can

can通信源码

keil软件#include <reg52.h>
#include <intrins.h>
#include <can_def.h>
#define u8 unsigned char
#define u16 unsigned int
void CAN_init( void ); // 初始化CAN总线芯片
void CAN_TXD( void );//CAN发送子函数
void CAN_RXD(void);
void xsg(void);
void xswsd(void);
void Delay(uint delay_time);//延时子函数
unsigned char CYCLE; //定义周期 该数字X基准定时时间 如果是10 则周期是10 x 0.1ms
unsigned char PWM_ON ;//定义高电平时间
unsigned char PWM_Num;
sbit    RST = P2^3;  //芯片复位     0有效 
sbit    SCE = P2^0;  //芯片使能 0有效 
sbit    D_C = P2^2;  //模式选择     1写数据   0写指令 
sbit    DIN = P2^1;  //串行数据线 数据类型---8位 
sbit    SCK = P2^4;  //串行时钟线   上升沿有效 
sbit p11=P1^1;
sbit p10=P1^0;
sbit p12=P1^2;
sbit p13=P1^3;
sbit p14=P1^4;
sbit p15=P1^5;
bit qh,qieh;

/////////////////////////////////////////////////////////////////////////////////////////////////////
u8 code Chinese_table[]= 
{ 
/*--  文字0:  温  --*/  
/*--  Trebuchet MS12;  此字体下对应的点阵为：宽x高=17x16   --*/ 

0x08,0x84,0x61,0x0E,0x00,0x7E,0x52,0x52,0x52,0x52,0x52,0x7E,0x00,0x00,0x00,0x00,
0x40,0x7F,0x80,0x02,0xFE,0x82,0x82,0xFE,0x82,0x82,0xFE,0x82,0x82,0xFE,0x02,0x00,

/*--  文字1:  度  --*/ 
/*--  Trebuchet MS12;  此字体下对应的点阵为：宽x高=17x16   --*/ 
0x00,0x00,0x3F,0x20,0x24,0x24,0x3F,0xA5,0x65,0x25,0x3F,0x24,0x24,0x24,0x20,0x00,
0x01,0x06,0xF8,0x01,0x01,0x42,0x62,0x54,0x48,0x48,0x54,0x64,0x42,0x03,0x02,0x00,
/*--  文字2:  湿  --*/ 
/*--  Trebuchet MS12;  此字体下对应的点阵为：宽x高=17x16   --*/ 
0x08,0x06,0x40,0x33,0x00,0x00,0x7C,0x54,0x55,0x54,0x55,0x54,0x7C,0x00,0x00,0x00,
0x10,0x10,0x7F,0x80,0x02,0x42,0x32,0x02,0xFE,0x02,0xFE,0x12,0x22,0x42,0x02,0x00,
/*--  文字3:  度  --*/ 
/*--  Trebuchet MS12;  此字体下对应的点阵为：宽x高=17x16   --*/ 
0x00,0x00,0x3F,0x20,0x24,0x24,0x3F,0xA5,0x65,0x25,0x3F,0x24,0x24,0x24,0x20,0x00,
0x01,0x06,0xF8,0x01,0x01,0x42,0x62,0x54,0x48,0x48,0x54,0x64,0x42,0x03,0x02,0x00,
/*--  文字4:  光  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x02,0x42,0x22,0x3A,0x13,0x02,0xFE,0x02,0x03,0x0A,0x72,0x22,0x06,0x02,0x00,
0x00,0x01,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0xFC,0x02,0x02,0x02,0x02,0x1E,0x00,

/*--  文字5:  照  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x7F,0x44,0x44,0x7F,0x02,0x84,0x8B,0xF2,0x82,0x8A,0x86,0xFB,0x00,0x00,
0x02,0x06,0xDC,0x80,0x90,0xCC,0x06,0x00,0xF0,0x4C,0x46,0x40,0x50,0xEC,0x06,0x00,

/*--  文字6:  等  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x09,0x11,0xE5,0x45,0x65,0x5D,0x45,0x1F,0xE5,0x45,0x65,0x5D,0x45,0x41,0x01,0x00,
0x00,0x20,0x20,0x20,0x20,0x30,0x2C,0x20,0x22,0x21,0xFE,0x20,0x20,0x20,0x00,0x00,

/*--  文字7:  级  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x04,0x0C,0x35,0xC6,0x04,0x18,0x40,0x41,0x7E,0x41,0x42,0x4E,0x72,0x03,0x02,0x00,
0x08,0xC8,0x88,0x92,0x94,0x89,0x31,0xC2,0x02,0xC4,0x28,0x18,0x66,0x83,0x02,0x00,
/*--  文字8:  为  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x08,0x08,0x48,0x28,0x38,0x08,0x0F,0xF9,0x08,0x08,0x08,0x08,0x1F,0x08,0x00,
0x00,0x00,0x02,0x04,0x08,0x10,0x60,0x80,0x00,0x88,0x64,0x02,0x04,0xF8,0x00,0x00,
/*--  文字9:  已  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x47,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x7E,0x00,0x00,0x00,0x00,
0x00,0x00,0xFC,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x3C,0x08,0x00,

/*--  文字10:  发  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x08,0x7C,0x08,0x08,0x0F,0xF9,0x09,0x09,0x49,0x29,0x38,0x08,0x08,0x08,0x00,
0x02,0x04,0x08,0x11,0xE1,0x82,0x62,0x14,0x08,0x14,0xE4,0x02,0x03,0x02,0x00,0x00,

/*--  文字11:  送  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x02,0x82,0x63,0x00,0x02,0x12,0x92,0x72,0x1F,0x32,0xD2,0x12,0x12,0x02,0x00,0x00,
0x02,0x04,0xF8,0x04,0x02,0x12,0x22,0xC2,0x02,0x82,0x42,0x32,0x02,0x02,0x02,0x00
};
/*  数字 0~9   */
u8 code charater_table[]=
{
 0x00,0x07,0x08,0x10,0x10,0x08,0x07,0x00,0x00,0xF0,0x08,0x04,0x04,0x08,0xF0,0x00,
 0x00,0x08,0x08,0x1F,0x00,0x00,0x00,0x00,0x00,0x04,0x04,0xFC,0x04,0x04,0x00,0x00,
 0x00,0x0E,0x10,0x10,0x10,0x11,0x0E,0x00,0x00,0x0C,0x14,0x24,0x44,0x84,0x0C,0x00,
 0x00,0x0C,0x10,0x11,0x11,0x12,0x0C,0x00,0x00,0x18,0x04,0x04,0x04,0x88,0x70,0x00,
 0x00,0x00,0x03,0x04,0x08,0x1F,0x00,0x00,0x00,0xE0,0x20,0x24,0x24,0xFC,0x24,0x00,
 0x00,0x1F,0x10,0x11,0x11,0x10,0x10,0x00,0x00,0x98,0x84,0x04,0x04,0x88,0x70,0x00,
 0x00,0x07,0x08,0x11,0x11,0x18,0x00,0x00,0x00,0xF0,0x88,0x04,0x04,0x88,0x70,0x00,
 0x00,0x1C,0x10,0x10,0x13,0x1C,0x10,0x00,0x00,0x00,0x00,0xFC,0x00,0x00,0x00,0x00,
 0x00,0x0E,0x11,0x10,0x10,0x11,0x0E,0x00,0x00,0x38,0x44,0x84,0x84,0x44,0x38,0x00,
 0x00,0x07,0x08,0x10,0x10,0x08,0x07,0x00,0x00,0x00,0x8C,0x44,0x44,0x88,0xF0,0x00,
 0x00,0x00,0x00,0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x00,
 0x18,0x10,0x10,0x1F,0x10,0x10,0x18,0x00,0x00,0x00,0x04,0xFC,0x04,0x00,0x00,0x00
}; 




///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
//delay_1ms: 大约延时1ms 
void delay_1ms(void)//1ms延时函数 
{ 
u16 i; 
for (i=0;i<500;i++) 
{ 
; 
} 

} 


///////////////////////////////////////////////////////////// /////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////// 
//LCD_Write_Byte: 写数据或命令到LCD 
//输入参数：u8 Data_or_Command：要写入的数据或命令； 
// u8 D_or_C  ：1 写数据/ 0 写命令 

void LCD_Write_Byte(u8 Data_or_Command,u8 D_or_C) 
{ 
u8 i;  
SCE=0;//选择芯片 
D_C=D_or_C;// 数据？ 命令？ 
for(i=0;i<8;i++)//写 
{  
if(0x80==(Data_or_Command&0x80)) 
{ 
DIN=1; 
} 
else 
{ 
DIN=0; 
} 


Data_or_Command<<=1;//移位 

//造个上升沿 
SCK=0; 
_nop_(); 
_nop_(); 
_nop_(); 
_nop_(); 

SCK=1;  
} 
//回复到安全状态 保险 
D_C=1; 
SCE=1; 
DIN=1; 
} 
/////////////////////////////////////////////////////////////////////////////////////////
void LCD_Write_Byte2(u8 Data_or_Command,u8 D_or_C) 
{ 
u8 i;  
SCE=0;//选择芯片 
D_C=D_or_C;// 数据？ 命令？ 
for(i=0;i<8;i++)//写 
{  
if(0x01==(Data_or_Command&0x01)) 
{ 
DIN=1; 
} 
else 
{ 
DIN=0; 
} 


Data_or_Command>>=1;//移位 

//造个上升沿 
SCK=0; 
_nop_(); 
_nop_(); 
_nop_(); 
_nop_(); 
SCK=1;  
} 
//回复到安全状态 保险 
D_C=1; 
SCE=1; 
DIN=1; 
} 




/////////////////////////////////////////////////////////////////////////////////////////// 
/////////////////////////////////////////////////////////////////////////////////////////// 
//LCD_init: LCD初始化 
void LCD_init(void) 
{ 
RST=0;   
   delay_1ms(); 
   RST=1; 
delay_1ms();   
LCD_Write_Byte(0x21,0);//初始化Lcd,功能设定使用扩充指令 
LCD_Write_Byte(0xd0,0);//设定液晶偏置电压 
LCD_Write_Byte(0x20,0);//使用基本指令 水平寻址 

//LCD_Write_Byte(0x0C,0);//设定显示模式，正常显示 
LCD_Write_Byte(0x0D,0);  //设定显示模式，反白显示 
} 

///////////////////////////////////////////////////////////// 
///////////////////////////////////////////////////////////// 
//LCD_Set_XY: 设置LCD坐标函数 用于准备显示高度是‘8个点’的汉字或字母 
//输入参数：X：0－83  Y：0－5 
void LCD_Set_XY(u8 X, u8 Y) 
{ 
LCD_Write_Byte(0x40 | Y, 0);// 竖 
LCD_Write_Byte(0x80 | X, 0);// 横 
} 

///////////////////////////////////////////////////////////// 
///////////////////////////////////////////////////////////// 
//LCD_Clear: LCD清屏函数 
void LCD_Clear(void) 
{ 
u8 x; 
u8 y; 
LCD_Set_XY(0,0); 

for(y=0;y<=5;y++) 
{  
for(x=0;x<=83;x++) 
{  
LCD_Write_Byte(0x00,1); 
}  
} 
}  



///////////////////////////////////////////////////////////// 
///////////////////////////////////////////////////////////// 
//LCD_Write_ABC: 显示8（宽）*16（高）点阵列数字字母符号等半角类 
//输入参数: x: 
// y: 
// ABC：显示的字符的序号 


///////////////////////////////////////////////////////////// 
///////////////////////////////////////////////////////////// 
//LCD_Write_Chinese: 显示16（宽）*16（高）点阵列汉字等半角类 
//输入参数： 
// x: 
// y: 
// Chinese：显示的汉字的序号
void LCD_Write_Charater(u8 x,u8 y,u8 charater)
{
 unsigned char i;
 LCD_Set_XY(x*8,y);
 for(i=0;i<8;i++)
 {
  LCD_Write_Byte2(charater_table[charater*16+i],1); 
 }
  LCD_Set_XY(x*8, y+1);// 列，页  
for(i=8; i<16;i++)  
{ 
LCD_Write_Byte2(charater_table[charater*16+i],1); 
} 
} 

void LCD_Write_Chinese(u8 x, u8 y,u8 Chinese) 
{ 
unsigned char i;   

LCD_Set_XY(x*8, y);// 列，页  
for(i=0; i<16;i++)  
{ 
LCD_Write_Byte2(Chinese_table[Chinese*32+i],1);  
} 

    LCD_Set_XY(x*8, y+1);// 列，页  
for(i=16; i<32;i++)  
{ 
LCD_Write_Byte2(Chinese_table[Chinese*32+i],1); 
} 
} 


/////////////////////////////////////////////////////////////////////////////////////////////
void anjian()
{
 if(p15==0)
{
 Delay(5000);
 if(p15==0)
   {
 qh=~qh;
 while(!p15);
 xsg();
 xswsd();
   }  
}
 
 if(p11==0)
  {
Delay(5000);
 
if(p11==0)
{
CAN_TXD();
Delay(100);
Delay(100);
while(!p11);
LCD_Clear(); 
LCD_Write_Chinese(0,0,4); 
LCD_Write_Chinese(2,0,5); 
LCD_Write_Chinese(4,0,6); 
LCD_Write_Chinese(6,0,7); 
LCD_Write_Chinese(0,2,9); 
LCD_Write_Chinese(2,2,10); 
LCD_Write_Chinese(4,2,11); 
Delay(60000);
Delay(60000);
Delay(60000);
Delay(60000);

}  
}
}
///////////////////////////////////////////////////主函数////////////////////////////////////
void main(void)