STM32 MCUs products

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Posted on December 23, 2013 at 05:25TIM5_CH2 and ETH_RMII_REF_CLK use the same pin PA1, STM32F407VG cannot remap TIM5_CH2 to other pins, I want to use TIM5 as a encoder,  is there a better solution? 

tongersa by Associate
  • 1 replies
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STM32F103ZD USART3 RXNE interrupt not working?

Posted on December 23, 2013 at 11:59Hi, I made many applications using USART1 and 2 with and without using DMA. On behalf of making some setup mistake USART3 Rx seems not to react on received data. Transmit interrupts TXE and TC work fine. Valid dat...

henk2 by Associate II
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STM32F3 new project.

Posted on December 11, 2013 at 14:33Hello everyone. I'm new to programming, just got this stm32f3 board. I tried to run TIM_PWM_Input example ant it seems to work just fine. That's what i want to do now - measure external signal frequency. However, ...

arganasss by Associate II
  • 24 replies
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Question about STM32 EXTI

Posted on December 17, 2013 at 06:46Hi Sir, I'd like to ask one question about STM32 EXIT. If interrupt pin asserted during EXT_IMR is disabled, will the interrupt be recorded by EXTI_PR and intrrupt is issued to CPU core immediately after EXT_IMR ...

icdiy by Associate II
  • 12 replies
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GDB Connection Timeout

Posted on December 21, 2013 at 14:53I used to the St-write to burn .bin to the STM32F4 and saw the message which I expected. Now, I hope to understand how GPIO init. Hence, I use OpenOCD and arm-none-eabi-gdb to do that. Here, it is my process.$ min...

gapryun by Associate II
  • 3 replies
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sd card data for stm32373c_eval

Posted on December 23, 2013 at 04:27Hi All,I have a stm32373c_eval but now I lost my sd card. So now I want to copy data to new sd. Could you tell me where can I download sd card data for this board?Thanks and best regardsThinh

np1 by Associate II
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STM32F3-Discovery and ITM port printf

Posted on December 21, 2013 at 22:28Hello, I try to use the ITM printf funtionality with my STM32F3-Discovery board. I follow the explanation of the STM youtube channel but I can't get it to work. I use kei...

jtredez by Associate
  • 2 replies
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I2C Busy Flag problem

Posted on December 21, 2013 at 13:35hello.I want to write byte to the sensör with I2C so write this code void MPU6050_I2C_Init(){        // RCC Configuration        RCC_HCLKConfig(RCC_SYSCLK_Div2);        RCC_PCLK1Config(RCC_HCLK_Div1);        RCC_P...

Use User button of STM32F4 as encoder mode (Timer)

Posted on December 21, 2013 at 00:09HeyIn order to use the user button of stm32f4 discovery as encoder mode, I was configured timer2 as follows but it didn't work:   void configureEncoder(void) { RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABL...

STM32 USART2 per DMA Problem

Posted on August 30, 2012 at 16:41I have a problem that maybe someone can help with. I've spend the last few days on this and I just don't understand why it's not working. I have a STM32 where I want to send out a buffer over USART 2 using DMA to a ...