Arduino for STM32

Maybe try this guide,
https://bootlin.com/blog/building-a-lin ... lications/

darkspr1te

It could be a module in arduino being enabled (eg usb) that might be conflicting with the bootloader , that is just a assumption thought.

Are you stuck in that environment? as you can build both in platformio/vscode and have a lot more control over the build but thats my personal preference.
beyond what i've mentioned in prior post I can offer no more advice yet



darkspr1te

At this point the things I would do to diagnose this issue is add a Hardfault handler to your source code ( see bootloader for a example ) and then use SWD debug to see where the program is once the bootloader has handed over and see if any output on uart. Are you able to provide me with a test bin ...

Please also note that in the bootloader itself you must also change the bootvect address
to

darkspr1te

In order to change the boot address in rogerclarke you must adjust the define VECT_TAB_FLASH=0x08000000 , it's used in target-config.mk and a few other area of the builds, it's defined in boards.txt as discovery_f103.build.vect_flags=-DUSER_ADDR_ROM=0x08000000 and the the build system does something...

Another bootloader, https://github.com/darkspr1te/mkstft35_bl_vet_fsmc for stm32f407 boards this has support for lcd/touch/spi/sdcard/fatfs uses adafruit gfx lib so all ada fruit tech demos are usable. when used on MKS TFT 35 v1 boards frame rate is 140fps via fsmc this version has make file & platf...

The arduino stm32 core seems to allow any baud rate, https://github.com/stm32duino/Arduino_Core_STM32/blob/cffb347c52bb1813e5e15a0928bb0a1af138db24/cores/arduino/HardwareSerial.cpp have not delved any further but If you are using the can bus on a F103 remember that you cannot use USB serial which is...

I have found great success porting maple projects(from random sources) into platformio as you can throw the environment variable around a lot to suit your needs. a example is, I started writing one application in arduino stm32 but then added HAL LL code to speed it up then eventually added my own li...

currently 24k for non-lcd and 28k for lcd init routines, can be further improved by removing hardfault routines, and compiler settings, alas i'am very new to that side of platformio so i've not worked on anything there yet.
darkspr1te