main.cpp

00001 #include "mbed.h"
00002 #include "PCA9956A.h"
00003 
00004 I2C i2c( p28, p27 );//  SDA, SCL
00005 
00006 #define     CURRENT_SETTING     1.0
00007 
00008 PCA9956A    lc[]    =  {
00009     PCA9956A( i2c, 0x02 ),
00010     PCA9956A( i2c, 0x04 )
00011 };
00012 
00013 LedPwmOutCC led[ 3 ][ 16 ]  = {
00014     {
00015         LedPwmOutCC( lc[ 0 ], L0  ),
00016         LedPwmOutCC( lc[ 0 ], L3  ),
00017         LedPwmOutCC( lc[ 0 ], L6  ),
00018         LedPwmOutCC( lc[ 0 ], L9  ),
00019         LedPwmOutCC( lc[ 1 ], L0  ),
00020         LedPwmOutCC( lc[ 1 ], L3  ),
00021         LedPwmOutCC( lc[ 1 ], L6  ),
00022         LedPwmOutCC( lc[ 1 ], L9  ),
00023         LedPwmOutCC( lc[ 1 ], L12 ),
00024         LedPwmOutCC( lc[ 1 ], L15 ),
00025         LedPwmOutCC( lc[ 1 ], L18 ),
00026         LedPwmOutCC( lc[ 1 ], L21 ),
00027         LedPwmOutCC( lc[ 0 ], L12 ),
00028         LedPwmOutCC( lc[ 0 ], L15 ),
00029         LedPwmOutCC( lc[ 0 ], L18 ),
00030         LedPwmOutCC( lc[ 0 ], L21 ),
00031     },
00032     {
00033         LedPwmOutCC( lc[ 0 ], L1  ),
00034         LedPwmOutCC( lc[ 0 ], L4  ),
00035         LedPwmOutCC( lc[ 0 ], L7  ),
00036         LedPwmOutCC( lc[ 0 ], L10 ),
00037         LedPwmOutCC( lc[ 1 ], L1  ),
00038         LedPwmOutCC( lc[ 1 ], L4  ),
00039         LedPwmOutCC( lc[ 1 ], L7  ),
00040         LedPwmOutCC( lc[ 1 ], L10 ),
00041         LedPwmOutCC( lc[ 1 ], L13 ),
00042         LedPwmOutCC( lc[ 1 ], L16 ),
00043         LedPwmOutCC( lc[ 1 ], L19 ),
00044         LedPwmOutCC( lc[ 1 ], L22 ),
00045         LedPwmOutCC( lc[ 0 ], L13 ),
00046         LedPwmOutCC( lc[ 0 ], L16 ),
00047         LedPwmOutCC( lc[ 0 ], L19 ),
00048         LedPwmOutCC( lc[ 0 ], L22 ),
00049     },
00050     {
00051         LedPwmOutCC( lc[ 0 ], L2  ),
00052         LedPwmOutCC( lc[ 0 ], L5  ),
00053         LedPwmOutCC( lc[ 0 ], L8  ),
00054         LedPwmOutCC( lc[ 0 ], L11 ),
00055         LedPwmOutCC( lc[ 1 ], L2  ),
00056         LedPwmOutCC( lc[ 1 ], L5  ),
00057         LedPwmOutCC( lc[ 1 ], L8  ),
00058         LedPwmOutCC( lc[ 1 ], L11 ),
00059         LedPwmOutCC( lc[ 1 ], L14 ),
00060         LedPwmOutCC( lc[ 1 ], L17 ),
00061         LedPwmOutCC( lc[ 1 ], L20 ),
00062         LedPwmOutCC( lc[ 1 ], L23 ),
00063         LedPwmOutCC( lc[ 0 ], L14 ),
00064         LedPwmOutCC( lc[ 0 ], L17 ),
00065         LedPwmOutCC( lc[ 0 ], L20 ),
00066         LedPwmOutCC( lc[ 0 ], L23 ),
00067     }
00068 };
00069 
00070 
00071 void simple_loop( void )
00072 {
00073     for ( int color = 0; color < 3; color++ ) {
00074         for ( int i = 0; i < 16; i++ ) {
00075             led[ color ][ i ].current( CURRENT_SETTING );
00076         }
00077     }
00078 
00079     for ( int repeat = 0; repeat < 2; repeat++ ) {
00080         for ( int color = 0; color < 3; color++ ) {
00081             for ( int i = 0; i < 16; i++ ) {
00082                 led[ color ][ i ]   = 1.0;
00083                 wait( 0.02 );
00084             }
00085         }
00086         for ( int color = 0; color < 3; color++ ) {
00087             for ( int i = 0; i < 16; i++ ) {
00088                 led[ color ][ i ]   = 0.0;
00089                 wait( 0.02 );
00090             }
00091         }
00092     }
00093 }
00094 
00095 #define     N_OF_REPEATS    4
00096 #define     CYCLE_STEPS     256
00097 #define     PI              3.14159265
00098 
00099 void demo_colors_inphase( void )
00100 {
00101     float   brightness[ 3 ];
00102 
00103     for ( int repeat = 0; repeat < 3; repeat++ ) {
00104         for ( int i = 0; i < CYCLE_STEPS; i++ ) {
00105             brightness[ 0 ] = pow( sin( (float)(i +   0) * PI / CYCLE_STEPS ), 4 );
00106             brightness[ 1 ] = pow( sin( (float)(i +  85) * PI / CYCLE_STEPS ), 4 );
00107             brightness[ 2 ] = pow( sin( (float)(i + 170) * PI / CYCLE_STEPS ), 4 );
00108 
00109             for ( int color = 0; color < 3; color++ ) {
00110                 for ( int j = 0; j < 16; j++ ) {
00111                     led[ color ][ j ]   = brightness[ color ];
00112                 }
00113             }
00114             wait( 0.01 );
00115         }
00116     }
00117 }
00118 
00119 void demo_colors_phase_gap( void )
00120 {
00121     for ( int repeat = 0; repeat < 10; repeat++ ) {
00122         for ( int i = 0; i < CYCLE_STEPS; i++ ) {
00123             for ( int j = 0; j < 16; j++ ) {
00124                 led[ 0 ][ j ] = pow( sin( (float)(i +   0 + j * 16) * PI / CYCLE_STEPS ), 4 );
00125                 led[ 1 ][ j ] = pow( sin( (float)(i +  85 + j * 16) * PI / CYCLE_STEPS ), 4 );
00126                 led[ 2 ][ j ] = pow( sin( (float)(i + 170 + j * 16) * PI / CYCLE_STEPS ), 4 );
00127             }
00128             //wait( 0.01 );
00129         }
00130     }
00131 }
00132 
00133 int main()
00134 {
00135     i2c.frequency( 400 * 1000 );
00136 
00137     while( 1 ) {
00138         simple_loop();
00139         demo_colors_inphase();
00140         simple_loop();
00141         demo_colors_phase_gap();
00142     }
00143 }