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jspencer
Joined: 22 Dec 2003
Posts: 57
Location: Boise, ID USA
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| MCP9700 C library |
 Posted: Fri Aug 11, 2006 12:56 pm |
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I'm looking at using the MCP9700. Does anyone know if there is a C library already out there that has been written? It can be in either CCS C or Microchip C. I've got the one in assembly and just wanting to know if there is a better starting point out there. If not then I'll just port the assembly code.
Thanks,
jspencer |
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kender
Joined: 09 Aug 2004
Posts: 768
Location: Silicon Valley
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| Posted: Fri Aug 11, 2006 5:29 pm |
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From what I could understand from the MCP9700 datasheet, it’s an analog sensor. So if you know how to read the A/D on a PIC, you can get the reading with just a few lines of code.
| Code: |
// assuming that the A/D is set up already
int16 iReading;
set_adc_channel(YOUR_MCP9700_CHANNEL); // switch the A/D channel
delay_us(10); // give the mux some time to settle
iReading = read_adc(); // get the reading from the A/D
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Well, this could be a starting point. Look up also the code for LM35 temperature sensor in the forum. It’s another analog temperature sensor similar to MCP9700. |
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jspencer
Joined: 22 Dec 2003
Posts: 57
Location: Boise, ID USA
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| Posted: Mon Aug 14, 2006 8:54 am |
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Thanks for the info and taking the time to look at the datasheet. I should have been a little more specific in what I was looking for. I was looking for the calibration and temperature compensation routines. I think that I got most of it ported to C now from the assembly, just need to run some tests and make sure that everything is working as I would expect.
Thanks,
jspencer |
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Darkforces
Joined: 16 Apr 2012
Posts: 8
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| Help with temperature using mcp9700 |
| Posted: Tue Apr 17, 2012 2:13 pm |
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| jspencer wrote: | Thanks for the info and taking the time to look at the datasheet. I should have been a little more specific in what I was looking for. I was looking for the calibration and temperature compensation routines. I think that I got most of it ported to C now from the assembly, just need to run some tests and make sure that everything is working as I would expect.
Thanks,
jspencer |
Hi,
Can you help me with your docs about temperature measurements with mcp9700? If possible send me by email.
Thanks,
Darkforces |
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