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  Topic: RS232-dspic30f4013
anhphong208

Replies: 16
Views: 21250

PostForum: General CCS C Discussion   Posted: Thu Jul 03, 2014 7:44 am   Subject: RS232-dspic30f4013
Hi,

First, learn to use the 'Code' buttons when posting your code. This will preserve the formatting, and make the code much easier to read.

The next thing I would do is to figure out a 'protoco ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Thu Jul 03, 2014 7:15 am   Subject: Help with PWM on dsPIC 30f4013
Hi,

I think I'm going to give up on this thread. The first time I asked what was the voltage being applied to AN0, you said '5V', and it was supplied by an LM35. I pointed out that this was most li ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Wed Jul 02, 2014 12:11 pm   Subject: Help with PWM on dsPIC 30f4013
Hi,

I think I'm going to give up on this thread. The first time I asked what was the voltage being applied to AN0, you said '5V', and it was supplied by an LM35. I pointed out that this was most li ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Wed Jul 02, 2014 12:06 pm   Subject: Help with PWM on dsPIC 30f4013
Hi,

I think I'm going to give up on this thread. The first time I asked what was the voltage being applied to AN0, you said '5V', and it was supplied by an LM35. I pointed out that this was most li ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Wed Jul 02, 2014 11:44 am   Subject: Help with PWM on dsPIC 30f4013
Hi,

You've got to learn to troubleshoot. I've been helping you along the way with the hopes that you would do more and I would do less. So far that isn't happening. I understand the language issues ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Wed Jul 02, 2014 8:21 am   Subject: Help with PWM on dsPIC 30f4013
Hi,

Setting aside the timer issue for the moment, is the A/D actually working as expected? What numeric value is being returned? How are you converting the numeric A/D value to temperature? Are you ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Wed Jul 02, 2014 8:09 am   Subject: Help with PWM on dsPIC 30f4013
Hi,

Setting aside the timer issue for the moment, is the A/D actually working as expected? What numeric value is being returned? How are you converting the numeric A/D value to temperature? Are you ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Tue Jul 01, 2014 12:32 pm   Subject: Help with PWM on dsPIC 30f4013
Why set the timer?.

On the PIC30's, you can program the reset point for each timer. Setting the timer to a value is pointless on these chips. He is doing this for Timer2, but not for Timer1....
.. ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Tue Jul 01, 2014 10:17 am   Subject: Help with PWM on dsPIC 30f4013
Hi,


...........the voltage is 5V on this pin........."LM35" is connected to AN0....

Now, that doesn't seem correct, does it??? You have some sort of a wiring or hardware problem! The ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Tue Jul 01, 2014 8:14 am   Subject: Help with PWM on dsPIC 30f4013
Hi,

You need to add another boolean variable, and move the A/D read and math out of the interrupt.


int1 Read_Analog_Ready = False; //This is a global variable

if(dem==time_lay_mau) ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Tue Jul 01, 2014 1:10 am   Subject: Help with PWM on dsPIC 30f4013
Hi,

Here is what I mean about 'Errors':


#use rs232 (baud=9600, parity=N, xmit=pin_F3, rcv=pin_F2, bits = 8, Errors)


Regarding the 'flag' to signal Main() that a new duty cycle has been re ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Mon Jun 30, 2014 1:14 am   Subject: Help with PWM on dsPIC 30f4013
Hi,

You ignored my advice from your other thread (on the same project) to add 'Errors' to your #use_rs232 directive, and you've ignored Ttelmah's advice to set a flag in your ISR when duty changes, ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Mon Jun 30, 2014 12:08 am   Subject: Help with PWM on dsPIC 30f4013
He doesn't understand English. He can't understand your comments.
His first post was copied from this thread:
http://www.ccsinfo.com/forum/viewtopic.php?t=32294
He doesn't understand English. He ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Sun Jun 29, 2014 11:56 pm   Subject: Help with PWM on dsPIC 30f4013
Hi,

You ignored my advice from your other thread (on the same project) to add 'Errors' to your #use_rs232 directive, and you've ignored Ttelmah's advice to set a flag in your ISR when duty changes, ...
  Topic: Help with PWM on dsPIC 30f4013
anhphong208

Replies: 27
Views: 37183

PostForum: General CCS C Discussion   Posted: Sun Jun 29, 2014 6:21 pm   Subject: Help with PWM on dsPIC 30f4013
thanks...i have done...PWM good work...
..............can you check out the Timer1 interrupt writing code right?
.................................................................................... ...
 
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