Diff: main.cpp

Revision:

0:bbc3f78d8ad5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Sep 14 04:38:58 2016 +0000
@@ -0,0 +1,60 @@
+#include "mbed.h"
+#include "TSISensor.h"
+#include "SLCD.h"
+#define TSILIMIT 0.99
+#define LCDCHARLEN 10
+#define DATAINTERVAL 0.1
+#define PROGNAME "kl46z_slider_test_v1_modified\n\r"
+
+SLCD slcd; //define LCD display
+Serial pc(USBTX, USBRX);
+
+Timer readTimer; //timer to use instead of wait function
+
+float tsidata;
+
+float oldtsidata = 0.0; //variable to hold data for comparison
+
+void LCDMess(char *lMess){
+        slcd.Home();
+        slcd.clear();
+        slcd.printf(lMess);
+}
+
+int main(void) {
+    char lcdData[LCDCHARLEN];
+    PwmOut gled(LED_GREEN);
+    PwmOut rled(LED_RED);
+    pc.printf(PROGNAME);
+    TSISensor tsi;
+    
+    readTimer.start();
+    readTimer.reset();
+
+     while (true) {
+        if (readTimer > DATAINTERVAL){ //use if statement instead of wait
+            tsidata = tsi.readPercentage();
+            if (tsidata > TSILIMIT){
+                gled = 0.0;
+                rled = 0.0;
+            }else {
+                //have the terminal show info only if the data has changed by 0.01.
+                //would have perferred to use abs() function here but it did not
+                //seem to support importing math libraries -CKM
+                if ( (tsidata - oldtsidata) >= 0.01 || (oldtsidata - tsidata >= 0.01) ){
+                    pc.printf("\n Position %f\n\r", tsidata);
+                    }
+                sprintf (lcdData,"%0.4f",tsidata);  
+                LCDMess(lcdData);  
+                gled = tsidata;
+                rled = 1.0 - tsidata;
+            }//end if-else statement
+            
+            oldtsidata = tsidata;
+            
+            readTimer.reset();
+    }//end while loop
+    
+            //wait(DATAINTERVAL);
+    }
+}
\ No newline at end of file