Diff: Motion/Motion.cpp

Revision:

0:3f846fc933a2

Child:

1:2f5a62eb52ad

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Motion/Motion.cpp	Sun Sep 01 23:35:18 2013 +0000
@@ -0,0 +1,77 @@
+//
+// This file contains function related to the motion 
+// control of the home monitoring system
+//
+
+#include <vector>
+#include <string>
+#include <sstream>
+
+// FIXME - add timestamp to motion samples
+#include "Motion.h"
+  
+Motion::Motion() {
+    // These are motion deltas based on playing with
+    // mbed application board motion sensors
+    min_motion.x = 0.097;  
+    min_motion.y = 0.097;  
+    min_motion.z = 0.097; 
+	max_samples_limit = 100; // Max motion buffer is 100 deep
+    max_samples = 20;
+    sample_ptr = 0;
+    wrapped_once = false;
+	// WARNING - width here is important - must be 7 characters!
+    motion_samples.resize(max_samples,"0.00000");
+}
+
+bool Motion::change_max_samples(int num_samples) {
+    // WARNING - setting this dumps all saved data!
+    if (num_samples > 0 && num_samples <= max_samples_limit) {
+        max_samples = num_samples;
+		// WARNING - width here is important - must be 7 characters!
+        motion_samples.resize(max_samples, "0.00000");
+		return true;
+    }
+    else {
+        return false;
+    }
+}
+
+void Motion::add_sample(double sample) {
+    std::string str_sample;
+    convert_sample(sample, str_sample);
+    if (sample_ptr == max_samples) {
+        wrapped_once = true;
+        sample_ptr = 0;
+        motion_samples[sample_ptr] = str_sample;
+    }
+    else {
+        motion_samples[sample_ptr++] = str_sample;
+    }
+}
+
+bool Motion::set_motion_thresh(motion_vec motion_thresh) {
+	// FIXME - maybe add limit checking here.  At least 
+	// limit to 7 character values?
+	min_motion.x = motion_thresh.x;
+	min_motion.y = motion_thresh.y;
+	min_motion.z = motion_thresh.z;
+	return true;
+}
+
+motion_vec Motion::get_motion_thresh(void) {
+    return min_motion;
+}
+
+int Motion::get_max_samples() {
+	return max_samples;
+}
+
+const std::vector<std::string> &Motion::get_samples(void) {
+    // FIXME - need to copy out samples in order of oldest
+    // to newest or maybe not if change to contain timestamp
+    // and let the host worry about adding it.  If use multi-map
+    // it would be sorted automatically.  Maybe a better idea.
+    return motion_samples;
+}
+