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DelphiでArduinoのhexを自動書込&パラメータを設定するexeを作る。

Last updated at Posted at 2019-12-17

こんにちは、
やましょうです。

#今年あった切実な事例
ユーザのArudino の中身を書込みを遠隔地のユーザーに行ってもらう。
Arduino ideとか面倒なものはpcにインストールさせたくない。

さて困ったときのdekoさん頼みで
https://ht-deko.com/arduino/usbasp.html
を見る
要約すると1行でいける筈。

#実行バッチCmdの作成

Firmudate.cmd

avrdude -c arduino -P %1 -b 115200 -p m328p -U flash:w:%2

というファイルをとりあえず、作る。

#Delphiでcomポート名よりArduino Unoをみつけてcomポート番号指定して、バッチを実行すれば良い。
Apiをごにょれば良い。


procedure TForm.FormCreate(Sender: TObject);
var
ClassGuid     : TGUID;
dwRequiredSize: DWORD;
DeviceInfoSet  : HDEVINFO;
DeviceInfoData : SP_DEVINFO_DATA;
dwMemberIndex  : DWORD;
i : Integer;
Str : String;

szFriendlyName : array [0..255] of AnsiChar;
szPortName     : array [0..255] of WideChar;

check_Port: string;
dwReqSize : DWORD;
dwPropType : DWORD;
dwType: DWORD;
PortNumber : Integer;
HkeyData :  hKey;
ItemList : TStringList;

LFile   : string;
LParams : string;
begin
	DeviceInfoSet :=SetupDiGetClassDevs(@ClassGuid, Nil, 0, DIGCF_PRESENT or DIGCF_PROFILE);
	if Assigned( DeviceInfoSet  ) then
  begin
    ///// デバイス情報があったのでデバイスを列挙 //////////////
  	dwMemberIndex := 0;
		while (SetupDiEnumDeviceInfo
		       (DeviceInfoSet, dwMemberIndex, @DeviceInfoData)) do
    begin
       dwReqSize := 0;
       dwType    := REG_SZ;
			 SetupDiGetDeviceRegistryProperty(DeviceInfoSet,
                                              @DeviceInfoData,
			                                        SPDRP_FRIENDLYNAME,
			                                        @dwPropType,
			                                        @szFriendlyName,
			                                        sizeof(szFriendlyName),
			                                        @dwReqSize);

			hKeyData := SetupDiOpenDevRegKey(DeviceInfoSet,
			                            @DeviceInfoData,
			                            DICS_FLAG_GLOBAL,
			                            0, DIREG_DEV, KEY_READ);

 			if (hKeyData <> 0) then
      begin
   			dwReqSize := sizeof(szPortName);
				 RegQueryValueEx(hKeyData,
				                       'PortName',
				                       NIL,
				                       @dwType,
				                       @szPortName,
				                       @dwReqSize);
				RegCloseKey(hKeyData);
      end;

     Check_Port := 'Arduino Uno';
    if(AnsiStrLComp(szFriendlyName,'Arduino Uno',10) = 0 ) then
     begin
         LFile   := ExtractFilePath(paramstr(0))+'Firmudate.cmd';
         Str := szPortName;
         LParams :=STR+' '+書きたい.hex';
        ShellExecute(Handle, 'open', PChar(LFile), PChar(LParams), NIL, SW_SHOWNORMAL);
       exit;
     end;
       Inc(dwMemberIndex);
    end;
  end;
end;

ってことでusbでArudinoをつなげて、アイコン叩けば自動でupdateできる.exeはDelphiで簡単にできました。

#確認する。
(書きたい.hexは本当は英語ファイル名)

avrdude -c arduino -P COM5 -b 115200 -p m328p -U flash:w:書きたい.hex

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude: Device signature = 0x1e950f
avrdude: NOTE: FLASH memory has been specified, an erase cycle will be performed
         To disable this feature, specify the -D option.
avrdude: erasing chip
avrdude: reading input file "書きたい.hex"
avrdude: input file 書きたい.hex auto detected as Intel Hex
avrdude: writing flash (1292 bytes):

Writing | ################################################## | 100% 0.33s

avrdude: 1292 bytes of flash written
avrdude: verifying flash memory against 書きたい.hex:
avrdude: load data flash data from input file 書きたい.hex:
avrdude: input file 書きたい.hex auto detected as Intel Hex
avrdude: input file 書きたい.hex contains 1292 bytes
avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 0.33s

avrdude: verifying ...
avrdude: 1292 bytes of flash verified

avrdude: safemode: Fuses OK

avrdude done.  Thank you.

ってことで

以上
やましょうでした。

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