把arduino开发板刷成avr与arduino共用开发板

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1、把Arduino开发板刷成AVR与Arduino共用开发板附上修改好的bootloader代码Aprojectwe’vebeenrecentlyworkingonrequiresacustomArduinobootloader. Workinginanincrementalfashion,thefirststepisgettingthestockArduinobootloadertocompilewiththelatestWinAVRlibrariesandcurrentArduino1.0IDE. Whilethiswasn’tterriblyd

2、ifficult,itdidrequireabitofsearching,debugging,testingandthenabitmoredebuggingbeforeitworkedasintended. Presentedhereforyourconvenience,arethefruitsofthislabor,outlinedarethefollowingsteps:1.DownloadthelatestArduinoIDE–1.02.Modifythebootloadersource3.Modifythemakefile4.Compile

3、incommandpromptStep1:DownloadthelatestArduinoIDE–1.0ThelatestArduinoIDE,version1.0canbedownloadeddirectlyhere:http://arduino.googlecode.com/files/arduino-1.0-windows.zipThecompletepackageisan86MBzipthatunpackstoabout240MB.Youcanalsolocatethespecificfilesinthe GithubArduinorepo

4、sitory.Onceyou’vedownloadedandunzippedit,navigatetothebootloadersfolderatthefollowingpathinWindows:  arduino-1.0hardwarearduinobootloaders. OntheMac,thepathis/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/bootloaders/. Forpurposesoftesting,I’vemadeanewfolde

5、rherecalled: atmega168test. Andpopulatedthenewtestfolderwiththetwofiles ATmegaBOOT_168.c and Makefile fromthefolder atmega.ForprogrammingunderWindows,IprefertouseProgrammersNotepad2,anopensourceeditorwithsyntaxhighlightingformanycommonlanguages(itmakesthewordsprettycolors). Yo

6、ucandownloadithere: http://www.pnotepad.org/. WindowsNotepadoranyothertexteditorwillalsosuffice.Step2:ModifythebootloadersourceThefirst(andonly)compilererrorwewilltackleisduetotheEEWEbitdefinitionmissinginversions1.6.7andnewerofthefile/avr/eeprom.h. Theactualcompilererrorreads

7、as:ATmegaBOOT_168.c:Infunction‘main':ATmegaBOOT_168.c:596:11:error:‘EEWE’undeclared(firstuseinthisfunction)ATmegaBOOT_168.c:596:11:note:eachundeclaredidentifierisreportedonlyonceforeachfunctionitappearsinmake:***[ATmegaBOOT_168.o]Error1This EEWEissue(152) hasbeenaroundforawhil

8、eandwasoriginallyreportedin2009. Withinthesourcefile ATmegaBO