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Forum Posts

multi ADC and DMA ==> memory problem

Posted on March 05, 2013 at 16:57Hello, I need to measure 3 ADC channels in continuous, I use the STM32L151VB. I use the DMA transfert, my firmware doesn't work property. please see in attachment my source code my problem is the  memory data  ''adcB...

willdu87 by Associate
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STM32F051 possible missconfig? makes Battery pin takes 100mA

Posted on March 05, 2013 at 15:57Hi, I have a STM32F051C6 on a PCB that has a socket for a Battery, connected to VBat using a Schottky diode. While development phase I don't fit the battery, just use a jumper wire and connect the Plus of the battery...

jgnoss by Associate III
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usb library patch

Posted on January 09, 2012 at 10:47Hi, where can I submit usb library patch(es)? #stm32 #bluetooth

spam by Associate II
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  • 5 replies
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understanding i2c signal

Posted on March 05, 2013 at 12:16Hi, I am programming the STM3241G-EVAL to work as a i2c slave to comunicate with a mother board running Linux. In the tests I am using the linux i2c-tools.When I try to send a byte (0x35) to the device address (0x0A)...

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occam25 by Associate II
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Broken link on ST-website for STM32 resources

Posted on March 05, 2013 at 17:20Hello,    I was trying to get the ST-LINK software and drivers for the STM32 board. The links provided seem to be broken.  Google, in addition to the forum posts of days past, point me to these links:http://www.st.co...

STM32f407vg discovery cannot communicate with ST link

Posted on July 18, 2012 at 16:51it shows like:Error : Cannot communicate with the device !Check the SWD cable connection and check all the needed pin connections on the SWD connector.Reboot the ST-Link with USB cable.If the device has been programme...

vinothraj by Associate II
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remove protection level 1

Posted on March 05, 2013 at 17:05 hey , i was testing the flash driver of stm32f407vg. and during the testing of the option bytes i set the rdp of the flash to protection level 1. since then all debugging facilities have been disabled. even the f...

SPI configuration problem on STM32F4 Discovery

Posted on August 07, 2012 at 18:55Hi everyone,I am trying to send some bytes of data on a sd-card (8GB) using SPI.I started with wiring the sd slot and configuring the spi but I have nothing, not even the clock...I have followed what's explained in ...

Charge of supercapacitor and Vbat

Posted on March 05, 2013 at 08:41Hi everybody,I got a question about Vbat (I didn't find this answer in the datasheet). I have connected to my Vbat pin a supercapacitor.Does I need to connect my supercapacitor to 3V3 to charge it ? Or is it charged ...