Refactor to minimize differences between galp3-c and lemp9 code

src/common/include/common/keymap.h

@@ -0,0 +1,199 @@
+#ifndef _COMMON_KEYMAP_H
+#define _COMMON_KEYMAP_H
+
+#include <stdint.h>
+
+// Translate a keycode from PS/2 set 2 to PS/2 set 1
+uint16_t keymap_translate(uint16_t key);
+
+// Key types
+#define KT_MASK (0xF000)
+
+// Normal keys
+#define KT_NORMAL (0x0000)
+
+// Layer selection
+#define KT_FN (0x1000)
+
+// SCI
+#define KT_SCI (0x2000)
+
+#define SCI_BRIGHTNESS_DOWN (0x11)
+#define SCI_BRIGHTNESS_UP (0x12)
+#define SCI_AIRPLANE_MODE (0x14)
+#define SCI_SUSPEND (0x15)
+
+// See http://www.techtoys.com.hk/Downloads/Download/Microchip/PS2_driver/ScanCode.pdf
+
+// Should send 0xE0 before scancode bytes
+#define K_E0 (0x0100)
+
+// Hotkeys
+
+#define K_PLAY_PAUSE (K_E0 | 0x34)
+#define K_MUTE (K_E0 | 0x23)
+#define K_VOLUME_DOWN (K_E0 | 0x21)
+#define K_VOLUME_UP (K_E0 | 0x32)
+// Custom scancode
+#define K_TOUCHPAD (K_E0 | 0x63)
+
+// Function keys
+
+#define K_F1 (0x05)
+#define K_F2 (0x06)
+#define K_F3 (0x04)
+#define K_F4 (0x0C)
+#define K_F5 (0x03)
+#define K_F6 (0x0B)
+#define K_F7 (0x83)
+#define K_F8 (0x0A)
+#define K_F9 (0x01)
+#define K_F10 (0x09)
+#define K_F11 (0x78)
+#define K_F12 (0x07)
+
+// Number keys
+
+#define K_0 (0x45)
+#define K_1 (0x16)
+#define K_2 (0x1E)
+#define K_3 (0x26)
+#define K_4 (0x25)
+#define K_5 (0x2E)
+#define K_6 (0x36)
+#define K_7 (0x3D)
+#define K_8 (0x3E)
+#define K_9 (0x46)
+
+// Letter keys
+
+#define K_A (0x1C)
+#define K_B (0x32)
+#define K_C (0x21)
+#define K_D (0x23)
+#define K_E (0x24)
+#define K_F (0x2B)
+#define K_G (0x34)
+#define K_H (0x33)
+#define K_I (0x43)
+#define K_J (0x3B)
+#define K_K (0x42)
+#define K_L (0x4B)
+#define K_M (0x3A)
+#define K_N (0x31)
+#define K_O (0x44)
+#define K_P (0x4D)
+#define K_Q (0x15)
+#define K_R (0x2D)
+#define K_S (0x1B)
+#define K_T (0x2C)
+#define K_U (0x3C)
+#define K_V (0x2A)
+#define K_W (0x1D)
+#define K_X (0x22)
+#define K_Y (0x35)
+#define K_Z (0x1A)
+
+// Special keys
+
+// Escape key
+#define K_ESC (0x76)
+
+//TODO: Print screen, scroll lock, pause
+
+// Tick/tilde key
+#define K_TICK (0x0E)
+// Minus/underline key
+#define K_MINUS (0x4E)
+// Equals/plus key
+#define K_EQUALS (0x55)
+// Backspace key
+#define K_BKSP (0x66)
+
+// Tab key
+#define K_TAB (0x0D)
+// Bracket open key
+#define K_BRACE_OPEN (0x54)
+// Bracket close key
+#define K_BRACE_CLOSE (0x5B)
+// Backslash/pipe key
+#define K_BACKSLASH (0x5D)
+
+// Capslock
+#define K_CAPS (0x58)
+// Semicolon key
+#define K_SEMICOLON (0x4C)
+// Quote key
+#define K_QUOTE (0x52)
+// Enter key
+#define K_ENTER (0x5A)
+
+// Left shift
+#define K_LEFT_SHIFT (0x12)
+// Comma key
+#define K_COMMA (0x41)
+// Period key
+#define K_PERIOD (0x49)
+// Slash key
+#define K_SLASH (0x4A)
+// Right shift
+#define K_RIGHT_SHIFT (0x59)
+
+// Left control key
+#define K_LEFT_CTRL (0x14)
+// Left super key
+#define K_LEFT_SUPER (K_E0 | 0x1F)
+// Left alt key
+#define K_LEFT_ALT (0x11)
+// Space key
+#define K_SPACE (0x29)
+// Right alt key
+#define K_RIGHT_ALT (K_E0 | 0x11)
+// Right super key
+#define K_RIGHT_SUPER (K_E0 | 0x27)
+// Application key
+#define K_APP (K_E0 | 0x2F)
+// Right control key
+#define K_RIGHT_CTRL (K_E0 | 0x14)
+
+// Arrow keys and related
+
+// Insert key
+#define K_INSERT (K_E0 | 0x70)
+// Delete key
+#define K_DEL (K_E0 | 0x71)
+// Home key
+#define K_HOME (K_E0 | 0x6C)
+// End key
+#define K_END (K_E0 | 0x69)
+// Page up key
+#define K_PGUP (K_E0 | 0x7D)
+// Page down key
+#define K_PGDN (K_E0 | 0x7A)
+
+#define K_UP (K_E0 | 0x75)
+#define K_LEFT (K_E0 | 0x6B)
+#define K_DOWN (K_E0 | 0x72)
+#define K_RIGHT (K_E0 | 0x74)
+
+// Numpad
+
+#define K_NUM_LOCK (0x77)
+#define K_NUM_SLASH (K_E0 | 0x4A)
+#define K_NUM_ASTERISK (0x7C)
+#define K_NUM_MINUS (0x7B)
+#define K_NUM_PLUS (0x79)
+#define K_NUM_PERIOD (0x71)
+#define K_NUM_ENTER (K_E0 | 0x5A)
+#define K_NUM_0 (0x70)
+#define K_NUM_1 (0x69)
+#define K_NUM_2 (0x72)
+#define K_NUM_3 (0x7A)
+#define K_NUM_4 (0x6B)
+#define K_NUM_5 (0x73)
+#define K_NUM_6 (0x74)
+#define K_NUM_7 (0x6C)
+#define K_NUM_8 (0x75)
+#define K_NUM_9 (0x7D)
+
+#endif // _COMMON_KEYMAP_H

src/common/keymap.c

@@ -0,0 +1,25 @@
+#include <common/keymap.h>
+
+// https://www.win.tue.nl/~aeb/linux/kbd/scancodes-10.html#ss10.3
+static uint8_t __code lookup[256] = {
+0xff, 0x43, 0x41, 0x3f, 0x3d, 0x3b, 0x3c, 0x58, 0x64, 0x44, 0x42, 0x40, 0x3e, 0x0f, 0x29, 0x59,
+0x65, 0x38, 0x2a, 0x70, 0x1d, 0x10, 0x02, 0x5a, 0x66, 0x71, 0x2c, 0x1f, 0x1e, 0x11, 0x03, 0x5b,
+0x67, 0x2e, 0x2d, 0x20, 0x12, 0x05, 0x04, 0x5c, 0x68, 0x39, 0x2f, 0x21, 0x14, 0x13, 0x06, 0x5d,
+0x69, 0x31, 0x30, 0x23, 0x22, 0x15, 0x07, 0x5e, 0x6a, 0x72, 0x32, 0x24, 0x16, 0x08, 0x09, 0x5f,
+0x6b, 0x33, 0x25, 0x17, 0x18, 0x0b, 0x0a, 0x60, 0x6c, 0x34, 0x35, 0x26, 0x27, 0x19, 0x0c, 0x61,
+0x6d, 0x73, 0x28, 0x74, 0x1a, 0x0d, 0x62, 0x6e, 0x3a, 0x36, 0x1c, 0x1b, 0x75, 0x2b, 0x63, 0x76,
+0x55, 0x56, 0x77, 0x78, 0x79, 0x7a, 0x0e, 0x7b, 0x7c, 0x4f, 0x7d, 0x4b, 0x47, 0x7e, 0x7f, 0x6f,
+0x52, 0x53, 0x50, 0x4c, 0x4d, 0x48, 0x01, 0x45, 0x57, 0x4e, 0x51, 0x4a, 0x37, 0x49, 0x46, 0x54,
+0x80, 0x81, 0x82, 0x41, 0x54, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
+};
+
+uint16_t keymap_translate(uint16_t key) {
+    return (key & 0xFF00) | lookup[(key & 0xFF)];
+}