On 02/01/2014 06:28 PM, W. Martinjak wrote:
> I'm writing on a driver for the machinekit on BBB and I need to upload the
> firmware to the fpga.
> Therefore I need a flavor-dependent path.
> Compiling of the driver works but when I run lcnc i get the message:
> ...undefined symbol: get_rtapi_config
> It seems there is a linking problem with the rtapi lib.
> here is the code snippet:
>
> get_rtapi_config(path, "RUN_IN_PLACE", 4);
> if (strncmp(path, "yes", 3) == 0) {
> if(!get_rtapi_config(path, "EMC2_HOME", PATH_MAX)) {
> snprintf(path, PATH_MAX,
> "%s/src/hal/drivers/pluto_spi_servo_firmware/pluto-spi-bbb.rbf", path);
> f= fopen(path, "rb");
> }else {
> f=
> fopen("/home/linuxcnc/linuxcnc/src/hal/drivers/pluto_spi_servo_firmware/pluto-spi-bbb.rbf",
> "rb");
> }
> }// else { TODO: irgendein firmware dir }
>
>
> Any ideas?
I guess you're 'tinkerer' on IRC.
http://linuxcnc.mah.priv.at/irc/%23linuxcnc-devel/2014-02-02.html#00:45:04
Basically, you need to link in rtapi_compat.o, or else some library that
already does that.
John
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