STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Basic UART Interrupt TX causes system crash STM32F767

Posted on July 23, 2017 at 03:18Hey All,I'm a bit at my wits end here trying to debug a pesky issue I'm having with a very basic interrupt mode UART transmit. The issue is that when I call HAL_UART_Transmit_IT(), it causes the whole chip to lock up....

big execution time

Posted on July 23, 2017 at 10:57Hi!when I tried to run the code below at an interrupt it took 123u sec! (I measured that by toggle PGIOB7) which is too big for me . any one can advice?I am using STM32F429 running at 70MHz (I can't increase the clk f...

BlueNRG-MS hardware error

Posted on July 23, 2017 at 16:18Hi all ,    I used BlueNRG-MS found a problem , the MCU is freescale chip and used SPI communcation with BlueNRG-MS , but the MCU send the configuration information to BlueNRG-MS , start I could read 0x04 0xFF 0x03 0x...

0690X00000607TRQAY.png 0690X00000607e2QAA.png

FOC, how to remap driver pins

Posted on July 23, 2017 at 10:33Hi there,The idea is to use the same driver pins for PMSM(FOC based) and BLDC(own library) motors. FOC SDK 4.30 allows to initialize the same pins for only one type of motor (PMSM in my case). Is the any way to stop/d...

STM32F405 HAL SPI Communication Problem

Posted on July 20, 2017 at 06:22Hello,I want to interface STM32F405 with Atmel memory chip AT45DB041.In which i want to send hex commands and character array for write and read.which API is most suitable for this application.When i tried send a hex ...

Resolved! SWO pin

Posted on July 17, 2017 at 12:37HeyI'm using stm32f103c8 and I want to use all of the GPIOB .it work good expect pin 3 and 4.Those pin use for sys_njtrst and sys_jtdo-tracswo but i just use SW and i don't need these pins for programming  and want to...

stm32f103vbt6 Interrupt Numbers ?.

Posted on July 20, 2017 at 00:15Evaluating the above processor using gcc toolchain and openocd and J-Link. Not using cmsis (various reasons) and writing all the low level hal and header files, as a way to become more familiar with the processor. Alr...

STM32F7 MPU performance impact?

Posted on July 21, 2017 at 23:36Greetings,After reading http://www.keil.com/support/docs/3777.htm it seems like a good idea to change the SDRAM attributes via the MPU.  Can anyone comment on the performance impact of enabling the MPU (it's not curre...