Diff: main.cpp

Revision:

0:ec602a5f600c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Feb 18 23:28:42 2018 +0000
@@ -0,0 +1,90 @@
+#include "mbed.h"
+//成功バージョン
+Serial twe(p9, p10); // tx, rx
+Serial pc(USBTX,USBRX);
+DigitalOut myled(LED1);
+
+#define DATA_SIZE 11
+
+InterruptIn rpmcount(p17);  //回転数用のフォトインタラプタ読み取り
+
+int rpm=0;
+int rpmcounter = 0;
+double time_s = 0,time_ms=0;
+Ticker ticker;//updateのタイマー割り込み
+
+//int rpm=60;
+struct{
+    char highbyte;
+    char lowbyte;
+    short intdat;
+    }data;
+
+ char s[11] ;//this can take up to 10 byte characters
+
+Timer t,t1;
+
+void rpm_c();
+void rpm_f();
+void update();
+void rpm_t();
+
+void rpm_c()  //回転数のフォトインタラプタ
+{
+    rpmcounter++;
+}
+
+void rpm_f()  //回転数計測
+{
+    
+    rpm = (int)(rpmcounter * 60000/time_ms/48);
+    
+    rpmcounter = 0;
+} 
+ 
+ 
+void rpm_t(){
+        /*:は送信時に必要なヘッダー。78は相手のID(0x78)。01は送信コマンドとして必要。
+                  39は任意の値。Xはチェックサムの省略形。 \r\nは改行コマンド*/
+                rpm+=1000;
+                sprintf(s, ":7801%dX\r\n",rpm);
+                /*配列sにまとめて代入。*/
+                 for (int  i = 0 ; i < DATA_SIZE ; i++){  
+                      twe.putc(s[i]);
+                     } 
+                     /*DATESIZEはこの場合11*/
+                     rpm=0;
+                     
+                     }
+ 
+ void update(){
+     
+     
+     time_ms = t1.read_ms();//周期時間読み取り
+    t1.stop();
+    t1.reset();
+    rpm_f();
+    rpm_t();
+    t1.start();
+    
+    myled = !myled;
+     
+ }
+ 
+int main() {
+       twe.baud(115200);
+       pc.baud(115200);
+       t1.start();
+       
+       //=============-interruptInの信号の読み取り(回転数計)==============//
+       rpmcount.rise(&rpm_c);
+       //===============================================================================//
+        
+       ticker.attach(&update,1);//1秒ごとに更新関数の発動
+    
+    }
+    
+    
+    
+    
+