Tedd OKANO / Mbed 2 deprecated pca9956b_two_demoboards

PCA9956B (24ch LED controller). Simple 2 demoboards operation.

Dependencies:   PCA995xA mbed

Simple demo code for two PCA9956B demo boards.

main.cpp@0:c0060f6e9b43, 2015-07-22 (annotated)

Committer:
okano
Date:
Wed Jul 22 07:48:31 2015 +0000
Revision:
0:c0060f6e9b43
Initial version of simple demo code using PCA9956A component library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okano 0:c0060f6e9b43 1 #include "mbed.h"
okano 0:c0060f6e9b43 2 #include "PCA9956A.h"
okano 0:c0060f6e9b43 3
okano 0:c0060f6e9b43 4 I2C i2c( p28, p27 );// SDA, SCL
okano 0:c0060f6e9b43 5
okano 0:c0060f6e9b43 6 #define CURRENT_SETTING 1.0
okano 0:c0060f6e9b43 7
okano 0:c0060f6e9b43 8 PCA9956A lc[] = {
okano 0:c0060f6e9b43 9 PCA9956A( i2c, 0x02 ),
okano 0:c0060f6e9b43 10 PCA9956A( i2c, 0x04 )
okano 0:c0060f6e9b43 11 };
okano 0:c0060f6e9b43 12
okano 0:c0060f6e9b43 13 LedPwmOutCC led[ 3 ][ 16 ] = {
okano 0:c0060f6e9b43 14 {
okano 0:c0060f6e9b43 15 LedPwmOutCC( lc[ 0 ], L0 ),
okano 0:c0060f6e9b43 16 LedPwmOutCC( lc[ 0 ], L3 ),
okano 0:c0060f6e9b43 17 LedPwmOutCC( lc[ 0 ], L6 ),
okano 0:c0060f6e9b43 18 LedPwmOutCC( lc[ 0 ], L9 ),
okano 0:c0060f6e9b43 19 LedPwmOutCC( lc[ 1 ], L0 ),
okano 0:c0060f6e9b43 20 LedPwmOutCC( lc[ 1 ], L3 ),
okano 0:c0060f6e9b43 21 LedPwmOutCC( lc[ 1 ], L6 ),
okano 0:c0060f6e9b43 22 LedPwmOutCC( lc[ 1 ], L9 ),
okano 0:c0060f6e9b43 23 LedPwmOutCC( lc[ 1 ], L12 ),
okano 0:c0060f6e9b43 24 LedPwmOutCC( lc[ 1 ], L15 ),
okano 0:c0060f6e9b43 25 LedPwmOutCC( lc[ 1 ], L18 ),
okano 0:c0060f6e9b43 26 LedPwmOutCC( lc[ 1 ], L21 ),
okano 0:c0060f6e9b43 27 LedPwmOutCC( lc[ 0 ], L12 ),
okano 0:c0060f6e9b43 28 LedPwmOutCC( lc[ 0 ], L15 ),
okano 0:c0060f6e9b43 29 LedPwmOutCC( lc[ 0 ], L18 ),
okano 0:c0060f6e9b43 30 LedPwmOutCC( lc[ 0 ], L21 ),
okano 0:c0060f6e9b43 31 },
okano 0:c0060f6e9b43 32 {
okano 0:c0060f6e9b43 33 LedPwmOutCC( lc[ 0 ], L1 ),
okano 0:c0060f6e9b43 34 LedPwmOutCC( lc[ 0 ], L4 ),
okano 0:c0060f6e9b43 35 LedPwmOutCC( lc[ 0 ], L7 ),
okano 0:c0060f6e9b43 36 LedPwmOutCC( lc[ 0 ], L10 ),
okano 0:c0060f6e9b43 37 LedPwmOutCC( lc[ 1 ], L1 ),
okano 0:c0060f6e9b43 38 LedPwmOutCC( lc[ 1 ], L4 ),
okano 0:c0060f6e9b43 39 LedPwmOutCC( lc[ 1 ], L7 ),
okano 0:c0060f6e9b43 40 LedPwmOutCC( lc[ 1 ], L10 ),
okano 0:c0060f6e9b43 41 LedPwmOutCC( lc[ 1 ], L13 ),
okano 0:c0060f6e9b43 42 LedPwmOutCC( lc[ 1 ], L16 ),
okano 0:c0060f6e9b43 43 LedPwmOutCC( lc[ 1 ], L19 ),
okano 0:c0060f6e9b43 44 LedPwmOutCC( lc[ 1 ], L22 ),
okano 0:c0060f6e9b43 45 LedPwmOutCC( lc[ 0 ], L13 ),
okano 0:c0060f6e9b43 46 LedPwmOutCC( lc[ 0 ], L16 ),
okano 0:c0060f6e9b43 47 LedPwmOutCC( lc[ 0 ], L19 ),
okano 0:c0060f6e9b43 48 LedPwmOutCC( lc[ 0 ], L22 ),
okano 0:c0060f6e9b43 49 },
okano 0:c0060f6e9b43 50 {
okano 0:c0060f6e9b43 51 LedPwmOutCC( lc[ 0 ], L2 ),
okano 0:c0060f6e9b43 52 LedPwmOutCC( lc[ 0 ], L5 ),
okano 0:c0060f6e9b43 53 LedPwmOutCC( lc[ 0 ], L8 ),
okano 0:c0060f6e9b43 54 LedPwmOutCC( lc[ 0 ], L11 ),
okano 0:c0060f6e9b43 55 LedPwmOutCC( lc[ 1 ], L2 ),
okano 0:c0060f6e9b43 56 LedPwmOutCC( lc[ 1 ], L5 ),
okano 0:c0060f6e9b43 57 LedPwmOutCC( lc[ 1 ], L8 ),
okano 0:c0060f6e9b43 58 LedPwmOutCC( lc[ 1 ], L11 ),
okano 0:c0060f6e9b43 59 LedPwmOutCC( lc[ 1 ], L14 ),
okano 0:c0060f6e9b43 60 LedPwmOutCC( lc[ 1 ], L17 ),
okano 0:c0060f6e9b43 61 LedPwmOutCC( lc[ 1 ], L20 ),
okano 0:c0060f6e9b43 62 LedPwmOutCC( lc[ 1 ], L23 ),
okano 0:c0060f6e9b43 63 LedPwmOutCC( lc[ 0 ], L14 ),
okano 0:c0060f6e9b43 64 LedPwmOutCC( lc[ 0 ], L17 ),
okano 0:c0060f6e9b43 65 LedPwmOutCC( lc[ 0 ], L20 ),
okano 0:c0060f6e9b43 66 LedPwmOutCC( lc[ 0 ], L23 ),
okano 0:c0060f6e9b43 67 }
okano 0:c0060f6e9b43 68 };
okano 0:c0060f6e9b43 69
okano 0:c0060f6e9b43 70
okano 0:c0060f6e9b43 71 void simple_loop( void )
okano 0:c0060f6e9b43 72 {
okano 0:c0060f6e9b43 73 for ( int color = 0; color < 3; color++ ) {
okano 0:c0060f6e9b43 74 for ( int i = 0; i < 16; i++ ) {
okano 0:c0060f6e9b43 75 led[ color ][ i ].current( CURRENT_SETTING );
okano 0:c0060f6e9b43 76 }
okano 0:c0060f6e9b43 77 }
okano 0:c0060f6e9b43 78
okano 0:c0060f6e9b43 79 for ( int repeat = 0; repeat < 2; repeat++ ) {
okano 0:c0060f6e9b43 80 for ( int color = 0; color < 3; color++ ) {
okano 0:c0060f6e9b43 81 for ( int i = 0; i < 16; i++ ) {
okano 0:c0060f6e9b43 82 led[ color ][ i ] = 1.0;
okano 0:c0060f6e9b43 83 wait( 0.02 );
okano 0:c0060f6e9b43 84 }
okano 0:c0060f6e9b43 85 }
okano 0:c0060f6e9b43 86 for ( int color = 0; color < 3; color++ ) {
okano 0:c0060f6e9b43 87 for ( int i = 0; i < 16; i++ ) {
okano 0:c0060f6e9b43 88 led[ color ][ i ] = 0.0;
okano 0:c0060f6e9b43 89 wait( 0.02 );
okano 0:c0060f6e9b43 90 }
okano 0:c0060f6e9b43 91 }
okano 0:c0060f6e9b43 92 }
okano 0:c0060f6e9b43 93 }
okano 0:c0060f6e9b43 94
okano 0:c0060f6e9b43 95 #define N_OF_REPEATS 4
okano 0:c0060f6e9b43 96 #define CYCLE_STEPS 256
okano 0:c0060f6e9b43 97 #define PI 3.14159265
okano 0:c0060f6e9b43 98
okano 0:c0060f6e9b43 99 void demo_colors_inphase( void )
okano 0:c0060f6e9b43 100 {
okano 0:c0060f6e9b43 101 float brightness[ 3 ];
okano 0:c0060f6e9b43 102
okano 0:c0060f6e9b43 103 for ( int repeat = 0; repeat < 3; repeat++ ) {
okano 0:c0060f6e9b43 104 for ( int i = 0; i < CYCLE_STEPS; i++ ) {
okano 0:c0060f6e9b43 105 brightness[ 0 ] = pow( sin( (float)(i + 0) * PI / CYCLE_STEPS ), 4 );
okano 0:c0060f6e9b43 106 brightness[ 1 ] = pow( sin( (float)(i + 85) * PI / CYCLE_STEPS ), 4 );
okano 0:c0060f6e9b43 107 brightness[ 2 ] = pow( sin( (float)(i + 170) * PI / CYCLE_STEPS ), 4 );
okano 0:c0060f6e9b43 108
okano 0:c0060f6e9b43 109 for ( int color = 0; color < 3; color++ ) {
okano 0:c0060f6e9b43 110 for ( int j = 0; j < 16; j++ ) {
okano 0:c0060f6e9b43 111 led[ color ][ j ] = brightness[ color ];
okano 0:c0060f6e9b43 112 }
okano 0:c0060f6e9b43 113 }
okano 0:c0060f6e9b43 114 wait( 0.01 );
okano 0:c0060f6e9b43 115 }
okano 0:c0060f6e9b43 116 }
okano 0:c0060f6e9b43 117 }
okano 0:c0060f6e9b43 118
okano 0:c0060f6e9b43 119 void demo_colors_phase_gap( void )
okano 0:c0060f6e9b43 120 {
okano 0:c0060f6e9b43 121 for ( int repeat = 0; repeat < 10; repeat++ ) {
okano 0:c0060f6e9b43 122 for ( int i = 0; i < CYCLE_STEPS; i++ ) {
okano 0:c0060f6e9b43 123 for ( int j = 0; j < 16; j++ ) {
okano 0:c0060f6e9b43 124 led[ 0 ][ j ] = pow( sin( (float)(i + 0 + j * 16) * PI / CYCLE_STEPS ), 4 );
okano 0:c0060f6e9b43 125 led[ 1 ][ j ] = pow( sin( (float)(i + 85 + j * 16) * PI / CYCLE_STEPS ), 4 );
okano 0:c0060f6e9b43 126 led[ 2 ][ j ] = pow( sin( (float)(i + 170 + j * 16) * PI / CYCLE_STEPS ), 4 );
okano 0:c0060f6e9b43 127 }
okano 0:c0060f6e9b43 128 //wait( 0.01 );
okano 0:c0060f6e9b43 129 }
okano 0:c0060f6e9b43 130 }
okano 0:c0060f6e9b43 131 }
okano 0:c0060f6e9b43 132
okano 0:c0060f6e9b43 133 int main()
okano 0:c0060f6e9b43 134 {
okano 0:c0060f6e9b43 135 i2c.frequency( 400 * 1000 );
okano 0:c0060f6e9b43 136
okano 0:c0060f6e9b43 137 while( 1 ) {
okano 0:c0060f6e9b43 138 simple_loop();
okano 0:c0060f6e9b43 139 demo_colors_inphase();
okano 0:c0060f6e9b43 140 simple_loop();
okano 0:c0060f6e9b43 141 demo_colors_phase_gap();
okano 0:c0060f6e9b43 142 }
okano 0:c0060f6e9b43 143 }