STM32 MCUs Products

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Cannot call functions from external source file !

Posted on December 19, 2012 at 05:25Hi all, I am facing some  weird problems related function references. When I write a function that stored in the source file containing the main function, my program works properly. However, if I store it in a dif...

phuccnp by Associate
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  • 2 replies
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From STM32F103 to STM32F107

Posted on December 17, 2012 at 10:51Hello! We have a problem with the usage of STM32F107 microcontroller. We used STM32F103 before. Programming was made by IAR Embedded Workbench. Now we have a working project for STM32F103, but it can not be loade...

morpeh89 by Associate II
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  • 2 replies
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STM32F4-Discovery - problem with USB OTG

Posted on December 16, 2012 at 17:56 Hi, I have a problem with usb. My board is set as a device. On PC I have an application, which was programmed in C#. I want to change the state of the diodes on Discovery with the press of appropriate key...

bkdi by Associate II
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  • 2 replies
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STM32F107 ethernet interrupt problem

Posted on December 17, 2012 at 19:55I am a newbie of STM32 developer. I use STM32 F107 in one of my self-designed boards. Several weeks ago, I bought STM3210c Evaluation board, and I use the downloaded stm32f107_eth_lwIP, it works well. But when I ...

wfu by Associate
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  • 1 replies
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STM32L Hard fault after waking up from EXTI

Posted on December 18, 2012 at 03:22I'm programming for an STM32L152xx and ran into the part hard faulting when it goes to sleep but wakes up from an external interrupt. Since I need the lower power sleep mode, I'm doing the necessary steps to get t...

shotaro by Associate II
  • 760 Views
  • 2 replies
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STM32F100C4, TIM1 problem

Posted on December 16, 2012 at 20:19Hello! I've faced with next challenge: my STM32F100C4 freezes right after TIM1 interruption occurs. When I used simulator of Keil (this MCU isn't supported by simulator, so I specified STM32F103C8) I found place i...

STM32F105 USBD_FS_VCP

Posted on December 17, 2012 at 16:12hi  all, I have bought a STM32F105R8 demo board,   the board can communicate USART1 to CAN1.  now I want to try the USBD and CAN1 in FS mode, so I downloaded the “STM32_USB-Host-Device_Lib_V2.1.0â€� from http://...

evanqian by Associate II
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. .

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

ahiggins9 by Associate II
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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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