mycpu.c

USB for TMS320C5402

#include "cpu_reg.h"

void delay(int dl);



void VC5402Init()
{	 
     asm("  STM #0000h,CLKMD ");  
     while(*CLKMD & 0x01 );
     asm(" NOP");
     asm(" NOP");
     asm(" NOP");
     asm(" NOP");
     asm(" NOP");
     asm("  STM #40C7h,CLKMD ");  //设置CPU运行频率＝100M
     
/*  40C7h:5*clkin  =100M
    30c7h:4*clkin  =80M
    20c7h:3*clkin  =60M
    10C7h:2*clkin  =40M
*/
     
 //    asm("  STM #0F800h,CLKMD ");  for LCD CLKMD
     
     *SWCR = 0x0001;
     asm("  stm   #7240h, SWWSR ");
     
//     asm("  stm   #0FFFFh, SWWSR "); for LCD SWWSR

     asm("  stm   #00A0h, PMST  "); //MP/MC = 0, IPTR = 001,ovly=0  
     asm("  stm   #0802h, BSCR  "); //802
     asm("  STM #0h,IMR ");
     
     asm("  STM #0010h,TCR  "); //关定时器
     asm("  STM #0186ah,PRD  ");//1ms
     
      //asm("  STM #06h,PRD  ");//0.01ms  for LCD
      
     asm("  STM #0C2fh,TCR  "); //TCR=最后四位
     asm("  STM #0008h,IFR  ");
     asm("  ORM #0008h,*(IMR) ");/*开时间中断*/
     asm("  ORM #0100h,*(IMR) ");/*开INT3中断*/
 
     asm("  RSBX  INTM ");      /*开中断*/ 
     
     
      //asm("  SSBX  XF ");    //开发板上LED灭
      //delay(1000);
      asm(" RSBX XF ");     //开发板上LED亮
      
 }