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STM32 MCUs Embedded software

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startup_stm32f4xx.s VS startup_stm32f4xx.c

Posted on July 20, 2013 at 02:53Hello everybody.I am trying to implement the Audio_playback_and_record project from the STM32F4-DISCOVERY board on CoIDE. I have managed to do so but the only way it would work is by flashing the processor using MDK_K...

Help with Ethernet configuration

Posted on July 18, 2013 at 20:18 Hello guys, I need some help. Im trying to interface a stm32f407 with a lan8720 via RMII interface using an external clock source from the PHY. I was able to measure the 50MHz sine wave generated by the PH...

USB CDC VCP help to receive Data from PC

Posted on July 09, 2013 at 20:09Hello everybody (This about USB VCP) i started an application to send and receive data from PC to STM32F4 discovery i used the titorial provided by STmicro, but the problem i'm not able to sent to the STM32F4Discovery...

STM32F437I-EVAL Board config

Posted on July 17, 2013 at 10:31Hello,I'm currently working on a project with a STM32F437I-EVAL board. I have to use ethernet, USB OTG HS and the SD card. Problem is : I don't know how to &sharpdefine and config the dedicated ports and clocks. Aren'...

xtick by • Associate
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In BOOT mode stand GPIO pins

Posted on July 02, 2013 at 18:01Dear Developers,I wrote a program which is set to a low level of PE3 Pin. BOOT mode is switched to the next step when the PE3 Pin measured high levels.This can cause serious problems in future developments. Therefore,...

wwwharry by • Associate II
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midi-usb interface STM32F4-discovery

Posted on July 15, 2013 at 15:09 Hello, I am a bachelor student who is trying to use the STM32F4-Discovery as a midi console controler as a fun project :-). I have found no usefull sites for this, most people use the  midi box from st which has a...

benjamin by • Associate II
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USB HID Mouse and Keyboard Combo

Posted on July 15, 2013 at 09:21I want to make a USB device that has to collections, one for an HID mouse and one for an HID keyboard. But in the report descriptor, I will have to use report ID's and the HOST will ask for two separate reports specif...

Problem with LWIP board fw in STM32f107

Posted on July 04, 2013 at 09:53I have 2 devices with stm32f107 connected LAN. They are server mode and their fw is same except IP setting. I can connect each one by one at first time. But after I connected all when I try to connect  first I connect...

arge by • Associate III
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  • 4 replies
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USB VCP Unknown Device

Posted on July 03, 2013 at 17:42hi everybady i have started an tutorial for UCB virtual com port (VCP), when the program start, alleways Unknown device, can help me/**   ****************************************************************************** ...

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