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Chapter 8: GPS and a Real- T ime Situational Displa y 215

XBee Module Propeller BOE
DO P7
DI P6

Table 8.8 XBee and Propeller BOE Connections

xb.AT_ConfigVal(string(“ATMY”), 9) ‘ Set MY address to 9
xb.AT_ConfigVal(String(“ATDL”), 8) ‘ Set Destination Low
8

repeat ‘ Main loop
c := xb.rxCheck ‘ Check buffer
if c <> -1 ‘ If it’s not empty (-1)
pst.Char(c) ‘ Then display the
character

The receive program uses the same objects as the transmit program with the addition of
the Parallax Serial Terminal Plus object, which enables the display of the received data on the
laptop screen that is running the PSerT program. Figure 8.24 is a screenshot of the laptop
screen that is running the PSerT application for the data transmission test.

Figure 8.24 XBee data transmission screenshot.