Diff: main.cpp

Revision:

0:aca3a53a33bd

diff -r 000000000000 -r aca3a53a33bd main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Sep 08 09:09:50 2017 +0000
@@ -0,0 +1,110 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+ 
+//Serial pc(USBTX, USBRX);
+Serial pc(dp16,dp15);
+Ticker timer;
+Timer time2 ;
+
+DigitalIn sw(dp17);
+
+int i;//ドリフトを抑えるループの中で使う。
+
+unsigned long beforeTime = 0;
+unsigned long elapsedTime = 0;
+unsigned long nowTime = 0;
+int flagHi = 0 ;
+int rpm = 0 ;
+double t;
+ 
+
+//SDFileSystem sd(p5,p6,p7,p8,"sd");//lpc1768用
+SDFileSystem sd(dp2,dp1,dp6,dp13,"sd");//lpc1114fn28用
+
+AnalogIn vin (dp9);
+AnalogIn hole(dp10);
+
+float v;
+float vin_center=0;
+
+FILE* fp;
+ 
+void SD()
+{
+    
+    fprintf(fp,"%f,%d,%.3f,%.3f\n",t,rpm,v,vin_center);
+    t += 0.01;
+} 
+  
+int main() {
+    
+    //==========初期電圧のドリフトを押さえる=========//
+         for(i=0;i<10;i++){
+             vin_center= vin_center + vin.read()*3.3;
+    wait(0.01);
+   }
+  
+     vin_center=vin_center/10.0;
+    //==========================================//
+    
+    
+    pc.printf("Start!\n");
+   // printf("Start!\n");
+    
+    time2.start();
+    
+    
+    fp = fopen("/sd/power_meter_data.csv", "w");
+    if(fp == NULL) {
+        error("Could not open file for write\n");
+    }
+    
+    pc.printf("Start writing!\n");
+    
+    
+   // printf("Start writing!\n");
+    
+   // void SD_p();
+    
+    fclose(fp);
+    fp = fopen("/sd/power_meter_data.csv", "w");
+//    fprintf(fp,"power_meter_data\n");
+    fprintf(fp,"t,rpm,v,vin_center\n");
+    
+    timer.attach(&SD, 0.01);
+    while(1){
+        
+        v=vin.read()*3.3;
+        
+         //回転数計算
+         
+        nowTime = time2.read_ms();
+        
+        if(hole >= 0.5 && flagHi == 0){//パルスHi
+         pc.printf("%d\r\n",rpm);
+         elapsedTime = nowTime - beforeTime;//前回パルスアップからの経過時間
+           rpm = 60000 / elapsedTime ;
+    beforeTime = time2.read_ms();//今の時間を記録する
+    flagHi = 1;
+  }
+  if (hole <0.5 && flagHi == 1){//パルスLow
+    flagHi = 0;
+  }
+  if(nowTime - beforeTime>6000){
+    elapsedTime=0;
+  }//回転数end   
+        
+        if(sw==1)
+        {
+            timer.detach();
+            break;
+            }
+    }//while end
+    
+    fclose(fp);
+   // printf("Finish!!\n");
+    //printf("Pased time %.2f\n",t);
+    pc.printf("Finish!!\n");
+    pc.printf("Pased time %.2f\n",t);
+    
+}
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