boot實(shí)驗(yàn)報(bào)告本次實(shí)驗(yàn)由于時(shí)間限制，共完成了三種不同的變化方式，但是課后又設(shè)計(jì)了一些其他的變化方式。1、從左到右，再?gòu)挠业阶罅翢簦粩嘌h(huán)#defineLED_CS4 (*((volatileunsignedchar*)(0x10500000)))#defineLED_VALUE(0xff)inti;voidDelay(unsignedintx){ unsignedinti,j,k; for(i=0;i<=x;i++) for(j=0;j<0xff;j++) for(k=0;k<0xff;k++);}voiddummyOs(void){ while(1) { LED_CS4=0xff; for(i=1;i<=8;i++) { LED_CS4=(LED_VALUE<<i)-1; Delay(200); } for(i=7;i>1;i--) { LED_CS4=(LED_VALUE<<i)-1; Delay(200); } } }2、先從左到中，后從右到中，不斷循環(huán)#defineLED_CS4 (*((volatileunsignedchar*)(0x10500000)))#defineLED_VALUE(0xff)inti;voidDelay(unsignedintx){ unsignedinti,j,k; for(i=0;i<=x;i++) for(j=0;j<0xff;j++) for(k=0;k<0xff;k++);}voiddummyOs(void){ while(1) { LED_CS4=0xff; for(i=0;i<4;i++) { LED_CS4=(LED_VALUE<<i)-1; Delay(200); } for(i=7;i>=4;i--) { LED_CS4=(LED_VALUE<<i)-1; Delay(200); } } }3、從左到右，從右到左，隔一個(gè)跳#defineLED_CS4 (*((volatileunsignedchar*)(0x10500000)))#defineLED_VALUE(0xff)inti;voidDelay(unsignedintx){ unsignedinti,j,k; for(i=0;i<=x;i++) for(j=0;j<0xff;j++) for(k=0;k<0xff;k++);}voiddummyOs(void){ while(1) { LED_CS4=0xff; for(i=1;i<8;i=i+2) { LED_CS4=(LED_VALUE<<i)-1; Delay(200); } for(i=7;i>1;i=i-2) { LED_CS4=(LED_VALUE<<i)-1; Delay(200); } } }課后補(bǔ)做：1、從左到右燈滅#defineLED_CS4 (*((volatileunsignedchar*)(0x10500000)))#defineLED_VALUE(0xff)inti;voidDelay(unsignedintx){ unsignedinti,j,k; for(i=0;i<=x;i++) for(j=0;j<0xff;j++) for(k=0;k<0xff;k++);}voiddummyOs(void){ while(1) { LED_CS4=0x00; for(i=8;i>=1;i--) { LED_CS4=(LED_VALUE>>i)+1; Delay(200); } } }2、從左到右，再?gòu)挠业阶鬅魷纾粩嘌h(huán)#defineLED_CS4 (*((volatileunsignedchar*)(0x10500000)))#defineLED_VALUE(0xff)inti;voidDelay(unsignedintx){ unsignedinti,j,k; for(i=0;i<=x;i++) for(j=0;j<0xff;j++) for(k=0;k<0xff;k++);}voiddummyOs(void){ while(1) { LED_CS4=0x00; for(i=8;i>=1;i--) { LED_CS4=(LED_VALUE>>i)+1; Delay(200); } for(i=1;i<7;i++) { LED_CS4=(LED_VALUE>>i)+1; Delay(200); } } }實(shí)驗(yàn)總結(jié)：數(shù)碼管顯示實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)?zāi)康脑趯?shí)驗(yàn)一引導(dǎo)程序的基礎(chǔ)上進(jìn)一步了解ARM體系結(jié)構(gòu)和編程方法；掌握外設(shè)訪問(wèn)的方法；理解8段數(shù)碼管的顯示原理實(shí)驗(yàn)內(nèi)容1顯示同組的兩位同學(xué)的四位學(xué)號(hào)20322033；2顯示一組大于九的四位十六進(jìn)制數(shù)字，如abcd。3使跑碼燈從左到右順序亮。實(shí)驗(yàn)代碼#include<stdio.h>#include"register_variant.h"#defineLED_CS2 (*((volatileunsignedshortint*)(0x10300000))) //LED1andLED2#defineLED_CS3 (*((volatileunsignedshortint*)(0x10400000))) //LED3andLED4#defineLED_CS4 (*((volatileunsignedchar*)(0x10500000)))#defineLED_VALUE(0xff)voidDelay(unsignedintx){ unsignedinti,j,k; for(i=0;i<=x;i++) for(j=0;j<0xff;j++) for(k=0;k<0xff;k++);}inti=0;voiddummyOs(void){ LED_CS2=0x8f8f;//00 LED_CS3=0x8f8f;//00 while(1) { //Delay(100); LED_CS2=0x4024;//20 LED_CS3=0x2430;//32 LED_CS4=(LED_VALUE<<i)-1; if(i<=8)i++; elsei=0; Delay(200); LED_CS2=0x4024;//20 LED_CS3=0x3030;//33 LED_CS4=(LED_VALUE<<i)-1; if(i<=8)i++; elsei=0; Delay(200); LED_CS2=0x4024;//20 LED_CS3=0x2430;//32 LED_CS4=(LED_VALUE<<i)-1; if(i<=8)i++; elsei=0; Delay(200); LED_CS2=0x4024;//20 LED_CS3=0x3030;//33 LED_CS4=(LED_VALUE<<i)-1; if(i<=8)i++; elsei=0; Delay(200); LED_CS2=0x0308;//Ab LED_CS3=0x0646;//CE LED_CS4=(LED_VALUE<<i)-1; if(i<=8)i++; elsei=0; Delay(200); LED_CS2=0x0308;//Ab LED_CS3=0x0646;//CE LED_CS4=(LED_VALUE<<i)-1; if(i<=8)i++; elsei=0; Delay(200); }}實(shí)驗(yàn)總結(jié)：鍵盤實(shí)驗(yàn)實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)?zāi)康模毫私庵比腈I盤與矩陣鍵盤的原理了解鍵盤寄存器的功能掌握鍵盤輸入的編程方法實(shí)驗(yàn)要求：對(duì)所有16個(gè)按鍵進(jìn)行編碼，如使用一位數(shù)字[0-F,也可以用兩位]當(dāng)按鍵后，在七段數(shù)碼管上顯示對(duì)應(yīng)的鍵盤編碼。在跑碼燈上顯示相應(yīng)二進(jìn)制數(shù)。實(shí)驗(yàn)代碼：#include<stdio.h>#include"register_variant.h"#defineLED_CS2(*((volatileunsignedshortint*)(0x10300000)))//LED1andLED2#defineLED_CS3(*((volatileunsignedshortint*)(0x10400000)))//LED3andLED4#defineKPDK_VALUE(*((volatileunsignedchar*)(0x41500008)))//DirectKeypad#defineKAPS_VALUE(*((volatileunsignedchar*)(0x41500020))) #defineLED_CS4 (*((volatileunsignedchar*)(0x10500000)))voidbutton_statusFetch(void){ charm=0,n=0; unsignedshortintkbd_buff; m=KPDK_VALUE; n=KAPS_VALUE; switch(m) { case0x40: //key-press1 kbd_buff=0x8F79; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0x7F; break; case0x02: //key-press2 kbd_buff=0x248F; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0xBF; break; case0x04: //key-press3 kbd_buff=0x8F30; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0x3F; break; case0x20: //key-press4 kbd_buff=0x198F; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0xDF; break; default:kbd_buff=0x8F8F;break; } switch(n) { case0x00: //key-press5 kbd_buff=0x8F12; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0x5F; break; case0x01: //key-press6 kbd_buff=0x028F; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0x9F; break; case0x02: //key-press7 kbd_buff=0x8F78; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0x1F; break; case0x05: //key-press8 kbd_buff=0x008F; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0xEF; break; case0x10: //key-press9 kbd_buff=0x8F18; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0x6F; break; case0x11: //key-press10 kbd_buff=0x088F; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0xAF; break; case0x12: //key-press11 kbd_buff=0x8F03; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0x2F; break; case0x15: //key-press12 kbd_buff=0x468F; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0xCF; break; case0x20: //key-press13 kbd_buff=0x8F21; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0x4F; break; case0x21: //key-press14 kbd_buff=0x068F; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0x8F; break; case0x22: //key-press15 kbd_buff=0x8F0E; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0x0F; break; case0x25: //key-press16 kbd_buff=0x408F; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0xF7; break; default:kbd_buff=0x8F8F;break; } }voiddummyOs(void){ intled_sharp; inttemp=~0; LED_CS2=temp; LED_CS3=temp; while(1) { led_sharp=ledShareInterval; for(;led_sharp>0;led_sharp--) { button_statusFetch(); } }}實(shí)驗(yàn)總結(jié)：中斷實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)?zāi)康?理解中斷向量表的結(jié)構(gòu)理解中斷處理的過(guò)程學(xué)習(xí)編寫中斷處理程序的方法實(shí)驗(yàn)內(nèi)容:基本內(nèi)容：修改源程序，通過(guò)中斷方式響應(yīng)按鍵，當(dāng)1-16鍵按下時(shí)，數(shù)碼管顯示0-F。設(shè)計(jì)主程序，使8個(gè)LED以一定的時(shí)間間隔從右到左依次點(diǎn)亮，循環(huán)顯示；（實(shí)驗(yàn)一的內(nèi)容）編寫中斷服務(wù)程序，達(dá)到如下效果：以中斷形式驅(qū)動(dòng)按鍵，當(dāng)有鍵按下時(shí)，在七段數(shù)碼管上，顯示對(duì)應(yīng)的16個(gè)鍵盤編碼值0-9a-f（實(shí)驗(yàn)二、三的內(nèi)容），然后回到主程序。實(shí)驗(yàn)代碼：Interrupt.c中#include<stdio.h>#defineLED_CS2 (*((volatileunsignedshortint*)(0x10300000))) //LED1andLED2#defineLED_CS3 (*((volatileunsignedshortint*)(0x10400000))) //LED3andLED4#defineLED_CS4 (*((volatileunsignedchar*)(0x10500000)))#defineKPDK_VALUE (*((volatileunsignedchar*)(0x41500008))) //DirectKeypad#defineKPAS_VALUE (*((volatileunsignedchar*)(0x41500020))) //MatrixKeypad#defineLED_VALUE(0xff) voidDelay(unsignedintx) { unsignedinti,j,k; for(i=0;i<=x;i++) for(j=0;j<0xff;j++) for(k=0;k<0xff;k++); }voidIRQ_Function(void){ chari,j; unsignedshortintkbd_buff; i=KPDK_VALUE; j=KPAS_VALUE; switch(i) { case0x40: //key-press1 kbd_buff=0x408f; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0x7F; break; case0x02: //key-press2 kbd_buff=0x798f; LED_CS2=kbd_buff; LED_CS3=0x8F8F; LED_CS4=0xBF; break; case0x04: //key-press3 kbd_buff=0x248f; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0x3F; break; case0x20: //key-press4 kbd_buff=0x8F30; LED_CS3=kbd_buff; LED_CS2=0x8F8F; LED_CS4=0xDF; break; default: switch(j) { case0x00: //key-press5 LED_CS2=0x198f; LED_CS3=0x8f8f; LED_CS4=0x5F; break; case0x01: //key-press6 LED_CS2=0x128f; LED_CS3=0x8f8f; LED_CS4=0x9F; break; case0x02: //key-press7 LED_CS2=0x028f; LED_CS3=0x8f8f; LED_CS4=0x1F; break; case0x05: //key-press8 LED_CS2=0x788f; LED_CS3=0x8f8f; LED_CS4=0xEF; break; case0x10: //key-press9 LED_CS2=0x008f; LED_CS3=0x8f8f; LED_CS4=0x6F; break; case0x11: //key-press10 LED_CS2=0x108f; LED_CS3=0x8f8f; LED_CS4=0xAF; break; case0x12: //key-press11 LED_CS2=0x088f; LED_CS3=0x8f8f; LED_CS4=0x2F; break; case0x15: //key-press12 LED_CS2=0x038f; LED_CS3=0x8f8f; LED_CS4=0xCF; break; case0x20: //key-press13 LED_CS2=0x468f; LED_CS3=0x8f8f; LED_CS4=0x4F; break; case0x21: //key-press14 LED_CS2=0x218f; LED_CS3=0x8f8f; LED_CS4=0x8F; break; case0x22: //key-press15 LED_CS2=0x068f; LED_CS3=0x8f8f; LED_CS4=0x0F; break; case0x25: //key-press16 LED_CS2=0x0e8f; LED_CS3=0x8f8f; LED_CS4=0xF7; break; } } Delay(200);}voiddummyOs(void){ unsignedshortinttemp=0x8F8F; LED_CS2=temp; LED_CS3=temp; while(1) { inti=0; LED_CS4=0xff; for(i=7;i>=0;i--) { LED_CS4=(LED_VALUE<<i)-1; Delay(100); } } } Handler_IRQ.s中 IMPORT IRQ_Function IMPORT ICMR EXPORT IRQ_Handler AREAIRQ_Handler,CODE,READONLY ;**************************** SUB LR, LR, #0x4 STMFDSP!,{R0-R12,LR} BL IRQ_Function LDR R0,=0x41500000 LDRR1,[R0]//加入這兩句代碼 LDMFDSP!,{R0-R12,PC}^ ;******************************* END實(shí)驗(yàn)總結(jié)：linux環(huán)境PXA270端口驅(qū)動(dòng)詳解實(shí)驗(yàn)?zāi)康?、了解PXA270微處理器GPIO的功能2、熟悉PXA270微處理器GPIO驅(qū)動(dòng)程序的編寫方法3、掌握驅(qū)動(dòng)程序的加載過(guò)程和方法二、實(shí)驗(yàn)內(nèi)容1、編譯數(shù)碼管顯示模塊驅(qū)動(dòng)程序和測(cè)試程序；2、將程序下載到270板目標(biāo)平臺(tái)的內(nèi)核中3、加載驅(qū)動(dòng)模塊4、執(zhí)行測(cè)試程序5、修改應(yīng)用程序，顯示自己的末4位學(xué)號(hào)。三、實(shí)驗(yàn)步驟此實(shí)驗(yàn)需要在第八、第九和第十一個(gè)實(shí)驗(yàn)的基礎(chǔ)上才能完成，即270試驗(yàn)箱所需的狀態(tài)包括bootloader、kernel和文件系統(tǒng)。1、按ppt所給的實(shí)驗(yàn)步驟操作：之后，將Makefile文件里的前三行內(nèi)容改為：CC=/opt/xscalev1/bin/arm-linux-gccINCLUDEDIR=/XSBase270/kernel/linux-2.4.21-51Board_EDR/includeCFLAGS=-D__KERNEL__-DMODULE-Wall-O2執(zhí)行makeclean執(zhí)行make打開(kāi)minicom，重啟270，可以看到51Boardlogin:以root登陸，傳輸文件XSB_EDR_8SEG.o和XSB_EDR_8SEG_test傳輸完后創(chuàng)建設(shè)備節(jié)點(diǎn)，加載驅(qū)動(dòng)模塊：[root@51Board~]#mknod/dev/xsb_edr_8segc611[root@51Board~]#insmodXSB_EDR_8SEG.o四個(gè)數(shù)碼管按順序顯示：00001111...99991234234534562、修改應(yīng)用程序，顯示自己的末四位學(xué)號(hào)：打開(kāi)XSB_EDR_8SEG_test.c文件，因?yàn)闄C(jī)房沒(méi)裝visualc++，所以以寫字板的打開(kāi)方式打開(kāi)，并修改其內(nèi)容如下：/************************************************-------------editbyhubiying&huoyuting----------------------------------------2011.10.20------------------------*************************************************/#include<stdio.h>#include<fcntl.h>#include<linux/kernel.h>#include<unistd.h>typedefunsignedcharu8;#defineI2C_DEV "/dev/xsb_edr_8seg"#defineNUM_00x3f#defineNUM_10x06#defineNUM_20x5b#defineNUM_3~0x30#defineNUM_4~0x19#defineNUM_5~0x12#defineNUM_6~0x2#defineNUM_7~0x78#defineNUM_8~0x0#defineNUM_9~0x10//charnumber[]={NUM_0,NUM_1,NUM_2,NUM_3,NUM_4,NUM_5,NUM_6,NUM_7,NUM_8,//NUM_9};charnumber1[]={NUM_2,NUM_0,NUM_3,NUM_2};//2032charnumber2[]={NUM_2,NUM_0,NUM_3,NUM_3};//2033//*********以下兩個(gè)函數(shù)完成老師預(yù)先設(shè)定的顯示功能**********voidappear_same(intfd){chari,j,base=0;for(j=0,base=0;j<=9;j++,base++) /*設(shè)置j為從0到9故能循環(huán)9次，而每次中所用的base沒(méi)有變化，故每次輸出中四個(gè)數(shù)一致，但次與次間，base加1，故沒(méi)顯示一次，中間因調(diào)用sleep停頓一會(huì)兒后顯示的四個(gè)數(shù)比上一次大1。*/ {for(i=1;i<=6;i++) ioctl(fd,i,number+base); //調(diào)用ioctl函數(shù)，使7段數(shù)碼管輸出設(shè)定數(shù)字 sleep(1); }} //該函數(shù)完成使7段數(shù)碼管輸出四個(gè)相同的數(shù)，//并從0到9變化，中間設(shè)置了停頓voidappear_roll(intfd){chari,j,base=0;for(j=0,base=0;j<=9;j++,base++) {for(i=1;i<=6;i++) ioctl(fd,i,number+(base+i-1)%10); /*base每次加1，故每次調(diào)用ioctl時(shí)，base+i-1的余數(shù)增加1，即每次顯示的起始數(shù)加1第一次從1開(kāi)始顯示1234，第二次從2開(kāi)始顯示2345…*/ sleep(1); }} //該函數(shù)實(shí)現(xiàn)了顯示從1到6的循環(huán)滾動(dòng)輸出：1234，2345，3456i