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CAN Initialization on extremely high traffic

Posted on March 17, 2017 at 21:30Hi, my software stucks on CAN_MSR_INAK acknowledge when I try to init CAN in device that is connected to network with very high traffic. From reference manual I've found that:  Once 11 consecutive recessive bits have...

SMTF32F1x CAN bus Error Frame

Posted on February 17, 2017 at 18:54Hi,I am seeing Error Frame from one of our project using STM32F1x MCU. Any recommendation how to debug this issue?Thanks,Dick112.227000 1 108 Rx d 8 db 1f c0 69 ee 89 e8 3e 112.227000 1 109 Rx d 8 86 31 94 43 00 ...

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...