Subject:
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HandyBoard's Baud rate
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 1 Oct 1996 15:29:46 GMT
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Original-From:
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Zlatko M. Horvat <ZHORVAT@UWF-UF.EEstopspammers.UWF.EDU>
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Viewed:
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1473 times
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My name is Micah Krider and I asked for the information on changing the
baud rate on the handyboard to communicate serially. You sent me the
following code to communicate serially:
void xxxxxx(int c)
{
while(!(peek(0x102e)&0x80));
poke(0x102f,c);
}
my question to you is about the data type being sent. I need to send ASCII
characters and I was wondering how to send them. I am assuming the when it
uses type "int", it is just taking the integer representation of the ASCII
code (ex. "A" = 41h = 65) therefor to send something like "A", I would just
poke 65 out of the handyboard. I have tried this and viewed the results on
a oscilloscope, and this doesn't seem the case. I think the code that you
sent me to slow down the baud rate worked correctly, though I need to be
able to understand what is being sent serially to verify that the baud rate
is changed. A quick question on the baud rate code also. The code you
sent:
void set_baud_1200()
{
poke(0x102b,0xb3);
}
sets bit 7 in register 102b to a "1". What is the purpose for this? I did
not understand what setting it to a "1" did so I tried it with it set to
the default "0". That is what I have been testing the baud rate with. If
you could get back in touch with me, I would really appreciate it. Thank
you,
Micah D. Krider
kmicah@uwf-uf.ee.uwf.edu
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