55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/*
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* Copyright (c) 2020 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <zephyr/types.h>
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#include <sys/util.h>
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#include <bluetooth/gatt.h>
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#include <bluetooth/uuid.h>
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#include <zmk/matrix.h>
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#include <zmk/split/bluetooth/uuid.h>
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#include <zmk/split/bluetooth/service.h>
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static u8_t num_of_positions = ZMK_KEYMAP_LEN;
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static u8_t position_state[16];
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static ssize_t split_svc_pos_state(struct bt_conn *conn, const struct bt_gatt_attr *attrs, void *buf, u16_t len, u16_t offset)
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{
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return bt_gatt_attr_read(conn, attrs, buf, len, offset, &position_state, sizeof(position_state));
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}
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static ssize_t split_svc_num_of_positions(struct bt_conn *conn, const struct bt_gatt_attr *attrs, void *buf, u16_t len, u16_t offset)
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{
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return bt_gatt_attr_read(conn, attrs, buf, len, offset, attrs->user_data, sizeof(u8_t));
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}
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static void split_svc_pos_state_ccc(const struct bt_gatt_attr *attr, u16_t value)
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{
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}
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BT_GATT_SERVICE_DEFINE(split_svc,
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BT_GATT_PRIMARY_SERVICE(BT_UUID_DECLARE_128(ZMK_SPLIT_BT_SERVICE_UUID)),
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BT_GATT_CHARACTERISTIC(BT_UUID_DECLARE_128(ZMK_SPLIT_BT_CHAR_POSITION_STATE_UUID), BT_GATT_CHRC_READ | BT_GATT_CHRC_NOTIFY,
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BT_GATT_PERM_READ_ENCRYPT,
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split_svc_pos_state, NULL, &position_state),
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BT_GATT_CCC(split_svc_pos_state_ccc,
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BT_GATT_PERM_READ_ENCRYPT | BT_GATT_PERM_WRITE_ENCRYPT),
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BT_GATT_DESCRIPTOR(BT_UUID_NUM_OF_DIGITALS, BT_GATT_PERM_READ,
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split_svc_num_of_positions, NULL, &num_of_positions),
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);
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int zmk_split_bt_position_pressed(u8_t position)
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{
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WRITE_BIT(position_state[position / 8], position % 8, true);
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return bt_gatt_notify(NULL, &split_svc.attrs[1], &position_state, sizeof(position_state));
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}
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int zmk_split_bt_position_released(u8_t position)
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{
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WRITE_BIT(position_state[position / 8], position % 8, false);
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return bt_gatt_notify(NULL, &split_svc.attrs[1], &position_state, sizeof(position_state));
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} |