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Bots / The Ultimate Palm Robot/ Mukhar & Johnson / 222880-6 / Chapter 4

90 The Ultimate Palm Robot

baud rate is register 9. The n is an integer that can range from 24 (19200 baud)
to 200 (2400 baud). The default setting is 50, which sets the baud rate to 9600.
So, the command to set the baud to 9600 is

WE9 50

To change the SV203 register, you send this command as a string to the con-
troller board. Now, all we need is a simple program to do that. The following
program is written for the HotPaw Basic interpreter. The HotPaw interpreter
is on the CD-ROM for this book in the \Other Applications directory. If you
haven’t yet done so, install HotPaw Basic to your Palm VII. (You can find more
information on how to do this in Chapter 7.) Here is the program to change the
baud rate of the SV203:

#chbaud.bas
15 open "com1:", 9600 as #5
20 draw -1
25 draw "Set SV203 baud rate
30 form btn 75,95,70,20, "Send Command ",1
35 form fld 80,55,40,12, "50",1
40 draw "command value (24 to 200) = ",5,42
45 x=asc(input$(1))
50 sd$= "WE9 " + s$(0)
55 print #5,sd$;
60 sound 1800,100,64
65 sound 1500,30,64
70 close #5 :
75 goto 15 : end

In line 15, the program opens a communication channel through COM1, at
9600 baud. In lines 25–40, the program draws the form controls.

P:\010Comp\Bots\880-6\ch04.vp
Monday, May 12, 2003 4:03:12 PM