STM32 MCUs Products

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Forum Posts

USB Host HID question

Posted on November 21, 2011 at 14:27I test the USB HOST HID example with STM32F207,a keyboard is connected to USB FS port.When the program is executed, the keyboard can be recognized by STM32F207,and LCD display message:HID device:keybd,but it doesn...

weizy by Associate
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LCD init problem

Posted on November 17, 2011 at 16:37The original post was too long to process during our migration. Please click on the attachment to read the original post.

dileptor by Associate II
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GPIO configuration for i2c and spi

Posted on November 21, 2011 at 22:45In principle, i2c and spi interfaces need open drain connections with (data) lines connected to pull-up resistors.However, in all the sample codes of the STM32 (examples in the peripheral library), the GPIOs for t...

hate_pod by Associate
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Acquiring audio signal using ADC

Posted on November 21, 2011 at 16:36Hi all, I am a newbiew with audio projects and I need your skills... I am acquiring the analog signal using the ADC of the STM32 and now I need a digital filter to filter out the noise. Once done I will output the...

trouble STM32F103ZET6 make reset on warm up !!!

Posted on November 21, 2011 at 22:06Hello, I have a very big problem. I have change the code and then when I make the board warm to 40�C..60�C, the processor make a reset. If I revert my change, then I can warm up the procoessor like coocing and no ...

mm by Associate II
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Full upgrade of flash

Posted on November 20, 2011 at 23:44Hej I want to write procedure that upgrades code in internal flash. It will be full upgrade of flash with executing mass erase command, so I should copy upgrade procedure to ram, execute it from ram and upgrade pr...

wadi by Associate II
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USART problem

Posted on November 10, 2011 at 10:21Hi, I wrote the code for the USART3 initialization and it does not work (cannot see anything on the scope while sending data). Can you tell me if I am doing something wrong? //configure clock for USART RCC_APB1Pe...

EXT Interrupts not happening ?

Posted on November 20, 2011 at 12:21I use the STM32F103RTE6, I cannot get the EXT interrupts to happen: I do the following: - RCC config, all the IO port clock are set RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DISCONNECT|RCC_APB1Periph_TIM2|RCC_APB...

benbb by Associate II
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TIM2 Interrupt -> HardFault Exception

Posted on November 20, 2011 at 11:09Hi Forum! First time I'm trying to do something with interrupts, and I get a HardFault Exception :) I'm using the IAR Workbench 6.3 with the STM32DISOVERY_VL - EvalBoard. Here's the main-function code (completely ...

STM32F4 USART BAUDRATE-Problem

Posted on November 19, 2011 at 16:18Hi Everbody!I'm trying to set up an USART Connection to my Notebook. Everything works fine but does anyone have a clue why I have to multiply the baudrate-setting with 3 to get the correct baudrate? for Example:  ...

flash86 by Associate
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