6 files changed, 543 insertions, 2 deletions

diff --git a/quantum/haptic.c b/quantum/haptic.c
new file mode 100644
index 000000000..65abcc15f
--- /dev/null
+++ b/quantum/haptic.c
@@ -0,0 +1,295 @@
+/* Copyright 2019 ishtob
+ * Driver for haptic feedback written for QMK
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+#include "haptic.h"
+#include "eeconfig.h"
+#include "debug.h"
+#ifdef DRV2605L
+#    include "DRV2605L.h"
+#endif
+#ifdef SOLENOID_ENABLE
+#    include "solenoid.h"
+#endif
+
+haptic_config_t haptic_config;
+
+void haptic_init(void) {
+    if (!eeconfig_is_enabled()) {
+        eeconfig_init();
+    }
+    haptic_config.raw = eeconfig_read_haptic();
+#ifdef SOLENOID_ENABLE
+    solenoid_set_dwell(haptic_config.dwell);
+#endif
+    if ((haptic_config.raw == 0)
+#ifdef SOLENOID_ENABLE
+        || (haptic_config.dwell == 0)
+#endif
+    ) {
+        // this will be called, if the eeprom is not corrupt,
+        // but the previous firmware didn't have haptic enabled,
+        // or the previous firmware didn't have solenoid enabled,
+        // and the current one has solenoid enabled.
+        haptic_reset();
+    }
+#ifdef SOLENOID_ENABLE
+    solenoid_setup();
+    dprintf("Solenoid driver initialized\n");
+#endif
+#ifdef DRV2605L
+    DRV_init();
+    dprintf("DRV2605 driver initialized\n");
+#endif
+    eeconfig_debug_haptic();
+}
+
+void haptic_task(void) {
+#ifdef SOLENOID_ENABLE
+    solenoid_check();
+#endif
+}
+
+void eeconfig_debug_haptic(void) {
+    dprintf("haptic_config eeprom\n");
+    dprintf("haptic_config.enable = %d\n", haptic_config.enable);
+    dprintf("haptic_config.mode = %d\n", haptic_config.mode);
+}
+
+void haptic_enable(void) {
+    haptic_config.enable = 1;
+    xprintf("haptic_config.enable = %u\n", haptic_config.enable);
+    eeconfig_update_haptic(haptic_config.raw);
+}
+
+void haptic_disable(void) {
+    haptic_config.enable = 0;
+    xprintf("haptic_config.enable = %u\n", haptic_config.enable);
+    eeconfig_update_haptic(haptic_config.raw);
+}
+
+void haptic_toggle(void) {
+    if (haptic_config.enable) {
+        haptic_disable();
+    } else {
+        haptic_enable();
+    }
+    eeconfig_update_haptic(haptic_config.raw);
+}
+
+void haptic_feedback_toggle(void) {
+    haptic_config.feedback++;
+    if (haptic_config.feedback >= HAPTIC_FEEDBACK_MAX) haptic_config.feedback = KEY_PRESS;
+    xprintf("haptic_config.feedback = %u\n", !haptic_config.feedback);
+    eeconfig_update_haptic(haptic_config.raw);
+}
+
+void haptic_buzz_toggle(void) {
+    bool buzz_stat     = !haptic_config.buzz;
+    haptic_config.buzz = buzz_stat;
+    haptic_set_buzz(buzz_stat);
+}
+
+void haptic_mode_increase(void) {
+    uint8_t mode = haptic_config.mode + 1;
+#ifdef DRV2605L
+    if (haptic_config.mode >= drv_effect_max) {
+        mode = 1;
+    }
+#endif
+    haptic_set_mode(mode);
+}
+
+void haptic_mode_decrease(void) {
+    uint8_t mode = haptic_config.mode - 1;
+#ifdef DRV2605L
+    if (haptic_config.mode < 1) {
+        mode = (drv_effect_max - 1);
+    }
+#endif
+    haptic_set_mode(mode);
+}
+
+void haptic_dwell_increase(void) {
+#ifdef SOLENOID_ENABLE
+    int16_t next_dwell = ((int16_t)haptic_config.dwell) + SOLENOID_DWELL_STEP_SIZE;
+    if (haptic_config.dwell >= SOLENOID_MAX_DWELL) {
+        // if it's already at max, we wrap back to min
+        next_dwell = SOLENOID_MIN_DWELL;
+    } else if (next_dwell > SOLENOID_MAX_DWELL) {
+        // if we overshoot the max, then cap at max
+        next_dwell = SOLENOID_MAX_DWELL;
+    }
+    solenoid_set_dwell(next_dwell);
+#else
+    int16_t next_dwell = ((int16_t)haptic_config.dwell) + 1;
+#endif
+    haptic_set_dwell(next_dwell);
+}
+
+void haptic_dwell_decrease(void) {
+#ifdef SOLENOID_ENABLE
+    int16_t next_dwell = ((int16_t)haptic_config.dwell) - SOLENOID_DWELL_STEP_SIZE;
+    if (haptic_config.dwell <= SOLENOID_MIN_DWELL) {
+        // if it's already at min, we wrap to max
+        next_dwell = SOLENOID_MAX_DWELL;
+    } else if (next_dwell < SOLENOID_MIN_DWELL) {
+        // if we go below min, then we cap to min
+        next_dwell = SOLENOID_MIN_DWELL;
+    }
+    solenoid_set_dwell(next_dwell);
+#else
+    int16_t next_dwell = ((int16_t)haptic_config.dwell) - 1;
+#endif
+    haptic_set_dwell(next_dwell);
+}
+
+void haptic_reset(void) {
+    haptic_config.enable   = true;
+    uint8_t feedback       = HAPTIC_FEEDBACK_DEFAULT;
+    haptic_config.feedback = feedback;
+#ifdef DRV2605L
+    uint8_t mode       = HAPTIC_MODE_DEFAULT;
+    haptic_config.mode = mode;
+#endif
+#ifdef SOLENOID_ENABLE
+    uint8_t dwell       = SOLENOID_DEFAULT_DWELL;
+    haptic_config.dwell = dwell;
+    haptic_config.buzz  = SOLENOID_DEFAULT_BUZZ;
+    solenoid_set_dwell(dwell);
+#else
+    // This is to trigger haptic_reset again, if solenoid is enabled in the future.
+    haptic_config.dwell = 0;
+    haptic_config.buzz  = 0;
+#endif
+    eeconfig_update_haptic(haptic_config.raw);
+    xprintf("haptic_config.feedback = %u\n", haptic_config.feedback);
+    xprintf("haptic_config.mode = %u\n", haptic_config.mode);
+}
+
+void haptic_set_feedback(uint8_t feedback) {
+    haptic_config.feedback = feedback;
+    eeconfig_update_haptic(haptic_config.raw);
+    xprintf("haptic_config.feedback = %u\n", haptic_config.feedback);
+}
+
+void haptic_set_mode(uint8_t mode) {
+    haptic_config.mode = mode;
+    eeconfig_update_haptic(haptic_config.raw);
+    xprintf("haptic_config.mode = %u\n", haptic_config.mode);
+}
+
+void haptic_set_amplitude(uint8_t amp) {
+    haptic_config.amplitude = amp;
+    eeconfig_update_haptic(haptic_config.raw);
+    xprintf("haptic_config.amplitude = %u\n", haptic_config.amplitude);
+#ifdef DRV2605L
+    DRV_amplitude(amp);
+#endif
+}
+
+void haptic_set_buzz(uint8_t buzz) {
+    haptic_config.buzz = buzz;
+    eeconfig_update_haptic(haptic_config.raw);
+    xprintf("haptic_config.buzz = %u\n", haptic_config.buzz);
+}
+
+void haptic_set_dwell(uint8_t dwell) {
+    haptic_config.dwell = dwell;
+    eeconfig_update_haptic(haptic_config.raw);
+    xprintf("haptic_config.dwell = %u\n", haptic_config.dwell);
+}
+
+uint8_t haptic_get_enable(void) { return haptic_config.enable; }
+
+uint8_t haptic_get_mode(void) {
+    if (!haptic_config.enable) {
+        return false;
+    }
+    return haptic_config.mode;
+}
+
+uint8_t haptic_get_feedback(void) {
+    if (!haptic_config.enable) {
+        return false;
+    }
+    return haptic_config.feedback;
+}
+
+uint8_t haptic_get_dwell(void) {
+    if (!haptic_config.enable) {
+        return false;
+    }
+    return haptic_config.dwell;
+}
+
+void haptic_enable_continuous(void) {
+    haptic_config.cont = 1;
+    xprintf("haptic_config.cont = %u\n", haptic_config.cont);
+    eeconfig_update_haptic(haptic_config.raw);
+#ifdef DRV2605L
+    DRV_rtp_init();
+#endif
+}
+
+void haptic_disable_continuous(void) {
+    haptic_config.cont = 0;
+    xprintf("haptic_config.cont = %u\n", haptic_config.cont);
+    eeconfig_update_haptic(haptic_config.raw);
+#ifdef DRV2605L
+    DRV_write(DRV_MODE, 0x00);
+#endif
+}
+
+void haptic_toggle_continuous(void) {
+    if (haptic_config.cont) {
+        haptic_disable_continuous();
+    } else {
+        haptic_enable_continuous();
+    }
+}
+
+void haptic_cont_increase(void) {
+    uint8_t amp = haptic_config.amplitude + 10;
+    if (haptic_config.amplitude >= 120) {
+        amp = 120;
+    }
+    haptic_set_amplitude(amp);
+}
+
+void haptic_cont_decrease(void) {
+    uint8_t amp = haptic_config.amplitude - 10;
+    if (haptic_config.amplitude < 20) {
+        amp = 20;
+    }
+    haptic_set_amplitude(amp);
+}
+
+void haptic_play(void) {
+#ifdef DRV2605L
+    uint8_t play_eff = 0;
+    play_eff         = haptic_config.mode;
+    DRV_pulse(play_eff);
+#endif
+#ifdef SOLENOID_ENABLE
+    solenoid_fire();
+#endif
+}
+
+void haptic_shutdown(void) {
+#ifdef SOLENOID_ENABLE
+    solenoid_shutdown();
+#endif
+}
diff --git a/quantum/haptic.h b/quantum/haptic.h
new file mode 100644
index 000000000..fc7ca2f3e
--- /dev/null
+++ b/quantum/haptic.h
@@ -0,0 +1,77 @@
+/* Copyright 2019 ishtob
+ * Driver for haptic feedback written for QMK
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifndef HAPTIC_FEEDBACK_DEFAULT
+#    define HAPTIC_FEEDBACK_DEFAULT 0
+#endif
+#ifndef HAPTIC_MODE_DEFAULT
+#    define HAPTIC_MODE_DEFAULT DRV_MODE_DEFAULT
+#endif
+
+/* EEPROM config settings */
+typedef union {
+    uint32_t raw;
+    struct {
+        bool    enable : 1;
+        uint8_t feedback : 2;
+        uint8_t mode : 7;
+        bool    buzz : 1;
+        uint8_t dwell : 7;
+        bool    cont : 1;
+        uint8_t amplitude : 8;
+        uint8_t reserved : 5;
+    };
+} haptic_config_t;
+
+typedef enum HAPTIC_FEEDBACK {
+    KEY_PRESS,
+    KEY_PRESS_RELEASE,
+    KEY_RELEASE,
+    HAPTIC_FEEDBACK_MAX,
+} HAPTIC_FEEDBACK;
+
+void    haptic_init(void);
+void    haptic_task(void);
+void    eeconfig_debug_haptic(void);
+void    haptic_enable(void);
+void    haptic_disable(void);
+void    haptic_toggle(void);
+void    haptic_feedback_toggle(void);
+void    haptic_mode_increase(void);
+void    haptic_mode_decrease(void);
+void    haptic_mode(uint8_t mode);
+void    haptic_reset(void);
+void    haptic_set_feedback(uint8_t feedback);
+void    haptic_set_mode(uint8_t mode);
+void    haptic_set_dwell(uint8_t dwell);
+void    haptic_set_buzz(uint8_t buzz);
+void    haptic_buzz_toggle(void);
+uint8_t haptic_get_enable(void);
+uint8_t haptic_get_mode(void);
+uint8_t haptic_get_feedback(void);
+void    haptic_dwell_increase(void);
+void    haptic_dwell_decrease(void);
+void    haptic_toggle_continuous(void);
+void    haptic_cont_increase(void);
+void    haptic_cont_decrease(void);
+
+void haptic_play(void);
+void haptic_shutdown(void);
diff --git a/quantum/process_keycode/process_haptic.c b/quantum/process_keycode/process_haptic.c
new file mode 100644
index 000000000..29a4ffd10
--- /dev/null
+++ b/quantum/process_keycode/process_haptic.c
@@ -0,0 +1,147 @@
+/* Copyright 2021 QMK
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+#include "haptic.h"
+#include "process_haptic.h"
+#include "quantum_keycodes.h"
+
+__attribute__((weak)) bool get_haptic_enabled_key(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+#ifdef NO_HAPTIC_MOD
+        case QK_MOD_TAP ... QK_MOD_TAP_MAX:
+            if (record->tap.count == 0) return false;
+            break;
+        case QK_LAYER_TAP_TOGGLE ... QK_LAYER_TAP_TOGGLE_MAX:
+            if (record->tap.count != TAPPING_TOGGLE) return false;
+            break;
+        case QK_LAYER_TAP ... QK_LAYER_TAP_MAX:
+            if (record->tap.count == 0) return false;
+            break;
+        case KC_LCTRL ... KC_RGUI:
+        case QK_MOMENTARY ... QK_MOMENTARY_MAX:
+#endif
+#ifdef NO_HAPTIC_FN
+        case KC_FN0 ... KC_FN31:
+#endif
+#ifdef NO_HAPTIC_ALPHA
+        case KC_A ... KC_Z:
+#endif
+#ifdef NO_HAPTIC_PUNCTUATION
+        case KC_ENTER:
+        case KC_ESCAPE:
+        case KC_BSPACE:
+        case KC_SPACE:
+        case KC_MINUS:
+        case KC_EQUAL:
+        case KC_LBRACKET:
+        case KC_RBRACKET:
+        case KC_BSLASH:
+        case KC_NONUS_HASH:
+        case KC_SCOLON:
+        case KC_QUOTE:
+        case KC_GRAVE:
+        case KC_COMMA:
+        case KC_SLASH:
+        case KC_DOT:
+        case KC_NONUS_BSLASH:
+#endif
+#ifdef NO_HAPTIC_LOCKKEYS
+        case KC_CAPSLOCK:
+        case KC_SCROLLLOCK:
+        case KC_NUMLOCK:
+#endif
+#ifdef NO_HAPTIC_NAV
+        case KC_PSCREEN:
+        case KC_PAUSE:
+        case KC_INSERT:
+        case KC_DELETE:
+        case KC_PGDOWN:
+        case KC_PGUP:
+        case KC_LEFT:
+        case KC_UP:
+        case KC_RIGHT:
+        case KC_DOWN:
+        case KC_END:
+        case KC_HOME:
+#endif
+#ifdef NO_HAPTIC_NUMERIC
+        case KC_1 ... KC_0:
+#endif
+            return false;
+    }
+    return true;
+}
+
+bool process_haptic(uint16_t keycode, keyrecord_t *record) {
+    if (record->event.pressed) {
+        switch (keycode) {
+            case HPT_ON:
+                haptic_enable();
+                break;
+            case HPT_OFF:
+                haptic_disable();
+                break;
+            case HPT_TOG:
+                haptic_toggle();
+                break;
+            case HPT_RST:
+                haptic_reset();
+                break;
+            case HPT_FBK:
+                haptic_feedback_toggle();
+                break;
+            case HPT_BUZ:
+                haptic_buzz_toggle();
+                break;
+            case HPT_MODI:
+                haptic_mode_increase();
+                break;
+            case HPT_MODD:
+                haptic_mode_decrease();
+                break;
+            case HPT_DWLI:
+                haptic_dwell_increase();
+                break;
+            case HPT_DWLD:
+                haptic_dwell_decrease();
+                break;
+            case HPT_CONT:
+                haptic_toggle_continuous();
+                break;
+            case HPT_CONI:
+                haptic_cont_increase();
+                break;
+            case HPT_COND:
+                haptic_cont_decrease();
+                break;
+        }
+    }
+
+    if (haptic_get_enable()) {
+        if (record->event.pressed) {
+            // keypress
+            if (haptic_get_feedback() < 2 && get_haptic_enabled_key(keycode, record)) {
+                haptic_play();
+            }
+        } else {
+            // keyrelease
+            if (haptic_get_feedback() > 0 && get_haptic_enabled_key(keycode, record)) {
+                haptic_play();
+            }
+        }
+    }
+
+    return true;
+}
diff --git a/quantum/process_keycode/process_haptic.h b/quantum/process_keycode/process_haptic.h
new file mode 100644
index 000000000..6dbb0f014
--- /dev/null
+++ b/quantum/process_keycode/process_haptic.h
@@ -0,0 +1,21 @@
+/* Copyright 2021 QMK
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <stdbool.h>
+#include "action.h"
+
+bool process_haptic(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/quantum.c b/quantum/quantum.c
index 56ceec5db..f430a521b 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -220,10 +220,10 @@ bool process_record_quantum(keyrecord_t *record) {
 #endif
 #if defined(AUDIO_ENABLE) && defined(AUDIO_CLICKY)
             process_clicky(keycode, record) &&
-#endif  // AUDIO_CLICKY
+#endif
 #ifdef HAPTIC_ENABLE
             process_haptic(keycode, record) &&
-#endif  // HAPTIC_ENABLE
+#endif
 #if defined(VIA_ENABLE)
             process_record_via(keycode, record) &&
 #endif
diff --git a/quantum/quantum.h b/quantum/quantum.h
index 756a5603c..72970a649 100644
--- a/quantum/quantum.h
+++ b/quantum/quantum.h
@@ -161,6 +161,7 @@ extern layer_state_t layer_state;
 
 #ifdef HAPTIC_ENABLE
 #    include "haptic.h"
+#    include "process_haptic.h"
 #endif
 
 #ifdef OLED_DRIVER_ENABLE