Diff: main.cpp

Revision:

0:43e0ed642bd9

diff -r 000000000000 -r 43e0ed642bd9 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jul 31 06:52:47 2016 +0000
@@ -0,0 +1,89 @@
+#include "mbed.h"
+
+// for debug
+DigitalOut leds[]  = {
+    DigitalOut( LED1 ),
+    DigitalOut( LED2 ),
+    DigitalOut( LED3 ),
+    DigitalOut( LED4 )
+};
+Serial pc( USBTX, USBRX );
+
+//TA7774PG
+class Stepper {
+public:
+    Stepper(PinName in_a, PinName in_b, PinName pws) : _in_a(in_a), _in_b(in_b), _pws(pws) {
+        _in_a = 0;
+        _in_b = 0;
+        _pws = 0;
+        _next_a = true;
+    }
+    void next() {
+        //_pws = 0;
+        //wait(1.0); // for pws
+        if( _next_a ) {
+            _in_a = !_in_a;
+        } else {
+            _in_b = !_in_b;
+        }
+        //_pws = 1;
+        _next_a = !_next_a;
+    }
+private:
+    DigitalOut _in_a;
+    DigitalOut _in_b;
+    DigitalOut _pws;
+    bool       _next_a;
+};
+
+Ticker ti;
+Stepper st( p23, p22, p21 );
+
+// 12hour = 720min to 360 step (mode 1)
+const float DAILY_INTERVAL = 120.0;
+// 1hour = 60min to 720 step (mode 2)
+const float HOURLY_INTERVAL = 10.0;
+// for adjust (mode 3)
+const float ADJUST_INTERVAL = 1.0;
+
+// switch mode
+DigitalIn sw_a(p24, PullUp);
+DigitalIn sw_b(p25, PullUp);
+int mode = 1;
+
+int main() {
+    ti.attach(&st, &Stepper::next, DAILY_INTERVAL);
+    wait(2.0);
+//    for( int i=0; i < 360; i++ ){
+//        leds[0] = !leds[0];
+//        st.next();
+//        wait(2.0);
+//    }
+    
+    while ( true ) {
+        int previous_mode = mode;
+        if ( sw_a && sw_b ) {
+            mode = 1;
+        } else if ( sw_a ) {
+            mode = 2;
+        } else {
+            mode = 3;
+        }
+        if ( previous_mode != mode ) {
+            ti.detach();
+            switch ( mode ) {
+                case 1:
+                    ti.attach(&st, &Stepper::next, DAILY_INTERVAL);
+                    break;
+                case 2:
+                    ti.attach(&st, &Stepper::next, HOURLY_INTERVAL);
+                    break;
+                case 3:
+                    ti.attach(&st, &Stepper::next, ADJUST_INTERVAL);
+                    break;
+            }
+        }
+        leds[3] = !leds[3];
+        wait(1.0);
+    }
+}