/***************************************************************************** Copyright(c) 2005 Analog Devices, Inc. All Rights Reserved. This software is proprietary and confidential to Analog Devices, Inc. and its licensors. ****************************************************************************** $RCSfile: JPEGImageEdgeDetection_main.c,v $ $Revision: 1.5 $ $Date: 2007/11/21 06:12:43 $ Project: BlackfinSDK (JPEG Image Edge Detection) Title: main program Author(s): bmk Revised by: bmk Description: Main program for JPEG Image Edge Detection References: None ****************************************************************************** Tab Setting: 4 Target Processor: ADSP-BF5xx Target Tools Revision: ADSP VisualDSP++ v4.5 ****************************************************************************** Modification History: ==================== $Log: JPEGImageEdgeDetection_main.c,v $ Revision 1.5 2007/11/21 06:12:43 randreol Fix for ECO 2007101 SCLK must be set to no greater than 100 MHz Revision 1.4 2007/11/15 04:00:55 randreol Workaround to resolve interrupt conflict with new USB driver. Push button Interrupt level is modified by USB driver. Revision 1.3 2007/10/17 06:52:37 randreol Port to VDSP 5.0 Revision 1.2 2007/05/23 02:29:17 randreol Changes in ssl_init and VDSP5.0 porting Revision 1.2 2006/11/20 05:56:50 bmk Merged BF533 & BF561 Fixed BF561 cache issue Revision 1.1 2006/11/03 07:11:18 bmk SDK 2.0 files - Initial Entry *****************************************************************************/ #pragma default_section(CODE, "sdram0_bank1") /**************** Includes ****************/ #include // system includes // USB includes #include #include #include #include // adi bulk driver header file #include // supported USB commands #include // USB I/O functions for Blackfin /******************************** Firmware version string info ********************************/ #pragma align 4 char FwVersionInfo[NUM_VERSION_STRINGS][MAX_VERSION_STRING_LEN] = { "JPEG Image Edge Detection",// Application name #if defined(__ADSPBF533__) "ADSP-BF533", // target processor #elif defined(__ADSPBF561__) "ADSP-BF561", // target processor #endif __DATE__, // build date __TIME__, // build time "02.00.00", // version number #if defined(__ADSPBF533__) "Onboard Video Codecs in ADSP-BF533 EZ-KIT Lite"}; // Video Interface #elif defined(__ADSPBF561__) "Onboard Video Codecs in ADSP-BF561 EZ-KIT Lite"}; // Video Interface #endif /******************************** USB data structures ********************************/ // one-dimensional buffer to Tx/Rx Data to/from USB host static ADI_DEV_1D_BUFFER HostBuffer; section ("L1_data_b") static USBCB usbcb; // USB command block static USBCB *pusbcb = &usbcb; // pointer to USBCB /********************************************************************* Function: Main Description: Main Function for JPEG Image Edge Detection *********************************************************************/ // place this part of code in L1 section ("App_Code_L1") void main(void) { u32 Result = ADI_DEV_RESULT_SUCCESS; // default result PDEVICE_DESCRIPTOR pDevDesc; // device descriptor ptr // USB device not configured yet Net2272Ready = FALSE; // Initialises system parameters InitSystem(); // Initialises & calls Cache/Heap install for JPEG InstallMemory(); // Install system services InstallSystemServices(); #if defined(__ADSPBF561__) // Workaround for EzKit 561 and USB/LAN Extender Rev 2.0 BOM 1.6 see ECO 2007101 // SCLK must be set to no greater than 100 MHz adi_pwr_SetFreq( 500000000, 100000000, ADI_PWR_DF_NONE ); #endif /* get a pointer to the device descriptor which is maintained by the usb core */ pDevDesc = adi_usb_GetDeviceDescriptor(); if (!pDevDesc) { idle();//failure(); } /* customize the device descriptor for this device */ pDevDesc->wIdVendor = USB_VID_ADI_TOOLS; #if defined(__ADSPBF533__) pDevDesc->wIdProduct = USB_PID_BF533KIT_NET2272EXT_BULK; #elif defined(__ADSPBF537__) pDevDesc->wIdProduct = USB_PID_BF537KIT_NET2272EXT_BULK; #elif defined(__ADSPBF561__) pDevDesc->wIdProduct = USB_PID_BF561KIT_NET2272EXT_BULK; #else #error *** Processor not supported *** #endif // Enable USB EnableUSBdriver(); // Initialise Blackfin Port flag connected to Ez-Kit Toggle Display button InitButton(TOGGLE_DISPLAY_BUTTON); // initialize the USB Host buffer to process usbcb HostBuffer.Data = (void*)&usbcb; // always point to usb command block as default HostBuffer.ElementCount = sizeof(usbcb); // Transfer/Receive data of usb command block size HostBuffer.ElementWidth = 1; // Tx/Rx 1 byte at a time HostBuffer.CallbackParameter = NULL; // Callback parameter HostBuffer.ProcessedFlag = FALSE; HostBuffer.ProcessedElementCount = 0; HostBuffer.pNext = NULL; // get endpoint IDs Result = ConfigureEndpoints(); if (Result != ADI_DEV_RESULT_SUCCESS) printf ("Endpoint Configuration Failed!\n"); // wait for commands over USB while(1) { // wait until USB device is configured while (!Net2272Ready); asm("nop;"); // wait for a USB command block from the host indicating what function we should perform Result = USB_Read(USBDeviceHandle, ADI_DEV_1D, (ADI_DEV_BUFFER *)&HostBuffer,TRUE); if ( ADI_DEV_RESULT_SUCCESS == Result ) { // switch on the command we just received switch( pusbcb->ulCommand ) { // host is asking if we support a given command case QUERY_SUPPORT: Result = QueryUSBSupport( USBDeviceHandle, pusbcb->ulData ); if (Result != ADI_DEV_RESULT_SUCCESS) printf ("Query USB support Failed!\n"); break; // get the firmware version case GET_FW_VERSION: // Configure the 1D USB data buffer to send firmware version string info to Host HostBuffer.Data = (u8*)FwVersionInfo; // point to Firmware version string HostBuffer.ElementCount = pusbcb->ulCount; // size of Firmware version string // send the Firmware Version Result = USB_Write ( USBDeviceHandle, ADI_DEV_1D, (ADI_DEV_BUFFER *)&HostBuffer,TRUE); if (Result != ADI_DEV_RESULT_SUCCESS) printf ("Failed to send Firmware Version!\n"); // Reset the USB Host buffer to point to USB command block HostBuffer.Data = (void*)&usbcb; // always point to usb command block as default HostBuffer.ElementCount = sizeof(usbcb); // Transfer/Receive data of usb command block size HostBuffer.ProcessedFlag = FALSE; // clear processed flag break; // get the Application ID case GET_APP_ID: // load the application ID unique to JPEG-MJPEG app pusbcb->ulData = ADI_JPEG_IMAGE_EDGE_DETECTION; // send the application ID to PC Host Result = USB_Write(USBDeviceHandle, ADI_DEV_1D, (ADI_DEV_BUFFER *)&HostBuffer,TRUE); if (Result != ADI_DEV_RESULT_SUCCESS) printf ("Failed to send Application ID!\n"); break; // perform USB IO case USBIO_START: Result= PerformUSBIO(); if (Result != ADI_DEV_RESULT_SUCCESS) printf ("USB I/O operation failed!\n"); break; // set codec parameters corresponding to user selected option case SET_PARAMS: // set codec parameters Result = SetCodecParameters((u32*) &pusbcb->ulParams[0]); // check the result if (Result != ADI_DEV_RESULT_SUCCESS) { // inform PC host as this operation has failed pusbcb->ulData = OPERATION_FAILED; printf ("Failed to set Codec Parameters!\n"); } else // confirm Host as Device parameters were set successfully pusbcb->ulData = OPERATION_PASSED; // pass the result to PC host Result = USB_Write(USBDeviceHandle, ADI_DEV_1D, (ADI_DEV_BUFFER *)&HostBuffer,TRUE); break; // unsupported command default: break; } } } } /*****/