narumi tatsuya
/
ofrance
コダック
Diff: main.cpp
- Revision:
- 0:5d0a1c494baa
- Child:
- 1:f49751c75d5e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sat Dec 19 14:18:47 2020 +0000 @@ -0,0 +1,97 @@ +#include "mbed.h" +#include "BMP180.h" +#include <stdio.h> +#include <math.h> + +#define PIN_SDA D4 +#define PIN_SCL D5 + +Serial pc(SERIAL_TX,SERIAL_RX,921600);//通信 +BMP180 bmp180(PIN_SDA,PIN_SCL);//気圧センサーのピン +Serial xbee(D1,D0);//Xbeeのピン +DigitalOut FET1(D9);//FETのピン +DigitalOut FET2(D8); + +int main(){ + float avalt,x8; + float pressure,temperature,altitude;//気圧,気温,高度 + float v; + int t=0; + + xbee.printf("\rstart!\n\r");//気圧センサースタート + bmp180.Initialize(27,BMP180_OSS_ULTRA_HIGH_RESOLUTION);//27は府大の海抜高度 + xbee.printf("initialization complete!\n\r");//初期化完了 + + while(1){ + float x4,x5,x6,x7,a,b; + float sum=0,altitude[11]; + int r=0; + for(int p=1;p<11;p++){ + if(bmp180.ReadData(&temperature,&pressure)){ + 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[p] = x8; + sum=sum+altitude[p]; + r++; + }else{ + xbee.printf("NO DATA\n\r"); + xbee.printf("---------------------------\n\r"); + wait(1); + } + + avalt=sum/(float)r; + xbee.printf("Altitude(m)\t:%.3f\n\r",avalt); + xbee.printf("--------------------------------\n\r"); + break; + + }wait(3); + } + while(1){ + float y4,y5,y6,y7,c,d; + float y8=avalt; + float speed; + float s=0; + float alti[11]; + float average_alti; + int e=0; + for(int q=1;q<11;q++){ + if(bmp180.ReadData(&temperature,&pressure)){ + 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; + alti[q]= y8; + s=s+alti[q]; + xbee.printf("高度%d回目%f\n\r",q,alti[q]); + xbee.printf("-------------------------------\n\r"); + e++; + }else{ + xbee.printf("NO_Data\n\r"); + } + + average_alti=s/(float)e; + speed = (avalt - average_alti)/3; + + xbee.printf("Altitude(m)\t:%.3f\n\r",average_alti); + xbee.printf("Speed(m/s)\t:%.3f\n\r",speed); + xbee.printf("-------------------------------\n\r"); + + avalt=average_alti; + printf("tの値は%d\n",t); + if(speed<=0.5){ + t=t+1; + } + if(t==3){ + break; + } + }wait(3); + }return 0; + }