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| Search found 9 matches |
| Author | Message |
|---|---|
 Topic: A/D converter performance..... |
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| Matthew Aurand Replies: 4 Views: 4835 |
 Forum: General CCS C Discussion Posted: Tue Apr 21, 2009 10:25 pm Subject: A/D converter performance..... |
| There are several factors that contribute to the performance of the ADC unit.
The basics for DC measurement include things like... 1. ADC Driver Stage: You want to drive the ADC input with a lo ... |
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| Topic: Output Pulse Jitter |
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| Matthew Aurand Replies: 8 Views: 7376 |
Forum: General CCS C Discussion Posted: Fri Mar 27, 2009 10:07 am Subject: Output Pulse Jitter |
| OK - PWM is not working at all even with code that should be fine.
set_pwm1_duty(100); setup_timer_2(T2_DIV_BY_4,127,1); setup_ccp1(CCP_PWM); PWM uses tim ... |
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| Topic: Output Pulse Jitter |
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| Matthew Aurand Replies: 8 Views: 7376 |
Forum: General CCS C Discussion Posted: Fri Mar 27, 2009 9:37 am Subject: Output Pulse Jitter |
| OK. The jitter is not one instruction but about 10uS peak-peak. The same jitter remains whether I do this:
output_low(OUTPUT); delay_us(out_width); output_high ... |
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| Topic: Output Pulse Jitter |
|
| Matthew Aurand Replies: 8 Views: 7376 |
Forum: General CCS C Discussion Posted: Thu Mar 26, 2009 6:26 pm Subject: Output Pulse Jitter |
| Hey Guys,
I am using a 16F819 to generate some output pulses for an RC-type servo (but my output is buffered by an inverter, so my PIC pulses are active-low, usually high level). I am experiencing ... |
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| Topic: Quick Signed Integer Question |
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| Matthew Aurand Replies: 3 Views: 3800 |
Forum: General CCS C Discussion Posted: Mon Mar 02, 2009 11:55 am Subject: Quick Signed Integer Question |
| Hey guys,
I am trying to convert a signed int to an unsigned int. What is the format of a signed int? I can't find the info in the compiler manual... I am using 32-bit ints. The MSB I assume ... |
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| Topic: PIC24/dsPIC® Compiler Comments |
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| Matthew Aurand Replies: 36 Views: 128904 |
Forum: General CCS C Discussion Posted: Thu Feb 07, 2008 3:20 pm Subject: PIC24/dsPIC® Compiler Comments |
| No luck with V4.066, any other ideas? | |
| Topic: PIC24/dsPIC® Compiler Comments |
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| Matthew Aurand Replies: 36 Views: 128904 |
Forum: General CCS C Discussion Posted: Wed Feb 06, 2008 6:39 pm Subject: External Clock Setup Questions |
| Hi all,
I am trying to setup my external 40MHz clock on a dsPIC33FJ64MC706 and having issues. I want to get as many MIPS with this as possible from this clock. The setup_oscillator constants are ... |
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| Topic: Interrupts and SPI Slaves |
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| Matthew Aurand Replies: 4 Views: 6433 |
Forum: General CCS C Discussion Posted: Fri Dec 21, 2007 11:41 am Subject: Interrupts and SPI Slaves |
| Wow, thanks guys!
PCM programmer: I read the thread you linked to and it is indeed a very similar problem to mine. Can you elaborate on reading the spi port between writes? I need to call a read fu ... |
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| Topic: Interrupts and SPI Slaves |
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| Matthew Aurand Replies: 4 Views: 6433 |
Forum: General CCS C Discussion Posted: Thu Dec 20, 2007 10:54 pm Subject: Interrupts and SPI Slaves |
| Hello,
I have a few basic questions for which I have had a hard time trying to find answers to. First, I have been using software spi support (spi_xfer()) for a setup in which I have two PIC's. ... |
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