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111, 112 Backlight handling improve #113

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merged 4 commits into from
Aug 14, 2024
Merged

111, 112 Backlight handling improve #113

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fb59125
Fix and enhancement
hijae Aug 11, 2024
6314033
get close enough to 100%, adjust 9step to 8step
hijae Aug 12, 2024
1faf893
use a step counter in the loop
hijae Aug 13, 2024
935f87c
Modified to match clang-format
hijae Aug 13, 2024
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23 changes: 18 additions & 5 deletions lib/M5ez/src/M5ez.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -793,6 +793,7 @@ void ezSettings::defaults() {
uint8_t ezBacklight::_brightness;
uint8_t ezBacklight::_inactivity;
uint32_t ezBacklight::_last_activity;
uint8_t ezBacklight::_MinimumBrightness;
bool ezBacklight::_backlight_off = false;

void ezBacklight::begin() {
Expand All @@ -801,7 +802,19 @@ void ezBacklight::begin() {
Preferences prefs;
prefs.begin("M5ez", true); // read-only
_brightness = prefs.getUChar("brightness", 128);
if (_brightness < 48) {
switch (M5.getBoard()) {
case m5::board_t::board_M5StickCPlus2:
case m5::board_t::board_M5StackCore2:
_MinimumBrightness = 16;
break;
case m5::board_t::board_M5StickCPlus:
case m5::board_t::board_M5StickC:
_MinimumBrightness = 48;
break;
default:
_MinimumBrightness = 64;
}
if (_brightness < _MinimumBrightness) {
_brightness = 100;
}
_inactivity = prefs.getUChar("inactivity", 1);
Expand All @@ -826,10 +839,10 @@ void ezBacklight::menu() {
while (true) {
String b = ez.buttons.poll();
if (b == "Adjust") {
if (_brightness >= 48 && _brightness < 248)
_brightness += 20;
if (_brightness >= _MinimumBrightness && _brightness < (255 - _MinimumBrightness))
_brightness += (255 - _MinimumBrightness) / 8;
else
_brightness = 48;
_brightness = _MinimumBrightness + (255 - _MinimumBrightness) / 8;
}
float p = float(_brightness) / 2.48;
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bl.value(p);
Expand Down Expand Up @@ -907,7 +920,7 @@ uint16_t ezBacklight::loop(void *private_data) {
if (!_backlight_off && _inactivity) {
if (millis() > _last_activity + 30000 * _inactivity) {
_backlight_off = true;
M5.Display.setBrightness(64);
M5.Display.setBrightness(_MinimumBrightness);
changeCpuPower(true);
while (true) {
if (M5.BtnA.wasClicked() || M5.BtnB.wasClicked())
Expand Down
1 change: 1 addition & 0 deletions lib/M5ez/src/M5ez.h
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Expand Up @@ -509,6 +509,7 @@ class ezBacklight {
static uint8_t _brightness;
static uint8_t _inactivity;
static uint32_t _last_activity;
static uint8_t _MinimumBrightness;
static bool _backlight_off;
//
};
Expand Down