arduino stuffs
Diffstat (limited to 'libraries/SD/examples/Datalogger/Datalogger.ino')
| -rw-r--r-- | libraries/SD/examples/Datalogger/Datalogger.ino | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/libraries/SD/examples/Datalogger/Datalogger.ino b/libraries/SD/examples/Datalogger/Datalogger.ino deleted file mode 100644 index c2631c0..0000000 --- a/libraries/SD/examples/Datalogger/Datalogger.ino +++ /dev/null @@ -1,84 +0,0 @@ -/* - SD card datalogger - - This example shows how to log data from three analog sensors - to an SD card using the SD library. - - The circuit: - analog sensors on analog ins 0, 1, and 2 - SD card attached to SPI bus as follows: - ** MOSI - pin 11 - ** MISO - pin 12 - ** CLK - pin 13 - ** CS - pin 4 (for MKRZero SD: SDCARD_SS_PIN) - - created 24 Nov 2010 - modified 9 Apr 2012 - by Tom Igoe - - This example code is in the public domain. - -*/ - -#include <SPI.h> -#include <SD.h> - -const int chipSelect = 4; - -void setup() { - // Open serial communications and wait for port to open: - Serial.begin(9600); - while (!Serial) { - ; // wait for serial port to connect. Needed for native USB port only - } - - - 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."); -} - -void loop() { - // make a string for assembling the data to log: - String 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 += ","; - } - } - - // 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.txt", FILE_WRITE); - - // 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"); - } -} - - - - - - - - - |