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EXTIn: n > 4

Posted on March 29, 2012 at 07:30I have one external interrupt working fine, but I need to add a few more and I'm failing to understand how it all maps out.The one I have implemented is on PA3 and the ISR is void EXTI3_IRQHandler(void). Although the...

cmcquaid by • Associate
  • 502 Views
  • 2 replies
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Prescaler and timers

Posted on March 30, 2012 at 10:17How can I configurethePort Aprescalerto readevery 5seconds.What is theformulathat is used?Is there adocument that explains howI setthe timers?

eixp12 by • Associate II
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  • 4 replies
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STM32 Pulse Counter

Posted on March 28, 2012 at 17:29I wonder if someone could help me. I want to count the number of pulses occured each ''x'' time. I could use a timer configured to generate an interrupt each ''x'' time. And the interrupt handler of this timer shou...

tecnico23 by • Associate II
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  • 19 replies
  • 0 kudos

Ethernet MAC on 64 pin F2 processors

Posted on March 29, 2012 at 18:24The product literature and feature table in the datashee (page 12), all seem to say that Ethernet MAC is only available on 100 pin (and upwards) STM32 F2 devices. However, looking a bit further down the datasheet, it...

CAN TX, RX interrupt not working!

Posted on March 29, 2012 at 21:32 Hello, I'm trying to get the CAN Example ( http://www.keil.com/download/docs/asp) to work properly, but I have problems with the RX and TX interrupts. When the message was sent and is pending in r...

totally by • Associate II
  • 608 Views
  • 1 replies
  • 0 kudos

problem with virtual com port

Posted on March 29, 2012 at 11:33Hello to all,I have stm32-h107 board, i use eclipse and yagarto toolchain (my OS is windows7). I want to use the feature usb on the go to establish communication with my laptop. i downloaded the driver for virtual co...

dion by • Associate II
  • 617 Views
  • 2 replies
  • 0 kudos

Readout protection level 2 and bootloader

Posted on March 29, 2012 at 10:53Hello, I just try to make one of my prototypes secured and set ROP level 2. First in ST Link Utility, it took more than 10s and it finally said an error message, is this normal ? Then, now on this unit I cannot use t...

root by • Associate II
  • 349 Views
  • 1 replies
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