| 00:31.20 | MonMotha | Mirell: :) |
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| 04:28.52 | ds2 | *plink* |
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| 17:10.13 | chiques | chiques: how about using an actual voltmeter? You can pick them up for like a dollar online or at Harbor Freight and friends" ... MonMotha I'm trying to design a Lithium Ion charger, I need the MCU to know what the voltage of the two systems are at all times. |
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| 17:37.49 | workrat | what is this about LI chargers? |
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| 18:36.35 | chiques | workrat, I'm trying to build a charger using either my Basic Stamp, AVR32 STK1000 or my HC12 Dragon12 board but I suck at programming. I'm good with hardware but I'm having a heck of a time understand how to interface an analog to digital converter (to measure the voltage into my program) with any of my EVB's. |
| 18:38.15 | roxfan | afaik usually you need reference voltage for the adc |
| 18:42.31 | roxfan | did you check the datasheets? |
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| 18:43.47 | chiques | I think my Dragon12 board is the only board that has an ADC on board. I'm also looking into interfacing a Max186 chip with the Basic STamp or the STK1000 (since they dont' have an ADC onboard) |
| 18:43.55 | roxfan | here's an example for atmega128, maybe it will work with avr32 http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=56429 |
| 18:44.14 | roxfan | hmm |
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| 18:45.29 | chiques | roxfan, That looks like a good tutorial. I'll go over it. From what I understand my STK1000 does not have an ADC on it. I'll have to check the docs on it again. |
| 18:46.27 | roxfan | ah, it seems it has a dac but not adc |
| 18:46.59 | workrat | arent there relatively cheap all-in-one charging solutions? |
| 18:48.08 | chiques | workrat, Not for large cell arrays. |
| 18:48.21 | workrat | oh-ho |
| 18:48.43 | roxfan | it seems dragon12 does have an adc |
| 18:48.56 | chiques | Right now I simply need to be able to control the charging of a single 3.6V cell |
| 18:49.05 | roxfan | "Potentiometer trimmer pot for analog input" |
| 18:49.43 | chiques | roxfan, That's great! Now I need to learn how to use it :/ |
| 18:49.52 | roxfan | http://www.freescale.com/files/microcontrollers/doc/ref_manual/S12ATD10B8CV2.pdf |
| 18:51.14 | chiques | roxfan, Is that what "4.2.4 Analog-to-Digital (A/D) Machine" is? |
| 18:51.16 | workrat | damn, thats a ghetto a/d machine right there |
| 18:51.24 | workrat | and yes |
| 18:51.24 | chiques | lol |
| 18:52.59 | workrat | thats also a terrible datasheet |
| 18:53.28 | chiques | workrat, I thought it was me...it simply states what it does but not how use it. Am I missing something...? |
| 18:53.59 | workrat | there should be a more descriptive datasheet somewhere on that specific processor |
| 18:54.17 | workrat | oh wait, 3.3.13 |
| 18:54.28 | chiques | workrat, A couple of datashets came with the board. I can look through those |
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| 18:55.57 | chiques | I"m confused here. That datasheet is for "ATD_10B8C". I have a MC9S12 chip |
| 18:57.02 | chiques | The "Getting Started Manual" is titled "EVBplus MC9S12DP256 Development Board" |
| 18:57.23 | roxfan | your cpu contains that block |
| 18:57.32 | chiques | "block:? |
| 18:58.00 | roxfan | Section 9 Analog to Digital Converter (ATD) Block |
| 18:58.00 | roxfan | Description |
| 18:58.00 | roxfan | There are two Analog to Digital Converters (ATD1 and ATD0) implemented on the MC9S12DT256. |
| 18:58.00 | roxfan | Consult the ATD_10B8C Block User Guide for information about each Analog to Digital Converter |
| 18:58.01 | roxfan | module. |
| 18:58.18 | chiques | roxfan, OK |
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| 18:59.26 | chiques | Is there and IDE which will run in Linux that you guys recommend for the MC9S12 boards? |
| 18:59.54 | workrat | doesnt that devboard that you got come with an IDE? |
| 19:00.05 | roxfan | check also http://www.freescale.com/files/microcontrollers/doc/app_note/AN2428.pdf |
| 19:00.15 | workrat | oh wait linux |
| 19:01.00 | roxfan | and http://www.freescale.com/files/microcontrollers/doc/app_note/AN2429.pdf |
| 19:01.02 | chiques | workrat, Yeah, I have the IDE working on Win XP but I like booting into XP as much as I like picking up after my dog. |
| 19:02.41 | roxfan | http://gcc-hcs12.com/downloads.php here's something but i think the linux toolchain is commandline only |
| 19:03.10 | roxfan | http://gcc-hcs12.com/downloads/HCS12_11_ATD.zip <- might be useful |
| 19:03.50 | chiques | roxfan, I have AVR32 studio running in Ubuntu. I've been through the toolchain drama so it's not new to me. |
| 19:04.16 | roxfan | just saying |
| 19:04.50 | chiques | I appreciate the heads up |
| 19:27.38 | chiques | That site is awesome! The tutorials rock! I can't believe I never ran into this. |
| 19:40.59 | roxfan | which site? |
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| 20:07.07 | chiques | roxfan, http://gcc-hcs12.com/downloads.php |
| 20:07.23 | roxfan | ok |
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| 23:55.52 | pat123 | hi |
| 23:57.26 | pat123 | i'm having trouble finding a hello1.ko file |
| 23:58.12 | pat123 | I was wondering if you could help |