migrate code to AS7, including fucked up arduino import

arduino as a library will not build with -flto. I can't figure it out. so we
waste some space compared to what platformio was building. oh well. there's
still over 1K of space left for programs.

fw/HackSpaceCon_AS7/HSC_Wand/hsv2rgb.h

@@ -0,0 +1,132 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016  B. Stultiens
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#ifndef __HSV2RGB_H__
+#define __HSV2RGB_H__
+
+#include <stdint.h>
+
+
+typedef struct color_rgb {
+    uint16_t r;
+    uint16_t g;
+    uint16_t b;
+} color_rgb;
+
+typedef struct color_hsv {
+    uint16_t h;
+    uint16_t s;
+    uint16_t v;
+} color_hsv;
+
+
+#define HSV2RGB_BITS            8 // 10
+#define HSV2RGB_COUNT           ((1 < HSV2RGB_BITS)-1)
+
+#define HSV_HUE_SEXTANT         (1 << HSV2RGB_BITS)
+#define HSV_HUE_STEPS           (6 * HSV_HUE_SEXTANT)
+
+#define HSV_HUE_MIN             0
+#define HSV_HUE_MAX             (HSV_HUE_STEPS - 1)
+#define HSV_SAT_MIN             0
+#define HSV_SAT_MAX             255
+#define HSV_VAL_MIN             0
+#define HSV_VAL_MAX             255
+
+/* Options: */
+#define HSV_USE_SEXTANT_TEST    /* Limit the hue to 0...360 degrees */
+
+#define hsv2rgb(h,s,v,r,g,b)    hsv2rgb_32b_8(h,s,v,r,g,b)
+
+
+//void hsv2rgb_8b(uint16_t h, uint16_t s, uint16_t v, uint16_t *r, uint16_t *g , uint16_t *b);
+void hsv2rgb_32b_8(uint16_t h, uint8_t s, uint8_t v, uint8_t *r, uint8_t *g , uint8_t *b);
+//void hsv2rgb_32b_16(uint16_t h, uint16_t s, uint16_t v, uint16_t *r, uint16_t *g , uint16_t *b);
+
+
+
+/*
+ * Macros that are common to all implementations
+ */
+#ifdef HSV_USE_SEXTANT_TEST
+#define HSV_SEXTANT_TEST(sextant) \
+    if((sextant) > 5) { \
+        (sextant) = 5; \
+    }
+
+#else
+#define HSV_SEXTANT_TEST(sextant)
+#endif
+
+/*
+ * Pointer swapping:
+ *  sext.   r g b   r<>b    g<>b    r <> g  result
+ *  0 0 0   v u c           !u v c  u v c
+ *  0 0 1   d v c               d v c
+ *  0 1 0   c v u   u v c           u v c
+ *  0 1 1   c d v   v d c       d v c   d v c
+ *  1 0 0   u c v       u v c       u v c
+ *  1 0 1   v c d       v d c   d v c   d v c
+ *
+ * if(sextant & 2)
+ *  r <-> b
+ *
+ * if(sextant & 4)
+ *  g <-> b
+ *
+ * if(!(sextant & 6) {
+ *  if(!(sextant & 1))
+ *      r <-> g
+ * } else {
+ *  if(sextant & 1)
+ *      r <-> g
+ * }
+ */
+#define HSV_SWAPPTR(a,b)    do { uint8_t *tmp = (a); (a) = (b); (b) = tmp; } while(0)
+//#define HSV_SWAPPTR(a,b)    do { uint16_t *tmp = (a); (a) = (b); (b) = tmp; } while(0)
+#define HSV_POINTER_SWAP(sextant,r,g,b) \
+    do { \
+        if((sextant) & 2) { \
+            HSV_SWAPPTR((r), (b)); \
+        } \
+        if((sextant) & 4) { \
+            HSV_SWAPPTR((g), (b)); \
+        } \
+        if(!((sextant) & 6)) { \
+            if(!((sextant) & 1)) { \
+                HSV_SWAPPTR((r), (g)); \
+            } \
+        } else { \
+            if((sextant) & 1) { \
+                HSV_SWAPPTR((r), (g)); \
+            } \
+        } \
+    } while(0)
+#define HSV_MONOCHROMATIC_TEST(s,v,r,g,b) \
+    do { \
+        if(!(s)) { \
+             *(r) = *(g) = *(b) = (v); \
+            return; \
+        } \
+    } while(0)
+#endif