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Posted on March 21, 2013 at 10:46Hi, 64 byte transfers from my STM32F4 cdc driver to the host side fails. 63 bytes work, as well as 65 bytes. A quick forum search indicates that this is a bug in the cdc class driver firmware. A 64 byte transfer shou...
Posted on March 21, 2013 at 04:08I'm having difficulty getting deterministic behavior when disabling a DMA transfer in progress. I'm using DMA to feed the USART 2 transmitter from a buffer. When I need to queue up more data for the transmitter, I'...
Posted on January 24, 2013 at 17:54Hi allI am using STM32 and trying to make the periodic wake up of the CPU from low power sleep mode , by interrupt from TIMER 9 , and I see the following strange behavior: I succeeded to wake up the CPU fro...
Posted on March 21, 2013 at 20:49Can anybody help explaint why when as the Master on the i2c, when i send out the slave address for a read request, i get 2 consecutive 9 cycle clock bursts before I try to do the Read. Basically i am loosing the firs...
Posted on March 21, 2013 at 16:53Hi,I am trying to install the virtual port com driver, i install it from this url https://docs.google.com/file/d/0B7OY5pub_GfIZTFFMlE4aTUwVU0/edit?usp=sharingbut when i connect my stm32f4 board i can not identify th...
Posted on March 21, 2013 at 16:23I'm using stm3210c-eval with STM32F107_LwIP_IAP_V1.0.0. when I change the html file ( \Project\STM32F107_LwIP_IAP\fs...) THERE is no change after debug. I tried to generate a binary file but i coudn't do that. can y...
Posted on December 03, 2011 at 11:21Hello, I need help. I want to use both the regualar channel and injected channel in my project. The injected channels are configured in injected simulataneous Dual mode, single conversion, scan mode. The ADC1 is...
Posted on March 21, 2013 at 13:19Can anyone please help-me changing one of the ADC read sample codes for 10 or more (idealy 26) adc channel's sequencial reading?? I come from 8 bit micro and I am overwhelmed with so much information and capabilities...
Posted on April 04, 2009 at 17:08stdio via USB virtual COM port
Posted on March 17, 2013 at 12:51Hi all, I am a beginner to USB and after some days of reading USB OTG library and RM0033 in the scope of getting started with USB. I'll to try to explain the virual com port example in my own words and fore w/o garan...
