/* Copyright 2013 Jun Wako This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #pragma once #include "modifiers.h" /** \brief Action codes * * 16bit code: action_kind(4bit) + action_parameter(12bit) * * Key Actions(00xx) * ----------------- * ACT_MODS(000r): * 000r|0000|0000 0000 No action code * 000r|0000|0000 0001 Transparent code * 000r|0000| keycode Key * 000r|mods|0000 0000 Modifiers * 000r|mods| keycode Modifiers+Key(Modified key) * r: Left/Right flag(Left:0, Right:1) * * ACT_MODS_TAP(001r): * 001r|mods|0000 0000 Modifiers with OneShot * 001r|mods|0000 0001 Modifiers with tap toggle * 001r|mods|0000 00xx (reserved) * 001r|mods| keycode Modifiers with Tap Key(Dual role) * * Other Keys(01xx) * ---------------- * ACT_USAGE(0100): TODO: Not needed? * 0100|00| usage(10) System control(0x80) - General Desktop page(0x01) * 0100|01| usage(10) Consumer control(0x01) - Consumer page(0x0C) * 0100|10| usage(10) (reserved) * 0100|11| usage(10) (reserved) * * ACT_MOUSEKEY(0101): TODO: Merge these two actions to conserve space? * 0101|xxxx| keycode Mouse key * * ACT_SWAP_HANDS(0110): * 0110|xxxx| keycode Swap hands (keycode on tap, or options) * * 0111|xxxx xxxx xxxx (reserved) * * Layer Actions(10xx) * ------------------- * ACT_LAYER(1000): * 1000|oo00|pppE BBBB Default Layer Bitwise operation * oo: operation(00:AND, 01:OR, 10:XOR, 11:SET) * ppp: 4-bit chunk part(0-7) * EBBBB: bits and extra bit * 1000|ooee|pppE BBBB Layer Bitwise Operation * oo: operation(00:AND, 01:OR, 10:XOR, 11:SET) * ppp: 4-bit chunk part(0-7) * EBBBB: bits and extra bit * ee: on event(01:press, 10:release, 11:both) * * ACT_LAYER_MODS(1001): * 1001|LLLL| mods Layer with modifiers held * * ACT_LAYER_TAP(101x): * 101E|LLLL| keycode On/Off with tap key (0x00-DF)[TAP] * 101E|LLLL|1110 mods On/Off with modifiers (0xE0-EF)[NOT TAP] * 101E|LLLL|1111 0000 Invert with tap toggle (0xF0) [TAP] * 101E|LLLL|1111 0001 On/Off (0xF1) [NOT TAP] * 101E|LLLL|1111 0010 Off/On (0xF2) [NOT TAP] * 101E|LLLL|1111 0011 Set/Clear (0xF3) [NOT TAP] * 101E|LLLL|1111 0100 One Shot Layer (0xF4) [TAP] * 101E|LLLL|1111 xxxx Reserved (0xF5-FF) * ELLLL: layer 0-31(E: extra bit for layer 16-31) */ enum action_kind_id { /* Key Actions */ ACT_MODS = 0b0000, ACT_LMODS = 0b0000, ACT_RMODS = 0b0001, ACT_MODS_TAP = 0b0010, ACT_LMODS_TAP = 0b0010, ACT_RMODS_TAP = 0b0011, /* Other Keys */ ACT_USAGE = 0b0100, ACT_MOUSEKEY = 0b0101, /* One-hand Support */ ACT_SWAP_HANDS = 0b0110, /* Layer Actions */ ACT_LAYER = 0b1000, ACT_LAYER_MODS = 0b1001, ACT_LAYER_TAP = 0b1010, /* Layer 0-15 */ ACT_LAYER_TAP_EXT = 0b1011, /* Layer 16-31 */ }; /** \brief Action Code Struct * * NOTE: * In avr-gcc bit field seems to be assigned from LSB(bit0) to MSB(bit15). * AVR looks like a little endian in avr-gcc. * Not portable across compiler/endianness? * * Byte order and bit order of 0x1234: * Big endian: Little endian: * -------------------- -------------------- * FEDC BA98 7654 3210 0123 4567 89AB CDEF * 0001 0010 0011 0100 0010 1100 0100 1000 * 0x12 0x34 0x34 0x12 */ typedef union { uint16_t code; struct action_kind { uint16_t param : 12; uint8_t id : 4; } kind; struct action_key { uint8_t code : 8; uint8_t mods : 4; uint8_t kind : 4; } key; struct action_layer_bitop { uint8_t bits : 4; uint8_t xbit : 1; uint8_t part : 3; uint8_t on : 2; uint8_t op : 2; uint8_t kind : 4; } layer_bitop; struct action_layer_mods { uint8_t mods : 8; uint8_t layer : 4; uint8_t kind : 4; } layer_mods; struct action_layer_tap { uint8_t code : 8; uint8_t val : 5; uint8_t kind : 3; } layer_tap; struct action_usage { uint16_t code : 10; uint8_t page : 2; uint8_t kind : 4; } usage; struct action_swap { uint8_t code : 8; uint8_t opt : 4; uint8_t kind : 4; } swap; } action_t; /* action utility */ #define ACTION_NO 0 #define ACTION_TRANSPARENT 1 #define ACTION(kind, param) ((kind) << 12 | (param)) enum mods_codes { MODS_ONESHOT = 0x00, MODS_TAP_TOGGLE = 0x01, }; #define ACTION_KEY(key) ACTION(ACT_MODS, (key)) #define ACTION_MODS(mods) ACTION(ACT_MODS, ((mods)&0x1f) << 8 | 0) #define ACTION_MODS_KEY(mods, key) ACTION(ACT_MODS, ((mods)&0x1f) << 8 | (key)) #define ACTION_MODS_TAP_KEY(mods, key) ACTION(ACT_MODS_TAP, ((mods)&0x1f) << 8 | (key)) #define ACTION_MODS_ONESHOT(mods) ACTION(ACT_MODS_TAP, ((mods)&0x1f) << 8 | MODS_ONESHOT) #define ACTION_MODS_TAP_TOGGLE(mods) ACTION(ACT_MODS_TAP, ((mods)&0x1f) << 8 | MODS_TAP_TOGGLE) /** \brief Other Keys */ enum usage_pages { PAGE_SYSTEM, PAGE_CONSUMER, }; #define ACTION_USAGE_SYSTEM(id) ACTION(ACT_USAGE, PAGE_SYSTEM << 10 | (id)) #define ACTION_USAGE_CONSUMER(id) ACTION(ACT_USAGE, PAGE_CONSUMER << 10 | (id)) #define ACTION_MOUSEKEY(key) ACTION(ACT_MOUSEKEY, key) /** \brief Layer Actions */ enum layer_param_on { ON_PRESS = 1, ON_RELEASE = 2, ON_BOTH = 3, }; /** \brief Layer Actions */ enum layer_param_bit_op { OP_BIT_AND = 0, OP_BIT_OR = 1, OP_BIT_XOR = 2, OP_BIT_SET = 3, }; /** \brief Layer Actions */ enum layer_param_tap_op { OP_TAP_TOGGLE = 0xF0, OP_ON_OFF, OP_OFF_ON, OP_SET_CLEAR, OP_ONESHOT, }; #define ACTION_LAYER_BITOP(op, part, bits, on) ACTION(ACT_LAYER, (op) << 10 | (on) << 8 | (part) << 5 | ((bits)&0x1f)) #define ACTION_LAYER_TAP(layer, key) ACTION(ACT_LAYER_TAP, (layer) << 8 | (key)) /* Default Layer */ #define ACTION_DEFAULT_LAYER_SET(layer) ACTION_DEFAULT_LAYER_BIT_SET((layer) / 4, 1 << ((layer) % 4)) /* Layer Operation */ #define ACTION_LAYER_CLEAR(on) ACTION_LAYER_BIT_AND(0, 0, (on)) #define ACTION_LAYER_MOMENTARY(layer) ACTION_LAYER_ON_OFF(layer) #define ACTION_LAYER_TOGGLE(layer) ACTION_LAYER_INVERT(layer, ON_RELEASE) #define ACTION_LAYER_INVERT(layer, on) ACTION_LAYER_BIT_XOR((layer) / 4, 1 << ((layer) % 4), (on)) #define ACTION_LAYER_ON(layer, on) ACTION_LAYER_BIT_OR((layer) / 4, 1 << ((layer) % 4), (on)) #define ACTION_LAYER_OFF(layer, on) ACTION_LAYER_BIT_AND((layer) / 4, ~(1 << ((layer) % 4)), (on)) #define ACTION_LAYER_GOTO(layer) ACTION_LAYER_SET(layer, ON_PRESS) #define ACTION_LAYER_SET(layer, on) ACTION_LAYER_BIT_SET((layer) / 4, 1 << ((layer) % 4), (on)) #define ACTION_LAYER_ON_OFF(layer) ACTION_LAYER_TAP((layer), OP_ON_OFF) #define ACTION_LAYER_OFF_ON(layer) ACTION_LAYER_TAP((layer), OP_OFF_ON) #define ACTION_LAYER_SET_CLEAR(layer) ACTION_LAYER_TAP((layer), OP_SET_CLEAR) #define ACTION_LAYER_ONESHOT(layer) ACTION_LAYER_TAP((layer), OP_ONESHOT) #define ACTION_LAYER_MODS(layer, mods) ACTION(ACT_LAYER_MODS, (layer) << 8 | (mods)) /* With Tapping */ #define ACTION_LAYER_TAP_KEY(layer, key) ACTION_LAYER_TAP((layer), (key)) #define ACTION_LAYER_TAP_TOGGLE(layer) ACTION_LAYER_TAP((layer), OP_TAP_TOGGLE) /* Bitwise Operation */ #define ACTION_LAYER_BIT_AND(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_AND, (part), (bits), (on)) #define ACTION_LAYER_BIT_OR(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_OR, (part), (bits), (on)) #define ACTION_LAYER_BIT_XOR(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_XOR, (part), (bits), (on)) #define ACTION_LAYER_BIT_SET(part, bits, on) ACTION_LAYER_BITOP(OP_BIT_SET, (part), (bits), (on)) /* Default Layer Bitwise Operation */ #define ACTION_DEFAULT_LAYER_BIT_AND(part, bits) ACTION_LAYER_BITOP(OP_BIT_AND, (part), (bits), 0) #define ACTION_DEFAULT_LAYER_BIT_OR(part, bits) ACTION_LAYER_BITOP(OP_BIT_OR, (part), (bits), 0) #define ACTION_DEFAULT_LAYER_BIT_XOR(part, bits) ACTION_LAYER_BITOP(OP_BIT_XOR, (part), (bits), 0) #define ACTION_DEFAULT_LAYER_BIT_SET(part, bits) ACTION_LAYER_BITOP(OP_BIT_SET, (part), (bits), 0) /* OneHand Support */ enum swap_hands_param_tap_op { OP_SH_TOGGLE = 0xF0, OP_SH_TAP_TOGGLE, OP_SH_ON_OFF, OP_SH_OFF_ON, OP_SH_OFF, OP_SH_ON, OP_SH_ONESHOT, }; #define ACTION_SWAP_HANDS() ACTION_SWAP_HANDS_ON_OFF() #define ACTION_SWAP_HANDS_TOGGLE() ACTION(ACT_SWAP_HANDS, OP_SH_TOGGLE) #define ACTION_SWAP_HANDS_TAP_TOGGLE() ACTION(ACT_SWAP_HANDS, OP_SH_TAP_TOGGLE) #define ACTION_SWAP_HANDS_ONESHOT() ACTION(ACT_SWAP_HANDS, OP_SH_ONESHOT) #define ACTION_SWAP_HANDS_TAP_KEY(key) ACTION(ACT_SWAP_HANDS, key) #define ACTION_SWAP_HANDS_ON_OFF() ACTION(ACT_SWAP_HANDS, OP_SH_ON_OFF) #define ACTION_SWAP_HANDS_OFF_ON() ACTION(ACT_SWAP_HANDS, OP_SH_OFF_ON) #define ACTION_SWAP_HANDS_ON() ACTION(ACT_SWAP_HANDS, OP_SH_ON) #define ACTION_SWAP_HANDS_OFF() ACTION(ACT_SWAP_HANDS, OP_SH_OFF)