Diff: main.cpp

Revision:

0:42ab58db8182

Child:

1:91d6b2ee7a2e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Jan 21 06:18:59 2017 +0000
@@ -0,0 +1,65 @@
+/*** Include ***/
+#include "mbed.h"
+#include "rtos.h"
+
+#include "typedef.h"
+
+/*** Define ***/
+#define ON      (1)
+#define OFF     (0)
+
+#define SAMPLING_RATE   (0.001)     /* A/D sampling rate (1kHz) */
+#define MAINCYCLE 200               /* [ms] */
+
+/*** Global Variable ***/
+DigitalOut  myled(LED1);            /* 起動確認用 */
+Ticker      sampling;               /* Interval timer for A/D sampling */
+AnalogIn    wave_in(p20);           /* Waveform input */
+Serial      pc(USBTX, USBRX);       /* tx, rx */
+Timer       timer;
+
+UINT32      g_sendFlg;
+
+/*** Functions ***/
+/* A/D変換割り込み */
+void ad_sampling(){
+    INT32 i = 0;
+    i++;
+    
+    /* A/D変換完了後送信 */
+    g_sendFlg = 1;
+}
+
+
+INT32 main() {
+    INT32 i = 0;
+    DBL64 st = 0;
+    DBL64 et = 0;
+    myled = 1;
+    
+    /* Start interval timer */
+    sampling.attach(&ad_sampling, SAMPLING_RATE);
+    
+    while(1) {
+        /* timer read */
+        st = timer.read_ms();
+        
+        /* メイン処理 */
+        myled = !myled;
+        i++;
+        
+        /* データ送信判定 */
+        if(g_sendFlg == 1) {
+            /* データ送信 */
+            i++;
+            
+            /* フラグリセット */
+            g_sendFlg = 0;
+        }
+        
+        /* timer read */
+        et = timer.read_ms();
+        /* 制御周期まで待機 */
+        Thread::wait((uint32_t)(MAINCYCLE - (et - st)));
+    }
+}