1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
#!/bin/sh
# SPDX-License-Identifier: AGPL-3.0-only
# Copyright 2022 Sxmo Contributors
# include common definitions
# shellcheck source=scripts/core/sxmo_common.sh
. sxmo_common.sh
# This hook enables the proximity lock.
finish() {
kill "$EVENTMONITORPID"
kill "$TAILPID"
rm "$tmp"
# De-activate thresholds
printf 0 > "$prox_path/events/in_proximity_thresh_falling_value"
# The in_proximity_scale affects the maximum threshold value
# (see static const int stk3310_ps_max[4])
printf 6553 > "$prox_path/events/in_proximity_thresh_rising_value"
sxmo_wakelock.sh unlock proximity_lock_running
sxmo_daemons.sh start state_change_bar sxmo_hook_statusbar.sh state_change
exec sxmo_hook_"$INITIALSTATE".sh
}
near() {
sxmo_debug "near"
sxmo_wm.sh dpms on
sxmo_wm.sh inputevent touchscreen off
printf proximitylock > "$SXMO_STATE"
}
far() {
sxmo_debug "far"
sxmo_wm.sh dpms off
sxmo_wm.sh inputevent touchscreen on
printf proximityunlock > "$SXMO_STATE"
}
exec 3<> "$SXMO_STATE.lock"
flock -x 3
sxmo_log "transitioning to stage proximitylock"
INITIALSTATE="$(cat "$SXMO_STATE")"
printf proximitylock > "$SXMO_STATE"
trap 'finish' TERM INT
sxmo_daemons.sh stop idle_locker
sxmo_wakelock.sh lock proximity_lock_running infinite
sxmo_daemons.sh start state_change_bar sxmo_hook_statusbar.sh state_change
# find the device
if [ -z "$SXMO_PROX_RAW_BUS" ]; then
prox_raw_bus="$(find /sys/devices/platform -name 'in_proximity_raw' | head -n1)"
else
prox_raw_bus="$SXMO_PROX_RAW_BUS"
fi
prox_path="$(dirname "$prox_raw_bus")"
prox_name="$(cat "$prox_path/name")" # e.g. stk3310
# set some sane defaults
printf "%d" "${SXMO_PROX_FALLING:-50}" > "$prox_path/events/in_proximity_thresh_falling_value"
printf "%d" "${SXMO_PROX_RISING:-100}" > "$prox_path/events/in_proximity_thresh_rising_value"
tmp="$(mktemp)"
# TODO: stdbuf not needed with linux-tools-iio >=5.17
stdbuf -o L iio_event_monitor "$prox_name" >> "$tmp" &
EVENTMONITORPID=$!
tail -f "$tmp" | while read -r line; do
if echo "$line" | grep -q rising; then
near
elif echo "$line" | grep -q falling; then
far
fi
done &
TAILPID=$!
initial_distance="$(cat "$prox_raw_bus")"
if [ "$initial_distance" -gt "${SXMO_PROX_FALLING:-50}" ]; then
near
elif [ "$initial_distance" -lt "${SXMO_PROX_RISING:-100}" ]; then
far
fi
wait
finish
|
