Full color support, rework the directory structure

firmware/Bsp/macros.h

@@ -0,0 +1,86 @@
+
+/**
+   Copyright 2019, Max Regan
+
+   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 _MACROS_H_
+#define _MACROS_H_
+
+#include <assert.h>
+
+/**
+ * I'll probably regret writing all of these at some point.
+ */
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+
+#define MIN(a,b) ((a > b) ? (b) : (a))
+#define MAX(a,b) ((a < b) ? (b) : (a))
+
+/*
+ * For usage with STM32 libraries
+ */
+
+#define STM32_GET_FIELD(x, name)                \
+    ((x) & name##_Msk) >> (name##_Pos)
+
+/*
+ * Bitwise Operations
+ */
+
+#define SET(x, y)                               \
+    do {                                        \
+        (x) |= (y);                             \
+    } while (0)
+
+#define SET_POS(x, y)                           \
+    do {                                        \
+        (x) |= 1u << (y);                       \
+    } while (0)
+
+#define CLR(x, y)                             \
+    do {                                        \
+        (x) &= ~(y);                            \
+    } while (0)
+
+#define CLR_POS(x, y)                         \
+    do {                                        \
+        (x) &= ~(1u << (y));                    \
+    } while (0)
+
+#define FLIP(x, y)                              \
+    do {                                        \
+        (x) ^= (y);                             \
+    } while (0)
+
+#define FLIP_POS(x, y)                          \
+    do {                                        \
+        (x) ^= 1u << y;                         \
+    } while (0)
+
+#define SET_TO(x, clear_mask, val)                                      \
+    do {                                                                \
+        CLR(x, clear_mask);                                           \
+        SET(x, val);                                                    \
+    } while (0)
+
+#endif