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Resolved! Documentation Issue - RM0410 Rev 3

Posted on February 25, 2018 at 07:35The currently posted document does not address the Z-step part, see pg 1899This document is from Nov 2017, the A and Z steps are discussed in the Oct 2016 errata, along with a reference to RM0410 for details.http:...

STM32F071, USART1, TXE/TC bits in ISR register not set...

Posted on May 09, 2018 at 14:49Try to send 16 bytes via USART1.ISR has reset value (0xnnnn n0C0) before sending first byte. Write bytes into TDR like this: USART1->TDR = *bufptr++;ISR bits TXE and TC get cleared as expected (0xnnnn n000) after first...

JuM by Senior
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sleep on exit (LL_LPM_EnableSleepOnExit)

Posted on May 15, 2018 at 23:32Is there a good example or apnote on the proper use of sleep on exit from an IRQ?Do I need the Data Synchronization Barrier instruction? (to ensure sleep)here is some pseudo code, this does appear to work fine.  I can ...

Restart HAL_UART_Receive_IT

Posted on May 09, 2018 at 14:37Hi!in my program i am using the 'HAL_UART_Receive_IT' function, it is first called when i initialize my app.There comes a moment during the run of the program when the pointer to buffer given to the function expires an...

yuri CH by Senior
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F401 Enabling ROP?

Posted on May 14, 2018 at 20:27Hi all,I'm trying to get ROP enabled by my bootloader.This function is run first up by main().I'm finding that it get stuck in a loop, as ROP never seems to become enabled (always reads back as being set at level 0).An...

mwp by Senior
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  • 3 replies
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STM32 Leave DFU mode command

Posted on January 23, 2017 at 21:32Hi, I have a question regarding STM32L Leave DFU mode command. I can enter in to built in bootloader from startup code. I am initialising some GPIO pins in startup (assembly code) and they maintain the status after...