Hi Yan,
Thank you very much for your response.
I think, my problem is not with register. I tried to read both registers but
nothing comes if I read IN_DATA register and something comes if I read OUT_DATA
register.
You might be knowing that IR signal cosists of a pulse train of 14 pulses
(if any key is pressed on IR remote). These all pusles are written on the
bit number 7 of OUT_DATA register with the time delay of 1.728ms. Now the
problem is, when I continuously read 7th bit of OUT_DATA register, it gives
some different values than what I found on CRO ( when some key is pressed on
remote). So I think my problem is with the time delay at which I read 7th
bit of OUT_DATA register.
So will you guide me to solve this problem?
Regards,
Dhaval Lakkad
> Read IN_DATA register instead of OUT_DATA register.
>
> -Yan
>
> Hi,
>
> I am using a custom board having DM6467. The board has an IR reciever on
> GPIO
> (at base address 0x01C67000). I want to make an application that read the
> data corresponding to the key pressed on the IR transmitter.
> Right now, I am continuously reading "OUT_DATA2" register(at offfset 48h
> from
> base address 0x01C67000) which gives the current state of the GPIO signal.
> But this register gets overwritten and hence I can not get the correct value
> when perticular key is pressed.
>
> So can any one guide me to read the correct value of the GPIO pin
> (corresponding
> to IR) when a key is pressed on IR transmitter?
>
>
> THANK YOU
> DHAVAL LAKKAD
> eInfochips
>
>
>
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