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@ -84,6 +84,7 @@ void SetupHardware(void)
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Joystick_Init();
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LEDs_Init();
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USB_Init();
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Buttons_Init();
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}
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/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
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@ -257,23 +258,38 @@ void EVENT_USB_Device_StartOfFrame(void)
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*/
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void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData)
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{
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static uint8_t PrevUsedKeyCodes;
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uint8_t UsedKeyCodes = 0;
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uint8_t JoyStatus_LCL = Joystick_GetStatus();
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uint8_t ButtonStatus_LCL = Buttons_GetStatus();
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/* Clear the report contents */
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memset(ReportData, 0, sizeof(USB_KeyboardReport_Data_t));
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if (JoyStatus_LCL & JOY_UP)
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ReportData->KeyCode[0] = 0x04; // A
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ReportData->KeyCode[UsedKeyCodes++] = 0x04; // A
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else if (JoyStatus_LCL & JOY_DOWN)
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ReportData->KeyCode[0] = 0x05; // B
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ReportData->KeyCode[UsedKeyCodes++] = 0x05; // B
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if (JoyStatus_LCL & JOY_LEFT)
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ReportData->KeyCode[0] = 0x06; // C
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ReportData->KeyCode[UsedKeyCodes++] = 0x06; // C
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else if (JoyStatus_LCL & JOY_RIGHT)
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ReportData->KeyCode[0] = 0x07; // D
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ReportData->KeyCode[UsedKeyCodes++] = 0x07; // D
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if (JoyStatus_LCL & JOY_PRESS)
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ReportData->KeyCode[0] = 0x08; // E
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ReportData->KeyCode[UsedKeyCodes++] = 0x08; // E
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if (ButtonStatus_LCL & BUTTONS_BUTTON1)
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ReportData->KeyCode[UsedKeyCodes++] = 0x09; // F
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/* The host will ignore the device if we add a new keycode to the report while another keycode is currently
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* being sent (i.e. the user has pressed another key while a key is already being pressed) - we need to intersperse
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* the two reports with a zeroed report to force the host to accept the additional keys */
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if (UsedKeyCodes != PrevUsedKeyCodes)
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{
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memset(ReportData, 0, sizeof(USB_KeyboardReport_Data_t));
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PrevUsedKeyCodes = UsedKeyCodes;
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}
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}
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/** Processes a received LED report, and updates the board LEDs states to match.
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@ -310,9 +326,6 @@ void SendNextReport(void)
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/* Check to see if the report data has changed - if so a report MUST be sent */
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SendReport = (memcmp(&PrevKeyboardReportData, &KeyboardReportData, sizeof(USB_KeyboardReport_Data_t)) != 0);
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/* Save the current report data for later comparison to check for changes */
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PrevKeyboardReportData = KeyboardReportData;
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/* Check if the idle period is set and has elapsed */
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if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(IdleMSRemaining)))
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{
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@ -329,6 +342,9 @@ void SendNextReport(void)
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/* Check if Keyboard Endpoint Ready for Read/Write and if we should send a new report */
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if (Endpoint_IsReadWriteAllowed() && SendReport)
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{
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/* Save the current report data for later comparison to check for changes */
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PrevKeyboardReportData = KeyboardReportData;
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/* Write Keyboard Report Data */
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Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));
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