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feat(display): Add new peripheral status/display 

* Add new API/status to track state of the
  peripheral connection to the central.
* Add new peripheral status widget for displaying
  the current status of the connection to
  the central.
This commit is contained in:
Peter Johanson 2022-04-26 05:00:46 +00:00 committed by Pete Johanson
parent 0a40f922b5
commit 16ab6df18d
10 changed files with 172 additions and 18 deletions
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35
app/CMakeLists.txt
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@ -26,25 +26,19 @@ target_sources(app PRIVATE src/stdlib.c)
target_sources(app PRIVATE src/activity.c)
target_sources(app PRIVATE src/kscan.c)
target_sources(app PRIVATE src/matrix_transform.c)
target_sources(app PRIVATE src/hid.c)
target_sources(app PRIVATE src/sensors.c)
target_sources_ifdef(CONFIG_ZMK_WPM app PRIVATE src/wpm.c)
target_sources(app PRIVATE src/event_manager.c)
target_sources_ifdef(CONFIG_ZMK_EXT_POWER app PRIVATE src/ext_power_generic.c)
target_sources(app PRIVATE src/events/activity_state_changed.c)
target_sources(app PRIVATE src/events/position_state_changed.c)
target_sources(app PRIVATE src/events/layer_state_changed.c)
target_sources(app PRIVATE src/events/keycode_state_changed.c)
target_sources(app PRIVATE src/events/modifiers_state_changed.c)
target_sources(app PRIVATE src/events/endpoint_selection_changed.c)
target_sources(app PRIVATE src/events/sensor_event.c)
target_sources_ifdef(CONFIG_ZMK_WPM app PRIVATE src/events/wpm_state_changed.c)
target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/events/ble_active_profile_changed.c)
target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/events/battery_state_changed.c)
target_sources_ifdef(CONFIG_USB_DEVICE_STACK app PRIVATE src/events/usb_conn_state_changed.c)
target_sources(app PRIVATE src/behaviors/behavior_reset.c)
target_sources_ifdef(CONFIG_ZMK_EXT_POWER app PRIVATE src/behaviors/behavior_ext_power.c)
if ((NOT CONFIG_ZMK_SPLIT) OR CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL)
target_sources(app PRIVATE src/hid.c)
target_sources(app PRIVATE src/behaviors/behavior_key_press.c)
target_sources(app PRIVATE src/behaviors/behavior_hold_tap.c)
target_sources(app PRIVATE src/behaviors/behavior_sticky_key.c)
@ -64,12 +58,16 @@ if ((NOT CONFIG_ZMK_SPLIT) OR CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL)
target_sources(app PRIVATE src/behavior_queue.c)
target_sources(app PRIVATE src/conditional_layer.c)
target_sources(app PRIVATE src/endpoints.c)
target_sources(app PRIVATE src/events/endpoint_selection_changed.c)
target_sources(app PRIVATE src/hid_listener.c)
target_sources(app PRIVATE src/keymap.c)
target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/behaviors/behavior_bt.c)
target_sources(app PRIVATE src/events/layer_state_changed.c)
target_sources(app PRIVATE src/events/modifiers_state_changed.c)
target_sources(app PRIVATE src/events/keycode_state_changed.c)
if (CONFIG_ZMK_BLE)
target_sources(app PRIVATE src/events/ble_active_profile_changed.c)
target_sources(app PRIVATE src/behaviors/behavior_bt.c)
target_sources(app PRIVATE src/ble.c)
target_sources(app PRIVATE src/hog.c)
endif()
@ -77,15 +75,20 @@ endif()
target_sources_ifdef(CONFIG_ZMK_RGB_UNDERGLOW app PRIVATE src/behaviors/behavior_rgb_underglow.c)
target_sources_ifdef(CONFIG_ZMK_BACKLIGHT app PRIVATE src/behaviors/behavior_backlight.c)
target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/events/battery_state_changed.c)
target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/battery.c)
if (CONFIG_ZMK_SPLIT_BLE AND (NOT CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL))
target_sources(app PRIVATE src/split_listener.c)
target_sources(app PRIVATE src/split/bluetooth/service.c)
target_sources(app PRIVATE src/split/bluetooth/peripheral.c)
endif()
if (CONFIG_ZMK_SPLIT_BLE AND CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL)
target_sources(app PRIVATE src/split/bluetooth/central.c)
if (CONFIG_ZMK_SPLIT_BLE)
if (NOT CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL)
target_sources(app PRIVATE src/split_listener.c)
target_sources(app PRIVATE src/split/bluetooth/service.c)
target_sources(app PRIVATE src/split/bluetooth/peripheral.c)
target_sources(app PRIVATE src/events/split_peripheral_status_changed.c)
endif()
if (CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL)
target_sources(app PRIVATE src/split/bluetooth/central.c)
endif()
endif()
target_sources_ifdef(CONFIG_USB_DEVICE_STACK app PRIVATE src/usb.c)
target_sources_ifdef(CONFIG_ZMK_USB app PRIVATE src/usb_hid.c)

19
app/include/zmk/display/widgets/peripheral_status.h Normal file
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@ -0,0 +1,19 @@
/*
* Copyright (c) 2022 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <lvgl.h>
#include <kernel.h>
struct zmk_widget_peripheral_status {
sys_snode_t node;
lv_obj_t *obj;
};
int zmk_widget_peripheral_status_init(struct zmk_widget_peripheral_status *widget,
lv_obj_t *parent);
lv_obj_t *zmk_widget_peripheral_status_obj(struct zmk_widget_peripheral_status *widget);

16
app/include/zmk/events/split_peripheral_status_changed.h Normal file
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@ -0,0 +1,16 @@
/*
* Copyright (c) 2022 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <zephyr.h>
#include <zmk/event_manager.h>
struct zmk_split_peripheral_status_changed {
bool connected;
};
ZMK_EVENT_DECLARE(zmk_split_peripheral_status_changed);

9
app/include/zmk/split/bluetooth/peripheral.h Normal file
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@ -0,0 +1,9 @@
/*
* Copyright (c) 2022 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#pragma once
bool zmk_split_bt_peripheral_is_connected(void);

11
app/src/display/status_screen.c
View File

@ -5,6 +5,7 @@
*/
#include <zmk/display/widgets/output_status.h>
#include <zmk/display/widgets/peripheral_status.h>
#include <zmk/display/widgets/battery_status.h>
#include <zmk/display/widgets/layer_status.h>
#include <zmk/display/widgets/wpm_status.h>
@ -21,6 +22,10 @@ static struct zmk_widget_battery_status battery_status_widget;
static struct zmk_widget_output_status output_status_widget;
#endif
#if IS_ENABLED(CONFIG_ZMK_WIDGET_PERIPHERAL_STATUS)
static struct zmk_widget_peripheral_status peripheral_status_widget;
#endif
#if IS_ENABLED(CONFIG_ZMK_WIDGET_LAYER_STATUS)
static struct zmk_widget_layer_status layer_status_widget;
#endif
@ -46,6 +51,12 @@ lv_obj_t *zmk_display_status_screen() {
0);
#endif
#if IS_ENABLED(CONFIG_ZMK_WIDGET_PERIPHERAL_STATUS)
zmk_widget_peripheral_status_init(&peripheral_status_widget, screen);
lv_obj_align(zmk_widget_peripheral_status_obj(&peripheral_status_widget), NULL,
LV_ALIGN_IN_TOP_LEFT, 0, 0);
#endif
#if IS_ENABLED(CONFIG_ZMK_WIDGET_LAYER_STATUS)
zmk_widget_layer_status_init(&layer_status_widget, screen);
lv_obj_set_style_local_text_font(zmk_widget_layer_status_obj(&layer_status_widget),

1
app/src/display/widgets/CMakeLists.txt
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@ -3,5 +3,6 @@
target_sources_ifdef(CONFIG_ZMK_WIDGET_BATTERY_STATUS app PRIVATE battery_status.c)
target_sources_ifdef(CONFIG_ZMK_WIDGET_OUTPUT_STATUS app PRIVATE output_status.c)
target_sources_ifdef(CONFIG_ZMK_WIDGET_PERIPHERAL_STATUS app PRIVATE peripheral_status.c)
target_sources_ifdef(CONFIG_ZMK_WIDGET_LAYER_STATUS app PRIVATE layer_status.c)
target_sources_ifdef(CONFIG_ZMK_WIDGET_WPM_STATUS app PRIVATE wpm_status.c)

10
app/src/display/widgets/Kconfig
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@ -17,8 +17,14 @@ config ZMK_WIDGET_BATTERY_STATUS
config ZMK_WIDGET_OUTPUT_STATUS
bool "Widget for keyboard output status icons"
depends on BT
default y if BT
depends on BT && (!ZMK_SPLIT_BLE || ZMK_SPLIT_BLE_ROLE_CENTRAL)
default y if BT && (!ZMK_SPLIT_BLE || ZMK_SPLIT_BLE_ROLE_CENTRAL)
select LVGL_USE_LABEL
config ZMK_WIDGET_PERIPHERAL_STATUS
bool "Widget for split peripheral status icons"
depends on BT && ZMK_SPLIT_BLE && !ZMK_SPLIT_BLE_ROLE_CENTRAL
default y if BT && ZMK_SPLIT_BLE && !ZMK_SPLIT_BLE_ROLE_CENTRAL
select LVGL_USE_LABEL
config ZMK_WIDGET_WPM_STATUS

60
app/src/display/widgets/peripheral_status.c Normal file
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@ -0,0 +1,60 @@
/*
* Copyright (c) 2022 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <kernel.h>
#include <bluetooth/services/bas.h>
#include <logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/display.h>
#include <zmk/display/widgets/peripheral_status.h>
#include <zmk/event_manager.h>
#include <zmk/split/bluetooth/peripheral.h>
#include <zmk/events/split_peripheral_status_changed.h>
static sys_slist_t widgets = SYS_SLIST_STATIC_INIT(&widgets);
struct peripheral_status_state {
bool connected;
};
static struct peripheral_status_state get_state(const zmk_event_t *_eh) {
return (struct peripheral_status_state){.connected = zmk_split_bt_peripheral_is_connected()};
}
static void set_status_symbol(lv_obj_t *label, struct peripheral_status_state state) {
const char *text =
state.connected ? (LV_SYMBOL_WIFI " " LV_SYMBOL_OK) : (LV_SYMBOL_WIFI " " LV_SYMBOL_CLOSE);
LOG_DBG("connected? %s", state.connected ? "true" : "false");
lv_label_set_text(label, text);
}
static void output_status_update_cb(struct peripheral_status_state state) {
struct zmk_widget_peripheral_status *widget;
SYS_SLIST_FOR_EACH_CONTAINER(&widgets, widget, node) { set_status_symbol(widget->obj, state); }
}
ZMK_DISPLAY_WIDGET_LISTENER(widget_peripheral_status, struct peripheral_status_state,
output_status_update_cb, get_state)
ZMK_SUBSCRIPTION(widget_peripheral_status, zmk_split_peripheral_status_changed);
int zmk_widget_peripheral_status_init(struct zmk_widget_peripheral_status *widget,
lv_obj_t *parent) {
widget->obj = lv_label_create(parent, NULL);
lv_obj_set_size(widget->obj, 40, 15);
sys_slist_append(&widgets, &widget->node);
widget_peripheral_status_init();
return 0;
}
lv_obj_t *zmk_widget_peripheral_status_obj(struct zmk_widget_peripheral_status *widget) {
return widget->obj;
}

10
app/src/events/split_peripheral_status_changed.c Normal file
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@ -0,0 +1,10 @@
/*
* Copyright (c) 2022 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <kernel.h>
#include <zmk/events/split_peripheral_status_changed.h>
ZMK_EVENT_IMPL(zmk_split_peripheral_status_changed);

19
app/src/split/bluetooth/peripheral.c
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@ -30,6 +30,8 @@
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/event_manager.h>
#include <zmk/events/split_peripheral_status_changed.h>
#include <zmk/ble.h>
#include <zmk/split/bluetooth/uuid.h>
@ -39,16 +41,30 @@ static const struct bt_data zmk_ble_ad[] = {
),
BT_DATA_BYTES(BT_DATA_UUID128_ALL, ZMK_SPLIT_BT_SERVICE_UUID)};
static bool is_connected = false;
static int start_advertising() {
return bt_le_adv_start(BT_LE_ADV_CONN, zmk_ble_ad, ARRAY_SIZE(zmk_ble_ad), NULL, 0);
};
static void connected(struct bt_conn *conn, uint8_t err) {
is_connected = (err == 0);
ZMK_EVENT_RAISE(new_zmk_split_peripheral_status_changed(
(struct zmk_split_peripheral_status_changed){.connected = is_connected}));
}
static void disconnected(struct bt_conn *conn, uint8_t reason) {
char addr[BT_ADDR_LE_STR_LEN];
bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr));
LOG_DBG("Disconnected from %s (reason 0x%02x)", log_strdup(addr), reason);
is_connected = false;
ZMK_EVENT_RAISE(new_zmk_split_peripheral_status_changed(
(struct zmk_split_peripheral_status_changed){.connected = is_connected}));
}
static void security_changed(struct bt_conn *conn, bt_security_t level, enum bt_security_err err) {
@ -73,11 +89,14 @@ static void le_param_updated(struct bt_conn *conn, uint16_t interval, uint16_t l
}
static struct bt_conn_cb conn_callbacks = {
.connected = connected,
.disconnected = disconnected,
.security_changed = security_changed,
.le_param_updated = le_param_updated,
};
bool zmk_split_bt_peripheral_is_connected() { return is_connected; }
static int zmk_peripheral_ble_init(const struct device *_arg) {
int err = bt_enable(NULL);