Page 286 - Amphibionics : Build Your Own Biologically Inspired Robot

Amphibionics 06 3/24/03 9:02 AM Page 265
PROGRAM 6.12
:1003A0002C30712064008518D629D2298610831636
:1003B000861083128611831686118312080063004B
rx-remote.hex file listing
(continued)
:0203C000DF2933 Chapter 6 / Crocobot: Build Your Own Robotic Crocodile
:02400E00F53F7C
:00000001FF
'------------------------------------------------------------------------------------------------------------------------------
PROGRAM 6.13
' Name : tx-remote.bas tx-remote.bas program
' Compiler : PicBasic Pro - MicroEngineering Labs listing
' Notes : Robot control using the Linx 433LC series
' : transmitter and receiver.
' : Using the PIC 16C71 on-chip analog to digital
' : converters to read the position of
' : the two control stick potentiometers.
'------------------------------------------------------------------------------------------------------------------------------
' PIC 16C71 A/D converter registers
'
' PORTA = 05 hex = 5 dec
' five I/O lines RA0 RA1 RA2 RA3 RA4
'
' TRISA = 85 hex = 133 dec
' data direction register
' ---1 1111 inputs
' ---0 0000 outputs
'
' ADCON1 = 88 hex = 136 dec
' configure as A to D converter or digital I/O
' bits RA0,RA1 RA2 RA3 Vref
' ---- --00 analog analog analog VDD
' ---- --01 analog analog ref input RA3
' ---- --10 analog digital digital VDD
' ---- --11 digital digital digital VDD
'
' ADCON0 = 08 hex = 8 dec
' A/D control and status register - 8 bits
' bit7 - ADCS1
' bit6 - ADCS0

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