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Diffstat (limited to 'libraries/Bridge/examples/Datalogger')
-rw-r--r-- | libraries/Bridge/examples/Datalogger/Datalogger.ino | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/libraries/Bridge/examples/Datalogger/Datalogger.ino b/libraries/Bridge/examples/Datalogger/Datalogger.ino deleted file mode 100644 index 2d792a4..0000000 --- a/libraries/Bridge/examples/Datalogger/Datalogger.ino +++ /dev/null @@ -1,99 +0,0 @@ -/* - SD card datalogger - - This example shows how to log data from three analog sensors - to an SD card mounted on the Arduino Yún using the Bridge library. - - The circuit: - * analog sensors on analog pins 0, 1 and 2 - * SD card attached to SD card slot of the Arduino Yún - - Prepare your SD card creating an empty folder in the SD root - named "arduino". This will ensure that the Yún will create a link - to the SD to the "/mnt/sd" path. - - You can remove the SD card while the Linux and the - sketch are running but be careful not to remove it while - the system is writing to it. - - created 24 Nov 2010 - modified 9 Apr 2012 - by Tom Igoe - adapted to the Yún Bridge library 20 Jun 2013 - by Federico Vanzati - modified 21 Jun 2013 - by Tom Igoe - - This example code is in the public domain. - - */ - -#include <FileIO.h> - -void setup() { - // Initialize the Bridge and the Serial - Bridge.begin(); - Serial.begin(9600); - FileSystem.begin(); - - while(!Serial); // wait for Serial port to connect. - Serial.println("Filesystem datalogger\n"); -} - - -void loop () { - // make a string that start with a timestamp for assembling the data to log: - String dataString; - dataString += getTimeStamp(); - dataString += " = "; - - // read three sensors and append to the string: - for (int analogPin = 0; analogPin < 3; analogPin++) { - int sensor = analogRead(analogPin); - dataString += String(sensor); - if (analogPin < 2) { - dataString += ","; // separate the values with a comma - } - } - - // open the file. note that only one file can be open at a time, - // so you have to close this one before opening another. - // The FileSystem card is mounted at the following "/mnt/FileSystema1" - File dataFile = FileSystem.open("/mnt/sd/datalog.txt", FILE_APPEND); - - // if the file is available, write to it: - if (dataFile) { - dataFile.println(dataString); - dataFile.close(); - // print to the serial port too: - Serial.println(dataString); - } - // if the file isn't open, pop up an error: - else { - Serial.println("error opening datalog.txt"); - } - - delay(15000); - -} - -// This function return a string with the time stamp -String getTimeStamp() { - String result; - Process time; - // date is a command line utility to get the date and the time - // in different formats depending on the additional parameter - time.begin("date"); - time.addParameter("+%D-%T"); // parameters: D for the complete date mm/dd/yy - // T for the time hh:mm:ss - time.run(); // run the command - - // read the output of the command - while(time.available()>0) { - char c = time.read(); - if(c != '\n') - result += c; - } - - return result; -} |