Diff: main.cpp

Revision:

2:4425049f4174

Parent:

1:1de97b1145f3

Child:

3:0f441a513e2c

--- a/main.cpp	Wed Aug 16 13:51:57 2017 +0000
+++ b/main.cpp	Thu Aug 31 13:57:01 2017 +0000
@@ -1,10 +1,16 @@
 #include "mbed.h"
+#include <string>
 
 // Read temperature from MAX1363 3-channel ADC
 
 I2C i2c(PB_9 , PB_8);
+DigitalOut Relay(D7);
+Serial pc(SERIAL_TX, SERIAL_RX);
 
-Serial pc(SERIAL_TX, SERIAL_RX);
+std::string str;
+char ch;
+double SetTemp=0;
+float x=0;
 
 // address information for the Serenity temperature sensor device
 const int SLAVE_ADDRESS = 0x34 << 1;
@@ -44,8 +50,18 @@
     return temp_k + CONV_K_TO_C;
 }
 
+void callback(){
+ch=pc.getc();
+str+=ch;
+SetTemp= atof(str.c_str());
+return;
+}
+
+
 int main() {
-    pc.baud(250000);
+    pc.baud(115200);
+    
+    pc.attach(&callback);
 
     // reserve 4 bytes for transfer
     char cmd[4];
@@ -60,7 +76,10 @@
     float values[2] = {0};
 
     while (1) {
-        wait(0.5);
+        //Clear string holding the input from serial
+        str.clear();
+        
+        wait(1);
 
         // clear buffer, only to detect invalid data
         cmd[0] = 0x00;
@@ -81,14 +100,15 @@
                 // handle invalid data
             }
         }
-
+        x=values[1];
+        if (x<SetTemp){
+            Relay=0;
+        }
+        if (x>SetTemp+1){
+            Relay=1;
+        }
         // output temperature data
-        
-        printf("%0.2f\t %0.2f\r\n", values[0], values[1]);
+        printf("%0.2f\t %0.2f\t %0.2f\r\n", SetTemp, values[0], values[1]);
+
     }
 }
-
-
-
-
-