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// #define FAST_SPI_INTERRUPTS_WRITE_PINS 1
// #define FORCE_SOFTWARE_SPI 1
#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];
// gdn clk data pwr
// Note: timing values in the code below are stale/out of date
// Hardware SPI Teensy 3 - .362ms for an 86 led frame
// 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, NO_PIN, RBG, MAX_DATA_RATE> LED;
LPD8806Controller<11, 13, NO_PIN, RBG, DATA_RATE_MHZ(1)> LEDSlow;
// SM16716Controller<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, RGB, 0> LED;
// Same Port, non-hardware SPI - 1.2ms for an 86 led frame, 1.12ms with large switch
// WS2801Controller<11, 13, 10, RGB, 0> LED;
// Different Port, non-hardware SPI - 1.47ms for an 86 led frame
// WS2801Controller<7, 13, 10> LED;
// TM1809Controller800Khz<4, RGB> LED;
// UCS1903Controller400Khz<7> LED;
// WS2811Controller800Khz<12, BRG> LED;
// WS2811Controller800Khz<23> LED;
// TM1803Controller400Khz<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));
// }
static void volRun(CRGB *aled, int num) __attribute__((noinline));
static void volRun(CRGB *aled, int num) {
aled[num-1].r = 0;
}
void setup() {
#ifdef DEBUG
delay(5000);
Serial.begin(38400);
Serial.println("resetting!");
#endif
LEDSlow.init();
LEDSlow.clearLeds(300);
LED.init();
#ifdef DEBUG
unsigned long emptyStart = millis();
for(volatile int i = 0 ; i < 10000; i++) {
volRun(leds, NUM_LEDS);
}
unsigned long emptyEnd = millis();
unsigned long start = millis();
for(volatile int i = 0; i < 10000; i++){
LED.showRGB(leds, NUM_LEDS);
// LED2.showRGB((byte*)leds, NUM_LEDS);
}
unsigned long end = millis();
DPRINT("Time for 10000 empty loops: "); DPRINTLN( emptyEnd - emptyStart);
DPRINT("Time for 10000 loops: "); DPRINTLN(end - start);
DPRINT("Time for 10000 adjusted loops: "); DPRINTLN( (end - start) - (emptyEnd - emptyStart));
#endif
}
int count = 0;
long start = millis();
void loop() {
#if 0
memset(leds, 0, NUM_LEDS * sizeof(struct CRGB));
LED.showRGB(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(leds, NUM_LEDS);;
//DPRINTLN("waiting");
delay(20);
}
memset(leds, 0, NUM_LEDS * sizeof(struct CRGB));
for(int iLed = NUM_LEDS - 6; iLed < NUM_LEDS; iLed++) {
switch(i) {
case 0: leds[iLed].r = 255; break;
case 1: leds[iLed].g = 255; break;
case 2: leds[iLed].b = 255; break;
}
}
LED.showRGB(leds, NUM_LEDS);
delay(2000);
}
// 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
}
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