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Forum Posts

Modifying Custom HID Application

Posted on October 05, 2013 at 22:03Hi;I am working on the Custom HID application which is in the St library and I use STM3210E-EVAL.  But this protocol transfer only 2 bytes (1 Byte Id + 1 Byte Data) so I modified the code and I transferred the 64 b...

prt by Associate
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Trouble with USART_ReceiveData() and STM32F103 with Tera Term

Posted on May 29, 2015 at 17:20Hi,I would like assistance in determining why I cannot properly use the USART_ReceiveData() function with my SMT32F103RE. I have been using Tera Term with a SparkFun FT232R usb to serial breakout board. Printing to Ter...

leah by Associate
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interrupt routine service latency in stm32f407

Posted on May 29, 2015 at 14:49HelloWhat is the delay between interrupt occurance(e.g. external interrupt on a pin) and interrupt service routine entry?by some initial measurements, it's about 30 cpu clocks.Is it interrupt type(external pin, specifi...

STM32Cube USB VCP on F401

Posted on May 29, 2015 at 12:36Hi,Having had a working USB VCP using the old non-cube drivers, I've spent the last week trying to get a reliable VCP with the new ones - and failing. In fact at one point just uncommenting some irrelevant and unused c...

gw by Associate II
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STM32L053/51: Can't set DBG_STOP at the start of main

Posted on May 28, 2015 at 01:41Hi, I want the debug ability during stop mode. According to the reference menu, DBG_STOP in register DBG_CR bit should be set to do this. But after I set it, it is still 0. I have tried several ways: Use a macro ''ex...

14545714 by Associate II
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stm32l053 usart2 levels

Posted on May 27, 2015 at 23:22As you can see here:https://drive.google.com/file/d/0B979a_DgADKmNkE4N1B0R21BaXM/view?usp=sharingI'm trying to send data out USART2; it seems to be set up correctly and outputting to pin A14, but the voltage levels don...

lee23 by Associate II
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