diff options
| -rw-r--r-- | app/CMakeLists.txt | 23 | ||||
| -rw-r--r-- | app/Kconfig | 26 | ||||
| -rw-r--r-- | app/include/dt-bindings/zmk/bt.h | 11 | ||||
| -rw-r--r-- | app/include/zmk/ble.h | 9 | ||||
| -rw-r--r-- | app/include/zmk/ble/profile.h | 16 | ||||
| -rw-r--r-- | app/include/zmk/events/ble-active-profile-changed.h | 22 | ||||
| -rw-r--r-- | app/src/behaviors/behavior_bt.c | 6 | ||||
| -rw-r--r-- | app/src/ble.c | 238 | ||||
| -rw-r--r-- | app/src/events/ble_active_profile_changed.c | 10 | ||||
| -rw-r--r-- | app/src/hog.c | 36 | ||||
| -rw-r--r-- | app/src/split/bluetooth/central.c | 43 | ||||
| -rw-r--r-- | app/src/split/bluetooth/service.c | 6 | ||||
| -rw-r--r-- | app/src/split_listener.c | 4 | ||||
| -rw-r--r-- | docs/docs/behavior/bluetooth.md | 46 |
14 files changed, 372 insertions, 124 deletions
diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt index ca2767f..3e0560b 100644 --- a/app/CMakeLists.txt +++ b/app/CMakeLists.txt @@ -29,23 +29,26 @@ target_sources(app PRIVATE src/hid.c) target_sources(app PRIVATE src/sensors.c) target_sources_ifdef(CONFIG_ZMK_DISPLAY app PRIVATE src/display.c) target_sources(app PRIVATE src/event_manager.c) +target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/ble_unpair_combo.c) target_sources(app PRIVATE src/events/position_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/sensor_event.c) -target_sources(app PRIVATE src/behaviors/behavior_key_press.c) -target_sources(app PRIVATE src/behaviors/behavior_reset.c) -target_sources(app PRIVATE src/behaviors/behavior_hold_tap.c) -target_sources(app PRIVATE src/behaviors/behavior_momentary_layer.c) -target_sources(app PRIVATE src/behaviors/behavior_toggle_layer.c) -target_sources(app PRIVATE src/behaviors/behavior_transparent.c) -target_sources(app PRIVATE src/behaviors/behavior_none.c) -target_sources(app PRIVATE src/behaviors/behavior_sensor_rotate_key_press.c) -target_sources(app PRIVATE src/keymap.c) +target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/events/ble_active_profile_changed.c) +if (NOT CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL) + target_sources(app PRIVATE src/behaviors/behavior_key_press.c) + target_sources(app PRIVATE src/behaviors/behavior_reset.c) + target_sources(app PRIVATE src/behaviors/behavior_hold_tap.c) + target_sources(app PRIVATE src/behaviors/behavior_momentary_layer.c) + target_sources(app PRIVATE src/behaviors/behavior_toggle_layer.c) + target_sources(app PRIVATE src/behaviors/behavior_transparent.c) + target_sources(app PRIVATE src/behaviors/behavior_none.c) + target_sources(app PRIVATE src/behaviors/behavior_sensor_rotate_key_press.c) + target_sources(app PRIVATE src/keymap.c) +endif() target_sources_ifdef(CONFIG_ZMK_RGB_UNDERGLOW app PRIVATE src/behaviors/behavior_rgb_underglow.c) target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/behaviors/behavior_bt.c) target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/ble.c) -target_sources_ifdef(CONFIG_ZMK_BLE app PRIVATE src/ble_unpair_combo.c) target_sources_ifdef(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL app PRIVATE src/split_listener.c) target_sources_ifdef(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL app PRIVATE src/split/bluetooth/service.c) target_sources_ifdef(CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL app PRIVATE src/split/bluetooth/central.c) diff --git a/app/Kconfig b/app/Kconfig index b9d05a9..917674d 100644 --- a/app/Kconfig +++ b/app/Kconfig @@ -37,6 +37,7 @@ menuconfig ZMK_BLE select BT select BT_SMP select BT_SMP_SC_PAIR_ONLY + select BT_SMP_APP_PAIRING_ACCEPT select BT_PERIPHERAL select BT_GATT_DIS select BT_GATT_BAS @@ -105,19 +106,9 @@ config ZMK_SPLIT_BLE_ROLE_CENTRAL select BT_CENTRAL select BT_GATT_CLIENT -if ZMK_SPLIT_BLE_ROLE_CENTRAL - -config BT_MAX_CONN - default 2 - -config BT_MAX_PAIRED - # Bump this everywhere once we support switching active connections! - default 2 - -endif - config ZMK_SPLIT_BLE_ROLE_PERIPHERAL bool "Peripheral" + select BT_KEYS_OVERWRITE_OLDEST if ZMK_SPLIT_BLE_ROLE_PERIPHERAL @@ -128,16 +119,25 @@ config BT_MAX_PAIRED default 1 config BT_MAX_CONN - default 2 + default 1 config BT_GAP_AUTO_UPDATE_CONN_PARAMS default n endif - endchoice +if ZMK_BLE && (!ZMK_SPLIT_BLE || ZMK_SPLIT_BLE_ROLE_CENTRAL) + +config BT_MAX_CONN + default 6 + +config BT_MAX_PAIRED + default 5 + +endif + endif endif diff --git a/app/include/dt-bindings/zmk/bt.h b/app/include/dt-bindings/zmk/bt.h index 24d27ae..b2899ab 100644 --- a/app/include/dt-bindings/zmk/bt.h +++ b/app/include/dt-bindings/zmk/bt.h @@ -4,11 +4,18 @@ * SPDX-License-Identifier: MIT */ -#define BT_CLEAR_BONDS_CMD 0 +#define BT_CLEAR_BONDS_CMD 0 +#define BT_PROF_NEXT_CMD 1 +#define BT_PROF_PREV_CMD 2 +#define BT_PROF_SEL_CMD 3 +// #define BT_FULL_RESET_CMD 4 /* Note: Some future commands will include additional parameters, so we defines these aliases up front. */ -#define BT_CLEAR_BONDS BT_CLEAR_BONDS_CMD 0
\ No newline at end of file +#define BT_CLEAR_BONDS BT_CLEAR_BONDS_CMD 0 +#define BT_PROF_NEXT BT_PROF_NEXT_CMD 0 +#define BT_PROF_PREV BT_PROF_PREV_CMD 0 +#define BT_PROF_SEL BT_PROF_SEL_CMD
\ No newline at end of file diff --git a/app/include/zmk/ble.h b/app/include/zmk/ble.h index 62d476e..1cf71a7 100644 --- a/app/include/zmk/ble.h +++ b/app/include/zmk/ble.h @@ -6,11 +6,16 @@ #pragma once -#include <bluetooth/addr.h> #include <zmk/keys.h> - +#include <zmk/ble/profile.h> int zmk_ble_clear_bonds(); +int zmk_ble_prof_next(); +int zmk_ble_prof_prev(); +int zmk_ble_prof_select(u8_t index); + +bt_addr_le_t *zmk_ble_active_profile_addr(); +char *zmk_ble_active_profile_name(); int zmk_ble_unpair_all(); bool zmk_ble_handle_key_user(struct zmk_key_event *key_event); diff --git a/app/include/zmk/ble/profile.h b/app/include/zmk/ble/profile.h new file mode 100644 index 0000000..9a79c6d --- /dev/null +++ b/app/include/zmk/ble/profile.h @@ -0,0 +1,16 @@ +/* + * Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com> + * + * SPDX-License-Identifier: MIT + */ + +#pragma once + +#include <bluetooth/addr.h> + +#define ZMK_BLE_PROFILE_NAME_MAX 15 + +struct zmk_ble_profile { + char name[ZMK_BLE_PROFILE_NAME_MAX]; + bt_addr_le_t peer; +}; diff --git a/app/include/zmk/events/ble-active-profile-changed.h b/app/include/zmk/events/ble-active-profile-changed.h new file mode 100644 index 0000000..c464236 --- /dev/null +++ b/app/include/zmk/events/ble-active-profile-changed.h @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com> + * + * SPDX-License-Identifier: MIT + */ + +#pragma once + +#include <zephyr.h> +#include <zmk/event-manager.h> +#include <device.h> + +#include <zmk/ble/profile.h> + + +struct ble_active_profile_changed { + struct zmk_event_header header; + u8_t index; + struct zmk_ble_profile *profile; +}; + +ZMK_EVENT_DECLARE(ble_active_profile_changed); diff --git a/app/src/behaviors/behavior_bt.c b/app/src/behaviors/behavior_bt.c index 63a1ef1..bf15683 100644 --- a/app/src/behaviors/behavior_bt.c +++ b/app/src/behaviors/behavior_bt.c @@ -24,6 +24,12 @@ static int on_keymap_binding_pressed(struct device *dev, u32_t position, u32_t c { case BT_CLEAR_BONDS_CMD: return zmk_ble_clear_bonds(); + case BT_PROF_NEXT_CMD: + return zmk_ble_prof_next(); + case BT_PROF_PREV_CMD: + return zmk_ble_prof_prev(); + case BT_PROF_SEL_CMD: + return zmk_ble_prof_select(arg); default: LOG_ERR("Unknown BT command: %d", command); } diff --git a/app/src/ble.c b/app/src/ble.c index 7ef95ca..40e05a3 100644 --- a/app/src/ble.c +++ b/app/src/ble.c @@ -25,49 +25,30 @@ #endif - #include <logging/log.h> LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); +#include <zmk/ble.h> #include <zmk/keys.h> #include <zmk/split/bluetooth/uuid.h> +#include <zmk/event-manager.h> +#include <zmk/events/ble-active-profile-changed.h> static struct bt_conn *auth_passkey_entry_conn; static u8_t passkey_entries[6] = {0, 0, 0, 0, 0, 0}; static u8_t passkey_digit = 0; -#define ZMK_BT_LE_ADV_PARAM_INIT(_id, _options, _int_min, _int_max, _peer) \ -{ \ - .id = _id, \ - .sid = 0, \ - .secondary_max_skip = 0, \ - .options = (_options), \ - .interval_min = (_int_min), \ - .interval_max = (_int_max), \ - .peer = (_peer), \ -} - -#define ZMK_BT_LE_ADV_PARAM(_id, _options, _int_min, _int_max, _peer) \ - ((struct bt_le_adv_param[]) { \ - ZMK_BT_LE_ADV_PARAM_INIT(_id, _options, _int_min, _int_max, _peer) \ - }) - #if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL) -#define ZMK_ADV_PARAMS(_id) ZMK_BT_LE_ADV_PARAM(_id, \ - BT_LE_ADV_OPT_CONNECTABLE | \ - BT_LE_ADV_OPT_ONE_TIME | \ - BT_LE_ADV_OPT_USE_NAME, \ - BT_GAP_ADV_FAST_INT_MIN_2, \ - BT_GAP_ADV_FAST_INT_MAX_2, NULL) +#define PROFILE_COUNT (CONFIG_BT_MAX_PAIRED - 1) #else -#define ZMK_ADV_PARAMS(_id) ZMK_BT_LE_ADV_PARAM(_id, \ - BT_LE_ADV_OPT_CONNECTABLE | \ - BT_LE_ADV_OPT_USE_NAME, \ - BT_GAP_ADV_FAST_INT_MIN_2, \ - BT_GAP_ADV_FAST_INT_MAX_2, NULL) +#define PROFILE_COUNT CONFIG_BT_MAX_PAIRED #endif + +static struct zmk_ble_profile profiles[PROFILE_COUNT]; +static u8_t active_profile; + static const struct bt_data zmk_ble_ad[] = { BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)), BT_DATA_BYTES(BT_DATA_UUID16_SOME, @@ -88,6 +69,33 @@ static bt_addr_le_t peripheral_addr; #endif /* IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL) */ +static void raise_profile_changed_event() +{ + struct ble_active_profile_changed *ev = new_ble_active_profile_changed(); + ev->index = active_profile; + ev->profile = &profiles[active_profile]; + + ZMK_EVENT_RAISE(ev); +} + +static bool active_profile_is_open() +{ + return !bt_addr_le_cmp(&profiles[active_profile].peer, BT_ADDR_LE_ANY); +} + +void set_profile_address(u8_t index, const bt_addr_le_t *addr) +{ + char setting_name[15]; + char addr_str[BT_ADDR_LE_STR_LEN]; + + bt_addr_le_to_str(addr, addr_str, sizeof(addr_str)); + + memcpy(&profiles[index].peer, addr, sizeof(bt_addr_le_t)); + sprintf(setting_name, "ble/profiles/%d", index); + LOG_DBG("Setting profile addr for %s to %s", log_strdup(setting_name), log_strdup(addr_str)); + settings_save_one(setting_name, &profiles[index], sizeof(struct zmk_ble_profile)); + raise_profile_changed_event(); +} int zmk_ble_adv_pause() { @@ -102,10 +110,12 @@ int zmk_ble_adv_pause() int zmk_ble_adv_resume() { - struct bt_le_adv_param *adv_params = ZMK_ADV_PARAMS(BT_ID_DEFAULT); + LOG_DBG("active_profile %d, directed? %s", active_profile, active_profile_is_open() ? "no" : "yes"); - LOG_DBG(""); - int err = bt_le_adv_start(adv_params, zmk_ble_ad, ARRAY_SIZE(zmk_ble_ad), NULL, 0); + int err = bt_le_adv_start( + BT_LE_ADV_CONN_NAME, + zmk_ble_ad, ARRAY_SIZE(zmk_ble_ad), + NULL, 0); if (err) { LOG_ERR("Advertising failed to start (err %d)", err); @@ -115,44 +125,54 @@ int zmk_ble_adv_resume() return 0; }; -static void disconnect_host_connection(struct bt_conn *conn, void *arg) +int zmk_ble_clear_bonds() { - struct bt_conn_info info; - bt_conn_get_info(conn, &info); - - if (info.role != BT_CONN_ROLE_SLAVE) { - return; + LOG_DBG(""); + + if (bt_addr_le_cmp(&profiles[active_profile].peer, BT_ADDR_LE_ANY)) { + LOG_DBG("Unpairing!"); + bt_unpair(BT_ID_DEFAULT, &profiles[active_profile].peer); + set_profile_address(active_profile, BT_ADDR_LE_ANY); } - bt_conn_disconnect(conn, BT_HCI_ERR_LOCALHOST_TERM_CONN); + return 0; }; - -static void unpair_non_peripheral_bonds(const struct bt_bond_info *info, void *user_data) { - char addr[BT_ADDR_LE_STR_LEN]; - bt_addr_le_to_str(&info->addr, addr, sizeof(addr)); - -#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL) - if (!bt_addr_le_cmp(&info->addr, &peripheral_addr)) { - LOG_DBG("Skipping unpairing peripheral %s", log_strdup(addr)); - return; +int zmk_ble_prof_select(u8_t index) +{ + LOG_DBG("profile %d", index); + if (active_profile == index) { + return 0; } -#endif /* IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL) */ - LOG_DBG("Unpairing %s", log_strdup(addr)); - bt_unpair(BT_ID_DEFAULT, &info->addr); -} + active_profile = index; + return settings_save_one("ble/active_profile", &active_profile, sizeof(active_profile)); -int zmk_ble_clear_bonds() + raise_profile_changed_event(); +}; + +int zmk_ble_prof_next() { LOG_DBG(""); - - bt_conn_foreach(BT_ID_DEFAULT, disconnect_host_connection, NULL); - bt_foreach_bond(BT_ID_DEFAULT, unpair_non_peripheral_bonds, NULL); + return zmk_ble_prof_select((active_profile + 1) % PROFILE_COUNT); +}; - return 0; +int zmk_ble_prof_prev() +{ + LOG_DBG(""); + return zmk_ble_prof_select((active_profile + PROFILE_COUNT - 1) % PROFILE_COUNT); }; +bt_addr_le_t *zmk_ble_active_profile_addr() +{ + return &profiles[active_profile].peer; +} + +char *zmk_ble_active_profile_name() +{ + return profiles[active_profile].name; +} + #if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL) void zmk_ble_set_peripheral_addr(bt_addr_le_t *addr) @@ -171,8 +191,47 @@ static int ble_profiles_handle_set(const char *name, size_t len, settings_read_c LOG_DBG("Setting BLE value %s", log_strdup(name)); + if (settings_name_steq(name, "profiles", &next) && next) { + char *endptr; + u8_t idx = strtoul(next, &endptr, 10); + if (*endptr != '\0') { + LOG_WRN("Invalid profile index: %s", log_strdup(next)); + return -EINVAL; + } + + if (len != sizeof(struct zmk_ble_profile)) { + LOG_ERR("Invalid profile size (got %d expected %d)", len, sizeof(struct zmk_ble_profile)); + return -EINVAL; + } + + if (idx >= PROFILE_COUNT) { + LOG_WRN("Profile address for index %d is larger than max of %d", idx, PROFILE_COUNT); + return -EINVAL; + } + + int err = read_cb(cb_arg, &profiles[idx], sizeof(struct zmk_ble_profile)); + if (err <= 0) { + LOG_ERR("Failed to handle profile address from settings (err %d)", err); + return err; + } + + char addr_str[BT_ADDR_LE_STR_LEN]; + bt_addr_le_to_str(&profiles[idx].peer, addr_str, sizeof(addr_str)); + + LOG_DBG("Loaded %s address for profile %d", log_strdup(addr_str), idx); + } else if (settings_name_steq(name, "active_profile", &next) && !next) { + if (len != sizeof(active_profile)) { + return -EINVAL; + } + + int err = read_cb(cb_arg, &active_profile, sizeof(active_profile)); + if (err <= 0) { + LOG_ERR("Failed to handle active profile from settings (err %d)", err); + return err; + } + } #if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL) - if (settings_name_steq(name, "peripheral_address", &next) && !next) { + else if (settings_name_steq(name, "peripheral_address", &next) && !next) { if (len != sizeof(bt_addr_le_t)) { return -EINVAL; } @@ -197,7 +256,6 @@ struct settings_handler profiles_handler = { static void connected(struct bt_conn *conn, u8_t err) { char addr[BT_ADDR_LE_STR_LEN]; - bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr)); if (err) @@ -229,11 +287,11 @@ static void disconnected(struct bt_conn *conn, u8_t reason) LOG_DBG("Disconnected from %s (reason 0x%02x)", log_strdup(addr), reason); #if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_CENTRAL) - if (bt_addr_le_cmp(&peripheral_addr, BT_ADDR_LE_ANY) && bt_addr_le_cmp(&peripheral_addr, bt_conn_get_dst(conn))) { - zmk_ble_adv_resume(); - } + // if (bt_addr_le_cmp(&peripheral_addr, BT_ADDR_LE_ANY) && bt_addr_le_cmp(&peripheral_addr, bt_conn_get_dst(conn))) { + // zmk_ble_adv_resume(); + // } #else - zmk_ble_adv_resume(); + // zmk_ble_adv_resume(); #endif } @@ -301,7 +359,52 @@ static void auth_cancel(struct bt_conn *conn) LOG_DBG("Pairing cancelled: %s", log_strdup(addr)); } +#if !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL) +static enum bt_security_err auth_pairing_accept(struct bt_conn *conn, const struct bt_conn_pairing_feat *const feat) +{ + struct bt_conn_info info; + bt_conn_get_info(conn, &info); + + LOG_DBG("role %d, open? %s", info.role, active_profile_is_open() ? "yes" : "no"); + if (info.role != BT_CONN_ROLE_SLAVE && !active_profile_is_open()) { + LOG_WRN("Rejecting pairing request to taken profile %d", active_profile); + return BT_SECURITY_ERR_PAIR_NOT_ALLOWED; + } + + return BT_SECURITY_ERR_SUCCESS; +}; +#endif /* !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL) */ + +static void auth_pairing_complete(struct bt_conn *conn, bool bonded) +{ + struct bt_conn_info info; + char addr[BT_ADDR_LE_STR_LEN]; + const bt_addr_le_t *dst = bt_conn_get_dst(conn); + + bt_addr_le_to_str(dst, addr, sizeof(addr)); + bt_conn_get_info(conn, &info); + + if (info.role != BT_CONN_ROLE_SLAVE) { + LOG_DBG("SKIPPING FOR ROLE %d", info.role); + return; + } + +#if !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL) + if (!active_profile_is_open()) { + LOG_ERR("Pairing completed but current profile is not open: %s", log_strdup(addr)); + bt_unpair(BT_ID_DEFAULT, dst); + return; + } +#endif /* !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL) */ + + set_profile_address(active_profile, dst); +}; + static struct bt_conn_auth_cb zmk_ble_auth_cb_display = { +#if !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL) + .pairing_accept = auth_pairing_accept, +#endif /* !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL) */ + .pairing_complete = auth_pairing_complete, // .passkey_display = auth_passkey_display, #ifdef CONFIG_ZMK_BLE_PASSKEY_ENTRY @@ -348,11 +451,20 @@ static int zmk_ble_init(struct device *_arg) #if IS_ENABLED(CONFIG_ZMK_BLE_CLEAR_BONDS_ON_START) LOG_WRN("Clearing all existing BLE bond information from the keyboard"); - settings_delete("bt/name"); for (int i = 0; i < 10; i++) { bt_unpair(i, NULL); } + + for (int i = 0; i < PROFILE_COUNT; i++) { + char setting_name[15]; + sprintf(setting_name, "ble/profiles/%d", i); + + err = settings_delete(setting_name); + if (err) { + LOG_ERR("Failed to delete setting: %d", err); + } + } #endif bt_conn_cb_register(&conn_callbacks); diff --git a/app/src/events/ble_active_profile_changed.c b/app/src/events/ble_active_profile_changed.c new file mode 100644 index 0000000..a270a14 --- /dev/null +++ b/app/src/events/ble_active_profile_changed.c @@ -0,0 +1,10 @@ +/* + * Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com> + * + * SPDX-License-Identifier: MIT + */ + +#include <kernel.h> +#include <zmk/events/ble-active-profile-changed.h> + +ZMK_EVENT_IMPL(ble_active_profile_changed);
\ No newline at end of file diff --git a/app/src/hog.c b/app/src/hog.c index 92858d5..93e6d9b 100644 --- a/app/src/hog.c +++ b/app/src/hog.c @@ -6,6 +6,10 @@ #include <settings/settings.h> +#include <logging/log.h> + +LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); + #include <bluetooth/bluetooth.h> #include <bluetooth/gatt.h> @@ -148,12 +152,40 @@ BT_GATT_SERVICE_DEFINE(hog_svc, BT_GATT_PERM_WRITE, NULL, write_ctrl_point, &ctrl_point)); +struct bt_conn *destination_connection() { + struct bt_conn *conn; + bt_addr_le_t *addr = zmk_ble_active_profile_addr(); + LOG_DBG("Address pointer %p", addr); + if (!bt_addr_le_cmp(addr, BT_ADDR_LE_ANY)) { + LOG_WRN("Not sending, no active address for current profile"); + return NULL; + } else if ((conn = bt_conn_lookup_addr_le(BT_ID_DEFAULT, addr)) == NULL) { + LOG_WRN("Not sending, not connected to active profile"); + return NULL; + } + + return conn; + +} + int zmk_hog_send_keypad_report(struct zmk_hid_keypad_report_body *report) { - return bt_gatt_notify(NULL, &hog_svc.attrs[5], report, sizeof(struct zmk_hid_keypad_report_body)); + struct bt_conn *conn = destination_connection(); + if (conn == NULL) { + return -ENOTCONN; + } + + LOG_DBG("Sending to NULL? %s", conn == NULL ? "yes" : "no"); + + return bt_gatt_notify(conn, &hog_svc.attrs[5], report, sizeof(struct zmk_hid_keypad_report_body)); }; int zmk_hog_send_consumer_report(struct zmk_hid_consumer_report_body *report) { - return bt_gatt_notify(NULL, &hog_svc.attrs[10], report, sizeof(struct zmk_hid_consumer_report_body)); + struct bt_conn *conn = destination_connection(); + if (conn == NULL) { + return -ENOTCONN; + } + + return bt_gatt_notify(conn, &hog_svc.attrs[10], report, sizeof(struct zmk_hid_consumer_report_body)); }; diff --git a/app/src/split/bluetooth/central.c b/app/src/split/bluetooth/central.c index df8f34e..6d8b435 100644 --- a/app/src/split/bluetooth/central.c +++ b/app/src/split/bluetooth/central.c @@ -76,10 +76,19 @@ static u8_t split_central_notify_func(struct bt_conn *conn, static int split_central_subscribe(struct bt_conn *conn) { int err = bt_gatt_subscribe(conn, &subscribe_params); - if (err && err != -EALREADY) { - LOG_ERR("Subscribe failed (err %d)", err); - } else { + switch (err) { + case -EALREADY: + LOG_DBG("[ALREADY SUBSCRIBED]"); + break; + // break; + // bt_gatt_unsubscribe(conn, &subscribe_params); + // return split_central_subscribe(conn); + case 0: LOG_DBG("[SUBSCRIBED]"); + break; + default: + LOG_ERR("Subscribe failed (err %d)", err); + break; } return 0; @@ -145,21 +154,17 @@ static void split_central_process_connection(struct bt_conn *conn) { return; } - if (conn == default_conn) { - if (subscribe_params.value) { - split_central_subscribe(conn); - } else { - discover_params.uuid = &uuid.uuid; - discover_params.func = split_central_discovery_func; - discover_params.start_handle = 0x0001; - discover_params.end_handle = 0xffff; - discover_params.type = BT_GATT_DISCOVER_PRIMARY; - - err = bt_gatt_discover(default_conn, &discover_params); - if (err) { - LOG_ERR("Discover failed(err %d)", err); - return; - } + if (conn == default_conn && !subscribe_params.value) { + discover_params.uuid = &uuid.uuid; + discover_params.func = split_central_discovery_func; + discover_params.start_handle = 0x0001; + discover_params.end_handle = 0xffff; + discover_params.type = BT_GATT_DISCOVER_PRIMARY; + + err = bt_gatt_discover(default_conn, &discover_params); + if (err) { + LOG_ERR("Discover failed(err %d)", err); + return; } } @@ -281,7 +286,7 @@ static void split_central_connected(struct bt_conn *conn, u8_t conn_err) if (conn_err) { - LOG_ERR("Failed to connect to %s (%u)", addr, conn_err); + LOG_ERR("Failed to connect to %s (%u)", log_strdup(addr), conn_err); bt_conn_unref(default_conn); default_conn = NULL; diff --git a/app/src/split/bluetooth/service.c b/app/src/split/bluetooth/service.c index 0a5ddb7..c2f65d2 100644 --- a/app/src/split/bluetooth/service.c +++ b/app/src/split/bluetooth/service.c @@ -6,6 +6,11 @@ #include <zephyr/types.h> #include <sys/util.h> + +#include <logging/log.h> + +LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); + #include <bluetooth/gatt.h> #include <bluetooth/uuid.h> @@ -28,6 +33,7 @@ static ssize_t split_svc_num_of_positions(struct bt_conn *conn, const struct bt_ static void split_svc_pos_state_ccc(const struct bt_gatt_attr *attr, u16_t value) { + LOG_DBG("value %d", value); } diff --git a/app/src/split_listener.c b/app/src/split_listener.c index ee59c48..1263807 100644 --- a/app/src/split_listener.c +++ b/app/src/split_listener.c @@ -25,9 +25,9 @@ int split_listener(const struct zmk_event_header *eh) if (is_position_state_changed(eh)) { const struct position_state_changed *ev = cast_position_state_changed(eh); if (ev->state) { - zmk_split_bt_position_pressed(ev->position); + return zmk_split_bt_position_pressed(ev->position); } else { - zmk_split_bt_position_released(ev->position); + return zmk_split_bt_position_released(ev->position); } } return 0; diff --git a/docs/docs/behavior/bluetooth.md b/docs/docs/behavior/bluetooth.md index f605c96..4a121a3 100644 --- a/docs/docs/behavior/bluetooth.md +++ b/docs/docs/behavior/bluetooth.md @@ -6,8 +6,8 @@ sidebar_label: Bluetooth ## Summary The bluetooth behavior allows management of various settings and states related to the bluetooth connection(s) -between the keyboard and the host. As of right now, there is only one such action support, but in the future -more will be added. +between the keyboard and the host. By default, ZMK supports five "profiles" for selecting which bonded host +computer/laptop/keyboard should receive the keyboard input; many of the commands here operation on those profiles. ## Bluetooth Command Defines @@ -22,16 +22,22 @@ This will allow you to reference the actions defined in this header such as `BT_ Here is a table describing the command for each define: -| Define | Action | -| -------------------- | --------------------------------------------------------- | -| `BT_CLEAR_BONDS_CMD` | Clear bond information between the keyboard and host [^1] | +| Define | Action | +| -------------------- | ---------------------------------------------------------------------------------------------- | +| `BT_CLEAR_BONDS_CMD` | Clear bond information between the keyboard and host for the selected profile [^1] | +| `BT_PROF_NEXT_CMD` | Switch to the next profile, cycling through to the first one when the end is reached. | +| `BT_PROF_PREV_CMD` | Switch to the previous profile, cycling through to the last one when the beginning is reached. | +| `BT_PROF_SEL_CMD` | Select the 0-indexed profile by number. | -Because future bluetooth commands will take an additional parameter, it is recommended to use -the following alias in your keymap to avoid having to change it later. +Because at least one bluetooth commands takes an additional parameter, it is recommended to use +the following aliases in your keymap to avoid having to specify an ignored second parameter: -| Define | Action | -| ---------------- | ---------------------------------------------------------------------- | -| `BT_CLEAR_BONDS` | Alias for `BT_CLEAR_BONDS_CMD 0` to clear the bond to the current host | +| Define | Action | +| ---------------- | ---------------------------------------------------------------------------------------- | +| `BT_CLEAR_BONDS` | Alias for `BT_CLEAR_BONDS_CMD 0` to clear the current profile's bond to the current host | +| `BT_PROF_NEXT` | Alias for `BT_PROF_NEXT_CMD 0` to select the next profile | +| `BT_PROF_PREV` | Alias for `BT_PROF_PREV_CMD 0` to select the previous profile | +| `BT_PROF_SEL` | Alias for `BT_PROF_SEL_CMD` to select the given profile, e.g. `&bt BT_PROF_SEL 1` | ## Bluetooth Behavior @@ -45,8 +51,26 @@ The bluetooth behavior completes an bluetooth action given on press. ### Examples -1. Behavior to clear the paired host: +1. Behavior binding to clear the paired host for the selected profile: ``` &bt BT_CLEAR_BONDS ``` + +1. Behavior binding to select the next profile: + + ``` + &bt BT_PROF_NEXT + ``` + +1. Behavior binding to select the previous profile: + + ``` + &bt BT_PROF_NEXT + ``` + +1. Behavior binding to select the 2nd profile (passed parameters are [zero based](https://en.wikipedia.org/wiki/Zero-based_numbering)): + + ``` + &bt BT_PROF_SEL 1 + ``` |