示例#1
0
int ubertooth_usb_init(VendorRequestHandler *vendor_req_handler)
{
	// initialise stack
	USBInit();
	
	// register device descriptors
	USBRegisterDescriptors(abDescriptors);

	// Request handler 
	v_req_handler = vendor_req_handler;

	// override standard request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_VENDOR, usb_vendor_request_handler, abVendorReqData);

	// register endpoints
	//USBHwRegisterEPIntHandler(BULK_IN_EP, usb_bulk_in_handler);
	//USBHwRegisterEPIntHandler(BULK_OUT_EP, usb_bulk_out_handler);

	// enable USB interrupts
	//ISER0 = ISER0_ISE_USB;

	// connect to bus
	USBHwConnect(TRUE);

	return 0;
}
示例#2
0
void init_usb_msc_device(void)
{
	DBG("Initialising USB stack\n");

	// initialise stack
	USBInit();

	// enable bulk-in interrupts on NAKs
	// these are required to get the BOT protocol going again after a STALL
	USBHwNakIntEnable(INACK_BI);

	// register descriptors
	USBRegisterDescriptors(abDescriptors);

	// register class request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

	// register endpoint handlers
	USBHwRegisterEPIntHandler(MSC_BULK_IN_EP, MSCBotBulkIn);
	USBHwRegisterEPIntHandler(MSC_BULK_OUT_EP, MSCBotBulkOut);

	DBG("Starting USB communication\n");

	// connect to bus
	USBHwConnect(TRUE);
}
/*
 * Application entry point.
 */
int main(void) {
  // thread representing the shell
  Thread *shelltp = NULL;

  /*
   * System initializations.
   * - HAL initialization, this also initializes the configured device drivers
   *   and performs the board-specific initializations.
   * - Kernel initialization, the main() function becomes a thread and the
   *   RTOS is active.
   */
  halInit();
  chSysInit();

  USBInit();

  // main activity - shell respawn upon its termination.
  while (TRUE) {
    if (!shelltp && isUSBActive()) { // Checks if shell doesnt exist and  USB is active
      /* Spawns a new shell.*/
      shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
    }
    else {
      /* If the previous shell exited.*/
      if (chThdTerminated(shelltp)) {
        /* Recovers memory of the previous shell.*/
        chThdRelease(shelltp);
        shelltp = NULL;
      }
    }
    chThdSleepMilliseconds(500);
  }
}
示例#4
0
bool AndroidAccessory::switchDevice(int device) {

    if (1<=getProtocol(device)) {
        log("device supports protocol 1\r\n");

    } else {
        log("could not read device protocol version\r\n");
        return false;
    }


    sendString(device,ACCESSORY_STRING_MANUFACTURER,manufacturer);
    sendString(device,ACCESSORY_STRING_MODEL,model);
    sendString(device,ACCESSORY_STRING_DESCRIPTION,description);
    sendString(device,ACCESSORY_STRING_VERSION,version);
    sendString(device,ACCESSORY_STRING_URI,uri);
    sendString(device,ACCESSORY_STRING_SERIAL,serial);
    USBControlTransfer(device,
                       HOST_TO_DEVICE |REQUEST_TYPE_VENDOR|RECIPIENT_DEVICE,
                       ACCESSORY_START,
                       0,//value
                       0, //index
                       0,
                       0,
                       0,
                       0 );

    wait_ms(4);
    //reset usb host
    USBInit();

    return true;

}
示例#5
0
文件: usb.c 项目: lwalkera/R2C2
void USBSerial_Init(void)
{
  // initialise stack
  USBInit();

  // register descriptors
  USBRegisterDescriptors(abDescriptors);

  // register class request handler
  USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

  // register endpoint handlers
  USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
  USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
  USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);

  // register frame handler
  USBHwRegisterFrameHandler(USBFrameHandler);

  // enable bulk-in interrupts on NAKs
  USBHwNakIntEnable(INACK_BI);

  // initialise VCOM
  serial_init();

  NVIC_EnableIRQ(USB_IRQn);

  // connect to bus
  USBHwConnect(TRUE);
}
void usb_msc_start (void) {

    debug("Initialising USB stack");

    // initialise stack
    USBInit();

    // enable bulk-in interrupts on NAKs
    // these are required to get the BOT protocol going again after a STALL
    USBHwNakIntEnable(INACK_BI);

    // register descriptors
    USBRegisterDescriptors(abDescriptors);

    // register class request handler
    USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

    // register endpoint handlers
    USBHwRegisterEPIntHandler(MSC_BULK_IN_EP, MSCBotBulkIn);
    USBHwRegisterEPIntHandler(MSC_BULK_OUT_EP, MSCBotBulkOut);

    debug("Starting USB communication");

    // connect to bus
    USBHwConnect(true);

    // call USB interrupt handler continuously
    while (1) {
        USBHwISR();
    }
}
void USBSerial_Init(void)
{
    char serialnumber[10] = {0};
    char *pmem117;

    pmem117 = SECTOR_14_START;
    int serialnumber_present = 0;
    for (int i = 0; i < 10; i++) {
        serialnumber[9 - i] = *pmem117;
        pmem117++;
        if(*pmem117 != 0xFF)
            serialnumber_present = 1;
    }
    if(serialnumber_present == 1){
        /*
         * abDescriptors[112+i] -> 112 is the position where the Serial Number string is located in the USB Descriptor
         */
        abDescriptors[SERIAL_ADD] = serialnumber[0];
        abDescriptors[SERIAL_ADD+2] = serialnumber[1];
        abDescriptors[SERIAL_ADD+4] = serialnumber[2];
        abDescriptors[SERIAL_ADD+6] = serialnumber[3];
        abDescriptors[SERIAL_ADD+8] = serialnumber[4];
        abDescriptors[SERIAL_ADD+10] = serialnumber[5];
        abDescriptors[SERIAL_ADD+12] = serialnumber[6];
        abDescriptors[SERIAL_ADD+14] = serialnumber[7];
        abDescriptors[SERIAL_ADD+16] = serialnumber[8];
        abDescriptors[SERIAL_ADD+18] = serialnumber[9];
    }

    // initialise stack
    USBInit();

    // register descriptors
    USBRegisterDescriptors(abDescriptors);

    // register endpoint handlers
    USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
    USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);

    // register frame handler
    USBHwRegisterFrameHandler(USBFrameHandler);

    // enable bulk-in interrupts on NAKs
    USBHwNakIntEnable(INACK_BI); // é gerada uma interrupção sempre que o host tenta ler do EP IN mas este está vazio.

    // initialise VCOM
    fifo_init(&rxfifo, rxbuf);
    fifo_init(&txfifo, txbuf);

    NVIC_EnableIRQ(USB_IRQn);

    // connect to bus
    USBHwConnect(TRUE);
}
示例#8
0
int main() {
	// Setup and initialize the connection
	AdkTerm.setupDevice();
	USBInit();
	// Find the standard start value
	value = interpolate(5.0);
	// Begin the ticker that calls the servochanger
	flipper.attach(&servoChanger, 0.1);
	// continuously call the USB connection
	while(1) {
		USBLoop();
	}
}
示例#9
0
/*
 * main
 */
int main(void) {

    FIO_ENABLE;
    pllstart_seventytwomhz() ;
    mam_enable();
    uart0_init_115200() ;

    DBG(UART0,"Initialising USB stack\n");

    // initialise stack
    USBInit();

    // register descriptors
    USBRegisterDescriptors(abDescriptors);

    // register class request handler
    USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

    // register endpoint handlers
    USBHwRegisterEPIntHandler(INT_IN_EP, NULL);

    // register frame handler
    USBHwRegisterFrameHandler(USBFrameHandler);

    // register device event handler
    USBHwRegisterDevIntHandler(USBDevIntHandler);

    inputIsocDataBuffer[0] = 0;

    DBG(UART0,"Starting USB isoc datatpath test\n");

    VICVectPriority22 = 0x01;
    VICVectAddr22     = (int) USBIntHandler;

    // set up USB interrupt
    VICIntSelect      &= ~(1<<22);     // select IRQ for USB
    VICIntEnable      |= (1<<22);

    vic_enableIRQ();

    // connect to bus
    USBHwConnect(TRUE);

    stream_task();

    return 0;
}
示例#10
0
/*************************************************************************
	main
	====
**************************************************************************/
int main(void)
{
	// PLL and MAM
	Initialize();

	// init DBG
	ConsoleInit(60000000 / (16 * BAUD_RATE));

	// initialise the SD card
	BlockDevInit();

	DBG("Initialising USB stack\n");

	// initialise stack
	USBInit();
	
	// enable bulk-in interrupts on NAKs
	// these are required to get the BOT protocol going again after a STALL
	USBHwNakIntEnable(INACK_BI);

	// register descriptors
	USBRegisterDescriptors(abDescriptors);

	// register class request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);
	
	// register endpoint handlers
	USBHwRegisterEPIntHandler(MSC_BULK_IN_EP, MSCBotBulkIn);
	USBHwRegisterEPIntHandler(MSC_BULK_OUT_EP, MSCBotBulkOut);

	DBG("Starting USB communication\n");

	// connect to bus
	USBHwConnect(TRUE);

	// call USB interrupt handler continuously
	while (1) {
		USBHwISR();
	}
	
	return 0;
}
示例#11
0
void Hardware_::Init()
{
	BOARD_INIT();

	// Resetting because of a brownout power goes down.
	// Stay down buddy
	if (MCUSR == 4)
		PowerOff(); // now in bootloader

	Backlight_Init();
	Timer_Init();
	Accelerometer_Init();
	ADC_Init();
	USBInit();
	Touch_Init();
	sei();

	// Attach stdout to usb serial
	StdOutInit();
}
示例#12
0
/*************************************************************************
  main
  ====
**************************************************************************/
int main_mass_storage(void)
{
  unsigned cpsr;

  // disable global interrupts, do it polling
  cpsr = disableIRQ();

  // initialise the SD card
  BlockDevInit();

  // initialise stack
  USBInit();

  // enable bulk-in interrupts on NAKs
  // these are required to get the BOT protocol going again after a STALL
  USBHwNakIntEnable(INACK_BI);

  // register descriptors
  USBRegisterDescriptors(abDescriptors);

  // register class request handler
  USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

  // register endpoint handlers
  USBHwRegisterEPIntHandler(MSC_BULK_IN_EP, MSCBotBulkIn);
  USBHwRegisterEPIntHandler(MSC_BULK_OUT_EP, MSCBotBulkOut);

  // connect to bus
  USBHwConnect(TRUE);

  // call USB interrupt handler continuously
  while (1) {
    USBHwISR();
  }

  // possibly restore global interrupts (never happens)
  restoreIRQ(cpsr);

  return 0;
}
示例#13
0
void AdkreadCallback(int device, int endpoint, int status, u8* buf, int len, void* userData) {
    log("AdkreadCallback(int device=%d, int endpoint=%x, int status=%d, u8* buf=%p, int len=%d, void* userData=%p)\r\n",
        device,endpoint,status,buf,len,userData);
//    __disable_irq();
    AndroidAccessory* t = (AndroidAccessory*)userData;
    if (status!=0 && status!=8) {
        log("adk end.\r\n");
        t->adkEnd();
//        __enable_irq();
        USBInit();
        return;
    }


    //virtual method run
    t->callbackRead(buf,len);

    USBBulkTransfer(device, endpoint , buf, len, AdkreadCallback, userData);

//    wait_ms(4);
//    __enable_irq();
}
示例#14
0
void platform_setup_usb_cdc(void)
{
	int c;

	printf("Initialising USB stack\n");

	// initialise stack
	USBInit();

	// register descriptors
	USBRegisterDescriptors(abDescriptors);

	// register class request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

	// register endpoint handlers
	USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
	USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
	USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);

	// register frame handler
	USBHwRegisterFrameHandler(USBFrameHandler);

	// enable bulk-in interrupts on NAKs
	USBHwNakIntEnable(INACK_BI);

	// initialise VCOM
	VCOM_init();
	printf("Starting USB communication\n");

	// enable IRQ
	NVIC_EnableIRQ(USB_IRQn);

	// connect to bus

	printf("Connecting to USB bus\n");
	USBHwConnect(TRUE);
}
示例#15
0
USBSerialStream::USBSerialStream(Stream *echoStream) :  m_infifo(512), m_outfifo(512), m_bTransferInProgress(false), m_bDontStartNew(false),
	m_bConnected(false)
{

	// initialise stack
	USBInit();

	// register descriptors
	USBRegisterDescriptors(abDescriptors);

	// register class request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

	// register endpoint handlers
	USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
	USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
	USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);

	USBHwRegisterDevIntHandler(DevIntHandler);
	USBHwRegisterFrameHandler(FrameHandler);

	// enable bulk-in interrupts on NAKs
	//USBHwNakIntEnable(INACK_BI);

	// set up USB interrupt
	VICIntSelect &= ~(1<<22);               // select IRQ for USB
	VICIntEnable |= (1<<22);

	(*(&VICVectCntl0+INT_VECT_NUM)) = 0x20 | 22; // choose highest priority ISR slot 	
	(*(&VICVectAddr0+INT_VECT_NUM)) = (int)USBHandlerSerial;

	UART_puts("Connecting USB\n\r");

	// connect to bus
	USBHwConnect(TRUE);

}
示例#16
0
void MSInit()
{
    //turn off A lot of crap
    CM1CON0bits.C1ON=0;
    CM1CON0=0;
    CM2CON0=0;
    SRCON0bits.SRLEN=0;
    //disable analog
    ANSEL=0;
    ANSELH=0;
    ADCON0bits.ADON=0;

    UARTInit();
    RTCInit();
    EPInit();
    USBInit();
    I2CInit();

    LED_LATCH=0;
    LED_TRIS=0;

    SetLED(0);
    EnableOperation();
}
示例#17
0
void vUSBTask( void *pvParameters )
{
    int c;

    /* Just to prevent compiler warnings about the unused parameter. */
    ( void ) pvParameters;
    DBG("Initialising USB stack\n");

    xRxedChars = xQueueCreate( usbBUFFER_LEN, sizeof( char ) );
    xCharsForTx = xQueueCreate( usbBUFFER_LEN, sizeof( char ) );

    if( ( xRxedChars == NULL ) || ( xCharsForTx == NULL ) )
    {
        /* Not enough heap available to create the buffer queues, can't do
        anything so just delete ourselves. */
        vTaskDelete( NULL );
    }


    // initialise stack
    USBInit();

    // register descriptors
    USBRegisterDescriptors(abDescriptors);

    // register class request handler
    USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

    // register endpoint handlers
    USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
    USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
    USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);

    // register frame handler
    USBHwRegisterFrameHandler(USBFrameHandler);

    // enable bulk-in interrupts on NAKs
    USBHwNakIntEnable(INACK_BI);

    DBG("Starting USB communication\n");

    NVIC_SetPriority( USB_IRQn, configUSB_INTERRUPT_PRIORITY );
    NVIC_EnableIRQ( USB_IRQn );

    // connect to bus

    DBG("Connecting to USB bus\n");
    USBHwConnect(TRUE);

    // echo any character received (do USB stuff in interrupt)
    for( ;; )
    {
        c = VCOM_getchar();
        if (c != EOF)
        {
            // Echo character back with INCREMENT_ECHO_BY offset, so for example if
            // INCREMENT_ECHO_BY is 1 and 'A' is received, 'B' will be echoed back.
            VCOM_putchar(c + INCREMENT_ECHO_BY );
        }
    }
}
/*************************************************************************
	main
	====
**************************************************************************/
int main(void)
{
	int c, i;
	
	IODIR0 |= (1<<10);
	
	
	// PLL and MAM
	HalSysInit();

#ifdef LPC214x
	// init DBG
	ConsoleInit(60000000 / (16 * BAUD_RATE));
#else
	// init DBG
	ConsoleInit(72000000 / (16 * BAUD_RATE));
#endif

	DBG("Initialising USB stack\n");

	// initialise stack
	USBInit();

	configureADCPort(AD0_3);
	
	// register descriptors
	USBRegisterDescriptors(abDescriptors);

	// register class request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

	// register endpoint handlers
	USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
		
	// register frame handler
	USBHwRegisterFrameHandler(USBFrameHandler);
	
	// register device event handler
	USBHwRegisterDevIntHandler(USBDevIntHandler);
	
	
	char ch = 'a';
	for (i = 0; i < BYTES_PER_ISOC_FRAME; i++) {
		inputIsocDataBuffer[i] = ch;
		ch = (ch == 'z' ? 'a' : (ch + 1));
	}
	
	DBG("Starting USB communication\n");

#ifdef LPC214x
	(*(&VICVectCntl0+INT_VECT_NUM)) = 0x20 | 22; // choose highest priority ISR slot 	
	(*(&VICVectAddr0+INT_VECT_NUM)) = (int)USBIntHandler;
#else
  VICVectCntl22 = 0x01;
  VICVectAddr22 = (int)USBIntHandler;
#endif
  
	// set up USB interrupt
	VICIntSelect &= ~(1<<22);               // select IRQ for USB
	VICIntEnable |= (1<<22);
	
	enableIRQ();

	// connect to bus
	USBHwConnect(TRUE);
	
	int x = 0;
		
	const int interval = 100000;
	// echo any character received (do USB stuff in interrupt)
	
	for(;;) {
		x++;
		U32 temp = cADC_Result(AD0_3);
		if( temp >= 0 && temp <= 1024 )
			inputIsocDataBuffer[ADC_INPUT_INDEX] = temp;
		
		
		inputIsocDataBuffer[BUTTON1_INPUT_INDEX] = ((IOPIN0 & (1<<15)) ? 1 : 0);
		inputIsocDataBuffer[BUTTON2_INPUT_INDEX] = ((IOPIN0 & (1<<16)) ? 1 : 0);
		
		if (x == interval) {
			
			IOSET0 = (1<<11);
			//turn on led	
		    
		} else if (x >= (interval*2)) {
			IOCLR0 = (1<<11);
			//turn off led
			x = 0;
		}
	}

	return 0;
}
示例#19
0
文件: main.c 项目: swanger/LinearCCD
int main()
{
     __disable_irq();


    // ------------------------------------------------------------------ 
    // Desc: System Clk Config
    //
    //  HCLK = PCLK2 = SYSCLK = 72M 
    //  PCLK1 = 36M
    // ------------------------------------------------------------------ 
     SystemInit();
     // SysTick_Config(SystemCoreClock / 1000);

#if 0 
     // ------------------------------------------------------------------ 
     // Desc: CLK OUTPUT for measure
     // ------------------------------------------------------------------ 

     //PA8 alternate mode
     GPIO_InitTypeDef        GPIO_InitStructure;

     RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);

     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
     GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
     GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
     GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
     GPIO_Init(GPIOA, &GPIO_InitStructure);

     GPIO_PinAFConfig(GPIOA, GPIO_PinSource8, GPIO_AF_0);    

     RCC_MCOConfig(RCC_MCOSource_PLLCLK,RCC_MCOPrescaler_1);
     // while(1);
#endif


     // ------------------------------------------------------------------ 
     // Desc: Debug 
     // ------------------------------------------------------------------ 
     DebugInit();
     // d_printf("UART debug Init OK\r\n");

     // ------------------------------------------------------------------ 
     // Desc: ILX511 CLK ON
     // ------------------------------------------------------------------ 
#if 1
     {
         GPIO_InitTypeDef        GPIO_InitStructure;
         RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

         GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
         GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
         GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
         GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
         GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
         GPIO_Init(GPIOB, &GPIO_InitStructure);
     }
#endif

#if 0
     ILX_Init();
     __enable_irq();
     ILX_CLKOn();
     delay_nms(50);//CCD power up

     ConvertOn();
#endif


#if 0

     d_printf("\r\n-------------------\r\n");
     {
         uint32_t i;
         for(i=32;i<2048+32;i++)
             d_printf("0x%04X ",data[i]);

     }
#endif


#if 0
    USBInit();
#endif

#if 0
    while (1)
    {
        if (bDeviceState == CONFIGURED)
        {
            CDC_Receive_DATA();
            if (Receive_length  != 0)
            {
                if (packet_sent == 1)
                    CDC_Send_DATA ((unsigned char*)Receive_Buffer,Receive_length);
                Receive_length = 0;
            }
        }
    }
#endif

     while(1);

    return 0;
}
示例#20
0
/*************************************************************************
	main
	====
**************************************************************************/
int main(void)
{
    int x = 0;

    const int interval = 200000;

    FIO_ENABLE;

    vic_disableIRQ();

    pllstart_seventytwomhz() ;
    // pllstart_sixtymhz() ;
    //   pllstart_fourtyeightmhz() ;

    mam_enable();

    info_init();

    uart0_init_115200() ;

    uart0_putstring("\n***Starting gfe color led test***\n\n");
    uart0_putstring("\n***Board is defined as: ");

    uart0_putstring( infoquery_gfe_boardtag() );

    uart0_putstring(" ***\n");

    init_color_led();

    RED_LED_OFF;
    BLUE_LED_OFF;
    GREEN_LED_OFF;

    printf_lpc(UART0,"5 FAST flashes...red, blue then green\n");
    color_led_flash(5, RED_LED, FLASH_FAST ) ;
    RED_LED_OFF;
    color_led_flash(5, BLUE_LED,  FLASH_FAST ) ;
    BLUE_LED_OFF;
    color_led_flash(5, GREEN_LED, FLASH_FAST ) ;
    GREEN_LED_OFF;
    uart0_putstring(" ** END OF TEST ""\n");

    printf_lpc(UART0, "Initialising USB stack\n");

    // initialize stack
    USBInit();

    // register descriptors
    USBRegisterDescriptors(abDescriptors);

    // register class request handler
    USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

    // register endpoint handlers
    USBHwRegisterEPIntHandler(INT_IN_EP, NULL);

    // register frame handler
    USBHwRegisterFrameHandler(USBFrameHandler);

    // register device event handler
    USBHwRegisterDevIntHandler(USBDevIntHandler);

    inputIsocDataBuffer[0] = 0;

    printf_lpc(UART0, "Starting USB communication\n");

    VICVectPriority22  = 0x01;         // 0x0 is highest priority, 0xF is lowest
    VICVectAddr22      = (unsigned int)USBIntHandler;
    VICAddress         = 0x0;

    printf_lpc(UART0, "addresses entered\n");

    ENABLE_USB_IRQ;

    printf_lpc(UART0, "USB IRQ Enabled\n");

    vic_enableIRQ();

    printf_lpc(UART0, "vic_enable\n");

    ENABLE_USB_INT;

    printf_lpc(UART0, "USB INT Enabled\n");



    //printf_lpc(UART0, "connect to bus\n");
//
//	// connect to bus
    USBHwConnect(TRUE);
//

    for(;;) {
        x++;

        if (x == interval) {
            RED_LED_ON;
        } else if (x >= (interval*2)) {
            x = 0;
            RED_LED_OFF;
        }
    }

    return 0;
}
示例#21
0
/*************************************************************************
	main
	====
**************************************************************************/
int main(void)
{
	// USB: Init
	// CAS -> Initialization of KbdInputReport to initial values (0,0,0,0,..)
	HIDDKbdInputReport_Initialize (&KbdInputReport);

	// CAS -> Variable used to simulate the pressing of Letter A (0x04)
	int i;

	DBG("Initialising USB stack\n");
	
	// CAS -> Variable used to simulate the pressing of Letter A (0x04)
	// 	USBInit()
	//		USBHwInit()										HW Init
	//			-> Set Pins for USB, AHBClock, ACK generate interrupts
	//		USBHwRegisterDevIntHandler(HandleUsbReset)
	//			-> Define un handler (HandleUsbReset).
	//
	// initialize stack
	USBInit();
	
	// register device descriptors
	USBRegisterDescriptors(abDescriptors);

	// register HID standard request handler
	USBRegisterCustomReqHandler(HIDHandleStdReq);

	// register class request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

	// register endpoint (2?). Interrupt In Endpoint
	USBHwRegisterEPIntHandler(INTR_IN_EP, NULL);

	// register frame handler
	USBHwRegisterFrameHandler(HandleFrame);
	
	DBG("Starting USB communication\n");


	// connect to bus
	USBHwConnect(TRUE);

	//RC5: Init
	GPIO_SetDir(0,1<<4,1);
	GPIO_SetDir(0,1<<5,1);

	GPIO_SetValue(0,1<<5);
	GPIO_SetValue(0,1<<4);


	RC5_Init();

	// main() Loop:


	// call USB interrupt handler continuously
	
	// CodeRed - either read mouse, or provide "fake mouse readings"
	while (1)
	{

		for (i=0; i<10;  i++) {


			// RC5
		    if (RC5_flag)                      // wait for RC5 code
		    	    {

		      if((RC5_System==0)&&(RC5_Command==1)){
		      GPIO_ClearValue(0,1<<4);
		      for(i=0;i<1000000;i++);
		      GPIO_SetValue(0,1<<4);
		      for(i=0;i<1000000;i++);
		      }

		      if((RC5_System==0)&&(RC5_Command==5)){
		      GPIO_ClearValue(0,1<<5);
		      for(i=0;i<1000000;i++);
		      GPIO_SetValue(0,1<<5);
		      for(i=0;i<1000000;i++);
		      }

		      RC5_flag = 0;
		      printf( "RC5 =  %d   %d\n", RC5_System, RC5_Command);
		    }
		    // RC5

		  USBHwISR();
		  if (i < 5) {
			  KbdInputReport.Key_1 = 0x04;
		  }
		  else {
			  KbdInputReport.Key_1 = 0x00;
		  }
		}
		
	}
	
	return 0;
}
示例#22
0
文件: isoc_ep.c 项目: psas/node-usb
/*************************************************************************
	main
	====
**************************************************************************/
int main(void)
{
	int c, i;
	
	// PLL and MAM
	HalSysInit();

#ifdef LPC214x
	// init DBG
	ConsoleInit(60000000 / (16 * BAUD_RATE));
#else
	// init DBG
	ConsoleInit(72000000 / (16 * BAUD_RATE));
#endif

	configureADCPort(AD0_3);

	
	DBG("Initialising USB stack\n");

	// initialise stack
	USBInit();

	// register descriptors
	USBRegisterDescriptors(abDescriptors);

	// register class request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

	// register endpoint handlers
	USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
		
	// register frame handler
	USBHwRegisterFrameHandler(USBFrameHandler);
	
	// register device event handler
	USBHwRegisterDevIntHandler(USBDevIntHandler);
	
	USBInitializeUSBDMA(udcaHeadArray);
	USBEnableDMAForEndpoint(ISOC_IN_EP);
	
	DBG("Starting USB communication\n");

#ifdef LPC214x
	(*(&VICVectCntl0+INT_VECT_NUM)) = 0x20 | 22; // choose highest priority ISR slot 	
	(*(&VICVectAddr0+INT_VECT_NUM)) = (int)USBIntHandler;
#else
  VICVectCntl22 = 0x01;
  VICVectAddr22 = (int)USBIntHandler;
#endif
  
	// set up USB interrupt
	VICIntSelect &= ~(1<<22);               // select IRQ for USB
	VICIntEnable |= (1<<22);
	
	enableIRQ();

	// connect to bus
	USBHwConnect(TRUE);
	
	int x = 0;
	c = EOF;
	
	
	//populate source data with all 'B's
	for(i = 0; i < ISOC_INPUT_DATA_BUFFER_SIZE; i++ ) {
		inputIsocDataBuffer[i] = 'B';
	}

	
	int cnt = 0;
	const int interval = 100000;
	// echo any character received (do USB stuff in interrupt)
	
	for(;;) {
		x++;
		U32 temp = cADC_Result(AD0_3);
		if( temp >= 0 && temp <= 1024 )
			currentADCReadValue = temp;
		
		if (x == interval) {
			qq++;
			
			IOSET0 = (1<<11);
			//turn on led	
		    
		} else if (x >= (interval*2)) {
			IOCLR0 = (1<<11);
			//turn off led
			x = 0;
		}
	}

	return 0;
}
示例#23
0
int main (void)
{
    OS_ERR   os_err;
#if (CPU_CFG_NAME_EN == DEF_ENABLED)
    CPU_ERR  cpu_err;
#endif

    BSP_PreInit();                                 /* initialize basic board support routines */

#if (CPU_CFG_NAME_EN == DEF_ENABLED)
    CPU_NameSet((CPU_CHAR *)CSP_DEV_NAME,
                (CPU_ERR  *)&cpu_err);
#endif

    Mem_Init();                                       /* Initialize memory management  module */

    OSInit(&os_err);                                                        /* Init uC/OS-III */

//    Debug_printf(Debug_Level_1, "Starting init");
#if 0
    /* Enable Timer0 Interrupt.*/
    CSP_IntVectReg((CSP_DEV_NBR   )CSP_INT_CTRL_NBR_MAIN,
                   (CSP_DEV_NBR   )CSP_INT_SRC_NBR_TMR_00,
                   (CPU_FNCT_PTR  )App_TMR0_IntHandler,
                   (void         *)0);
    CSP_IntEn(CSP_INT_CTRL_NBR_MAIN, CSP_INT_SRC_NBR_TMR_00);

    /* Enable Timer1 Interrupt.*/
    CSP_IntVectReg((CSP_DEV_NBR   )CSP_INT_CTRL_NBR_MAIN,
                   (CSP_DEV_NBR   )CSP_INT_SRC_NBR_TMR_01,
                   (CPU_FNCT_PTR  )App_TMR1_IntHandler,
                   (void         *)0);
    CSP_IntEn(CSP_INT_CTRL_NBR_MAIN, CSP_INT_SRC_NBR_TMR_01);

    /* Enable Timer2 Interrupt.*/
    CSP_IntVectReg((CSP_DEV_NBR   )CSP_INT_CTRL_NBR_MAIN,
                   (CSP_DEV_NBR   )CSP_INT_SRC_NBR_TMR_02,
                   (CPU_FNCT_PTR  )App_TMR2_IntHandler,
                   (void         *)0);
    CSP_IntEn(CSP_INT_CTRL_NBR_MAIN, CSP_INT_SRC_NBR_TMR_02);
    
    CSP_TmrInit();
    CSP_TmrCfg (CSP_TMR_NBR_00,TIMER_FREQ);
    CSP_TmrCfg (CSP_TMR_NBR_01,TIMER_FREQ);
    CSP_TmrCfg (CSP_TMR_NBR_02,TIMER_FREQ);
#endif

#if 0
    // Init the Ethernet PHY
    EMAC_PinCfg();
    emacConfigStruct.Mode = EMAC_MODE_100M_FULL;
    emacConfigStruct.pbEMAC_Addr = EthernetLinkLayer_macAddress();
    OS_EMAC_Init(EthernetLinkLayer_rxSemaphore());
    EMAC_Init(&emacConfigStruct);
    EMAC_SetFilterMode(EMAC_RFC_UCAST_EN, ENABLE);
    EMAC_SetFilterMode(EMAC_RFC_BCAST_EN, ENABLE);
    EMAC_SetFilterMode(EMAC_RFC_MCAST_EN, ENABLE);
    EMAC_SetFilterMode(EMAC_RFC_PERFECT_EN, ENABLE);
    EMAC_SetFilterMode(EMAC_RFC_MAGP_WOL_EN, DISABLE);
    EMAC_SetFilterMode(EMAC_RFC_PFILT_WOL_EN, DISABLE);
    
    // Init the Ethernt interrupt vecotrs
    CSP_IntVectReg((CSP_DEV_NBR   )CSP_INT_CTRL_NBR_MAIN,
                   (CSP_DEV_NBR   )CSP_INT_SRC_NBR_ETHER_00,
                   (CPU_FNCT_PTR  )CSP_IntETH_Handler,
                   (void         *)0);
    CSP_IntEn(CSP_INT_CTRL_NBR_MAIN, CSP_INT_SRC_NBR_ETHER_00);
    
    EthernetLinkLayer_setMacAddress(macAddress);
    Ip_initialize();
    Ip_setIPv4Address(ipv4Address);
#endif

#if 0
    USBInit();                                               /* USB Initialization */
    /* register descriptors */
    USBRegisterDescriptors(abDescriptors);                   /* USB Descriptor Initialization */

    /* register endpoint handlers */
    USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);           /* register BulkIn Handler for EP */
    USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);         /* register BulkOut Handler for EP */
    USBHwRegisterEPIntHandler(INT_IN_EP, NULL);

    USBHwEPConfig(BULK_IN_EP, MAX_PACKET_SIZE);   /* Configure Packet Size for outgoing Transfer */
    USBHwEPConfig(BULK_OUT_EP, MAX_PACKET_SIZE);  /* Configure Packet Size for incoming Transfer */

    /* enable bulk-in interrupts on NAKs */
    USBHwNakIntEnable(INACK_BI);
#endif
    //Cb_initialize(&cncQueueBuffer, CNC_QUEUE_BUFFER_SIZE, sizeof(QueueItem), (void*)&cncQueueBufferData);
    
//    Debug_printf(Debug_Level_1, "Init finished");

    if(os_err != OS_ERR_NONE)
        for(;;);

    OSTaskCreate((OS_TCB      *)&App_TaskStartTCB,                  /* Create the Start Task */
                 (CPU_CHAR    *)"Start",
                 (OS_TASK_PTR  )App_TaskStart,
                 (void        *)0,
                 (OS_PRIO      )4,
                 (CPU_STK     *)App_TaskStartStk,
                 (CPU_STK_SIZE )APP_CFG_TASK_START_STK_SIZE_LIMIT,
                 (CPU_STK_SIZE )APP_CFG_TASK_START_STK_SIZE,
                 (OS_MSG_QTY   )0u,
                 (OS_TICK      )0u,
                 (void        *)0,
                 (OS_OPT       )(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
                 (OS_ERR      *)&os_err);

    OSStart(&os_err);                                                   /* Start Multitasking */
    if(os_err != OS_ERR_NONE)                                         /* shall never get here */
        for(;;);
    return (0);
}
示例#24
0
/*************************************************************************
    main
    ====
**************************************************************************/
int main(void)
{
    GO go_entry;

    // PLL and MAM
    Initialize();

    // init DBG
    ConsoleInit(CCLK / (16 * BAUD_RATE));

    DBG("Initialising USB stack\n");

    write_ram_len=0;
    read_mem_len=0;
    unlocked=0;
    bEcho=1;

    // initialise stack
    USBInit();

    // register descriptors
    USBRegisterDescriptors(abDescriptors);

    // register vendor request handler
    USBRegisterRequestHandler(REQTYPE_TYPE_VENDOR, HandleVendorRequest);

    // register pre request handler
    USBRegisterPreRequestHandler(PreHandleRequest);

    DBG("Starting USB communication\n");

    // connect to bus
    USBHwConnect(TRUE);

    start_app = 0;

    // call USB interrupt handler continuously
    while (1)
    {
        USBHwISR();

        if (start_app == 1)
        {
            volatile unsigned int count;

            // wait some time until response is sent
            for (count=0;count<10000;count++) USBHwISR();

            // disconnect from bus
            USBHwConnect(FALSE);

            // wait some ms so that called app might safely re-connect usb
            for (count=0;count<300000;count++) count=count;

            go_entry = (GO) (start_adr);
            go_entry();
        }
    }

    return 0;
}
示例#25
0
/*************************************************************************
	main
	====
**************************************************************************/
bool  USBStart(void)
{
	int c;
	


	// initialise stack
	USBInit();

	// register descriptors
	USBRegisterDescriptors(abDescriptors);

	// register class request handler
	USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

	// register endpoint handlers
	USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
	USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
	USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);
	
	// register frame handler
	USBHwRegisterFrameHandler(USBFrameHandler);
	
	// register device event handler
	USBHwRegisterDevIntHandler(USBDevIntHandler);

	// initialise VCOM
	VCOM_init();



      VICVectCntl22 = 0x01;
      VICVectAddr22 = (int)USBIntHandler;

  
	// set up USB interrupt
	VICIntSelect &= ~(1<<22);               // select IRQ for USB
	VICIntEnable |= (1<<22);
	

	// connect to bus
	USBHwConnect(TRUE);

#if TCM
	// echo any character received (do USB stuff in interrupt)
	while (1) {
		c = VCOM_getchar();
		if (c != EOF) {
			// show on console
			if ((c == 9) || (c == 10) || (c == 13) || ((c >= 32) && (c <= 126))) {
				DBG("%c", c);
			}
			else {
				DBG(".");
			}
			VCOM_putchar(c);
		}
	}

	return 0;
#endif
 return true;
}
示例#26
0
int main() {
	BOOT_INIT;

	#ifdef LED_PORT
		LED_PORT->FIODIR |= 1<<LED_PIN;
	#endif
		//init_printf(NULL, vcom_putc);
		//printf("a\n");
//	#ifdef LED_PORT
//		LED_PORT->FIOCLR |= 1<<LED_PIN;
//	#endif

	int rstsrc = LPC_SC->RSID & 0xF;
	uint8_t wdreset = (rstsrc & (1<<2)) /*|| rstsrc == 0*/;

	LPC_SC->RSID = 0xF;

#ifdef P2_10_RESET
	if(!(LPC_GPIO2->FIOPIN & 1<<10)) {
		LPC_SC->RSID = 0xF;
		NVIC_SystemReset();
	}
#endif

	if(!BOOT_ENTRY_CONDITION) {
		if(!wdreset && user_code_present()
#ifdef P2_10_RESET
		&& !(LPC_GPIO2->FIODIR & (1<<10))
#endif

		) {
			//delay_busy(1000);
			execute_user_code();
		}
	}

	SystemInit();
	_segs_init();

	//uart_init();
	//init_printf(NULL, vcom_putc);

	SYSTICK_InternalInit(1);
	SYSTICK_IntCmd(ENABLE);
	SYSTICK_Cmd(ENABLE);

#ifdef USB_CONNECT_PORT
	USB_CONNECT_PORT->FIODIR |= 1<<USB_CONNECT_PIN;
#ifdef USB_CONNECT_INVERT
	USB_CONNECT_PORT->FIOSET |= 1<<USB_CONNECT_PIN;
#endif
#endif

	USBInit();

	USBRegisterDescriptors(abDescriptors);
	//USBHwRegisterDevIntHandler(on_usb_device_status);

	usb_boot_init();

	usbConnect(TRUE);

	NVIC_EnableIRQ(USB_IRQn);

	//printf("labas\n");
	uint8_t timeout = 50;

	while(1) {

		//LED_PORT->FIOSET |= 1<<LED_PIN;


#ifdef LED_PORT
		delay_busy(80);
		LED_PORT->FIOSET |= 1<<LED_PIN;
		delay_busy(80);
		LED_PORT->FIOCLR |= 1<<LED_PIN;
#else
		delay_busy(160);
#endif
		timeout--;
		if(timeout == 0 && wdreset && dfu_state == DFU_STATE_dfuIDLE) {
			//LPC_SC->RSID |= 1<<2; //clear wd reset bit
			usbConnect(FALSE);
			NVIC_SystemReset();
		}

#ifdef P2_10_RESET
		// if P2.10 is low, reset the system to enter ISP
		if(!(LPC_GPIO2->FIOPIN & 1<<10)) {
			NVIC_SystemReset();
		}
#endif


	}
}
示例#27
0
文件: multiEp.c 项目: psas/node-usb
/*************************************************************************
        main
        ====
**************************************************************************/
int main(void)
{

    ///////////////////////////////////////////////////
    // PRELUDE
    ///////////////////////////////////////////////////
        
    // PLL and MAM
    HalSysInit();

#ifdef LPC214x
    // init DBG
    ConsoleInit(60000000 / (16 * BAUD_RATE));
#else
    // init DBG
    ConsoleInit(72000000 / (16 * BAUD_RATE));
#endif

    DBG("Initialising USB stack\n");

    // initialise stack
    USBInit();

    // enable bulk-in interrupts on NAKs
    USBHwNakIntEnable(INACK_BI);
    
    // register descriptors
    USBRegisterDescriptors(isoDescriptors);
    
	//USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);


    // register endpoint handlers
    USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
    USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
    USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);

    // USBHwRegisterEPIntHandler(ISOC_OUT_EP, IsocOut);
                
    // register frame handler
    //USBHwRegisterFrameHandler(USBFrameHandler);
        
    // register device event handler
    USBHwRegisterDevIntHandler(USBDevIntHandler);
    bulk_init();
    
    DBG("Starting USB communication\n");

#ifdef LPC214x
    (*(&VICVectCntl0+INT_VECT_NUM)) = 0x20 | 22; // choose highest priority ISR slot        
    (*(&VICVectAddr0+INT_VECT_NUM)) = (int)USBIntHandler;
#else
    VICVectCntl22 = 0x01;
    VICVectAddr22 = (int)USBIntHandler;
#endif
  
    // set up USB interrupt
    VICIntSelect &= ~(1<<22);               // select IRQ for USB
    VICIntEnable |= (1<<22);
        
    enableIRQ();
        
    // connect to bus
    USBHwConnect(TRUE);


    /////////////////////////////////////////////
    // FUNCTION
    /////////////////////////////////////////////

    // int

    // bulk   - echo




    // isoc A - regular - Broadcast numbers

    // isoc B - dma -echo

    // isoc C - dma
    


    //////////////////////////////////////////
    // DEBUG LIGHTS
    //////////////////////////////////////////

    int c;
    int x = 0;
    int ch  ='a';
    c = EOF;
        
    // echo any character received (do USB stuff in interrupt)
    while (1) {

            
        // Turn light on and off.
                
        x++;
        if (x == 400000) {
                        
            IOSET0 = (1<<11);
            //turn on led
                        
            if( ch > 'z' ) {
                ch = 'a';
            }

            ch++;
                    
        } else if (x >= 800000) {
            IOCLR0 = (1<<11);
            //turn off led
            x = 0;
        }

    }

    return 0;
}
示例#28
0
int main(void) {
  MainInit();
  I2C1init();
  RtcInit();
  LcdInit();
  DataLogInit();
  StringInit();
  Mct485Init();
  FieldInit();
  Ads1115Init();
  Ads1244Init();
  USBInit();
  RtuInit();
  AdcInit();
  TC74Init();

  // enable multi-vector interrupts
  INTEnableSystemMultiVectoredInt();

  MainDelay(50);
  DataLogDateTime(DLOG_SFC_POWERUP);

  // init param after interrupts are enabled 
  ParamInit();
  // wait to init desiccant until after ParamInit
  DesiccantInit();

  string[0].mct[0].chan[4] = 0x7FFF;



	// 
	// Begin Main Loop
	//
  for (;;) {
    if (test == 1) {
      test = 0;
      FieldNewState((FIELD_STATE_m)t1);
    }
    
    USBUpdate(); // called as often as possible
    
    //sysTickEvent every ms
    if (sysTickEvent) {
      sysTickEvent = 0;
      sysTicks++;

      UsbTimeoutUpdate();

      LcdUpdate();
      
      // fill time before dropping LCD_E
      if (sysTicks >= 1000) {
        sysSec++;
        sysTicks = 0;
        
        mPORTDToggleBits(PD_LED_HEARTBEAT);
        
        // These Updates are 
        // called once a second
        //TODO if any of these are long, we could split them on separate milliseconds.
        DesiccantUpdate();
        AdcUpdate();
        TC74Update();
        
      }// end 1 Hz
      
      else if (sysTicks == 250) {
        mPORTDToggleBits(PD_LED_HEARTBEAT);
      }
      else if (sysTicks == 500) {
        mPORTDToggleBits(PD_LED_HEARTBEAT);
      }
      else if (sysTicks == 750) {
        mPORTDToggleBits(PD_LED_HEARTBEAT);
      }
      // Complete LcdUpdate() by dropping LCD_E)
      PORTClearBits(IOPORT_G, PG_LCD_E);

      // These Updates called once each millisecond
      RtcUpdate();
      I2C1update();
      StringUpdate();
      Mct485Update();
      FieldUpdate();
      RtuUpdate();
      DessicantFanPWMupdate();
      
    } // if (sysTickEvent)
  } // for (;;)
} // main()
示例#29
0
/*************************************************************************
	main
	====
**************************************************************************/
int main(void)
{
    IODIR0 |= (1<<10);//Debug LED on the olimex 2148 dev board set to output mode
    IODIR0 |= (1<<11);//Debug LED on the olimex 2148 dev board set to output mode

    // PLL and MAM
    HalSysInit();

#ifdef LPC214x
    // init DBG
    ConsoleInit(60000000 / (16 * BAUD_RATE));
#else
    // init DBG
    ConsoleInit(72000000 / (16 * BAUD_RATE));
#endif

    DBG("Initialising USB stack\n");

    // initialise stack
    USBInit();

    // register descriptors
    USBRegisterDescriptors(abDescriptors);

    // register class request handler
    USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);

    // register endpoint handlers
    USBHwRegisterEPIntHandler(INT_IN_EP, NULL);

    // register frame handler
    USBHwRegisterFrameHandler(USBFrameHandler);

    // register device event handler
    USBHwRegisterDevIntHandler(USBDevIntHandler);

    inputIsocDataBuffer[0] = 0;

    USBInitializeUSBDMA(udcaHeadArray);
    USBEnableDMAForEndpoint(ISOC_IN_EP);

    DBG("Starting USB communication\n");

#ifdef LPC214x
    (*(&VICVectCntl0+INT_VECT_NUM)) = 0x20 | 22; // choose highest priority ISR slot
    (*(&VICVectAddr0+INT_VECT_NUM)) = (int)USBIntHandler;
#else
    VICVectCntl22 = 0x01;
    VICVectAddr22 = (int)USBIntHandler;
#endif

    // set up USB interrupt
    VICIntSelect &= ~(1<<22);               // select IRQ for USB
    VICIntEnable |= (1<<22);

    enableIRQ();

    // connect to bus
    USBHwConnect(TRUE);

    int x = 0;

    const int interval = 200000;
    // echo any character received (do USB stuff in interrupt)

    for(;;) {
        x++;

        if (x == interval) {
            IOSET0 = (1<<11);//turn on led on olimex dev board
        } else if (x >= (interval*2)) {
            IOCLR0 = (1<<11);//turn off led on olimex dev board
            x = 0;
        }
    }

    return 0;
}