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92526fca23
* Add "Scan and Select" input method for canned messages * Adapt canned message drawing if USE_EINK * Indicate current selection with indent rather than inverse text * Avoid large text on "sending" and delivery report pop-ups * Fit SNR and RSSI details on screen * Change hash function which detects changes in E-Ink images The old function struggled to distingush between images on the canned-message frame, failing to update when scrolling between messages. No real justification for the new algorithm, other than "it works" and doesn't seem "too expensive". For context, this function runs once a second. * Use canned messages (scan and select) by default with HT-VME213 and HT-VME290 * Guard for HAS_SCREEN
50 lines
2.4 KiB
C++
50 lines
2.4 KiB
C++
/*
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A "single button" input method for Canned Messages
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- Short press to cycle through messages
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- Long Press to send
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To use:
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- set "allow input source" to "scanAndSelect"
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- set the single button's GPIO as either pin A, pin B, or pin Press
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Originally designed to make use of "extra" built-in button on some boards.
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Non-intrusive; suitable for use as a default module config.
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*/
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#pragma once
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#include "concurrency/OSThread.h"
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#include "main.h"
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// Normally these input methods are protected by guarding in setupModules
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// In order to have the user button dismiss the canned message frame, this class lightly interacts with the Screen class
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#if HAS_SCREEN
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class ScanAndSelectInput : public Observable<const InputEvent *>, public concurrency::OSThread
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{
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public:
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ScanAndSelectInput(); // No-op constructor, only initializes OSThread base class
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bool init(); // Attempt to setup class; true if success. Instance deleted if setup fails
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bool dismissCannedMessageFrame(); // Remove the canned message frame from screen. True if frame was open, and now closed.
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void alertNoMessage(); // Inform user (screen) that no canned messages have been added
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protected:
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int32_t runOnce() override; // Runs at regular intervals, when enabled
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void enableThread(); // Begin running runOnce at regular intervals
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static void handleChangeInterrupt(); // Calls enableThread from pin change interrupt
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void shortPress(); // Code to run when short press fires
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void longPress(); // Code to run when long press fires
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void raiseEvent(_meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar key); // Feed input to canned message module
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bool held = false; // Have we handled a change in button state?
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bool longPressFired = false; // Long press fires while button still held. This bool ensures the release is no-op
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uint32_t downSinceMs = 0; // Debouncing for short press, timing for long press
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uint8_t pin = -1; // Read from cannned message config during init
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bool alertingNoMessage = false; // Is the "no canned messages" alert shown on screen?
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uint32_t alertingSinceMs = 0; // Used to dismiss the "no canned message" alert several seconds
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};
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extern ScanAndSelectInput *scanAndSelectInput; // Instantiated in setupModules method. Deleted if unused, or init() fails
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#endif |