HG_REPOSITORIES/LPP/INSTRUMENTATION/SOLO_LFR/DEV_PLE Commit - r247:c33dcdaef462

Behaviour changed upon reception of a TC_LFR_ENTER_MODE with a transition...

paul -

r247:c33dcdaef462 R3a

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r247:c33dcdaef462

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src/tc_handler.c +3 -1

                 if (transitionCoarseTime == 0)
                 {
-                    waveform_picker_regs->start_date = time_management_regs->coarse_time;
+                    // instant transition means transition on the next valid date
+                    // this is mandatory to have a good snapshot period a a good correction of the snapshot period
+                    waveform_picker_regs->start_date = time_management_regs->coarse_time + 1;
                 }
                 else
                 {

src/wf_handler.c +9 -21

                 rtems_event_set event_out;
                 rtems_id queue_id;
                 rtems_status_code status;
-                bool resynchronisationEngaged;
                 ring_node *ring_node_swf1_extracted_ptr;
                 ring_node *ring_node_swf2_extracted_ptr;
                 ring_node_swf1_extracted_ptr = (ring_node *) &ring_node_swf1_extracted;
                 ring_node_swf2_extracted_ptr = (ring_node *) &ring_node_swf2_extracted;
-                resynchronisationEngaged = false;
                 status =  get_message_queue_id_send( &queue_id );
                 if (status != RTEMS_SUCCESSFUL)
                 {
                     // wait for an RTEMS_EVENT
                     rtems_event_receive(RTEMS_EVENT_MODE_NORMAL,
                                         RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
-                    if(resynchronisationEngaged == false)
-                    {   // engage resynchronisation
+                    snapshot_resynchronization( (unsigned char *)  &ring_node_to_send_swf_f0->coarseTime );
-                        snapshot_resynchronization( (unsigned char *)  &ring_node_to_send_swf_f0->coarseTime );
-                        resynchronisationEngaged = true;
-                    else
-                    {   // reset delta_snapshot to the nominal value
-                        PRINTF("no resynchronisation, reset delta_snapshot to the nominal value\n");
-                        set_wfp_delta_snapshot();
-                        resynchronisationEngaged = false;
-                    //
                     if (event_out == RTEMS_EVENT_MODE_NORMAL)
                     {
                         DEBUG_PRINTF("WFRM received RTEMS_EVENT_MODE_SBM2\n");
                     PRINTF1("in CWF1 *** ERR get_message_queue_id_send %d\n", status)
                 }
-                BOOT_PRINTF("in CWF1 ***\n")
+                BOOT_PRINTF("in CWF1 ***\n");
-                        while(1){
+                while(1){
                     // wait for an RTEMS_EVENT
                     rtems_event_receive( RTEMS_EVENT_MODE_NORM_S1_S2,
                                          RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
                 // which tick is the closest
                 if (deltaPreviousTick > deltaNextTick)
                 {
-                    // deltaNext is in [ms]
+                    // the snapshot center is just before the second => increase delta_snapshot
-                    deltaTickInF2 = floor( (deltaNext_ms * 256. / 1000.) );
+                    deltaTickInF2 = ceil( (deltaNext_ms * 256. / 1000.) );
                     waveform_picker_regs->delta_snapshot = waveform_picker_regs->delta_snapshot + 1 * deltaTickInF2;
                     PRINTF2("correction of = + %u, delta_snapshot = %d\n", deltaTickInF2, waveform_picker_regs->delta_snapshot);
                 }
                 else
                 {
-                    // deltaPrevious is in [ms]
+                    // the snapshot center is just after the second => decrease delat_snapshot
-                    deltaTickInF2 = floor( (deltaPrevious_ms * 256. / 1000.) );
+                    deltaTickInF2 = ceil( (deltaPrevious_ms * 256. / 1000.) );
                     waveform_picker_regs->delta_snapshot = waveform_picker_regs->delta_snapshot - 1 * deltaTickInF2;
                     PRINTF2("correction of = - %u, delta_snapshot = %d\n", deltaTickInF2, waveform_picker_regs->delta_snapshot);
                 }

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