About malcolm23

malcolm23 · 2019-11-06

I have a project running on an STM32H743IIK6. The program periodically tries to write to the last page of FLASH and the HAL fails fairly often. The failure is in the start of HAL_FLASHEx_Erase where it calls FLASH_WaitForLastOperation before beginnin...

malcolm23 · 2018-11-05

I have an IAR example STM32F746 project which brings up an LwIP stack on top of FreeRTOS; however I'm trying to turn it into a library and link into around 10-15 applications. This is breaking badly because linking via libraries doesn't appear to obe...

malcolm23 · 2015-08-04

Posted on August 04, 2015 at 22:58The STM32F7 HAL Driver (v1.1.0) has a bug in the __HAL_UART_CLEAR_IT macro:Writing a bit to the ICR register clears the corresponding interrupt; however the __HAL_UART_CLEAR_IT writes the ones-complement:&sharpdefin...

malcolm23 · 2015-06-25

Posted on June 26, 2015 at 00:17Greetings all,I'm using the 1.6.0 release of the STM32F4xx_HAL_Driver, and I believe there's a problem with doing 1-byte I2C reads using the HAL_I2C_Master_Receive_IT function.Doing reads of more than one byte works f...

malcolm23 · 2015-04-30

Posted on April 30, 2015 at 20:52Greetings,I'm trying to work out how to detect when a can transmit completes on an STM32F429. Theoretically I could poll using CAN_TransmitStatus to wait for the mailbox to transition to CAN_TxStatus_Ok (or CAN_TxSta...

malcolm23 · 2023-10-31

Hi Pavel,According to the Federal Government and the NTIA infrastructure they've put in place, SBOMs are a supply-chain responsibility for every party involved. There seem to be three approaches:1. ST could indeed decide its chips are indeed not for ...

malcolm23 · 2023-07-17

SBOMs are becoming critically important across many industries. By Sept 14th 2023 all vendors (the entire supply chain from the application down through all libraries) must produce SBOMs for any software considered critical infrastructure by the US g...

malcolm23 · 2015-07-10

Posted on July 10, 2015 at 14:14Hi Mayla,The MSL can be cleared by a stop condition on the bus, or a loss of arbitration (ARLO=1), or by hardware when PE=0. This is described in the description of the MSL bit of I2C_SR2 in the reference manual (sect...

malcolm23 · 2014-08-28

Posted on August 28, 2014 at 21:18Excellent, I'll ask our vendor to keep an eye open for them and get us some samples ASAP. Many thanks!- Malcolm

malcolm23 · 2014-07-15

Posted on July 15, 2014 at 21:22It's definitely something to do with the pins. I have a test program below to demonstrate the issue. It does an I2C_GenerateSTART and test if any interrupts fire as a response. The results are as follows: No Pins: ...

User statistics

User Activity

Spurious RDPERR and RDSERR when all protection and security settings are off

Putting STM32F7xx_HAL_Driver and FreeRTOS in Library does not work

STM32F7 UART HAL Driver Bug

HAL bug with 1-byte I2C reads

Detecting CAN transmit complete via interrupt

Re: Does ST provide a software bill of materials (SBOM) for the code generated and included when STM

Re: Does ST provide a software bill of materials (SBOM) for the code generated and included when STM

Re: HAL bug with 1-byte I2C reads

Re: STM32F429 Silicon Revision 3 ETA?

Re: STM32F429 + I2C1 on PB7(SDA) and PB8(SCL)