Ned Konz / Mbed 2 deprecated Multi_WS2811_test

Test program for my Multi_WS2811 library that started out as a fork of heroic/WS2811. My library uses hardware DMA on the FRDM-KL25Z to drive up to 16 strings of WS2811 or WS2812 LEDs in parallel.

Dependencies:   Multi_WS2811 mbed MMA8451Q

Fork of WS2811 by Heroic Robotics

NOTE: I have accidentally pushed changes for another fork of this program that I used in the recent Georgetown Carnival Power Tool Races. When I get some time, I will restore the test program to its original glory.

You can see my power tool racer (Nevermore's Revenge) here

/media/uploads/bikeNomad/img_0482.jpg

This tests my FRDM-KL25Z multi-string WS2811/WS2812 library. It uses the accelerometer to change the rainbow phase on two strings of LEDs as well as the touch sense to change brightness.

A video of this program in operation is here.

Here is the library that I developed to run the LEDs:

Import libraryMulti_WS2811

Library allowing up to 16 strings of 60 WS2811 or WS2812 LEDs to be driven from a single FRDM-KL25Z board. Uses hardware DMA to do a full 800 KHz rate without much CPU burden.

Last commit 13 Jun 2015 by Ned Konz

Diff: main.cpp

Revision:
32:115032de785f
Parent:
30:52e9205a8059
Child:
33:43b504e417e3
diff -r c9eee3a33826 -r 115032de785f main.cpp
--- a/main.cpp	Sat Jan 04 00:45:20 2014 +0000
+++ b/main.cpp	Thu Jun 11 15:24:57 2015 +0000
@@ -1,24 +1,36 @@
 #include "mbed.h"
-#include "WS2811.h"
 #include "Colors.h"
 #include "TSISensor.h"
 #include "MMA8451Q.h"
 
 #define MMA8451_I2C_ADDRESS (0x1d<<1)
 
+#define INSTANTIATE_TEMPLATES 1
+#include "WS2811.h"
+
+// I/O pin usage
+// PTD0 TPM0 CH0 monitor
+// PTD1 TPM0 CH1 monitor
+// PTD2 data output for strip# 1
+// PTD3 data output for strip# 2
+// PTD4 blinking eyes output (HI = ON)
+
+unsigned const DATA_OUT_PIN1 = 2; // PTD2
+unsigned const DATA_OUT_PIN2 = 3; // PTD3
+
+const unsigned MAX_LEDS_PER_STRIP = 32;
+
 // per LED: 3 * 20 mA = 60mA max
 // 60 LEDs: 60 * 60mA = 3600 mA max
 // 120 LEDs: 7200 mA max
 unsigned const nLEDs = MAX_LEDS_PER_STRIP;
 
-// I/O pin usage
-// PTD0 TPM0 CH0 monitor
-// PTD1 TPM0 CH1 monitor
-// PTD2 data output
-// PTD3 debug output
+template class WS2811<MAX_LEDS_PER_STRIP>;
 
-unsigned const DATA_OUT_PIN1 = 2; // PTD2
-unsigned const DATA_OUT_PIN2 = 3; // PTD3
+typedef WS2811<MAX_LEDS_PER_STRIP> MyWS2811;
+
+MyWS2811 lightStrip1(nLEDs, DATA_OUT_PIN1);
+MyWS2811 lightStrip2(nLEDs, DATA_OUT_PIN2);
 
 Serial pc(USBTX, USBRX);
 Timer timeRunning;
@@ -48,7 +60,7 @@
 // @param sat saturation, 0.0 - 1.0
 // @param brite brightness, 0.0 - 1.0
 // @param hueShift shift, 0.0 - 1.0 is equivalent to 0 - 360 degrees
-static void showRainbow(WS2811 &strip, float sat, float brite, float hueShift)
+static void showRainbow(MyWS2811 &strip, float sat, float brite, float hueShift)
 {
     unsigned nLEDs = strip.numPixels();
     for (unsigned i = 0; i < nLEDs; i++) {
@@ -60,7 +72,7 @@
     strip.show();
 }
 
-static void showSolidColor(WS2811 &strip, uint8_t r, uint8_t g, uint8_t b)
+static void showSolidColor(MyWS2811 &strip, uint8_t r, uint8_t g, uint8_t b)
 {
     unsigned nLEDs = strip.numPixels();
     for (unsigned i = 0; i < nLEDs; i++) {
@@ -72,8 +84,7 @@
 int main(void)
 {
     pc.baud(115200);
-    WS2811 lightStrip1(nLEDs, DATA_OUT_PIN1);
-    WS2811 lightStrip2(nLEDs, DATA_OUT_PIN2);
+
 
     lightStrip1.begin();
     lightStrip2.begin();
@@ -102,7 +113,7 @@
 
         showSolidColor(lightStrip1, r, g, b);
         showSolidColor(lightStrip2, r, g, b);
-        WS2811::startDMA();
+        MyWS2811::startDMA();
 
         frames++;
     }
@@ -121,7 +132,7 @@
         readTouchSensor();
         showRainbow(lightStrip1, sat, brite, abs(xyz[0]));
         showRainbow(lightStrip2, sat, brite, abs(xyz[1]));
-        WS2811::startDMA();
+        MyWS2811::startDMA();
 
         frames ++;
     }