第六屆國(guó)二師哥同學(xué)mc9s12xs128例程

SCIMCUSCI進(jìn)行初始SCISCISCI0BD的波特率選擇位SBR[12:0]，來(lái)選擇合適的分頻系數(shù)。/**writein“Init.h”#include<hidef.h> a#include"derivave.h" /*derivave-speci?cde?nions*///voidInitBusClk(void); voidInitSci(void);/**writein“Init.c”#includeInit.h"http://------------初始化Bus void{ //PLLSEL1:Bus 0:Bus //直到LOCK=1,whenPLLisready, //PLLSEL1:Bus 0:Bus} 初始化SCI voidInitSci(void){ //SCIbaudrate=SCImoduleclock/(16*SCIBD)=Bus =//SCIBD:SBR12-SBR0,Valuefrom1to //00101100//RIE=1RDRFandORinterruptrequests// // Receiver}/**writein“SCI.h”voidSciWrite(byte);/**writein“SCI.c”#includeInit.h"#include"SCI.h" SCI數(shù)據(jù)//unsignedchar//SCI//SCI0SR1_RDRF==1SCI0DRL //SCI數(shù)據(jù)寄存器會(huì)將RDRF清除，重新置return }} 寫(xiě)SCI數(shù)據(jù) voidSciWrite(bytesci_value){//SCI0SR1_TDRE==1表明數(shù)據(jù)寄存器SCI0DRL //發(fā)送新的數(shù)據(jù)至數(shù)據(jù)寄存器} #pragmaCODE_SEGNON_BANKEDinterrupt20voidSci_Intrrupt(void){ bytetext; //SCI0DRLasm // }#pragmaCODE_SEG#include"Init.h"#includevoidmain(void)/*putyourowncodehere for(;;){//_FEED_COP();/*feedsthedog}/*loopforever}要讓ATDADPU1ATD如果上電默認(rèn)狀態(tài)即能滿足工作要求，那么只要將ADPU置1，然后通過(guò)控制寄存器ATD0A/DB口顯示。#include<hidef.h> a#include"derivave. //ADvoidDelay(inti){ intj;;} voidInitBusClk(void){ //PLLSEL1:Bus 0:Bus //LOCK=1,whenPLLisready,}

//PLLSEL1:Bus 0:BusvoidATD0CTL2= //1100 A/D 無(wú)等待模式，外部觸發(fā)（bit2=0），中斷（bit1=0）ATD0CTL3=000011001FIFOATD0CTL4= //111 8位精度，16AD 總線（1+1）*24分頻，ADATD0CTL5=//001 0 右對(duì)齊，無(wú)符號(hào)，連續(xù)轉(zhuǎn)換，單通道,起始通道//DJMDSGNSCANMULT0CCCB//DJM:1-Rightjus?ed0-Lejus//DSGN:1-Signed 0-Unsigned//SCAN:1-Con //CCCBCA:ogInputChannelSelectATD0DIEN= //數(shù)字輸入} voidmain(void)/*putyourowncodehere // //PORTB // //左對(duì)齊,右對(duì)齊時(shí)轉(zhuǎn)換結(jié)果都先在ATD0DRxH,后在 //PORTB輸出AD8LED}/*loopforever/*pleasemakesurethatyouneverleavemain}#include<hidef.h> a#include"derivave. byte //ADvoidDelay(inti){ intj;;} /***---------------AD轉(zhuǎn)換結(jié) voidAD_GetValue(word}voidmain(void)/*putyourowncodehere for(;;){ //轉(zhuǎn)換結(jié)果在B}/*loopforever/*pleasemakesurethatyouneverleavemain}#include<hidef.h> a#include"derivave.h"/*derivave-speci?cde?nions*/#include<mc9s12xs128.h>bytevoidDelay(int{intj;;} voidInitBusClk(void) 1:Bus 0:Bus //直到LOCK=1,whenPLLisready, //PLLSEL1:Bus 0:Bus}L2=0XC3;//110000 啟動(dòng)A/D，快速清除標(biāo)志位,無(wú)等待模式，外部觸發(fā)//中斷開(kāi)放//bit1:ATDSequenceCompleteInterrupt//bit0:ATDSequenceCompleteInterruptATD0CTL3=

000011001FIFOATD0CTL4 //111 8位精度，16AD 總線（1+1）*24分頻，ADATD0CTL5=

//1010 右對(duì)齊，無(wú)符號(hào)，連續(xù)轉(zhuǎn)換，單通道,起始通道ATD0DIEN //數(shù)字輸入} voidmain(void)/*putyourowncodehere*/ //B //B}} #pragmaCODE_SEGvoid 22 //AD // //AD轉(zhuǎn)換結(jié) }#pragmaCODE_SEG //0(PTP0)1Hz50%的方波，可以用發(fā)光二極管顯 #include<hidef.h> a#include"derivave.h" /*derivave-speci?cde?nions*/i){intj;;}voidInitE Enable 關(guān) POL= //CAE= leal //0101 CON01CLK= //0000 con0usesClock//SAClockAistheclocksourceforchannel//SAClockSAistheclocksourceforchannel//SAClockBistheclocksourceforchannel//SAClockBistheclocksourceforchannel//SAClockAistheclocksourceforchannel//SAClockAistheclocksourceforchannel//SAClockBistheclocksourceforchannel//SAClockBistheclocksourceforchannel//000