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@ -17,13 +17,15 @@
@@ -17,13 +17,15 @@
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); |
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#include <zmk/split/bluetooth/uuid.h> |
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#include <zmk/event-manager.h> |
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#include <zmk/events/position-state-changed.h> |
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#include <init.h> |
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static int start_scan(void); |
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static struct bt_conn *default_conn; |
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static struct bt_uuid_16 uuid = BT_UUID_INIT_16(0); |
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static struct bt_uuid_128 uuid = BT_UUID_INIT_128(ZMK_SPLIT_BT_SERVICE_UUID); |
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static struct bt_gatt_discover_params discover_params; |
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static struct bt_gatt_subscribe_params subscribe_params; |
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@ -31,6 +33,10 @@ static u8_t notify_func(struct bt_conn *conn,
@@ -31,6 +33,10 @@ static u8_t notify_func(struct bt_conn *conn,
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struct bt_gatt_subscribe_params *params, |
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const void *data, u16_t length) |
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{ |
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static u8_t position_state[16]; |
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u8_t changed_positions[16]; |
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if (!data) { |
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LOG_DBG("[UNSUBSCRIBED]"); |
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params->value_handle = 0U; |
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@ -39,6 +45,27 @@ static u8_t notify_func(struct bt_conn *conn,
@@ -39,6 +45,27 @@ static u8_t notify_func(struct bt_conn *conn,
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LOG_DBG("[NOTIFICATION] data %p length %u", data, length); |
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for (int i = 0; i < 16; i++) { |
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changed_positions[i] = ((u8_t *)data)[i] ^ position_state[i]; |
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position_state[i] = ((u8_t *)data)[i]; |
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} |
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for (int i = 0; i < 16; i++) { |
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for (int j = 0; j < 8; j++) { |
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if (changed_positions[i] & BIT(j)) { |
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u32_t position = (i * 8) + j; |
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bool pressed = position_state[i] & BIT(j); |
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struct position_state_changed *pos_ev = new_position_state_changed(); |
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pos_ev->position = position; |
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pos_ev->state = pressed; |
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LOG_DBG("Trigger key position state change for %d", position); |
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ZMK_EVENT_RAISE(pos_ev); |
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} |
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} |
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} |
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return BT_GATT_ITER_CONTINUE; |
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} |
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@ -96,6 +123,32 @@ static u8_t discover_func(struct bt_conn *conn,
@@ -96,6 +123,32 @@ static u8_t discover_func(struct bt_conn *conn,
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return BT_GATT_ITER_STOP; |
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} |
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static void split_central_process_connection(struct bt_conn *conn) { |
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int err; |
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LOG_DBG("Current security for connection: %d", bt_conn_get_security(conn)); |
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err = bt_conn_set_security(conn, BT_SECURITY_L2); |
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if (err) { |
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LOG_ERR("Failed to set security (reason %d)", err); |
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return; |
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} |
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if (conn == default_conn) { |
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discover_params.uuid = &uuid.uuid; |
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discover_params.func = discover_func; |
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discover_params.start_handle = 0x0001; |
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discover_params.end_handle = 0xffff; |
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discover_params.type = BT_GATT_DISCOVER_PRIMARY; |
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err = bt_gatt_discover(default_conn, &discover_params); |
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if (err) { |
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LOG_ERR("Discover failed(err %d)", err); |
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return; |
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} |
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} |
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} |
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static bool eir_found(struct bt_data *data, void *user_data) |
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{ |
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bt_addr_le_t *addr = user_data; |
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@ -114,7 +167,6 @@ static bool eir_found(struct bt_data *data, void *user_data)
@@ -114,7 +167,6 @@ static bool eir_found(struct bt_data *data, void *user_data)
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for (i = 0; i < data->data_len; i += 16) { |
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struct bt_le_conn_param *param; |
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struct bt_uuid uuid; |
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char uuid_str[BT_UUID_STR_LEN]; |
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int err; |
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if (!bt_uuid_create(&uuid, &data->data[i], 16)) { |
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@ -122,24 +174,36 @@ static bool eir_found(struct bt_data *data, void *user_data)
@@ -122,24 +174,36 @@ static bool eir_found(struct bt_data *data, void *user_data)
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continue; |
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} |
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if (bt_uuid_cmp(&uuid, BT_UUID_DECLARE_128(ZMK_SPLIT_BT_SERVICE_UUID))) { |
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if (!bt_uuid_cmp(&uuid, BT_UUID_DECLARE_128(ZMK_SPLIT_BT_SERVICE_UUID))) { |
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char uuid_str[BT_UUID_STR_LEN]; |
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char service_uuid_str[BT_UUID_STR_LEN]; |
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bt_uuid_to_str(&uuid, uuid_str, sizeof(uuid_str)); |
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LOG_DBG("UUID does not match split UUID: %s", log_strdup(uuid_str)); |
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bt_uuid_to_str(BT_UUID_DECLARE_128(ZMK_SPLIT_BT_SERVICE_UUID), service_uuid_str, sizeof(service_uuid_str)); |
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LOG_DBG("UUID %s does not match split UUID: %s", log_strdup(uuid_str), log_strdup(service_uuid_str)); |
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continue; |
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} |
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LOG_DBG("Found the split service"); |
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err = bt_le_scan_stop(); |
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if (err) { |
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LOG_ERR("Stop LE scan failed (err %d)", err); |
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continue; |
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} |
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param = BT_LE_CONN_PARAM_DEFAULT; |
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err = bt_conn_le_create(addr, BT_CONN_LE_CREATE_CONN, |
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param, &default_conn); |
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if (err) { |
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LOG_ERR("Create conn failed (err %d)", err); |
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start_scan(); |
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default_conn = bt_conn_lookup_addr_le(BT_ID_DEFAULT, addr); |
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if (default_conn) { |
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LOG_DBG("Found existing connection"); |
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split_central_process_connection(default_conn); |
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} else { |
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param = BT_LE_CONN_PARAM_DEFAULT; |
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err = bt_conn_le_create(addr, BT_CONN_LE_CREATE_CONN, |
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param, &default_conn); |
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if (err) { |
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LOG_ERR("Create conn failed (err %d)", err); |
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start_scan(); |
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} |
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} |
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return false; |
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@ -179,7 +243,7 @@ static int start_scan(void)
@@ -179,7 +243,7 @@ static int start_scan(void)
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return 0; |
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} |
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static void connected(struct bt_conn *conn, u8_t conn_err) |
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static void split_central_connected(struct bt_conn *conn, u8_t conn_err) |
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{ |
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char addr[BT_ADDR_LE_STR_LEN]; |
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int err; |
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@ -196,31 +260,20 @@ static void connected(struct bt_conn *conn, u8_t conn_err)
@@ -196,31 +260,20 @@ static void connected(struct bt_conn *conn, u8_t conn_err)
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return; |
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} |
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LOG_DBG("Connected: %s", addr); |
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LOG_DBG("Connected: %s", log_strdup(addr)); |
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if (conn == default_conn) { |
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memcpy(&uuid, BT_UUID_HRS, sizeof(uuid)); |
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discover_params.uuid = &uuid.uuid; |
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discover_params.func = discover_func; |
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discover_params.start_handle = 0x0001; |
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discover_params.end_handle = 0xffff; |
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discover_params.type = BT_GATT_DISCOVER_PRIMARY; |
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err = bt_gatt_discover(default_conn, &discover_params); |
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if (err) { |
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LOG_ERR("Discover failed(err %d)", err); |
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return; |
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} |
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} |
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split_central_process_connection(conn); |
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} |
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static void disconnected(struct bt_conn *conn, u8_t reason) |
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static void split_central_disconnected(struct bt_conn *conn, u8_t reason) |
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{ |
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char addr[BT_ADDR_LE_STR_LEN]; |
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bt_addr_le_to_str(bt_conn_get_dst(conn), addr, sizeof(addr)); |
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LOG_DBG("Disconnected: %s (reason 0x%02x)", addr, reason); |
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LOG_DBG("Disconnected: %s (reason %d)", log_strdup(addr), reason); |
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if (default_conn != conn) { |
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return; |
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@ -233,8 +286,8 @@ static void disconnected(struct bt_conn *conn, u8_t reason)
@@ -233,8 +286,8 @@ static void disconnected(struct bt_conn *conn, u8_t reason)
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} |
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static struct bt_conn_cb conn_callbacks = { |
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.connected = connected, |
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.disconnected = disconnected, |
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.connected = split_central_connected, |
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.disconnected = split_central_disconnected, |
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}; |
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int zmk_split_bt_central_init(struct device *_arg) |
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@ -246,4 +299,4 @@ int zmk_split_bt_central_init(struct device *_arg)
@@ -246,4 +299,4 @@ int zmk_split_bt_central_init(struct device *_arg)
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SYS_INIT(zmk_split_bt_central_init, |
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APPLICATION, |
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CONFIG_APPLICATION_INIT_PRIORITY); |
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CONFIG_ZMK_BLE_INIT_PRIORITY); |