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| 08:49.10 | av500 | SpeedEvil: we just bought that one |
| 08:49.14 | av500 | not from ebay though |
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| 11:04.55 | SpeedEvil | The hp one? |
| 11:41.11 | av500 | yes |
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| 11:46.09 | SpeedEvil | It is nice. |
| 11:46.23 | SpeedEvil | I need to interface it to my PC to make it nicer. |
| 11:46.56 | SpeedEvil | My only issue with it so far is that the thermal system will not work if it is placed with display upwards. |
| 11:46.59 | SpeedEvil | So don't do that. |
| 12:45.25 | g1powermac | hmm, anyone know what would cause errors only on the pc receiving side of serial com? |
| 12:46.23 | g1powermac | the chip I'm using receives chars from the pc fine, but when it sends stuff back, I get some random errors |
| 13:00.42 | SpeedEvil | your cock |
| 13:00.46 | SpeedEvil | Your clock |
| 13:01.06 | SpeedEvil | Check that the clocks are within 2% or so |
| 13:03.06 | g1powermac | well, I'm using a 11.059mhz crystal with the proper settings to give the correct baud rates |
| 13:03.17 | g1powermac | I've even changed out the crystal to make sure |
| 13:03.28 | g1powermac | and tried different baud rate settings |
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| 13:23.48 | av500 | looked at it with a scope? |
| 13:26.37 | g1powermac | not yet |
| 13:26.51 | g1powermac | need to dig that out. . . |
| 13:28.14 | g1powermac | btw, I've also tried different serial cables and different OS on the pc (linux instead of windows) just to be safe |
| 13:32.33 | av500 | looks more like an error on the physical side |
| 13:36.31 | g1powermac | the question is where |
| 13:38.43 | g1powermac | ok, definitely not at the pc side, just shorted out the RX and TX lines on the cable and the pc transmits and receives just fine |
| 13:43.50 | SpeedEvil | marginal voltage may also be the answer |
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| 13:44.03 | SpeedEvil | try changing vcc +-5% on the uart |
| 13:45.08 | g1powermac | hmm I'm using a preset 3.3v regulator, can't really change voltage |
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| 13:47.43 | iospace | gods fucking dammit |
| 13:47.47 | iospace | i come in early today, expecting good news about the board I need to test. The news? Anything but |
| 13:56.27 | g1powermac | SpeedEvil, aha, I figured it out, the max3233 I'm using has a weird auto-shutdown feature that supposedly shouldn't have affected anything |
| 13:56.55 | g1powermac | but, if I force that to not shutdown it works perfectly |
| 13:57.10 | SpeedEvil | :) |
| 14:00.27 | Kasreyn | Murphy, technology is doomed. |
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| 20:32.32 | Fritchov | I want to invest in a devkit but since these things cost a bit, which brand do you suggest I go for? AVR, PIC, Freescale, Blackfin etc? I heard PIC is not doing so well, is that true? Is AVR the best bet? This is for serious hobby projects and potential real market products. |
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| 20:40.41 | SpeedEvil | What do you wish to do with it. |
| 20:40.54 | SpeedEvil | There are dev kits aailable at under $5 |
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| 20:50.56 | Fritchov | well all kinds of embedded systems, step counter(pedometer), wake up alarm bell, spy bug, inverted pendulum controller etc |
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| 21:28.17 | Fritchov | MCU:s can geenrally be powered by the PC right? i dont need a power supply? |
| 21:29.00 | roxfan | most cheap kits are usb-powered |
| 21:34.02 | Fritchov | i mean powered when they run as well, not just when programming them |
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| 22:06.00 | Fritchov | usb => no on chip debug? |
| 22:08.14 | Fritchov | jtag=not supported by all computers? |
| 22:10.25 | roxfan | a common approach is that there's an additional chip on the board which handles jtag/flashing/serial etc |
| 22:10.51 | roxfan | anyway, most of them are pretty easy to use |
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| 22:21.10 | Fritchov | https://www.elfa.se/elfa3~se_sv/elfa/init.do?item=73-216-95&toc=0&q=avr |
| 22:21.21 | Fritchov | can I do on chip debug with that? |
| 22:21.34 | Fritchov | https://www1.elfa.se/data1/wwwroot/assets/datasheets/STK200_eng_tds.pdf |
| 22:25.27 | roxfan | dunno much about avr stuff |
| 22:25.43 | roxfan | it seems they bundle some kind of debug adapter (the black box) |
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| 22:57.40 | Fritchov | how big difference is it between a simulator and and in-circuit debugger when it comes to interrupts? |
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| 23:15.16 | Fritchov | http://microcontrollershop.com/product_info.php?products_id=2230 |
| 23:15.30 | Fritchov | The STK200 supports in-system programming only for the following AVRmega microcontrollers |
| 23:15.52 | Fritchov | so do they mean they are less or more supproted? im planing on using a tinyAVR and i want simulator support and ISP |
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