can_def.c

直接可用的基于sja1000+51的C源代码

//SJA1000 的寄存器和位定义
/*定义直接对8051 的存储区访问*/
sbit RST_SJA1000 = P1^6;//SJA1000硬件复位 
#ifdef _GLOBAL_SJA1000_PELI_ 
extern unsigned char xdata CAN_SJA_BaseAdr;  //定义SJA1000的片选基址
extern unsigned char xdata *SJA_CS_Point; 
#else 
unsigned char xdata CAN_SJA_BaseAdr _at_ 0x7F00; //定义SJA1000的片选基址
unsigned char xdata *SJA_CS_Point ;    //指针指向空
#endif