Shiftbrite_Sequencer - Shiftbrite sequencer demo program. Controls a cha…

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jim hamblen / Mbed 2 deprecated Shiftbrite_Sequencer

Shiftbrite sequencer demo program. Controls a chain of 35 shiftbrites

main.cpp@0:fc0ddaee005d, 2011-04-21 (annotated)

Committer:: 4180_1
Date:: Thu Apr 21 15:03:38 2011 +0000
Revision:: 0:fc0ddaee005d

Who changed what in which revision?

User	Revision	Line number	New contents of line
4180_1	0:fc0ddaee005d	1	#include "mbed.h"
4180_1	0:fc0ddaee005d	2	// Shiftbrite Sequencer Demo Program
4180_1	0:fc0ddaee005d	3	//
4180_1	0:fc0ddaee005d	4	//Bits for Shiftbrite latch and enable pins
4180_1	0:fc0ddaee005d	5	DigitalOut latch(p15);
4180_1	0:fc0ddaee005d	6	DigitalOut enable(p16);
4180_1	0:fc0ddaee005d	7	//DigitalOut myled(LED1);
4180_1	0:fc0ddaee005d	8
4180_1	0:fc0ddaee005d	9	// SPI connections for LED chain
4180_1	0:fc0ddaee005d	10	SPI spi(p11, p12, p13);
4180_1	0:fc0ddaee005d	11
4180_1	0:fc0ddaee005d	12	//Serial PC(USBTX, USBRX);
4180_1	0:fc0ddaee005d	13
4180_1	0:fc0ddaee005d	14	Timer time_counter;
4180_1	0:fc0ddaee005d	15
4180_1	0:fc0ddaee005d	16	// number of LEDS in chain
4180_1	0:fc0ddaee005d	17	#define num_LEDS 35
4180_1	0:fc0ddaee005d	18
4180_1	0:fc0ddaee005d	19	// number of color values to sequence through
4180_1	0:fc0ddaee005d	20	#define Sequence_Length 17
4180_1	0:fc0ddaee005d	21
4180_1	0:fc0ddaee005d	22	// number of steps in fade effect
4180_1	0:fc0ddaee005d	23	#define Fade_Steps 64
4180_1	0:fc0ddaee005d	24
4180_1	0:fc0ddaee005d	25
4180_1	0:fc0ddaee005d	26	// Each LED'S RGB color values for each step in sequence is stored in an array
4180_1	0:fc0ddaee005d	27	int LED_Color [Sequence_Length][num_LEDS][3] = {0};
4180_1	0:fc0ddaee005d	28
4180_1	0:fc0ddaee005d	29	// delay times in seconds for each RGB color value in sequence
4180_1	0:fc0ddaee005d	30	// can be different for each sequence step
4180_1	0:fc0ddaee005d	31	float Sequence_Delay[Sequence_Length];
4180_1	0:fc0ddaee005d	32	int Sequence_Effect[Sequence_Length] = {0};
4180_1	0:fc0ddaee005d	33
4180_1	0:fc0ddaee005d	34
4180_1	0:fc0ddaee005d	35	// Write (Shift out) 10-bit RGB values to a single LED
4180_1	0:fc0ddaee005d	36	void Write_LED(int red, int green, int blue) {
4180_1	0:fc0ddaee005d	37	unsigned int low_color=0;
4180_1	0:fc0ddaee005d	38	unsigned int high_color=0;
4180_1	0:fc0ddaee005d	39	red=red;
4180_1	0:fc0ddaee005d	40	green=green;
4180_1	0:fc0ddaee005d	41	blue=blue;
4180_1	0:fc0ddaee005d	42	high_color=(blue<<4)\|((red&0x3C0)>>6);
4180_1	0:fc0ddaee005d	43	low_color=(((red&0x3F)<<10)\|(green));
4180_1	0:fc0ddaee005d	44	spi.write(high_color);
4180_1	0:fc0ddaee005d	45	spi.write(low_color);
4180_1	0:fc0ddaee005d	46	}
4180_1	0:fc0ddaee005d	47	// Sends Initial Current limits to all LEDs in array
4180_1	0:fc0ddaee005d	48	// used to correct for different RGB brightness levels in LEDs
4180_1	0:fc0ddaee005d	49	void Write_Init_Command(int red_level, int green_level, int blue_level) {
4180_1	0:fc0ddaee005d	50	unsigned int Init_Command = 0x40000000;
4180_1	0:fc0ddaee005d	51	int i=0;
4180_1	0:fc0ddaee005d	52	Init_Command = 0x40000000\|(blue_level<<20)\|(red_level<<10)\|green_level;
4180_1	0:fc0ddaee005d	53	for (i=0; i<num_LEDS; i++) {
4180_1	0:fc0ddaee005d	54	spi.write(Init_Command>>16&0xFFFF);
4180_1	0:fc0ddaee005d	55	spi.write(Init_Command&0xFFFF);
4180_1	0:fc0ddaee005d	56	}
4180_1	0:fc0ddaee005d	57	wait(.000015);
4180_1	0:fc0ddaee005d	58	latch=1;
4180_1	0:fc0ddaee005d	59	wait(.000015);
4180_1	0:fc0ddaee005d	60	latch=0;
4180_1	0:fc0ddaee005d	61	}
4180_1	0:fc0ddaee005d	62
4180_1	0:fc0ddaee005d	63	// Sets all LEDs in a sequence step to a default background color
4180_1	0:fc0ddaee005d	64	void Set_Background_Color(int Seq_Step, int red, int green, int blue) {
4180_1	0:fc0ddaee005d	65	int i=0;
4180_1	0:fc0ddaee005d	66	for (i=0; i<num_LEDS; i++) {
4180_1	0:fc0ddaee005d	67	LED_Color[Seq_Step][i][0] = red;
4180_1	0:fc0ddaee005d	68	LED_Color[Seq_Step][i][1] = green;
4180_1	0:fc0ddaee005d	69	LED_Color[Seq_Step][i][2] = blue;
4180_1	0:fc0ddaee005d	70	}
4180_1	0:fc0ddaee005d	71	}
4180_1	0:fc0ddaee005d	72
4180_1	0:fc0ddaee005d	73	// Set a single LED in a Sequence Step to a color
4180_1	0:fc0ddaee005d	74	// Last LED in chain is LED #0
4180_1	0:fc0ddaee005d	75	//
4180_1	0:fc0ddaee005d	76	// LED address in 5x7 array
4180_1	0:fc0ddaee005d	77	// 35 in chain serpantine style
4180_1	0:fc0ddaee005d	78	// 34 33 32 31 30 29 28
4180_1	0:fc0ddaee005d	79	// 27 26 25 24 23 22 21
4180_1	0:fc0ddaee005d	80	// 20 19 18 17 16 15 14
4180_1	0:fc0ddaee005d	81	// 13 12 11 10 09 08 07
4180_1	0:fc0ddaee005d	82	// 06 05 04 03 02 01 00
4180_1	0:fc0ddaee005d	83	void Set_LED_Color(int Seq_Step, int LED_num, int red, int green, int blue) {
4180_1	0:fc0ddaee005d	84	LED_Color[Seq_Step][LED_num][0] = red;
4180_1	0:fc0ddaee005d	85	LED_Color[Seq_Step][LED_num][1] = green;
4180_1	0:fc0ddaee005d	86	LED_Color[Seq_Step][LED_num][2] = blue;
4180_1	0:fc0ddaee005d	87	}
4180_1	0:fc0ddaee005d	88
4180_1	0:fc0ddaee005d	89	int main() {
4180_1	0:fc0ddaee005d	90	int i=0;
4180_1	0:fc0ddaee005d	91	int j=0;
4180_1	0:fc0ddaee005d	92	int k=0;
4180_1	0:fc0ddaee005d	93	int red, green, blue;
4180_1	0:fc0ddaee005d	94	bool odd=false;
4180_1	0:fc0ddaee005d	95	spi.format(16,0);
4180_1	0:fc0ddaee005d	96	spi.frequency(500000);
4180_1	0:fc0ddaee005d	97	enable=0;
4180_1	0:fc0ddaee005d	98	latch=0;
4180_1	0:fc0ddaee005d	99	int flicker = 0;
4180_1	0:fc0ddaee005d	100	// Set currents using Allegro A6281's command mode
4180_1	0:fc0ddaee005d	101	Write_Init_Command(120, 100, 100);
4180_1	0:fc0ddaee005d	102	// Do once during initialization
4180_1	0:fc0ddaee005d	103	// OK at power on, but a reset could set it to an invalid mode
4180_1	0:fc0ddaee005d	104	//
4180_1	0:fc0ddaee005d	105	// See page 7 in A6281 datasheet
4180_1	0:fc0ddaee005d	106	// This feature can be used to adjust for different LED
4180_1	0:fc0ddaee005d	107	// brightness levels - values suggested from Macetech doc
4180_1	0:fc0ddaee005d	108
4180_1	0:fc0ddaee005d	109	// Clear out initial sequence values
4180_1	0:fc0ddaee005d	110	for (i=0; i<Sequence_Length; i++) {
4180_1	0:fc0ddaee005d	111	for (j=0; j<num_LEDS; j++) {
4180_1	0:fc0ddaee005d	112	for (k=0; k<4; k++) {
4180_1	0:fc0ddaee005d	113	LED_Color[i][j][k]=0;
4180_1	0:fc0ddaee005d	114	}
4180_1	0:fc0ddaee005d	115	}
4180_1	0:fc0ddaee005d	116	Sequence_Delay[i]=0;
4180_1	0:fc0ddaee005d	117	Sequence_Effect[i]=0;
4180_1	0:fc0ddaee005d	118	}
4180_1	0:fc0ddaee005d	119	// Color data values for LEDs to sequence through
4180_1	0:fc0ddaee005d	120	// Sequence step 0
4180_1	0:fc0ddaee005d	121	Set_Background_Color(0, 1023, 0, 0); //LEDs RED
4180_1	0:fc0ddaee005d	122	Sequence_Delay[0] = 1;
4180_1	0:fc0ddaee005d	123	Sequence_Effect[0] = 0;
4180_1	0:fc0ddaee005d	124	// Sequence step 1
4180_1	0:fc0ddaee005d	125	LED_Color[1][0][0] = 0;
4180_1	0:fc0ddaee005d	126	Set_Background_Color(1, 0, 1023, 0); //LEDs GREEN
4180_1	0:fc0ddaee005d	127	Sequence_Delay[1] = 2;
4180_1	0:fc0ddaee005d	128	Sequence_Effect[1] = 1; //Fade from RED to GREEN Effect
4180_1	0:fc0ddaee005d	129	// Sequence step 2
4180_1	0:fc0ddaee005d	130	Set_Background_Color(2, 0, 0, 1023); //LEDs BLUE
4180_1	0:fc0ddaee005d	131	Sequence_Delay[2] = 2;
4180_1	0:fc0ddaee005d	132	Sequence_Effect[2] = 1; //Fade from GREEN to BLUE Effect
4180_1	0:fc0ddaee005d	133	// Sequence step 3
4180_1	0:fc0ddaee005d	134	Set_Background_Color(3, 0, 0, 1023);
4180_1	0:fc0ddaee005d	135	Sequence_Delay[3] = 1; //Stay at this value for 1 seconds
4180_1	0:fc0ddaee005d	136	Sequence_Effect[3] = 0;
4180_1	0:fc0ddaee005d	137	// Sequence step 4
4180_1	0:fc0ddaee005d	138	Set_Background_Color(4,1023,200,0); //LEDs all ORANGE
4180_1	0:fc0ddaee005d	139	Sequence_Delay[4] = 5;
4180_1	0:fc0ddaee005d	140	Sequence_Effect[4] = 2; //Flicker or Twinkle Effect
4180_1	0:fc0ddaee005d	141	// Sequence step 5
4180_1	0:fc0ddaee005d	142	Set_Background_Color(5,1023,1023,0); //LEDs all YELLOW
4180_1	0:fc0ddaee005d	143	Sequence_Delay[5] = 5;
4180_1	0:fc0ddaee005d	144	Sequence_Effect[5] = 3; //Flashing Marquee Sign Effect
4180_1	0:fc0ddaee005d	145	// Sequence step 6
4180_1	0:fc0ddaee005d	146	LED_Color[6][0][0] = 1023; //LED 0 RED
4180_1	0:fc0ddaee005d	147	LED_Color[6][0][1] = 0;
4180_1	0:fc0ddaee005d	148	LED_Color[6][0][2] = 0;
4180_1	0:fc0ddaee005d	149	LED_Color[6][1][0] = 1023;
4180_1	0:fc0ddaee005d	150	LED_Color[6][1][1] = 1023;
4180_1	0:fc0ddaee005d	151	LED_Color[6][1][2] = 1023; //LED 1 WHITE
4180_1	0:fc0ddaee005d	152	LED_Color[6][2][0] = 0;
4180_1	0:fc0ddaee005d	153	LED_Color[6][2][1] = 0;
4180_1	0:fc0ddaee005d	154	LED_Color[6][2][2] = 1023; //LED 1 BLUE
4180_1	0:fc0ddaee005d	155	Sequence_Delay[6] = 5;
4180_1	0:fc0ddaee005d	156	Sequence_Effect[6] = 4; //Shift Colors
4180_1	0:fc0ddaee005d	157	// Sequence step 7
4180_1	0:fc0ddaee005d	158	Set_Background_Color(7,1023,1023,1023); //LEDs all WHITE
4180_1	0:fc0ddaee005d	159	Sequence_Delay[7] = 1;
4180_1	0:fc0ddaee005d	160	Sequence_Effect[7] = 0;
4180_1	0:fc0ddaee005d	161	//Sequence step 8
4180_1	0:fc0ddaee005d	162	Set_Background_Color(8,0,0,0); //LEDs all Black
4180_1	0:fc0ddaee005d	163	Sequence_Delay[8] = 2;
4180_1	0:fc0ddaee005d	164	Sequence_Effect[8]= 1; //Fade to Black
4180_1	0:fc0ddaee005d	165	//Sequence step 9
4180_1	0:fc0ddaee005d	166	Set_Background_Color(9,0,0,0); //LEDs all Black
4180_1	0:fc0ddaee005d	167	Sequence_Delay[9] = 1.5;
4180_1	0:fc0ddaee005d	168	Sequence_Effect[9]= 0;
4180_1	0:fc0ddaee005d	169	//Sequence step 10
4180_1	0:fc0ddaee005d	170	Sequence_Delay[10] = 6;
4180_1	0:fc0ddaee005d	171	Sequence_Effect[10]= 5; //Random Bright Colors
4180_1	0:fc0ddaee005d	172	//Sequence step 11
4180_1	0:fc0ddaee005d	173	Set_Background_Color(11,100,100,100); //LEDs all dim WHITE
4180_1	0:fc0ddaee005d	174	Set_LED_Color(11,34,0,0,1023); //char M
4180_1	0:fc0ddaee005d	175	Set_LED_Color(11,33,0,0,1023);
4180_1	0:fc0ddaee005d	176	Set_LED_Color(11,32,0,0,1023);
4180_1	0:fc0ddaee005d	177	Set_LED_Color(11,31,0,0,1023);
4180_1	0:fc0ddaee005d	178	Set_LED_Color(11,30,0,0,1023);
4180_1	0:fc0ddaee005d	179	Set_LED_Color(11,29,0,0,1023);
4180_1	0:fc0ddaee005d	180	Set_LED_Color(11,28,0,0,1023);
4180_1	0:fc0ddaee005d	181	Set_LED_Color(11,22,0,0,1023);
4180_1	0:fc0ddaee005d	182	Set_LED_Color(11,16,0,0,1023);
4180_1	0:fc0ddaee005d	183	Set_LED_Color(11,17,0,0,1023);
4180_1	0:fc0ddaee005d	184	Set_LED_Color(11,8,0,0,1023);
4180_1	0:fc0ddaee005d	185	Set_LED_Color(11,0,0,0,1023);
4180_1	0:fc0ddaee005d	186	Set_LED_Color(11,1,0,0,1023);
4180_1	0:fc0ddaee005d	187	Set_LED_Color(11,2,0,0,1023);
4180_1	0:fc0ddaee005d	188	Set_LED_Color(11,3,0,0,1023);
4180_1	0:fc0ddaee005d	189	Set_LED_Color(11,4,0,0,1023);
4180_1	0:fc0ddaee005d	190	Set_LED_Color(11,5,0,0,1023);
4180_1	0:fc0ddaee005d	191	Set_LED_Color(11,6,0,0,1023);
4180_1	0:fc0ddaee005d	192	Sequence_Effect[11] = 0;
4180_1	0:fc0ddaee005d	193	Sequence_Delay[11] = 3;
4180_1	0:fc0ddaee005d	194	//Sequence step 12
4180_1	0:fc0ddaee005d	195	Set_Background_Color(12,100,100,100); //LEDs all dim WHITE
4180_1	0:fc0ddaee005d	196	Set_LED_Color(12,34,0,0,1023); // char b
4180_1	0:fc0ddaee005d	197	Set_LED_Color(12,33,0,0,1023);
4180_1	0:fc0ddaee005d	198	Set_LED_Color(12,32,0,0,1023);
4180_1	0:fc0ddaee005d	199	Set_LED_Color(12,31,0,0,1023);
4180_1	0:fc0ddaee005d	200	Set_LED_Color(12,30,0,0,1023);
4180_1	0:fc0ddaee005d	201	Set_LED_Color(12,29,0,0,1023);
4180_1	0:fc0ddaee005d	202	Set_LED_Color(12,28,0,0,1023);
4180_1	0:fc0ddaee005d	203	Set_LED_Color(12,27,0,0,1023);
4180_1	0:fc0ddaee005d	204	Set_LED_Color(12,24,0,0,1023);
4180_1	0:fc0ddaee005d	205	Set_LED_Color(12,20,0,0,1023);
4180_1	0:fc0ddaee005d	206	Set_LED_Color(12,17,0,0,1023);
4180_1	0:fc0ddaee005d	207	Set_LED_Color(12,12,0,0,1023);
4180_1	0:fc0ddaee005d	208	Set_LED_Color(12,11,0,0,1023);
4180_1	0:fc0ddaee005d	209	Sequence_Effect[12] = 0;
4180_1	0:fc0ddaee005d	210	Sequence_Delay[12] = 3;
4180_1	0:fc0ddaee005d	211	//Sequence step 13
4180_1	0:fc0ddaee005d	212	Set_Background_Color(13,100,100,100); //LEDs all dim WHITE
4180_1	0:fc0ddaee005d	213	Set_LED_Color(13,34,0,0,1023); //char E
4180_1	0:fc0ddaee005d	214	Set_LED_Color(13,33,0,0,1023);
4180_1	0:fc0ddaee005d	215	Set_LED_Color(13,32,0,0,1023);
4180_1	0:fc0ddaee005d	216	Set_LED_Color(13,31,0,0,1023);
4180_1	0:fc0ddaee005d	217	Set_LED_Color(13,30,0,0,1023);
4180_1	0:fc0ddaee005d	218	Set_LED_Color(13,29,0,0,1023);
4180_1	0:fc0ddaee005d	219	Set_LED_Color(13,28,0,0,1023);
4180_1	0:fc0ddaee005d	220	Set_LED_Color(13,27,0,0,1023);
4180_1	0:fc0ddaee005d	221	Set_LED_Color(13,24,0,0,1023);
4180_1	0:fc0ddaee005d	222	Set_LED_Color(13,21,0,0,1023);
4180_1	0:fc0ddaee005d	223	Set_LED_Color(13,20,0,0,1023);
4180_1	0:fc0ddaee005d	224	Set_LED_Color(13,17,0,0,1023);
4180_1	0:fc0ddaee005d	225	Set_LED_Color(13,14,0,0,1023);
4180_1	0:fc0ddaee005d	226	Set_LED_Color(13,13,0,0,1023);
4180_1	0:fc0ddaee005d	227	Set_LED_Color(13,7,0,0,1023);
4180_1	0:fc0ddaee005d	228	Set_LED_Color(13,6,0,0,1023);
4180_1	0:fc0ddaee005d	229	Set_LED_Color(13,0,0,0,1023);
4180_1	0:fc0ddaee005d	230	Sequence_Effect[13] = 0;
4180_1	0:fc0ddaee005d	231	Sequence_Delay[13] = 3;
4180_1	0:fc0ddaee005d	232	//Sequence step 14
4180_1	0:fc0ddaee005d	233	Set_Background_Color(14,100,100,100); //LEDs all dim WHITE
4180_1	0:fc0ddaee005d	234	Set_LED_Color(14,5,0,0,1023); //char d
4180_1	0:fc0ddaee005d	235	Set_LED_Color(14,4,0,0,1023);
4180_1	0:fc0ddaee005d	236	Set_LED_Color(14,3,0,0,1023);
4180_1	0:fc0ddaee005d	237	Set_LED_Color(14,6,0,0,1023);
4180_1	0:fc0ddaee005d	238	Set_LED_Color(14,2,0,0,1023);
4180_1	0:fc0ddaee005d	239	Set_LED_Color(14,1,0,0,1023);
4180_1	0:fc0ddaee005d	240	Set_LED_Color(14,0,0,0,1023);
4180_1	0:fc0ddaee005d	241	Set_LED_Color(14,13,0,0,1023);
4180_1	0:fc0ddaee005d	242	Set_LED_Color(14,10,0,0,1023);
4180_1	0:fc0ddaee005d	243	Set_LED_Color(14,20,0,0,1023);
4180_1	0:fc0ddaee005d	244	Set_LED_Color(14,17,0,0,1023);
4180_1	0:fc0ddaee005d	245	Set_LED_Color(14,26,0,0,1023);
4180_1	0:fc0ddaee005d	246	Set_LED_Color(14,25,0,0,1023);
4180_1	0:fc0ddaee005d	247	Sequence_Effect[14] = 0;
4180_1	0:fc0ddaee005d	248	Sequence_Delay[14] = 3;
4180_1	0:fc0ddaee005d	249	//Sequence step 15
4180_1	0:fc0ddaee005d	250	Set_Background_Color(15,0,0,0); //LEDs all Black
4180_1	0:fc0ddaee005d	251	Sequence_Delay[15] = 2;
4180_1	0:fc0ddaee005d	252	Sequence_Effect[15]= 1; //Fade to Black
4180_1	0:fc0ddaee005d	253	//Sequence step 16
4180_1	0:fc0ddaee005d	254	Set_Background_Color(16,0,0,0); //LEDs all Black
4180_1	0:fc0ddaee005d	255	Sequence_Delay[16] = 2;
4180_1	0:fc0ddaee005d	256	Sequence_Effect[16]= 0; //Black
4180_1	0:fc0ddaee005d	257	// add more steps or LEDs if needed and change #defines
4180_1	0:fc0ddaee005d	258
4180_1	0:fc0ddaee005d	259	wait(1);
4180_1	0:fc0ddaee005d	260	// Repeat Sequence Forever
4180_1	0:fc0ddaee005d	261	while (1) {
4180_1	0:fc0ddaee005d	262	Write_Init_Command(120, 100, 100);
4180_1	0:fc0ddaee005d	263	//Step through the Sequence Values
4180_1	0:fc0ddaee005d	264	for (j = 0; j < Sequence_Length; j++) {
4180_1	0:fc0ddaee005d	265	// myled= !myled;
4180_1	0:fc0ddaee005d	266	switch (Sequence_Effect[j]) {
4180_1	0:fc0ddaee005d	267	case 0: {
4180_1	0:fc0ddaee005d	268	// Step through each LED in chain at each sequence step
4180_1	0:fc0ddaee005d	269	for (i = 0; i < num_LEDS; i++) {
4180_1	0:fc0ddaee005d	270	//Writes 32-bits of RGB color data to LED using SPI hardware
4180_1	0:fc0ddaee005d	271	Write_LED( LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	272	// Uncomment to get status info on serial port
4180_1	0:fc0ddaee005d	273	// printf("i= %d, j= %d\n\r",i,j);
4180_1	0:fc0ddaee005d	274	// printf(" %d %d %d\n\r",LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	275	}
4180_1	0:fc0ddaee005d	276	//Load in new values just shifted out to LED chain by setting latch high
4180_1	0:fc0ddaee005d	277	wait(.000015);
4180_1	0:fc0ddaee005d	278	latch=1;
4180_1	0:fc0ddaee005d	279	wait(.000015);
4180_1	0:fc0ddaee005d	280	latch=0;
4180_1	0:fc0ddaee005d	281	//Delay for this step in the sequence
4180_1	0:fc0ddaee005d	282	wait(Sequence_Delay[j]);
4180_1	0:fc0ddaee005d	283	break;
4180_1	0:fc0ddaee005d	284	}
4180_1	0:fc0ddaee005d	285	case 1: {
4180_1	0:fc0ddaee005d	286	//Lighing Effect: Fade into new color from previous color (note: can't fade first sequence step!)
4180_1	0:fc0ddaee005d	287	for (k = 0; k<=Fade_Steps; k++) {
4180_1	0:fc0ddaee005d	288	// Step through each LED in chain at each fade sequence step
4180_1	0:fc0ddaee005d	289	for (i = 0; i < num_LEDS; i++) {
4180_1	0:fc0ddaee005d	290	red = LED_Color[j-1][i][0] + k*(LED_Color[j][i][0]-LED_Color[j-1][i][0])/Fade_Steps;
4180_1	0:fc0ddaee005d	291	green = LED_Color[j-1][i][1] + k*(LED_Color[j][i][1]-LED_Color[j-1][i][1])/Fade_Steps;
4180_1	0:fc0ddaee005d	292	blue = LED_Color[j-1][i][2] + k*(LED_Color[j][i][2]-LED_Color[j-1][i][2])/Fade_Steps;
4180_1	0:fc0ddaee005d	293	//Writes 32-bits of RGB color data to LED using SPI hardware
4180_1	0:fc0ddaee005d	294	Write_LED(red, green, blue);
4180_1	0:fc0ddaee005d	295	// Uncomment to get status info on serial port
4180_1	0:fc0ddaee005d	296	// printf("i= %d, j= %d\n\r",i,j);
4180_1	0:fc0ddaee005d	297	// printf(" %d %d %d\n\r",LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	298	}
4180_1	0:fc0ddaee005d	299	//Load in new values just shifted out to LED chain by setting latch high
4180_1	0:fc0ddaee005d	300	wait(.000015);
4180_1	0:fc0ddaee005d	301	latch=1;
4180_1	0:fc0ddaee005d	302	wait(.000015);
4180_1	0:fc0ddaee005d	303	latch=0;
4180_1	0:fc0ddaee005d	304	//Delay for this step in the fade sequence
4180_1	0:fc0ddaee005d	305	wait(Sequence_Delay[j]/Fade_Steps);
4180_1	0:fc0ddaee005d	306	}
4180_1	0:fc0ddaee005d	307	break;
4180_1	0:fc0ddaee005d	308	}
4180_1	0:fc0ddaee005d	309	case 2: {
4180_1	0:fc0ddaee005d	310	//Lighting Effect: Flicker or Twinkle somewhat like a flame
4180_1	0:fc0ddaee005d	311	time_counter.reset();
4180_1	0:fc0ddaee005d	312	time_counter.start();
4180_1	0:fc0ddaee005d	313	while (time_counter.read()<Sequence_Delay[j]) {
4180_1	0:fc0ddaee005d	314	for (i = 0; i < num_LEDS; i++) {
4180_1	0:fc0ddaee005d	315	flicker = rand();
4180_1	0:fc0ddaee005d	316	if (flicker>0x40000000)
4180_1	0:fc0ddaee005d	317	//Writes 32-bits of RGB color data to LED using SPI hardware
4180_1	0:fc0ddaee005d	318	Write_LED( LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	319	// Uncomment to get status info on serial port
4180_1	0:fc0ddaee005d	320	// printf("i= %d, j= %d\n\r",i,j);
4180_1	0:fc0ddaee005d	321	// printf(" %d %d %d\n\r",LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	322	else
4180_1	0:fc0ddaee005d	323	Write_LED( LED_Color[j][i][0]/2, LED_Color[j][i][1]/2, LED_Color[j][i][2]/2);
4180_1	0:fc0ddaee005d	324	}
4180_1	0:fc0ddaee005d	325	//Load in new values just shifted out to LED chain by setting latch high
4180_1	0:fc0ddaee005d	326	wait(.000015);
4180_1	0:fc0ddaee005d	327	latch=1;
4180_1	0:fc0ddaee005d	328	wait(.000015);
4180_1	0:fc0ddaee005d	329	latch=0;
4180_1	0:fc0ddaee005d	330	wait(.05);
4180_1	0:fc0ddaee005d	331	}
4180_1	0:fc0ddaee005d	332	time_counter.stop();
4180_1	0:fc0ddaee005d	333	break;
4180_1	0:fc0ddaee005d	334	}
4180_1	0:fc0ddaee005d	335	case 3: {
4180_1	0:fc0ddaee005d	336	//Lighting Effect: Flashing Broadway Marquee Sign Style
4180_1	0:fc0ddaee005d	337	time_counter.reset();
4180_1	0:fc0ddaee005d	338	time_counter.start();
4180_1	0:fc0ddaee005d	339	while (time_counter.read()<Sequence_Delay[j]) {
4180_1	0:fc0ddaee005d	340	for (i = 0; i < num_LEDS; i++) {
4180_1	0:fc0ddaee005d	341	if (((i+odd)&0x01)==0)
4180_1	0:fc0ddaee005d	342	//Writes 32-bits of RGB color data to LED using SPI hardware
4180_1	0:fc0ddaee005d	343	Write_LED( LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	344	// Uncomment to get status info on serial port
4180_1	0:fc0ddaee005d	345	// printf("i= %d, j= %d\n\r",i,j);
4180_1	0:fc0ddaee005d	346	// printf(" %d %d %d\n\r",LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	347	else
4180_1	0:fc0ddaee005d	348	Write_LED( LED_Color[j][i][0]/4, LED_Color[j][i][1]/4, LED_Color[j][i][2]/4);
4180_1	0:fc0ddaee005d	349	}
4180_1	0:fc0ddaee005d	350	//Load in new values just shifted out to LED chain by setting latch high
4180_1	0:fc0ddaee005d	351	wait(.000015);
4180_1	0:fc0ddaee005d	352	latch=1;
4180_1	0:fc0ddaee005d	353	wait(.000015);
4180_1	0:fc0ddaee005d	354	latch=0;
4180_1	0:fc0ddaee005d	355	wait(.15);
4180_1	0:fc0ddaee005d	356	odd = !odd;
4180_1	0:fc0ddaee005d	357	}
4180_1	0:fc0ddaee005d	358	time_counter.stop();
4180_1	0:fc0ddaee005d	359	break;
4180_1	0:fc0ddaee005d	360	}
4180_1	0:fc0ddaee005d	361	case 4: {
4180_1	0:fc0ddaee005d	362	//Lighting Effect: Circular Shift of Colors
4180_1	0:fc0ddaee005d	363	time_counter.reset();
4180_1	0:fc0ddaee005d	364	time_counter.start();
4180_1	0:fc0ddaee005d	365	k=0;
4180_1	0:fc0ddaee005d	366	while (time_counter.read()<Sequence_Delay[j]) {
4180_1	0:fc0ddaee005d	367	k = (k+1)%num_LEDS;
4180_1	0:fc0ddaee005d	368	for (i = 0; i < num_LEDS; i++) {
4180_1	0:fc0ddaee005d	369
4180_1	0:fc0ddaee005d	370	//Writes 32-bits of RGB color data to LED using SPI hardware
4180_1	0:fc0ddaee005d	371	Write_LED( LED_Color[j][(i+k)%num_LEDS][0], LED_Color[j][(i+k)%num_LEDS][1], LED_Color[j][(i+k)%num_LEDS][2]);
4180_1	0:fc0ddaee005d	372	// Uncomment to get status info on serial port
4180_1	0:fc0ddaee005d	373	// printf("i= %d, j= %d\n\r",i,j);
4180_1	0:fc0ddaee005d	374	// printf(" %d %d %d\n\r",LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	375	}
4180_1	0:fc0ddaee005d	376	//Load in new values just shifted out to LED chain by setting latch high
4180_1	0:fc0ddaee005d	377	wait(.000015);
4180_1	0:fc0ddaee005d	378	latch=1;
4180_1	0:fc0ddaee005d	379	wait(.000015);
4180_1	0:fc0ddaee005d	380	latch=0;
4180_1	0:fc0ddaee005d	381	wait(.10);
4180_1	0:fc0ddaee005d	382	}
4180_1	0:fc0ddaee005d	383	time_counter.stop();
4180_1	0:fc0ddaee005d	384	break;
4180_1	0:fc0ddaee005d	385	case 5: {
4180_1	0:fc0ddaee005d	386	//Random Bright Colors
4180_1	0:fc0ddaee005d	387	time_counter.reset();
4180_1	0:fc0ddaee005d	388	time_counter.start();
4180_1	0:fc0ddaee005d	389	k=0;
4180_1	0:fc0ddaee005d	390	while (time_counter.read()<Sequence_Delay[j]) {
4180_1	0:fc0ddaee005d	391	k = (k+1)%num_LEDS;
4180_1	0:fc0ddaee005d	392	for (i = 0; i < num_LEDS; i++) {
4180_1	0:fc0ddaee005d	393
4180_1	0:fc0ddaee005d	394	//Writes 32-bits of RGB color data to LED using SPI hardware
4180_1	0:fc0ddaee005d	395	Write_LED( (rand()&0x00F000)>>6,(rand()&0x00F000)>>6,(rand()&0x00F000)>>6);
4180_1	0:fc0ddaee005d	396	// Uncomment to get status info on serial port
4180_1	0:fc0ddaee005d	397	// printf("i= %d, j= %d\n\r",i,j);
4180_1	0:fc0ddaee005d	398	// printf(" %d %d %d\n\r",LED_Color[j][i][0], LED_Color[j][i][1], LED_Color[j][i][2]);
4180_1	0:fc0ddaee005d	399	}
4180_1	0:fc0ddaee005d	400	//Load in new values just shifted out to LED chain by setting latch high
4180_1	0:fc0ddaee005d	401	wait(.000015);
4180_1	0:fc0ddaee005d	402	latch=1;
4180_1	0:fc0ddaee005d	403	wait(.000015);
4180_1	0:fc0ddaee005d	404	latch=0;
4180_1	0:fc0ddaee005d	405	wait(.08);
4180_1	0:fc0ddaee005d	406	}
4180_1	0:fc0ddaee005d	407	time_counter.stop();
4180_1	0:fc0ddaee005d	408	break;
4180_1	0:fc0ddaee005d	409	}
4180_1	0:fc0ddaee005d	410	}
4180_1	0:fc0ddaee005d	411	}
4180_1	0:fc0ddaee005d	412	}
4180_1	0:fc0ddaee005d	413	}
4180_1	0:fc0ddaee005d	414	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	21 Apr 2011
Imports:	36
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

main.cpp@0:fc0ddaee005d, 2011-04-21 (annotated)

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