原创 PICC菜鸟玩PICC位变量潇洒走一回

 2006-12-28 23:01  6612 15 15 分类: MCU/ 嵌入式

PICC菜鸟玩PICC位变量潇洒走一回

作者：hotpower

发表时间：2004-10-31 17:50:29

/*-------------------------------------------------------------------------------------
                                PICC菜鸟玩PICC位变量潇洒走一回
HotPower@126.com                2004.10.31       于西安大雁塔村队部
--------------------------------------------------------------------------------------*/
#include <pic.h>

typedef struct {
  unsigned BIT0: 1;
  unsigned BIT1: 1;
  unsigned BIT2: 1;
  unsigned BIT3: 1;
  unsigned BIT4: 1;
  unsigned BIT5: 1;
  unsigned BIT6: 1;
  unsigned BIT7: 1;
}PICCBIT;//定义一个只能按位域寻址的新变量类型

typedef union {
  PICCBIT BIT;//可以按位域寻址
  unsigned char BYTE;//可以按字节寻址
}PICCBITBYTE;//定义一个既能按位域寻址也可按字节寻址的新变量类型

//定义特殊寄存器位类型
PICCBITBYTE SystemGPIO @((unsigned)&PORTA);//重新说明PORTA为新变量类型PICCBITBYTE名称为SystemGPIO
PICCBITBYTE SystemTRISIO @((unsigned)&TRISA);//重新说明TRISA为新变量类型PICCBITBYTE名称为SystemTRISIO

//定义绝对定位寄存器位类型
PICCBITBYTE myvars @(unsigned)0x25;//申请新变量类型PICCBITBYTE名为myvars,并绝对定位在bank0的0x25处
PICCBIT myvar @((unsigned bank1) 0x80+0x25);//申请新变量类型PICCBIT名为myvar,并绝对定位在bank1的0x25处

//定义任意寄存器位类型
PICCBIT myvarbit;//申请一个新变量类型PICCBIT名称为myvarbit,地址由PICC自动定位
PICCBITBYTE myvarbyte;//申请一个新变量类型PICCBITBYTE名称为myvarbyte,地址由PICC自动定位

#define GPIO0 SystemGPIO.BIT.BIT0      //同PORTA0
#define GPIO1 SystemGPIO.BIT.BIT1      //同PORTA1
#define GPIO2 SystemGPIO.BIT.BIT2      //同PORTA2
#define GPIO3 SystemGPIO.BIT.BIT3      //同PORTA3
#define GPIO4 SystemGPIO.BIT.BIT4      //同PORTA4
#define GPIO5 SystemGPIO.BIT.BIT5      //同PORTA5
#define GPIO6 SystemGPIO.BIT.BIT6      //同PORTA6
#define GPIO7 SystemGPIO.BIT.BIT7      //同PORTA7

#define TRISIO0 SystemTRISIO.BIT.BIT0  //同TRISA0
#define TRISIO1 SystemTRISIO.BIT.BIT1  //同TRISA1
#define TRISIO2 SystemTRISIO.BIT.BIT2  //同TRISA2
#define TRISIO3 SystemTRISIO.BIT.BIT3  //同TRISA3
#define TRISIO4 SystemTRISIO.BIT.BIT4  //同TRISA4
#define TRISIO5 SystemTRISIO.BIT.BIT5  //同TRISA5
#define TRISIO6 SystemTRISIO.BIT.BIT6  //同TRISA6
#define TRISIO7 SystemTRISIO.BIT.BIT7  //同TRISA7

#define myvars0 myvars.BIT.BIT0        //myvars.0
#define myvars1 myvars.BIT.BIT1        //myvars.1
#define myvars2 myvars.BIT.BIT2        //myvars.2
#define myvars3 myvars.BIT.BIT3        //myvars.3
#define myvars4 myvars.BIT.BIT4        //myvars.4
#define myvars5 myvars.BIT.BIT5        //myvars.5
#define myvars6 myvars.BIT.BIT6        //myvars.6
#define myvars7 myvars.BIT.BIT7        //myvars.7

#define myvar0 myvar.BIT0              //myvar.0
#define myvar1 myvar.BIT1              //myvar.1
#define myvar2 myvar.BIT2              //myvar.2
#define myvar3 myvar.BIT3              //myvar.3
#define myvar4 myvar.BIT4              //myvar.4
#define myvar5 myvar.BIT5              //myvar.5
#define myvar6 myvar.BIT6              //myvar.6
#define myvar7 myvar.BIT7              //myvar.7

#define myvarbit0 myvarbit.BIT0        //myvarbit.0
#define myvarbit1 myvarbit.BIT1        //myvarbit.1
#define myvarbit2 myvarbit.BIT2        //myvarbit.2
#define myvarbit3 myvarbit.BIT3        //myvarbit.3
#define myvarbit4 myvarbit.BIT4        //myvarbit.4
#define myvarbit5 myvarbit.BIT5        //myvarbit.5
#define myvarbit6 myvarbit.BIT6        //myvarbit.6
#define myvarbit7 myvarbit.BIT7        //myvarbit.7

#define myvarbyte0 myvarbyte.BIT.BIT0 //myvarbyte.0
#define myvarbyte1 myvarbyte.BIT.BIT1 //myvarbyte.1
#define myvarbyte2 myvarbyte.BIT.BIT2 //myvarbyte.2
#define myvarbyte3 myvarbyte.BIT.BIT3 //myvarbyte.3
#define myvarbyte4 myvarbyte.BIT.BIT4 //myvarbyte.4
#define myvarbyte5 myvarbyte.BIT.BIT5 //myvarbyte.5
#define myvarbyte6 myvarbyte.BIT.BIT6 //myvarbyte.6
#define myvarbyte7 myvarbyte.BIT.BIT7 //myvarbyte.7

void main(void)
{
//PICCBITBYTE的新变量类型可以按字节寻址,故myvarbyte可以用myvarbyte.BYTE赋值
  myvarbyte.BYTE = 0x55;
//myvarbit = 0;//PICCBIT新变量类型只能按位域寻址,所以myvarbit不能清零！
//myvar = 0;//PICCBIT新变量类型只能按位域寻址,所以myvar不能清零！
  GPIO0 = 0;
  TRISA0 = 1;
  GPIO1 = 0;
  TRISIO0 = 1;
  myvar0 = 1;
  myvars0 = 1;
  myvarbyte.BIT.BIT0 = 1;
  myvarbyte0 = 0;
  myvarbit.BIT0 = 0;
  myvarbit0 = 0;
  SystemGPIO.BYTE = 0xaa;//以用SystemGPIO.BYTE赋值
  SystemTRISIO.BYTE = 0x55;//以用SSystemTRISIO.BYTE赋值
  while(1);
}

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