On Sun, Mar 05, 2017 at 01:47:06PM -0600, Jon Elson wrote:
> And, I get this error :
>
> timestamp=0x00: Invalid type character `*'
The related line in the source is:
src/hal/drivers/hal_ppmc.c:RTAPI_MP_ARRAY_INT(timestamp, MAX_BUS*8,
"bus/slot locations of timestamped encoders");
due to a technical limitation, the second parameter to
RTAPI_MP_ARRAY_INT must be a literal number, not the result of a
calculation. This limitation is only present for "uspace" builds of
LinuxCNC, and is unfortunately not diagnosed at compile time, but rather
only when the parameter is used. Since MAX_BUS is 3, the fix is to
replace this instance of MAX_BUS*8 with the literal number 24, or do the
harder work of removing this limitation of RTAPI_MP_ARRAY macros on
uspace builds.
Jeff
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