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Forum Posts

SPI modes?

Posted on May 27, 2013 at 13:51 Hello! This is my code for SPI: RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE); SPI_InitTypeDef spi; spi.SPI_Direction = SPI_Direction_2Lines_FullDuplex; spi.SPI_Mode = SPI_Mode_Master; spi....

STM32 and rotary encoder from Alps

Posted on May 25, 2013 at 11:00Hello, i have problem with control of simple rotary encoder form Alps (or Piher | Bourns) on STM32. Does anyone have a ready solution. Best regards Andrew #poorly-framed-question #stm32

digital sampling of GPIO

Posted on May 26, 2013 at 00:35Hi, is it possible to sample GPIOA Bit7-0 into SRAM as byte and to have kind of ''Clk'' nonPWM output on other GPIO , with higher speed than 20MHz on STM32F103 72MHz ? this gives me 10MHz clk output on PC2:  Buffer_pt...

Is my GPIO pin configured correctly?

Posted on May 25, 2013 at 00:12 Hello! I'm new to micro controller programming. I have been told to ''poll a pin'' and perform a specific action if this pin ''goes low''. So I wrote this code to ''poll'' a PD10 pin on my board: GPI...

ADC Bug

Posted on May 20, 2013 at 12:17Hi guys, i use am stm32f0 microcontroller.I've a problem about the ADC channel 13 (PC3 pin) and PA3 pin.when i connect something to PA3 pin seems that the ADC PC3 pin reads the PA3 pin value.this is my ADC configuratio...

pietro2 by Associate II
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How DO I switch from TIM4 CCP1 ISR to TIM4 CCP2 ISR

Posted on May 25, 2013 at 17:31Hello, I have a program where by after executing TIM4 CCP1 interrupt routine for a specified number of times, I disable TIM4 CCP1 Interrupt and enable  TIM4 CCP2 interrupt in TIM1 CCP4 Routine .TIM1 CCP4 ISR check for ...

difference btw system reset and poweron reset

Posted on May 25, 2013 at 12:42hi 1.)i have a little confusion, if controller can differentiate between system reset and power on reset itself?mean i want to skip few lines of code on system reset but not on power on reset2.) i have a stm32f4 discov...

bilal by Associate II
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