2013青年教師暑期培訓(xùn)cortexm

LeadLibraryUser’sTableofGeneral GeneralPublic 電源部分使用說(shuō) Clock Clock使用說(shuō) GPIO 通用I/O模 LED網(wǎng)口燈使用說(shuō) 5-DirectionKey五向鍵使用說(shuō) Timer SysTick系統(tǒng)定時(shí)器使用說(shuō) Timer通用定時(shí)器使用說(shuō) UART模塊使用說(shuō) I2CModule(Inter－Integrated I2C-LED模塊使用說(shuō) Tube米字?jǐn)?shù)碼管模塊使用說(shuō) Module(PulseWidth Buzzer蜂鳴器使用說(shuō) ADC Wheel指輪傳感器使用說(shuō) Temp溫度傳感器使用說(shuō) LCD lcdContext公共結(jié)構(gòu) GeneralLeadLibrarySJTU-ViscodecS700實(shí)驗(yàn)板（TI 和 larisGraphicLibrary軟件包。使用時(shí)不依賴(lài)外部庫(kù)獨(dú)立編譯LeadLibrary設(shè)計(jì)目的為實(shí)驗(yàn)教學(xué)，對(duì)嵌入式系統(tǒng)的初學(xué)者來(lái)說(shuō)，閱讀源碼 GeneralPublicLeadLibrary-BoardsupportdevelotformforTIS larisMCU.Copyright(C)2012-2013WangYiqing.Thisprogramissoftware:youcanredistributeitand/ormodifyitunderthetermsoftheGNUGeneralPublicLicenseaspublishedbytheSoftwareFoundation,eitherversion3oftheLicense,or(atyouroption)anylaterversion.Thisprogramisdistributedinthehopethatitwillbeuseful,butWITHOUTANYWARRANTY;withouteventheimpliedwarrantyofMERCHANTABILITYorFITNESSFORAPARTICULARPURPOSE.SeetheGNUGeneralPublicLicenseformoredetails.YoushouldhavereceivedacopyoftheGNUGeneralPublicLicensealongwiththisprogram.Ifnot,see<>. 公共頭文件LeadLib.h是使用LeadLibrary需要的唯一頭文件，位/include#ifndef#ifndef #define #include<stdio.h>#include<math.h>//CStandardIO//CBool//CMath#include"ClockModule.h"#include"GpioModule.h"#include"UartModule.h"#include"I2cModule.h"#include" #include"AdcModule.h"#include"LcdModule.h"為使硬件正常工作，有以意事項(xiàng)。調(diào)試接口ICDIReset：連接跳帽JP40；M3.3V供電 連接跳帽P(pán)3.3V供電 連接跳帽板級(jí)5V供電 Clock ClockModuleAPI，頭文件為ClockModule.h位于/include文件夾下。#ifndef#ifndef #definevoidvoidClockSet50M(void);void//Setsystemclockfrequencyto//Setsystemclockfrequencyto//SetsystemclockfrequencytovoidDelayMilliSec(unsignedinttime); //DelaynmillisecondsvoidDelaySec(unsignedinttime); //DelaynsecondsClockvoidvoid時(shí)鐘設(shè)置為50MHz。void時(shí)鐘設(shè)置為80MHz（LM3S系列支持的最高主頻。voidDelayMilliSec(unisignedintvoidDelaySec(unsignedintGPIO GPIOModule通用I/O模塊提供了對(duì)板上通用I/O接口元件直接操作的API，頭文件為GpioModule.h位于/include文件夾下。GPIO模塊下主要有兩個(gè)子模塊：LED5-DKey#ifndef#ifndefGPIOMODULE_H_#defineGPIOMODULE_H_//EnumfornetLEDtypedefenum{//Enumfor5-Direction//Onlyonekeycanbetriggeredatatime.typedefenum{//NetvoidGpioLedInit(LEDvoidGpioLedOn(LEDled);voidGpioLedOff(LED//InittheGPIO//TurnontheGPIO//TurnofftheGPIOvoidGpioLedToggle(LEDled);//ToggletheGPIO//5-DvoidGpioKeyInit(void);//Initthe5-D//Readthetriggerstatusof5-DLEDLEDYellow口燈：連接跳帽JP2，斷開(kāi)跳帽JP39。LEDGreen綠色網(wǎng)口燈：連接跳帽JP3JP35。 ororvoidGpioLedInit(LEDvoidGpioLedOn(LEDvoidGpioLedOff(LED5-DirectionKey硬件：連接跳帽JP41(PressKey) 連接跳帽JP42(Up 斷開(kāi)跳帽連接跳帽JP43(RightKey) 連接跳帽JP44(DownKey) 斷開(kāi)跳帽JP30；連接跳帽JP45(Left voidKEY Timer TimerModule定時(shí)器模塊提供了對(duì)SysTick定時(shí)器和通用定時(shí)器Timer進(jìn)行操作的API，頭文件為T(mén)imerModule.h位于/include文件夾下。Timer模塊下主要有兩個(gè)子模塊：SysTickTimer通用定#ifndef#ifndefTIMERMODULE_H_#defineTIMERMODULE_H_//Enumfortimertypedefenum{//InitSysTickwithperiod(unit:millisecond)voidSysTickStart(void); //SysTickstartcountingvoid //SysTickstopboolSysTickOverflow(void); //CheckwhetherSysTickisoverflowvoidSysTickUserFunc(void);//**FunctioninterfaceforusertoredevelopvoidTimerInit(TIMER//InitvoidTimerPeriodSet(TIMERtimer,unsignedint//Settimerperiod(unit:millisecond)voidTimerStart(TIMERtimer); //Timerstartcounting //TimerstopboolTimerOverflow(TIMERtimer);//CheckwhetherTimeris//**Functioninterfaceforusertoredevelop**voidTimer0UserFunc(void);voidSysTick函數(shù)SysTickUserFunc不是用戶(hù)可調(diào)用的執(zhí)行函數(shù)，提供的是一個(gè)載于voidSysTickInit(unsignedint計(jì)

PeriodMax(Second)=224/voidvoidboolbooltrue；否則返回falsevoidTimerTimer0UserFuncTimer1UserFunc不是用戶(hù)可調(diào)用的執(zhí)行函數(shù)，提32voidTimerPeriodSet(TIMERtimer,unsignedintperiod為通用定時(shí)器的定時(shí)器初值，物理單位為毫秒。計(jì)

PeriodMax(Second)=232/voidTimerStart(TIMERbooltrue；否則返回falsevoidvoidUART #ifndef#ifndefUARTMODULE_H_#defineUARTMODULE_H_void //ConfigureUART0pinvoid //InitUART0withdefaultvoidUart0CharSendBlock(constchar//UART0sendcharwithblockingmodevoidUart0CharRecvBlock(char*data);//UART0receivecharwithblockingmodevoidUart0MsgSendBlock(constchar*msg);//UART0sendstringwithblockingmodeunsignedcharUart0MsgRecvBlock(char*msg);//UART0receivestringwithblockingboolUart0CharSend(constchar*data); //UART0sendcharboolUart0CharRecv(char*data); //UART0recievecharunsignedcharUart0MsgSend(constchar*msg); //UART0sendstringUART模塊SendSendorReceivevoidvoid位0位。voidUart0CharSendBlock(constchar*msgAPIUART0發(fā)送字符串。函數(shù)直到字符串中的APIUART0接收字符串。函數(shù)試圖從硬件接收緩沖區(qū)字符，若緩沖區(qū)中字符則以阻塞方式等待。只有當(dāng)?shù)教厥庾址?\r，\n和\0)后函數(shù)才返回。APIUART0發(fā)送一個(gè)字符。函數(shù)試圖將字booltruefalseAPIUART0接收一個(gè)字符。函數(shù)試圖從硬件接收緩沖區(qū)一個(gè)字符并返回，若此時(shí)硬件接收緩沖區(qū)中數(shù)據(jù)，該函數(shù)仍booltruefalseunsignedcharUart0MsgSend(constchar*msgAPIUART0發(fā)送字符串。函數(shù)試圖將字符I2CModule(Inter－Integrated的API，頭文件為I2cModule.h位于/include文件夾下。 void //ConfigureI2C0pinvoid //InitI2C0mastervoid //InitexternalI2CvoidI2c0LedSet(chardata); //SetLEDsstatusonboardchar //GetLEDsstatusonvoidI2c0TubeSelSet(chardata); //Settubeselectedstatuschar //GettubeselectedvoidI2c0TubeSegLowSet(chardata); //Settubesegmenthighbitstatuschar //GettubesegmenthighbitvoidI2c0TubeSegHighSet(chardata);//SettubesegmentlowbitstatuscharI2c0TubeSegHighGet(void); //GettubesegmentlowbitstatusvoidI2c0TubeStringSet(char*string); //SettubestringvoidI2c0TubeDotSet(booldotUp,booldotDown);//SettubedotvoidI2c0TubeRefresh(void); //RefreshthetubevoidvoidvoidI2C-LED模塊orvoidI2c0LedSet(chardata中的Bit1～Bit77LED1點(diǎn)亮對(duì)應(yīng)LED；邏輯0熄滅對(duì)應(yīng)LED。I2C0總線上的擴(kuò)展LEDcharcharBit1～Bit77LED的狀態(tài)。1LED0LED處于熄滅狀態(tài)。Tube米字?jǐn)?shù)碼管模塊orororororvoidI2c0TubeSelSet(charchar位選信號(hào)，對(duì)應(yīng)米字?jǐn)?shù)碼管Tube的位選信號(hào)Selected。對(duì)I2C0總線上的米字?jǐn)?shù)碼管Tube的段選低位信號(hào)SegmentLowcharI2C0TubeSegmentLow。對(duì)I2C0總線上的米字?jǐn)?shù)碼管Tube的段選信號(hào)SegmentHigh進(jìn)行操作charI2C0總線上的米字?jǐn)?shù)碼管Tube的段選信號(hào)SegmentHigh。Every4輪詢(xún)模式普通模式的API，并實(shí)現(xiàn)米字?jǐn)?shù)碼管的編碼和輪詢(xún)操作。其中I2c0TubeRefresh必須被定時(shí)調(diào)用（調(diào)用周期約為4毫秒voidI2c0TubeStringSet(charstring為要顯示在米字?jǐn)?shù)碼管上的字符串（4位還需定時(shí)調(diào)用I2c0TubeRefresh函數(shù)。voidI2cTubeDotSet(booldotUp,bool置為true則點(diǎn)亮該點(diǎn)，若設(shè)置為false則熄滅該點(diǎn)。還需定時(shí)調(diào)用I2c0TubeRefresh函數(shù)。voidModule(PulseWidth模塊提供了控制占空比/頻率可調(diào)制脈沖波的常用API，頭文件為Module.h位于/include文件夾下。#ifndef#ifndef#define//ConfigureUART0pin//modulegeneralbuzzer////BuzzerFreqSet(unsignedshortfreq);//SetfrequencyofBuzzerDutySet(unsignedcharduty);//Setduty-cycleof Buzzer 硬件：連接跳帽JP2（將波輸出至 或連接跳帽JP39（將 波輸出至Buzzer蜂鳴器。 void voidvoid voidBuzzerFreqSet(unsignedshortfreq為Buzzer模塊 設(shè)置Buzzer模塊 BuzzerDutySet(unsignedcharduty為Buzzer模塊 設(shè)置Buzzer模塊波的占空比。ADC ADCModule模數(shù)轉(zhuǎn)換器模塊提供了對(duì)板上模擬信號(hào)器件進(jìn)行信號(hào)ADC模塊下有兩個(gè)子模塊：WheelTemp溫度傳感器模#ifndef#ifndefADCMODULE_H_#definevoid//ADC0modulegeneralvoidAdc0WheelInit(void);void//ConfigureADC0wheelpin//InitADC0wheelsample//Startsamplingthewheel//Getwheelvoltage(binarycode)boolAdc0WheelVoltageGet(unsignedshort*resultPtr);//Getwheelvoltage(physicalvaluewithvoidAdc0TempInit(void);void//ConfigureADC0temppin//InitADC0tempsample//Startsamplingthe//Gettemperature(binarycode)boolAdc0TempFloatValueGet(float*resultPtr);//Gettemperature(physicalvaluewithDegreesvoid（3V注：SPS為每秒AD采點(diǎn)數(shù)（采樣率。Wheel針對(duì)ADC模塊下的Wheel指輪傳感器有以意事項(xiàng)硬件：連接跳帽JP20(Vref) 連接跳帽JP48(Wheel) 斷開(kāi)跳帽JP45。ororvoid配置Wheelvoidvoid觸發(fā)WheelresultPtr指向采樣結(jié)果的緩沖區(qū)試圖Whee