main.c

用ti的dsp2407读写sl811

//-----------------------------------------------------------------------------
//	File:		fw.c
//	Contents:	Firmware frameworks task dispatcher and device request parser
//				source.
//
//	Copyright (c) 2002 Cypress Semiconductor, Inc. All rights reserved
//
// $Archive: /USB/ez811/firmware/Emb_Host/fw.c $
// $Date: 4/03/02 4:32p $
// $Revision: 1 $
//-----------------------------------------------------------------------------

#include "Regs240x.h"
#include "Host_811.h"


extern BOOL	HUB_DEVICE;					// HUB device = TRUE
extern pHUBDEV		uHub;			// Struct for downstream device on HUB
extern pUSBDEV  	uDev[MAX_DEV];	// Multiple USB devices attributes, Max 5 devices

BYTE KeyReport[20];
int *pFPGARam = (int *)0x8000;
int *pStatus = (int *)0xC081;
int *pSendOver = (int *)0xC080;

void initial();
void EZUSB_Delay(unsigned long ms);
void IOinitial();
void Evinitial();
void LightLed(int num, int status);
void  timer1int();


int FindFirtIntrEP(BYTE DevAddr)
{
	int i;
	for(i = 0; i < uDev[DevAddr].bNumOfEPs; i++)
	{
		if((uDev[DevAddr].bEPAddr[i]&0x80) && (uDev[DevAddr].bAttr[i] == 0x03)) //Interrupt in endpoint
			return uDev[DevAddr].bEPAddr[i];
	}

	return -1;
}
//-----------------------------------------------------------------------------
// Code
//-----------------------------------------------------------------------------

// Task dispatcher
void main(void)
{
	int num =0x5a;
	int i = 0;
	int nEP = 0;
	int bReportSend = 0;
	
	initial();
    IOinitial();
    Evinitial();
    timer1int();
    sl811h_init();
    
	while(1)
	{
		
		slave_detect();
		if(HUB_DEVICE && uHub.bPortPresent[HUB_ADDR + 1])
		{
			nEP = FindFirtIntrEP(HUB_ADDR+1);
			if(nEP == -1)	continue;
			
			if(DataRW(HUB_ADDR+1, nEP, uDev[HUB_ADDR+1].wPayLoad[nEP&0xF], uDev[HUB_ADDR+1].wPayLoad[nEP&0xF], KeyReport))
			{
				
			}
			
		}
		
	}
}

void initial()
{
    asm(" setc INTM");
    asm(" setc SXM");
    asm(" clrc OVM");
    asm(" clrc CNF");
    SCSR1 = 0X06FE;  //the input frequency 12MHz
    WDCR = 0x0E8;
    IMR = 0x0000;
    IFR = 0x0FFFF;
}
void EZUSB_Delay(unsigned long ms)
{
     volatile int num;
     volatile int flag;
     num = ms;
	 T1CON |= 0x0040; // start Timer1
	 	 
	 while (num > 0)
    {
    	flag = ADCTRL2 & 0x0200;
		 if (flag == 0x0200)
		 {
			ADCTRL2 = ADCTRL2 | 0x4200;	//产生一次timer
			 
	     	T1CON |= 0x0040; // start Timer3
	     	
	     	num--;
	     }	
	}
}


void IOinitial()  
 {
 
 	  MCRA = 0x8FE7;
// 	  MCRC = 0x0181;
  	  MCRC = 0x7C7F;
 
  	  PADATDIR |= 0x1800;   //PA.3 & PA.4 standard io
  	  PBDATDIR |= 0x7000;   //PB.6 & PB.5 & PB.4 standard io
  	  PEDATDIR |= 0x8000;  //PE.7 standard io
  	  PFDATDIR |= 0x0300;  //PF.0 & PF.1 standard io
      PADATDIR &= 0xFFE7;   //PA.3 & PA.4 output low
  	  PBDATDIR &= 0xFF8F;   //PB.6 & PB.5 & PB.4 output low
  	  PEDATDIR &= 0xFF7F;  //PE.7 output low
  	  PFDATDIR &= 0xFFFC;  //PF.0 & PF.1 output low
  	  
  	  PFDATDIR |= 0x0404;
  	  PFDATDIR &= 0xFFFB;  //generate a pulse to turn off all lights

	  PCDATDIR |= 0x0100;  //Pc.0 standard io
 }
 
 void Evinitial()
 {       
	  EVAIMRA = 0;  
	  EVAIMRB = 0x01;    /* TimeGlobal2 period*/
	  EVAIMRC = 0;       /* Capture1,Capture2*/
	  EVBIMRA = 0;       
	  EVBIMRB = 0;
	  EVBIMRC = 0;       /* Capture4,Capture5*/
	  
	  EVAIFRA = 0xffff;    /* TimeGlobal1 period */
	  EVAIFRB = 0xffff;    /* TimeGlobal2 period */
	  EVAIFRC = 0xffff;    /* Cap1 Cap2 */
	  EVBIFRC = 0xffff;    /* Cap4 Cap5 */

} 

void LightLed(int num, int status)
{
     int Tempnum = 0;
     int Ledstatus = 0;
     Tempnum = num;
     Ledstatus = status;
     //PADATDIR &= 0x0FF00;  // mask the data bit
     //PBDATDIR &= 0x0FF00;  // mask the data bit
     //PEDATDIR &= 0x0FF00;  // mask the data bit
     //PFDATDIR &= 0x0FF00;  // mask the data bit
     switch(Tempnum)
     {
         case 0:
         {
             
             if(Ledstatus == 0)
             {
                  PFDATDIR |= 0x0002;   // PF.1 light
             }
             else if(Ledstatus == 1)
             {
                  PFDATDIR &= 0xFFFD;   // PF.1 off
             }
             else 
               break;
  
  	         break;
  	     }
  	     case 1:
  	     {
  	         if(Ledstatus == 0)
             {
                  PADATDIR |= 0x0010;   // PA.4 light
             }
             else if(Ledstatus == 1)
             {
                  PADATDIR &= 0xFFEF;   // PA.4 off
             }
             else 
               break;
             
 
  	         break;
  	     }
  	     case 2:
  	     {
  	         if(Ledstatus == 0)
             {
                  PFDATDIR |= 0x0001;   // PF.0 light
             }
             else if(Ledstatus == 1)
             {
                  PFDATDIR &= 0xFFFE;   // PF.0 off
             }
             else 
               break;
             
  
  	         break;
  	     }
  	     case 3:
  	     {
             if(Ledstatus == 0)
             {
                  PADATDIR |= 0x0008;   // PA.3 light
             }
             else if(Ledstatus == 1)
             {
                  PADATDIR &= 0xFFF7;   // PA.3 off
             }
             else 
               break;
 
  	         break;
  	     }
  	     case 4:
  	     {
  	         if(Ledstatus == 0)
             {
                    PBDATDIR |= 0x0020;   // PB.5 light
             }
             else if(Ledstatus == 1)
             {
                    PBDATDIR &= 0xFFDF;   // PB.5 light
             }
             else 
               break;
           

  	         break;
  	     }
  	     case 5:
  	     {
             if(Ledstatus == 0)
             {
                   PBDATDIR |= 0x0010;   // PB.4 off
             }
             else if(Ledstatus == 1)
             {
                   PBDATDIR &= 0xFFEF;   // PB.4 off
             }
             else 
               break;
            
 
  	         break;
  	     }
  	     case 6:
  	     {
             if(Ledstatus == 0)
             {
                    PBDATDIR |= 0x0040;   // PB.6 light
             }
             else if(Ledstatus == 1)
             {
                    PBDATDIR &= 0xFFBF;   // PB.6 light
             }
             else 
               break;
    
  	         break;
  	     }
  	     case 7:
  	     {
             if(Ledstatus == 0)
             {
                   PEDATDIR |= 0x0080;   // PE.7 light
             }
             else if(Ledstatus == 1)
             {
                   PEDATDIR &= 0xFF7F;   // PE.7 light
             }
             else 
               break;
             
 
  	         break;
  	     }
            
     }
}
void  timer1int()
{
     T1CON = 0x160C;    /* 12M ->64分频 -> 3/16 0.1875 MHz -> 16/3  5.3us timer1 compare disable autoreload*/
	 T1PR = 187;   // 0xbb = 188-1 --> 定时周期1ms
     T1CNT=0X00;                        // Timer1的计数器清零
     T1CMPR = 0xFFFF;
     GPTCONA = 0x0100;    /*使能T1周期中断标志启动ADC*/
     ADCTRL1=0x5000;                      
	 asm(" nop");
	 ADCTRL1=0x30;	    /*启动/停止模式,级连工作方式,且禁止特殊的两种工作模式*/
	 ADCTRL2=0x0100;	/*可以用EVA的一个事件信号触发AD转换,用中断模式1*/
}

void interrupt nothing(void)
{
   return;
}