嵌入式实验报告.doc

ARM实验报告姓名： 学号：专业：学院：指导老师：一、 GPIO输出与按键控制实验按键控制流水灯实验实验原内容：通过数组认为定义流水灯花样；一个按键控制一种流水灯花色；实验电路图：源程序：#include Config.h#include Target.h/* 名称：DelayNS() 功能：长软件延时 入口参数：dly延时参数，值越大，延时越久*/void DelayNS(uint32 dly) uint32 i; for(; dly0; dly-) for(i=0; i50000; i+);/* 函数名称：main() 函数功能：GPIO输出测试，花样流水灯。*/const uint32 LED_TBL810 = 花样流水灯，注意调用时候用了取反操作 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF,/ 全部点亮0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0xFF, / 依次逐个点亮0x00, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F, 0xFF, 0xFF, / 依次逐个叠加0xFF, 0x7F, 0x3F, 0x1F, 0x0F, 0x07, 0x03, 0x01, 0x00, 0xFF, / 依次逐个递减0x00, 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81, 0xFF, / 两个靠拢后分开0x00, 0x81, 0xC3, 0xE7, 0xFF, 0xFF, 0xE7, 0xC3, 0x81, 0xFF,/ 从两边叠加后递减0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xFF, 0xFF,0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF ;/* 函数名称：keyscan() 函数功能：按键扫描，每按一次键对相应的LED进行取反*/void keyscan(void) uint32 i,j,k,m; PINSEL0 = 0x00000000; / 设置管脚连接GPIO IO0DIR = 0x000000ff; k=IO0PIN; if(k&keycon)!=keycon) for(j=0; j50000; j+);/延时去抖 k=IO0PIN; if(k&keycon)!=keycon) i=(k&keycon)|(keycon); i=i; switch(i) case KEY1 :for(m=0;m10;m+)IO0SET=(LED_TBL0m);DelayNS(3);IO0CLR = (LED_TBL0m);DelayNS(3); break; case KEY2 :for(m=0;m10;m+)IO0SET=(LED_TBL1m);DelayNS(3);IO0CLR = (LED_TBL1m);DelayNS(3); break; case KEY3 :for(m=0;m10;m+)IO0SET=(LED_TBL2m);DelayNS(3);IO0CLR = (LED_TBL2m);DelayNS(3); break; case KEY4 :for(m=0;m10;m+)IO0SET=(LED_TBL3m);DelayNS(3);IO0CLR = (LED_TBL3m);DelayNS(3); break; case KEY5 :for(m=0;m10;m+)IO0SET=(LED_TBL4m);DelayNS(3);IO0CLR = (LED_TBL4m);DelayNS(3); break; case KEY6 :for(m=0;m10;m+)IO0SET=(LED_TBL5m);DelayNS(3);IO0CLR = (LED_TBL5m);DelayNS(3); beak; case KEY7 :for(m=0;m10;m+)IO0SET=(LED_TBL6m);DelayNS(3);IO0CLR = (LED_TBL6m);DelayNS(3); break; case KEY8 :for(m=0;m0; dly-)for (i=0; i50000; i+);/* 函数名称：main() 函数功能：GPIO输出测试，花样流水灯。*/const uint32 LED_TBL = / 花样流水灯，注意调用时候用了取反操作 0x00, 0xFF, / 全部熄灭后，再全部点亮0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, / 依次逐个点亮0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F, 0xFF, / 依次逐个叠加0xFF, 0x7F, 0x3F, 0x1F, 0x0F, 0x07, 0x03, 0x01, / 依次逐个递减0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81, / 两个靠拢后分开0x81, 0xC3, 0xE7, 0xFF, 0xFF, 0xE7, 0xC3, 0x81 ;/ 从两边叠加后递减int main (void) uint8 i;PINSEL0 = 0x00000000; / 设置管脚连接GPIO IO0DIR = 0x000000ff;/ 设置P0.0-P0.7控制口为输出while (1) for (i=0; i42; i+)/ 花样流水灯显示 IO0SET = (LED_TBLi);DelayNS(3);IO0CLR = (LED_TBLi);DelayNS(3);三、 单路按键控制LED/蜂鸣器实验内容：按键key1一按，蜂鸣器响，LED灯亮；实验电路图：源程序：#include config.h#define BEEP 17 /P0.7控制蜂鸣器，低电平蜂鸣#define KEY1 10; dly-)for (i=0; i50000; i+);/* 函数名称：main()* 函数功能：用P0.7控制BEEP，让蜂鸣器蜂鸣*/int main (void) PINSEL0 = 0x00000000; / 设置引脚连接GPIOPINSEL1 = 0x00000000; IO0DIR = BEEP; / 设置BEEP控制口为输出while (1) if(IO0PIN & KEY1) = 0)IO0CLR = BEEP; else IO0SET = BEEP;四、 定时器0控制数码管一亮一灭实验内容：0.5定时时间一到，数码管闪烁一次；实验电路图：源程序：#include Config.h#include Target.h#define LED (1 0;i-);uint8 table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;uint8 table1=0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80;int main(void)uint8 i,j,p=16;PINSEL0=0x00000000;PINSEL1=0x00000000;IO0DIR=0x00ffff00;while(1)for(i=0;i8;i+)IO0CLR=IO0CLR|0xff00;IO0SET=tablei8;for(j=0;j8;j+) IO0CLR=IO0CLR|0xff0000; IO0SET=10; dly-)for (i=0; i50000; i+);/* 函数名称：main()* 函数功能：主函数*/int main(void)uint8 i; Init(); / I/O端口初始化 lcd_init();/ LCD初始化DisText(0x80,Current Temperature:);for(i=0;i110;i+)ReadTemp();/ 预读DS18B20while (1)ConvertTemperature(ReadTemp(); / 温度转换DisText(0xc4,Tp);/ 显示当前温度七、 LCD 1602显示1实验电路图：源程序：#include config.h#define rs (15)#define rw (16)#define en (17)#define busy (115)/* 函数名称：ChkBusy()* 函数功能：检查总线是否忙*/void ChkBusy()IO0DIR=0xf0;while(1)IO0CLR=rs;IO0SET=rw;IO0SET=en;if(!(IO0PIN & busy)break;IO0CLR=en;IO0DIR=0xffffffff;/* 函数名称：WrOp()* 函数功能：写命令* 入口参数：dat，待写入LCD的命令 */void WrOp(uint8 dat)ChkBusy();IO0CLR=rs;IO0CLR=rw;IO0CLR=IO0CLR|0xff00;/先清零IO0SET=dat8;/再送数IO0SET=en;IO0CLR=en;/* 函数名称：WrDat()* 函数功能：写数据* 入口参数：dat，待写入LCD的数据 */void WrDat(uint8 dat)ChkBusy();IO0SET=rs;IO0CLR=rw;IO0CLR=IO0CLR|0xff00;/先清零IO0SET=dat8;/再送数IO0SET=en;IO0CLR=en;/* 函数名称：lcd_init()* 函数功能：lcd初始化*/void lcd_init(void)WrOp(0x38);WrOp(0x06);WrOp(0x0c);/* 函数名称：LocateXY()* 函数功能：显示光标定位* 入口参数：posx LCD列位置，posy LCD行位置 */void LocateXY( uint8 posx,uint8 posy) uint8 temp;temp = posx & 0xf;posy &= 0x1;if ( posy )temp |= 0x40;temp |= 0x80;WrOp(temp);/* 函数名称：DispOneChar()* 函数功能：显示单字符* 入口参数：x LCD列位置，y LCD行位置，Wdata 显示字符*/void DispOneChar(uint8 x,uint8 y,uint8 Wdata) LocateXY( x, y );/ 定位显示字符的x,y位置WrDat( Wdata );/ 写字符/* 函数名称：ePutstr() * 函数功能：显示字符串* 入口参数：x LCD列，y LCD行，j 字符串长度，*ptr 字符串指针 */void ePutstr(uint8 x,uint8 y, uint8 j,uint8 *ptr)uint8 i,l=0;for (i=0;ij;i+)DispOneChar(x+,y,ptri);if ( x = 16 )x = 0; y = l;/* 函数名称：DisText()* 函数功能：显示文本* 入口参数：addr LCD DDRAM地址，*p 文本指针 */void DisText(uint8 addr,char *p)WrOp(addr);while(*p !=0)WrDat(*(p+);/* 函数名称：main()* 函数功能：LCD初始化，自定义汉字字符，LCD显示英文和汉字字符。*/int main(void) uint8 i; uint8 examp1=0x32,0x30,0x31,0x32,0x00,0x31,0x01,0x32,0x36,0x02; uint8 Hzzimo=0x08,0x0F,0x12,0x0F,0x0A,0x1F,0x02,0x00, / 年 0x0F,0x09,0x0F,0x09,0x0F,0x09,0x11,0x00, / 月 0x0F,0x09,0x09,0x0F,0x09,0x09,0x0F,0x00;/ 日 lcd_init(); / LCD初始化WrOp( 0x40 ); / 自定义汉字字符：年、月、日for (i=0;i24;i+)WrDat(Hzzimoi); DisText(0x80,lu ming yue); / 第一行从第0位开始显示英文字符ePutstr(4,1,10,examp1); / 第二行从第4位开始显示2012年1月26日while(1);八、 LCD 1602显示2实验电路图：源程序：#include config.h#define rs (15)#define rw (16)#define en (17)#define busy (115)/* 函数名称：ChkBusy()* 函数功能：检查总线是否忙*/void ChkBusy()IO0DIR=0xf0;while(1)IO0CLR=rs;IO0SET=rw;IO0SET=en;if(!(IO0PIN & busy)break;IO0CLR=en;IO0DIR=0xffffffff;/* 函数名称：WrOp()* 函数功能：写命令* 入口参数：dat，待写入LCD的命令 */void WrOp(uint8 dat)ChkBusy();IO0CLR=rs;IO0CLR=rw;IO0CLR=IO0CLR|0xff00;/先清零IO0SET=dat8;/再送数IO0SET=en;IO0CLR=en;/* 函数名称：WrDat()* 函数功能：写数据* 入口参数：dat，待写入LCD的数据 */void WrDat(uint8 dat)ChkBusy();IO0SET=rs;IO0CLR=rw;IO0CLR=IO0CLR|0xff00;/先清零IO0SET=dat8; /再送数IO0SET=en;IO0CLR=en;/* 函数名称：lcd_init()* 函数功能：lcd初始化*/void lcd_init(void)WrOp(0x38);WrOp(0x06);WrOp(0x0c);/* 函数名称：DisText()* 函数功能：显示文本* 入口参数：addr LCD DDRAM地址，*p 文本指针 */void DisText(uint8 addr,char *p)WrOp(addr);while(*p !=0)WrDat(*(p+);/* 函数名称：main()* 函数功能：LCD初始化，自定义汉字字符，LCD显示英文和汉字字符。*/int main(void) uint8 i; lcd_init(); / LCD初始化DisText(0x80,lu ming yue);DisText(0xc0,abcdefg hijklmn); while(1);九、 LCD 1602显示3实验电路图：源程序：#include config.h#define rs (15)#define rw (16)#define en (17)#define busy (115)/* 函数名称：ChkBusy()* 函数功能：检查总线是否忙*/void ChkBusy()IO0DIR=0xf0;while(1)IO0CLR=rs;IO0SET=rw;IO0SET=en;if(!(IO0PIN & busy)break;IO0CLR=en;IO0DIR=0xffffffff;/* 函数名称：WrOp()* 函数功能：写命令* 入口参数：dat，待写入LCD的命令 */void WrOp(uint8 dat)ChkBusy();IO0CLR=rs;IO0CLR=rw;IO0CLR=IO0CLR|0xff00;/先清零IO0SET=dat8;/再送数IO0SET=en;IO0CLR=en;/* 函数名称：WrDat()* 函数功能：写数据* 入口参数：dat，待写入LCD的数据 */void WrDat(uint8 dat)ChkBusy();IO0SET=rs;IO0CLR=rw;IO0CLR=IO0CLR|0xff00;/先清零IO0SET=dat8; /再送数IO0SET=en;IO0CLR=en;/* 函数名称：lcd_init()* 函数功能：lcd初始化*/void lcd_init(void)WrOp(0x38);WrOp(0x06);WrOp(0x0c);/* 函数名称：DisText()* 函数功能：显示文本* 入口参数：addr LCD DDRAM地址，*p 文本指针 */void DisText(uint8 addr,char *p)WrOp(addr);while(*p !=0)WrDat(*(p+);/* 函数名称：main()* 函数功能：LCD初始化，自定义汉字字符，LCD显示英文和汉字字符。*/int main(void) uint8 i; lcd_init(); / LCD初始化DisText(0x80,abcdefg hijklmn); DisText(0xc0,lu ming yue); while(1);十、 PWM脉宽调制实验内容：LPC2131芯片PWM模块可以实现6路单边沿控制或者3路双边沿控制，或者两者混合输出。实验电路图：源程序：#include #define RED_A (18);#define YELLOW_A (19);#define GREEN_A(110);#define RED_B(111);#define YELLOW_B(112);#define GREEN_B(10;t-);void Traffic_lignt() switch(Operation_Type)case 1:IO0SET=RED_A;IO0SET=YELLOW_A;IO0CLR=GREEN_A;IO0CLR=RED_B;IO0SET=YELLOW_B;IO0SET=GREEN_B;DelayMS(2000);Operation_Type = 2; break;case 2:DelayMS(200);IO0SET=YELLOW_A;DelayMS(200);IO0CLR=YELLOW_A;IO0SET=GREEN_A;if(+Flash_Count !=5) return;Flash_Count=0; Operation_Type = 3; break;case 3:IO0CLR=RED_A;IO0SET=YELLOW_A;IO0SET=GREEN_A;IO0SET=RED_B;IO0SET=YELLOW_B;IO0CLR=GREEN_B;DelayMS(2000);Operation_Type = 4; break;case 4:DelayMS(200);IO0SET=YELLOW_B;DelayMS(200);IO0CLR=YELLOW_B;IO0SET=GREEN_B;if(+Flash_Count !=5) return;Flash_Count=0;Operation_Type = 1;break; int main(void)PINSEL0=0x00000000;PINSEL1=0X00000000;IO0DIR=0x00003f00; while(1)Traffic_lignt();十一、流水灯实验电路图：#include config.hvoid DelayNS (uint32 dly) uint32 i;for ( ; dly0; dly-)for (i=0; i50000; i+);int main (void) PINSEL0 = 0x00000000; IO0DIR = 0x000000ff; while (1) IO0PIN = 0xAA; DelayNS(15); IO0PIN = 0x55 ; DelayNS(15); IO0PIN = 0x00 ; DelayNS(15); 十二、模拟交通灯实验电路图：源程序：#include #define RED_A (18);#define YELLOW_A (19);#define GREEN_A(110);#define RED_B(111);#define YELLOW_B(112);#define GREEN_B(10;t-);void Traffic_lignt() switch(Operation_Type)case 1:IO0SET=RED_A;IO0SET=YELLOW_A;IO0CLR=GREEN_A;IO0CLR=RED_B;IO0SET=YELLOW_B;IO0SET=GREEN_B;DelayMS(2000);Operation_Type = 2; break;case 2:DelayMS(200);IO0SET=YELLOW_A;DelayMS(200);IO0CLR=YELLOW_A;IO0SET=GREEN_A;if(+Flash_Count !=5) return;Flash_Count=0; Operation_Type = 3; break;case 3:IO0CLR=RED_A;IO0SET=YELLOW_A;IO0SET=GREEN_A;IO0SET=RED_B;IO0SET=YELLOW_B;IO0CLR=GREEN_B;DelayMS(2000);Operation_Type = 4; break;case 4:DelayMS(200);IO0SET=YELLOW_B;DelayMS(200);IO0CLR=YELLOW_B;IO0SET=GREEN_B;if(+Flash_Count !=5) return;Flash_Count=0;Operation_Type = 1;break; int main(void)PINSEL0=0x00000000;PINSEL1=0X00000000;IO0DIR=0x00003f00; while(1)Traffic_lignt();十三、FIQ中断服务实验电路图：#include config.h#define LED1 1 18 #define EINT0 14 int main (void) PINSEL1 = 0x00000001; IO0DIR = LED1; EXTMODE = 0x00; FIQEnable(); VICIntSelect = 1 EINT0; EXTINT = 0x01; VICIntEnable = 1 0; dly-) for(i=0; i50000; i+);void keyscan(void) uint32 i,j,k; k=IO0PIN; if(k&keycon)!=keycon) for(j=0; j50000; j+); k=IO0PIN; if(k&keyc