From 7abafe7c8c0f07630dc294b995898d9306e2ac0e Mon Sep 17 00:00:00 2001
From: Attila BODY <a.body@ultimaker.com>
Date: Sun, 16 Dec 2018 21:47:18 +0100
Subject: [PATCH] V0.99

---
 .cproject   | 126 ++++++++++++++++++++--------------------------------
 App/App.cpp |  58 ++++++++++++++++--------
 App/Pixel.h |  10 +++++
 3 files changed, 98 insertions(+), 96 deletions(-)

diff --git a/.cproject b/.cproject
index 309b751..1925130 100644
--- a/.cproject
+++ b/.cproject
@@ -68,7 +68,7 @@
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+								<option id="gnu.cpp.compiler.option.dialect.std.1784254578" name="Language standard" superClass="gnu.cpp.compiler.option.dialect.std" useByScannerDiscovery="true" value="gnu.cpp.compiler.dialect.c++1y" valueType="enumerated"/>
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@@ -111,8 +111,8 @@
 			</storageModule>
 			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
 		</cconfiguration>
-		<cconfiguration id="fr.ac6.managedbuild.config.gnu.cross.exe.release.1877724849">
-			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="fr.ac6.managedbuild.config.gnu.cross.exe.release.1877724849" moduleId="org.eclipse.cdt.core.settings" name="Release">
+		<cconfiguration id="fr.ac6.managedbuild.config.gnu.cross.exe.debug.2038470026.1448765650">
+			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="fr.ac6.managedbuild.config.gnu.cross.exe.debug.2038470026.1448765650" moduleId="org.eclipse.cdt.core.settings" name="Release">
 				<externalSettings/>
 				<extensions>
 					<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
@@ -124,25 +124,25 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" id="fr.ac6.managedbuild.config.gnu.cross.exe.release.1877724849" name="Release" parent="fr.ac6.managedbuild.config.gnu.cross.exe.release" postannouncebuildStep="Generating hex and Printing size information:" postbuildStep="arm-none-eabi-objcopy -O ihex &quot;${BuildArtifactFileBaseName}.elf&quot; &quot;${BuildArtifactFileBaseName}.hex&quot; &amp;&amp; arm-none-eabi-size &quot;${BuildArtifactFileName}&quot;">
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 								<outputEntries>
-									<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="outputPath" name="Release"/>
+									<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="outputPath" name="Debug"/>
 								</outputEntries>
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@@ -150,20 +150,20 @@
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@@ -171,70 +171,42 @@
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-						</toolChain>
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-					<folderInfo id="fr.ac6.managedbuild.config.gnu.cross.exe.release.1877724849.2134740968" name="/" resourcePath="App">
-						<toolChain id="fr.ac6.managedbuild.toolchain.gnu.cross.exe.release.1992739119" name="Ac6 STM32 MCU GCC" superClass="fr.ac6.managedbuild.toolchain.gnu.cross.exe.release" unusedChildren="">
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-								<inputType id="fr.ac6.managedbuild.tool.gnu.cross.assembler.input.1739854860" superClass="fr.ac6.managedbuild.tool.gnu.cross.assembler.input"/>
+							<tool id="fr.ac6.managedbuild.tool.gnu.archiver.860892668" name="MCU GCC Archiver" superClass="fr.ac6.managedbuild.tool.gnu.archiver"/>
+							<tool id="fr.ac6.managedbuild.tool.gnu.cross.assembler.526775765" name="MCU GCC Assembler" superClass="fr.ac6.managedbuild.tool.gnu.cross.assembler">
+								<option id="gnu.both.asm.option.include.paths.436068520" name="Include paths (-I)" superClass="gnu.both.asm.option.include.paths" useByScannerDiscovery="false"/>
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diff --git a/App/App.cpp b/App/App.cpp
index ca9cefb..fa4a738 100644
--- a/App/App.cpp
+++ b/App/App.cpp
@@ -12,10 +12,14 @@
 #include "gpio.h"
 
 #include <string.h>
+#include <stdlib.h>
 #include "Pixel.h"
 #include "LedBuffers.h"
 #include "Sparkle.h"
 
+#define NUMSPARKLES 10
+Sparkle	g_s[NUMSPARKLES];
+
 void convert(uint8_t *src, uint8_t *dst, uint16_t size)
 {
 	static uint8_t const bits[4] = { 0b10001000, 0b10001110, 0b11101000, 0b11101110 };
@@ -30,6 +34,31 @@ void convert(uint8_t *src, uint8_t *dst, uint16_t size)
 	}
 }
 
+inline uint16_t rr(uint16_t top)
+{
+	return rand() % top;
+}
+
+uint16_t ChoosePixel()
+{
+	volatile uint16_t chosen;
+	uint16_t spi;
+
+	do {
+		chosen = rr(NUMPIXELS);
+		for(spi=0; spi<NUMSPARKLES; ++spi) {
+			if(static_cast<Pixel_t*>(g_s[spi]) && static_cast<Pixel_t*>(g_s[spi]) == &g_pixels[chosen])
+				break;
+		}
+	} while(spi < NUMSPARKLES);
+	return chosen;
+}
+
+void StartSparkle( Sparkle &s )
+{
+	s.Start(g_pixels+ChoosePixel(), Pixel(255,255,255), Pixel(rr(5)+1,rr(5)+1,rr(5)+1));
+}
+
 extern "C" void App()
 {
 	g_ledBits[sizeof(g_ledBits)-1] = 0;
@@ -38,25 +67,16 @@ extern "C" void App()
 
 	while(1)
 	{
-		Sparkle	s;
-		Pixel_t color = {0xff, 0xff, 0xff};
-		Pixel_t fadeSpeed = {1,2,3};
-
-		for(uint16_t idx=0; idx < NUMPIXELS; idx++)
-		{
-			s.Start(&g_pixels[idx], color, fadeSpeed);
-			convert((uint8_t*)g_pixels, g_ledBits, sizeof(g_pixels));
-			HAL_SPI_Transmit_DMA(&hspi1, g_ledBits, sizeof(g_ledBits));
-			while(!g_done);
-			HAL_Delay(1);
-
-			do {
-				s.Step();
-				convert((uint8_t*)g_pixels, g_ledBits, sizeof(g_pixels));
-				HAL_SPI_Transmit_DMA(&hspi1, g_ledBits, sizeof(g_ledBits));
-				while(!g_done);
-				HAL_Delay(1);
-			} while( static_cast<Pixel_t*>( s ));
+		for(int16_t spi = 0; spi < NUMSPARKLES; ++spi) {
+			if(static_cast<Pixel_t*>(g_s[spi]))
+				g_s[spi].Step();
+			else
+				StartSparkle(g_s[spi]);
 		}
+
+		convert((uint8_t*)g_pixels, g_ledBits, sizeof(g_pixels));
+		HAL_SPI_Transmit_DMA(&hspi1, g_ledBits, sizeof(g_ledBits));
+		while(!g_done);
+		HAL_Delay(5);
 	}
 }
diff --git a/App/Pixel.h b/App/Pixel.h
index ac6cc26..cf9ce5e 100644
--- a/App/Pixel.h
+++ b/App/Pixel.h
@@ -24,4 +24,14 @@ typedef struct {
 }
 #endif
 
+#ifdef __cplusplus
+struct Pixel : public Pixel_t {
+	Pixel(uint8_t _r, uint8_t _g, uint8_t _b) {
+		g =_g;
+		r = _r;
+		b = _b;
+	}
+};
+#endif
+
 #endif /* PIXEL_H_ */