Author |
Message |
Topic: Using USB LPT adapter |
Big_Valven
Replies: 3
Views: 443
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Forum: BASCOM-AVR Archive Posted: Wed Dec 19, 2007 12:49 am Subject: Using USB LPT adapter |
Unfortunately, not so. The port is listed as "USB Printing support" in the device manager and when used with printers it is listed as USB001. Might be out of luck? |
Topic: Using USB LPT adapter |
Big_Valven
Replies: 3
Views: 443
|
Forum: BASCOM-AVR Archive Posted: Tue Dec 18, 2007 2:09 pm Subject: Using USB LPT adapter |
Hi,
I can't find anything in help about this - I have a USB-LPT adapter I want to use for programming with an STK200 equivalent programmer, and I want to know how I go about finding the address of th ... |
Topic: Another ADC Question |
Big_Valven
Replies: 3
Views: 351
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Forum: BASCOM-AVR Archive Posted: Mon Dec 03, 2007 2:32 am Subject: Another ADC Question |
The problem with that is a 1M would load the circuit I am trying to read!
My problem is that there can be 5v on the pin, and then the pin can be grounded, and then if there is a voltage lower than ... |
Topic: Another ADC Question |
Big_Valven
Replies: 3
Views: 351
|
Forum: BASCOM-AVR Archive Posted: Sun Dec 02, 2007 12:57 pm Subject: Another ADC Question |
Hi all,
I need to read an analogue voltage between 5 and 0 volts on ADC0, on an atmega8. The other ADC pins are being used as digital I/O. I need the reference to be 0v (gnd) however there always see ... |
Topic: Endless output problems |
Big_Valven
Replies: 6
Views: 429
|
Forum: BASCOM-AVR Archive Posted: Sat Nov 24, 2007 8:40 am Subject: Endless output problems |
Unfortunately not, I should have mentioned I have tried different loads including LEDs and a good old logic probe. The chip still isn't behaving the way I want though, the data direction registers don ... |
Topic: Endless output problems |
Big_Valven
Replies: 6
Views: 429
|
Forum: BASCOM-AVR Archive Posted: Fri Nov 23, 2007 11:03 am Subject: Endless output problems |
Hi all,
I've come across what might have been the problem... I am using a prototyping board which has an LDR and voltage divider on PC0... fixing the data direction register so PC0 is an input fixes ... |
Topic: Endless output problems |
Big_Valven
Replies: 6
Views: 429
|
Forum: BASCOM-AVR Archive Posted: Fri Nov 23, 2007 9:29 am Subject: Endless output problems |
All I have so far is simple stuff, portd.7 = 1 and the like.
The reason I am confused is this all worked properly a day or two ago, and has stopped working. I can't fathom why it's doing it, and wh ... |
Topic: Endless output problems |
Big_Valven
Replies: 6
Views: 429
|
Forum: BASCOM-AVR Archive Posted: Fri Nov 23, 2007 8:29 am Subject: Endless output problems |
Hi all,
I am using an atmega8 for some simple controls, and I am having constant problems with using output pins. The darn thing won't even correctly switch a 4066 CMOS switch. The outputs are not go ... |
Topic: Interrupt Level |
Big_Valven
Replies: 1
Views: 215
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Forum: BASCOM-AVR Archive Posted: Fri Nov 16, 2007 5:58 am Subject: Interrupt Level |
Hi all,
I have a signal that I want to trigger an interrupt, I have an atmega8 and it seems as though interrupts on it are active low, whereas the signal I want to use is active high. Is there any wa ... |
Topic: Interrupt on high |
Big_Valven
Replies: 0
Views: 85
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Forum: BASCOM-AVR Archive Posted: Fri Nov 16, 2007 1:34 am Subject: Interrupt on high |
Hello all,
I want to interrupt on a high condition (eg input is normally low) but I can't find any way to change the configuration of the interrupts. Do I just have to use a hardware inverter?
Tha ... |
Topic: Reading matrix IC |
Big_Valven
Replies: 4
Views: 431
|
Forum: BASCOM-AVR Archive Posted: Fri Nov 09, 2007 1:49 pm Subject: Reading matrix IC |
Shiftin is perfect, it's doing exactly what I want.
Thanks i.dobson! |
Topic: Baud rate |
Big_Valven
Replies: 6
Views: 507
|
Forum: BASCOM-AVR Archive Posted: Fri Nov 09, 2007 1:15 pm Subject: Baud rate |
Hi all,
After setting the internal osc to 8MHz, everything's working well. Even other stuff that wasn't working right because it was running too slow.
Thanks all, sometimes I just need a nudge in ... |
Topic: Baud rate |
Big_Valven
Replies: 6
Views: 507
|
Forum: BASCOM-AVR Archive Posted: Fri Nov 09, 2007 1:07 pm Subject: Baud rate |
Fusebit KLA987 says the internal 1mhz osc is set... what should I be selecting here? |
Topic: Reading matrix IC |
Big_Valven
Replies: 4
Views: 431
|
Forum: BASCOM-AVR Archive Posted: Fri Nov 09, 2007 10:54 am Subject: Reading matrix IC |
Hi again all,
I have a switch matrix chip and I need some help reading it.
The process:
when a switch is pressed, the Chip Enable line goes high, then during each Clock line pulse, the Data lin ... |
Topic: Reading button IC |
Big_Valven
Replies: 0
Views: 176
|
Forum: BASCOM-AVR Archive Posted: Fri Nov 09, 2007 10:33 am Subject: Reading button IC |
Hello again all,
Wondering what the best way is to read the incoming signals from a keypad matrix IC is.
The process:
Chip Enable is taken high as soon as a key is pressed. Then with each clo ... |
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