36 lines
1.0 KiB
Markdown
36 lines
1.0 KiB
Markdown
# The minimal port
|
|
|
|
This port is intended to be a minimal MicroPython port that actually runs.
|
|
It can run under Linux (or similar) and on any STM32F4xx MCU (eg the pyboard).
|
|
|
|
## Building and running Linux version
|
|
|
|
By default the port will be built for the host machine:
|
|
|
|
$ make
|
|
|
|
To run a small test script do:
|
|
|
|
$ make run
|
|
|
|
## Building for an STM32 MCU
|
|
|
|
The Makefile has the ability to build for a Cortex-M CPU, and by default
|
|
includes some start-up code for an STM32F4xx MCU and also enables a UART
|
|
for communication. To build:
|
|
|
|
$ make CROSS=1
|
|
|
|
If you previously built the Linux version, you will need to first run
|
|
`make clean` to get rid of incompatible object files.
|
|
|
|
Building will produce the build/firmware.dfu file which can be programmed
|
|
to an MCU using:
|
|
|
|
$ make CROSS=1 deploy
|
|
|
|
This version of the build will work out-of-the-box on a pyboard (and
|
|
anything similar), and will give you a MicroPython REPL on UART1 at 9600
|
|
baud. Pin PA13 will also be driven high, and this turns on the red LED on
|
|
the pyboard.
|