All Questions
8
questions
0
votes
0
answers
35
views
STM32 Over-The-Air update with SIM7682E LTE modem
I have a need to add an Over-The-Air firmware update feature to my project. It is based on STM32F103CBT6 and SIMCOM SIM7682E LTE modem.
The main idea is to connect to the FTP server or get the file ...
2
votes
1
answer
696
views
STM32 USB DFU circuit
I would like to program a custom board based on STM32F446RET MCU by using the default STM32 USB DFU bootloader. I did the following connections:
board VCC to USB cable and VBUS_FS
board GND to USB ...
- 133
2
votes
1
answer
5k
views
STM32 ST-Link Unitily does not have the latest firmware
I am trying to update my ST-Link V2 to the latest firmware, since STM32CubeIDE wont upload code if I don't.
STM32CubeIDE wants V2J38S7:
But it always fails to update:
"Upgrade successful" ...
- 3,404
3
votes
0
answers
3k
views
ST-Link V2 - Firmware Update Error
I purchased a few ST-LINK V2 debuggers / programmers and they were all clones as expected but I was only able to update a single one past V2.J17.S4. For the rest, I just get the error attached. ...
- 119
-1
votes
1
answer
3k
views
How to update firmware over DFU on read protected STM32 microcontroller with command line tool?
STM32 microcontrollers have bootloader in system memory which is write-protected. This can be booted with right sequence, that I don't cover here.
ST provide more tools to upgrade firmware from ...
- 313
0
votes
2
answers
998
views
IAP bootloader not jumping to the application address
I am working on IAP in STM32F4. I received .bin file using uart and flash it in 0x08004000 address successfully and disable irq , set msp , set vector, deinit hal , reset the systick registers but the ...
- 11
4
votes
1
answer
3k
views
Is there a preferred encryption scheme for encrypting firmware builds on external flash?
I have a product that is going to be deployed in large numbers, and I want to maximize the trouble that someone is going to go through to reverse engineer it (a high level of security). It is an ...
- 347
1
vote
1
answer
932
views
Does dual-bank read-while-write work properly in STM32L071?
I'm trying to reprogram the NVM (flash bank 2) while running code from flash bank 1 in the STM32L071CB microcontroller.
As AN4808 and AN4767 states, "the memory interface is capable of reading both ...
- 11