\r
#include "KeyboardMouse.h"\r
\r
-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },\r
- { .Task = USB_Mouse , .TaskStatus = TASK_RUN },\r
- { .Task = USB_Keyboard , .TaskStatus = TASK_RUN },\r
-};\r
-\r
/* Global Variables */\r
/** Global structure to hold the current keyboard interface HID report, for transmission to the host */\r
USB_KeyboardReport_Data_t KeyboardReportData;\r
*/\r
int main(void)\r
{\r
+ SetupHardware();\r
+ \r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+ for (;;)\r
+ {\r
+ Keyboard_HID_Task();\r
+ Mouse_HID_Task();\r
+ USB_USBTask();\r
+ }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r
/* Disable watchdog if enabled by bootloader/fuses */\r
MCUSR &= ~(1 << WDRF);\r
wdt_disable();\r
/* Hardware Initialization */\r
Joystick_Init();\r
LEDs_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
*/\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
*/\r
void EVENT_USB_Disconnect(void)\r
{\r
- /* Stop running HID reporting and USB management tasks */\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
*/\r
void EVENT_USB_ConfigurationChanged(void)\r
{\r
- /* Setup Keyboard Report Endpoint */\r
- Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT,\r
- ENDPOINT_DIR_IN, HID_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
+ /* Indicate USB connected and ready */\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
\r
+ /* Setup Keyboard Report Endpoint */\r
+ if (!(Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT,\r
+ ENDPOINT_DIR_IN, HID_EPSIZE,\r
+ ENDPOINT_BANK_SINGLE)))\r
+ {\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ }\r
+ \r
/* Setup Keyboard LED Report Endpoint */\r
- Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPNUM, EP_TYPE_INTERRUPT,\r
- ENDPOINT_DIR_OUT, HID_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
+ if (!(Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPNUM, EP_TYPE_INTERRUPT,\r
+ ENDPOINT_DIR_OUT, HID_EPSIZE,\r
+ ENDPOINT_BANK_SINGLE)))\r
+ {\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ }\r
\r
/* Setup Mouse Report Endpoint */\r
- Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT,\r
- ENDPOINT_DIR_IN, HID_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
-\r
- /* Indicate USB connected and ready */\r
- UpdateStatus(Status_USBReady);\r
+ if (!(Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT,\r
+ ENDPOINT_DIR_IN, HID_EPSIZE,\r
+ ENDPOINT_BANK_SINGLE)))\r
+ {\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ }\r
}\r
\r
/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific\r
Endpoint_ClearSETUP();\r
\r
/* Wait until the LED report has been sent by the host */\r
- while (!(Endpoint_IsOUTReceived()));\r
+ while (!(Endpoint_IsOUTReceived()))\r
+ {\r
+ if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+ return;\r
+ }\r
\r
/* Read in the LED report from the host */\r
uint8_t LEDStatus = Endpoint_Read_Byte();\r
/* Clear the endpoint data */\r
Endpoint_ClearOUT();\r
\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
+ Endpoint_ClearStatusStage();\r
}\r
\r
break;\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
- * \param CurrentStatus Current status of the system, from the KeyboardMouse_StatusCodes_t enum\r
- */\r
-void UpdateStatus(uint8_t CurrentStatus)\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
/** Keyboard task. This generates the next keyboard HID report for the host, and transmits it via the\r
* keyboard IN endpoint when the host is ready for more data. Additionally, it processes host LED status\r
* reports sent to the device via the keyboard OUT reporting endpoint.\r
*/\r
-TASK(USB_Keyboard)\r
+void Keyboard_HID_Task(void)\r
{\r
uint8_t JoyStatus_LCL = Joystick_GetStatus();\r
\r
+ /* Device must be connected and configured for the task to run */\r
+ if (USB_DeviceState != DEVICE_STATE_Configured)\r
+ return;\r
+\r
/* Check if board button is not pressed, if so mouse mode enabled */\r
if (!(Buttons_GetStatus() & BUTTONS_BUTTON1))\r
{\r
if (JoyStatus_LCL & JOY_PRESS)\r
KeyboardReportData.KeyCode[0] = 0x08; // E\r
}\r
- \r
- /* Check if the USB system is connected to a host and report protocol mode is enabled */\r
- if (USB_IsConnected)\r
+\r
+ /* Select the Keyboard Report Endpoint */\r
+ Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);\r
+\r
+ /* Check if Keyboard Endpoint Ready for Read/Write */\r
+ if (Endpoint_IsReadWriteAllowed())\r
{\r
- /* Select the Keyboard Report Endpoint */\r
- Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);\r
-\r
- /* Check if Keyboard Endpoint Ready for Read/Write */\r
- if (Endpoint_IsReadWriteAllowed())\r
- {\r
- /* Write Keyboard Report Data */\r
- Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));\r
-\r
- /* Finalize the stream transfer to send the last packet */\r
- Endpoint_ClearIN();\r
-\r
- /* Clear the report data afterwards */\r
- memset(&KeyboardReportData, 0, sizeof(KeyboardReportData));\r
- }\r
-\r
- /* Select the Keyboard LED Report Endpoint */\r
- Endpoint_SelectEndpoint(KEYBOARD_OUT_EPNUM);\r
-\r
- /* Check if Keyboard LED Endpoint Ready for Read/Write */\r
- if (Endpoint_IsReadWriteAllowed())\r
- { \r
- /* Read in the LED report from the host */\r
- uint8_t LEDStatus = Endpoint_Read_Byte();\r
- uint8_t LEDMask = LEDS_LED2;\r
- \r
- if (LEDStatus & 0x01) // NUM Lock\r
- LEDMask |= LEDS_LED1;\r
- \r
- if (LEDStatus & 0x02) // CAPS Lock\r
- LEDMask |= LEDS_LED3;\r
+ /* Write Keyboard Report Data */\r
+ Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));\r
+\r
+ /* Finalize the stream transfer to send the last packet */\r
+ Endpoint_ClearIN();\r
+\r
+ /* Clear the report data afterwards */\r
+ memset(&KeyboardReportData, 0, sizeof(KeyboardReportData));\r
+ }\r
\r
- if (LEDStatus & 0x04) // SCROLL Lock\r
- LEDMask |= LEDS_LED4;\r
+ /* Select the Keyboard LED Report Endpoint */\r
+ Endpoint_SelectEndpoint(KEYBOARD_OUT_EPNUM);\r
\r
- /* Set the status LEDs to the current Keyboard LED status */\r
- LEDs_SetAllLEDs(LEDMask);\r
+ /* Check if Keyboard LED Endpoint Ready for Read/Write */\r
+ if (Endpoint_IsReadWriteAllowed())\r
+ { \r
+ /* Read in the LED report from the host */\r
+ uint8_t LEDStatus = Endpoint_Read_Byte();\r
+ uint8_t LEDMask = LEDS_LED2;\r
+ \r
+ if (LEDStatus & 0x01) // NUM Lock\r
+ LEDMask |= LEDS_LED1;\r
+ \r
+ if (LEDStatus & 0x02) // CAPS Lock\r
+ LEDMask |= LEDS_LED3;\r
+\r
+ if (LEDStatus & 0x04) // SCROLL Lock\r
+ LEDMask |= LEDS_LED4;\r
+\r
+ /* Set the status LEDs to the current Keyboard LED status */\r
+ LEDs_SetAllLEDs(LEDMask);\r
\r
- /* Handshake the OUT Endpoint - clear endpoint and ready for next report */\r
- Endpoint_ClearOUT();\r
- }\r
+ /* Handshake the OUT Endpoint - clear endpoint and ready for next report */\r
+ Endpoint_ClearOUT();\r
}\r
}\r
\r
/** Mouse task. This generates the next mouse HID report for the host, and transmits it via the\r
* mouse IN endpoint when the host is ready for more data.\r
*/\r
-TASK(USB_Mouse)\r
+void Mouse_HID_Task(void)\r
{\r
uint8_t JoyStatus_LCL = Joystick_GetStatus();\r
\r
+ /* Device must be connected and configured for the task to run */\r
+ if (USB_DeviceState != DEVICE_STATE_Configured)\r
+ return;\r
+\r
/* Check if board button is pressed, if so mouse mode enabled */\r
if (Buttons_GetStatus() & BUTTONS_BUTTON1)\r
{\r
MouseReportData.Button = (1 << 0);\r
}\r
\r
- /* Check if the USB system is connected to a host and report protocol mode is enabled */\r
- if (USB_IsConnected)\r
- {\r
- /* Select the Mouse Report Endpoint */\r
- Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);\r
+ /* Select the Mouse Report Endpoint */\r
+ Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);\r
\r
- /* Check if Mouse Endpoint Ready for Read/Write */\r
- if (Endpoint_IsReadWriteAllowed())\r
- {\r
- /* Write Mouse Report Data */\r
- Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));\r
+ /* Check if Mouse Endpoint Ready for Read/Write */\r
+ if (Endpoint_IsReadWriteAllowed())\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
+ /* Finalize the stream transfer to send the last packet */\r
+ Endpoint_ClearIN();\r
\r
- /* Clear the report data afterwards */\r
- memset(&MouseReportData, 0, sizeof(MouseReportData));\r
- }\r
+ /* Clear the report data afterwards */\r
+ memset(&MouseReportData, 0, sizeof(MouseReportData));\r
}\r
}\r