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Audio_Sampling_frequency

Posted on March 17, 2017 at 10:30Hi all,I am working on memsmic1 application which is convert 1 bit pdm data into pcm. with sampling frequency 16 Khzif#define AUDIO_CHANNELS 2#define AUDIO_SAMPLING_FREQUENCY 16000 #if (AUDIO_SAMPLING_FREQUENCY == 16...

How to revive a dead MCU in-circuit?

Posted on December 18, 2016 at 15:11Hello all!  How's this for my very first question I purchased a 3d Printer on clearance with a tag that says Does not Start up.  No warranty.  I was ok with that.  As I'm a developer and a hardware hacker I knew I...

Resolved! STM32F437 timer input capture

Posted on March 16, 2017 at 20:16I have attempted to set up timer 4 channel 1 for input capture but unsuccessfully. The scope indicates that my 1KHz, 3vdc, 35 uSec pulses are making it to PD12 (TIM4, ch 1). However, CC1IF is never set. Although chan...

John Hite by Associate III
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Character match interrupt

Posted on March 17, 2017 at 13:29Hello,       I'm going to use the 'Character match interrupt' to identify the end (\n) of the message received from an USART. (on an STM32L4 Series ).Since I am quite new to this world, I did various tests, but I cou...

I want to adjust duty cycle.

Posted on March 17, 2017 at 07:39I used TIM1_channel 1  and channel 3 .TIM3 use ADC triigger.so I want to update TIM1 duty cylce.I wrote code below.HAL_TIM_PWM_Start(&htim1,TIM_CHANNEL_1); __HAL_TIM_SET_COMPARE(&htim1,TIM_CHANNEL_1,detact_pulse);HAL...

i want to use ADC with trigger mode

Posted on March 16, 2017 at 02:05I have used stm32f303vdt with cubemxbut i updated cubemx ver.4.19i want to use ADC with trigger mode ADC1 have trigger mode  but ADC2 don/'t have triggermodehow can i solve it?(before i used ADC1,2 trigger mode but W...

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STM32f429 TIM9 PWM setup

Posted on March 17, 2017 at 02:58I am sure this has been asked 1000 times, but I still cannot get the results I need.  I am trying to generate a 12800000 clock output on TIM9 with a 50% duty cycle.  I have looked at the code examples.  I have the AP...