aoshaliwen
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请大家帮我看看68013的固件程序

楼主#
更多 发布于:2008-08-14 17:00
void TD_Init(void)             // Called once at startup
{
   //set high speed mode
   //USBCS = 0x80;
   // set the CPU clock to 48MHz
   CPUCS = ((CPUCS & ~bmCLKSPD) | bmCLKSPD1) ;

   // set the slave FIFO interface to 48MHz
   IFCONFIG = 0x43;//ʹÓÃÍⲿʱÖÓ5~48MHz

  // Registers which require a synchronization delay, see section 15.14
  // FIFORESET        FIFOPINPOLAR
  // INPKTEND         OUTPKTEND
  // EPxBCH:L         REVCTL
  // GPIFTCB3         GPIFTCB2
  // GPIFTCB1         GPIFTCB0
  // EPxFIFOPFH:L     EPxAUTOINLENH:L
  // EPxFIFOCFG       EPxGPIFFLGSEL
  // PINFLAGSxx       EPxFIFOIRQ
  // EPxFIFOIE        GPIFIRQ
  // GPIFIE           GPIFADRH:L
  // UDMACRCH:L       EPxGPIFTRIG
  // GPIFTRIG
  
  // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
  //      ...these have been replaced by GPIFTC[B3:B0] registers

  // default: all endpoints have their VALID bit set
  // default: TYPE1 = 1 and TYPE0 = 0 --> BULK  
  // default: EP2 and EP4 DIR bits are 0 (OUT direction)
  // default: EP6 and EP8 DIR bits are 1 (IN direction)
  // default: EP2, EP4, EP6, and EP8 are double buffered

  // we are just using the default values, yes this is not necessary...
  REVCTL=0x03;
  SYNCDELAY;
  //¸´Î»ËĸöFIFO
  FIFORESET=0x80;            
  SYNCDELAY;                    
  FIFORESET=0x02;
  SYNCDELAY;
  FIFORESET=0x04;
  SYNCDELAY;
  FIFORESET=0x06;
  SYNCDELAY;
  FIFORESET=0x08;
  SYNCDELAY;
  FIFORESET=0x00;
  SYNCDELAY;
//EP2ÉèΪBULK£¬OUT£¬4buffer£¬EP6ÉèΪBULK£¬IN£¬4buffer
  EP1OUTCFG = 0xA0;
  SYNCDELAY;  
  EP1INCFG = 0xA0;
  SYNCDELAY;  
  EP4CFG = 0x20;
  SYNCDELAY;  
  EP8CFG = 0x60;
  SYNCDELAY;                    // see TRM section 15.14
  EP2CFG = 0xA0;
  SYNCDELAY;                                      
  EP6CFG = 0xE0;
  SYNCDELAY;      
              
  EP2BCL = 0x80;                // arm EP2OUT by writing byte count w/skip.
  SYNCDELAY;                    
  EP2BCL = 0x80;
  SYNCDELAY;    
  EP2BCL = 0x80;                
  SYNCDELAY;                    
  EP2BCL = 0x80;
  SYNCDELAY;
  
  //EP2Ϊautoout,ʹÄÜ0³¤¶È°ü£¬16bit£¬EP6Ϊautoin£¬Ê¹ÄÜ0³¤¶È°ü£¬16bit
  EP2FIFOCFG = 0x15;
  SYNCDELAY;  
  EP6FIFOCFG = 0x0D;
  SYNCDELAY;
  //FlagΪĬÈÏ
  PINFLAGSAB=0x00;     //    SlaveFIFO?FLAGA/FLAGB??
  SYNCDELAY;            
  PINFLAGSCD=0x00;     //    SlaveFIFO?FLAGC/FLAGD??
  SYNCDELAY;
  FIFOPINPOLAR=0x00;   // FIFO½Ó¿ÚµÍµçƽÓÐЧ  
  SYNCDELAY;
//AUTOINµÄ³¤¶ÈΪ512×Ö½Ú
  EP6AUTOINLENH=0x02;
  SYNCDELAY;
  EP6AUTOINLENL=0x00;
  SYNCDELAY;
//ÏȽ«×Ô¶¨Òå±ê־λ´óСÉèΪ256×Ö½Ú
// EP2FIFOPFH=0x08;
  //SYNCDELAY;
  //EP2FIFOPFL=0x00;
  //SYNCDELAY;
  //EP6FIFOPFH=0x08;
  //SYNCDELAY;
  //EP6FIFOPFL=0x00;
  //SYNCDELAY;


  // out endpoints do not come up armed
  
  // since the defaults are double buffered we must write dummy byte counts twice                  


  // enable dual autopointer feature
  AUTOPTRSETUP |= 0x01;

}


void TD_Poll(void)              // Called repeatedly while the device is idle
{
}
直接通过CYpress的bulkloop程序改的,改动的地方只是TD_Init和TD_poll。其余的都没改不知道行不行?
以下是TD_Init和TD_poll。想实现的是EP2 bulk模式,512*4,autoout,16bit,外部时钟驱动。
                                  EP6 bulk模式,512*4,autoin,16bit,外部时钟驱动。autoinlen为512B
大家帮我看看有没有问题?

多谢
buaawr
驱动牛犊
驱动牛犊
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沙发#
发布于:2008-09-25 17:00
看怎么行,又不是考试,跑一跑就知道了
游客

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