Hi All
Well my
hv
ir reciever progress was short lived. I cant get hv to correctly recognise
which rx is active. When a (stored) ir signal is recieved Homevision
scans the ir active mux and should detect the active rx. I tried all sorts
but
no luck . I also think now the design is flawed as the ir active signal is
only present for approx 1 second ,if hv is busy the active signal may be
gone
when hv does get round to scanning the rx mux...
What happens when hv
recieves
an ir signal while say transmitting an X10 signal? Does the ir signal not
get
detected?
Im now thinking of using a Pic to detect
which rx is active and using 3 i/o pins as outputs to identify the active
rx .
Homevision when ready reads the status of its 3 inputs (connected to
ir
rx outputs) and determines which rx is active then pulses a hv output to
ACKnoweldge(connected to a Pic input pin) that it has decoded the
Pics
mux outputs . So 4 i/0 pins would be required on hv....
I was also thinking of adding an RS232 port to
the Pic so that ir active data could be sent say to a pc. Can the Girder
Software talk to more than one serial port?
Any comments/ideas
Frank Mc
For more
information: http://www.automatedhome.co.uk
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