* [Horus] PXX and DSM2 in external module
* [Taranis] Pulses driver refactoring (uses DMA also for PPM in external module and saves 800bytes RAM)
* Cosmetics (Pulses driver splitted)
Specifying a custom prtocol is useful if OpenTX firmware is older than the multi module firmware
and the protocol in question is not yet in the protocol list of the OpenTX firmware.
Reuse some of the DSM2 routines to avoid code duplication.
This first version only implements the protocol on the Taranis. (and not
Telemetry code is currently untested and will not work (Polarity mismatch). The main protocols to use telemetry are FrSky protocols and not a high priority on the Taranis.
Patch v3: Fix myeeprom.h, include option value in menu.
Patch v4: Fix identing, name substructs of modeldata