/***************************************************************************** Copyright (c) 2006 Analog Devices. All Rights Reserved. This software is proprietary and confidential. By using this software you agree to the terms of the associated Analog Devices License Agreement. ****************************************************************************** $File: main.c $ $Revision: 1.5 $ $Date: 2008/03/17 13:49:38 $ Project: Audio Kit Title: Generic demo Decoder Kit Author(s): dwu Revised by: ss Description: References: AD1836A Preliminary Technical Data ADSP-BF533 Hardware reference ADSP-BF533 EZ-Kit Lite Schematic ********************************************************************************* Modification History: ==================== $Log: audio_player_main.c,v $ Revision 1.5 2008/03/17 13:49:38 gstephan Updates for SDK 3.00 Revision 1.4 2007/11/13 04:32:52 randreol Modify USBDeviceHandle declaration Revision 1.3 2007/08/29 04:37:33 randreol Modified to support porting to new USB driver Revision 1.2 2007/06/20 02:14:11 randreol Clean up Revision 1.1 2007/05/23 02:06:17 randreol New Audio Application Revision 1.3 2006/12/07 02:13:18 randreol Added async memory enable code Revision 1.2 2006/12/04 06:40:56 randreol Clean up Revision 1.1 2006/12/04 04:48:08 randreol New BF533 MP3 application with 1836 codec intial rev Revision 1.1 2006/11/30 05:35:33 randreol modified to support multiple codecs Revision 1.2 2006/11/10 07:01:33 randreol New ID for host app Revision 1.1 2006/11/10 04:53:45 randreol Initial rev Revision 1.1.1.1 2006/05/09 04:01:29 dwu USB based audio demonstration *********************************************************************************/ #include #include "system.h" #include "codec.h" #include // EZ-Kit utilities #include #include #include #include // USB I/O functions for Blackfin #include // supported USB commands // USB includes #include #include #include #include // adi bulk driver header file #include // net2272 driver header file #pragma align 4 char FwVersionInfo[NUM_VERSION_STRINGS][MAX_VERSION_STRING_LEN] = { "Audio_Player", // Application name "ADSP-BF53x", // target processor __DATE__, // build date __TIME__, // build time "01.00.00", // version number "None"}; // hardware info // USB data structures section ("L1_data_b") volatile static ADI_DEV_1D_BUFFER UsbcbBuffer; // one-dimensional buffer for processing usbcb section ("L1_data_b") volatile static USBCB usbcb; // USB command block section ("L1_data_b") volatile static USBCB *pusbcb = &usbcb; // pointer to USBCB ADI_DEV_DEVICE_HANDLE USBDeviceHandle; // USB driver device handle /* DCB Managed Data */ static u8 DCBMgrData[ADI_DCB_QUEUE_SIZE + (ADI_DCB_ENTRY_SIZE)*8]; ADI_DCB_HANDLE DCBManagerHandle; void main() { unsigned int Result; PDEVICE_DESCRIPTOR pDevDesc; // device descriptor ptr // enable and configure async memory ezInit(1); // initialize the ezKit power,EBIU,DMA.... adi_ssl_Init(); adi_pwr_SetFreq(0,0,ADI_PWR_DF_ON); // install the USB driver //InstallUSBdriver(&USB_DevHandle); InstallUSBdriver(); /* 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 EnableUSBdriver(); install_audiodriver(); // install audio driver // initialize the USB data buffer UsbcbBuffer.Data = (void*)&usbcb; UsbcbBuffer.ElementCount = sizeof(usbcb); UsbcbBuffer.ElementWidth = 1; UsbcbBuffer.CallbackParameter = NULL; UsbcbBuffer.ProcessedFlag = FALSE; UsbcbBuffer.ProcessedElementCount = 0; UsbcbBuffer.pNext = NULL; // get endpoint IDs Result = ConfigureEndpoints(); if (Result != ADI_DEV_RESULT_SUCCESS) printf ("Endpoint Configuration Failed!\n"); 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 *)&UsbcbBuffer,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 ); break; // get the firmware version case GET_FW_VERSION: // Configure the 1D USB data buffer to send firmware version string info to Host UsbcbBuffer.Data = (u8*)FwVersionInfo; // point to Firmware version string UsbcbBuffer.ElementCount = pusbcb->ulCount; // size of Firmware version string // send the Firmware Version Result = USB_Write ( USBDeviceHandle, ADI_DEV_1D, (ADI_DEV_BUFFER *)&UsbcbBuffer,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 UsbcbBuffer.Data = (void*)&usbcb; // always point to usb command block as default UsbcbBuffer.ElementCount = sizeof(usbcb); // Transfer/Receive data of usb command block size UsbcbBuffer.ProcessedFlag = FALSE; // clear processed flag break; // get the Application ID case GET_APP_ID: // load the application ID unique to Audio Decoder app pusbcb->ulData = ADI_AUDIO_PLAYER; // send the application ID to PC Host Result = USB_Write(USBDeviceHandle, ADI_DEV_1D, (ADI_DEV_BUFFER *)&UsbcbBuffer,TRUE); if (Result != ADI_DEV_RESULT_SUCCESS) printf ("Failed to send Application ID!\n"); break; // perform IO over USB case USBIO_START: Result = PerformUSBIO( USBDeviceHandle ); break; // start codec according to input parameters case SET_PARAMS: // 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 *)&UsbcbBuffer,TRUE); break; // unsupported command default: break; } } } }