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Gordon Madden
Associate III
since ‎2018-07-19
‎2023-06-14

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  • 33 Posts
  • 1 Solutions
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User Activity

stm32f417 Bootloader works with program jump, but not with boot pins

2018-05-15
Posted on May 15, 2018 at 19:01 I have a firmware updater for stm32f417, written in C#, that does a software jump to the bootloader and uses the USART protocol (AN3155) to erase and install the firmware to flash. The newest version of our boar...

USART bootloader, make connecting to device more dependable

2018-05-09
Posted on May 09, 2018 at 18:27I have written a firmware updater for the STM32F417, using the USART bootloader as described in AN3155. The updater/installer app is written in C# as a Windows app. It works on my dev computer (Windows 10), but additio...

Receiving duplicate bytes in DMA output

2017-10-31
Posted on October 31, 2017 at 21:32 My project involves sending packets of bytes out of the serial port using DMA. I am using an STM32F417 with DMA2 using USART3. DMA transmit buffer is set to The packets that stream the current head position (liv...

Bootloader write function hanging during firmware upgrade.

2017-07-28
Posted on July 29, 2017 at 01:32I have a firmware upgrade app in C# that updates the firmware on a stm32f417IGT over USART.It works on small upgrades �? original test files were about 13K �? but when I started testing the full firmware (200K), t...

USART bootloader, no ACK from GO command

2017-07-25
Posted on July 25, 2017 at 21:03Hello!I have used the bootloader in the stm32f417 for firmware updating, and the GO command always worked.Now my program is hanging while waiting for an ACK from the bootloader. My C# code for the host:Sending GO comm...
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