Add WS2812Serial driver (#517)

* Update Pintest example

* Use arm/k66 platform for Teensy 3.5

* Add WS2812Serial driver

9 files changed, 68 insertions, 4 deletions

diff --git a/FastLED.h b/FastLED.h
index b63b60d9..8e59d323 100644
--- a/FastLED.h
+++ b/FastLED.h
@@ -84,6 +84,7 @@ enum ESPIChipsets {
 
 enum ESM { SMART_MATRIX };
 enum OWS2811 { OCTOWS2811,OCTOWS2811_400, OCTOWS2813};
+enum SWS2812 { WS2812SERIAL };
 
 #ifdef HAS_PIXIE
 template<uint8_t DATA_PIN, EOrder RGB_ORDER> class PIXIE : public PixieController<DATA_PIN, RGB_ORDER> {};
@@ -373,6 +374,15 @@ public:
 
 #endif
 
+#ifdef USE_WS2812SERIAL
+	template<SWS2812 CHIPSET, int DATA_PIN, EOrder RGB_ORDER>
+	static CLEDController &addLeds(struct CRGB *data, int nLedsOrOffset, int nLedsIfOffset = 0)
+	{
+		static CWS2812SerialController<DATA_PIN,RGB_ORDER> controller;
+		return addLeds(&controller, data, nLedsOrOffset, nLedsIfOffset);
+	}
+#endif
+
 #ifdef SmartMatrix_h
 	template<ESM CHIPSET>
 	static CLEDController &addLeds(struct CRGB *data, int nLedsOrOffset, int nLedsIfOffset = 0)
diff --git a/examples/Pintest/Pintest.ino b/examples/Pintest/Pintest.ino
index 727341e7..a63f0d46 100644
--- a/examples/Pintest/Pintest.ino
+++ b/examples/Pintest/Pintest.ino
@@ -1,5 +1,5 @@
 
-#include <FastSPI_LED2.h>
+#include <FastSPI_LED.h>
 
 const char *getPort(void *portPtr) {
 #ifdef PORTA
@@ -102,4 +102,4 @@ void setup() {
 void loop() { 
 	CheckPin<MAX_PIN>();
 	delay(10000);
-}
\ No newline at end of file
+}
diff --git a/keywords.txt b/keywords.txt
index 509c806c..a735cb52 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -313,6 +313,11 @@ UCS1903B	LITERAL1
 GW6205	LITERAL1
 GW6205B	LITERAL1
 LPD1886	LITERAL1
+OCTOWS2811	LITERAL1
+OCTOWS2811_400	LITERAL1
+OCTOWS2813	LITERAL1
+WS2812SERIAL	LITERAL1
+SMART_MATRIX	LITERAL1
 
 # RGB orderings
 RGB	LITERAL1
diff --git a/led_sysdefs.h b/led_sysdefs.h
index 93d878ac..24b9bc20 100644
--- a/led_sysdefs.h
+++ b/led_sysdefs.h
@@ -10,7 +10,7 @@
 #elif defined(__MK20DX128__) || defined(__MK20DX256__)
 // Include k20/T3 headers
 #include "platforms/arm/k20/led_sysdefs_arm_k20.h"
-#elif defined(__MK66FX1M0__)
+#elif defined(__MK66FX1M0__) || defined(__MK64FX512__)
 // Include k66/T3.6 headers
 #include "platforms/arm/k66/led_sysdefs_arm_k66.h"
 #elif defined(__MKL26Z64__)
diff --git a/platforms.h b/platforms.h
index 9fb4fcb9..5a536371 100644
--- a/platforms.h
+++ b/platforms.h
@@ -10,7 +10,7 @@
 #elif defined(__MK20DX128__) || defined(__MK20DX256__)
 // Include k20/T3 headers
 #include "platforms/arm/k20/fastled_arm_k20.h"
-#elif defined(__MK66FX1M0__)
+#elif defined(__MK66FX1M0__) || defined(__MK64FX512__)
 // Include k66/T3.6 headers
 #include "platforms/arm/k66/fastled_arm_k66.h"
 #elif defined(__MKL26Z64__)
diff --git a/platforms/arm/k20/fastled_arm_k20.h b/platforms/arm/k20/fastled_arm_k20.h
index 8b338fcb..06c5c8e8 100644
--- a/platforms/arm/k20/fastled_arm_k20.h
+++ b/platforms/arm/k20/fastled_arm_k20.h
@@ -5,6 +5,7 @@
 #include "fastpin_arm_k20.h"
 #include "fastspi_arm_k20.h"
 #include "octows2811_controller.h"
+#include "ws2812serial_controller.h"
 #include "smartmatrix_t3.h"
 #include "clockless_arm_k20.h"
 #include "clockless_block_arm_k20.h"
diff --git a/platforms/arm/k20/ws2812serial_controller.h b/platforms/arm/k20/ws2812serial_controller.h
new file mode 100644
index 00000000..0bca7d5e
--- /dev/null
+++ b/platforms/arm/k20/ws2812serial_controller.h
@@ -0,0 +1,46 @@
+#ifndef __INC_WS2812SERIAL_CONTROLLER_H
+#define __INC_WS2812SERIAL_CONTROLLER_H
+
+#ifdef USE_WS2812SERIAL
+
+FASTLED_NAMESPACE_BEGIN
+
+template<int DATA_PIN, EOrder RGB_ORDER>
+class CWS2812SerialController : public CPixelLEDController<RGB_ORDER, 8, 0xFF> {
+  WS2812Serial *pserial;
+  uint8_t *drawbuffer,*framebuffer;
+
+  void _init(int nLeds) {
+    if (pserial == NULL) {
+      drawbuffer = (uint8_t*)malloc(nLeds * 3);
+      framebuffer = (uint8_t*)malloc(nLeds * 12);
+      pserial = new WS2812Serial(nLeds, framebuffer, drawbuffer, DATA_PIN, WS2812_RGB);
+      pserial->begin();
+    }
+  }
+public:
+  CWS2812SerialController() { pserial = NULL; }
+
+  virtual void init() { /* do nothing yet */ }
+
+  virtual void showPixels(PixelController<RGB_ORDER, 8, 0xFF> & pixels) {
+    _init(pixels.size());
+
+    uint8_t *p = drawbuffer;
+
+    while(pixels.has(1)) {
+      *p++ = pixels.loadAndScale0();
+      *p++ = pixels.loadAndScale1();
+      *p++ = pixels.loadAndScale2();
+      pixels.stepDithering();
+      pixels.advanceData();
+    }
+    pserial->show();
+  }
+
+};
+
+FASTLED_NAMESPACE_END
+
+#endif // USE_WS2812SERIAL
+#endif // __INC_WS2812SERIAL_CONTROLLER_H
diff --git a/platforms/arm/k66/fastled_arm_k66.h b/platforms/arm/k66/fastled_arm_k66.h
index 239e4d5c..2113e10e 100644
--- a/platforms/arm/k66/fastled_arm_k66.h
+++ b/platforms/arm/k66/fastled_arm_k66.h
@@ -5,6 +5,7 @@
 #include "fastpin_arm_k66.h"
 #include "fastspi_arm_k66.h"
 #include "../k20/octows2811_controller.h"
+#include "../k20/ws2812serial_controller.h"
 #include "../k20/smartmatrix_t3.h"
 #include "clockless_arm_k66.h"
 #include "clockless_block_arm_k66.h"
diff --git a/platforms/arm/kl26/fastled_arm_kl26.h b/platforms/arm/kl26/fastled_arm_kl26.h
index 1e7c2e30..a0ef0ff7 100644
--- a/platforms/arm/kl26/fastled_arm_kl26.h
+++ b/platforms/arm/kl26/fastled_arm_kl26.h
@@ -5,5 +5,6 @@
 #include "fastpin_arm_kl26.h"
 #include "fastspi_arm_kl26.h"
 #include "clockless_arm_kl26.h"
+#include "../k20/ws2812serial_controller.h"
 
 #endif