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Reset of Timer

Posted on March 07, 2014 at 03:15 Hi , I have a timer programmed to monitor a timeout event using timer interrupt(every 100ms). If the event occurs within the time (100ms) i would like to refresh the timeout. Is the below code a...

stm32f405, help on jtag programming

Posted on March 06, 2014 at 00:08Dear all, i am trying to program a stm32f405 just soldered on a prototype pcb. Seems jtag TAP is accesible, but for some reason i cannot halt the cpu: Open On-Chip Debugger 0.7.0 (2013-08-04-10:13) Licensed under GNU...

Angelo1 by • Associate II
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InitStructure Significantly Changes USART Output

Posted on March 05, 2014 at 23:37Hi all, I'm hoping this is an easy one and just something I am missing. A google didn't return anything obviously relating to my problem. I have some messy code that sets up my USART peripheral correctly. I have used...

i_ by • Associate II
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  • 11 replies
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Analog watchdog/STM32F4

Posted on March 06, 2014 at 09:37Hi I still could not understand the operation of the analog watchdog. For example I want to protect a short ciruit in the H-bridge ; so I put the shunt resistor and set the limit of the maximum current ; for exampl...

reference manual for LCD

Posted on March 06, 2014 at 09:55Hi everyone. today I'm newbie in LCD. I discover the LCD LCM DT192x64 but I don't have any ebook or reference manual about that, I already searched on google but I get another. If you have any book relative with my ...

STM32F4 DISCOVERY wrong EXTI port

Posted on March 04, 2014 at 23:10 I'm trying to do a pin interrupt (EXTI).   My code:  // IRQ handler for EXTI0 void EXTI0_IRQHandler ( void ) { EXTI->PR = 1UL << 0; buttonPress = 1; } int main ( void ) { // some system stuff here ... ...

ppkettu by • Associate II
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  • 3 replies
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STM32f4 Discovery Timer Clock Problem

Posted on March 06, 2014 at 11:23Hi you all, I am trying to produce a low jittered sharp clock signal at 96kHz freq. for my I2S application. The purpose is obtaining a interrupt at every 96kHz cycle (10.4us) and with each interrupt, sending one samp...

Speex encoding for voice data on STM32F407

Posted on March 06, 2014 at 03:14Hi, I use speex encoding with Stm32f407VG microcontrollers follows application note ''Vocoder demonstration using a Speex audio codec on STM32F101xx and STM32F103xx microcontrollers'' but differrent: I use an codec I...

nhandt3 by • Associate II
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  • 4 replies
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Time spent in WFI / Sleep

Posted on March 05, 2014 at 22:41Hello, I'd like to measure precisely the time spent in WFI / Sleep mode. Is there a non-too-intrusive way of doing that in software ? Thomas.

root by • Associate II
  • 1012 Views
  • 3 replies
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interference between IAP and user application

Posted on March 05, 2014 at 10:29Hi,I can't use the same timer in IAP code and user application code in the same time, even if I reset all registers and interrupts concerning this timer before jump to user application address. Note that I reallocate...

issa by • Associate II
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  • 7 replies
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