STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Cube F7 1.7.0 CAN library bug?

Posted on May 02, 2017 at 16:10 Hello, today I updated my Cube libraries to the last release and I found that in stm32f7xx_hal_can.c the HAL_UNLOCK is missing, in HAL_CAN_Receive_IT(). HAL_StatusTypeDef HAL_CAN_Receive_IT(CAN_HandleTypeDef*...

AndreaC by Associate III
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STM32F722ZE VCP breaks serial windows?

Posted on July 10, 2018 at 21:18Hi,I am using the USB VCP to connect to a PC serial window. I have connected using PuTTY, correctly received messages from the Nucleo, and correctly sent messages to the Nucleo from the window and I could see those in...

PID sublicencing

Posted on January 22, 2018 at 19:02Hi. Does ST sublicence PID numbers? I use STM32F303Rx micros in my products. Who should I contact. I have tried ST UK office and several distributors, but unfortunately I was not lucky enough to get in touch with a...

pj by Associate II
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Resolved! STM32 SPI data is sent the reverse way?

Posted on July 09, 2018 at 21:26 I've been experimenting with writing to an external https://www.microchip.com/wwwproducts/en/93LC46B using SPI and I've had mixed success. The data does get shifted out but in an opposite manner. The EEPROM req...

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HAL_HCD_IRQHandler only happens once

Posted on June 24, 2018 at 06:41Hi everyone.We have run a project on discovery f746 board consist of FREE RTOS ,  emwin and fat fs sd card library,that it works fine.Now we want to add USB OTG Host in FS mode to our project.We tried to append config...

['F042 USB] USB buffer not writable bytewise

Posted on July 08, 2018 at 16:35RM0091 Rev.9, 30.6.2 Buffer descriptor table, states:The packet memory should be accessed onlyt by byte (8-bit) or half-word (16-bit) accesses.Halfword access is OK. Bytewise read is OK. But writing a byte results in ...

INCLUDE_xTaskAbortDelay

Posted on July 06, 2018 at 16:02This flag should be forced disabled in CubeMX because there is a known bug in FreeRTOS prior to v.10 leading to an out-of-bounds write and (kernel) memory corruption. Must not be used prior to Freertos 10.0.0.#tcb_t #...