[oopic] Re: oSerialL - Really confused

I am sending TTL level signals - which is what I assumed were
required as there is just a single TX and a single RX pin on the
player. When powered up, the TX pin shows +3V, the RX pin shows +0V.
Although the DOCs for the player refer to it as an RS232 style port:

Serial Modes
The following two modes use an rs232 style serial port. The port is
set up for 9600 baud, 8N1
format. You may or may not need inverters and drivers depending on
your system configuration. A Basic Stamp, a PIC an AVR, or almost any
other micro can communicate
over this kind of link.

--- In oopic@yahoogroups.com, Andrew Porrett <slicerwizard@...> wrote:
>
> Does the player expect TTL level signals or true RS232 levels? What
> are you sending?
>
> At 04:43 PM 4/5/2008, design.wonk wrote:
>
> >I only have to send. I am trying to control a Daisy MP3 player (open
> >source kit from Make Magazine) with the ooPIC using the Daisy's Simple
> >Serial Mode
>

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