Hi Felipe, > I wrote a very simple DSP test and I'm having some synchronization issues. > http://github.com/felipec/dsp-dummy > > Basically: > DSPNode_PutMessage (core->node, &msg, DSP_FOREVER); > usleep (4000); > DSPNode_GetMessage (core->node, &msg, 0); -- The DSP_SYSERROR is reported by DSP side of the Bridge. Try passing -1 (infinite wait) as the timeout to DSPNode_GetMessage function instead of 0. You can refer to the dmmcopy.c sample file in the bridge tarball on omapzoom. Thank you, Best regards, Hari > -----Original Message----- > From: Felipe Contreras [mailto:felipe.contreras@xxxxxxxxx] > Sent: Wednesday, October 22, 2008 11:53 AM > To: linux-omap@xxxxxxxxxxxxxxx List; Kanigeri, Hari > Subject: dsp-bridge synch issues > > Hi, > > I wrote a very simple DSP test and I'm having some synchronization issues. > http://github.com/felipec/dsp-dummy > > Basically: > DSPNode_PutMessage (core->node, &msg, DSP_FOREVER); > usleep (4000); > DSPNode_GetMessage (core->node, &msg, 0); > > If I remove the usleep, I get: > > DSPNodeCreate succeeded > DSPNode_run succeeded > WMD_DEH_Notify: ********** DEVICE EXCEPTION ********** > WMD_DEH_Notify: DSP_SYSERROR, errInfo = 0x102 > WMD_DEH_Notify: ********** DEVICE EXCEPTION ********** > WMD_DEH_Notify: DSP_SYSERROR, errInfo = 0x102 > WMD_DEH_Notify: ********** DEVICE EXCEPTION ********** > WMD_DEH_Notify: DSP_SYSERROR, errInfo = 0x102 > WMD_DEH_Notify: ********** DEVICE EXCEPTION ********** > WMD_DEH_Notify: DSP_SYSERROR, errInfo = 0x102 > > If I add it: > > DSPNodeCreate succeeded > DSPNode_run succeeded > > Any ideas? > > -- > Felipe Contreras -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
