Re: [Paparazzi-devel] Tiny13 1.1 / Servo Output

[Matthew Currie]

Group,


 Well it looks like I did cross some code.  I found reference to 4017 
servo code and changed it to 4015_MAT.  Manual mode now works.


Regards,
Matthew

Matthew Currie wrote:
> Group,
>
>
>  I have been diagnosing my servo output problem on my Tiny13 1.1 for 
> some time now.  I put the Tiny13 under a 20-400x digital microscope 
> and verified that all the crucial solder joints are great.  I 
> currently have the Tiny13 under a DSO and now see that SERV_CLK is 
> sending what looks like a reasonable clock, the SERV_RESET is sending 
> a signal, but the SERV_DATA line is being held at VCC with no PPM 
> signal present.  This now explains why my servos were moving to 
> extremes and binding the control surfaces.  I checked the SERV_DATA 
> line all the way to the LPC pin and verified it is held high there.  
> Is there something obvious I am missing?  Is this a symptom of a 
> software misconfiguration?  Did anything change between Tiny13 and 
> Tiny2 and maybe I have a bit of code crossed over?  Thanks guys.
>
>
> Regards,
> Matthew
>
>
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