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Change serial parity

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hemasc_

Joined: 01 Aug 2012
Posts: 15
Location: Brazil

Change serial parity

Posted: Sat Jun 29, 2013 2:11 pm

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Hi!

I'm developing a device that the user has the option to change the serial parity.
There is the possibility that I do change the parity among the firmware?

For example:

Code:

if(true) #use rs232(baud=9600, parity=O,stop=1,xmit=PIN_C6,rcv=PIN_C7,bits=8, errors)
else #use rs232(baud=9600, parity=E,stop=1,xmit=PIN_C6,rcv=PIN_C7,bits=8, errors)

But I need to change only parity!

PCM programmer

Joined: 06 Sep 2003
Posts: 21708


Posted: Sun Jun 30, 2013 12:00 am

See Ttelmah's reply here: http://www.ccsinfo.com/forum/viewtopic.php?t=36699 See Tomi's parity routine here: http://www.ccsinfo.com/forum/viewtopic.php?t=3234

hemasc_

Joined: 01 Aug 2012
Posts: 15
Location: Brazil

Posted: Fri Jul 19, 2013 12:48 pm

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SOLVED

Code:

#locate RCSTA = 0xFAC
#locate TXSTA = 0xFAB

#use rs232(baud=9600,xmit=pin_c6,rcv=pin_c7,errors,stream=COMM_1,enable=PIN_B1)

if(bit_with_parity)
{
bit_set(TXSTA,6);
bit_set(RCSTA,6);
}
else
{
bit_clear(TXSTA,6);
bit_clear(RCSTA,6);
}

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