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basicx · Discussion list for the BasicX family of microcontroller chips
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Messages 22321 - 22351 of 23212   Oldest  |  < Older  |  Newer >  |  Newest
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22321
Here's the resulting filament with 0.8% PWM applied. Both the color of the glass and the apparent intensity of the filament are false, apparently due to the IR...
Tom Becker
b19063
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Sep 1, 2007
7:38 pm
22322
Hello fellows I'm developing a project on which I'll use an analog pressure sensor with 4-20mA output. The thing is this sensor will be 500m apart from the...
David Sousa Mendes
davidsousame...
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Sep 3, 2007
10:55 am
22323
I haven't used SPI or serial communicatioins, so the most basic explinations will be appreciated. I will be using the BX-24 as a slave device for its...
maxvtol
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Sep 3, 2007
11:11 am
22324
As far as I know, the maximum distance for a current loop is limited by the resistance of the cable itself. Most common 'off the shelf' controllers will give...
Don Kirby
psyclopedia
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Sep 3, 2007
2:12 pm
22325
This seems to be a recurring theme- but I can't find a definitive answer. I have a BasicX development system. I have two different basicX devices, one a Bx24p...
logpieye
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Sep 4, 2007
11:12 am
22326
... My guess is the details-to-follow are in the next sentence in BX-24 Errata: "*2.* The BX-24p does not work with the Large Green BasicX Development Station....
Tom Becker
b19063
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Sep 4, 2007
11:56 am
22327
Can I use ShiftOut on pin 2? I assume since I am using InputCapture I can't use Com3 on the BX-24. And which clock pin should I use to get the fastest (up to...
maxvtol
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Sep 4, 2007
2:13 pm
22328
... No; BX-24 pin 2 is not an output, and pins 1 and 2 are dedicated to the hardware UART of the machine. In addition to working with the BX-24 IDE while...
Tom Becker
b19063
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Sep 4, 2007
2:53 pm
22329
Thanks for the reply, Tom. I realize this can be done much better by someone who knows what there doing, but I am barely getting the hang of the BX24 using...
maxvtol
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Sep 4, 2007
4:12 pm
22330
... the BX to the ARMmite? ShiftOut can only handle one byte maximum, and the speed quote is "for compatibility with IC2 devices the bit rate is less than...
Tom Becker
b19063
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Sep 4, 2007
4:49 pm
22331
Tom, thank you for the link to the schematic - so many things are right in front of you if you know where to look! I do have a hardware reset for the device-...
logpieye
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Sep 4, 2007
5:37 pm
22332
FWIW, I have received and tried an Ametherm MS22-10008 8-Amp NTC thermistor Inrush Current Limiter. It works extremely well - there is _no_ inrush - but only...
Tom Becker
b19063
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Sep 4, 2007
6:13 pm
22333
The ARMmite supports async serial, so is 115.2kbaud realistic on COM1? If I can find an SPI solution, is a pullup resistor still required as noted in Peter...
maxvtol
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Sep 4, 2007
7:06 pm
22334
... COM1? Certainly, yes. ... The BX-24 uses the SPI bus to fetch instructions from EEPROM. If another SPI device drives the SPI bus lines (MISO, MOSI, SCLK)...
Tom Becker
b19063
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Sep 4, 2007
7:37 pm
22335
I have all my numbers in an array: Dim Numbers(1 to 12) as New UnsignedInteger Dim OCom1(1 to 34) As Byte Can I put the whole array into the PutQueue? Call...
maxvtol
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Sep 4, 2007
8:45 pm
22336 njepsen@...
neil_jepsen
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Sep 4, 2007
9:16 pm
22337
With just a little additional code, yes, it's that easy; run the following code. The result here is 24 bytes of alpha text, so it will be readable on the IDE...
Tom Becker
b19063
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Sep 4, 2007
9:22 pm
22338
Still having trouble transmitting to the mite. For testing I simplified the code to use bytes instead of integers, but I appear to be loosing bytes and I can't...
maxvtol
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Sep 5, 2007
7:47 pm
22339
... can only read 11 and they're shifted one. Without studying the code, my guess is that the first byte is already on its way to the aether on pin 5, leaving...
Tom Becker
b19063
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Sep 5, 2007
8:56 pm
22340
... aether... I ran your code and see the same loss of byte that you see. I commented-out the OpenCOM(3,...) which I believe is eating the first byte. Try...
Tom Becker
b19063
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Sep 5, 2007
11:17 pm
22341
Thanks Tom, It's not shifting now, but the last number is wrong. I tried going from 0 to 12 also 1 to 13 on the array sizes, and increasing the com from 21 to...
maxvtol
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Sep 6, 2007
12:42 pm
22342
... Also changed WhatsInQ from 11 to 12, that did it. Now if I can get them to talk at 115200k...
maxvtol
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Sep 6, 2007
12:52 pm
22343
... You can; many have, but not with BX-24 COM3, which is limited to 19200. One project here runs four processors, all talking at 115200 simultaneously - via...
Tom Becker
b19063
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Sep 6, 2007
2:03 pm
22344
The only way I can get it to work is the mite triggers a pin on the BX when to send the data at 19200. For some reason the mite requires one extra byte. If I...
maxvtol
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Sep 6, 2007
2:50 pm
22345
If you look at the binary representation of the results that you get and the correct ones they all appear to differ by a doubling of one bit. This is the ...
Ken Strauss
kstrauss7
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Sep 6, 2007
3:00 pm
22346
Thanks for the reply Ken. Just got an email back from Bruce about the mite. He says he's generating 115.2k withing 3.5% on pins 0 to 15, and he's tested it on...
maxvtol
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Sep 6, 2007
3:15 pm
22347
... can not a bit banged SPI-Slave solution be implemented to cause the BX to function as a slave? Especially with the multi-threaded RTOS that it has? Just...
Tod A. Wulff
todwulff
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Sep 6, 2007
5:06 pm
22349
Hi, Can you check if the TX and the RX pins at? both end are at -12 volts. The TX and RX pins? needs to be at -12 before transmitting. This is what you call be...
rosarite@...
tauromayo5
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Sep 6, 2007
7:18 pm
22350
If you comment out DefineCom3 and replace com3 with com1 in OpenCom, change WhatsInQ to 12, this same code won't work for COM1. Does anyone know of any issues...
maxvtol
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Sep 6, 2007
7:19 pm
22351
... Even at 19200 it requires one extra byte and is shifted... I invite you to use your _PC_ to reveal what is coming out of the BX-24. If it sees what the...
Tom Becker
b19063
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Sep 6, 2007
11:01 pm
Messages 22321 - 22351 of 23212   Oldest  |  < Older  |  Newer >  |  Newest
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