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Forum Posts

Using USB OTG as a device

Posted on February 25, 2012 at 19:23I need to use a F105 as I need CAN and USB at the same time. I need to connect it up with a B type connector as a device only. The manual talks about device and peripheral, but I always thought they were the same ...

DiBosco by Senior II
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STM32 AN2581 Application Note and Source code

Posted on March 24, 2012 at 20:24In the web by google I have finded the ST AN2581 Application note with same example to configure the TIM Peripheral. The application note says that for any example there is a source code on the site http://www.st.com...

STM32L15x Microcontroller Clock Output Enable

Posted on March 24, 2012 at 20:13I would like to see the System Clock of my STM32L152. For this reason, I have included in my project this function:  /* Enable External Clock Output MCO on Pin48 - GPIOA.8 */  // Addizionale   RCC_AHBPeriphClockCmd(R...

High power consumption in StandBy mode

Posted on March 21, 2012 at 16:53 Hi I have my F205 (and F405) going to StandBy mode and waking up properly. I have confirmed that from the PWR_CSR register's SBF flag and also the 25MHz HSE is turned off properly according to an oscillo...

tuomas by Associate II
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Troubles setting up the CAN

Posted on March 24, 2012 at 11:39Hi, I'm having troubles setting up the CAN bus on my STM32F103R4. I'm using the can example from the keil homepage . When it is about to leave initialization mode, hardware doesnt reset the INAK bit in MSR register ...

SysClock change during operation

Posted on March 20, 2012 at 20:26If there's another post which addresses my question, please direct me there.  I'm looking for a general idea as to how to change the system clock of the STM32F4 device while in operation.  I'd like to switch to a ''l...

STM32F2xx FSMC interfacing with SDRAM memory

Posted on March 22, 2012 at 17:13Hi,First of all i know that FSMC in STM32F2xx does not support SDRAM devices. But i think that with little effort it should somehow work reasonably.A good example of how the others try to this is at http://www.myplac...

STM32F100C8 seems to have 128k flash despite datasheet

Posted on March 23, 2012 at 16:34we made EEprom emulation tests with the discovery board first (with 128k of flash). Our own target uses the C8 processor. We have not paid attention to flash size in regard with eeprom, but did not run into problems,...

The dreaded handler hardfault on new build chain

Posted on August 23, 2011 at 07:05Greetings, I am new to the STM32 family of devices and am trying to build for the FUTURELEC STM32 Stamp Board, which has on it the stm32f103ret6 processor. Link: http://www.futurlec.com/ET-STM32_Stamp.shtml I am abl...