Comments (1)
Hi,
this issue currently prevents me from buying a VESC6 from trampaboards which I plan to use in an RC car.
In the forum the terms PPM and PWM seem to be used interchangeable as if the protocols are interchangeable (from the VESC's point of view).
I am not an expert, but to me Pulse Width Modulation sounds to be significantly different from Pulse Position Modulation.
I took a brief glance at the firmware in: app_ppm and servo_dec.
I am no expert for micro controllers, but this smells to me like servo_dec
is querying the duration of a signal (a hint towards PWM) and not the relative position between two (or more) signals (a hint towards PPM).
Is there a definition (beside the firmware) of the protocol which the VESC expects to be at its connector labeled PPM
?
I am also in contact with trampaboards via email. Maybe they can help.
Cheers
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