How to use Getrc5 and monitor port buttons same time?

jakim · Joined: 29 Aug 2004 Posts: 8 Location: Estonia

My piece of hardware is intended to be amplifier remote control and digital control system . The problem is how to see the button debounce and getrc5 on the same loop. How to make a jump to the getrc5 routine so that it happens only when data received by Ir receiver.

This doesnt work-

*************
enable interrupts
enable int0

do
begining:

on int0 receiverc5 nosave

'main program'

loop

receiverc5:

getrc5(address and command)

etc.

goto begining

end
*********

albertsm · Joined: 09 Apr 2004 Posts: 5916 Location: Holland

Hi,

When you enter an ISR in AVR, the global interrupts are disabled.
This means you need to re-enable them, or better , only the interrupt you want to keep tickining like the timer interrupt that getrc5 is using.

In practice :

receiverc5:
disable int0 ' we dont want to come here again now
enable interrupts ' allow all ints
getrc5 address ,command

enable int0
RETURN ' exit ISR

jakim · Joined: 29 Aug 2004 Posts: 8 Location: Estonia

i tried different loops and still cant get it to work . INT0 works and the ir command is identified but when i want the code to monitor input pins it doesnt work . Can somebody make me simple example which shows on lcd when button is pressed and when rc5 command is decoded

Frankeman · Joined: 11 Aug 2004 Posts: 948 Location: the Netherlands

This is Bascom 8051 code, but with minor changes it will work under Bascom AVR too.