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feat(backlight): initial split support

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ReFil 2021-12-20 09:40:19 +00:00 committed by Pete Johanson
parent f8bf8bffd5
commit 5614a8bb80
6 changed files with 128 additions and 72 deletions
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2
app/dts/behaviors/backlight.dtsi
View file

@ -9,7 +9,7 @@
/omit-if-no-ref/ bl: behavior_backlight {
compatible = "zmk,behavior-backlight";
label = "BACKLIGHT";
#binding-cells = <1>;
#binding-cells = <2>;
};
};
};

2
app/dts/bindings/behaviors/zmk,behavior-backlight.yaml
View file

@ -5,4 +5,4 @@ description: Backlight behavior
compatible: "zmk,behavior-backlight"
include: one_param.yaml
include: two_param.yaml

18
app/include/dt-bindings/zmk/backlight.h
View file

@ -4,8 +4,16 @@
* SPDX-License-Identifier: MIT
*/
#define BL_TOG 0
#define BL_ON 1
#define BL_OFF 2
#define BL_INC 3
#define BL_DEC 4
#define BL_TOG_CMD 0
#define BL_ON_CMD 1
#define BL_OFF_CMD 2
#define BL_INC_CMD 3
#define BL_DEC_CMD 4
#define BL_SET_CMD 5
#define BL_TOG BL_TOG_CMD 0
#define BL_ON BL_ON_CMD 0
#define BL_OFF BL_OFF_CMD 0
#define BL_INC BL_INC_CMD 0
#define BL_DEC BL_DEC_CMD 0
#define BL_SET BL_SET_CMD

13
app/include/zmk/backlight.h
View file

@ -6,14 +6,11 @@
#pragma once
int zmk_backlight_set_on(bool on);
bool zmk_backlight_is_on();
int zmk_backlight_set_brt(int brt);
int zmk_backlight_get_brt();
int zmk_backlight_toggle();
bool zmk_backlight_get_on();
int zmk_backlight_on();
int zmk_backlight_off();
int zmk_backlight_inc();
int zmk_backlight_dec();
uint8_t zmk_backlight_calc_brt(int direction);
int zmk_backlight_set_brt(uint8_t brightness);
int zmk_backlight_adjust_brt(int direction);
int zmk_backlight_get_brt();

114
app/src/backlight.c
View file

@ -32,6 +32,8 @@ static const struct device *const backlight_dev = DEVICE_DT_GET(DT_CHOSEN(zmk_ba
#define BACKLIGHT_NUM_LEDS (DT_NUM_CHILD(DT_CHOSEN(zmk_backlight)))
#define BRT_MAX 100
struct backlight_state {
uint8_t brightness;
bool on;
@ -80,16 +82,7 @@ static void zmk_backlight_save_state_work() {
}
static struct k_delayed_work backlight_save_work;
#endif // IS_ENABLED(CONFIG_SETTINGS)
static int zmk_backlight_save_state() {
#if IS_ENABLED(CONFIG_SETTINGS)
k_delayed_work_cancel(&backlight_save_work);
return k_delayed_work_submit(&backlight_save_work, K_MSEC(CONFIG_ZMK_SETTINGS_SAVE_DEBOUNCE));
#else
return 0;
#endif
}
static int zmk_backlight_init(const struct device *_arg) {
if (!device_is_ready(backlight_dev)) {
@ -114,11 +107,22 @@ static int zmk_backlight_init(const struct device *_arg) {
return zmk_backlight_update();
}
int zmk_backlight_set_on(bool on) {
static int zmk_backlight_save_state() {
#if IS_ENABLED(CONFIG_SETTINGS)
k_delayed_work_cancel(&backlight_save_work);
return k_delayed_work_submit(&backlight_save_work, K_MSEC(CONFIG_ZMK_SETTINGS_SAVE_DEBOUNCE));
#else
return 0;
#endif
}
bool zmk_backlight_get_on() { return state.on; }
int zmk_backlight_on() {
if (!state.on && state.brightness == 0) {
state.brightness = CONFIG_ZMK_BACKLIGHT_BRT_STEP;
}
state.on = on;
state.on = true;
int rc = zmk_backlight_update();
if (rc != 0) {
@ -128,11 +132,9 @@ int zmk_backlight_set_on(bool on) {
return zmk_backlight_save_state();
}
bool zmk_backlight_is_on() { return state.on; }
int zmk_backlight_off() {
int zmk_backlight_set_brt(int brt) {
state.on = (brt > 0);
state.brightness = CLAMP(brt, 0, 100);
state.on = false;
int rc = zmk_backlight_update();
if (rc != 0) {
@ -144,21 +146,42 @@ int zmk_backlight_set_brt(int brt) {
int zmk_backlight_get_brt() { return state.on ? state.brightness : 0; }
int zmk_backlight_toggle() { return zmk_backlight_set_on(!state.on); }
int zmk_backlight_toggle() { return state.on ? zmk_backlight_off() : zmk_backlight_on(); }
int zmk_backlight_on() { return zmk_backlight_set_on(true); }
int zmk_backlight_off() { return zmk_backlight_set_on(false); }
int zmk_backlight_inc() {
if (!state.on) {
return zmk_backlight_set_brt(MAX(state.brightness, CONFIG_ZMK_BACKLIGHT_BRT_STEP));
int zmk_backlight_set_brt(uint8_t brightness) {
if (brightness > BRT_MAX) {
brightness = BRT_MAX;
}
return zmk_backlight_set_brt(state.brightness + CONFIG_ZMK_BACKLIGHT_BRT_STEP);
state.brightness = brightness;
state.on = (brightness > 0);
int rc = zmk_backlight_update();
if (rc != 0) {
return rc;
}
return zmk_backlight_save_state();
}
int zmk_backlight_dec() {
return zmk_backlight_set_brt(state.brightness - CONFIG_ZMK_BACKLIGHT_BRT_STEP);
uint8_t zmk_backlight_calc_brt(int direction) {
uint8_t brightness = state.brightness;
int b = state.brightness + (direction * CONFIG_ZMK_BACKLIGHT_BRT_STEP);
return CLAMP(b, 0, BRT_MAX);
}
int zmk_backlight_adjust_brt(int direction) {
state.brightness = zmk_backlight_calc_brt(direction);
state.on = (state.brightness > 0);
int rc = zmk_backlight_update();
if (rc != 0) {
return rc;
}
return zmk_backlight_save_state();
}
#if IS_ENABLED(CONFIG_ZMK_BACKLIGHT_AUTO_OFF_IDLE)
@ -170,39 +193,34 @@ static bool auto_off_usb_prev_state = false;
#endif
#if IS_ENABLED(CONFIG_ZMK_BACKLIGHT_AUTO_OFF_IDLE) || IS_ENABLED(CONFIG_ZMK_BACKLIGHT_AUTO_OFF_USB)
static int backlight_auto_state(bool *prev_state, bool *new_state) {
if (state.on == *new_state) {
return 0;
}
if (*new_state) {
state.on = *prev_state;
*prev_state = false;
return zmk_backlight_on();
} else {
state.on = false;
*prev_state = true;
return zmk_backlight_off();
}
}
static int backlight_event_listener(const zmk_event_t *eh) {
#if IS_ENABLED(CONFIG_ZMK_BACKLIGHT_AUTO_OFF_IDLE)
if (as_zmk_activity_state_changed(eh)) {
bool new_state = (zmk_activity_get_state() == ZMK_ACTIVITY_ACTIVE);
if (state.on == new_state) {
return 0;
}
if (new_state) {
state.on = auto_off_idle_prev_state;
auto_off_idle_prev_state = false;
} else {
state.on = false;
auto_off_idle_prev_state = true;
}
return zmk_backlight_update();
return backlight_auto_state(&auto_off_idle_prev_state, &new_state);
}
#endif
#if IS_ENABLED(CONFIG_ZMK_BACKLIGHT_AUTO_OFF_USB)
if (as_zmk_usb_conn_state_changed(eh)) {
bool new_state = zmk_usb_is_powered();
if (state.on == new_state) {
return 0;
}
if (new_state) {
state.on = auto_off_usb_prev_state;
auto_off_usb_prev_state = false;
} else {
state.on = false;
auto_off_usb_prev_state = true;
}
return zmk_backlight_update();
return backlight_auto_state(&auto_off_usb_prev_state, &new_state);
}
#endif

51
app/src/behaviors/behavior_backlight.c
View file

@ -20,21 +20,52 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
static int behavior_backlight_init(const struct device *dev) { return 0; }
static int
on_keymap_binding_convert_central_state_dependent_params(struct zmk_behavior_binding *binding,
struct zmk_behavior_binding_event event) {
switch (binding->param1) {
case BL_TOG_CMD: {
binding->param1 = zmk_backlight_get_on() ? BL_OFF_CMD : BL_ON_CMD;
break;
}
case BL_INC_CMD: {
uint8_t brightness = zmk_backlight_calc_brt(1);
binding->param1 = BL_SET_CMD;
binding->param2 = brightness;
break;
}
case BL_DEC_CMD: {
uint8_t brightness = zmk_backlight_calc_brt(-1);
binding->param1 = BL_SET_CMD;
binding->param2 = brightness;
break;
}
default:
return 0;
}
LOG_DBG("Backlight relative to absolute (%d/%d)", binding->param1, binding->param2);
return 0;
}
static int on_keymap_binding_pressed(struct zmk_behavior_binding *binding,
struct zmk_behavior_binding_event event) {
switch (binding->param1) {
case BL_TOG:
case BL_TOG_CMD:
return zmk_backlight_toggle();
case BL_ON:
case BL_ON_CMD:
return zmk_backlight_on();
case BL_OFF:
case BL_OFF_CMD:
return zmk_backlight_off();
case BL_INC:
return zmk_backlight_inc();
case BL_DEC:
return zmk_backlight_dec();
default:
LOG_ERR("Unknown backlight command: %d", binding->param1);
case BL_INC_CMD:
return zmk_backlight_adjust_brt(1);
case BL_DEC_CMD:
return zmk_backlight_adjust_brt(-1);
case BL_SET_CMD:
return zmk_backlight_set_brt(binding->param2);
}
return -ENOTSUP;
@ -46,6 +77,8 @@ static int on_keymap_binding_released(struct zmk_behavior_binding *binding,
}
static const struct behavior_driver_api behavior_backlight_driver_api = {
.binding_convert_central_state_dependent_params =
on_keymap_binding_convert_central_state_dependent_params,
.binding_pressed = on_keymap_binding_pressed,
.binding_released = on_keymap_binding_released,
};