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T-Lora Pager (#7613)
* initial commit * preset rotary1 encoder * define TAB+ESC * haptic feedback * allow switch off haptic feedback * enable audio amplifier * include PR4684 * fix for tft target * add ES8311 audio codec * fix KB scan duplicate * display workaround to avoid debris * fix debris on display * keyboard backlight * enable screen options * fsm based bounce-free rotary encoder implementation * use fsm RotaryEncoder only for T-Lora Pager * change inputbroker default config to allow using rotary wheel for screens AND menues --------- Co-authored-by: Thomas Göttgens <tgoettgens@gmail.com> Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
Manuel
GitHub
230
src/input/TLoraPagerKeyboard.cpp
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230
src/input/TLoraPagerKeyboard.cpp
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#if defined(T_LORA_PAGER)
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#include "TLoraPagerKeyboard.h"
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#include "main.h"
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#ifndef LEDC_BACKLIGHT_CHANNEL
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#define LEDC_BACKLIGHT_CHANNEL 4
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#endif
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#ifndef LEDC_BACKLIGHT_BIT_WIDTH
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#define LEDC_BACKLIGHT_BIT_WIDTH 8
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#endif
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#ifndef LEDC_BACKLIGHT_FREQ
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#define LEDC_BACKLIGHT_FREQ 1000 // Hz
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#endif
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#define _TCA8418_COLS 10
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#define _TCA8418_ROWS 4
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#define _TCA8418_NUM_KEYS 31
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#define _TCA8418_MULTI_TAP_THRESHOLD 1500
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using Key = TCA8418KeyboardBase::TCA8418Key;
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constexpr uint8_t modifierRightShiftKey = 29 - 1; // keynum -1
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constexpr uint8_t modifierRightShift = 0b0001;
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constexpr uint8_t modifierSymKey = 21 - 1;
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constexpr uint8_t modifierSym = 0b0010;
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// Num chars per key, Modulus for rotating through characters
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static uint8_t TLoraPagerTapMod[_TCA8418_NUM_KEYS] = {3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3};
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static unsigned char TLoraPagerTapMap[_TCA8418_NUM_KEYS][3] = {{'q', 'Q', '1'},
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{'w', 'W', '2'},
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{'e', 'E', '3'},
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{'r', 'R', '4'},
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{'t', 'T', '5'},
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{'y', 'Y', '6'},
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{'u', 'U', '7'},
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{'i', 'I', '8'},
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{'o', 'O', '9'},
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{'p', 'P', '0'},
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{'a', 'A', '*'},
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{'s', 'S', '/'},
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{'d', 'D', '+'},
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{'f', 'F', '-'},
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{'g', 'G', '='},
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{'h', 'H', ':'},
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{'j', 'J', '\''},
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{'k', 'K', '"'},
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{'l', 'L', '@'},
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{Key::SELECT, 0x00, Key::TAB},
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{0x00, 0x00, 0x00},
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{'z', 'Z', '_'},
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{'x', 'X', '$'},
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{'c', 'C', ';'},
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{'v', 'V', '?'},
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{'b', 'B', '!'},
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{'n', 'N', ','},
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{'m', 'M', '.'},
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{0x00, 0x00, 0x00},
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{Key::BSP, 0x00, Key::ESC},
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{' ', 0x00, Key::BL_TOGGLE}};
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TLoraPagerKeyboard::TLoraPagerKeyboard()
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: TCA8418KeyboardBase(_TCA8418_ROWS, _TCA8418_COLS), modifierFlag(0), last_modifier_time(0), last_key(-1), next_key(-1),
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last_tap(0L), char_idx(0), tap_interval(0)
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{
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
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ledcAttach(KB_BL_PIN, LEDC_BACKLIGHT_FREQ, LEDC_BACKLIGHT_BIT_WIDTH);
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#else
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ledcSetup(LEDC_BACKLIGHT_CHANNEL, LEDC_BACKLIGHT_FREQ, LEDC_BACKLIGHT_BIT_WIDTH);
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ledcAttachPin(KB_BL_PIN, LEDC_BACKLIGHT_CHANNEL);
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#endif
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reset();
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}
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void TLoraPagerKeyboard::reset(void)
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{
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TCA8418KeyboardBase::reset();
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pinMode(KB_BL_PIN, OUTPUT);
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digitalWrite(KB_BL_PIN, LOW);
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setBacklight(false);
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}
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// handle multi-key presses (shift and alt)
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void TLoraPagerKeyboard::trigger()
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{
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uint8_t count = keyCount();
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if (count == 0)
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return;
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for (uint8_t i = 0; i < count; ++i) {
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uint8_t k = readRegister(TCA8418_REG_KEY_EVENT_A + i);
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uint8_t key = k & 0x7F;
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if (k & 0x80) {
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pressed(key);
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} else {
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released();
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state = Idle;
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}
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}
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}
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void TLoraPagerKeyboard::setBacklight(bool on)
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{
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toggleBacklight(!on);
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}
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void TLoraPagerKeyboard::pressed(uint8_t key)
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{
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if (state == Init || state == Busy) {
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return;
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}
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if (config.device.buzzer_mode == meshtastic_Config_DeviceConfig_BuzzerMode_ALL_ENABLED ||
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config.device.buzzer_mode == meshtastic_Config_DeviceConfig_BuzzerMode_SYSTEM_ONLY) {
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hapticFeedback();
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}
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if (modifierFlag && (millis() - last_modifier_time > _TCA8418_MULTI_TAP_THRESHOLD)) {
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modifierFlag = 0;
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}
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uint8_t next_key = 0;
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int row = (key - 1) / 10;
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int col = (key - 1) % 10;
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if (row >= _TCA8418_ROWS || col >= _TCA8418_COLS) {
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return; // Invalid key
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}
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next_key = row * _TCA8418_COLS + col;
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state = Held;
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uint32_t now = millis();
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tap_interval = now - last_tap;
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updateModifierFlag(next_key);
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if (isModifierKey(next_key)) {
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last_modifier_time = now;
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}
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if (tap_interval < 0) {
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last_tap = 0;
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state = Busy;
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return;
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}
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if (next_key != last_key || tap_interval > _TCA8418_MULTI_TAP_THRESHOLD) {
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char_idx = 0;
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} else {
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char_idx += 1;
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}
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last_key = next_key;
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last_tap = now;
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}
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void TLoraPagerKeyboard::released()
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{
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if (state != Held) {
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return;
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}
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if (last_key < 0 || last_key >= _TCA8418_NUM_KEYS) {
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last_key = -1;
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state = Idle;
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return;
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}
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uint32_t now = millis();
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last_tap = now;
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if (TLoraPagerTapMap[last_key][modifierFlag % TLoraPagerTapMod[last_key]] == Key::BL_TOGGLE) {
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toggleBacklight();
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return;
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}
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queueEvent(TLoraPagerTapMap[last_key][modifierFlag % TLoraPagerTapMod[last_key]]);
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if (isModifierKey(last_key) == false)
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modifierFlag = 0;
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}
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void TLoraPagerKeyboard::hapticFeedback()
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{
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drv.setWaveform(0, 14); // strong buzz 100%
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drv.setWaveform(1, 0); // end waveform
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drv.go();
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}
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// toggle brightness of the backlight in three steps
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void TLoraPagerKeyboard::toggleBacklight(bool off)
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{
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static uint32_t brightness = 0;
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if (off) {
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brightness = 0;
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} else {
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if (brightness == 0) {
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brightness = 40;
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} else if (brightness == 40) {
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brightness = 127;
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} else if (brightness >= 127) {
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brightness = 0;
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}
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}
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LOG_DEBUG("Toggle backlight: %d", brightness);
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
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ledcWrite(KB_BL_PIN, brightness);
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#else
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ledcWrite(LEDC_BACKLIGHT_CHANNEL, brightness);
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#endif
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}
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void TLoraPagerKeyboard::updateModifierFlag(uint8_t key)
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{
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if (key == modifierRightShiftKey) {
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modifierFlag ^= modifierRightShift;
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} else if (key == modifierSymKey) {
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modifierFlag ^= modifierSym;
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}
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}
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bool TLoraPagerKeyboard::isModifierKey(uint8_t key)
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{
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return (key == modifierRightShiftKey || key == modifierSymKey);
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}
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#endif
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