🧪 firmware laboratory

📟Project

• study

⚙️Dev Env

• Board: STM32F407VGT6 Discovery Kit
• Schematic: mb997-f407vgt6-c01_schematic.pdf
• IDE: STM32CubeIDE v1.16.0
• Firmware Package: STM32CubeF4 v1.28.1

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🌈To Do

I2C: Audio Playback

• CS43L22 Audio DAC (on board)
• Generate sound via I2S and DMA

RTOS: Task Structuring

• Refactor monolithic code into:
  • Button Input Task
  • LED Control Task
  • IMU sensor Data Task

PWM: LED Strip Control

• WS2812 RGB LED (NeoPixel)
• Drive via DMA + PWM for color effects

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✅Done

GPIO: Button & LED

• Short press: Toggle green LED ON/OFF
• Long press (2 sec+): Start blue LED blinking

UART: Communication & Command Queue

• Supports command parsing:
  • on, off, toggle, blink start, blink stop
• Commands are placed in a msg queue and processed in LED control task

SPI: MEMS Sensor

• Communicates with onboard LIS3DSH accelerometer
• Reads X/Y/Z axes via SPI1