test_ecan.c

TI TMS320F2812 eCAN 源代码

#include "DSP281x_Device.h"   
#include "DSP281x_Examples.h"  


void CanSend(void);

Uint16 i;


void main(void)
{

   InitSysCtrl();

   DINT;

   IER = 0x0000;
   IFR = 0x0000;

   InitPieCtrl();
   
   InitPieVectTable();

   
   EINT; 
   ERTM; 
   
   InitECan();

   for(;;)
   {
       CanSend();
   }

} 


void CanSend()
{
   struct ECAN_REGS ECanaShadow;
   
   ECanaMboxes.MBOX0.MDL.all=0x01234567;
   ECanaMboxes.MBOX0.MDH.all=0x89ABCDEF;
   
   ECanaShadow.CANTRS.all = 0;			// Set TRS bit 
   ECanaShadow.CANTRS.bit.TRS0 = 1;    
   ECanaRegs.CANTRS.all = ECanaShadow.CANTRS.all;
                  
   while(ECanaRegs.CANTA.bit.TA0 == 0 ) {}  // Wait for TA11 bit to be set..
      
   ECanaShadow.CANTA.all = 0;
   ECanaShadow.CANTA.bit.TA0 = 1;		  // Clear TA11
   ECanaRegs.CANTA.all = ECanaShadow.CANTA.all;
}

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// No more.
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