kohei oikawa / Mbed 2 deprecated 2017_11_1114

2017.11伊豆大島共同打ち上げ実験の開放用プログラム

Dependencies:   BMP180 MPU6050 mbed

Fork of Sample_BMP180 by CORE

main.cpp@0:0ff20d8e9090, 2016-06-07 (annotated)

Committer:
mikawataru
Date:
Tue Jun 07 05:17:35 2016 +0000
Revision:
0:0ff20d8e9090
Child:
1:b9ea35d93329
sample of using BMP180

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mikawataru 0:0ff20d8e9090 1 #include "mbed.h"
mikawataru 0:0ff20d8e9090 2 #include "math.h"
mikawataru 0:0ff20d8e9090 3 #include "BMP180.h"
mikawataru 0:0ff20d8e9090 4 #define p0 1013.25f//海面気圧
mikawataru 0:0ff20d8e9090 5
mikawataru 0:0ff20d8e9090 6 DigitalOut myled(LED1);
mikawataru 0:0ff20d8e9090 7 Serial pc(USBTX,USBRX);
mikawataru 0:0ff20d8e9090 8 BMP180 bmp(PB_7, PB_6);
mikawataru 0:0ff20d8e9090 9 Timer timer;
mikawataru 0:0ff20d8e9090 10
mikawataru 0:0ff20d8e9090 11 float getAlt(float press, float temp);
mikawataru 0:0ff20d8e9090 12
mikawataru 0:0ff20d8e9090 13 int main() {
mikawataru 0:0ff20d8e9090 14 float pressure,temperature,altitude;
mikawataru 0:0ff20d8e9090 15 float time;
mikawataru 0:0ff20d8e9090 16 bmp.Initialize(64,BMP180_OSS_ULTRA_LOW_POWER);
mikawataru 0:0ff20d8e9090 17 pc.printf("time, temperature ,pressure, altitude\r\n");
mikawataru 0:0ff20d8e9090 18 timer.start();
mikawataru 0:0ff20d8e9090 19
mikawataru 0:0ff20d8e9090 20 while(1) {
mikawataru 0:0ff20d8e9090 21 bmp.ReadData(&temperature,&pressure);
mikawataru 0:0ff20d8e9090 22 altitude = getAlt(pressure,temperature);
mikawataru 0:0ff20d8e9090 23 time = timer.read();
mikawataru 0:0ff20d8e9090 24 pc.printf("%f, %f, %f, %f \r\n",time, temperature, pressure, altitude);
mikawataru 0:0ff20d8e9090 25 myled =! myled;
mikawataru 0:0ff20d8e9090 26 wait(1);
mikawataru 0:0ff20d8e9090 27 }
mikawataru 0:0ff20d8e9090 28 }
mikawataru 0:0ff20d8e9090 29
mikawataru 0:0ff20d8e9090 30 float getAlt(float press, float temp){
mikawataru 0:0ff20d8e9090 31 return (pow((p0/press), (1.0f/5.257f))-1.0f)*(temp+273.15f)/0.0065f;
mikawataru 0:0ff20d8e9090 32 }