Added Struct for load cells

.vscode/extensions.json

@@ -1,8 +1,10 @@
-{
-    "recommendations": [
-        "ms-vscode.cpptools",
-        "wayou.vscode-todo-highlight",
-        "usernamehw.errorlens",
-        "platformio.platformio-ide"
-    ]
-}
+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "ms-vscode.cpptools",
+        "platformio.platformio-ide",
+        "usernamehw.errorlens",
+        "wayou.vscode-todo-highlight"
+    ]
+}

include/LoadCells.h

@@ -0,0 +1,43 @@
+struct LoadCells {
+  HX711 loadcell_0;
+  HX711 loadcell_1;
+  HX711 loadcell_2;
+  HX711 loadcell_3;
+
+  double lc0Value;
+  double lc1Value;
+  double lc2Value;
+  double lc3Value;
+
+  double lc0Calibration;
+  double lc1Calibration;
+  double lc2Calibration;
+  double lc3Calibration;
+};
+
+void init_LoadCells(LoadCells &loadCells) {
+  
+
+  const int lc_clock = 23;
+
+  const int lc_data_0 = 0;
+  const int lc_data_1 = 1;
+  const int lc_data_2 = 2;
+  const int lc_data_3 = 3;
+
+  Serial.begin(9600);           // Begin serial connection
+  pinMode(LED_BUILTIN, OUTPUT); // Configure LED pin
+  // Configure clock pin with high impedance to protect pin (if this doesn't
+  // work, change to OUTPUT)
+  pinMode(lc_clock, INPUT);
+  // Configure load cell data pins as inputs
+  pinMode(lc_data_0, INPUT);
+  pinMode(lc_data_1, INPUT);
+  pinMode(lc_data_2, INPUT);
+  pinMode(lc_data_3, INPUT);
+
+  loadCells.lc0Calibration = loadCellCalibrate(loadcell_0);
+  loadCells.lc1Calibration = loadCellCalibrate(loadcell_1);
+  loadCells.lc2Calibration = loadCellCalibrate(loadcell_2);
+  loadCells.lc3Calibration = loadCellCalibrate(loadcell_3);
+}

include/teensy.h

@@ -1,22 +1,20 @@
 #include "Vehicle.h"
 
-#include <Arduino.h>
-
 void thrustInfo(struct Vehicle &);
 void processTVC(struct Vehicle &);
 void write2CSV(struct outVector &, struct Vehicle &);
 void printSimResults(struct Vehicle &);
 
-double loadCellCalibrate();
+double loadCellCalibrate(struct LoadCells &);
 
-double loadCellCalibrate() {
+double loadCellCalibrate(LoadCells &loadCells) {
   // place code to calibrate load cells in here
-  double loadTotal;
+  double loadTotal = 0.0;
   for (double t = 0; t == 10; ++t) {
-    loadTotal += 1;
+    loadTotal += loadCell.read();
     delay(15);
   }
-  return loadTotal / 10;
+  return loadTotal / 10.0;
 }
 
 void thrustInfo(Vehicle &State) {

platformio.ini

@@ -8,13 +8,14 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-
 [env:NATIVE]
 platform = native
 build_flags = -std=c++11 -Wall -O1 -D NATIVE
+lib_deps = bogde/HX711@^0.7.4
 
 [env:teensy41]
 platform = teensy
 board = teensy41
 framework = arduino
 build_flags = -std=c++11 -Wall -O1 -D TEENSY
+lib_deps = bogde/HX711@^0.7.4

src/main.cpp

@@ -10,6 +10,7 @@
 #include <vector>
 #elif defined(TEENSY)
 #include <Arduino.h>
+#include "HX711.h"
 
 unsigned long last;
 #endif
@@ -21,6 +22,7 @@ unsigned long last;
 #include "native.h"
 #elif defined(TEENSY)
 #include "teensy.h"
+#include "LoadCells.h"
 #endif
 
 Vehicle State;
@@ -45,7 +47,11 @@ void setup() {
   burnStartTimeCalc(State);
   Serial.println("Starting Height Calculated");
   delay(1000);
-  loadCellCalibrate();
+
+  LoadCells loadCells;
+
+  init_LoadCells(loadCells);
+
   Serial.println("Load Cells Calibrated");
   delay(1000);
 }