Shenghao Feng

Activity

Comment on: Can DigitalOut generate a short-pulsewidth pulse? - Thanks! I was trying to generate a non-periodic signal, where I can set it to …
Shenghao Feng - 08 Aug 2013
Comment on: Can DigitalOut generate a short-pulsewidth pulse? - Thanks for your reply! Yes, I did reduce the wait time, and measured the pulse …
Shenghao Feng - 08 Aug 2013
Question asked: Can DigitalOut generate a short-pulsewidth pulse?: {{/media/uploads/Freddy/-----2.png}} in the code above, I tried to generate a pulse every 5 seconds. So …
Shenghao Feng - 07 Aug 2013
Comment on: can anyone explain the code of FastPWM.cpp to me? - Thank you very much. That helps!
Shenghao Feng - 07 Aug 2013
Comment on: can anyone explain the code of FastPWM.cpp to me? - Thanks for your patience. I see what you mean, but I wanna know which lines …
Shenghao Feng - 06 Aug 2013
Comment on: can anyone explain the code of FastPWM.cpp to me? - Thanks for your patience. I see what you mean, but I wanna know which lines …
Shenghao Feng - 06 Aug 2013
Comment on: How to use digitalout to generate a nonperiodic waveform as shown in the photo below? - Hello, thanks for you answer. But can you tell me why it's pretty high to …
Shenghao Feng - 06 Aug 2013
Comment on: Distortion square wave - Hi, I'm trying to understand the code of FastPWM.cpp in order to figure out how …
Shenghao Feng - 06 Aug 2013
Question asked: can anyone explain the code of FastPWM.cpp to me?: I don't quite understand this code. Could you please put comment beside the code? Thank …
Shenghao Feng - 06 Aug 2013
Question asked: why can FastPWM generate 48MHz frequency?: what is the difference between FastOWM.h and PwmOut.h? The latter one can only be up …
Shenghao Feng - 06 Aug 2013
Question asked: How to make a digitalout pin keep 1 for a certaine time,when another digitalout pin is working?: {{/media/uploads/Freddy/20130721_204632.jpg}} As shown in the photo above, how can i make the two pin work …
Shenghao Feng - 21 Jul 2013
Question asked: How to increase the frequency of DigitalOut?: I need to generate a non-periodic waveform with DigitalOut, but how can I achieve a …
Shenghao Feng - 21 Jul 2013
Comment on: what is the frequency of the clock? - Thank you. Yes, I see what you meant. But I just wanna know how long …
Shenghao Feng - 21 Jul 2013
Question asked: How to use digitalout to generate a nonperiodic waveform as shown in the photo below? : {{/media/uploads/Freddy/20130720_230647.jpg}} Is there anyone who can show me the specific code? Thank you !
Shenghao Feng - 20 Jul 2013
Question asked: what is the frequency of the clock?: If the code is like this below, how long will the led be on every …
Shenghao Feng - 20 Jul 2013
Question Distortion square wave marked as solved by answer: I assume you are using the LPC1768. With default mbed libraries you should be able …
Shenghao Feng - 08 Jul 2013
Comment on: Distortion square wave - Thanks! That really helps.
Shenghao Feng - 08 Jul 2013
Question What is F_CLK? marked as solved by answer: I assume you're talking about this version of the fastpwm library. I'm basing my answer …
Shenghao Feng - 08 Jul 2013
Comment on: What is F_CLK? - Thanks!!! I really appreciate you could help me out.
Shenghao Feng - 08 Jul 2013
Comment on: What is F_CLK? - Thanks for your reply. But actually I am using this library http://mbed.org/users/Sissors/code/FastPWM/ This allows faster …
Shenghao Feng - 08 Jul 2013