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-rw-r--r--quantum/process_keycode/process_steno.c136
-rw-r--r--quantum/process_keycode/process_steno.h4
2 files changed, 91 insertions, 49 deletions
diff --git a/quantum/process_keycode/process_steno.c b/quantum/process_keycode/process_steno.c
index 16bbf154f..3051fade9 100644
--- a/quantum/process_keycode/process_steno.c
+++ b/quantum/process_keycode/process_steno.c
@@ -18,6 +18,7 @@
#include "eeprom.h"
#include "keymap_steno.h"
#include "virtser.h"
+#include <string.h>
// TxBolt Codes
#define TXB_NUL 0
@@ -57,11 +58,12 @@
#define GEMINI_STATE_SIZE 6
#define MAX_STATE_SIZE GEMINI_STATE_SIZE
-uint8_t state[MAX_STATE_SIZE] = {0};
-uint8_t pressed = 0;
-steno_mode_t mode;
+static uint8_t state[MAX_STATE_SIZE] = {0};
+static uint8_t chord[MAX_STATE_SIZE] = {0};
+static int8_t pressed = 0;
+static steno_mode_t mode;
-uint8_t boltmap[64] = {
+static const uint8_t boltmap[64] PROGMEM = {
TXB_NUL, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM,
TXB_S_L, TXB_S_L, TXB_T_L, TXB_K_L, TXB_P_L, TXB_W_L, TXB_H_L,
TXB_R_L, TXB_A_L, TXB_O_L, TXB_STR, TXB_STR, TXB_NUL, TXB_NUL,
@@ -70,8 +72,17 @@ uint8_t boltmap[64] = {
TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_Z_R
};
-void steno_clear_state(void) {
- __builtin_memset(state, 0, sizeof(state));
+static void steno_clear_state(void) {
+ memset(state, 0, sizeof(state));
+ memset(chord, 0, sizeof(chord));
+}
+
+static void send_steno_state(uint8_t size, bool send_empty) {
+ for (uint8_t i = 0; i < size; ++i) {
+ if (chord[i] || send_empty) {
+ virtser_send(chord[i]);
+ }
+ }
}
void steno_init() {
@@ -87,79 +98,108 @@ void steno_set_mode(steno_mode_t new_mode) {
eeprom_update_byte(EECONFIG_STENOMODE, mode);
}
-void send_steno_state(uint8_t size, bool send_empty) {
- for (uint8_t i = 0; i < size; ++i) {
- if (state[i] || send_empty) {
- virtser_send(state[i]);
+/* override to intercept chords right before they get sent.
+ * return zero to suppress normal sending behavior.
+ */
+__attribute__ ((weak))
+bool send_steno_chord_user(steno_mode_t mode, uint8_t chord[6]) { return true; }
+
+__attribute__ ((weak))
+bool postprocess_steno_user(uint16_t keycode, keyrecord_t *record, steno_mode_t mode, uint8_t chord[6], int8_t pressed) { return true; }
+
+__attribute__ ((weak))
+bool process_steno_user(uint16_t keycode, keyrecord_t *record) { return true; }
+
+static void send_steno_chord(void) {
+ if (send_steno_chord_user(mode, chord)) {
+ switch(mode) {
+ case STENO_MODE_BOLT:
+ send_steno_state(BOLT_STATE_SIZE, false);
+ virtser_send(0); // terminating byte
+ break;
+ case STENO_MODE_GEMINI:
+ chord[0] |= 0x80; // Indicate start of packet
+ send_steno_state(GEMINI_STATE_SIZE, true);
+ break;
}
}
steno_clear_state();
}
-bool update_state_bolt(uint8_t key) {
- uint8_t boltcode = boltmap[key];
- state[TXB_GET_GROUP(boltcode)] |= boltcode;
- return false;
+uint8_t *steno_get_state(void) {
+ return &state[0];
}
-bool send_state_bolt(void) {
- send_steno_state(BOLT_STATE_SIZE, false);
- virtser_send(0); // terminating byte
- return false;
+uint8_t *steno_get_chord(void) {
+ return &chord[0];
}
-bool update_state_gemini(uint8_t key) {
- state[key / 7] |= 1 << (6 - (key % 7));
+static bool update_state_bolt(uint8_t key, bool press) {
+ uint8_t boltcode = pgm_read_byte(boltmap + key);
+ if (press) {
+ state[TXB_GET_GROUP(boltcode)] |= boltcode;
+ chord[TXB_GET_GROUP(boltcode)] |= boltcode;
+ } else {
+ state[TXB_GET_GROUP(boltcode)] &= ~boltcode;
+ }
return false;
}
-bool send_state_gemini(void) {
- state[0] |= 0x80; // Indicate start of packet
- send_steno_state(GEMINI_STATE_SIZE, true);
+static bool update_state_gemini(uint8_t key, bool press) {
+ int idx = key / 7;
+ uint8_t bit = 1 << (6 - (key % 7));
+ if (press) {
+ state[idx] |= bit;
+ chord[idx] |= bit;
+ } else {
+ state[idx] &= ~bit;
+ }
return false;
}
bool process_steno(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
case QK_STENO_BOLT:
+ if (!process_steno_user(keycode, record)) {
+ return false;
+ }
if (IS_PRESSED(record->event)) {
steno_set_mode(STENO_MODE_BOLT);
}
return false;
case QK_STENO_GEMINI:
+ if (!process_steno_user(keycode, record)) {
+ return false;
+ }
if (IS_PRESSED(record->event)) {
steno_set_mode(STENO_MODE_GEMINI);
}
return false;
case STN__MIN...STN__MAX:
- if (IS_PRESSED(record->event)) {
- uint8_t key = keycode - QK_STENO;
- ++pressed;
- switch(mode) {
- case STENO_MODE_BOLT:
- return update_state_bolt(key);
- case STENO_MODE_GEMINI:
- return update_state_gemini(key);
- default:
- return false;
- }
- } else {
- --pressed;
- if (pressed <= 0) {
- pressed = 0;
- switch(mode) {
- case STENO_MODE_BOLT:
- return send_state_bolt();
- case STENO_MODE_GEMINI:
- return send_state_gemini();
- default:
- return false;
- }
- }
+ if (!process_steno_user(keycode, record)) {
+ return false;
}
-
+ switch(mode) {
+ case STENO_MODE_BOLT:
+ update_state_bolt(keycode - QK_STENO, IS_PRESSED(record->event));
+ case STENO_MODE_GEMINI:
+ update_state_gemini(keycode - QK_STENO, IS_PRESSED(record->event));
+ }
+ // allow postprocessing hooks
+ if (postprocess_steno_user(keycode, record, mode, chord, pressed)) {
+ if (IS_PRESSED(record->event)) {
+ ++pressed;
+ } else {
+ --pressed;
+ if (pressed <= 0) {
+ pressed = 0;
+ send_steno_chord();
+ }
+ }
+ }
+ return false;
}
return true;
}
diff --git a/quantum/process_keycode/process_steno.h b/quantum/process_keycode/process_steno.h
index 3bbcbeaaf..71f973122 100644
--- a/quantum/process_keycode/process_steno.h
+++ b/quantum/process_keycode/process_steno.h
@@ -27,5 +27,7 @@ typedef enum { STENO_MODE_BOLT, STENO_MODE_GEMINI } steno_mode_t;
bool process_steno(uint16_t keycode, keyrecord_t *record);
void steno_init(void);
void steno_set_mode(steno_mode_t mode);
+uint8_t *steno_get_state(void);
+uint8_t *steno_get_chord(void);
-#endif \ No newline at end of file
+#endif