Diff: main.cpp

Revision:

1:1cda1fafd448

Parent:

0:7dcfd77d344d

--- a/main.cpp	Sun May 08 09:03:08 2011 +0000
+++ b/main.cpp	Tue Sep 08 06:22:48 2015 +0000
@@ -1,32 +1,42 @@
+
+#include "TextLCD.h"
 #include "mbed.h"
-#include "TextLCD.h"
+#include "adc.h"
 #include "EthernetNetIf.h"
 #include "HTTPServer.h"
 
-DigitalOut led1(LED1,"led1");
-DigitalOut led2(LED2,"led2");
-DigitalOut led3(LED3,"led3");
-DigitalOut led4(LED4,"led4");
-
-TextLCD lcd(p24, p26, p27, p28, p29, p30);
-
-#if 1
-/*
- * Use DHCP
- */
-        EthernetNetIf ethif;
-#else
-/*
- * Use "static IP address" (Parameters:IP, Subnet mask, Gateway, DNS)
- */
-        EthernetNetIf ethif(IpAddr(xxx,xxx,xxx,xxx), IpAddr(xxx,xxx,xxx,xxx), IpAddr(xxx,xxx,xxx,xxx), IpAddr(xxx,xxx,xxx,xxx));
-#endif
-    
+#define SAMPLE_RATE     150000
+#define NUM 3000
+Ticker ticker;
+EthernetNetIf ethif(IpAddr(192,168,11,26), IpAddr(255,255,255,0), IpAddr(192,168,11,1), IpAddr(192,168,11,1));
     HTTPServer server;
     LocalFileSystem local("local");
+    FILE *fp; 
+TextLCD lcd(p24, p26, p27, p28, p29, p30);
+int x;
+int volt_max;
+DigitalOut mled1(LED1);
+DigitalOut mled2(LED2);
+DigitalOut mled3(LED3);
+DigitalOut mled4(LED4);
+InterruptIn in_p6(p6);
+DigitalIn di(p5); 
+DigitalOut check(p8);
 
-int main(void) {
+ADC adc(SAMPLE_RATE, 1); 
 
+int main()
+{
+int volt[2000];
+int a[5];
+int n=0, m=0, p=0, v=0, q=0;
+int v1, v2, v3;
+int min;
+    check = 0;
+    
+    adc.setup(p19,1);
+            volt_max=0;
+            mled1 = 1;
     Base::add_rpc_class<DigitalOut>();
 
     lcd.cls();
@@ -37,19 +47,80 @@
         error("Ethernet setup failed.");
         return 1;
     }
-    IpAddr ethIp=ethif.getIp();
     
-    lcd.locate(0,1);
-    lcd.printf("%d.%d.%d.%d", ethIp[0], ethIp[1], ethIp[2], ethIp[3]);
-    led1=1;
     wait(1);
     server.addHandler<SimpleHandler>("/hello");
     server.addHandler<RPCHandler>("/rpc");
     FSHandler::mount("/local", "/");
     server.addHandler<FSHandler>("/");
     server.bind(80);
-    while (1) {
-        Net::poll();
-    }
-    return 0;
-}
+    
+while(1){
+    n=0; q=0; p=0; m=0; v=0;
+if(di){ 
+            mled2= 1;
+            for(n=1;n<2000;n++){
+                adc.select(p19);         // Measure pin 19
+                adc.start();             // Start ADC conversion
+                while(!adc.done(p19));   // Wait for it to complete
+                volt[n]=adc.read(p19);
+                mled3 = 1;
+                        }
+         mled4=1;
+         mled1=mled3=0;                                        //while loop end
+         
+         volt_max=1;
+            for( n = 100; n < 1800; n++ ){
+                    if(volt_max<volt[n]*3300/4096){
+                    volt_max=volt[n]*3300/4096;
+                    m=n;
+                    }  
+        if(v==0){
+            if(volt_max > 570){
+                    p=m;
+                    v=1;
+                    x=p*100/610;
+                                }
+                }    
+                    }      
+    v1=3720.9*exp(-0.009*x);
+    v2=2589.6*exp(-0.035*x);
+    v3=828.39*exp(-0.041*x); 
+    
+    a[0]=abs(volt_max-v1);
+    a[1]=abs(volt_max-v2);
+    a[2]=abs(volt_max-v3);
+    
+    if(x > 29 && x < 151){    
+    min=a[0];
+    for(n = 1 ; n < 3 ; n++ ){
+        if(min > a[n]){
+            min=a[n];
+            q=n;
+            }
+        }
+    lcd.cls();        
+/*    if(q==0){
+                lcd.locate(0,0);
+                lcd.printf("acrylic plate");
+            }
+        else if(q==1){
+                lcd.locate(0,0);
+                lcd.printf("towel");
+                      }
+        else if(q==2){
+                lcd.locate(0,0);
+                lcd.printf("sponge");
+                      } 
+            }
+    else { 
+          lcd.locate(0,0);
+          lcd.printf("Undeterminable");
+          }                    */
+        lcd.locate(0,1);
+        lcd.printf("%d[mV]  %d[cm]",volt_max,x);
+        if (x>50 && x<120) check = 1;
+        else check = 0;
+        }
+        }
+    }}      
\ No newline at end of file