STM32 MCUs Embedded software

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how send NULL string with lwip?

Posted on January 28, 2015 at 23:28i can send string with lwip.how send NULL string with lwip sprintf(BUF,''(%c%c%c%c'',len/256,len%256,Cmd/256,Cmd%256);  strncat(&BUF[5],buf,len);   strncat(&BUF[5+len],'')'',1);  tcp_write(TcpPCB,BUF,BufLen+6,1); i...

h_kabiri by Associate II
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STM32L151 Slow USB speed

Posted on November 27, 2014 at 15:12Hello all,I have a quick question regarding the USB FS speed on STm32L151.I managed to modify the sample code for USB VCP and get the USB running. I'm streaming my data to the PC succesfully.The question is follow...

srdjan by Associate II
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CAN application using HAL Library

Posted on January 26, 2015 at 16:01Hello there, I am new to STM32 but I have some expirience with AVR8 and 32. I am trying to make a simple demo program using stm32f4discovery board that would allow me to send and receive data on CAN1 channel. For t...

Sd card damage after writing data[SOLVED]

Posted on January 20, 2015 at 14:41I am getting a very annoying problem where my SD cards are becoming corrupted after recording data through a custom PCB. I'm using the SDIO driver (fixed for 4GB), that clive has made available in the forum, for in...

felipe2 by Associate III
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  • 8 replies
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Minimal working uart reciver with HAL

Posted on January 20, 2015 at 06:45I will make minimal uart reciver with HAL, by STM Cybe, but it don't work.Test code is atached.I use stm32f4-discovery, there i will connect PC6 to PC7 and run attached code. ANd nothing happens - no any will be re...

chief by Associate II
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  • 2 replies
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