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  Topic: Incrementing Frequency by 50 Hz after X pulses
bassn1

Replies: 8
Views: 8557

PostForum: General CCS C Discussion   Posted: Wed Aug 03, 2011 4:13 pm   Subject: oops
oops,


see above code
Ok I just want to decrement PR2 , but it tells me it must evaluate to a constant?
I looked in the .h file and I dont even see PR2>?
  Topic: Incrementing Frequency by 50 Hz after X pulses
bassn1

Replies: 8
Views: 8557

PostForum: General CCS C Discussion   Posted: Wed Aug 03, 2011 4:11 pm   Subject: asm

#define NUM_PULSES 10000

//======================================
void main()
{
int16 count;

// Setup CCP1 for PWM at 244 Hz and 50% duty cycle.
setup_ccp1(CCP_PWM); ...
  Topic: Incrementing Frequency by 50 Hz after X pulses
bassn1

Replies: 8
Views: 8557

PostForum: General CCS C Discussion   Posted: Wed Aug 03, 2011 4:02 pm   Subject: Incrementing Frequency by 50 Hz after X pulses
The duty cycle wont be constant in that range?
If i set it to 50, should it not stay at 50?

Note: im only changing period, not prescale.
Post and pre are constant
  Topic: Incrementing Frequency by 50 Hz after X pulses
bassn1

Replies: 8
Views: 8557

PostForum: General CCS C Discussion   Posted: Wed Aug 03, 2011 2:59 pm   Subject: Thanks
Thanks for the reply PCM, I am not trying to get something for nothing I was just too embarrassed of my code!!!! I found a another potential solution.

Since I'm only working from 250-1000Hz,

If ...
  Topic: GSM Modem AT+CMGS Error
bassn1

Replies: 4
Views: 14801

PostForum: General CCS C Discussion   Posted: Wed Aug 03, 2011 10:32 am   Subject: GSM Modem AT+CMGS Error
What type of gsm module are you using?
  Topic: Incrementing Frequency by 50 Hz after X pulses
bassn1

Replies: 8
Views: 8557

PostForum: General CCS C Discussion   Posted: Wed Aug 03, 2011 10:28 am   Subject: Incrementing Frequency by 50 Hz after X pulses
CCS version 4.029

Hello, I was trying to implement the following code such that
I get a rough frequency ramp from 250-1000Hz at 50% DC.
Precision doesn't matter I'm just needing this to get do a ...
 
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