Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on January 04, 2018 at 16:20 Hi. I have a project generated using stm32cubemx. lwIP, RMII, 50MHz MCO out. Static IP. ARP, ICMP modules is enabled. After starting the board i see (with wireshark) one Gratuitous ARP message fr...
Posted on July 10, 2018 at 13:57Hi I have a design with a STM32 and dp83848c. Everything works fine there. For my customer I needed to extend the board with a second ethernet connection, so my boards can be daisy chained.So I replaced dp83848c with...
Posted on July 10, 2018 at 08:03I am using STM32F446 Microcontroller in my project.But i have some points to know about Interrupt.1. if i use multiple interupts and i am not assign priority of interrupt than how interrupts execute?2. If I assign...
Posted on June 24, 2018 at 21:34Hey guys,I'm using C++ on my STM32F429 with G++ compiler.I was trying to test the limits of the vector class. However I'm always running into a hard fault. I'm expecting a bad alloc exception instead.http://www.cplusp...
Posted on June 25, 2018 at 10:23Hello i�m new in st community.I�m developing with this led driver, I�ve read the application note of this driver (AN4374) and i�ve done the example to turn on all leds, i had to send to the led driver these commands:...
Posted on July 10, 2018 at 08:58Hello, I am using CAN1 in loopback mode and when i probed CAN1_TX, i found NAK. why is that ?wont the same can1 controller ack it ?if NAK then CAN1 should re transmit the frame ( NART is 0) , but dont see any retransm...
Posted on July 10, 2018 at 10:17Hi allI'm using STM32F746Z, I have a raw RGB image acquired from DCMI and i need to convert it to jpeg.Using STM32CubemMX i've enabled middlewares LIBJPEG library, but now i how to use it.Can anybody provide me a simp...
Posted on July 09, 2018 at 09:45Hello,I have stm32F105RB with 128KB flash and 64KB sram. But I qury the related document, the flash organization is as below which total flash size is 256KB. Are there any other documents to introduce the 128KB flash ...
Posted on July 10, 2018 at 10:15The STM32 appnotes list is relatively hard to find (menu placed onto right of screen is very unusual thus unintuitive, and the javascriptoid navigation cumbersome - can't this be arranged in a more conventional way, a...
Posted on July 10, 2018 at 08:23Hello,I designed a board using STM32L071KZU6. I am using HAL_TIM_Base. The timer works correctly in Debug mode. But when I use run mode without debug, the timer takes longer. (I set 5s but it is 1-2 min). What problem...
