Remote-processing RPC-210 Manuel d'utilisateur télécharger pdf (Page 25)

SERIAL & SPI PORTS BASIC SECTION 4

Page 4-7

COMMANDS

The following is a list of RPBASIC-52 commands used

for serial I/O. These commands and functions are

explained in the BASIC-52 Programm ing Manual or

RPBASIC-52 Software Supplement in this manual.

Command Function

CLEAR COM$ Clears serial input buffer

COM$ Returns string from buffer

COM Returns number of char acters in

buffer

CONFIG BAUD Sets serial port parameters

GET Returns a character from the

serial buffer

INPUT Receives string from port

LIST Outputs program listing

ON COM$ Branches to a subroutine when

specified parameters are met

PRINT Outputs data in various formats

PRINT #, Prints to a specified port

SPC Print out n number of spaces

SPI Reads or writes SP I data

SCON Configures SPI port

STR Various string commands. Useful

for networking and output

formatting.

TAB Tabs to predetermined positions

UI0 Reroute inputs to COM0

UI1 Route inputs to COM1

UO0 Rerou te PRIN T statement to

COM0

UO1 Route PRINT statement to COM1

USING PRINT formatting statement

RS-232 PORT PIN OUT

Pin outs for J1 and J2 are shown below. Unused pins

are open.

COM 0

COM 1

Name Direction from

card

3 3 TxD Out

4 RTS In

5 5 RxD In

6 CTS Out

9 9 Ground

10 10 +5V

RS-422/485 PORT PIN OUT

Pin out for RS-422/RS-485 port at J6 is below.

Pin No. Description

1 T+

2 T-

3 Ground

4 R+

5 R-

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 59 60

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Remote-processing RPC-210 Manuel d'utilisateur Page 25

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