/** Task to determine if the user is wishes to start the programming sequence, and if so executes the
* required functions to program the attached target (if any) with the files loaded to the Dataflash.
*/
void Programmer_Task(void)
{
static bool HasAttempted = false;
if (Buttons_GetStatus() & BUTTONS_BUTTON1)
{
if (!(HasAttempted))
HasAttempted = true;
else
return;
puts("==== PROGRAMMING CYCLE STARTED ====\r\n");
#if defined(USB_CAN_BE_BOTH)
printf("Using %s Drive...\r\n", (USB_CurrentMode == USB_MODE_Host) ? "External" : "Internal");
#endif
puts("Reading Configuration File...\r\n");
if (!(ProgrammerConfig_ProcessConfiguration()))
goto EndOfProgCycle;
EndOfProgCycle:
puts("==== PROGRAMMING CYCLE FINISHED ====\r\n");
}
else
{
HasAttempted = false;
}
}
/** HID class driver callback function for the creation of HID reports to the host.
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
* \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
* \param[out] ReportData Pointer to a buffer where the created report should be stored
* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
*
* \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
*/
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
uint8_t* const ReportID,
const uint8_t ReportType,
void* ReportData,
uint16_t* const ReportSize)
{
USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
uint8_t UsedKeyCodes = 0;
if (JoyStatus_LCL & JOY_UP)
KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_A;
else if (JoyStatus_LCL & JOY_DOWN)
KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_B;
if (JoyStatus_LCL & JOY_LEFT)
KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_C;
else if (JoyStatus_LCL & JOY_RIGHT)
KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_D;
if (JoyStatus_LCL & JOY_PRESS)
KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_E;
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
KeyboardReport->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_F;
if (UsedKeyCodes)
KeyboardReport->Modifier = HID_KEYBOARD_MODIFIER_LEFTSHIFT;
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
return false;
}
/* Routine to update keyboard state */
static void Keyboard_UpdateReport(void)
{
uint8_t joystick_status = Joystick_GetStatus();
HID_KEYBOARD_CLEAR_REPORT(&g_keyBoard.report[0]);
switch (joystick_status) {
case JOY_PRESS:
HID_KEYBOARD_REPORT_SET_KEY_PRESS(g_keyBoard.report, 0x53);
break;
case JOY_LEFT:
HID_KEYBOARD_REPORT_SET_KEY_PRESS(g_keyBoard.report, 0x5C);
break;
case JOY_RIGHT:
HID_KEYBOARD_REPORT_SET_KEY_PRESS(g_keyBoard.report, 0x5E);
break;
case JOY_UP:
HID_KEYBOARD_REPORT_SET_KEY_PRESS(g_keyBoard.report, 0x60);
break;
case JOY_DOWN:
HID_KEYBOARD_REPORT_SET_KEY_PRESS(g_keyBoard.report, 0x5A);
break;
case NO_BUTTON_PRESSED:
if (Buttons_GetStatus() != NO_BUTTON_PRESSED)
HID_KEYBOARD_REPORT_SET_KEY_PRESS(g_keyBoard.report, 0x57);
break;
}
}
/** HID class driver callback function for the creation of HID reports to the host.
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
* \param[in] ReportType Type of the report to create, either REPORT_ITEM_TYPE_In or REPORT_ITEM_TYPE_Feature
* \param[out] ReportData Pointer to a buffer where the created report should be stored
* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent
*
* \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
*/
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
const uint8_t ReportType, void* ReportData, uint16_t* ReportSize)
{
USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
if (JoyStatus_LCL & JOY_UP)
MouseReport->Y = -1;
else if (JoyStatus_LCL & JOY_DOWN)
MouseReport->Y = 1;
if (JoyStatus_LCL & JOY_RIGHT)
MouseReport->X = 1;
else if (JoyStatus_LCL & JOY_LEFT)
MouseReport->X = -1;
if (JoyStatus_LCL & JOY_PRESS)
MouseReport->Button = (1 << 0);
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
MouseReport->Button |= (1 << 1);
*ReportSize = sizeof(USB_MouseReport_Data_t);
return true;
}
/** HID class driver callback function for the creation of HID reports to the host.
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
* \param[in] ReportType Type of the report to create, either REPORT_ITEM_TYPE_In or REPORT_ITEM_TYPE_Feature
* \param[out] ReportData Pointer to a buffer where the created report should be stored
* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent
*
* \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
*/
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
const uint8_t ReportType, void* ReportData, uint16_t* ReportSize)
{
USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
KeyboardReport->Modifier = HID_KEYBOARD_MODIFER_LEFTSHIFT;
if (JoyStatus_LCL & JOY_UP)
KeyboardReport->KeyCode[0] = 0x04; // A
else if (JoyStatus_LCL & JOY_DOWN)
KeyboardReport->KeyCode[0] = 0x05; // B
if (JoyStatus_LCL & JOY_LEFT)
KeyboardReport->KeyCode[0] = 0x06; // C
else if (JoyStatus_LCL & JOY_RIGHT)
KeyboardReport->KeyCode[0] = 0x07; // D
if (JoyStatus_LCL & JOY_PRESS)
KeyboardReport->KeyCode[0] = 0x08; // E
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
KeyboardReport->KeyCode[0] = 0x09; // F
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
return false;
}
/** ISR to handle the reloading of the PWM timer with the next sample. */
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
{
uint8_t PrevPipe = Pipe_GetCurrentPipe();
/* Check that the USB bus is ready for the next sample to write */
if (Audio_Host_IsReadyForNextSample(&Speaker_Audio_Interface))
{
int16_t AudioSample;
#if defined(USE_TEST_TONE)
static uint8_t SquareWaveSampleCount;
static int16_t CurrentWaveValue;
/* In test tone mode, generate a square wave at 1/256 of the sample rate */
if (SquareWaveSampleCount++ == 0xFF)
CurrentWaveValue ^= 0x8000;
/* Only generate audio if the board button is being pressed */
AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0;
#else
/* Audio sample is ADC value scaled to fit the entire range */
AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
AudioSample -= (SAMPLE_MAX_RANGE / 2);
#endif
#endif
Audio_Host_WriteSample16(&Speaker_Audio_Interface, AudioSample);
Audio_Host_WriteSample16(&Speaker_Audio_Interface, AudioSample);
}
Pipe_SelectPipe(PrevPipe);
}
int main(void)
{
uint_reg_t Dummy;
/* =============================
* Buttons Compile Check
* ============================= */
// cppcheck-suppress redundantAssignment
Dummy = BUTTONS_BUTTON1;
Buttons_Init();
// cppcheck-suppress redundantAssignment
Dummy = Buttons_GetStatus();
Buttons_Disable();
/* =============================
* Dataflash Compile Check
* ============================= */
// cppcheck-suppress redundantAssignment
Dummy = DATAFLASH_TOTALCHIPS + DATAFLASH_NO_CHIP + DATAFLASH_CHIP1 + DATAFLASH_PAGE_SIZE + DATAFLASH_PAGES;
Dataflash_Init();
Dataflash_TransferByte(0);
Dataflash_SendByte(0);
// cppcheck-suppress redundantAssignment
Dummy = Dataflash_ReceiveByte();
// cppcheck-suppress redundantAssignment
Dummy = Dataflash_GetSelectedChip();
Dataflash_SelectChip(DATAFLASH_CHIP1);
Dataflash_DeselectChip();
Dataflash_SelectChipFromPage(0);
Dataflash_ToggleSelectedChipCS();
Dataflash_WaitWhileBusy();
Dataflash_SendAddressBytes(0, 0);
/* =============================
* LEDs Compile Check
* ============================= */
// cppcheck-suppress redundantAssignment
Dummy = LEDS_LED1 + LEDS_LED2 + LEDS_LED3 + LEDS_LED4;
LEDs_Init();
LEDs_TurnOnLEDs(LEDS_ALL_LEDS);
LEDs_TurnOffLEDs(LEDS_ALL_LEDS);
LEDs_SetAllLEDs(LEDS_ALL_LEDS);
LEDs_ChangeLEDs(LEDS_ALL_LEDS, LEDS_NO_LEDS);
LEDs_ToggleLEDs(LEDS_ALL_LEDS);
// cppcheck-suppress redundantAssignment
Dummy = LEDs_GetLEDs();
LEDs_Disable();
/* =============================
* Joystick Compile Check
* ============================= */
// cppcheck-suppress redundantAssignment
Dummy = JOY_LEFT + JOY_RIGHT + JOY_UP + JOY_DOWN + JOY_PRESS;
Joystick_Init();
// cppcheck-suppress redundantAssignment
Dummy = Joystick_GetStatus();
Joystick_Disable();
(void)Dummy;
}
/* HID class driver callback function for the creation of HID reports to the host */
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t *const HIDInterfaceInfo,
uint8_t *const ReportID,
const uint8_t ReportType,
void *ReportData,
uint16_t *const ReportSize)
{
uint8_t *Data = (uint8_t *) ReportData;
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
uint8_t ret = 0;
if (JoyStatus_LCL & JOY_UP) {
ret |= 0x01;
}
if (JoyStatus_LCL & JOY_LEFT) {
ret |= 0x02;
}
if (JoyStatus_LCL & JOY_RIGHT) {
ret |= 0x04;
}
if (JoyStatus_LCL & JOY_PRESS) {
ret |= 0x08;
}
if (JoyStatus_LCL & JOY_DOWN) {
ret |= 0x10;
}
if (ButtonStatus_LCL & BUTTONS_BUTTON1) {
ret |= 0x20;
}
Data[0] = ret;
*ReportSize = GENERIC_REPORT_SIZE;
return false;
}
/** Keyboard task. This generates the next keyboard HID report for the host, and transmits it via the
* keyboard IN endpoint when the host is ready for more data. Additionally, it processes host LED status
* reports sent to the device via the keyboard OUT reporting endpoint.
*/
void Keyboard_HID_Task(void)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
/* Check if board button is not pressed, if so mouse mode enabled */
if (!(Buttons_GetStatus() & BUTTONS_BUTTON1))
{
/* Make sent key uppercase by indicating that the left shift key is pressed */
KeyboardReportData.Modifier = KEYBOARD_MODIFER_LEFTSHIFT;
if (JoyStatus_LCL & JOY_UP)
KeyboardReportData.KeyCode[0] = 0x04; // A
else if (JoyStatus_LCL & JOY_DOWN)
KeyboardReportData.KeyCode[0] = 0x05; // B
if (JoyStatus_LCL & JOY_LEFT)
KeyboardReportData.KeyCode[0] = 0x06; // C
else if (JoyStatus_LCL & JOY_RIGHT)
KeyboardReportData.KeyCode[0] = 0x07; // D
if (JoyStatus_LCL & JOY_PRESS)
KeyboardReportData.KeyCode[0] = 0x08; // E
}
/* Select the Keyboard Report Endpoint */
Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
/* Check if Keyboard Endpoint Ready for Read/Write */
if (Endpoint_IsReadWriteAllowed())
{
/* Write Keyboard Report Data */
Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
/* Clear the report data afterwards */
memset(&KeyboardReportData, 0, sizeof(KeyboardReportData));
}
/* Select the Keyboard LED Report Endpoint */
Endpoint_SelectEndpoint(KEYBOARD_OUT_EPNUM);
/* Check if Keyboard LED Endpoint Ready for Read/Write */
if (Endpoint_IsReadWriteAllowed())
{
/* Read in and process the LED report from the host */
Keyboard_ProcessLEDReport(Endpoint_Read_Byte());
/* Handshake the OUT Endpoint - clear endpoint and ready for next report */
Endpoint_ClearOUT();
}
}
/** HID class driver callback function for the creation of HID reports to the host.
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
* \param[out] ReportData Pointer to a buffer where the created report should be stored
* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent
*
* \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
*/
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
void* ReportData, uint16_t* ReportSize)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
/* Determine which interface must have its report generated */
if (HIDInterfaceInfo == &Keyboard_HID_Interface)
{
USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
/* If first board button not being held down, no keyboard report */
if (!(ButtonStatus_LCL & BUTTONS_BUTTON1))
return 0;
if (JoyStatus_LCL & JOY_UP)
KeyboardReport->KeyCode[0] = 0x04; // A
else if (JoyStatus_LCL & JOY_DOWN)
KeyboardReport->KeyCode[0] = 0x05; // B
if (JoyStatus_LCL & JOY_LEFT)
KeyboardReport->KeyCode[0] = 0x06; // C
else if (JoyStatus_LCL & JOY_RIGHT)
KeyboardReport->KeyCode[0] = 0x07; // D
if (JoyStatus_LCL & JOY_PRESS)
KeyboardReport->KeyCode[0] = 0x08; // E
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
return false;
}
else
{
USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
/* If first board button being held down, no mouse report */
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
return 0;
if (JoyStatus_LCL & JOY_UP)
MouseReport->Y = -1;
else if (JoyStatus_LCL & JOY_DOWN)
MouseReport->Y = 1;
if (JoyStatus_LCL & JOY_LEFT)
MouseReport->X = -1;
else if (JoyStatus_LCL & JOY_RIGHT)
MouseReport->X = 1;
if (JoyStatus_LCL & JOY_PRESS)
MouseReport->Button = (1 << 0);
*ReportSize = sizeof(USB_MouseReport_Data_t);
return true;
}
}
void taskPulsador(void * pvParameters)
{
uint8_t state = NO_OPRIMIDO;
while(1)
{
switch(state)
{
case NO_OPRIMIDO:
if(Buttons_GetStatus(SW4) == 1)
{
setTickCounter(0);
state = ANTIRREBOTE;
vTaskDelay(20/portTICK_RATE_MS);
}
else
{
vTaskDelay(100/portTICK_RATE_MS);
}
break;
case ANTIRREBOTE:
if(Buttons_GetStatus(SW4) == 1)
{
state = OPRIMIDO;
}
else
{
state = NO_OPRIMIDO;
}
break;
case OPRIMIDO:
if(Buttons_GetStatus(SW4) != 1)
{
tiempoOprimido = (getTickCounter() < 1000)?getTickCounter():999;
state = NO_OPRIMIDO;
}
break;
default:
break;
}
}
}
/** HID class driver callback function for the creation of HID reports to the host.
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
* \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
* \param[out] ReportData Pointer to a buffer where the created report should be stored
* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
*
* \return Boolean \c true to force the sending of the report, \c false to let the library determine if it needs to be sent
*/
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
uint8_t* const ReportID,
const uint8_t ReportType,
void* ReportData,
uint16_t* const ReportSize)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
if (!(ButtonStatus_LCL & BUTTONS_BUTTON1))
{
USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
KeyboardReport->Modifier = HID_KEYBOARD_MODIFIER_LEFTSHIFT;
if (JoyStatus_LCL & JOY_UP)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_A;
else if (JoyStatus_LCL & JOY_DOWN)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_B;
if (JoyStatus_LCL & JOY_LEFT)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_C;
else if (JoyStatus_LCL & JOY_RIGHT)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_D;
if (JoyStatus_LCL & JOY_PRESS)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_E;
*ReportID = HID_REPORTID_KeyboardReport;
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
return false;
}
else
{
USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
if (JoyStatus_LCL & JOY_UP)
MouseReport->Y = -1;
else if (JoyStatus_LCL & JOY_DOWN)
MouseReport->Y = 1;
if (JoyStatus_LCL & JOY_LEFT)
MouseReport->X = -1;
else if (JoyStatus_LCL & JOY_RIGHT)
MouseReport->X = 1;
if (JoyStatus_LCL & JOY_PRESS)
MouseReport->Button |= (1 << 0);
*ReportID = HID_REPORTID_MouseReport;
*ReportSize = sizeof(USB_MouseReport_Data_t);
return true;
}
}
int main(void)
{
uint_reg_t Dummy;
/* =============================
* Buttons Compile Check
* ============================= */
Buttons_Init();
// cppcheck-suppress redundantAssignment
Dummy = Buttons_GetStatus();
Buttons_Disable();
/* =============================
* Dataflash Compile Check
* ============================= */
Dataflash_Init();
Dataflash_TransferByte(0);
Dataflash_SendByte(0);
// cppcheck-suppress redundantAssignment
Dummy = Dataflash_ReceiveByte();
// cppcheck-suppress redundantAssignment
Dummy = Dataflash_GetSelectedChip();
Dataflash_SelectChip(0);
Dataflash_DeselectChip();
Dataflash_SelectChipFromPage(0);
Dataflash_ToggleSelectedChipCS();
Dataflash_WaitWhileBusy();
Dataflash_SendAddressBytes(0, 0);
/* =============================
* LEDs Compile Check
* ============================= */
LEDs_Init();
LEDs_TurnOnLEDs(LEDS_ALL_LEDS);
LEDs_TurnOffLEDs(LEDS_ALL_LEDS);
LEDs_SetAllLEDs(LEDS_ALL_LEDS);
LEDs_ChangeLEDs(LEDS_ALL_LEDS, LEDS_NO_LEDS);
LEDs_ToggleLEDs(LEDS_ALL_LEDS);
// cppcheck-suppress redundantAssignment
Dummy = LEDs_GetLEDs();
LEDs_Disable();
/* =============================
* Joystick Compile Check
* ============================= */
Joystick_Init();
// cppcheck-suppress redundantAssignment
Dummy = Joystick_GetStatus();
Joystick_Disable();
(void)Dummy;
}
/** Checks for the button state */
void service_button(void)
{
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
if (ButtonStatus_LCL & BUTTONS_BUTTON1) {
if (! button_is_pressed) {
button_pressed_timestamp = millis10();
button_is_pressed = true;
}
} else {
button_is_pressed = false;
}
}
/** Reads the joystick and button status, sending commands to the launcher as needed. */
void Read_Joystick_Status(void)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t Buttons_LCL = Buttons_GetStatus();
if (Buttons_LCL & BUTTONS_BUTTON1)
Send_Command(CMD_FIRE);
else if (JoyStatus_LCL & JOY_UP)
Send_Command(CMD_UP);
else if (JoyStatus_LCL & JOY_DOWN)
Send_Command(CMD_DOWN);
else if (JoyStatus_LCL & JOY_LEFT)
Send_Command(CMD_LEFT);
else if (JoyStatus_LCL & JOY_RIGHT)
Send_Command(CMD_RIGHT);
else if (CmdState != CMD_STOP)
Send_Command(CMD_STOP);
}
/** HID class driver callback function for the creation of HID reports to the host.
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
* \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
* \param[out] ReportData Pointer to a buffer where the created report should be stored
* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
*
* \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
*/
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
const uint8_t ReportType, void* ReportData, uint16_t* const ReportSize)
{
USB_MediaReport_Data_t* MediaReport = (USB_MediaReport_Data_t*)ReportData;
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
/* Update the Media Control report with the user button presses */
MediaReport->Mute = ((ButtonStatus_LCL & BUTTONS_BUTTON1) ? true : false);
MediaReport->PlayPause = ((JoyStatus_LCL & JOY_PRESS) ? true : false);
MediaReport->VolumeUp = ((JoyStatus_LCL & JOY_UP) ? true : false);
MediaReport->VolumeDown = ((JoyStatus_LCL & JOY_DOWN) ? true : false);
MediaReport->PreviousTrack = ((JoyStatus_LCL & JOY_LEFT) ? true : false);
MediaReport->NextTrack = ((JoyStatus_LCL & JOY_RIGHT) ? true : false);
*ReportSize = sizeof(USB_MediaReport_Data_t);
return false;
}
/** ISR to handle the reloading of the endpoint with the next sample. */
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
{
uint8_t PrevPipe = Pipe_GetCurrentPipe();
Pipe_SelectPipe(AUDIO_DATA_OUT_PIPE);
Pipe_Unfreeze();
/* Check if the current pipe can be written to (device ready for more data) */
if (Pipe_IsOUTReady())
{
int16_t AudioSample;
#if defined(USE_TEST_TONE)
static uint8_t SquareWaveSampleCount;
static int16_t CurrentWaveValue;
/* In test tone mode, generate a square wave at 1/256 of the sample rate */
if (SquareWaveSampleCount++ == 0xFF)
CurrentWaveValue ^= 0x8000;
/* Only generate audio if the board button is being pressed */
AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0;
#else
/* Audio sample is ADC value scaled to fit the entire range */
AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
AudioSample -= (SAMPLE_MAX_RANGE / 2);
#endif
#endif
Pipe_Write_16_LE(AudioSample);
Pipe_Write_16_LE(AudioSample);
if (!(Pipe_IsReadWriteAllowed()))
Pipe_ClearOUT();
}
Pipe_Freeze();
Pipe_SelectPipe(PrevPipe);
}
/** Mouse task. This generates the next mouse HID report for the host, and transmits it via the
* mouse IN endpoint when the host is ready for more data.
*/
void Mouse_HID_Task(void)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
/* Check if board button is pressed, if so mouse mode enabled */
if (Buttons_GetStatus() & BUTTONS_BUTTON1)
{
if (JoyStatus_LCL & JOY_UP)
MouseReportData.Y = 1;
else if (JoyStatus_LCL & JOY_DOWN)
MouseReportData.Y = -1;
if (JoyStatus_LCL & JOY_RIGHT)
MouseReportData.X = 1;
else if (JoyStatus_LCL & JOY_LEFT)
MouseReportData.X = -1;
if (JoyStatus_LCL & JOY_PRESS)
MouseReportData.Button = (1 << 0);
}
/* Select the Mouse Report Endpoint */
Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
/* Check if Mouse Endpoint Ready for Read/Write */
if (Endpoint_IsReadWriteAllowed())
{
/* Write Mouse Report Data */
Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
/* Clear the report data afterwards */
memset(&MouseReportData, 0, sizeof(MouseReportData));
}
}
static uint8_t Check_Buttons_Pressed(void)
{
static uint8_t buttons_status;
static uint8_t ret;
buttons_status = Buttons_GetStatus();
if((buttons_status & BUTTONS_BUTTON1) == BUTTONS_BUTTON1) button1_enable = true; // button pressed check timer enable
else button1_enable = false;
if(button1_pressed_flag) // button1 pressed (Specified time elapsed, enabled by sysTick_Handler function)
{
button1_pressed_flag = false; // pressed button clear
ret = BUTTONS_BUTTON1; // return pressed button status
}
else
{
ret = 0;
}
return ret;
}
/** Fills the given HID report data structure with the next HID report to send to the host.
*
* \param[out] ReportData Pointer to a HID report data structure to be filled
*
* \return Boolean true if the new report differs from the last report, false otherwise
*/
bool GetNextReport(USB_JoystickReport_Data_t* const ReportData)
{
static uint8_t PrevJoyStatus = 0;
static uint8_t PrevButtonStatus = 0;
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
bool InputChanged = false;
/* Clear the report contents */
memset(ReportData, 0, sizeof(USB_JoystickReport_Data_t));
if (JoyStatus_LCL & JOY_UP)
ReportData->Y = -100;
else if (JoyStatus_LCL & JOY_DOWN)
ReportData->Y = 100;
if (JoyStatus_LCL & JOY_LEFT)
ReportData->X = -100;
else if (JoyStatus_LCL & JOY_RIGHT)
ReportData->X = 100;
if (JoyStatus_LCL & JOY_PRESS)
ReportData->Button |= (1 << 1);
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
ReportData->Button |= (1 << 0);
/* Check if the new report is different to the previous report */
InputChanged = (uint8_t)(PrevJoyStatus ^ JoyStatus_LCL) | (uint8_t)(PrevButtonStatus ^ ButtonStatus_LCL);
/* Save the current joystick status for later comparison */
PrevJoyStatus = JoyStatus_LCL;
PrevButtonStatus = ButtonStatus_LCL;
/* Return whether the new report is different to the previous report or not */
return InputChanged;
}
/** Checks for changes in the position of the board joystick, sending MIDI events to the host upon each change. */
void CheckJoystickMovement(void)
{
static uint8_t PrevJoystickStatus;
uint8_t MIDICommand = 0;
uint8_t MIDIPitch;
/* Get current joystick mask, XOR with previous to detect joystick changes */
uint8_t JoystickStatus = Joystick_GetStatus();
uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
/* Get board button status - if pressed use second virtual cable, otherwise use the first */
uint8_t VirtualCable = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? 1 : 0;
if (JoystickChanges & JOY_LEFT)
{
MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3C;
}
if (JoystickChanges & JOY_UP)
{
MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3D;
}
if (JoystickChanges & JOY_RIGHT)
{
MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3E;
}
if (JoystickChanges & JOY_DOWN)
{
MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3F;
}
if (JoystickChanges & JOY_PRESS)
{
MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3B;
}
if (MIDICommand)
{
MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
{
.Event = MIDI_EVENT(VirtualCable, MIDICommand),
.Data1 = MIDICommand | MIDI_CHANNEL(1),
.Data2 = MIDIPitch,
.Data3 = MIDI_STANDARD_VELOCITY,
};
MIDI_Device_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);
MIDI_Device_Flush(&Keyboard_MIDI_Interface);
}
PrevJoystickStatus = JoystickStatus;
}
/** Event handler for the library USB Connection event. */
void EVENT_USB_Device_Connect(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
/** Checks for movement of the board's joystick, and sends corresponding MIDI note on/off
* messages to the host.
*/
void CheckJoystickMovement(void)
{
static uint8_t PrevJoystickStatus;
uint8_t MIDICommand = 0;
uint8_t MIDIPitch;
/* Get current joystick mask, XOR with previous to detect joystick changes */
uint8_t JoystickStatus = Joystick_GetStatus();
uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
/* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
if (JoystickChanges & JOY_LEFT)
{
MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3C;
}
else if (JoystickChanges & JOY_UP)
{
MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3D;
}
else if (JoystickChanges & JOY_RIGHT)
{
MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3E;
}
else if (JoystickChanges & JOY_DOWN)
{
MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3F;
}
else if (JoystickChanges & JOY_PRESS)
{
MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3B;
}
if (MIDICommand)
{
MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
{
.Event = MIDI_EVENT(0, MIDICommand),
.Data1 = MIDICommand | Channel,
.Data2 = MIDIPitch,
.Data3 = MIDI_STANDARD_VELOCITY,
};
MIDI_Host_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);
MIDI_Host_Flush(&Keyboard_MIDI_Interface);
}
PrevJoystickStatus = JoystickStatus;
}
/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
* starts the library USB task to begin the enumeration and USB management process.
*/
void EVENT_USB_Host_DeviceAttached(void)
{
puts_P(PSTR("Device Attached.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
/** Task to handle the generation of MIDI note change events in response to presses of the board joystick, and send them
* to the host.
*/
void MIDI_Task(void)
{
static uint8_t PrevJoystickStatus;
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPADDR);
if (Endpoint_IsINReady())
{
uint8_t MIDICommand = 0;
uint8_t MIDIPitch;
uint8_t JoystickStatus = Joystick_GetStatus();
uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
/* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
if (JoystickChanges & JOY_LEFT)
{
MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3C;
}
if (JoystickChanges & JOY_UP)
{
MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3D;
}
if (JoystickChanges & JOY_RIGHT)
{
MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3E;
}
if (JoystickChanges & JOY_DOWN)
{
MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3F;
}
if (JoystickChanges & JOY_PRESS)
{
MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3B;
}
/* Check if a MIDI command is to be sent */
if (MIDICommand)
{
MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
{
.Event = MIDI_EVENT(0, MIDICommand),
.Data1 = MIDICommand | Channel,
.Data2 = MIDIPitch,
.Data3 = MIDI_STANDARD_VELOCITY,
};
/* Write the MIDI event packet to the endpoint */
Endpoint_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
/* Send the data in the endpoint to the host */
Endpoint_ClearIN();
}
/* Save previous joystick value for next joystick change detection */
PrevJoystickStatus = JoystickStatus;
}
/* Select the MIDI OUT stream */
Endpoint_SelectEndpoint(MIDI_STREAM_OUT_EPADDR);
/* Check if a MIDI command has been received */
if (Endpoint_IsOUTReceived())
{
MIDI_EventPacket_t MIDIEvent;
/* Read the MIDI event packet from the endpoint */
Endpoint_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
/* Check to see if the sent command is a note on message with a non-zero velocity */
if ((MIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_ON)) && (MIDIEvent.Data3 > 0))
{
/* Change LEDs depending on the pitch of the sent note */
LEDs_SetAllLEDs(MIDIEvent.Data2 > 64 ? LEDS_LED1 : LEDS_LED2);
}
else
{
/* Turn off all LEDs in response to non Note On messages */
LEDs_SetAllLEDs(LEDS_NO_LEDS);
}
/* If the endpoint is now empty, clear the bank */
if (!(Endpoint_BytesInEndpoint()))
{
/* Clear the endpoint ready for new packet */
Endpoint_ClearOUT();
}
}
}
/** Task to handle the generation of MIDI note change events in response to presses of the board joystick, and send them
* to the host.
*/
void MIDI_Task(void)
{
static uint8_t PrevJoystickStatus;
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPNUM);
if (Endpoint_IsINReady())
{
uint8_t MIDICommand = 0;
uint8_t MIDIPitch;
uint8_t JoystickStatus = Joystick_GetStatus();
uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
/* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
if (JoystickChanges & JOY_LEFT)
{
MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3C;
}
if (JoystickChanges & JOY_UP)
{
MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3D;
}
if (JoystickChanges & JOY_RIGHT)
{
MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3E;
}
if (JoystickChanges & JOY_DOWN)
{
MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3F;
}
if (JoystickChanges & JOY_PRESS)
{
MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3B;
}
/* Check if a MIDI command is to be sent */
if (MIDICommand)
{
USB_MIDI_EventPacket_t MIDIEvent = (USB_MIDI_EventPacket_t)
{
.CableNumber = 0,
.Command = (MIDICommand >> 4),
.Data1 = MIDICommand | Channel,
.Data2 = MIDIPitch,
.Data3 = MIDI_STANDARD_VELOCITY,
};
/* Write the MIDI event packet to the endpoint */
Endpoint_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent));
/* Send the data in the endpoint to the host */
Endpoint_ClearIN();
}
/* Save previous joystick value for next joystick change detection */
PrevJoystickStatus = JoystickStatus;
}
/* Select the MIDI OUT stream */
Endpoint_SelectEndpoint(MIDI_STREAM_OUT_EPNUM);
/* Check if endpoint is ready to be read from, if so discard its (unused) data */
if (Endpoint_IsOUTReceived())
Endpoint_ClearOUT();
}
/** HID class driver callback function for the creation of HID reports to the host.
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
* \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
* \param[out] ReportData Pointer to a buffer where the created report should be stored
* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
*
* \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
*/
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
uint8_t* const ReportID,
const uint8_t ReportType,
void* ReportData,
uint16_t* const ReportSize)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
/* Determine which interface must have its report generated */
if (HIDInterfaceInfo == &Keyboard_HID_Interface)
{
USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
/* If first board button not being held down, no keyboard report */
if (!(ButtonStatus_LCL & BUTTONS_BUTTON1))
return 0;
KeyboardReport->Modifier = HID_KEYBOARD_MODIFIER_LEFTSHIFT;
if (JoyStatus_LCL & JOY_UP)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_A;
else if (JoyStatus_LCL & JOY_DOWN)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_B;
if (JoyStatus_LCL & JOY_LEFT)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_C;
else if (JoyStatus_LCL & JOY_RIGHT)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_D;
if (JoyStatus_LCL & JOY_PRESS)
KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_E;
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
return false;
}
else
{
USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData;
/* If first board button being held down, no mouse report */
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
return 0;
if (JoyStatus_LCL & JOY_UP)
MouseReport->Y = -1;
else if (JoyStatus_LCL & JOY_DOWN)
MouseReport->Y = 1;
if (JoyStatus_LCL & JOY_LEFT)
MouseReport->X = -1;
else if (JoyStatus_LCL & JOY_RIGHT)
MouseReport->X = 1;
if (JoyStatus_LCL & JOY_PRESS)
MouseReport->Button |= (1 << 0);
*ReportSize = sizeof(USB_MouseReport_Data_t);
return true;
}
}
/** Task to read in note on/off messages from the attached MIDI device and print it to the serial port.
* When the board joystick or buttons are pressed, note on/off messages are sent to the attached device.
*/
void MIDIHost_Task(void)
{
if (USB_HostState != HOST_STATE_Configured)
return;
Pipe_SelectPipe(MIDI_DATA_IN_PIPE);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
MIDI_EventPacket_t MIDIEvent;
Pipe_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
bool NoteOnEvent = (MIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_ON));
bool NoteOffEvent = (MIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_OFF));
if (NoteOnEvent || NoteOffEvent)
{
printf_P(PSTR("MIDI Note %s - Channel %d, Pitch %d, Velocity %d\r\n"), NoteOnEvent ? "On" : "Off",
((MIDIEvent.Data1 & 0x0F) + 1),
MIDIEvent.Data2, MIDIEvent.Data3);
}
}
Pipe_Freeze();
Pipe_SelectPipe(MIDI_DATA_OUT_PIPE);
Pipe_Unfreeze();
if (Pipe_IsOUTReady())
{
uint8_t MIDICommand = 0;
uint8_t MIDIPitch;
static uint8_t PrevJoystickStatus;
uint8_t JoystickStatus = Joystick_GetStatus();
uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
/* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
if (JoystickChanges & JOY_LEFT)
{
MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3C;
}
if (JoystickChanges & JOY_UP)
{
MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3D;
}
if (JoystickChanges & JOY_RIGHT)
{
MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3E;
}
if (JoystickChanges & JOY_DOWN)
{
MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3F;
}
if (JoystickChanges & JOY_PRESS)
{
MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
MIDIPitch = 0x3B;
}
/* Check if a MIDI command is to be sent */
if (MIDICommand)
{
MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
{
.Event = MIDI_EVENT(0, MIDICommand),
.Data1 = MIDICommand | Channel,
.Data2 = MIDIPitch,
.Data3 = MIDI_STANDARD_VELOCITY,
};
/* Write the MIDI event packet to the pipe */
Pipe_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
/* Send the data in the pipe to the device */
Pipe_ClearOUT();
}
Pipe_Freeze();
/* Save previous joystick value for next joystick change detection */
PrevJoystickStatus = JoystickStatus;
}
}
