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BlueSAM
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Toshiharu Ohno
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BlueSAM is Bluetooth headset project using Bluegiga WT32 and ATMEL SAM3S. I
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BlueSAM
1.
BlueSAM – SAM3Sを使ったBluetoothヘッドフォンアダプタ
sirius506sirius506@gmail.com
2.
自己紹介 2004年のトラ技付録基板を機会にマイコン工作を再開。 2005年よりARM7マイコン(LPC2000,
AT91SAM7)を使い始める。 2007年12月、ブログ「マイコン工作実験日記」を開設主にARMマイコンとW-SIMを用いて製作。 2010年11月、Make Tokyo Meeting 06にAT91SAM7A3とW-SIMを用いた「携帯できる電話機」を出品 マイコンを用いた通信機器の自作に興味がある Project BlueSAM 2011/5/10
3.
LCD表示をもったBluetoothヘッドフォンアダプタ 再生中の曲のタイトル、アーティスト名表示 再生中の曲のスペクトル表示ができる
デジタルマイクを使って通話可能 携帯電話のアンテナ感度、電池残量確認可能 BlueSAM – 機能概要 携帯、音楽プレーヤ、スマホとつなげて使える実用的Bluetoothガジェット Project BlueSAM 2011/5/10
4.
BlueSAM – 外観と表示画面例
Project BlueSAM 2011/5/10
5.
BlueSAM –構成 LCD160x128
SAM3S4AFlash 256KB SRAM 48KB WT32Bluetooth UART SPI AT25DF641SPI Flash(フォント収納) SPI I2C TLV32AIC3254 I2S Project BlueSAM 2011/5/10
6.
WT32がみんなやってくれる。Bluetoothに関する詳しい知識は不要。 マイコンからは、UARTで制御 音声はI2SでCODECへ
BlueSAMで使用しているプロファイル A2DP,sink AVRCP 1.3, controller HFP 1.5, HF unit PBAP (今後使用予定) 2011/5/10 Project BlueSAM Bluetooth機能
7.
ほとんどの処理はAIC3254がやってくれる マイコンは、AIC3254が解析した結果をI2Cで読み出してLCDに表示してやるだけ マイコン側ではFFT処理は不要。
AIC3254側では内蔵miniDSPのソフトウェアを用意してやる必要あり。 2011/5/10 Project BlueSAM スプクトル表示機能
8.
WT32について 2010年9月、自作ヘッダボードを用いての実験製作開始 12月、Bluetooth対応W-SIMジャケットを製作
電波法違反で使用中(^_^;) 現在、技適(工事設計認証)を取得したモジュールを開発委託中。 2011年7月販売開始予定予価9,800円 Project BlueSAM 2011/5/10
9.
MP3/AAC/WAVプレーヤ機能 (A2DP source,
AVRCP target) PHS電話機機能 (HFP -AG) LPC2387(ARM7, 512KB Flash, 96KB SRAM) QVGA(320x240) LCD, 32MB Flash (漢字フォント) Bluetooth対応W-SIMジャケット Project BlueSAM 2011/5/10
10.
機能充実、バグとり ヘッダボード使用により違法状態を脱する 電池動作
(LiPo電池使用予定) PBAP対応 (電話帳操作による発信) プリント基板を製作して、小型化する 2011/5/10 Project BlueSAM 今後の計画 – その1 できれば、基板頒布をめざしたい
11.
BlueSAMにW-SIMのソケットを追加する。 携帯とPHSの両面待ちうけを可能とする!! SAM3S4CまたはSAM3Uを使用するつもり。
今後の計画 –その2ドッチーモ・ジャケット Project BlueSAM 2011/5/10 ありがとうございました