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Here's how to adapt the FreeRTOS STM32 example (LED blink + UART print + ADC read) for different STM32 chips, including pinout hints and differences you may need to watch for.

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Target Options
You can apply this example to any STM32 with:

  • FreeRTOS support
  • GPIO output
  • ADC peripheral
  • UART peripheral

Below are versions for popular STM32 chips:

STM32F103C8T6 (Blue Pill)

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Notes:

  • Use USART1 (PA9/PA10) since it's default and easier for USB-UART
  • Supply 3.3V (NOT 5V) to peripherals
  • You can use printf via HAL_UART_Transmit

STM32L432KC (Nucleo-L432KC)

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Notes:

  • Use Low Power modes if needed (FreeRTOS handles idle)
  • Cortex-M4 with FPU; optimize math in ADC task

STM32H743ZI (Nucleo-H743ZI2)

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Notes:

  • Enable DCache & ICache carefully in FreeRTOS projects
  • STM32H7 uses separate DTCM and AXI SRAM — configure stack carefully
  • More performance headroom; can use vTaskDelayUntil for precise timing

How to Adapt in STM32CubeIDE
Step-by-Step:

  1. Create a new STM32 project for your target chip
  2. Open the .ioc file and:
  • Enable GPIO (for LED)
  • Enable UART (e.g., USART1 or 2)
  • Enable ADC1 on available pin
  • Enable FreeRTOS → CMSIS v2
  1. Add 3 tasks:
  • blinkLED
  • uartTask
  • adcTask
  1. Implement code same as in the STM32F4 example, adjusting pin names if needed
  2. Compile and flash the board

Summary Table for Popular Targets

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