Revision 0:359aaebee1d9, committed 2014-02-03

Comitter:

okano

Date:

Mon Feb 03 06:40:03 2014 +0000

Commit message:

pam led sample

Changed in this revision

diff -r 000000000000 -r 359aaebee1d9 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 03 06:40:03 2014 +0000
@@ -0,0 +1,152 @@
+#include "mbed.h"
+
+PwmOut led1(LED1);
+PwmOut led2(LED2);
+PwmOut led3(LED3);
+PwmOut led4(LED4);
+
+PwmOut  led[ 4 ]    = {led4, led3, led2, led1 };
+
+#define     UPDATE_RATE     100.0
+
+class Blinker {
+public:
+
+    typedef enum  {
+        OFF,
+        ON,
+        STAY,
+        UP,
+        DOWN,
+        UPDOWN
+    } Mode;
+
+    Blinker( PinName pin ) :
+            output( pin ),
+            mode( UPDOWN ),
+            state( false ),
+            intensity( 0.0 ),
+            rate( 1.0 / UPDATE_RATE ),
+            direction( true ) {
+        t.attach( this, &Blinker::blinker_maintain, 1.0 / UPDATE_RATE );
+        output.period_ms( 1 );
+        output  = intensity;
+    }
+
+    void start( void ) {
+        state   = true;
+    }
+
+    void stop( void ) {
+        state   = false;
+    }
+
+    void set_mode( Mode m ) {
+        mode   = m;
+    }
+
+    void set_initial_intensity( float v ) {
+        intensity   = v;
+    }
+
+    void set_frequency( float f ) {
+        rate    = f / UPDATE_RATE;
+    }
+
+private:
+    void blinker_maintain( void ) {
+
+        if ( OFF == state )
+            return;
+
+        switch ( mode ) {
+            case OFF :
+                intensity   = 0.0;
+                break;
+            case ON :
+                intensity   = 1.0;
+                break;
+            case STAY :
+                break;
+            case UP :
+                intensity   += rate;
+                intensity   = (1.0 < intensity) ? 0.0 : intensity;
+                break;
+            case DOWN :
+                intensity   -= rate;
+                intensity   = (intensity < 0.0) ? 1.0 : intensity;
+                break;
+            case UPDOWN :
+                direction   = (intensity <= 0.0) ? true  : direction;
+                direction   = (1.0 <= intensity) ? false : direction;
+                intensity   += direction ? (rate * 2.0) : -(rate * 2.0);
+                break;
+            default :
+                break;
+        }
+
+        output  = intensity * intensity;
+    }
+
+    PwmOut  output;
+    Ticker      t;
+
+    Mode    mode;
+    int     state;
+    float   intensity;
+    float   rate;
+    float   direction;
+};
+
+//Blinker b( LED1 );
+Blinker b[ 4 ]    = { LED4, LED3, LED2, LED1 };
+
+
+int main() {
+
+
+    for ( int i = 0; i < 4; i++ ) {
+        b[ i ].set_frequency( 2 );
+        b[i].start();
+    }
+
+    while ( 1 ) {
+
+        for ( int i = 0; i < 4; i++ ) {
+            b[ i ].set_mode( Blinker::DOWN );
+            b[ i ].set_initial_intensity( 0.25 * (float)i );
+        }
+
+        wait( 2.0 );
+
+        for ( int n = 0; n < 40; n++ ) {
+            for ( int i = 0; i < 4; i++ ) {
+                b[ i ].set_mode( rand() & 0x1 ? Blinker::ON : Blinker::OFF );
+            }
+            wait( 0.05 );
+        }
+
+        for ( int i = 0; i < 4; i++ ) {
+            b[ i ].set_mode( Blinker::DOWN );
+            b[ i ].set_initial_intensity( 1.0 - (0.25 * (float)i) );
+        }
+
+        wait( 2.0 );
+
+        for ( int i = 0; i < 4; i++ ) {
+            b[ i ].set_mode( Blinker::UPDOWN );
+            b[ i ].set_initial_intensity( 0 );
+        }
+
+        wait( 2.0 );
+
+        for ( int i = 0; i < 4; i++ ) {
+            b[ i ].set_mode( Blinker::UPDOWN );
+            b[ i ].set_initial_intensity( (i & 0x1) ? 1 : 0 );
+        }
+
+        wait( 2.0 );
+
+    }
+
+}

diff -r 000000000000 -r 359aaebee1d9 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Feb 03 06:40:03 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/a9913a65894f
\ No newline at end of file