{"id":10647,"date":"2020-05-09T10:49:45","date_gmt":"2020-05-09T01:49:45","guid":{"rendered":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=10647"},"modified":"2020-05-09T10:49:45","modified_gmt":"2020-05-09T01:49:45","slug":"qpm-01%e3%81%aefirmware-update","status":"publish","type":"post","link":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=10647","title":{"rendered":"QPM-01\u306efirmware update"},"content":{"rendered":"\n

作者のJL1VNQさんから，どこかのSNSで😓，通過型電力計QPM-01のfirmwareのupdateの案内がありました．firmwareは，このサイトからダウンロード<\/a>できます．<\/p>\n\n\n\n

このキットは，VN-4002のようなICSP™でなくて，チップを外してプログラミングする必要があり，なんかめんどくさくてしばらく放置していました．<\/p>\n\n\n\n

しかし，それではいかんと，一念発起して，どこかにあった，チッププログラミング用のICクリップと，ソケットを探し出して，PicKit3につないでMPLab IPEでプログラミングを試みますが，ソケットをひっくり返したり，ICをひっくり返したり，供給電圧を3.3Vや5.0Vに変えてやってみますが，プログラミングどころか，消去もできません．<\/p>\n\n\n\n

これは，配線が違っているに違いないと，ようやく観念して，ネットでPIC12F1840とPicKit3の接続例を探してみたら，やはり全然配線が違っていました．<\/p>\n\n\n\n

そもそも，見つけ出してきたソケットには，「16F88専用」なんてテプラが貼ってあります1<\/a><\/sup>16F88用として作った経緯はさっぱり覚えていません．<\/span>ので，冷静に考えれば，12F1840でそのまま使える可能性は低いんですが，めんどくさいので，きっとピンコンパチに違いないと考えることにしていました．<\/p>\n\n\n\n

しょうがないので，ソケットの配線を直してプログラミングしたら，一発でできました．電圧を変えたり，ICを上下ひっくり返したりしましたが，PICは丈夫にできているようで，全く問題ありませんでした😓<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n
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