M5StickC

Post date: 2019/08/27

やっと M5StickC を購入しました

Spec (https://github.com/m5stack/M5StickC, https://docs.m5stack.com/#/ja/core/m5stickc )
- EPS32-pico(デュアルコア Xtensa 32bit LX6 マイクロプロセッサ,4MB SPI flash memory)
- 0.96 inch TFT color screen (80 * 160 resolution), Red LED, button, Microphone, IR transmitter, 6-axis IMU (MPU6886) and 80 mAH battery
Default
1. USB 接続
Arduino (1.8.9 ubuntu)
- Setup
  - 書き込み： USBasp
1. ReadChipsetData (https://www.mgo-tec.com/blog-entry-chip-info-esp-wroom-32-esp32.html, https://ht-deko.com/arduino/esp-wroom-32.html )
  - ESP32 Chip ID = 3453
  - Chip Revision 1
  - Number of Core: 2
  - CPU Frequency: 240 MHz
  - Flash Chip Size = 4194304 byte
  - Flash Frequency = 80000000 Hz
  - ESP-IDF version = v3.2-18-g977854975
  - Free Heap Size = 291032
  - System Free Heap Size = 291032
  - Minimum Free Heap Size = 284420
2. LCD (https://github.com/m5stack/m5-docs/blob/master/docs/en/api/lcd_m5stickc.md )
  1. M5.Lcd.*() でアクセス可能
3. LED
  1. GPIO 10 : LOW=ON, HIGH=OFF
4. Microphone
  1. Basic/Microphone が動かない（macsbug さんの Audio Spectrum Display は OK）
5. MPU6886
  1. M5.MPU6886.*() でアクセス可能
  2. Game/Dice は MPU6886用への書き直しが必要 (M5.MPU6886.aRes の値は？)

Ref.

Google Sites

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