ferenc-nemeth / stm32-bootloader Goto Github PK

Hi
I have done the changes as per and flash the code. I could see that application got transferred but application was not running. Application was just kled blinking.
here is both the code.

worksspace.zip

You have bug! Stack crashed! Compile and work only TrueStudio only!

Bun in "xmodem_status" method!

If I wanted to have the bootloader at the end of the flash as opposed to at the start, how would I need to configure the VECT_TAB_OFFSET and FLASH (rx) parameters?

Hi, first of all, thanks for your very nice and clean-code bootloader, without the typical 'embedded black magic'.
I tried to port your work to an STM32F0 microcontroller and I discovered an insidious problem, when using ARM Compiler v5.06 for µVision (Keil IDE).

In details here:

there is a misaligned pointer to received_data (because X_PACKET_DATA_INDEX=2), and this leads to HardFault at HAL_FLASH_Program of flash_write, when it tries to copy the value to the flash by dereferencing the pointer.

I solved the problem by receiving XMODEM header and XMODEM data+crc into two differents uint8_t arrays, one for the header and the other one for data+crc.

The modified version of xmodem_handle_packet function is available here:
https://gist.github.com/lrodorigo/3b975205962e403b50c647728d4cef6f

I hope this hint will be useful for you and for other people that are trying to adapt this bootloader to other platforms.

can you help me to check my code problem?

use you code changed.but it not run normal.
when i send xmodem by secureCRT,it stop...

Try port to STM32F107VCT, dont work.

Begin CCCCCCCCC, run xmodem transfer and stop - no CCC, no upload

How to use in STM32F207ZG ?

Hello,

I tried to use this bootloader but if the bootloader has to run the application, it ends up in the HardFault error. Can't you tell me where I should look for a mistake?