serial data to LCD

[cunninghamjohn]

I am trying out an experiment where one pic16f84 sends out serial data, whilst another receives the data on an LCD. I can only get the LCD to display a 0 for the received data with my code. Any suggestions?

transmitter

INCLUDE "modedefs.bas"
pause 1500

START
SEROUT PORTB.4,N2400,["1234"]
PAUSE 50
GOTO START

receiver

INCLUDE "modedefs.bas"
pause 500
START
M VAR BYTE
SERIN PORTB.5,N2400,[M]
lcdout $FE,1,#M
LCDOUT $FE,$C0,"HELLO"
PAUSE 300
GOTO START

[mackrackit]

Me thinks this will be of interest to you.
http://www.picbasic.co.uk/forum/show...erial+backpack

[mackrackit]

And changing

START
SEROUT PORTB.4,N2400,["1234"]

to

START
N = 1234
SEROUT PORTB.4,N2400,[DEC N]

might help

[mister_e]

Much simple... your SERIN line is wrong

SERIN PorPin, Mode, Variable

Using the square bracket says you want to wait a specific character..

INCLUDE "modedefs.bas"
M VAR BYTE
pause 500
START
        SERIN PORTB.5,N2400,#M
        lcdout $FE,1,#M
        GOTO START

if you send 1234... it will never fit in a BYTE variable.. max=255...

Leave your transmitter code as is, but change 1234, to 123 for now to see what happen.


PS: DEC modifier should not work for SEROUT, but for SEROUT2 .

[Archangel]

have a look here, esp. post 16:http://www.picbasic.co.uk/forum/show...highlight=cren

[cunninghamjohn]

Thanks to everyone for the quick replies. I havent had chance to try the corrected code as yet, Ill post back when I get chance.

Regards, John