Diff: main.cpp

Revision:

0:2d3a72735265

Child:

1:054435f5db1c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Sep 18 03:17:27 2018 +0000
@@ -0,0 +1,65 @@
+#include "mbed.h"
+#include "HCSR04.h"
+#include "Servo.h"
+
+DigitalIn PIR(D4);
+AnalogIn LDR(A0);
+AnalogIn Gas(A1);
+
+
+Serial pc(USBTX,USBRX);
+Serial esp_serial(PA_13,PA_14);
+
+int val,ldr_val,gas_val;
+int dist;
+
+HCSR04 ultrasonic(D9,D7); //trigger,echo
+Servo servo(D14);
+
+int main()
+{
+    pc.baud(9600);
+    esp_serial.baud(115200);
+    pc.printf("begin");
+    
+    while(1) {
+        
+        val = PIR.read();
+        if(val==1) {
+            
+            pc.printf("Motion Detected\n");
+            dist = ultrasonic.distance(1);
+            pc.printf("the distance is %d cm\n",dist);
+            esp_serial.printf("U");
+            esp_serial.printf("%d",dist);
+            esp_serial.putc('\0');
+
+            if (dist>5.0) {
+                servo.position(180);
+                wait(5);
+                servo.position(0);
+            }
+
+            } else {
+                pc.printf("Motion ended\n");
+                
+            }
+            
+            
+            
+        ldr_val = LDR.read_u16();
+            
+        pc.printf("ldr: %d\n",ldr_val);
+        esp_serial.printf("L");
+        esp_serial.printf("%d",ldr_val);
+        esp_serial.putc('\0');
+        wait(5);
+        
+        
+        gas_val = Gas.read_u16();
+        pc.printf("gas: %d\n",gas_val);
+        esp_serial.printf("G");
+        esp_serial.printf("%d",gas_val);
+        esp_serial.putc('\0');
+        }
+    }
\ No newline at end of file