CurrentStatus)\r
- {\r
- case Status_USBNotReady:\r
- LEDMask = (LEDS_LED1);\r
- break;\r
- case Status_USBEnumerating:\r
- LEDMask = (LEDS_LED1 | LEDS_LED2);\r
- break;\r
- case Status_USBReady:\r
- LEDMask = (LEDS_LED2 | LEDS_LED4);\r
- break;\r
- }\r
- \r
- /* Set the board LEDs to the new LED mask */\r
- LEDs_SetAllLEDs(LEDMask);\r
-}\r
-\r
-/** Function to manage HID report generation and transmission to the host. */\r
-TASK(USB_Joystick_Report)\r
-{\r
- /* Check if the USB System is connected to a Host */\r
- if (USB_IsConnected)\r
- {\r
- /* Select the Joystick Report Endpoint */\r
- Endpoint_SelectEndpoint(JOYSTICK_EPNUM);\r
-\r
- /* Check to see if the host is ready for another packet */\r
- if (Endpoint_IsINReady())\r
- {\r
- USB_JoystickReport_Data_t JoystickReportData;\r
- \r
- /* Create the next HID report to send to the host */\r
- GetNextReport(&JoystickReportData);\r
- \r
- /* Write Joystick Report Data */\r
- Endpoint_Write_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));\r
-\r
- /* Finalize the stream transfer to send the last packet */\r
- Endpoint_ClearIN();\r
- \r
- /* Clear the report data afterwards */\r
- memset(&JoystickReportData, 0, sizeof(JoystickReportData));\r
- }\r
- }\r
+ // Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports\r
}\r
projects / pub / USBasp.git / blobdiff