STM32 MCUs Embedded software

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STM32L0x Boot0

Posted on April 15, 2016 at 13:45Fellows on some STM32L0 (STM32L011x3/4 TSSOP2) Boot0 is also  PB9 on others (STM32L031x4/6 TSSOP2) only Boot0. Is this not allways the same for a STM32 familiy like STM32L0x? Is that correct? I think on we need as mu...

felix2 by Associate II
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STM32F411RE cmsis led don't turn off

Posted on April 10, 2016 at 19:46Hi, I've got problem with code. LED on my board STM32F411RE don't turn off when I'm using cmsis library but in HAL or StdPeriph it works. &sharpinclude ''stm32f4xx.h'' &sharpinclude ''core_cm4.h'' int main(void) {   ...

lukarzmen by Associate II
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Real bug in the USB CDC

Posted on September 15, 2014 at 14:39USBD_CDC_TransmitPacket() function contains a bug: it sets the 'transmission in progress' flag AFTER starting the actual transmission, so if the 'transmission done' interrupt happens too early, the flag will be ...

ksa by Associate
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USB on STm32F411RE

Posted on April 07, 2016 at 11:07Hi,I'm trying to handle a printer via USB with my http://www.st.com/web/en/catalog/tools/PF260320 but I'm facing a problem. Indeed, when my board send the first request for the enumeration, it goes in a waiting time ...

2 UART running in FreeRTOS

Posted on April 07, 2016 at 15:11Hi, I use 2 UART ports: UART1 for WiFi and UART4 for debug output. My goal is to send to UART4 data I received on UART1. When I use only 1 UART, it works (UART4), everything I typed on keyboard, returned back. I impl...

UART

Posted on April 02, 2016 at 12:40Hi,I am facing some weird problem in UART.Whenever i am using UART in polling to receive the data followed by storing the data into some array. But what is happening is that the array is sometimes(mostly) starts to f...

bhavesh by Associate II
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STM32L0 - DFU support?

Posted on February 21, 2015 at 19:40Hello I just need a confirmation. Is there really no support for firmware upgrade over USB (DFU) in the STM32L0 MCUs??? The STM32L0 is not listed in the http://www.st.com/st-web-ui/static/active/en/resource/techni...

Tantalum by Associate II
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