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Initial work on sensor bindings.

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This commit is contained in:
Pete Johanson 2020-07-22 02:13:52 -04:00
parent 5896c3032b
commit adfa1b5443
11 changed files with 203 additions and 3 deletions
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2
app/CMakeLists.txt
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@ -32,10 +32,12 @@ target_sources(app PRIVATE src/matrix_transform.c)
target_sources(app PRIVATE src/keymap.c)
target_sources(app PRIVATE src/hid_listener.c)
target_sources(app PRIVATE src/hid.c)
target_sources_ifdef(CONFIG_SENSOR app PRIVATE src/sensors.c)
target_sources(app PRIVATE src/event_manager.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_ifdef(CONFIG_SENSOR 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_mod_tap.c)

5
app/boards/shields/kyria/kyria.dtsi
View file

@ -76,6 +76,11 @@ RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(2,6) RC(2,7) RC(2,8) RC(2,9)
status = "disabled";
};
sensors {
compatible = "zmk,keymap-sensors";
sensors = <&left_encoder &right_encoder>;
};
// TODO: Encoder node(s)
// TODO: OLED node
// TODO: RGB node(s)

2
app/drivers/zephyr/ec11.h
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@ -36,7 +36,7 @@ struct ec11_data {
struct device *dev;
sensor_trigger_handler_t handler;
struct sensor_trigger trigger;
const struct sensor_trigger *trigger;
#if defined(CONFIG_EC11_TRIGGER_OWN_THREAD)
K_THREAD_STACK_MEMBER(thread_stack, CONFIG_EC11_THREAD_STACK_SIZE);

4
app/drivers/zephyr/ec11_trigger.c
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@ -83,7 +83,7 @@ static void ec11_thread_cb(void *arg)
struct device *dev = arg;
struct ec11_data *drv_data = dev->driver_data;
drv_data->handler(dev, &drv_data->trigger);
drv_data->handler(dev, drv_data->trigger);
setup_int(dev, true);
}
@ -125,7 +125,7 @@ int ec11_trigger_set(struct device *dev,
k_msleep(5);
drv_data->trigger = *trig;
drv_data->trigger = trig;
drv_data->handler = handler;
setup_int(dev, true);

9
app/dts/bindings/zmk,keymap-sensors.yaml Normal file
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@ -0,0 +1,9 @@
description: |
Allows defining the collection of sensors bound in the keymap layers
compatible: "zmk,keymap-sensors"
properties:
sensors:
type: phandles
required: true

3
app/dts/bindings/zmk,layers.yaml
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@ -13,3 +13,6 @@ child-binding:
bindings:
type: phandle-array
required: true
sensor-bindings:
type: phandle-array
required: false

19
app/include/zmk/events/sensor-event.h Normal file
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@ -0,0 +1,19 @@
/*
* Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com>
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <zephyr.h>
#include <zmk/event-manager.h>
#include <drivers/sensor.h>
struct sensor_event {
struct zmk_event_header header;
u8_t sensor_number;
struct sensor_value value;
};
ZMK_EVENT_DECLARE(sensor_event);

11
app/include/zmk/sensors.h Normal file
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@ -0,0 +1,11 @@
/*
* Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com>
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#define ZMK_KEYMAP_SENSORS_NODE DT_INST(0, zmk_keymap_sensors)
#define ZMK_KEYMAP_SENSORS_LEN DT_PROP_LEN(ZMK_KEYMAP_SENSORS_NODE, sensors)
#define ZMK_KEYMAP_SENSORS_BY_IDX(idx) DT_PHANDLE_BY_IDX(ZMK_KEYMAP_SENSORS_NODE, sensors, idx)

10
app/src/events/sensor_event.c Normal file
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@ -0,0 +1,10 @@
/*
* Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com>
*
* SPDX-License-Identifier: MIT
*/
#include <kernel.h>
#include <zmk/events/sensor-event.h>
ZMK_EVENT_IMPL(sensor_event);

52
app/src/keymap.c
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@ -4,6 +4,7 @@
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/matrix.h>
#include <zmk/sensors.h>
#include <zmk/keymap.h>
#include <dt-bindings/zmk/matrix-transform.h>
#include <drivers/behavior.h>
@ -11,6 +12,7 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/event-manager.h>
#include <zmk/events/position-state-changed.h>
#include <zmk/events/sensor-event.h>
static u32_t zmk_keymap_layer_state = 0;
static u8_t zmk_keymap_layer_default = 0;
@ -62,6 +64,51 @@ static struct zmk_behavior_binding zmk_keymap[ZMK_KEYMAP_LAYERS_LEN][ZMK_KEYMAP_
#endif
};
#define _TRANSFORM_SENSOR_ENTRY(idx, layer) \
{ .behavior_dev = DT_LABEL(DT_PHANDLE_BY_IDX(DT_PHANDLE_BY_IDX(ZMK_KEYMAP_NODE, layers, layer), sensor_bindings, idx)), \
.param1 = COND_CODE_0(DT_PHA_HAS_CELL_AT_IDX(LAYER_NODE(layer), sensor_bindings, idx, param1), (0), (DT_PHA_BY_IDX(LAYER_NODE(layer), sensor_bindings, idx, param1))), \
.param2 = COND_CODE_0(DT_PHA_HAS_CELL_AT_IDX(LAYER_NODE(layer), sensor_bindings, idx, param2), (0), (DT_PHA_BY_IDX(LAYER_NODE(layer), sensor_bindings, idx, param2))), \
},
#define SENSOR_LAYER(idx) \
COND_CODE_1(DT_NODE_HAS_PROP(DT_PHANDLE_BY_IDX(ZMK_KEYMAP_NODE, layers, idx), sensor_bindings), \
({ UTIL_LISTIFY(DT_PROP_LEN(DT_PHANDLE_BY_IDX(ZMK_KEYMAP_NODE, layers, idx), sensor_bindings), _TRANSFORM_SENSOR_ENTRY, idx) }), \
(NULL))
static struct zmk_behavior_binding zmk_sensor_keymap[ZMK_KEYMAP_LAYERS_LEN][ZMK_KEYMAP_SENSORS_LEN] = {
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 0)
SENSOR_LAYER(0),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 1)
SENSOR_LAYER(1),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 2)
SENSOR_LAYER(2),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 3)
SENSOR_LAYER(3),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 4)
SENSOR_LAYER(4),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 5)
SENSOR_LAYER(5),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 6)
SENSOR_LAYER(6),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 7)
SENSOR_LAYER(7),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 8)
SENSOR_LAYER(8),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 9)
SENSOR_LAYER(9),
#endif
};
#define SET_LAYER_STATE(layer, state) \
if (layer >= 32) \
{ \
@ -125,10 +172,15 @@ int keymap_listener(const struct zmk_event_header *eh)
if (is_position_state_changed(eh)) {
const struct position_state_changed *ev = cast_position_state_changed(eh);
zmk_keymap_position_state_changed(ev->position, ev->state);
} else if (is_sensor_event(eh)) {
const struct sensor_event *ev = cast_sensor_event(eh);
// TODO: DO SOMETHING WITH IT!
}
return 0;
}
ZMK_LISTENER(keymap, keymap_listener);
ZMK_SUBSCRIPTION(keymap, position_state_changed);
ZMK_SUBSCRIPTION(keymap, sensor_event);

89
app/src/sensors.c Normal file
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@ -0,0 +1,89 @@
/*
* Copyright (c) 2020 Peter Johanson
*
* SPDX-License-Identifier: MIT
*/
#include <drivers/sensor.h>
#include <devicetree.h>
#include <init.h>
#include <logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/sensors.h>
#include <zmk/event-manager.h>
#include <zmk/events/sensor-event.h>
struct sensors_data_item {
u8_t sensor_number;
struct device *dev;
struct sensor_trigger trigger;
};
#define _SENSOR_ITEM(node) {.dev = NULL, .trigger = { .type = SENSOR_TRIG_DELTA, .chan = SENSOR_CHAN_ROTATION } },
#define SENSOR_ITEM(node, _) COND_CODE_1(DT_NODE_HAS_STATUS(node,okay), (_SENSOR_ITEM(node)),())
static struct sensors_data_item sensors[] = {
UTIL_LISTIFY(ZMK_KEYMAP_SENSORS_LEN, SENSOR_ITEM, 0)
};
static void zmk_sensors_trigger_handler(struct device *dev, struct sensor_trigger *trigger)
{
int err;
struct sensor_value val;
struct sensors_data_item * item = CONTAINER_OF(trigger, struct sensors_data_item, trigger);
struct sensor_event *event;
LOG_DBG("sensor %d", item->sensor_number);
err = sensor_sample_fetch(dev);
if (err) {
LOG_WRN("Failed to fetch sample from device %d", err);
return;
}
event = new_sensor_event();
event->sensor_number = item->sensor_number;
err = sensor_channel_get(dev, SENSOR_CHAN_ROTATION, &event->value);
if (err) {
k_free(event);
LOG_WRN("Failed to get the value for the rotation channel: %d", err);
}
LOG_DBG("val1 %d val2 %d", val.val1, val.val2);
ZMK_EVENT_RAISE(event);
}
static void zmk_sensors_init_item(const char *node, u8_t i, u8_t abs_i)
{
LOG_DBG("Init %s at index %d with sensor_number %d", node, i, abs_i);
sensors[i].dev = device_get_binding(node);
sensors[i].sensor_number = abs_i;
if (!sensors[i].dev) {
LOG_ERR("Failed to find device for %s", node);
}
sensor_trigger_set(sensors[i].dev, &sensors[i].trigger, zmk_sensors_trigger_handler);
}
#define _SENSOR_INIT(node) zmk_sensors_init_item(DT_LABEL(node), local_index++, absolute_index++);
#define SENSOR_INIT(node, _i) COND_CODE_1(DT_NODE_HAS_STATUS(node,okay), (_SENSOR_INIT(node)),(absolute_index++;))
static int zmk_sensors_init(struct device *_arg)
{
int local_index = 0;
int absolute_index = 0;
UTIL_LISTIFY(ZMK_KEYMAP_SENSORS_LEN, SENSOR_INIT, 0)
return 0;
}
SYS_INIT(zmk_sensors_init,
APPLICATION,
CONFIG_APPLICATION_INIT_PRIORITY);