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| Search found 59 matches |
| Author | Message |
|---|---|
 Topic: my PWM problem |
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| mvaraujo Replies: 7 Views: 17986 |
 Forum: General CCS C Discussion Posted: Thu Mar 17, 2005 7:02 am Subject: my PWM problem |
| Hi giberon,
Examples presented by PCM programmer represent very well what I mentioned. Study them and you'll get a way to generate software PWM. One example uses a 8bit (RTCC, TMR0) counter but it ... |
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| Topic: my PWM problem |
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| mvaraujo Replies: 7 Views: 17986 |
Forum: General CCS C Discussion Posted: Wed Mar 16, 2005 2:18 pm Subject: my PWM problem |
| Hi!
I would calculate like this: 1) Consider the PWM period that you need, the Tosc and calculate the prescaler that goes near to the result (if there is one, it can happen to be impossible to m ... |
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| Topic: Float division with two int16 |
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| mvaraujo Replies: 12 Views: 20777 |
Forum: General CCS C Discussion Posted: Wed Mar 16, 2005 12:57 pm Subject: Float division with two int16 |
| Hi Matt,
Thanks for the reference! I was just kidding with my last message. We're all learning, right? At least in different levels! Take care! Marcus |
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| Topic: Float division with two int16 |
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| mvaraujo Replies: 12 Views: 20777 |
Forum: General CCS C Discussion Posted: Wed Mar 16, 2005 12:37 pm Subject: Float division with two int16 |
I don't know if you "guest" intended to expose my ignorance on C but I can say that your damn right! 
I started working on uc assembly, went to C compilers to make some things easier but I'm ... |
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| Topic: Float division with two int16 |
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| mvaraujo Replies: 12 Views: 20777 |
Forum: General CCS C Discussion Posted: Wed Mar 16, 2005 12:17 pm Subject: Float division with two int16 |
| Hi SherpaDoug,
Really? I don't work very often with floats on PIC. So what do you suggest? Best regards, Marcus |
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| Topic: Float division with two int16 |
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| mvaraujo Replies: 12 Views: 20777 |
Forum: General CCS C Discussion Posted: Wed Mar 16, 2005 11:41 am Subject: Float division with two int16 |
| Bruno,
I don't have the compiler here to test up, but try to: Time = (float) Capacity/current; It'll force data casting before calculating. Best regards, Marcus |
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| Topic: float printing BUG workaround |
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| mvaraujo Replies: 25 Views: 41888 |
Forum: General CCS C Discussion Posted: Wed Mar 16, 2005 11:33 am Subject: float printing BUG workaround |
| Kyle,
Out of the compiler discussion, is it really necessary going for float on the code? I always keep it as simplest integer and use integer operations to get decimal parts. It goes quick ... |
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| Topic: Tutorial on CCS-PCH for MPLAB IDE v7.01 |
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| mvaraujo Replies: 1 Views: 5132 |
Forum: General CCS C Discussion Posted: Mon Feb 28, 2005 2:38 pm Subject: Tutorial on CCS-PCH for MPLAB IDE v7.01 |
| Consider taking a look on the example files that come with CCS. See also help files for CCS and MPLAB.
Using CCS inside MPLAB is relatively straight forward. Marcus |
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| Topic: SQRT of an 32bit integer |
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| mvaraujo Replies: 4 Views: 49098 |
Forum: Code Library Posted: Tue Nov 30, 2004 12:36 pm Subject: SQRT of an 32bit integer |
| treitmey,
Did you have opportunity to check it out? Sorry, I've posted there, but here is the place for it. When I logged in to post the code, you already did. Marcus |
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| Topic: square roots to the nearest integer, without floating point |
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| mvaraujo Replies: 3 Views: 9872 |
Forum: General CCS C Discussion Posted: Tue Nov 30, 2004 7:56 am Subject: SQRT of an 32bit integer, posting code. |
| Hi All,
This message chain is old but I decided to post this code because it is pretty simple and can help other people that need to square a 32bit integer. It's small and fast, the best I've found ... |
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| Topic: 18F452 ADC Stops |
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| mvaraujo Replies: 3 Views: 7999 |
Forum: General CCS C Discussion Posted: Mon Nov 08, 2004 1:20 pm Subject: 18F452 ADC Stops |
| Yep, Ttelmah is right!
Consider using timer interrupt only to set a flag informing that it's time to convert and keep the AD state machine on the main loop. Respect the time to charge internal ... |
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| Topic: Problem with WRTD Fuse |
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| mvaraujo Replies: 4 Views: 8550 |
Forum: General CCS C Discussion Posted: Mon Nov 08, 2004 1:16 pm Subject: Problem with WRTD Fuse |
| What do you mean with external write? Removing the chip and programming externally? | |
| Topic: How to write 16bit using WRITE_EXT_EEPROM( address, value ); |
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| mvaraujo Replies: 3 Views: 9197 |
Forum: General CCS C Discussion Posted: Wed Oct 06, 2004 11:28 am Subject: How to write 16bit using WRITE_EXT_EEPROM( address, value ); |
| You can save two bytes in sequence! One in each address! | |
| Topic: I2C slave address - Choosing address for a slave |
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| mvaraujo Replies: 3 Views: 8570 |
Forum: General CCS C Discussion Posted: Tue Oct 05, 2004 11:01 am Subject: I2C slave address - Choosing address for a slave |
| Ronald,
That's exactly what I did before! Considering that few ranges that are reserved (0000xx, 1111xxxx, etc) you would take any number, right? I understand the issue involving the R/W LSB bit ... |
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| Topic: I2C slave address - Choosing address for a slave |
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| mvaraujo Replies: 3 Views: 8570 |
Forum: General CCS C Discussion Posted: Tue Oct 05, 2004 10:49 am Subject: I2C slave address - Choosing address for a slave |
| Hi!
How do you guys choose addresses for your I2C slave devices? I have a situation that I'm communicating some different circuit boards using I2C (they are different PWBs but, they are inside ... |
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