add roseus program to convert raw sensor value into distance

jsk_arc2017_baxter/euslisp/proximity-calibrator.l

@@ -0,0 +1,74 @@
+#!/usr/bin/env roseus
+
+(ros::load-ros-manifest "roseus")
+(ros::load-ros-manifest "force_proximity_ros")
+
+(defclass proximity-calibrator
+  :super propertied-object
+  :slots (proximities-calibrated-
+          proximities-init-
+          proximities-param-a-
+          topic-list-))
+
+(defmethod proximity-calibrator
+  (:init (&rest args &key topic-list)
+    (ros::roseus "proximity-calibrator")
+    ;; create subscribers and publishers
+    (ros::subscribe "/set_init_proximities" std_msgs::Empty #'send self :set-init-proximities)
+    (dolist (topic-name topic-list)
+      (ros::subscribe topic-name force_proximity_ros::ProximityArray #'send self :cb topic-name)
+      (ros::advertise (format nil "~A/init" topic-name) std_msgs::Float64MultiArray 1)
+      (ros::advertise (format nil "~A/calibrated" topic-name) std_msgs::Float64MultiArray 1)
+      (ros::advertise (format nil "~A/distance" topic-name) std_msgs::Float64MultiArray 1))
+
+    ;; make hash tables
+    (setq proximities-calibrated- (make-hash-table :test #'equal))
+    (setq proximities-init- (make-hash-table :test #'equal))
+    (setq proximities-param-a- (make-hash-table :test #'equal))
+
+    ;; get default proximity parameters from rosparam
+    (dolist (topic-name topic-list)
+      (sethash topic-name
+               proximities-param-a-
+               (ros::get-param (format nil "~A/a" topic-name)))
+      (sethash topic-name
+               proximities-init-
+               (ros::get-param (format nil "~A/b" topic-name))))
+    (ros::spin-once)
+    self)
+  (:cb (topic-name msg)
+    ;; set calibrated sensor value to hash table
+    (sethash topic-name
+             proximities-calibrated-
+             (mapcar #'- (mapcar #'(lambda (x) (send x :proximity)) (send msg :proximities))
+                     (gethash topic-name proximities-init-)))
+    ;; publish distance calculated from proximtiy values
+    (send self :publish-proximities topic-name)
+    )
+  (:publish-proximities (topic-name)
+    (let ((float-array (instance std_msgs::Float64MultiArray :init)))
+      (send float-array :data (gethash topic-name proximities-init-))
+      (ros::publish (format nil "~A/init" topic-name) float-array)
+      (send float-array :data (gethash topic-name proximities-calibrated-))
+      (ros::publish (format nil "~A/calibrated" topic-name) float-array)
+      (send float-array :data
+            (mapcar #'(lambda (a I-b)
+                        (if (> I-b 0)
+                          (sqrt (/ a I-b))
+                          *inf*))
+                    (gethash topic-name proximities-param-a-)
+                    (gethash topic-name proximities-calibrated-)))
+      (ros::publish (format nil "~A/distance" topic-name) float-array)))
+  (:set-init-proximities (msg)
+    (ros::spin-once)
+    (dolist (topic-name topic-list-)
+      (sethash topic-name
+               proximities-init-
+               (gethash topic-name proximities-raw-))))
+  )
+
+
+(defun init (&optional (topic-list (list "/proximity_sensor_topic1" "/proximity_sensor_topic2")))
+  (when (not (boundp '*pc*))
+    (setq *pc* (instance proximity-calibrator :init :topic-list topic-list)))
+  (ros::spin-once))