Diff: main.cpp

Revision:

2:bb80af536422

Parent:

1:126dd2f5fc2d

Child:

3:b20239a6bd91

--- a/main.cpp	Wed Jan 24 21:55:43 2018 +0000
+++ b/main.cpp	Fri Feb 09 23:34:47 2018 +0000
@@ -7,15 +7,58 @@
 
 Ticker tick;                // Ticker for reading analog
 AnalogIn ain(A0) ;          // Analog input
-DigitalOut led1(LED_RED);   // Red LED
+DigitalIn b1(D15, PullUp);
+//DigitalOut led1(LED_RED);   // Red LED
+DigitalOut ledy(PTD5);
+DigitalOut ledb(PTA13);
+DigitalOut ledr(PTD0);
+DigitalOut ledw(PTD2);
+DigitalOut ledg(PTD3);
+volatile int pressEvent = 0 ;  
+Serial pc(USBTX, USBRX); // tx, rx, for debugging
+
+
 
-Serial pc(USBTX, USBRX); // tx, rx, for debugging
+enum buttonPos { up, down, bounce }; // Button positions
+void polling() {
+    buttonPos pos = up ;//chose positing in enum
+    int bcounter = 0 ;
+    while (true) {
+        switch (pos) {
+            case up :
+                if (!b1.read()) {    // now down 
+                    pressEvent = 1 ;  // transition occurred
+                    pos = down ;
+                }
+                break ;
+            case down : 
+                if (b1 == 1) { // no longer down
+                    bcounter = 3 ; // wait four cycles
+                    pos = bounce ;
+                }
+                break ;
+            case bounce :
+                if (b1 == 0) { // down again - button has bounced
+                    pos = down ;   // no event
+                } else if (bcounter == 0) {
+                    pos = up ;     // delay passed - reset to up
+                } else {
+                    bcounter-- ;   // continue waiting
+                }
+                break ;
+        }
+        Thread::wait(30);
+    }
+}
 
 // Message type
 typedef struct {
   uint16_t analog; /* Analog input value */
 } message_t;
-
+Thread pollT ; // thread to poll
+void buttonCallback(){
+    pressEvent = 1 ;
+}
 // Mail box
 Mail<message_t, 2> mailbox;
 
@@ -24,6 +67,7 @@
 // Every 10th value is sent to mailbox
 volatile int samples = 0 ;
 volatile uint16_t smoothed = 0 ; 
+
 void readA0() {
     smoothed = (smoothed >> 1) + (ain.read_u16() >> 1) ;
     samples++ ;
@@ -53,20 +97,75 @@
 //   Attach ISR for ticker
 //   Procss messages from mailbox    
 int main() {
-    led1 = 1 ; // turn off 
+    bool change_detect = false;
+    bool max_volt = false;
+    pollT.start(callback(polling));//start thread to check button
     int volts = 0 ;
-    const int threshold = 100 ;
+    int threshold[6] = {55,110,165,220,275,330} ;
     int counter = 0 ;
     char vstring[] = "X.XX\r\n" ;
-
     tick.attach_us(callback(&readA0), 10000); // ticks every 10ms
     while (true) {
+     
+        if(pressEvent)
+        {
+            pressEvent=0
+            max = !max_volt;
+            change_detect=false;
+            }
         osEvent evt = mailbox.get(); // wait for mail 
         if (evt.status == osEventMail) {
             message_t* mess = (message_t*)evt.value.p ;
             volts = (mess->analog * 330) / 0xffff ;
             mailbox.free(mess) ;  // free the message space
-            if (volts > threshold) led1 = 0 ; else led1 = 1 ;
+      
+            if(volts <=(threshold[0]) and max_volt=false){
+                ledy = 0;
+                ledb = 0;
+                ledr = 0;
+                ledw = 0;
+                ledg = 0;    
+                }
+            else if(volts >=(threshold[0])&&volts <=(threshold[1] and max_volt=false)){//1.1 && volts < 1.65){
+                ledy = 1;
+                ledb = 0;
+                ledr = 0;
+                ledw = 0;
+                ledg = 0;   
+                }
+            else if(volts >=(threshold[1])&&volts <=(threshold[2] and max_volt=false)){
+                ledy = 1;
+                ledb = 1;
+                ledr = 0;
+                ledw = 0;
+                ledg = 0;  
+                }
+            else if(volts >=(threshold[2])&&volts <=(threshold[3]) and max_volt=false){
+                ledy = 1;
+                ledb = 1;
+                ledr = 1;
+                ledw = 0;
+                ledg = 0; 
+                }
+            else if(volts >=(threshold[3])&&volts <=(threshold[4]) and max_volt=false){
+                ledy = 1;
+                ledb = 1;
+                ledr = 1;
+                ledw = 1;
+                ledg = 0;  
+                }   
+            else if(volts >=(threshold[4])&&volts <=(threshold[5]) and max_volt=true){
+                ledy = 1;
+                ledb = 1;
+                ledr = 1;
+                ledw = 1;
+                ledg = 1;  
+                }  
+                if(volts>=(threshold[5])){
+                    max_power=false;
+                    
+                    }
+                    else{}
             vToString(volts, vstring) ;
             counter++ ;
             if (counter == 10) {  // limit bandwidth of serial
@@ -74,6 +173,5 @@
                 counter = 0 ;
             }
         }
-
     }
 }