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same RS232 (hardware) at different speed

 
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enrico



Joined: 17 Mar 2008
Posts: 2
Location: ITALY

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same RS232 (hardware) at different speed
PostPosted: Mon Mar 17, 2008 6:22 am     Reply with quote

Kindly ask help to use the same RS232 at different speed Sad

this code:

while(1)
{
#use rs232(baud=19200,xmit=TXSER_A,rcv=RXSER_A,parity=N,bits=8)
putc(0x0f);
delay_ms(2);
#use rs232(baud=9600,xmit=TXSER_A,rcv=RXSER_A,parity=N,bits=8)
putc(0xf0);
delay_ms(2);
}


seems don't switch the speed like I need

I've also tryed to define 2 different function:

#use rs232(baud=19200,xmit=TXSER_A,rcv=RXSER_A,parity=N,bits=8)
writeHigh()
{
putc(0xf0);
}
---
#use rs232(baud=9600,xmit=TXSER_A,rcv=RXSER_A,parity=N,bits=8)
writeSlow()
{
putc(0xf0);
}


and then call them... but I'm always not able to switch the speed

working condition:
PIC16F916
TXSER_A= PIN_C6
RXSER_A= PIN_C7
hardware rs232

THANKS in advance for the help !
Have a nice day !
Enrico


Last edited by enrico on Mon Mar 17, 2008 7:45 am; edited 2 times in total
Ttelmah
Guest







PostPosted: Mon Mar 17, 2008 6:26 am     Reply with quote

Just use the set_uart_speed function...

Best Wishes
Matro
Guest







PostPosted: Mon Mar 17, 2008 6:32 am     Reply with quote

All instructions beginning by # are for prepocessor so will never do any hardware changes.

Just use SET_UART_SPEED() as said by Ttelmah or SETUP_UART() for a complete setup.

Regards,
Matro
enrico



Joined: 17 Mar 2008
Posts: 2
Location: ITALY

View user's profile Send private message

THANKS !
PostPosted: Mon Mar 17, 2008 7:40 am     Reply with quote

Simply, BIG thanks ! Very Happy

it works perfetcly

Have a nice day !
Enrico
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