STM32 MCUs Products

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Forum Posts

stm32 + gcc compiler

Posted on December 09, 2012 at 15:22Hi All, I have the stm3240g-eval board,currently i am working with keil uvision as my IDE + armcc,but i am willing to switch to gcc . My question is ,does anyone have a explantion on how to configure the Eclipse t...

USB CDC Device hung fix

Posted on August 16, 2012 at 20:52 Hello! Looks like there is a subtle bug in the USB CDC device implementation. I played recently with STM32F4DISCOVERY board. In order to test USB operation in VCP mode I've created simple code which just echo ev...

olegv by Associate
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  • 3 replies
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USBD_Init Arguments

Posted on December 14, 2012 at 21:39Hello :)I'm trying to programm a virtual com port with the stm32f4discovery.In the official document of STM called ''STM32F105xx,... USBOn-The-Go host and device library'' there are the following arguments for USB...

Power consumption without low power ...

Posted on October 17, 2012 at 12:35 Hello, I'm using USB in my application so I cannot use any low power mode, not even __WFI(). I'm trying to understand what drives the power consumption of theMCU when using a while(1); loop in ...

root by Associate II
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  • 15 replies
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USART1 IRQ Issue

Posted on December 15, 2012 at 20:00Hello everyone, I am experiencing something strange with the use of USART1 on a STM32F103 in order to decode some stream coming from a RC Receiver. The behaviour I am getting is that once initialized, the first da...

longchair by Associate III
  • 547 Views
  • 1 replies
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STM32 IIC EEPROM Example

Posted on December 14, 2012 at 15:45helloI'm new in programming STM32 cardsI ask for your help. I try to use the example of IIC EEPROM on a map STM32 VL-Discovery.IAR tells me errors when building. the errors are in the main.cit does not recognize t...

mhamdi by Associate
  • 371 Views
  • 1 replies
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STM3240G-EVAL & RS-232

Posted on December 14, 2012 at 16:04Hi, I downloaded the evaluation firmware that came with the board,and tried to play with the RS-232 ,but it does not work. I configured the baud and everything correctly both on the PC and on the eval board. Can i...

STM32F103 I2C Send using DMA adds extra 'ghost' byte.

Posted on December 13, 2012 at 19:18 Hello Community, A peculiar situation with the I2C has caught me off guard, Some Background for you:- System Details:- 1) Hardware: STM32F103T8U7 communicating with an Atmel ATTiny4313 ove...

kaustubh by Associate II
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  • 2 replies
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STM32F4 option byte location?

Posted on December 14, 2012 at 19:21There seems to be conflicting information on the location of the option bytes on the STM32F4. The STM32F4xx flash document says that they start at 0x1fffc000, but the F4 STDPeriph library uses the address 0x40023C...

stm32f100c8 and ublox leon g100 USART communication

Posted on October 04, 2012 at 13:20hi all,i am recently working on a project that sending AT command to gsm module from stm32f100c8  via usart and receiving response with interrupt but i am very confused about usart interfaces.i cant receive respons...