[Gta04-owner] Switching from RS232 to IrDA for debugging

[Dr. H. Nikolaus Schaller]

Am 21.07.2012 um 01:02 schrieb NeilBrown:

> On Fri, 20 Jul 2012 15:34:48 +0200 "Dr. H. Nikolaus Schaller"
> <hns at goldelico.com> wrote:
> 
>> 
>> Am 20.07.2012 um 14:52 schrieb Sven Dyroff:
>> 
>>> Hello Nikolaus, 
>>> 
>>> thanks for reply. As far as I understood the TFDU6301 it's just a simple converter from TTL to IrDA and vice versa.
>> 
>> Not exactly. If I remember correctly the LED makes a short impulse for each (positive) edge it receives. I.e. if you send 11110010000011111 - which would be a start bit and 0x41 = 'A' 
> 
> Sorry, but the pedanticist in me cannot let this go.  RS232 delivers bytes
> lsb first, so this pattern is 0x82, not 0x41.  Not relevant to the overall
> discussion, I know ....

Oh, yes. I forgot about the LSB first rule... I.e. an 'A' would look like this (start bit, LSB, ..., MSB, stop bits): ...11110100000101111...

Tnx,
Nikolaus