stm32cube.txt

In order to rebuild from STM32CubeMX:

1. Start a project using an ST board

2. In Project Manager
    a) name it to the repo name of this project
    b) change the toolchain IDE to "STM32CubeIDE"

3. Change the settings as follow, noting that no other devices should be enabled
  - DISABLE USART2
  - Enable Connectivity / USART1 / Asynchronous
  -- Parameter Settings / Baud Rate / 9600
  -- Parameter Settings / Word Length / 8 Bits
  -- Parameter Settings / Parity / None
  -- NVIC Settings / USART1 Global Interrupt / Enabled
  - Enable Connectivity / I2C1 / I2C
  -- NVIC Settings / I2C1 Event Interrupt / Enabled

4. Click the pins to remamp the following, in this order.  Note that we do NOT use USART2
   because of "jumper" challenges on this Nucleo involving sharing USART2 with ST-LINK.
  - PB8 should be I2C1_SCL (SCL/D15)
  - PB9 should be I2C1_SDA (SDA/D14)
  - PA9 should be USART1_TX (D8)
  - PA10 should be USART1_RX (D2)

5. File / Generate Report, then File / Save

6. Generate Code, and then do the manual work to merge:
   inc/event.h
   src/event.c
   src/example.c
   inc/main.h
   src/main.c
   src/stm32l4xx_it.c
   src/stm32l4xx_hal_msp.c

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