main.c

S3C44B0——ARM7的音频测试程序

#include "option.h"
#include "def.h"
#include "44b.h"
#include "44blib.h"
#include "iis.h"
#include "usb.h"

#define DOWNSIZE	7000000
/**********************************************************************
 *	串口下载文件
 *	*addr返回文件起始地址,*size返回文件长度
 *	成功返回0,失败返回-1
 */
int Com_DownloadFile(U32 *addr, U32 *size)
{
    int i,tmp;
    U16 checkSum=0,dnCS;
    U32 fileSize=10;
    U8 *downPt;
    U32 downloadAddress;

    downloadAddress=(unsigned)malloc(DOWNSIZE);//申请DOWNSIZE大小内存
    if(downloadAddress==NULL)	
    	return 0;
    downPt=(U8 *)downloadAddress;

	Uart_Printf("\nDownload file by COM");
    Uart_Printf("\nSTATUS:\n");
    rINTMSK=~BIT_GLOBAL;
    
    tmp=RdURXH0(); //To remove overrun error state.

    i=0;	
    while(i<fileSize)
    {
	while(!(rUTRSTAT0&0x1));
	*(downPt+i)=RdURXH0();
	if(i==3)
	{
	    fileSize=*((U8 *)(downloadAddress+0))+
		(*((U8 *)(downloadAddress+1))<<8)+
		(*((U8 *)(downloadAddress+2))<<16)+
		(*((U8 *)(downloadAddress+3))<<24);
	}
	
	if((i%1000)==0)WrUTXH0('.');
	i++;
    }

    for(i=4;i<(fileSize-2);i++)
    {
        checkSum+=*((U8 *)(i+downloadAddress));
    }

    dnCS=*((U8 *)(downloadAddress+fileSize-2))+
          (*( (U8 *)(downloadAddress+fileSize-1) )<<8);
          
    free((void *)downloadAddress);//释放内存

    if(checkSum!=dnCS)
    {
        Uart_Printf("\nChecksum Error!!! MEM:%x DN:%x",checkSum,dnCS);
	return 0;
    }

    Uart_Printf("\nDownload O.K.");
    *addr=(U32)(U8 *)(4+downPt);
    *size=fileSize-6;
    return 1;
}

/**********************************************************************
 *	USB下载文件
 *	size	指定接收文件长度
 *	*addr	返回文件起始地址
 *	成功返回0,失败返回-1
 */
int Usb_DownloadFile(U32 *addr, U32 size)
{
	int i;
    U16 checkSum=0,dnCS;
    U32 fileSize;
	U8 *downPt;
    U32 downloadAddress;
//	static U8 UsbOn=0;

    downloadAddress=(unsigned)malloc(DOWNSIZE);//申请DOWNSIZE大小内存
    if(downloadAddress==NULL)	
    	return 0;
    downPt=(U8 *)downloadAddress;
    	
    Uart_Printf("\nDownload file by USB");
    USBON();
    /*
    USBReceiveBulk(downPt,8);
    while(!USBReceiveBulkDone());
    
    fileSize=*((U8 *)(downloadAddress+4))+
			(*((U8 *)(downloadAddress+5))<<8)+
			(*((U8 *)(downloadAddress+6))<<16)+
			(*((U8 *)(downloadAddress+7))<<24)-10;
    downPt=(U8 *)(downloadAddress+8);
//    Uart_Printf("\ndownPt=%x,filesize=%x",downPt,fileSize);////////
	
    USBReceiveBulk(downPt,fileSize+2);
    */
    USBReceiveBulk(downPt,size);
    while(!USBReceiveBulkDone());
//    Uart_Printf("\ndownPt=%x",downPt);////////
    USBOFF();
	*addr=(U32)(U8 *)(8+downPt);
	free((void *)downloadAddress);//释放内存
    return 1;

//	free((void *)downloadAddress);//释放内存
//
//	Uart_Printf("\nChecksum start!");
//	for(i=8;i<fileSize+8;i++)
//    {
//        checkSum+=*((U8 *)(i+downloadAddress));
//    }
//
//    dnCS=*((U8 *)(downloadAddress+fileSize+8))+
//          (*( (U8 *)(downloadAddress+fileSize+9) )<<8);
//
//
//    if(checkSum!=dnCS)
//    {
//        Uart_Printf("Checksum Error!!! MEM:%x DN:%x\n",checkSum,dnCS);
//		return 0;
//    }
//	Uart_Printf("\nDownload O.K.\n");
//	*addr=(U32)(U8 *)(4+downPt);
//    *size=fileSize;
//    return 1;
}
/**********************************************************************
 *	main loop
 */
void Main(void)
{
	int i,rt;
	char key;
	U32 addr,size;
		
    rSYSCFG=CACHECFG;   // Using 8KB Cache//

    Port_Init();
    Uart_Init(0,115200);
    Delay(1000);
    Uart_Select(0); //Select UART0
    	
    while(1) 
    {
    	Uart_Printf("\n\n========== FS44B0X IIS TEST ==========");
    	Uart_Printf("\nPlease Download the *.wav!");
    	Uart_Printf("\nPlease select C(COM) or U(USB):zhu li");
    	key= Uart_Getch();
		switch(key)
		{
			case 'c':
			case 'C':
    			rt=Com_DownloadFile(&addr,&size);
		       	break;
			case 'u':
			case 'U':
				Uart_Printf("\nPlease input file size:");
				size=Uart_GetIntNum();
    			rt=Usb_DownloadFile(&addr,size);
		        break;
		    default:
		    	continue;
		}
		if(!rt)
    		Uart_Printf("\nDownloadFile Error!");
        else
		{
			if(size>MAX_WAVESIZE)
        		Play_BigWave(addr,size);
        	else
        		Play_SmallWave(addr,size);
        }
    }
}