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

STM32f4 reset problem

Posted on January 04, 2014 at 19:13Hello,I have made a custom pcb for STM32f407VGT6. I am able to detect and program MCU using ST Link V2. However MCU is not running code after reset. BOOT0 pin is connected to ground via 1K resistor and BOOT1 is han...

nikhil by Associate
  • 504 Views
  • 1 replies
  • 0 kudos

STM32 f4 + Bluetooth

Posted on June 07, 2013 at 06:23Hello,I must establish a data transfer between a temperature's sensor connected with Bluetooth Bee and STM32 F4 with a Bluetooth Bee too.The connection between the sensor and the PC is set correctly (COM port) on the ...

touzi by Associate
  • 811 Views
  • 2 replies
  • 0 kudos

PWM with TIM8 works only with debugger

Posted on January 03, 2014 at 11:50 Hello, ich trying to create a PWM signal with TIM8 (channel 1). The PWM signal is generated as expected but only if i run the debugger. When i turn of the debugger the PWM signal is still running. ...

what is the purpose of ''#define USE_FULL_ASSERT''

Posted on January 03, 2014 at 12:16Hello All,I am new to STM32 cortex M3 controllers. I am building a basic application (LED toggling) in IAR embedded workbench v6.2. I am facing an error Error[Li005]: no definition for ''assert_failed''. What i wan...

ch2 by Associate III
  • 5227 Views
  • 3 replies
  • 2 kudos

STM32_USB-Host-Device_Lib_V2.1.0 working?

Posted on August 28, 2013 at 13:01Hi Help, I have been trying to get the STM32_USB-Host-Device_Lib_V2.1.0 working as a Virtual Com Port/CDC on a STM32F407 in Atollic TrueStudio. No RTOS - bare infinite loop in main. The code compiles and run OK. USB...

chen by Associate II
  • 896 Views
  • 3 replies
  • 0 kudos

FatFS SD wont initialize

Posted on January 02, 2014 at 06:01Hi All, I'm having problems with getting my 2Gb Micro SD card to initialize. From deubgging, I have found the problem occurs in the FindSCR(RCA, scr) function called within SDEnWideBus(FunctionalState NewState). Sp...

Solved: STM32F4Discovery EXTI Multiple Interrupts

Posted on January 03, 2014 at 03:17 EDIT: Solved by clive1! See post below. Hi (again), I'm tinkering with Interrupts this week. I'n the example code I have provided below, The Green light flashes (as expected) in the loop....

Just Matt by Associate III
  • 657 Views
  • 2 replies
  • 0 kudos

MAX485 and STM32 ?

Posted on January 01, 2014 at 01:49Guys, Can I use MAX485 and STM32F107VCT6? I can't find VH max on F107 datasheet, is it possible if I interface MAX485 with STM32F107VCT6 USART ? pin PA9 and PA10 connected directly to MAX485 Any clues ? Thanks #...