\r
#include "Keyboard.h"\r
\r
-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP }, \r
- { .Task = USB_Keyboard_Report , .TaskStatus = TASK_STOP },\r
-};\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
int main(void)\r
{\r
+ SetupHardware();\r
+ \r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+ for (;;)\r
+ {\r
+ 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
- /* 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
+void EVENT_USB_Device_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
/* Default to report protocol on connect */\r
UsingReportProtocol = true;\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.\r
*/\r
-void EVENT_USB_Disconnect(void)\r
+void EVENT_USB_Device_Disconnect(void)\r
{\r
- /* Stop running keyboard reporting and USB management tasks */\r
- Scheduler_SetTaskMode(USB_Keyboard_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, and configures the keyboard device endpoints.\r
*/\r
-void EVENT_USB_ConfigurationChanged(void)\r
-{\r
- /* Setup Keyboard Keycode Report Endpoint */\r
- Endpoint_ConfigureEndpoint(KEYBOARD_EPNUM, EP_TYPE_INTERRUPT,\r
- ENDPOINT_DIR_IN, KEYBOARD_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
-\r
- /* Setup Keyboard LED Report Endpoint */\r
- Endpoint_ConfigureEndpoint(KEYBOARD_LEDS_EPNUM, EP_TYPE_INTERRUPT,\r
- ENDPOINT_DIR_OUT, KEYBOARD_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
-\r
+void EVENT_USB_Device_ConfigurationChanged(void)\r
+{ \r
/* Indicate USB connected and ready */\r
- UpdateStatus(Status_USBReady);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
\r
- /* Start running keyboard reporting task */\r
- Scheduler_SetTaskMode(USB_Keyboard_Report, TASK_RUN);\r
+ /* Setup Keyboard Keycode Report Endpoint */\r
+ if (!(Endpoint_ConfigureEndpoint(KEYBOARD_EPNUM, EP_TYPE_INTERRUPT,\r
+ ENDPOINT_DIR_IN, KEYBOARD_EPSIZE,\r
+ ENDPOINT_BANK_SINGLE)))\r
+ {\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ }\r
+ \r
+ /* Setup Keyboard LED Report Endpoint */\r
+ if (!(Endpoint_ConfigureEndpoint(KEYBOARD_LEDS_EPNUM, EP_TYPE_INTERRUPT,\r
+ ENDPOINT_DIR_OUT, KEYBOARD_EPSIZE,\r
+ ENDPOINT_BANK_SINGLE)))\r
+ {\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ }\r
+ \r
+ USB_Device_EnableSOFEvents();\r
}\r
\r
-/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific\r
+/** Event handler for the USB_UnhandledControlRequest 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
+void EVENT_USB_Device_UnhandledControlRequest(void)\r
{\r
/* Handle HID Class specific requests */\r
switch (USB_ControlRequest.bRequest)\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
/* Send the flag to the host */\r
Endpoint_ClearIN();\r
\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsOUTReceived()));\r
- Endpoint_ClearOUT();\r
+ Endpoint_ClearStatusStage();\r
}\r
\r
break;\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
+ Endpoint_ClearStatusStage();\r
}\r
\r
break;\r
{\r
Endpoint_ClearSETUP();\r
\r
- /* Get idle period in MSB */\r
- IdleCount = (USB_ControlRequest.wValue >> 8);\r
+ /* Get idle period in MSB, IdleCount must be multiplied by 4 to get number of milliseconds */\r
+ IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);\r
\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
+ Endpoint_ClearStatusStage();\r
}\r
\r
break;\r
{ \r
Endpoint_ClearSETUP();\r
\r
- /* Write the current idle duration to the host */\r
- Endpoint_Write_Byte(IdleCount);\r
+ /* Write the current idle duration to the host, must be divided by 4 before sent to host */\r
+ Endpoint_Write_Byte(IdleCount >> 2);\r
\r
/* Send the flag to the host */\r
Endpoint_ClearIN();\r
\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsOUTReceived()));\r
- Endpoint_ClearOUT();\r
+ Endpoint_ClearStatusStage();\r
}\r
\r
break;\r
}\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
+/** Event handler for the USB device Start Of Frame event. */\r
+void EVENT_USB_Device_StartOfFrame(void)\r
{\r
/* One millisecond has elapsed, decrement the idle time remaining counter if it has not already elapsed */\r
if (IdleMSRemaining)\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
+ * \param[out] ReportData Pointer to a HID report data structure to be filled\r
*/\r
void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData)\r
{\r
\r
/** Processes a received LED report, and updates the board LEDs states to match.\r
*\r
- * \param LEDReport LED status report from the host\r
+ * \param[in] LEDReport LED status report from the host\r
*/\r
void ProcessLEDReport(uint8_t LEDReport)\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
+ /* Reset the idle time remaining counter */\r
+ IdleMSRemaining = IdleCount;\r
\r
/* Idle period is set and has elapsed, must send a report to the host */\r
SendReport = true;\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 Keyboard_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
/** Function to manage HID report generation and transmission to the host, when in report mode. */\r
-TASK(USB_Keyboard_Report)\r
+void HID_Task(void)\r
{\r
- /* Check if the USB system is connected to a host */\r
- if (USB_IsConnected)\r
- {\r
- /* Send the next keypress report to the host */\r
- SendNextReport();\r
+ /* Device must be connected and configured for the task to run */\r
+ if (USB_DeviceState != DEVICE_STATE_Configured)\r
+ return;\r
+ \r
+ /* Send the next keypress report to the host */\r
+ SendNextReport();\r
\r
- /* Process the LED report sent from the host */\r
- ReceiveNextReport();\r
- }\r
+ /* Process the LED report sent from the host */\r
+ ReceiveNextReport();\r
}\r
projects / pub / USBasp.git / blobdiff