forked from forks/qmk_firmware
419 lines
10 KiB
C
419 lines
10 KiB
C
#include "sten.h"
|
|
|
|
// Chord state
|
|
uint32_t cChord = 0; // Current Chord
|
|
int chordIndex = 0; // Keys in previousachord
|
|
int32_t chordState[32]; // Full Chord history
|
|
#define QWERBUF 24 // Size of chords to buffer for output
|
|
|
|
bool repeatFlag = false; // Should we repeat?
|
|
uint32_t pChord = 0; // Previous Chord
|
|
int pChordIndex = 0; // Keys in previousachord
|
|
uint32_t pChordState[32]; // Previous chord sate
|
|
uint32_t stickyBits = 0; // Or'd with every incoming press
|
|
#ifndef NO_DEBUG
|
|
char debugMsg[32];
|
|
#endif
|
|
|
|
// StenoLayer
|
|
uint32_t releasedChord = 0; // Keys released from current chord
|
|
uint32_t tChord = 0; // Protects state of cChord
|
|
|
|
#ifndef STENOLAYERS
|
|
uint32_t stenoLayers[] = { PWR };
|
|
size_t stenoLayerCount = sizeof(stenoLayers)/sizeof(stenoLayers[0]);
|
|
#endif
|
|
|
|
// Mode state
|
|
enum MODE { STENO = 0, QWERTY, COMMAND };
|
|
enum MODE pMode;
|
|
bool QWERSTENO = false;
|
|
#ifdef ONLYQWERTY
|
|
enum MODE cMode = QWERTY;
|
|
#else
|
|
enum MODE cMode = STENO;
|
|
#endif
|
|
|
|
// Command State
|
|
#define MAX_CMD_BUF 20
|
|
uint8_t CMDLEN = 0;
|
|
uint8_t CMDBUF[MAX_CMD_BUF];
|
|
|
|
// Key Repeat state
|
|
bool inChord = false;
|
|
bool repEngaged = false;
|
|
uint16_t repTimer = 0;
|
|
#define REP_INIT_DELAY 750
|
|
#define REP_DELAY 25
|
|
|
|
// Mousekeys state
|
|
bool inMouse = false;
|
|
int8_t mousePress;
|
|
|
|
// All processing done at chordUp goes through here
|
|
bool send_steno_chord_user(steno_mode_t mode, uint8_t chord[6]) {
|
|
// Check for mousekeys, this is release
|
|
#ifdef MOUSEKEY_ENABLE
|
|
if (inMouse) {
|
|
inMouse = false;
|
|
mousekey_off(mousePress);
|
|
mousekey_send();
|
|
}
|
|
#endif
|
|
|
|
// Toggle Serial/QWERTY steno
|
|
if (cChord == (PWR | FN | ST1 | ST2)) {
|
|
#ifndef NO_DEBUG
|
|
uprintf("Fallback Toggle\n");
|
|
#endif
|
|
QWERSTENO = !QWERSTENO;
|
|
|
|
goto out;
|
|
}
|
|
|
|
// handle command mode
|
|
if (cChord == (PWR | FN | RD | RZ)) {
|
|
#ifndef NO_DEBUG
|
|
uprintf("COMMAND Toggle\n");
|
|
#endif
|
|
if (cMode != COMMAND) { // Entering Command Mode
|
|
CMDLEN = 0;
|
|
pMode = cMode;
|
|
cMode = COMMAND;
|
|
} else { // Exiting Command Mode
|
|
cMode = pMode;
|
|
|
|
// Press all and release all
|
|
for (int i = 0; i < CMDLEN; i++) {
|
|
register_code(CMDBUF[i]);
|
|
}
|
|
clear_keyboard();
|
|
}
|
|
|
|
goto out;
|
|
}
|
|
|
|
// Handle Gaming Toggle,
|
|
if (cChord == (PWR | FN | ST4 | ST3) && keymapsCount > 1) {
|
|
#ifndef NO_DEBUG
|
|
uprintf("Switching to QMK\n");
|
|
#endif
|
|
layer_on(1);
|
|
goto out;
|
|
}
|
|
|
|
// Lone FN press, toggle QWERTY
|
|
#ifndef ONLYQWERTY
|
|
if (cChord == FN) {
|
|
(cMode == STENO) ? (cMode = QWERTY) : (cMode = STENO);
|
|
goto out;
|
|
}
|
|
#endif
|
|
|
|
// Check for Plover momentary
|
|
if (cMode == QWERTY && (cChord & FN)) {
|
|
cChord ^= FN;
|
|
goto steno;
|
|
}
|
|
|
|
// Do QWERTY and Momentary QWERTY
|
|
if (cMode == QWERTY || (cMode == COMMAND) || (cChord & (FN | PWR))) {
|
|
processChord(false);
|
|
goto out;
|
|
}
|
|
|
|
// Fallback NKRO Steno
|
|
if (cMode == STENO && QWERSTENO) {
|
|
processChord(true);
|
|
goto out;
|
|
}
|
|
|
|
steno:
|
|
// Hey that's a steno chord!
|
|
inChord = false;
|
|
chordIndex = 0;
|
|
cChord = 0;
|
|
return true;
|
|
|
|
out:
|
|
cChord = 0;
|
|
inChord = false;
|
|
chordIndex = 0;
|
|
clear_keyboard();
|
|
repEngaged = false;
|
|
for (int i = 0; i < 32; i++)
|
|
chordState[i] = 0xFFFF;
|
|
|
|
return false;
|
|
}
|
|
|
|
// Update Chord State
|
|
bool process_steno_user(uint16_t keycode, keyrecord_t *record) {
|
|
// Everything happens in here when steno keys come in.
|
|
// Bail on keyup
|
|
if (!record->event.pressed) return true;
|
|
|
|
// Update key repeat timers
|
|
repTimer = timer_read();
|
|
inChord = true;
|
|
|
|
// Switch on the press adding to chord
|
|
bool pr = record->event.pressed;
|
|
switch (keycode) {
|
|
// Mods and stuff
|
|
case STN_ST1: pr ? (cChord |= (ST1)): (cChord &= ~(ST1)); break;
|
|
case STN_ST2: pr ? (cChord |= (ST2)): (cChord &= ~(ST2)); break;
|
|
case STN_ST3: pr ? (cChord |= (ST3)): (cChord &= ~(ST3)); break;
|
|
case STN_ST4: pr ? (cChord |= (ST4)): (cChord &= ~(ST4)); break;
|
|
case STN_FN: pr ? (cChord |= (FN)) : (cChord &= ~(FN)); break;
|
|
case STN_PWR: pr ? (cChord |= (PWR)): (cChord &= ~(PWR)); break;
|
|
case STN_N1...STN_N6: pr ? (cChord |= (LNO)): (cChord &= ~(LNO)); break;
|
|
case STN_N7...STN_NC: pr ? (cChord |= (RNO)): (cChord &= ~(RNO)); break;
|
|
|
|
// All the letter keys
|
|
case STN_S1: pr ? (cChord |= (LSU)) : (cChord &= ~(LSU)); break;
|
|
case STN_S2: pr ? (cChord |= (LSD)) : (cChord &= ~(LSD)); break;
|
|
case STN_TL: pr ? (cChord |= (LFT)) : (cChord &= ~(LFT)); break;
|
|
case STN_KL: pr ? (cChord |= (LK)) : (cChord &= ~(LK)); break;
|
|
case STN_PL: pr ? (cChord |= (LP)) : (cChord &= ~(LP)); break;
|
|
case STN_WL: pr ? (cChord |= (LW)) : (cChord &= ~(LW)); break;
|
|
case STN_HL: pr ? (cChord |= (LH)) : (cChord &= ~(LH)); break;
|
|
case STN_RL: pr ? (cChord |= (LR)) : (cChord &= ~(LR)); break;
|
|
case STN_A: pr ? (cChord |= (LA)) : (cChord &= ~(LA)); break;
|
|
case STN_O: pr ? (cChord |= (LO)) : (cChord &= ~(LO)); break;
|
|
case STN_E: pr ? (cChord |= (RE)) : (cChord &= ~(RE)); break;
|
|
case STN_U: pr ? (cChord |= (RU)) : (cChord &= ~(RU)); break;
|
|
case STN_FR: pr ? (cChord |= (RF)) : (cChord &= ~(RF)); break;
|
|
case STN_RR: pr ? (cChord |= (RR)) : (cChord &= ~(RR)); break;
|
|
case STN_PR: pr ? (cChord |= (RP)) : (cChord &= ~(RP)); break;
|
|
case STN_BR: pr ? (cChord |= (RB)) : (cChord &= ~(RB)); break;
|
|
case STN_LR: pr ? (cChord |= (RL)) : (cChord &= ~(RL)); break;
|
|
case STN_GR: pr ? (cChord |= (RG)) : (cChord &= ~(RG)); break;
|
|
case STN_TR: pr ? (cChord |= (RT)) : (cChord &= ~(RT)); break;
|
|
case STN_SR: pr ? (cChord |= (RS)) : (cChord &= ~(RS)); break;
|
|
case STN_DR: pr ? (cChord |= (RD)) : (cChord &= ~(RD)); break;
|
|
case STN_ZR: pr ? (cChord |= (RZ)) : (cChord &= ~(RZ)); break;
|
|
}
|
|
|
|
// Store previous state for fastQWER
|
|
if (pr) {
|
|
chordState[chordIndex] = cChord;
|
|
chordIndex++;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
void matrix_scan_user(void) {
|
|
// We abuse this for early sending of key
|
|
// Key repeat only on QWER/SYMB layers
|
|
if (cMode != QWERTY || !inChord) return;
|
|
|
|
// Check timers
|
|
#ifndef NO_REPEAT
|
|
if (repEngaged && timer_elapsed(repTimer) > REP_DELAY) {
|
|
// Process Key for report
|
|
processChord(false);
|
|
|
|
// Send report to host
|
|
send_keyboard_report();
|
|
clear_keyboard();
|
|
repTimer = timer_read();
|
|
}
|
|
|
|
if (!repEngaged && timer_elapsed(repTimer) > REP_INIT_DELAY) {
|
|
repEngaged = true;
|
|
}
|
|
#endif
|
|
};
|
|
|
|
// For Plover NKRO
|
|
uint32_t processFakeSteno(bool lookup) {
|
|
P( LSU, SEND(KC_Q););
|
|
P( LSD, SEND(KC_A););
|
|
P( LFT, SEND(KC_W););
|
|
P( LP, SEND(KC_E););
|
|
P( LH, SEND(KC_R););
|
|
P( LK, SEND(KC_S););
|
|
P( LW, SEND(KC_D););
|
|
P( LR, SEND(KC_F););
|
|
P( ST1, SEND(KC_T););
|
|
P( ST2, SEND(KC_G););
|
|
P( LA, SEND(KC_C););
|
|
P( LO, SEND(KC_V););
|
|
P( RE, SEND(KC_N););
|
|
P( RU, SEND(KC_M););
|
|
P( ST3, SEND(KC_Y););
|
|
P( ST4, SEND(KC_H););
|
|
P( RF, SEND(KC_U););
|
|
P( RP, SEND(KC_I););
|
|
P( RL, SEND(KC_O););
|
|
P( RT, SEND(KC_P););
|
|
P( RD, SEND(KC_LBRC););
|
|
P( RR, SEND(KC_J););
|
|
P( RB, SEND(KC_K););
|
|
P( RG, SEND(KC_L););
|
|
P( RS, SEND(KC_SCLN););
|
|
P( RZ, SEND(KC_COMM););
|
|
P( LNO, SEND(KC_1););
|
|
P( RNO, SEND(KC_1););
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Traverse the chord history to a given point
|
|
// Returns the mask to use
|
|
void processChord(bool useFakeSteno) {
|
|
// Save the clean chord state
|
|
uint32_t savedChord = cChord;
|
|
|
|
// Apply Stick Bits if needed
|
|
if (stickyBits != 0) {
|
|
cChord |= stickyBits;
|
|
for (int i = 0; i <= chordIndex; i++)
|
|
chordState[i] |= stickyBits;
|
|
}
|
|
|
|
// Strip FN
|
|
if (cChord & FN) cChord ^= FN;
|
|
|
|
// First we test if a whole chord was passsed
|
|
// If so we just run it handling repeat logic
|
|
if (useFakeSteno && processFakeSteno(true) == cChord) {
|
|
processFakeSteno(false);
|
|
return;
|
|
} else if (processQwerty(true) == cChord) {
|
|
processQwerty(false);
|
|
// Repeat logic
|
|
if (repeatFlag) {
|
|
restoreState();
|
|
repeatFlag = false;
|
|
processChord(false);
|
|
} else {
|
|
saveState(cChord);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Iterate through chord picking out the individual
|
|
// and longest chords
|
|
uint32_t bufChords[QWERBUF];
|
|
int bufLen = 0;
|
|
uint32_t mask = 0;
|
|
|
|
// We iterate over it multiple times to catch the longest
|
|
// chord. Then that gets addded to the mask and re run.
|
|
while (savedChord != mask) {
|
|
uint32_t test = 0;
|
|
uint32_t longestChord = 0;
|
|
|
|
for (int i = 0; i <= chordIndex; i++) {
|
|
cChord = chordState[i] & ~mask;
|
|
if (cChord == 0)
|
|
continue;
|
|
|
|
// Assume mid parse Sym is new chord
|
|
if (i != 0 && test != 0 && (cChord ^ test) == PWR) {
|
|
longestChord = test;
|
|
break;
|
|
}
|
|
|
|
// Lock SYM layer in once detected
|
|
if (mask & PWR)
|
|
cChord |= PWR;
|
|
|
|
|
|
// Testing for keycodes
|
|
if (useFakeSteno) {
|
|
test = processFakeSteno(true);
|
|
} else {
|
|
test = processQwerty(true);
|
|
}
|
|
|
|
if (test != 0) {
|
|
longestChord = test;
|
|
}
|
|
}
|
|
|
|
mask |= longestChord;
|
|
bufChords[bufLen] = longestChord;
|
|
bufLen++;
|
|
|
|
// That's a loop of sorts, halt processing
|
|
if (bufLen >= QWERBUF) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Now that the buffer is populated, we run it
|
|
for (int i = 0; i < bufLen ; i++) {
|
|
cChord = bufChords[i];
|
|
if (useFakeSteno) {
|
|
processFakeSteno(false);
|
|
} else {
|
|
processQwerty(false);
|
|
}
|
|
}
|
|
|
|
// Save state in case of repeat
|
|
if (!repeatFlag) {
|
|
saveState(savedChord);
|
|
}
|
|
|
|
// Restore cChord for held repeat
|
|
cChord = savedChord;
|
|
|
|
return;
|
|
}
|
|
void saveState(uint32_t cleanChord) {
|
|
pChord = cleanChord;
|
|
pChordIndex = chordIndex;
|
|
for (int i = 0; i < 32; i++)
|
|
pChordState[i] = chordState[i];
|
|
}
|
|
void restoreState() {
|
|
cChord = pChord;
|
|
chordIndex = pChordIndex;
|
|
for (int i = 0; i < 32; i++)
|
|
chordState[i] = pChordState[i];
|
|
}
|
|
|
|
// Macros for calling from keymap.c
|
|
void SEND(uint8_t kc) {
|
|
// Send Keycode, Does not work for Quantum Codes
|
|
if (cMode == COMMAND && CMDLEN < MAX_CMD_BUF) {
|
|
#ifndef NO_DEBUG
|
|
uprintf("CMD LEN: %d BUF: %d\n", CMDLEN, MAX_CMD_BUF);
|
|
#endif
|
|
CMDBUF[CMDLEN] = kc;
|
|
CMDLEN++;
|
|
}
|
|
|
|
if (cMode != COMMAND) register_code(kc);
|
|
return;
|
|
}
|
|
void REPEAT(void) {
|
|
if (cMode != QWERTY)
|
|
return;
|
|
|
|
repeatFlag = true;
|
|
return;
|
|
}
|
|
void SET_STICKY(uint32_t stick) {
|
|
stickyBits = stick;
|
|
return;
|
|
}
|
|
void SWITCH_LAYER(int layer) {
|
|
if (keymapsCount >= layer)
|
|
layer_on(layer);
|
|
}
|
|
void CLICK_MOUSE(uint8_t kc) {
|
|
#ifdef MOUSEKEY_ENABLE
|
|
mousekey_on(kc);
|
|
mousekey_send();
|
|
|
|
// Store state for later use
|
|
inMouse = true;
|
|
mousePress = kc;
|
|
#endif
|
|
}
|