zmk/app/include/zmk/sensors.h
Stephen Wan 9d44229800 feature(split): add support for sensors from peripheral
This commit adds a new GATT characteristics on the peripheral side
and wires it up to read sensor values. The central side subscribes
to this new characteristics and replays sensor values on its side.

Co-authored-by: Peter Johanson <peter@peterjohanson.com>
2023-08-27 19:52:03 -07:00

32 lines
951 B
C

/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <zephyr/drivers/sensor.h>
#define ZMK_KEYMAP_SENSORS_NODE DT_INST(0, zmk_keymap_sensors)
#define ZMK_KEYMAP_HAS_SENSORS DT_NODE_HAS_STATUS(ZMK_KEYMAP_SENSORS_NODE, okay)
#define ZMK_KEYMAP_SENSORS_BY_IDX(idx) DT_PHANDLE_BY_IDX(ZMK_KEYMAP_SENSORS_NODE, sensors, idx)
#if ZMK_KEYMAP_HAS_SENSORS
#define ZMK_KEYMAP_SENSORS_LEN DT_PROP_LEN(ZMK_KEYMAP_SENSORS_NODE, sensors)
#else
#define ZMK_KEYMAP_SENSORS_LEN 0
#endif
const struct zmk_sensor_config *zmk_sensors_get_config_at_index(uint8_t sensor_index);
struct zmk_sensor_config {
uint16_t triggers_per_rotation;
};
// This struct is also used for data transfer for splits, so any changes to the size, layout, etc
// is a breaking change for the split GATT service protocol.
struct zmk_sensor_channel_data {
struct sensor_value value;
enum sensor_channel channel;
} __packed;