1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
#include "FastSPI_LED2.h"
// #define DEBUG
#ifdef DEBUG
#define DPRINT Serial.print
#define DPRINTLN Serial.println
#else
#define DPRINT(x)
#define DPRINTLN(x)
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////
//
// test code
//
//////////////////////////////////////////////////
#define NUM_LEDS 86
struct CRGB { byte g; byte r; byte b; };
struct CRGB leds[NUM_LEDS];
// Note: timing values in the code below are stale/out of date
// Hardware SPI - .652ms for an 86 led frame @8Mhz (3.1Mbps?), .913ms @4Mhz 1.434ms @2Mhz
// Hardware SPIr2 - .539ms @8Mhz, .799 @4Mhz, 1.315ms @2Mhz
// With the wait ordering reversed, .520ms at 8Mhz, .779ms @4Mhz, 1.3ms @2Mhz
LPD8806Controller<11, 13, 10> LED;
//LPD8806Controller<11, 13, 14> LED;
// LPD8806Controller<2, 1, 0> LED; // teensy pins
// LPD8806Controller<0, 4, 10> LED;
// LPD8806Controller<12, 13, 10, 0> LED;
// Same Port, non-hardware SPI - 1.2ms for an 86 led frame, 1.12ms with large switch
// r2 - .939ms without large switch .823ms with large switch
// r3 - .824ms removing 0 balancing nop, .823 with large switch removing balancing
// LPD8806Controller<12, 13, 10> LED;
// LPD8806Controller<14, 1, 10> LED; // teensy pins
// Different Port, non-hardware SPI - 1.47ms for an 86 led frame
// Different PortR2, non-hardware SPI - 1.07ms for an 86 led frame
// LPD8806Controller<7, 13, 10> LED;
// LPD8806Controller<8, 1, 10> LED;
// LPD8806Controller<11, 14, 10> LED;
// Hardware SPI - .652ms for an 86 led frame @8Mhz (3.1Mbps?), .913ms @4Mhz 1.434ms @2Mhz
// With the wait ordering reversed, .520ms at 8Mhz, .779ms @4Mhz, 1.3ms @2Mhz
// WS2801Controller<11, 13, 10, 0> LED;
// Same Port, non-hardware SPI - 1.2ms for an 86 led frame, 1.12ms with large switch
// WS2801Controller<12, 13, 10> LED;
// Different Port, non-hardware SPI - 1.47ms for an 86 led frame
// WS2801Controller<7, 13, 10> LED;
// TM1809Controller800Mhz<6> LED;
// UCS1903Controller400Mhz<7> LED;
// WS2811Controller800Mhz<12> LED;
// WS2811Controller800Mhz<5> LED;
// TM1803Controller400Mhz<5> LED;
//////////////////////////////////////////////////////////////////////////////////////
//
// Sample code showing using multiple LED controllers simultaneously
//
// int ledset = 0;
// void show() {
// switch(ledset) {
// case 0: LED.showRGB((byte*)leds, NUM_LEDS); break;
// // case 1: LED2.showRGB((byte*)leds, NUM_LEDS); break;
// // case 2: LED3.showRGB((byte*)leds, NUM_LEDS); break;
// // case 3: LED4.showRGB((byte*)leds, NUM_LEDS); break;
// // case 4: LED5.showRGB((byte*)leds, NUM_LEDS); break;
// }
// // LED.showRGB((byte*)leds, NUM_LEDS);
// // LED2.showRGB((byte*)leds, NUM_LEDS);
// // LED3.showRGB((byte*)leds, NUM_LEDS);
// // LED4.showRGB((byte*)leds, NUM_LEDS);
// // LED5.showRGB((byte*)leds, NUM_LEDS);
// memset(leds, 0, NUM_LEDS * sizeof(struct CRGB));
// }
void setup() {
#ifdef DEBUG
delay(5000);
Serial.begin(38400);
Serial.println("resetting!");
#endif
LED.init();
#ifdef DEBUG
int start = millis();
for(int i = 0; i < 1000; i++){
LED.showRGB((byte*)leds, NUM_LEDS);
// LED2.showRGB((byte*)leds, NUM_LEDS);
}
int end = millis();
DPRINT("Time for 1000 loops: "); DPRINTLN(end - start);
#endif
}
void loop() {
#if 0
memset(leds, 255, NUM_LEDS * sizeof(struct CRGB));
LED.showRGB((byte*)leds, NUM_LEDS);
delay(20);
#else
for(int i = 0; i < 3; i++) {
for(int iLed = 0; iLed < NUM_LEDS; iLed++) {
memset(leds, 0, NUM_LEDS * sizeof(struct CRGB));
switch(i) {
case 0: leds[iLed].r = 128; break;
case 1: leds[iLed].g = 128; break;
case 2: leds[iLed].b = 128; break;
}
LED.showRGB((byte*)leds, NUM_LEDS);;
//DPRINTLN("waiting");
delay(20);
}
}
for(int i = 0; i < 64; i++) {
memset(leds, i, NUM_LEDS * 3);
LED.showRGB((byte*)leds, NUM_LEDS);;
// DPRINTLN("waiting");
delay(40);
}
for(int i = 64; i >= 0; i--) {
memset(leds, i, NUM_LEDS * 3);
LED.showRGB((byte*)leds, NUM_LEDS);;
// DPRINTLN("waiting");
delay(40);
}
#endif
}
|
