Diff: main.cpp

Revision:

0:be53fac41c7a

Child:

1:81905675b73e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 06 17:50:58 2016 +0000
@@ -0,0 +1,100 @@
+#include "mbed.h"
+#include <math.h>
+#include "TSISensor.h"
+#include "SLCD.h"
+
+#define LEDON false
+#define FEDOFF true
+#define NUMBUTS 2
+#define LBUT PTC12
+#define RBUT PTC3
+#define ARGUENTSTATE 0
+#define ARGUMENTANSWER 1
+#define TSILIMIT 0.01
+#define PRINTDELTA 0.01
+#define LCDCHARLEN 10
+#define DATAINTERVAL 0.1
+#define BUTTONTIME 0.1
+#define PROGNAME "kSquareRoot_Calculator_KL46Z\n\r"
+
+SLCD slcd; //define LCD display
+Serial pc(USBTX, USBRX);
+
+Timer dataTimer;
+Timer buttonTimer;
+DigitalIn buttons[NUMBUTS] = {RBUT, LBUT};
+
+float tsiData;
+int displayState;
+
+void initialize_global_vars(){
+    pc.printf(PROGNAME);
+    
+    buttonTimer.start();
+    buttonTimer.reset();
+    dataTimer.start();
+    dataTimer.reset();
+}
+
+void LCDMess(char *lMess){
+        slcd.Home();
+        slcd.clear();
+        slcd.printf(lMess);
+}
+
+int squareRoot(int val) {
+    double sqr = 0;
+    
+    return sqr;
+}
+
+int main(void) {
+    int i;  
+    float lastTouch = 0.0;
+    char lcdData[LCDCHARLEN];
+    PwmOut gled(LED_GREEN);
+    PwmOut rled(LED_RED);
+    pc.printf(PROGNAME);
+    TSISensor tsi;
+    float tempTSI;
+
+    initialize_global_vars();
+
+    while (true) {
+        if (buttonTimer > BUTTONTIME) {
+            for (i = 0; i < NUMBUTS; i++) {
+                if(!buttons[i]) {
+                    displayState = i;
+                }
+            }
+            //Get slider value
+            if (displayState == 0) {
+                rled = 1.0;
+                gled = 0.0;
+                if (dataTimer.read() > DATAINTERVAL) {
+                    dataTimer.reset();
+                    tempTSI = tsi.readPercentage();
+                    tempTSI = tempTSI * 100;
+                    if (tempTSI > TSILIMIT) {
+                        tsiData = tempTSI;
+                        if (tempTSI > TSILIMIT) {
+                            tsiData = tempTSI;
+                            if (fabs(tsiData - lastTouch) > PRINTDELTA) {
+                                pc.printf("Position %0.4f\n\r", tsiData);
+                            }
+                        }
+                        lastTouch = tsiData;
+                    }
+                }                              
+            } 
+            //Perform SquareRoot
+            else {
+                rled = 0.0;
+                gled = 1.0;               
+            }
+            buttonTimer.reset();
+            sprintf(lcdData,"%0.4f",tsiData);
+            LCDMess(lcdData);
+        }   
+    }
+}
\ No newline at end of file