Aligns *.h and *.c to underscore naming convention. These were kept (with warnings) for backwards compatibility with external boards/shields: - kscan-mock.h - matrix-transform.h They should be removed in the future. PR: #523
85 lines
2.7 KiB
C
85 lines
2.7 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 <drivers/sensor.h>
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#include <devicetree.h>
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#include <init.h>
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#include <logging/log.h>
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
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#include <zmk/sensors.h>
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#include <zmk/event_manager.h>
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#include <zmk/events/sensor_event.h>
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#if ZMK_KEYMAP_HAS_SENSORS
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struct sensors_data_item {
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uint8_t sensor_number;
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const struct device *dev;
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struct sensor_trigger trigger;
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};
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#define _SENSOR_ITEM(node) \
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{.dev = NULL, .trigger = {.type = SENSOR_TRIG_DELTA, .chan = SENSOR_CHAN_ROTATION}},
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#define SENSOR_ITEM(idx, _) \
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COND_CODE_1(DT_NODE_HAS_STATUS(ZMK_KEYMAP_SENSORS_BY_IDX(idx), okay), \
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(_SENSOR_ITEM(ZMK_KEYMAP_SENSORS_BY_IDX(idx))), ())
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static struct sensors_data_item sensors[] = {UTIL_LISTIFY(ZMK_KEYMAP_SENSORS_LEN, SENSOR_ITEM, 0)};
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static void zmk_sensors_trigger_handler(const struct device *dev, struct sensor_trigger *trigger) {
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int err;
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struct sensors_data_item *item = CONTAINER_OF(trigger, struct sensors_data_item, trigger);
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struct sensor_event *event;
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LOG_DBG("sensor %d", item->sensor_number);
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err = sensor_sample_fetch(dev);
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if (err) {
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LOG_WRN("Failed to fetch sample from device %d", err);
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return;
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}
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event = new_sensor_event();
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event->sensor_number = item->sensor_number;
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event->sensor = dev;
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event->timestamp = k_uptime_get();
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ZMK_EVENT_RAISE(event);
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}
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static void zmk_sensors_init_item(const char *node, uint8_t i, uint8_t abs_i) {
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LOG_DBG("Init %s at index %d with sensor_number %d", node, i, abs_i);
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sensors[i].dev = device_get_binding(node);
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sensors[i].sensor_number = abs_i;
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if (!sensors[i].dev) {
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LOG_WRN("Failed to find device for %s", node);
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return;
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}
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sensor_trigger_set(sensors[i].dev, &sensors[i].trigger, zmk_sensors_trigger_handler);
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}
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#define _SENSOR_INIT(node) zmk_sensors_init_item(DT_LABEL(node), local_index++, absolute_index++);
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#define SENSOR_INIT(idx, _i) \
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COND_CODE_1(DT_NODE_HAS_STATUS(ZMK_KEYMAP_SENSORS_BY_IDX(idx), okay), \
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(_SENSOR_INIT(ZMK_KEYMAP_SENSORS_BY_IDX(idx))), (absolute_index++;))
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static int zmk_sensors_init(const struct device *_arg) {
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int local_index = 0;
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int absolute_index = 0;
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UTIL_LISTIFY(ZMK_KEYMAP_SENSORS_LEN, SENSOR_INIT, 0)
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return 0;
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}
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SYS_INIT(zmk_sensors_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);
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#endif /* ZMK_KEYMAP_HAS_SENSORS */ |