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青mbedをもっと安価に バンバン使おう! mbed祭り2015夏(en129)
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青mbedをもっと安価に バンバン使おう! mbed祭り2015夏(en129)
1.
青 mbed をもっと安価に バンバン使おう! エン
/129 Twitter : @en129
2.
青 mbed 使いやすい! ・一番古参 ・機能も充実 (
LocalFileSystem,Ethernet,GPIO) ・イカ醤油ぽっぽ焼きにも使える! 便利!! ・・・気づけばなんだかんだで 4 台買ってる (1 台死亡)
3.
mbed を使った作品が増えてきた
4.
このままではマズイ・・・!
5.
救世主 LPCXpresso1769 ・バイナリ互換だか 青 mbed と 同じように使える ・ピン配置互換!
( ほぼ) ・ 1 枚 3000 円! (@ 秋月 )
6.
書き込み環境 ● mbedI/F チップがないため
D&D による 書き込みは不可能 ● 書き込み方法は3通りくらい? ① 付属 LPC-Link+LPCXpresso ② イカ醤油ポッポ焼き ③ 別売り LPC-Link2+CoFlash
7.
① 付属 LPC-Link+LPCXpresso ●
以前はプロジェクト作らずとも bin ファイルを焼けた が・・・ ● 現在プロジェクトを作らないと焼けない模様 (v7.8.0_426 にて確認) ● ローカルで全部やりたい人向け 付属 LPC-Link+LPCXpresso1769
8.
② イカ醤油ポッポ焼き ● LPCXPresso1769
相手でもできます ● すでに青 mbed 持ってて楽したい人向け 拙作の「 mbed AutoTransfer 」の ISP モードを 併用すれば楽です。。。 青 mbed(ISP 親 )+LPCXpresso1769 ※ イカ醤油ポッポ焼き:青 mbed を書き込み器として使うソリューションのこと 詳しくは「 ika_shouyu_poppoyaki」でググってください
9.
③ 別売り LPC-Link2+CoFlash ●
SWD コネクタ同士を接続するだけのお手軽 ● CoFlash でオンライン IDE のバイナリを お手軽書き込み LPC-Link2+LPCXpresso1769 LPC-Link2 買っとけばほとんどのチップ書けるように なるヨ
10.
③ 別売り LPC-Link2+CoFlash NXP
の LPC1768 を選択 CMSIS-DAP を 選択
11.
③ 別売り LPC-Link2+CoFlash bin
ファイルを選択 Program をポチれば 書き込み開始 上の「 Run After~ 」にチェック 入ってれば そのままプログラム走るよ
12.
LPCXpresso1769 を 使うときの注意点 ● 3.3V3.3V 生成する電源レギュレータが生成する電源レギュレータが ありません!ありません! (
正確には LPC-Link を切り離すとです) (LPC-Link に電源レギュレータが乗っています) ● なので 3.3V 生成用レギュレータを取り付ける 必要があります
13.
LPCXpresso1769 を 使うときの注意点 Vext と
EXT_POWX, VIO_3V3X と Vin がそれぞれ つながっている 電源系統の配線
14.
解決策 SWD コネクタにレギュレータボードをのせ、かつ SWD
コネクタも接続 できるようにした(失敗作一号 ... ) 完全新規で作るなら、別で 3.3V 作り、基板全体で共有するのがいいかも
15.
そんなわけで LPCXpresso1769 を使った作品ができました 東京メトロ銀座線行き先表示器 (モバイル)
16.
中身を取り替え Z80 と UVEEPROM (
; ´∀ ` ) 100V→12V 降圧トランス
17.
劇的ビフォーア○ター ・ 5V 2
A の USB モバイルバッテリー で動作可能 ・発車音を鳴らせる ・任意の駅の位置で LED を点灯できる
18.
参考資料など ● mbed NXP
LPC1768 Schematic https://developer.mbed.org/media/uploads/chris/mbed-005.1.pdf ● LPCXpresso LPC1769 rev B.sch http://www.embeddedartists.com/sites/default/files/docs/schematics/LPCXpressoLPC1769revB.pdf ● ika_shouyu_poppoyaki https://developer.mbed.org/users/okano/code/ika_shouyu_poppoyaki/ ● CoFlash - Free Flash Programmer for ARM Cortex-M based MCUs http://www.coocox.org/software/CoFlash.php ● LPCXpresso LPC1769 Pinout https://developer.mbed.org/users/nameless129/notebook/lpcxpresso-lpc1769-pinout/ ● オンライン IDE のバイナリを自動転送! mbed AutoTransfer https://developer.mbed.org/users/nameless129/notebook/mbed-autotransfer-tool/
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