twatch2020v3_rs

TTGO T-Watch 2020 v3 firmware written in Rustlang

I/Os

• Interrupt RTC: IO37
• PMU/AXP202(Button-pull up resistance)
  • interrupt IO35
  • I2C_SDA IO21
  • I2C_SCL IO22
• IR IO13
• Touch Board
  • interrupt IO38
  • I2C_SDA IO23
  • I2C_SCL IO32
• PDM_MIC
  • data IO02
  • sclk IO00
• Vibration Motor: GPIO4
• LCD 1.54 /ST7789V
  • TFT_MISO NULL
  • TFT_MOSI IO19
  • TFT_SCLK IO18
  • TFT_CS IO05
  • TFT_DC IO27
  • TFT_RST NULL
  • TFT_BL IO15
• Axis Sensor/BMA423
  • interrupt IO39
  • I2C_SDA IO21
  • I2C_SCL IO22
• I2S_Class /MAX98357A(Audio)
  • I2S_BCK IO26
  • I2S_WS IO25
  • I2C_DOUT IO33

install guide

1.espup install

cargo install ldproxy
cargo install espup
espup install
source $HOME/export-esp.sh
cat $HOME/export-esp.sh >> ~/.bashrc

2.cargo-generate install (option)

cargo install cargo-generate
cargo generate esp-rs/esp-idf-template cargo

3.build (!!! ESSENTIAL !!!)

cargo +esp build

!!! "+esp" is ESSENTIAL !!!

References

https://lang-ship.com/blog/work/esp32-std-rust-1/
https://github.com/pyaillet/twatch-idf-rs
https://note.com/shirokumamake/n/na6c2897b9f82
esp-rs/esp-template#57
https://www.reddit.com/r/esp32/comments/1b5q8j4/anybody_know_which_gpio_pin_the_physical_button/