From dd3f8c9514019953562fe21d3275c42d3ac49f03 Mon Sep 17 00:00:00 2001
From: pan261 <pan261@purdue.edu>
Date: Thu, 16 Sep 2021 18:41:51 -0400
Subject: [PATCH] Started waterjet .sta file generation code

---
 Flow_Waterjet_BIDC/Bechtel Waterjet.cps | 75 +++++++++++++++++++++++++
 1 file changed, 75 insertions(+)

diff --git a/Flow_Waterjet_BIDC/Bechtel Waterjet.cps b/Flow_Waterjet_BIDC/Bechtel Waterjet.cps
index 57fd684..520cafa 100644
--- a/Flow_Waterjet_BIDC/Bechtel Waterjet.cps	
+++ b/Flow_Waterjet_BIDC/Bechtel Waterjet.cps	
@@ -103,6 +103,80 @@ var compensationOffset = 0; // center compensation
 var etchOperation = false; // though-cut unless set to true
 var forceOutput = false;
 
+/**
+ * 
+ * @param num 
+ * @returns Little Endian hex string (float)
+ */
+ function ToHex(num) {
+  if (num == 0) {
+    return "00000000";  //bypass
+  }
+
+  var sign = "0";
+
+  if(num < 0.0) {
+    sign = "1";
+    num = -num;
+  }
+
+  var mantissa = parseFloat(num).toString(2);
+  var exponent = 0;
+
+  if (mantissa.indexOf('.') == -1) {
+    mantissa = mantissa.toString() + ".0";
+  }
+
+  if (mantissa.substr(0, 1) === "0") {
+    exponent = mantissa.indexOf('.') - mantissa.indexOf('1') + 127;
+  }
+  else {
+    exponent = mantissa.indexOf('.') - 1 + 127;
+  }
+
+  mantissa = mantissa.replace(".", "");
+  mantissa = mantissa.substr(mantissa.indexOf('1') + 1);
+
+  if (mantissa.length > 23) {
+    mantissa = mantissa.substr(0, 23);
+  }
+  else {
+    while (mantissa.length < 23) {
+      mantissa = mantissa + "0";
+    }
+  }
+
+  var exp = parseFloat(exponent).toString(2);
+
+  while(exp.length < 8) {
+    exp = "0" + exp;
+  }
+
+  var numberFull = sign + exp + mantissa;
+  return parseInt(numberFull, 2).toString(16);
+  
+}
+
+/**
+ * (IN PROGRESS) Write machine config to .sta file
+ */
+function writeSta() {
+  try {
+    var file = new TextFile("C:\\Users\\" + getGlobalParameter("username") + "\\AppData\\Local\\Fusion 360 CAM\\nc\\hello.txt", true, "utf-8");
+    
+    var float = 9.94;
+
+
+    file.writeln(ToHex(6.0));
+
+    file.close();
+
+  } catch (e) {
+    error(localize("Failed to write sta file."));
+  }
+  
+}
+
 /**
   Writes the specified block.
 */
@@ -451,6 +525,7 @@ function onSectionEnd() {
 }
 
 function onClose() {
+  writeSta();
   if (isRedirecting()) {
     var mainProgram = getRedirectionBuffer(); // TAG: no need for redirection
     closeRedirection();