lab-Ex1飞思卡尔简介-ABC

单片机的认识与实践LabExercise1Lecture1Page

2LabExercisesRoomC406Eachstudentworkindependently!4exercisesand1tinyprojectLED+ButtonSCIcommunicationIRQInterrupt&Timer&CounterNumericDisplayandKeypadProjectLecture1Page

3Lab1PreparationCprogramminglanguage!!!!!

lecture4-peripheral-1-dio9S12XS128datasheetAppendixE：DetailedRegisterAddressMapChapter2：PortIntegrationModule(S12XSPIMV1)Lecture1Page

4LabExercises1Task1:Togglethe8LEDsonthekernelboardHints: The8LEDsarecontrolledbyIOPortBCertaindelaymustbeinsertedifyouwanttoseetheLEDstogglewithyoureyesLecture1Page

5ExamplecodeVoiddelay(void){ unsignedinti,j;for(i=0;i<30;i++)for(j=0;j<10000;)j++;}Main(void){PORTB=0x00;DDRB|=0xFF;for(;;){delay();PORTB=~PORTB;}}Lecture1Page

6单片机的认识与实践LabExercises1Task2:Circular1ofthe8LEDsonthefrontboardPORTB=0xFEPORB<<=1?

a=PORTB>>7;b=PORTB<<1;PORTB=a|b;Lecture1Page

7LabExercises1Task3:Circularthe2LEDsonthefrontboardLecture1Page

8voidmain(void){ unsignedcharbLed; DDRP_DDRP1=1; DDRT_DDRT2=1;

bLed=0;Examplecodefor(;;){delay();bLed=~bLed;

if(bLed){PTP_PTP1=1;PTT_PTT2=0;}else{PTP_PTP1=0;PTT_PTT2=1;}}}PTP_PTP1=1;PTT_PTT2=0;for(;;){delay();PTP_PTP1=~PTP_PTP1;PTT_PTT2=~PTT_PTT2;}}Lecture1Page

9LabExercises1Task4:Setthe2LEDonthefrontboardaccordingto2buttonsonthefrontboardLecture1Page

10voidmain(void){ DDRP_DDRP1=1;DDRP_DDRP2=0;DDRT_DDRT1=0; DDRT_DDRT2=1;PTP_PTP1=1;PTT_PTT2=1;for(;;){PTP_PTP1=PTP_PTP2;PTT_PTT2=PTT_PTT1;}}ExamplecodeLecture1Page

11LabExercises1Task5:Whentheanybuttonpressed,changethemodeofLEDflashing(bMode)Lecture1Page

12voidmain(void){/*putyourowncodehere*/

DDRP_DDRP1=1;DDRT_DDRT2=1;DDRM=0;PTP_PTP1=1;PTT_PTT2=1;bMode=0;for(;;){

delay();

Examplecodeif(PTM_PTM0==1){

bMode=~bMode;if(bMode){PTP_PTP1=0;PTT_PTT2=0;}