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authorjacqueline <me@jacqueline.id.au>2024-05-02 19:12:26 +1000
committerjacqueline <me@jacqueline.id.au>2024-05-02 19:12:26 +1000
commit1573a8c4cde1cd9528b422b2dcc598e37ffe94a7 (patch)
treed162822b8fd7054f81bace0c7a65ab4d5e6f93ef /src/input/input_trigger.cpp
parenta231fd1c8afedbeb14b0bc77d76bad61db986059 (diff)
downloadtangara-fw-1573a8c4cde1cd9528b422b2dcc598e37ffe94a7.tar.gz
WIP merge cyclically dependent components into one big component
Diffstat (limited to 'src/input/input_trigger.cpp')
-rw-r--r--src/input/input_trigger.cpp88
1 files changed, 0 insertions, 88 deletions
diff --git a/src/input/input_trigger.cpp b/src/input/input_trigger.cpp
deleted file mode 100644
index 00d4a32d..00000000
--- a/src/input/input_trigger.cpp
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright 2024 jacqueline <me@jacqueline.id.au>
- *
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-#include "input_trigger.hpp"
-#include <sys/_stdint.h>
-
-#include <cstdint>
-#include "esp_timer.h"
-
-namespace input {
-
-Trigger::Trigger()
- : touch_time_ms_(),
- was_pressed_(false),
- was_double_click_(false),
- times_long_pressed_(0) {}
-
-auto Trigger::update(bool is_pressed) -> State {
- // Bail out early if we're in a steady-state of not pressed.
- if (!is_pressed && !was_pressed_) {
- was_double_click_ = false;
- times_long_pressed_ = 0;
- return State::kNone;
- }
-
- uint64_t now_ms = esp_timer_get_time() / 1000;
-
- // This key wasn't being pressed, but now it is.
- if (is_pressed && !was_pressed_) {
- // Is this a double click?
- if (now_ms - *touch_time_ms_ < kDoubleClickDelayMs) {
- // Don't update touch_time_ms_, since we don't want triple clicks to
- // register as double clicks.
- was_double_click_ = true;
- was_pressed_ = true;
- return State::kDoubleClick;
- }
- // Not a double click; update our accounting info and wait for the next
- // call.
- touch_time_ms_ = now_ms;
- was_double_click_ = false;
- times_long_pressed_ = 0;
- was_pressed_ = true;
- return State::kNone;
- }
-
- // The key was released. If there were no long-press events fired during the
- // press, then this was a standard click.
- if (!is_pressed && was_pressed_) {
- was_pressed_ = false;
- if (!was_double_click_ && times_long_pressed_ == 0) {
- return State::kClick;
- } else {
- return State::kNone;
- }
- }
-
- // Now the more complicated case: the user is continuing to press the button.
- if (times_long_pressed_ == 0) {
- // We haven't fired yet, so we wait for the long-press event.
- if (now_ms - *touch_time_ms_ >= kLongPressDelayMs) {
- times_long_pressed_++;
- return State::kLongPress;
- }
- } else {
- // We've already fired at least once. How long has the user been holding
- // the key for?
- uint64_t time_since_long_press =
- now_ms - (*touch_time_ms_ + kLongPressDelayMs);
-
- // How many times should we have fired?
- // 1 initial fire (for the long-press), plus one additional fire every
- // kRepeatDelayMs since the long-press event.
- uint16_t expected_times_fired =
- 1 + (time_since_long_press / kRepeatDelayMs);
- if (times_long_pressed_ < expected_times_fired) {
- times_long_pressed_++;
- return State::kRepeatPress;
- }
- }
-
- return State::kNone;
-}
-
-} // namespace input