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Posted on December 17, 2012 at 09:35 #i2c

ahiggins9 by • Associate II
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  • 7 replies
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GPIO pull - up/down configuration

Posted on December 17, 2012 at 11:17Hi All,CNF1 and CNF0 bits at port configuration register. 11 is reserved , 10 makes it pull - up/ down.I think it connects pull up and down resistor at same time.Is it possible to select pull - up only.Thanks

akinik by • Associate
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  • 3 replies
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Programming problem on Open407I-C with LCD

Posted on December 17, 2012 at 22:26I just started with the STM32F407 Open407I-C board:http://www.wvshare.com/product/Open407I-C-Standard.htmIt's a pretty excellent demo board.  Very little pin commitment on the board, most are just straight brought...

dannym by • Associate III
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  • 2 replies
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Modyfing/replacing C funtion during STM32 work

Posted on December 17, 2012 at 14:48I'd like to implement simple DSP job on my STM32F4 discovery board. I wish to have possibility to change it during STM32 work without flashing program memory. Can I do that? It's like I compile some C funtion to m...

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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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
  • 428 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...

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