STM32 MCUs Products

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Forum Posts

STM32F0- RS485 communication problem

Posted on July 09, 2014 at 12:39 Hi, I am trying to connect STM32F0 board with an energy meter. The Energy meter supports RS485 protocol. I have connected USART 2 to MAX 485 and the o/p of the MAX485 is connected to a level shifter 74ls25 an...

aruns06 by Associate II
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jump from flash to RAM

Posted on July 13, 2014 at 14:19Hi,We have application that run in flash from address: 0x08000000.In order to update the application, we send loader code to the application through USB, the application copy the loader code in the RAM starting from a...

ilanh by Associate II
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  • 1 replies
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DMA_FLAG_FEIF0 value incorrect in stm32f4xx_dma.h?

Posted on July 12, 2014 at 15:59While trying to track down my DMA2 stalling problem, I've tried to enable interrupts for things other than completion. As a result, I notice that these two definitions: </p>   #define     </b>     DMA_FLAG_FEIF0 ((u...

Problem in duty cycle

Posted on July 11, 2014 at 16:14Dear sir,i have following conditions.the problem is that, my actual value & compiler value are not matching.in debug options.1) i am getting duty cycle on o.scope less than 2% the actual calculations.look forward to h...

deepak by Associate II
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STM32F103 with uCGUI

Posted on July 12, 2014 at 08:22A good example of uCGUI Graphics Framework running bare (without any RTOS) on STM32 Development Board with Source Codehttp://ucguibarerun.blogspot.in/ #ucgui

STMf030 USART

Posted on April 05, 2014 at 10:39The original post was too long to process during our migration. Please click on the attachment to read the original post.

sanjib by Associate III
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  • 25 replies
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stm32f103zet6 spi3 dma tx

Posted on July 12, 2014 at 03:32hi everyone,how can I use the SPI3 DMA TX,the following is my configuration(it do  not work):RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);//IO?? RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);//DMA 2???? //...

positively lost regarding systick

Posted on July 10, 2014 at 21:25The original post was too long to process during our migration. Please click on the attachment to read the original post.

d_dhmas by Associate II
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