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-rw-r--r--libraries/Bridge/examples/TimeCheck/TimeCheck.ino96
1 files changed, 96 insertions, 0 deletions
diff --git a/libraries/Bridge/examples/TimeCheck/TimeCheck.ino b/libraries/Bridge/examples/TimeCheck/TimeCheck.ino
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+
+/*
+ Time Check
+
+ Gets the time from the linino processor via Bridge
+ then parses out hours, minutes and seconds for the Arduino
+ using an Arduino Yun.
+
+ created 27 May 2013
+ By Tom Igoe
+ */
+
+
+#include <Process.h>
+
+Process date; // process used to get the date
+int hours, minutes, seconds; // for the results
+int lastSecond = -1; // need an impossible value for comparison
+
+void setup() {
+ Serial.begin(9600); // initialize serial
+ Bridge.begin(); // initialize Bridge
+ delay(2000); // wait 2 seconds
+
+ while(!Serial); // wait for Serial Monitor to open
+ Serial.println("Time Check"); // Title of sketch
+
+ // run an initial date process. Should return:
+ // hh:mm:ss :
+ if (!date.running()) {
+ date.begin("date");
+ date.addParameter("+%T");
+ date.run();
+ }
+}
+
+void loop() {
+
+ if(lastSecond != seconds) { // if a second has passed
+ // print the time:
+ if (hours <= 9) Serial.print("0"); // adjust for 0-9
+ Serial.print(hours);
+ Serial.print(":");
+ if (minutes <= 9) Serial.print("0"); // adjust for 0-9
+ Serial.print(minutes);
+ Serial.print(":");
+ if (seconds <= 9) Serial.print("0"); // adjust for 0-9
+ Serial.println(seconds);
+
+ // restart the date process:
+ if (!date.running()) {
+ date.begin("date");
+ date.addParameter("+%T");
+ date.run();
+ }
+ }
+
+ //if there's a result from the date process, parse it:
+ while (date.available()>0) {
+ // get the result of the date process (should be hh:mm:ss):
+ String timeString = date.readString();
+
+ // find the colons:
+ int firstColon = timeString.indexOf(":");
+ int secondColon= timeString.lastIndexOf(":");
+
+ // get the substrings for hour, minute second:
+ String hourString = timeString.substring(0, firstColon);
+ String minString = timeString.substring(firstColon+1, secondColon);
+ String secString = timeString.substring(secondColon+1);
+
+ // convert to ints,saving the previous second:
+ hours = hourString.toInt();
+ minutes = minString.toInt();
+ lastSecond = seconds; // save to do a time comparison
+ seconds = secString.toInt();
+
+ /*
+ NOTE: If the parseInt() and parseFloar() methods from Stream
+ were included with Process, this would be simpler:
+
+ hours = date.parseInt();
+ minutes = date.parseInt();
+ seconds = date.parseInt();
+
+ */
+ }
+
+}
+
+
+
+
+
+
+