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High Resolution Light Measurement

Started by monewwq1, Sep 24 2011 03:02 PM

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2 replies to this topic

#1 monewwq1

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Posted 24 September 2011 - 03:02 PM

I've decided to dig in to PIC32 programming in order to get full 1Hz to 1MHz display resolution from my TSL235R light-to-frequency sensor.

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#2 Mario Vernari

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LocationVenezia, Italia

Posted 24 September 2011 - 03:15 PM

Hi Nickduino!...First off, I DO NOT want to start any other ambiguous discussion, or something like that! I am sooooo happy that you have found satisfaction by realizing your goal. I would only point that by using the Input Capture, you should able to reach a counting much faster. That's because it is NOT the program that counts, but the hardware itself: the program has only to read the counter value. The Input Capture stage is also present (named as TC) in the Atmel's chips, such as the AVR and ARM (the Netduino's). By hacking the Netduino firmware you will also able to take advantage of the TC section. However, what I wanted to say in the previous post is that the project is much faster to realize having an extra microcontroller, as your PIC. Again, happy to read your success! Cheers

Biggest fault of Netduino? It runs by electricity.

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#3 monewwq1

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104 posts

Posted 24 September 2011 - 11:03 PM

Hi Nickduino!...First off, I DO NOT want to start any other ambiguous discussion, or something like that!
I am sooooo happy that you have found satisfaction by realizing your goal.
I would only point that by using the Input Capture, you should able to reach a counting much faster. That's because it is NOT the program that counts, but the hardware itself: the program has only to read the counter value.
The Input Capture stage is also present (named as TC) in the Atmel's chips, such as the AVR and ARM (the Netduino's). By hacking the Netduino firmware you will also able to take advantage of the TC section.
However, what I wanted to say in the previous post is that the project is much faster to realize having an extra microcontroller, as your PIC.
Again, happy to read your success!
Cheers

Thank you Mario!