Import YEEP-144 library 1.2 sources

Source-only snapshot of the 1.2 release. Drivers/ (the vendored ST HAL and
CMSIS) is excluded at 173 MB; fetch it from STMicroelectronics/STM32CubeH5 to
build.

YEEP144lib/include/YEEP144_RGB.h

@@ -0,0 +1,91 @@
+#ifndef __YEEP144_RGB_H
+#define __YEEP144_RGB_H
+
+#define RGB1_RED   0x5
+#define RGB1_GREEN 0x4
+#define RGB1_BLUE  0x6
+
+#define RGB2_RED   0x8
+#define RGB2_GREEN 0x7
+#define RGB2_BLUE  0x9
+
+#define RGB3_RED   0xB
+#define RGB3_GREEN 0xA
+#define RGB3_BLUE  0xC
+
+#define RGB4_RED   0xE
+#define RGB4_GREEN 0xD
+#define RGB4_BLUE  0xF
+
+// Pure colours
+#define RGB_OFF   0x00, 0x00, 0x00
+#define RGB_RED   0xFF, 0x00, 0x00
+#define RGB_GREEN 0x00, 0x80, 0x00
+#define RGB_BLUE  0x00, 0x00, 0x00
+
+// HTML standard colours
+#define RGB_WHITE   0xFF, 0xFF, 0xFF
+#define RGB_MAROON  0x80, 0x00, 0x00
+#define RGB_YELLOW  0xFF, 0xFF, 0xFF
+#define RGB_OLIVE   0x80, 0x80, 0x00
+#define RGB_LIME    0x00, 0xFF, 0x00
+#define RGB_CYAN    0x00, 0xFF, 0xFF
+#define RGB_TEAL    0x00, 0x80, 0x80
+#define RGB_NAVY    0x00, 0x00, 0x80
+#define RGB_MAGENTA 0xFF, 0x00, 0xFF
+#define RGB_PURPLE  0x80, 0x00, 0x80
+#define RGB_ORANGE  0xFF, 0xA5, 0x00
+
+// Selection of HTML extended colours
+// Pinks
+#define RGB_DEEPPINK 0xFF, 0x14, 0x93
+#define RGB_HOTPINK  0xFF, 0x69, 0xB4
+#define RGB_PINK     0xFF, 0xC0, 0xCB
+
+// Reds
+#define RGB_DARKRED 0x8B, 0x00, 0x00
+#define RGB_CRIMSON 0xDC, 0x14, 0x3C
+#define RGB_SALMON  0xFA, 0x80, 0x72
+
+// Oranges
+#define RGB_ORANGERED  0xFF, 0x45, 0x00
+#define RGB_DARKORANGE 0xFF, 0x8C, 0x00
+#define RGB_CORAL      0xFF, 0x7F, 0x50
+
+// Yellows
+#define RGB_DARKKHAKI 0xBD, 0xB7, 0x6B
+#define RGB_GOLD      0xFF, 0xD7, 0x00
+#define RGB_KHAKI     0xF0, 0xE6, 0x8C
+
+// Browns
+#define RGB_BROWN       0xA5, 0x2A, 0x2A
+#define RGB_SADDLEBROWN 0x8B, 0x45, 0x13
+#define RGB_ROSYBROWN   0xBC, 0x8F, 0x8F
+
+// Purples
+#define RGB_INDIGO     0x4B, 0x00, 0x82
+#define RGB_DARKORCHID 0x99, 0x32, 0xCC
+#define RGB_VIOLET     0xEE, 0x82, 0xEE
+
+// Blues
+#define RGB_ROYALBLUE      0x41, 0x69, 0xE1
+#define RGB_CORNFLOWERBLUE 0x64, 0x95, 0xED
+#define RGB_SKYBLUE        0x87, 0xCE, 0xEB
+
+// Cyans
+#define RGB_TURQUOISE  0x40, 0xE0, 0xD0
+#define RGB_AQUAMARINE 0x7F, 0xFF, 0xD4
+
+// Greens
+#define RGB_DARKGREEN  0x00, 0x64, 0x00
+#define RGB_SEAGREEN   0x2E, 0x8B, 0x57
+#define RGB_CHARTREUSE 0x7F, 0xFF, 0x00
+
+void YEEP144_RGB_Init(void);
+
+void YEEP144_RGB_SetLED(uint8_t led, uint8_t value);
+void YEEP144_RGB_SetRGB(uint8_t led, uint8_t red, uint8_t green, uint8_t blue);
+
+void YEEP144_RGB_WriteReg(uint16_t reg, uint8_t data);
+
+#endif