Example Program 6: MM_S6_Viz_ErrorHandle

MODULE MM_S6_Viz_ErrorHandle
!----------------------------------------------------------
! FUNCTION: trigger Mech-Viz project and get planned path,
! handle errors according to status codes (if no point cloud
! in ROI, retry several times before exit loop)
! Mech-Mind, 2023-12-25
!----------------------------------------------------------
!define local num variables
LOCAL VAR num pose_num:=0;
LOCAL VAR num status:=0;
LOCAL VAR num toolid{5}:=[0,0,0,0,0];
LOCAL VAR num vis_pose_num:=0;
LOCAL VAR num count:=0;
LOCAL VAR num retry_cnt:=0;
LOCAL VAR num label{5}:=[0,0,0,0,0];
!define local joint&pose variables
LOCAL CONST jointtarget home:=[[0,0,0,0,90,0],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]];
LOCAL CONST jointtarget snap_jps:=[[0,0,0,0,90,0],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]];
LOCAL PERS robtarget camera_capture:=[[302.00,0.00,558.00],[0,0,-1,0],[0,0,0,0],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]];
LOCAL PERS robtarget drop_waypoint:=[[302.00,0.00,558.00],[0,0,-1,0],[0,0,0,0],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]];
LOCAL PERS robtarget drop:=[[302.00,0.00,558.00],[0,0,-1,0],[0,0,0,0],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]];
LOCAL PERS jointtarget jps{5}:=
[
    [[11.1329,49.0771,-36.9666,0.5343,79.2476,-169.477],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]],
    [[11.2355,52.1281,-23.3996,0.5938,62.6295,-169.548],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]],
    [[0,0,0,0,0,0],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]],
    [[0,0,0,0,0,0],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]],
    [[11.1329,49.0771,-36.9666,0.5343,79.2476,-169.477],[9E+9,9E+9,9E+9,9E+9,9E+9,9E+9]]
];
!define local tooldata variables
LOCAL PERS tooldata gripper1:=[TRUE,[[0,0,0],[1,0,0,0]],[0.001,[0,0,0.001],[1,0,0,0],0,0,0]];

PROC Sample_6()
    !set the acceleration parameters
    AccSet 50, 50;
    !set the velocity parameters
    VelSet 50, 1000;
    !move to robot home position
    MoveAbsJ home\NoEOffs,v3000,fine,gripper1;
    !initialize communication parameters (initialization is required only once)
    MM_Init_Socket "127.0.0.1",50000,300;
    !move to image-capturing position
    MoveL camera_capture,v1000,fine,gripper1;
    !open socket connection
    MM_Open_Socket;
RECAP:
    !trigger Mech-Viz project
    MM_Start_Viz 2,snap_jps;
    !get planned path, 1st argument (1) means getting pose in JPs
    MM_Get_VizData 1, pose_num, vis_pose_num, status;
    !check whether planned path has been got from Mech-Viz successfully
    IF status <> 2100 THEN
        IF status = 2038 THEN
            !no point cloud in ROI, add handling logic here
            !self-adding then check retry counter
            retry_cnt:=retry_cnt+1;
            IF retry_cnt<3 THEN
                !jump back to vision retry label if the number of retry times is less than 3
                GOTO RECAP;
            ELSE
                !reset counter and exit loop if the number of retry times has reached 3
                retry_cnt:=0;
                GOTO END_LOOP;
            ENDIF
        ELSE
            !add other error handling logic here
            Stop;
            GOTO END_LOOP;
        ENDIF
    ENDIF
    !close socket connection
    MM_Close_Socket;
    !save waypoints of the planned path to local variables one by one
    MM_Get_Jps 1,jps{1},label{1},toolid{1};
    MM_Get_JPS 2,jps{2},label{2},toolid{2};
    MM_Get_JPS 3,jps{3},label{3},toolid{3};
    !follow the planned path to pick
    !move to approach waypoint of picking
    MoveAbsJ jps{1},v1000,fine,gripper1;
    !move to picking waypoint
    MoveAbsJ jps{2},v1000,fine,gripper1;
    !add object grasping logic here, such as "setdo DO_1, 1;"
    Stop;
    !move to departure waypoint of picking
    MoveAbsJ jps{3},v1000,fine,gripper1;
    !move to intermediate waypoint of placing
    MoveJ drop_waypoint,v1000,z50,gripper1;
    !move to approach waypoint of placing
    MoveL RelTool(drop,0,0,-100),v1000,fine,gripper1;
    !move to placing waypoint
    MoveL drop,v300,fine,gripper1;
    !add object releasing logic here, such as "setdo DO_1, 0;"
    Stop;
    !move to departure waypoint of placing
    MoveL RelTool(drop,0,0,-100),v1000,fine,gripper1;
    !move back to robot home position
    MoveAbsJ home\NoEOffs,v3000,fine,gripper1;
    RETURN;
END_LOOP:
    Stop;
ENDPROC
ENDMODULE