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ITM SWOTRACE using DMA

Posted on January 14, 2015 at 13:10Hello there, I am trying to make an efficient debug trace system on a stm32F4discovery board. For now I have an example of an application that uses ITM the standard way- it prints data in a loop. I was wondering ei...

STM32F4 : USB library : toggle bug ?

Posted on October 09, 2012 at 23:02Hello,I'm trying to port the STM32  USB host+MSC driver to the little board fez cerb40 (stm32F405rg) to allow it to read a USB stick.I'm blocked on a problem since several days.I followed the guide and the CORE ste...

Ixox by Associate II
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STM32L151 MD: duplicate byte on EEPROM write

Posted on January 14, 2015 at 15:51I a facing a problem writing to eeprom using DATA_EEPROM_ProgramBytewhat I noticed is that my byte gets duplicated and I end up with n+1 bytes written where it is supposed to write only n bytes I am using  the lib ...

ochebaro by Associate
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bluetooth module interfacing with stm32f101x

Posted on January 14, 2015 at 10:21Hello everyone,                        In my project I need to communicate to the bluetooth module from  stm32f101x . the Bluetooth module I am using SPBT2532C2.AT bluetooth module . I didn't get any example code f...

Beginner Assistance, connecting the STM32F103RCT6

Posted on January 13, 2015 at 10:15Hi all, I have been asked to take over a project on a custom built board that features the STM32F103RCT6 processor. I have installed Keil Uvision IDE but am struggling to communicate with the board so I wondered if...

lo0446 by Associate II
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  • 3 replies
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STM32F4 TIM DMA using HAL

Posted on January 13, 2015 at 20:36I would like to update the ARR of TIM2 after each overflow is reached. I tried this with HAL_TIM_Start_DMA, but it only seems to start the timer; the timer period elapsed callback is never reached. I have set the i...

Roth.Ian by Associate II
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stm32f030 usrt surprissing issue

Posted on January 12, 2015 at 19:05I have written  two pieces of code for usart half duplex for the two f030 evaluation board respectivelyThe code workss as followsIn the first piece of code (named as board 1) the usart1 sendinng the data waitinng f...

sanjib by Associate III
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sysem us startup time

Posted on January 13, 2015 at 17:25I use      #define   micros()                   SysTick->VAL + HAL_GetTick()*1000 is it true ?

LTDC AF mapping bug in CubeMX code?

Posted on December 27, 2014 at 12:10CubeMX (CubeMX v4.3.1, STM32Cube V1.0) generated pinout for STM32F429  LTDC is/** LTDC GPIO Configuration         PE4     ------> LTDC_B0     PE5     ------> LTDC_G0     PE6     ------> LTDC_G1     PI9     ------>...