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Forum Posts

Failing to call interrupt handler

Posted on September 04, 2015 at 09:23Hi all, I have implemented a simple routine to drive a buzzer. The routine will enable a timer and will toggle state of the pin connected to the buzzer at different frequencies. The buzzer code is: void buzz(uint...

danesh by Associate II
  • 1 replies
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RTC Calibration - AN2604 wrong?

Posted on September 04, 2015 at 09:46Hi!AN2604 ( states a formula for calculating PPM. The formula is as following: f32_Deviation=((f32_AvgFreq-511.968)/511.968)*10...

trond by Associate
  • 0 replies
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Interfacing NAND flash K9F1G08U0B to stm32f103ZET6

Posted on September 01, 2015 at 12:13Hi, i have intefaced K9F1G08U0B to stm32f103ZET6 controller to store few images and use it later in my application, but i want to know is it possible to store multiple files with different offset address.  I came...

STM32F4 Interrupt/DMA/Array issue

Posted on September 03, 2015 at 19:21 I'm having a problem where when I try to access an array from within a timer interrupt callback, everything seems to fall apart. To keep it simple, I have: Timer 2 is set up to interrupt every 10us. ...

STM32F410 new devices

Posted on September 03, 2015 at 09:32Hello,in new HAL drivers in Cube 1.8.0 for F4xx, I found some defines for STM32F410Tx, STM32F410Cx and STM32F410Rx. I didn't found anything on st site so I'm wondering if there will be new series and why is nothi...

tm3341 by Associate II
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STM32F205 TIM1 Problem

Posted on August 22, 2015 at 13:26 Hello, I have a problem with my initalisiation code for an STM32F205RB Microcontroller. I want to use four PWM Output Channels on the TIM1, but only the Channel 4 work properly. The other channels d...

tih by Associate
  • 3 replies
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Slave mode trigger on STM32F411RE

Posted on September 02, 2015 at 15:38Hi, I'm trying to enable the timer 2 on a rising edge of a signal that i have connect on the tim2_ch1. I understand that the slave trigger mode of the timer can do that. I want to generate a signal on the tim2_...