STM32 MCUs Products

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Problem on I2C bus

Posted on February 28, 2013 at 18:40 Hi everybody, I've got a problem on the I2C bus. I'm trying to read/write an EEPROM (24AA1025 from microchip). When I'm writing into the EEPROM, I can see I2C sentences on my oscillscope. They're lo...

why have no IDE to support the STM32F439?

Posted on April 10, 2013 at 11:25i have a board with MUC STM32F439,but i have an problem?i found the IAR FOR ARM can't support the MCU STM32F439 in the web www.IAR.com .It's pity that  the KEIL did't suport the MCU STM32F439.how to deal with it ?can...

aizhixi by Associate II
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  • 3 replies
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Data from ADC to USART

Posted on April 11, 2013 at 23:06 Hello, what changes must be performed in following code in order to send acquired data from ADC to USART and not to LCD (as it is now)? /** ************************************************************...

hospodar by Associate III
  • 762 Views
  • 4 replies
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STM32F4 Discovery __ALIGN_BEGIN USB_OTG_CORE_HANDLE Problem

Posted on February 10, 2013 at 13:01Hi, I am working with  CooCox IDE an this USB project https://my.st.com/public/STe2ecommunities/mcu/Lists/STM32Discovery/DispForm.aspx?ID=1311 pulled from the STe2eCommunity. I had to add #include ''stm32f4xx_conf...

kruszi by Associate II
  • 1747 Views
  • 5 replies
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STM32F103RB CAN PINS PROBLEM

Posted on April 11, 2013 at 16:03 Hi, I have a problem with the CAN keil example for mcbstm32 board. I use this example a lot with the remap for CAN so the pins are PB8 and PB9. That is theDefault configuration for the board. I tried to chan...

felipe by Associate II
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  • 4 replies
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pwm with a voltage between 1v and 3v3

Posted on April 08, 2013 at 06:28Hi all,i have a problem, i have 6 complementary pwm (TIM1) and i used ADC to change the duty cycle. this my main function:int main(void){          /* System Clocks Configuration */  RCC_Configuration();  /* GPIO Conf...

STM32F4 DISCOVERY on eclipse

Posted on April 10, 2013 at 14:51Hi, Am programming an STM32F4 Discovery on eclipse , i staeted with the IO_Toggle example but i got this errors : Symbol 'GPIO_Pin_15' could not be resolved Symbol 'RCC_AHB1Periph_GPIOD' could not be resolved   Des...

STM32F4 ADC polled

Posted on December 12, 2012 at 15:06 I am trying to use the STM32F4 ADC1 in a simple polled loop. HCLK is 168MHz. My code calls RCC_Configuration_Adc1, GPIO_Configuration_Adc1, ADC_DeInit and ADC1_Configuration then goes to the main loop...

John F. by Senior
  • 2006 Views
  • 9 replies
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STM32 CAN: Having trouble with baud rate

Posted on April 10, 2013 at 15:17 Hello! I'm working on bringing up the CAN peripheral on a STM32F207VCT6 part. I followed the CAN Programming Example in the Peripheral Driver Library manual (pertinent lines highlighted in red:( ...

Rea.David by Associate II
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  • 3 replies
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HardFault Handler occurs with the memcpy function

Posted on April 11, 2013 at 10:52void DMA2_Stream2_Rx(void) {   USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);   USART_ITConfig(USART1,USART_IT_ORE_RX,ENABLE);   USART_DMACmd(USART1,USART_DMAReq_Rx,DISABLE);                       memcpy(&mbdCurRxDNode...

gaojian by Associate II
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  • 7 replies
  • 0 kudos