RDS decoder library internals
All library components are written in pure ANSI-C, making the product suitable for any CPU platform which has a good C compiler available.
The C code can easily be configured by using a variety of pre-defined symbols. Functions not required for a specific application can simply be deactivated to conserve RAM and ROM.
Code design particularly focused ruggedness, low CPU load and low RAM consumption.
See also the PDF description.
Performance
The group decoder supplies more than 60 comfortable API functions
to access all types of useful RDS data: Programme service name,
RadioTexts, alternative frequency lists, ODA (open data applications),
TDC (transparent data channels), EON (enhanced information on
other networks) and much more.
The baseband decoder performs bitstream synchronization, error detection
and error correction. It employs a fast and robust sync strategy.
The baseband decoder allows to access RDS data blockwise, even
during the synchronization phase. Hence optimal exploitation of the
incoming information is ensured. This, together with the fast
synchronization strategy, allows you to equip your RDS product with highspeed
bandscan features.
Two independent channels supported
The RDS decoder library supports decoding two independent RDS
channels. This makes the product suitable for dual-tuner
concepts,
such as having a primary tuner for audio and a secondary tuner for TMC or bandscan. By the source code's means of customization, both low-end and high-end applications
can be handled using the same code.
Compatibility
Of course the RDS decoder library is fully compatible with both EN 50067 and with the U.S.
RBDS standard. Therefore, implementing
the library makes your product suitable for all markets, including the
U.S., without any changes.
The decoder code was tested with RDS signals from all over the world.
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