Diff: main.cpp

Revision:

0:617cc23cd899

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 28 12:20:52 2020 +0000
@@ -0,0 +1,105 @@
+#include "mbed.h"
+#include "BMP180.h"
+#include <math.h>
+#include <stdio.h>
+
+#define PIN_SDA D4
+#define PIN_SCL D5
+Serial pc(SERIAL_TX,SERIAL_RX,921600);
+Serial xbee(D1,D0);
+DigitalOut FET(D9);
+DigitalIn flight(D6);      
+DigitalOut SW(D7); 
+
+
+int main(){
+    float x8;
+    FET=0;
+    SW=1;
+    flight==1;
+ 
+    myled=1; 
+   
+     while(1) {
+    if(flight==1) {
+        wait(10);
+        }
+        
+    else{
+        if(flight==1) {
+        wait(10);
+        }
+        else{
+        myled=0;
+        SW = 0;
+        printf("こんにちわ!");  
+    break;
+            }
+   
+          
+         
+        }
+   }
+    BMP180 bmp180(PIN_SDA,PIN_SCL);
+    float pressure,temperature,altitude;
+    xbee.printf("\rstart!\n\r");
+    bmp180.Initialize(27,BMP180_OSS_ULTRA_HIGH_RESOLUTION);//27は府大の海抜高度
+    xbee.printf("initialization complete!\n\r");
+
+    while(1){
+        if(bmp180.ReadData(&temperature,&pressure)){
+          float x4,x5,x6,x7,a,b;
+            a = pressure;
+            b = temperature;
+            x4 = 1019.11 / a; //海面気圧を気圧でわる
+            x5 = powf(x4, 0.1902225); //5.257ぶんの1
+            x6 = 273.15 + b; //絶対温度
+            x7 = (x5 - 1) * x6;
+            x8 = x7 / 0.0065;
+            altitude = x8;
+            
+            
+            xbee.printf("Altitude(m)\t:%.3f\n\r",altitude);
+            xbee.printf("--------------------------------\n\r");
+            wait(1);
+            break;
+    }else{
+        xbee.printf("NO DATA\n\r");
+        xbee.printf("---------------------------\n\r");
+        wait(1);
+        }
+    }
+        while(i<10){
+            if(bmp180.ReadData(&temperature,&pressure)){
+                float y4,y5,y6,y7,y8,c,d;
+                float speed;
+                
+                c = pressure;
+                d = temperature;
+                y4 = 1019.11 / c; //海面気圧を気圧でわる
+                y5 = powf(y4,0.1902225);
+                y6 = 273.15 + d;
+                y7 = (y5 - 1) * y6;
+                y8 = y7 / 0.0065;
+                altitude = y8;
+                speed = (x8 - y8)/1;
+                
+                xbee.printf("Altitude(m)\t:%.3f\n\r",altitude);
+                xbee.printf("Speed(m/s)\t:%.3f\n\r",speed);
+                xbee.printf("--------------------------------\n\r");
+                x8 = y8;
+                wait(1);
+                i++;
+                if(speed<=0){
+                    break;
+                    }}
+                else{
+                    xbee.printf("NO DATA\n\r");
+                    wait(1);
+                    }
+           }         
+    FET=1;
+wait(20);
+FET=0;
+return 0;
+}
\ No newline at end of file