Revision 0:720912d4ddcb, committed 2018-11-28

Comitter:

SteakNinja

Date:

Wed Nov 28 16:41:20 2018 +0000

Commit message:

A simple example program showing how to get data from sensors (Mbed Application Board), send/receive the data via pre-configured Xbee (Serial on Xbee footprint) using a JSON style message structure and switch mode of LCD display with Joystick Down.

Changed in this revision

diff -r 000000000000 -r 720912d4ddcb C12832.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C12832.lib	Wed Nov 28 16:41:20 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/chris/code/C12832/#7de323fa46fe

diff -r 000000000000 -r 720912d4ddcb LM75B.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LM75B.lib	Wed Nov 28 16:41:20 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/neilt6/code/LM75B/#7ac462ba84ac

diff -r 000000000000 -r 720912d4ddcb MMA7660.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA7660.lib	Wed Nov 28 16:41:20 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/Sissors/code/MMA7660/#36a163511e34

diff -r 000000000000 -r 720912d4ddcb main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Nov 28 16:41:20 2018 +0000
@@ -0,0 +1,108 @@
+#include "mbed.h"
+#include "LM75B.h"
+#include "MMA7660.h"
+#include "C12832.h"
+
+DigitalOut myled(LED1);
+AnalogIn pot1(p19);
+AnalogIn pot2(p20);
+InterruptIn JoyDown(p12);
+LM75B temp(p28, p27);
+MMA7660 MMA(p28,p27);
+C12832 lcd(p5,p7,p6,p8,p11);
+Serial xbee(p9,p10);
+Serial pc(USBTX, USBRX);
+char Buffer[70];
+bool isSplitMode = false;
+char allDelimiters[] = "{}\":,";
+char* strArray[100];
+
+//Split string using preset characters
+void delimitJson()
+{
+    char* pch = strtok(Buffer, allDelimiters);
+    int i = 0;
+    while (pch != NULL) {
+        strArray[i] = pch;
+        pch = strtok (NULL, allDelimiters);
+        i++;
+    }
+    pch = NULL;
+}
+
+void switchMode()
+{
+    //Switch between split display and JSON display mode
+    isSplitMode = !isSplitMode;
+}
+
+void RxData()
+{
+    //Check if data is received
+    if (xbee.readable()) {
+        //Put new serial data into Buffer until a '\n' (New Line) character is detected
+        xbee.scanf("%67s",Buffer);
+    }
+    if (isSplitMode)
+    {
+        //Split the string into a Char Array called strArray
+        delimitJson();
+        //Draw first two entries in the array (Temp: value)
+        lcd.cls();
+        lcd.locate(0,0);
+        lcd.printf("%s:",strArray[0]);
+        lcd.locate(25,0);
+        lcd.printf(strArray[1]);
+        //Draw next two entries in the array (X: value)
+        lcd.locate(0,10);
+        lcd.printf("%s:",strArray[2]);
+        lcd.locate(25,10);
+        lcd.printf(strArray[3]);
+        //Draw next two entries in the array (Y: value)
+        lcd.locate(0,20);
+        lcd.printf("%s:",strArray[4]);
+        lcd.locate(25,20);
+        lcd.printf(strArray[5]);
+        //Draw next two entries in the array (Z: value)
+        lcd.locate(60,0);
+        lcd.printf("%s:",strArray[6]);
+        lcd.locate(85,0);
+        lcd.printf(strArray[7]);
+        //Draw next two entries in the array (Pot1: value)
+        lcd.locate(60,10);
+        lcd.printf("%s:",strArray[8]);
+        lcd.locate(85,10);
+        lcd.printf(strArray[9]);
+        //Draw last two entries in the array (Pot2: value)
+        lcd.locate(60,20);
+        lcd.printf("%s:",strArray[10]);
+        lcd.locate(85,20);
+        lcd.printf(strArray[11]);
+    } else {
+        lcd.cls();
+        lcd.locate(0,0);
+        lcd.printf(Buffer);
+    }
+}
+
+int main()
+{
+    //Attach receive interrupt to xbee serial pins
+    xbee.attach(&RxData, Serial::RxIrq);
+    //Attach button interrupt to the switchMode method
+    JoyDown.rise(&switchMode);
+    //Initialise LM75B temperature sensor
+    if (temp.open()) {
+        pc.printf("\r\nLM75B Operational\r\n");
+    }
+
+    while(1) {
+        //Flash LED so we know program is running
+        myled = 1;
+        wait(0.2);
+        myled = 0;
+        wait(0.2);
+        //Send current data from sensors to Xbee
+        xbee.printf("{Temp:%.3f,X:%.4f,Y:%.4f,Z:%.4f,Pot1:%.3f,Pot2:%.3f}\n", temp.temp(), MMA.x(), MMA.y(), MMA.z(), pot1.read(), pot2.read());
+    }
+}

diff -r 000000000000 -r 720912d4ddcb mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Nov 28 16:41:20 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc
\ No newline at end of file