da.c

来自「瑞泰TMS320VC33目标板的串口通讯测试程序」· C语言 代码 · 共 35 行

#define DAC0    *(int *)0xe00004   /*CHANNEL0*/
#define DAC1    *(int *)0xe00005   /*CHANNEL1*/
#define DAC2    *(int *)0xe00006   /*CHANNEL2*/
#define DAC3    *(int *)0xe00007   /*CHANNEL3*/


main()
{
  
  int i,j,k=0;
  for(;;)
  {
  		for(i=0;i<256;i++)
  		{
            
  			/*DAC0=k;
  			DAC1=k+0X400;
  			DAC2=k+0X800;
  			DAC3=k+0Xc00; 
  			LDAC = 0;     */
  			DAC0 = k;
  			DAC1 = k+0x400;
  			DAC2 = k+0x800;
  			DAC3 = k+0xc00;
  			k=(k+1)%0x1000;  /*	 0 <= K <= 4095  */
  			
  			for(j=0;j<100;j++);
  		} 	  	
  
  
  }

}