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2024-08-16 18:13:55   221人阅读

C语言中的宏定义

  1. //程序设计：傅越千
  2. //2009.7.30
  3. #include <c8051f360.h>
  4. #include <stdio.h>
  5. #include <absacc.h>
  7. #define WDATADDR XBYTE[0XC009]                //LCD写数据地址
  8. #define RDATADDR XBYTE[0XC00B]                //LCD读数据地址
  9. #define WCOMADDR XBYTE[0XC008]                //LCD写命令地址
  10. #define RCOMADDR XBYTE[0XC00A]                //LCD读命令地址
  11. #define KEYCS      XBYTE[0XC00C]                //键盘片选地址
  13. sbit LCD_RST=P3^0;
  14. sbit START=P3^2;
  16. unsigned char code CHINESE1[]={"高速数据采集系统"};
  17. unsigned char code SINTAB[]={\
  18. 0x7f,0x82,0x85,0x88,0x8b,0x8f,0x92,0x95,0x98,0x9b,0x9e,0xa1,0xa4,0xa7,0xaa,0xad,\
  19. 0xb0,0xb3,0xb6,0xb8,0xbb,0xbe,0xc1,0xc3,0xc6,0xc8,0xcb,0xcd,0xd0,0xd2,0xd5,0xd7,\
  20. 0xd9,0xdb,0xdd,0xe0,0xe2,0xe4,0xe5,0xe7,0xe9,0xeb,0xec,0xee,0xef,0xf1,0xf2,0xf4,\
  21. 0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfb,0xfc,0xfd,0xfd,0xfe,0xfe,0xfe,0xfe,0xfe,\
  22. 0xff,0xfe,0xfe,0xfe,0xfe,0xfe,0xfd,0xfd,0xfc,0xfb,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,\
  23. 0xf5,0xf4,0xf2,0xf1,0xef,0xee,0xec,0xeb,0xe9,0xe7,0xe5,0xe4,0xe2,0xe0,0xdd,0xdb,\
  24. 0xd9,0xd7,0xd5,0xd2,0xd0,0xcd,0xcb,0xc8,0xc6,0xc3,0xc1,0xbe,0xbb,0xb8,0xb6,0xb3,\
  25. 0xb0,0xad,0xaa,0xa7,0xa4,0xa1,0x9e,0x9b,0x98,0x95,0x92,0x8f,0x8b,0x88,0x85,0x82,\
  26. 0x7f,0x7c,0x79,0x76,0x73,0x6f,0x6c,0x69,0x66,0x63,0x60,0x5d,0x5a,0x57,0x54,0x51,\
  27. 0x4e,0x4b,0x48,0x46,0x43,0x40,0x3d,0x3b,0x38,0x36,0x33,0x31,0x2e,0x2c,0x29,0x27,\
  28. 0x25,0x23,0x21,0x1e,0x1c,0x1a,0x19,0x17,0x15,0x13,0x12,0x10,0x0f,0x0d,0x0c,0x0a,\
  29. 0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x03,0x02,0x01,0x01,0x00,0x00,0x00,0x00,0x00,\
  30. 0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x05,0x06,0x07,0x08,\
  31. 0x09,0x0a,0x0c,0x0d,0x0f,0x10,0x12,0x13,0x15,0x17,0x19,0x1a,0x1c,0x1e,0x21,0x23,\
  32. 0x25,0x27,0x29,0x2c,0x2e,0x31,0x33,0x36,0x38,0x3b,0x3d,0x40,0x43,0x46,0x48,0x4b,\
  33. 0x4e,0x51,0x54,0x57,0x5a,0x5d,0x60,0x63,0x66,0x69,0x6c,0x6f,0x73,0x76,0x79,0x7c} ;
  36. unsigned char key_num=0xff;                    //存键号
  37. unsigned char idata disp[128];
  38. unsigned char flag=0;
  40. void OSC_INIT (void)
  41. {
  42.     SFRPAGE=0X0F;
  43.     OSCICL=OSCICL+4;
  44.     OSCICN=0XC2;
  45.     CLKSEL=0X30;
  46.     SFRPAGE=0;
  48. }
  49. //********************************************
  50. void IO_INIT(void)
  51. {
  52.     SFRPAGE=0X0F;
  53.     P0MDIN=0Xe7;
  54.     P0MDOUT=0X83;
  55.     P0SKIP=0XF9;
  57.     P1MDIN=0XFF;
  58.     P1MDOUT=0XFF;
  59.     P1SKIP=0XFF;
  61.     P2MDIN=0XFE;
  62.     P2MDOUT=0XFF;
  63.     P2SKIP=0XFF;
  65.     P3MDIN=0XFF;
  66.     P3MDOUT=0XFB;                        //FF*********
  67.     P3SKIP=0XFD;
  69.     P4MDOUT=0XFF;
  71.     XBR0=0X09;
  72.     XBR1=0X40;                            //禁止弱上拉，允许交叉开关 *****
  73.     SFRPAGE=0X0;
  74. }
  75. //********************************************
  76. void XRAM_INIT(void)
  77. {
  78.     SFRPAGE=0X0F;
  79.     EMI0CF=0X07;
  80.     SFRPAGE=0;
  81. }
  82. //********************************************
  83. void SMB_INIT(void)
  84. {
  85.     SMB0CF=0XC1;
  87. }
  88. //********************************************
  89. void UART_INIT(void)
  90. {
  91.           SCON0=0X0;
  92. }
  93. //********************************************
  94. void DAC_INIT(void)
  95. {
  96.     IDA0CN=0XF2;
  97. }
  98. //********************************************
  99. void ADC_INIT(void)
  100. {
  101.     REF0CN=0;                //VDD为基准
  102.     AMX0P=0X08;                //正端接P20
  103.     AMX0N=0X1F;                //负端接GND
  104.     ADC0CF=0X2C;            //左对齐，转换时钟2MHZ
  105.     ADC0CN=0X80;            //写ADOBUSY启动AD
  106. }
  107. //********************************************
  108. void INT0_INIT(void)
  109. {
  110.     IT01CF=0X65;                //选择P0.6为INT1，P0.5为INT0
  111.     IT0=1;                        //下降沿触发
  112.     IT1=1;
  113. }
  114. //********************************************
  115. void TIMER_INIT(void)
  116. {
  117.     TMOD=0x11;                    //T0、T1方式1
  118.     CKCON=0;                     //系统时钟12分频
  120.     TL0=0X78;
  121.     TH0=0XEC;                    //10MS
  123.     TL1=0X0C;
  124.     TH1=0XFE;                    //0.5MS
  126.     TMR2CN=0X04;                //16位自动重装
  127.     TMR2RLL=0XF0;                //10MS
  128.     TMR2RLH=0XD8;
  130.     TMR3CN=0X0C;                //双8位自动重装入，系统时钟1/12
  131.     TMR3RLL=0XE0;                //定时100us
  132.     TMR3RLH=0XFF;
  134.     TR0=1;
  135.     TR1=1;
  136. }
  137. //***********************************************
  138. void PCA_INIT(void)
  139. {
  140.     PCA0CN=0X40;                //允许PCA计数器、定时器
  141.     PCA0MD=0;                    //禁止看门狗定时器
  142. }
  143. //***********************************************
  144. void INT_INIT(void)
  145. {
  146.     EX0=1;                        //INIT0，键盘
  147.     PX0=0;                        //INT0为低优先级
  148.     ET0=0;                        //T0
  149.     ET1=0;                        //T1
  150.     ET2=0;                        //T2
  151.     EIE1=0X0;                    //0X08,允许ADC中断
  152.     ES0=0;                        //uart
  153.     EA=1;
  155. }
  156. //**************************************************
  158. void Init_device(void) 
  159. {
  160.     OSC_INIT();
  161.     IO_INIT();
  162.     XRAM_INIT();
  163.     SMB_INIT();
  164.     UART_INIT();
  165. //    DAC_INIT();
  166. //    ADC_INIT();
  167.     TIMER_INIT();
  168.     PCA_INIT();
  169.     INT0_INIT();
  170.     INT_INIT();
  171. }
  172. //**************************************************
  173. //--------------------------------------------------------
  174. void LCD_REST(void)
  175. {
  176.     int i;
  177.     LCD_RST=0;
  178.     for(i=0;i<255;i++);
  179.     LCD_RST=1;
  180. }
  181. //********************************************************
  182. void LCD_WC(unsigned char command)                //LCD写命令
  183. {
  184.     while(RCOMADDR&0X80);
  185.     WCOMADDR=command;
  186. }
  187. //********************************************************
  188. void LCD_INIT(void)                               //LCD初始化
  189. {
  190.     LCD_WC(0X30);                                //设为基本命令集
  191.     LCD_WC(0X01);     
  192.     LCD_WC(0X02);                                //将DDRAM填满20H，并设定DDRAM地址计数器为0
  193.     LCD_WC(0X0C);                                //开整体显示
  194. }
  195. //***********************************************************
  197. void LCD_WD(unsigned char d)                    //LCD写数据
  198. {
  199.     while(RCOMADDR&0X80);
  200.     WDATADDR=d;
  201. }
  202. //**********************************************************
  203. void LCD_HZ(unsigned char x,unsigned char temp[])                //显示一行字符
  204. {
  205.    int i=0;
  206.    LCD_WC(x);                                                   //x代表位置，=0x80对应左上角
  207.    while(temp[i]!=0)
  208.      {
  209.         LCD_WD(temp[i]);
  210.         i++;
  211.     }
  212. }
  213. //********************************************************
  214. void LCD_BYTE(unsigned char x,unsigned char temp)                //显示一行字符
  215. {
  216.    LCD_WC(x);                                                   //x代表位置，=0x80对应左上角
  217.    LCD_WD(temp);
  218. }
  221. //*********************************************************
  222. void LCD_CLR(void)                                 //LCD清屏
  223. {
  224.        LCD_WC(0X01);
  225. }
  226. //*********************************************************
  227. void INIT_XSRAM(void)                            //ROM中的SIN模拟数据复制到disp
  228. {
  229. int i,j;
  230. for(i=0,j=0  ;i<128;i++){
  231.     disp[i]=SINTAB[j];
  232.     j=j+2;
  233.     }
  234. }
  235. //********************************************************
  236. void CLRGDRAM(void)                                  //清LCD VRAM
  237. {
  238. int i,j;
  239. for(i=0;i<32;i++){
  240.     LCD_WC((i|0x80));
  241.     LCD_WC(0X80);
  242.     for(j=0;j<16;j++) LCD_WD(0x0);
  243.     }
  244. for(i=0;i<32;i++){
  245.     LCD_WC((i|0x80));
  246.     LCD_WC(0X88);
  247.     for(j=0;j<16;j++) LCD_WD(0x00);
  248.     }
  249. }
  250. //********************************************************
  251. void WR_GDRAM(void)                         //将disp[]数据送LCD显示
  252. {
  253.     unsigned char buf[16];
  254.     unsigned char code tab[]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};
  255.     int i,j,k;
  256.     for(k=0;k<0x40;k++){
  257.         for(i=0;i<16;i++) buf[i]=0;
  258.         for(i=0,j=0;i<128;i++){
  259.             if(((~disp[i])>>2)==k){
  260.                 buf[i/8]=buf[i/8]|tab[i%8];
  261.             }
  262.         }
  264.     if(k<32) {LCD_WC(k|0x80);LCD_WC(0X80);}
  265.     else {LCD_WC((k-0x20)|0x80);LCD_WC(0X88);}
  266.     for(i=0;i<16;i++) LCD_WD(buf[i]);
  267.     }
  269. }
  272. //********************************************************
  273. void KEY_INIT0(void) interrupt 0
  274. {
  275.     key_num=KEYCS&0x0f;
  276. }
  277. //********************************************************
  278. void GET_DATA(void) interrupt 2            //取FPGA的采样数据
  279. {
  280.     unsigned char xdata *p;
  281.     int i;
  282.     p=0x4000;                            //双口RAM的首地址
  283.     for(i=0;i<128;i++,p++) disp[i]=*p;
  284.     flag=1;                                 //设置标志
  285. }  
  287. main()
  288. {
  289.       int i;
  291.     Init_device();
  292.     LCD_REST();
  293.     LCD_INIT();
  294.     LCD_HZ(0x90,CHINESE1);
  297.     LCD_INIT();
  298.     LCD_WC(0X34);
  299.     CLRGDRAM();                //清LCD
  300.     INIT_XSRAM();
  301.     WR_GDRAM();                //显示正弦
  302.     LCD_WC(0X36);
  303.     LCD_WC(0X30);
  305.     IE1=0;
  306.     EX1=1;
  308. while(1)
  309. {    
  310.     if(flag) {
  311.         flag=0;    
  312.         LCD_INIT();
  313.         LCD_WC(0X34);
  314.         CLRGDRAM();                //清LCD
  315.         WR_GDRAM();                //显示正弦
  316.         LCD_WC(0X36);
  317.         LCD_WC(0X30);
  318.         }
  319.     if((key_num&0xf0)==0) 
  320.         {
  322.         switch(key_num)
  323.         {
  324.         case 0:
  325.                 START=0;
  326.                 for(i=0;i<20000;i++);
  327.                 START=1;        
  328.                 break;
  330.         case 1:    break;
  331.         }
  332.         key_num=0xff;
  333.         }
  334. }
  336. }

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