3、onvenient,touchscreenmobilephoneismoreandmorepopular.Touchscreenmobilephoneswillbethemostmainstreamconfigurationin the future.The whole system is mainly composed by STC12C5A60S2 microcontroller,Sim300module,serialtouchscreen,andsomeperipheraldevices.Therealizationmethodofthemainfunctionis:firstlyu
4、seatouchscreensupportingPCconfigurationsoftwareandPSsoftware,settouchscreeniconandnumerickeypadandotherdisplayinterfaceinadvance.Thendownloadtotheinternalmemoryofthetouchscreen,letinternal touch screen process;If the corresponding touch button is pressed,sent the data of processed by the touch scr
5、een to the microcontroller via a serial microcontroller,Then the microcontroller executes the corresponding arithmetic processing and judgment. Then thecontrollersendtheappropriateATcommandtoSIM300modulethroughtheserial2.AndDrivetheSIM300modulesendingmobilephonesignal.Thesystemalsoaddsa1302clockch