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STM32F103CB and RTC interrupt

Posted on March 25, 2012 at 15:39 Hi all, I am using the STM32F103CB microcontroller to develop an embedded application for wireless communications that needs to sleep and wake up periodically in order to save energy, as it runs from bat...

peretuset by • Associate II
  • 1703 Views
  • 4 replies
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USB Device Library Bug (STM32F2XX, STM32F1XX)

Posted on March 25, 2012 at 14:30Found a bug in the USB Host / Device library.uint32_t overflow, max. block number is ~ 8.4M.See the link, rows 39 - 40https://gist.github.com/f4691b584575c41e26fbIs there any chance to have this bug (and others too) ...

dzuikov by • Associate II
  • 586 Views
  • 1 replies
  • 0 kudos

TIM2_CH1_ETR as an external event to clear OCxREF.

Posted on March 26, 2012 at 05:23Hi,     I'm trying to operate the TIM2_CH1_ETR as an external event to clear OCxREF. I have configured:1) PA0 as TIM2_CH1_ETR Alternate function and2) PB11 as TIM2_CH4 PWM output.I'm trying to implement what is descr...

mary11 by • Associate
  • 493 Views
  • 0 replies
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TIM2_CH1_ETR as an external event to clear OCxREF.

Posted on March 26, 2012 at 05:19Hi,     I'm trying to operate the TIM2_CH1_ETR as an external event to clear OCxREF. I have configured:1) PA0 as TIM2_CH1_ETR Alternate function and2) PB11 as TIM2_CH4 PWM output.I'm trying to implement what is descr...

mary11 by • Associate
  • 489 Views
  • 0 replies
  • 0 kudos

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
  • 1197 Views
  • 5 replies
  • 0 kudos

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...

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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  • 5 replies
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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 ...

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