• 模块化编程+LCD1602调试工具——“51单片机”

    各位CSDN的uu们你们好呀，小雅兰又来啦，刚刚学完静态数码管显示和动态数码管显示，感觉真不错呢，下面，小雅兰就要开始学习模块化编程以及LCD1602调试工具的知识了，让我们进入51单片机的世界吧！！！

    模块化编程

    LCD1602调试工具

    模块化编程

     

     

    右键点击Open document ，就会显示出此头文件的内容，这句代码的意思也就是把这部分内容拷贝到此文件下

    /*--------------------------------------------------------------------------
    AT89X52.H

    Header file for the low voltage Flash Atmel AT89C52 and AT89LV52.
    Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc.
    All rights reserved.
    --------------------------------------------------------------------------*/

    #ifndef __AT89X52_H__
    #define __AT89X52_H__

    /*------------------------------------------------
    Byte Registers
    ------------------------------------------------*/
    sfr P0      = 0x80;
    sfr SP      = 0x81;
    sfr DPL     = 0x82;
    sfr DPH     = 0x83;
    sfr PCON    = 0x87;
    sfr TCON    = 0x88;
    sfr TMOD    = 0x89;
    sfr TL0     = 0x8A;
    sfr TL1     = 0x8B;
    sfr TH0     = 0x8C;
    sfr TH1     = 0x8D;
    sfr P1      = 0x90;
    sfr SCON    = 0x98;
    sfr SBUF    = 0x99;
    sfr P2      = 0xA0;
    sfr IE      = 0xA8;
    sfr P3      = 0xB0;
    sfr IP      = 0xB8;
    sfr T2CON   = 0xC8;
    sfr T2MOD   = 0xC9;
    sfr RCAP2L  = 0xCA;
    sfr RCAP2H  = 0xCB;
    sfr TL2     = 0xCC;
    sfr TH2     = 0xCD;
    sfr PSW     = 0xD0;
    sfr ACC     = 0xE0;
    sfr B       = 0xF0;

    /*------------------------------------------------
    P0 Bit Registers
    ------------------------------------------------*/
    sbit P0_0 = 0x80;
    sbit P0_1 = 0x81;
    sbit P0_2 = 0x82;
    sbit P0_3 = 0x83;
    sbit P0_4 = 0x84;
    sbit P0_5 = 0x85;
    sbit P0_6 = 0x86;
    sbit P0_7 = 0x87;

    /*------------------------------------------------
    PCON Bit Values
    ------------------------------------------------*/
    #define IDL_    0x01

    #define STOP_   0x02
    #define PD_     0x02    /* Alternate definition */

    #define GF0_    0x04
    #define GF1_    0x08
    #define SMOD_   0x80

    /*------------------------------------------------
    TCON Bit Registers
    ------------------------------------------------*/
    sbit IT0  = 0x88;
    sbit IE0  = 0x89;
    sbit IT1  = 0x8A;
    sbit IE1  = 0x8B;
    sbit TR0  = 0x8C;
    sbit TF0  = 0x8D;
    sbit TR1  = 0x8E;
    sbit TF1  = 0x8F;

    /*------------------------------------------------
    TMOD Bit Values
    ------------------------------------------------*/
    #define T0_M0_   0x01
    #define T0_M1_   0x02
    #define T0_CT_   0x04
    #define T0_GATE_ 0x08
    #define T1_M0_   0x10
    #define T1_M1_   0x20
    #define T1_CT_   0x40
    #define T1_GATE_ 0x80

    #define T1_MASK_ 0xF0
    #define T0_MASK_ 0x0F

    /*------------------------------------------------
    P1 Bit Registers
    ------------------------------------------------*/
    sbit P1_0 = 0x90;
    sbit P1_1 = 0x91;
    sbit P1_2 = 0x92;
    sbit P1_3 = 0x93;
    sbit P1_4 = 0x94;
    sbit P1_5 = 0x95;
    sbit P1_6 = 0x96;
    sbit P1_7 = 0x97;

    sbit T2   = 0x90;       /* External input to Timer/Counter 2, clock out */
    sbit T2EX = 0x91;       /* Timer/Counter 2 capture/reload trigger & dir ctl */

    /*------------------------------------------------
    SCON Bit Registers
    ------------------------------------------------*/
    sbit RI   = 0x98;
    sbit TI   = 0x99;
    sbit RB8  = 0x9A;
    sbit TB8  = 0x9B;
    sbit REN  = 0x9C;
    sbit SM2  = 0x9D;
    sbit SM1  = 0x9E;
    sbit SM0  = 0x9F;

    /*------------------------------------------------
    P2 Bit Registers
    ------------------------------------------------*/
    sbit P2_0 = 0xA0;
    sbit P2_1 = 0xA1;
    sbit P2_2 = 0xA2;
    sbit P2_3 = 0xA3;
    sbit P2_4 = 0xA4;
    sbit P2_5 = 0xA5;
    sbit P2_6 = 0xA6;
    sbit P2_7 = 0xA7;

    /*------------------------------------------------
    IE Bit Registers
    ------------------------------------------------*/
    sbit EX0  = 0xA8;       /* 1=Enable External interrupt 0 */
    sbit ET0  = 0xA9;       /* 1=Enable Timer 0 interrupt */
    sbit EX1  = 0xAA;       /* 1=Enable External interrupt 1 */
    sbit ET1  = 0xAB;       /* 1=Enable Timer 1 interrupt */
    sbit ES   = 0xAC;       /* 1=Enable Serial port interrupt */
    sbit ET2  = 0xAD;       /* 1=Enable Timer 2 interrupt */

    sbit EA   = 0xAF;       /* 0=Disable all interrupts */

    /*------------------------------------------------
    P3 Bit Registers (Mnemonics & Ports)
    ------------------------------------------------*/
    sbit P3_0 = 0xB0;
    sbit P3_1 = 0xB1;
    sbit P3_2 = 0xB2;
    sbit P3_3 = 0xB3;
    sbit P3_4 = 0xB4;
    sbit P3_5 = 0xB5;
    sbit P3_6 = 0xB6;
    sbit P3_7 = 0xB7;

    sbit RXD  = 0xB0;       /* Serial data input */
    sbit TXD  = 0xB1;       /* Serial data output */
    sbit INT0 = 0xB2;       /* External interrupt 0 */
    sbit INT1 = 0xB3;       /* External interrupt 1 */
    sbit T0   = 0xB4;       /* Timer 0 external input */
    sbit T1   = 0xB5;       /* Timer 1 external input */
    sbit WR   = 0xB6;       /* External data memory write strobe */
    sbit RD   = 0xB7;       /* External data memory read strobe */

    /*------------------------------------------------
    IP Bit Registers
    ------------------------------------------------*/
    sbit PX0  = 0xB8;
    sbit PT0  = 0xB9;
    sbit PX1  = 0xBA;
    sbit PT1  = 0xBB;
    sbit PS   = 0xBC;
    sbit PT2  = 0xBD;

    /*------------------------------------------------
    T2CON Bit Registers
    ------------------------------------------------*/
    sbit CP_RL2= 0xC8;      /* 0=Reload, 1=Capture select */
    sbit C_T2 = 0xC9;       /* 0=Timer, 1=Counter */
    sbit TR2  = 0xCA;       /* 0=Stop timer, 1=Start timer */
    sbit EXEN2= 0xCB;       /* Timer 2 external enable */
    sbit TCLK = 0xCC;       /* 0=Serial clock uses Timer 1 overflow, 1=Timer 2 */
    sbit RCLK = 0xCD;       /* 0=Serial clock uses Timer 1 overflow, 1=Timer 2 */
    sbit EXF2 = 0xCE;       /* Timer 2 external flag */
    sbit TF2  = 0xCF;       /* Timer 2 overflow flag */

    /*------------------------------------------------
    T2MOD Bit Values
    ------------------------------------------------*/
    #define DCEN_   0x01    /* 1=Timer 2 can be configured as up/down counter */
    #define T2OE_   0x02    /* Timer 2 output enable */

    /*------------------------------------------------
    PSW Bit Registers
    ------------------------------------------------*/
    sbit P    = 0xD0;
    sbit F1   = 0xD1;
    sbit OV   = 0xD2;
    sbit RS0  = 0xD3;
    sbit RS1  = 0xD4;
    sbit F0   = 0xD5;
    sbit AC   = 0xD6;
    sbit CY   = 0xD7;

    /*------------------------------------------------
    Interrupt Vectors:
    Interrupt Address = (Number * 8) + 3
    ------------------------------------------------*/
    #define IE0_VECTOR    0  /* 0x03 External Interrupt 0 */
    #define TF0_VECTOR    1  /* 0x0B Timer 0 */
    #define IE1_VECTOR    2  /* 0x13 External Interrupt 1 */
    #define TF1_VECTOR    3  /* 0x1B Timer 1 */
    #define SIO_VECTOR    4  /* 0x23 Serial port */

    #define TF2_VECTOR    5  /* 0x2B Timer 2 */
    #define EX2_VECTOR    5  /* 0x2B External Interrupt 2 */

    #endif



     

    下面，我们来把之前的动态数码管显示的代码模块化一下~~

    小雅兰一共是把这些代码封装成了五个文件：

    Delay.h的内容：

    1. #ifndef __DELAY_H__
    2. #define __DELAY_H__
    3.  
    4. void Delay(unsigned char xms);
    5.  
    6. #endif

    Delay.c的内容：

    1. #include 
    2.  
    3. void Delay(unsigned char xms)	//@12.000MHz
    4. {
    5. 	unsigned char data i, j;
    6. 	while(xms)
    7. 	{
    8. 		i = 2;
    9. 		j = 239;
    10. 		do
    11. 		{
    12. 			while (--j);
    13. 		} while (--i);
    14. 		xms--;
    15. 	}
    16. }

    Nixie.h的内容：

    1. #ifndef __NIXIE_H__
    2. #define __NIXIE_H__
    3.  
    4. void Nixie(unsigned char Location,unsigned char Number);
    5.  
    6. #endif

    Nixie.c的内容：

    1. #include 
    2. #include "Delay.h"
    3. unsigned char NixieTable[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
    4. void Nixie(unsigned char Location,unsigned char Number)
    5. {
    6. 	switch(Location)
    7. 	{
    8. 	case 1:
    9. 		P2_4=1;
    10. 		P2_3=1;
    11. 		P2_2=1;
    12. 		break;
    13. 	case 2:
    14. 		P2_4=1;
    15. 		P2_3=1;
    16. 		P2_2=0;
    17. 		break;
    18. 	case 3:
    19. 		P2_4=1;
    20. 		P2_3=0;
    21. 		P2_2=1;
    22. 		break;
    23. 	case 4:
    24. 		P2_4=1;
    25. 		P2_3=0;
    26. 		P2_2=0;
    27. 		break;
    28. 	case 5:
    29. 		P2_4=0;
    30. 		P2_3=1;
    31. 		P2_2=1;
    32. 		break;
    33. 	case 6:
    34. 		P2_4=0;
    35. 		P2_3=1;
    36. 		P2_2=0;
    37. 		break;
    38. 	case 7:
    39. 		P2_4=0;
    40. 		P2_3=0;
    41. 		P2_2=1;
    42. 		break;
    43. 	case 8:
    44. 		P2_4=0;
    45. 		P2_3=0;
    46. 		P2_2=0;
    47. 		break;
    48. 	}
    49. 	P0=NixieTable[Number];
    50. 	Delay(1);
    51. 	P0=0x00;
    52. }

    main.c的内容：

    1. #include 
    2. #include "Nixie.h"
    3. void main()
    4. {
    5. 	while(1)
    6. 	{
    7. 		Nixie(1,1);
    8. 		Nixie(2,2);
    9. 		Nixie(3,3);
    10. 		Nixie(4,4);
    11. 		Nixie(5,5);
    12. 		Nixie(6,6);
    13. 	}
    14. }

     LCD1602调试工具

     LCD1602.c的内容：

    1. #include 
    2.  
    3. //引脚配置：
    4. sbit LCD_RS=P2^6;
    5. sbit LCD_RW=P2^5;
    6. sbit LCD_EN=P2^7;
    7. #define LCD_DataPort P0
    8.  
    9. //函数定义：
    10. /**
    11.   * @brief  LCD1602延时函数，12MHz调用可延时1ms
    12.   * @param  无
    13.   * @retval 无
    14.   */
    15. void LCD_Delay()
    16. {
    17. 	unsigned char i, j;
    18.  
    19. 	i = 2;
    20. 	j = 239;
    21. 	do
    22. 	{
    23. 		while (--j);
    24. 	} while (--i);
    25. }
    26.  
    27. /**
    28.   * @brief  LCD1602写命令
    29.   * @param  Command 要写入的命令
    30.   * @retval 无
    31.   */
    32. void LCD_WriteCommand(unsigned char Command)
    33. {
    34. 	LCD_RS=0;
    35. 	LCD_RW=0;
    36. 	LCD_DataPort=Command;
    37. 	LCD_EN=1;
    38. 	LCD_Delay();
    39. 	LCD_EN=0;
    40. 	LCD_Delay();
    41. }
    42.  
    43. /**
    44.   * @brief  LCD1602写数据
    45.   * @param  Data 要写入的数据
    46.   * @retval 无
    47.   */
    48. void LCD_WriteData(unsigned char Data)
    49. {
    50. 	LCD_RS=1;
    51. 	LCD_RW=0;
    52. 	LCD_DataPort=Data;
    53. 	LCD_EN=1;
    54. 	LCD_Delay();
    55. 	LCD_EN=0;
    56. 	LCD_Delay();
    57. }
    58.  
    59. /**
    60.   * @brief  LCD1602设置光标位置
    61.   * @param  Line 行位置，范围：1~2
    62.   * @param  Column 列位置，范围：1~16
    63.   * @retval 无
    64.   */
    65. void LCD_SetCursor(unsigned char Line,unsigned char Column)
    66. {
    67. 	if(Line==1)
    68. 	{
    69. 		LCD_WriteCommand(0x80|(Column-1));
    70. 	}
    71. 	else if(Line==2)
    72. 	{
    73. 		LCD_WriteCommand(0x80|(Column-1+0x40));
    74. 	}
    75. }
    76.  
    77. /**
    78.   * @brief  LCD1602初始化函数
    79.   * @param  无
    80.   * @retval 无
    81.   */
    82. void LCD_Init()
    83. {
    84. 	LCD_WriteCommand(0x38);//八位数据接口，两行显示，5*7点阵
    85. 	LCD_WriteCommand(0x0c);//显示开，光标关，闪烁关
    86. 	LCD_WriteCommand(0x06);//数据读写操作后，光标自动加一，画面不动
    87. 	LCD_WriteCommand(0x01);//光标复位，清屏
    88. }
    89.  
    90. /**
    91.   * @brief  在LCD1602指定位置上显示一个字符
    92.   * @param  Line 行位置，范围：1~2
    93.   * @param  Column 列位置，范围：1~16
    94.   * @param  Char 要显示的字符
    95.   * @retval 无
    96.   */
    97. void LCD_ShowChar(unsigned char Line,unsigned char Column,char Char)
    98. {
    99. 	LCD_SetCursor(Line,Column);
    100. 	LCD_WriteData(Char);
    101. }
    102.  
    103. /**
    104.   * @brief  在LCD1602指定位置开始显示所给字符串
    105.   * @param  Line 起始行位置，范围：1~2
    106.   * @param  Column 起始列位置，范围：1~16
    107.   * @param  String 要显示的字符串
    108.   * @retval 无
    109.   */
    110. void LCD_ShowString(unsigned char Line,unsigned char Column,char *String)
    111. {
    112. 	unsigned char i;
    113. 	LCD_SetCursor(Line,Column);
    114. 	for(i=0;String[i]!='\0';i++)
    115. 	{
    116. 		LCD_WriteData(String[i]);
    117. 	}
    118. }
    119.  
    120. /**
    121.   * @brief  返回值=X的Y次方
    122.   */
    123. int LCD_Pow(int X,int Y)
    124. {
    125. 	unsigned char i;
    126. 	int Result=1;
    127. 	for(i=0;i
    128. 	{
    129. 		Result*=X;
    130. 	}
    131. 	return Result;
    132. }
    133.  
    134. /**
    135.   * @brief  在LCD1602指定位置开始显示所给数字
    136.   * @param  Line 起始行位置，范围：1~2
    137.   * @param  Column 起始列位置，范围：1~16
    138.   * @param  Number 要显示的数字，范围：0~65535
    139.   * @param  Length 要显示数字的长度，范围：1~5
    140.   * @retval 无
    141.   */
    142. void LCD_ShowNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length)
    143. {
    144. 	unsigned char i;
    145. 	LCD_SetCursor(Line,Column);
    146. 	for(i=Length;i>0;i--)
    147. 	{
    148. 		LCD_WriteData(Number/LCD_Pow(10,i-1)%10+'0');
    149. 	}
    150. }
    151.  
    152. /**
    153.   * @brief  在LCD1602指定位置开始以有符号十进制显示所给数字
    154.   * @param  Line 起始行位置，范围：1~2
    155.   * @param  Column 起始列位置，范围：1~16
    156.   * @param  Number 要显示的数字，范围：-32768~32767
    157.   * @param  Length 要显示数字的长度，范围：1~5
    158.   * @retval 无
    159.   */
    160. void LCD_ShowSignedNum(unsigned char Line,unsigned char Column,int Number,unsigned char Length)
    161. {
    162. 	unsigned char i;
    163. 	unsigned int Number1;
    164. 	LCD_SetCursor(Line,Column);
    165. 	if(Number>=0)
    166. 	{
    167. 		LCD_WriteData('+');
    168. 		Number1=Number;
    169. 	}
    170. 	else
    171. 	{
    172. 		LCD_WriteData('-');
    173. 		Number1=-Number;
    174. 	}
    175. 	for(i=Length;i>0;i--)
    176. 	{
    177. 		LCD_WriteData(Number1/LCD_Pow(10,i-1)%10+'0');
    178. 	}
    179. }
    180.  
    181. /**
    182.   * @brief  在LCD1602指定位置开始以十六进制显示所给数字
    183.   * @param  Line 起始行位置，范围：1~2
    184.   * @param  Column 起始列位置，范围：1~16
    185.   * @param  Number 要显示的数字，范围：0~0xFFFF
    186.   * @param  Length 要显示数字的长度，范围：1~4
    187.   * @retval 无
    188.   */
    189. void LCD_ShowHexNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length)
    190. {
    191. 	unsigned char i,SingleNumber;
    192. 	LCD_SetCursor(Line,Column);
    193. 	for(i=Length;i>0;i--)
    194. 	{
    195. 		SingleNumber=Number/LCD_Pow(16,i-1)%16;
    196. 		if(SingleNumber<10)
    197. 		{
    198. 			LCD_WriteData(SingleNumber+'0');
    199. 		}
    200. 		else
    201. 		{
    202. 			LCD_WriteData(SingleNumber-10+'A');
    203. 		}
    204. 	}
    205. }
    206.  
    207. /**
    208.   * @brief  在LCD1602指定位置开始以二进制显示所给数字
    209.   * @param  Line 起始行位置，范围：1~2
    210.   * @param  Column 起始列位置，范围：1~16
    211.   * @param  Number 要显示的数字，范围：0~1111 1111 1111 1111
    212.   * @param  Length 要显示数字的长度，范围：1~16
    213.   * @retval 无
    214.   */
    215. void LCD_ShowBinNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length)
    216. {
    217. 	unsigned char i;
    218. 	LCD_SetCursor(Line,Column);
    219. 	for(i=Length;i>0;i--)
    220. 	{
    221. 		LCD_WriteData(Number/LCD_Pow(2,i-1)%2+'0');
    222. 	}
    223. }

    LCD1602.h的内容：

    1. #ifndef __LCD1602_H__
    2. #define __LCD1602_H__
    3.  
    4. //用户调用函数：
    5. void LCD_Init();
    6. void LCD_ShowChar(unsigned char Line,unsigned char Column,char Char);
    7. void LCD_ShowString(unsigned char Line,unsigned char Column,char *String);
    8. void LCD_ShowNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);
    9. void LCD_ShowSignedNum(unsigned char Line,unsigned char Column,int Number,unsigned char Length);
    10. void LCD_ShowHexNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);
    11. void LCD_ShowBinNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);
    12.  
    13. #endif

    main.c的内容：

    1. #include 
    2. #include "LCD1602.h"
    3.  
    4. void main()
    5. {
    6. 	LCD_Init();
    7. 	LCD_ShowChar(1,1,'K');
    8. 	LCD_ShowString(1,3,"Hello");
    9. 	LCD_ShowNum(1,9,123,3);
    10. 	LCD_ShowSignedNum(1,13,-66,2);
    11. 	LCD_ShowHexNum(2,1,0xA8,2);
    12. 	LCD_ShowBinNum(2,4,0xAA,8);
    13. 	while(1)
    14. 	{}
    15. }

     这个调试工具还是非常方便的！！！

    好啦，小雅兰的模块化编程和LCD1602调试工具的内容就到这里啦，还要继续加油！！！

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  • 原文地址：https://blog.csdn.net/weixin_74957752/article/details/133493625