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Forum Posts

STM32F407VGT6 programming and debugging

Posted on June 30, 2016 at 22:25Hello, I have developed my code using IAR workbench, tried it on STM32F4 discovery board and it worked well. Now I want to download the code on STM32F407VGT6 chip I bought from digikey.com directly without the develop...

I2C Problem - STM32F4 DISCOVERY

Posted on August 03, 2016 at 08:33Hello everyone. I have searched the forums but could not figure this out.I am using the STM32 F4 Discovery, AC6 (System Workbench), and the standard peripheral libraries.On the Discovery Kit PA8 (pin 100) should be ...

Timer Interrupt Callback

Posted on July 05, 2016 at 18:15In Hal Library version 1.5.1 hal_timebase_tim.c the HAL_TIM_PeriodElapsedCallback(htim) increments uwTick. That's OK for TIM6, since it is now dedicated to that function, but other timer update interrupts also call th...

thumb misalignment? [was: memcpy oddness]

Posted on August 03, 2016 at 05:47 Hi Guys, I've recently started working with the STM32F0 series of microcontrollers, took a while to get a fully functional build chain up and running, but now everything looks good on that front. ...

morgan by Associate II
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STM32F103 issues with ADC1 6 channel DMA transfer

Posted on August 06, 2016 at 17:38 Hello, I have used ADC1 in 4 channel mode successfully in my project with DMA1 transferring the values in circular mode. Now I needed to add 2 more channels, but for some reason as a result reason the ch...

lkaino by Associate II
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[STM32F103] USART1 TX DMA only fires once

Posted on August 06, 2016 at 15:06 I have a problem, I wrote some code based of https://github.com/g4lvanix/STM32F1-workarea/tree/master/Project/STM32F10x_StdPeriph_Examples/USART/DMA_Polling and it only fires the USART1 TX DMA once for some rea...

zhausq by Associate III
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How to get debug output from NUCLEO F091RC

Posted on August 06, 2016 at 20:11I'm used mbed.  How can I get printf or debug message output? Does mbed have a way to get printf direct from Nucleo's USB port?Or, must I use Nucleo's STLINK RX/TX and to serial/USB cable, to Windows-7 terminal emul...

doug by Associate
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serial data + clock + timer + dma 17 bit

Posted on August 03, 2016 at 00:06 Hello need to implement such a protocol i need to make solution without interrupts and with DMA the main idea is send bufer with timer like here but cant conigure tim...

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vasilius by Associate II
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