lab3-SD update

examples/Lab3-SDtester/Lab3-SDtester.ino

@@ -0,0 +1,97 @@
+// These are the pins your MicroSD Card Adapter will be connected to.
+// These pins are specific and should not change. You do not need to worry
+// about why these are the pins, just connect them as listed.
+// MOSI - pin 11
+// MISO - pin 12
+// CLK  - pin 13
+// CS   - pin 10
+const int chipSelect = 10;
+
+// This is the string that goes at the top of your csv file. They are the column headers for your spreadsheet.
+const String header = "Time (ms),Voltage (V),TMP36_1 (V),TMP36_2 (V),Pressure (V),Humidity (V),Accel_x (V),Accel_y (V),Accel_z (V)";
+
+#include <SPI.h>
+#include <SD.h>
+
+void setup() {
+    Serial.begin(9600);
+
+    delay(100); // arbitrary delay to let the serial monitor start up
+    Serial.print("Initializing SD card...");
+
+    // see if the card is present and can be initialized:
+    if (!SD.begin(chipSelect)) {
+        Serial.println("Card failed, or not present");
+        // don't do anything more:
+        while (1);
+    }
+    Serial.println("card initialized.");
+
+    // now, before we actually start reading data, we need to write the header to the file.
+    // open the file. note that only one file can be open at a time,
+    // so you have to close this one before opening another.
+    File dataFile = SD.open("datalog.csv", FILE_WRITE);
+    if (dataFile) {
+        dataFile.println(header);
+        dataFile.close();
+    } else {
+        Serial.println("error opening datalog.csv");
+    }
+}
+
+void loop() {
+
+    double vDivVal = 0;
+    double tmp1Val = 1;
+    double tmp2Val = 2;
+    double pressVal = 3;
+    double humidVal = 4;
+    double accelxVal = 5;
+    double accelyVal = 6;
+    double accelzVal = 7;
+
+    // Now let's make a nice string to write to the file.
+    // This is a comma-separated value (csv) file, so we need to separate each value with a comma.
+    String dataString = "";
+    // add the time (since boot) in milliseconds
+    dataString += String(millis());
+    dataString += ",";
+    // add the adjusted voltage divider value
+    dataString += String(vDivAdj);
+    dataString += ",";
+    // add the first TMP36 value
+    dataString += String(tmp1Val);
+    dataString += ",";
+    // add the second TMP36 value
+    dataString += String(tmp2Val);
+    dataString += ",";
+    // add the pressure value
+    dataString += String(pressVal);
+    dataString += ",";
+    // add the humidity value
+    dataString += String(humidVal);
+    dataString += ",";
+    // add the x-accel value
+    dataString += String(accelxVal);
+    dataString += ",";
+    // add the y-accel value
+    dataString += String(accelyVal);
+    dataString += ",";
+    // add the z-accel value
+    dataString += String(accelzVal);
+
+    // now let's open the file again
+    File dataFile = SD.open("datalog.csv", FILE_WRITE);
+    // if the file is available, write to it:
+    if (dataFile) {
+        dataFile.println(dataString);
+        dataFile.close();
+    }
+    // if the file isn't open, pop up an error:
+    else {
+        Serial.println("error opening datalog.txt");
+    }
+
+    // This line means we will be printing data to the SD card about once every 500 milliseconds, or half a second
+    delay(500);
+}

library.json

@@ -1,6 +1,6 @@
 {
     "name": "ENGR100-950",
-    "version": "1.0.9",
+    "version": "1.1.0",
     "keywords": "Arduino,library",
     "description": "UMich ENGR 100-950 Library",
     "repository": {

library.properties

@@ -1,5 +1,5 @@
 name=ENGR100-950
-version=1.0.9
+version=1.1.0
 author=Benjamen Miller <[email protected]>
 maintainer=Benjamen Miller <[email protected]>
 sentence=UMich ENGR 100-950 Library