题目：多功能数控直流电源队员：队员：队员：指导教师：完成时间：2015/7/26摘要：利用STM32单片机系统，对键盘或者触摸屏输入的数据进行读取。根据模式的设定，可以利用内部的DAC以及外部电路实现数控直流电源输出，分为稳压源、稳流源两种。同时也可以实现模式可调的信号发生器，可以在方波、三角波、锯齿波以及正弦波之间进行切换。关键词：STM32，数控，直流电源，信号发生器Abstract：UsingSTM32MCU,readtheinputdatafromkeyboardortouchscreen.Accordingtothemodesetnow,theDACinsidecooperateswithoutsidecircuitscanoutputDCpowersupply,whichcanbesettotwomodes,nameasvoltagesourceandcurrentsource.Thesametime,itcanalsoworkasansignalgenerator,whichcanbechangedbetweensquarewave,trianglewave,sawtoothwaveandsinewave.Keyword：STM32,numericalcontrol,DCpowersupply,signalgenerator1/27目录1.设计任务与要求····························································31.1设计任务·····························································31.2设计要求·····························································32.方案论证··································································32.1总体设计·····························································32.2关键问题·····························································43.单元电路设计······························································93.1总体电路图···························································93.2参数计算····························································104.软件设计·································································124.1主程序······························································124.2关键子程序··························································135.系统测试·································································195.1测试条件····························································195.2测试方法与步骤······················································195.3测试数据····························································215.4结果分析····························································236.结论·····································································246.1综合评价····························································246....
