Serin timeout not working properly!

[Megahertz]

Happy New Year To everyone.
I am facing a small problem of Serin command. The timeout function is not working correctly. (Using 12F635 with WDT_OFF)

Main:
high led : pause 50 : low led
Serin FromRx,N2400,200,["pp3"],code
.....rest fo the code here

My led should blink 50mS ON & appx 200mS OFF when no data is comming from my RF Receiver. But this is not happening. Can someone help please? Thanks

[Nicmus]

Hi Megahertz,

If you want the LED to blink while waiting for input you must jump to your “Main” label after the timeout. Read the Serin command for more information.

HTH

Nick

[Megahertz]

Hi Megahertz,

If you want the LED to blink while waiting for input you must jump to your “Main” label after the timeout. Read the Serin command for more information.

HTH

Nick

Hello Nick, that is the problem. The serin command is not working as expected.

[Bruce]

It only jumps to a timeout label if you tell it where the label is.

Main:
high led : pause 50 : low led
Serin FromRx,N2400,200,Main,["pp3"],code
.....rest fo the code here

[Megahertz]

Sorry for the code, I have missed the *Main* while writing the question. It actually is there in my code.
I will correct my code statements to the following:

Main:
high led : pause 50 : low led
Serin FromRx,N2400,200,Main,["pp3"],code
.....rest of the code here
goto Main

The code enters main label and led blinks, but then it stops. I expect it to blink after every 200mS which is not happening.

Couple of times this happened as well that program entered main label, led blinked few times lets say 5 or 6 after every 200mS but then it stopped again.

I cannot understand this erratic behaviour of my PIC.

[Bruce]

The timeout period gets continuously reset if there's noise on the serial input pin. If you're trying to use this option with a noisy RF receiver, the timeout/label approach isn't going to work.