arising out of or in connection with the use or performance of\r
this software.\r
*/\r
-\r
-/** \file\r
- *\r
- * Main source file for the Mouse demo. This file contains the main tasks of the demo and\r
- * is responsible for the initial application hardware configuration.\r
- */\r
\r
#include "Mouse.h"\r
\r
-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },\r
- { .Task = USB_Mouse_Report , .TaskStatus = TASK_STOP },\r
-};\r
+USB_ClassInfo_HID_t Mouse_HID_Interface =\r
+ {\r
+ .InterfaceNumber = 0,\r
\r
-/* Global Variables */\r
-/** Indicates what report mode the host has requested, true for normal HID reporting mode, false for special boot\r
- * protocol reporting mode.\r
- */\r
-bool UsingReportProtocol = true;\r
+ .ReportINEndpointNumber = MOUSE_EPNUM,\r
+ .ReportINEndpointSize = MOUSE_EPSIZE,\r
\r
-/** Current Idle period. This is set by the host via a Set Idle HID class request to silence the device's reports\r
- * for either the entire idle duration, or until the report status changes (e.g. the user moves the mouse).\r
- */\r
-uint16_t IdleCount = HID_IDLE_CHANGESONLY;\r
+ .ReportBufferSize = sizeof(USB_MouseReport_Data_t),\r
+ };\r
\r
-/** Current Idle period remaining. When the IdleCount value is set, this tracks the remaining number of idle\r
- * milliseconds. This is separate to the IdleCount timer and is incremented and compared as the host may request \r
- * the current idle period via a Get Idle HID class request, thus its value must be preserved.\r
- */\r
-uint16_t IdleMSRemaining = 0;\r
+int main(void)\r
+{ \r
+ SetupHardware();\r
+ \r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
\r
+ for (;;)\r
+ {\r
+ USB_HID_USBTask(&Mouse_HID_Interface);\r
+ USB_USBTask();\r
+ }\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
+void SetupHardware(void)\r
{\r
/* Disable watchdog if enabled by bootloader/fuses */\r
MCUSR &= ~(1 << WDRF);\r
Joystick_Init();\r
LEDs_Init();\r
Buttons_Init();\r
- \r
- /* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */\r
- OCR0A = 0x7D;\r
- TCCR0A = (1 << WGM01);\r
- TCCR0B = ((1 << CS01) | (1 << CS00));\r
- TIMSK0 = (1 << OCIE0A);\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
-\r
- /* Default to report protocol on connect */\r
- UsingReportProtocol = true;\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 Mouse reporting tasks.\r
- */\r
void EVENT_USB_Disconnect(void)\r
{\r
- /* Stop running mouse reporting and USB management tasks */\r
- Scheduler_SetTaskMode(USB_Mouse_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 sets the current configuration\r
- * of the USB device after enumeration - the device endpoints are configured and the mouse reporting task started.\r
- */ \r
void EVENT_USB_ConfigurationChanged(void)\r
{\r
- /* Setup Mouse Report Endpoint */\r
- Endpoint_ConfigureEndpoint(MOUSE_EPNUM, EP_TYPE_INTERRUPT,\r
- ENDPOINT_DIR_IN, MOUSE_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
-\r
- /* Indicate USB connected and ready */\r
- UpdateStatus(Status_USBReady);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
\r
- /* Start running mouse reporting task */\r
- Scheduler_SetTaskMode(USB_Mouse_Report, TASK_RUN);\r
+ if (!(USB_HID_ConfigureEndpoints(&Mouse_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_MouseReport_Data_t MouseReportData;\r
-\r
- Endpoint_ClearSETUP();\r
-\r
- /* Create the next mouse report for transmission to the host */\r
- CreateMouseReport(&MouseReportData);\r
- \r
- /* Write the report data to the control endpoint */\r
- Endpoint_Write_Control_Stream_LE(&MouseReportData, sizeof(MouseReportData));\r
- \r
- /* Clear the report data afterwards */\r
- memset(&MouseReportData, 0, sizeof(MouseReportData));\r
-\r
- /* Finalize the stream transfer to send the last packet or clear the host abort */\r
- Endpoint_ClearOUT();\r
- }\r
- \r
- break;\r
- case REQ_GetProtocol:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- \r
- /* Write the current protocol flag to the host */\r
- Endpoint_Write_Byte(UsingReportProtocol);\r
- \r
- /* Send the flag to the host */\r
- Endpoint_ClearIN();\r
-\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsOUTReceived()));\r
- Endpoint_ClearOUT();\r
- }\r
- \r
- break;\r
- case REQ_SetProtocol:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- \r
- /* Set or clear the flag depending on what the host indicates that the current Protocol should be */\r
- UsingReportProtocol = (USB_ControlRequest.wValue != 0);\r
- \r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
- }\r
- \r
- break;\r
- case REQ_SetIdle:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- \r
- /* Get idle period in MSB */\r
- IdleCount = (USB_ControlRequest.wValue >> 8);\r
- \r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
- }\r
- \r
- break;\r
- case REQ_GetIdle:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
- { \r
- Endpoint_ClearSETUP();\r
- \r
- /* Write the current idle duration to the host */\r
- Endpoint_Write_Byte(IdleCount);\r
- \r
- /* Send the flag to the host */\r
- Endpoint_ClearIN();\r
-\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsOUTReceived()));\r
- Endpoint_ClearOUT();\r
- }\r
-\r
- break;\r
- }\r
+ USB_HID_ProcessControlPacket(&Mouse_HID_Interface);\r
}\r
\r
-/** ISR for the timer 0 compare vector. This ISR fires once each millisecond, and increments the\r
- * scheduler elapsed idle period counter when the host has set an idle period.\r
- */\r
-ISR(TIMER0_COMPA_vect, ISR_BLOCK)\r
+void EVENT_USB_StartOfFrame(void)\r
{\r
- /* One millisecond has elapsed, decrement the idle time remaining counter if it has not already elapsed */\r
- if (IdleMSRemaining)\r
- IdleMSRemaining--;\r
+ USB_HID_RegisterStartOfFrame(&Mouse_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
-void CreateMouseReport(USB_MouseReport_Data_t* ReportData)\r
+uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData)\r
{\r
+ USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;\r
+ \r
uint8_t JoyStatus_LCL = Joystick_GetStatus();\r
uint8_t ButtonStatus_LCL = Buttons_GetStatus();\r
- \r
- /* Clear the report contents */\r
- memset(ReportData, 0, sizeof(USB_MouseReport_Data_t));\r
\r
if (JoyStatus_LCL & JOY_UP)\r
- ReportData->Y = -1;\r
+ MouseReport->Y = -1;\r
else if (JoyStatus_LCL & JOY_DOWN)\r
- ReportData->Y = 1;\r
+ MouseReport->Y = 1;\r
\r
if (JoyStatus_LCL & JOY_RIGHT)\r
- ReportData->X = 1;\r
+ MouseReport->X = 1;\r
else if (JoyStatus_LCL & JOY_LEFT)\r
- ReportData->X = -1;\r
+ MouseReport->X = -1;\r
\r
if (JoyStatus_LCL & JOY_PRESS)\r
- ReportData->Button = (1 << 0);\r
+ MouseReport->Button = (1 << 0);\r
\r
if (ButtonStatus_LCL & BUTTONS_BUTTON1)\r
- ReportData->Button |= (1 << 1);\r
-}\r
-\r
-/** Sends the next HID report to the host, via the keyboard data endpoint. */\r
-void SendNextReport(void)\r
-{\r
- static USB_MouseReport_Data_t PrevMouseReportData;\r
- USB_MouseReport_Data_t MouseReportData;\r
- bool SendReport;\r
- \r
- /* Create the next mouse report for transmission to the host */\r
- CreateMouseReport(&MouseReportData);\r
- \r
- /* Check to see if the report data has changed - if so a report MUST be sent */\r
- SendReport = (memcmp(&PrevMouseReportData, &MouseReportData, sizeof(USB_MouseReport_Data_t)) != 0);\r
- \r
- /* Override the check if the Y or X values are non-zero - we want continuous movement while the joystick\r
- * is being held down (via continuous reports), otherwise the cursor will only move once per joystick toggle */\r
- if ((MouseReportData.Y != 0) || (MouseReportData.X != 0))\r
- SendReport = true;\r
- \r
- /* Save the current report data for later comparison to check for changes */\r
- PrevMouseReportData = MouseReportData;\r
- \r
- /* Check if the idle period is set and has elapsed */\r
- if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(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
- /* Idle period is set and has elapsed, must send a report to the host */\r
- SendReport = true;\r
- }\r
+ MouseReport->Button |= (1 << 1);\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_IsReadWriteAllowed() && 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_ClearIN();\r
- }\r
+ return sizeof(USB_MouseReport_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 Mouse_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
-/** Task to manage HID report generation and transmission to the host, when in report mode. */\r
-TASK(USB_Mouse_Report)\r
-{\r
- /* Check if the USB system is connected to a host */\r
- if (USB_IsConnected)\r
- {\r
- /* Send the next mouse report to the host */\r
- SendNextReport();\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