Mutiple RS232 Port problem !!! Help!!

[dawnsha]

Hello.

It is not skillful not to be it is sorry in English.
There is not it will not be able to use distant Multiple RS232 Port well.
I want the program which with lower part am same.


---- I want program of the method which -----
RDdata,WRdata : #User RS232 STREAM Name

A : The data which it sends (MAX232 IC 1)
Computer(RS232) -> Board (RDdata) -> Board(WRdata) -> Controller(RS232)
(value : A) (Value : A ) (value : A) (value : A)

B : The result data price against the A (MAX232 IC 2)
Controller(RS232) -> Board(WRdata) ---> Board(RDdata) ->Computer(RS232)
(value : B) (value : B) (value : B) (value : B)

-----------------------------------------------------


--------------------------------------------------------------------------------
--- Source Code ------

#include <16F877A.h>

#device *=16

#use delay(clock=4000000)

#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7,bits=8,STREAM=RDdata)
#use rs232(baud=9600,parity=N,xmit=PIN_B1,rcv=PIN_B0,bits=8,STREAM=WRdata)

char RDdata_char[81];
char WRdata_char[81];

#int_rda
rda_isr()
{
fgets(RDdata_char,RDdata);

fprintf(WRdata,"%s",RDdata_char);
}

#int_EXT
EXT_isr()
{

fgets(WRdata_char,WRdata);

fprintf(RDdata,"%s",WRdata_char);

}

void init()
{
enable_interrupts(int_rda);
ext_int_edge(H_to_L);
enable_interrupts(int_ext);
enable_interrupts(global);
}

void main()
{
init();

while(1)
{
}
}

------------------------------------------------------------------------------

"A" it sends the data which is from the computer and the RDdata (MAX232_1_IC) it passes by and the WRdata (MAX232_2_IC) it passes by and and control le with it is delivered,, the data which is and control le from "A" a data again it analyzes the WRdata (MAX232_2_IC) with it sends and the altruism the RDdata (MAX232_1_IC) with in the sound last which is delivered is transmitted with the computer.

I want the program which the place must become the operation in the dignity explanation arctic regions. The data which is transmitted with the RDdata does not become transmission with the WRdata. With above together the place program percentage lye, well it does not become. The explanation which is simple or annual festival entrusting it gives.

[bill147]

I am not able to understand what your problem is.

I would offer comments as to your code.

I have tried to use external interrupt with a software serial port and could not get it to work for me.

I would suggest to not use #int_EXT.
But to use the following in the main() function: