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Text battery display option #1236

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Text battery display option #1236

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59 changes: 40 additions & 19 deletions examples/companion_radio/ui-new/UITask.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -102,29 +102,50 @@ class HomeScreen : public UIScreen {


void renderBatteryIndicator(DisplayDriver& display, uint16_t batteryMilliVolts) {
// Convert millivolts to percentage
const int minMilliVolts = 3000; // Minimum voltage (e.g., 3.0V)
const int maxMilliVolts = 4200; // Maximum voltage (e.g., 4.2V)
int minMilliVolts = 3000;
#ifdef AUTO_SHUTDOWN_MILLIVOLTS
minMilliVolts = AUTO_SHUTDOWN_MILLIVOLTS;
#endif

const int maxMilliVolts = 4200;
int batteryPercentage = ((batteryMilliVolts - minMilliVolts) * 100) / (maxMilliVolts - minMilliVolts);
if (batteryPercentage < 0) batteryPercentage = 0; // Clamp to 0%
if (batteryPercentage > 100) batteryPercentage = 100; // Clamp to 100%

// battery icon
int iconWidth = 24;
int iconHeight = 10;
int iconX = display.width() - iconWidth - 5; // Position the icon near the top-right corner
int iconY = 0;
display.setColor(DisplayDriver::GREEN);
batteryPercentage = constrain(batteryPercentage, 0, 100);

#ifdef TEXT_BATTERY
// ===== TEXT BATTERY =====
int battBackWidth = 24;
int battBackHeight = 10;
int battBackStartPosY = 0;
int battBackStartPosX = display.width() - battBackWidth - 5;

String batteryPercText = String(batteryPercentage) + "%";
int battTextStartPosX = display.width() - 5;

display.setColor(DisplayDriver::DARK);
display.fillRect(battBackStartPosX, battBackStartPosY, battBackWidth, battBackHeight);
display.setTextSize(1);
display.setColor(DisplayDriver::GREEN);
display.drawTextRightAlign(battTextStartPosX, 1, batteryPercText.c_str());

#else
// ===== ICON BATTERY =====
int iconWidth = 24;
int iconHeight = 10;
int iconX = display.width() - iconWidth - 5;
int iconY = 0;

display.setColor(DisplayDriver::GREEN);

// battery outline
display.drawRect(iconX, iconY, iconWidth, iconHeight);
// outline
display.drawRect(iconX, iconY, iconWidth, iconHeight);

// battery "cap"
display.fillRect(iconX + iconWidth, iconY + (iconHeight / 4), 3, iconHeight / 2);
// cap
display.fillRect(iconX + iconWidth, iconY + (iconHeight / 4), 3, iconHeight / 2);

// fill the battery based on the percentage
int fillWidth = (batteryPercentage * (iconWidth - 4)) / 100;
display.fillRect(iconX + 2, iconY + 2, fillWidth, iconHeight - 4);
// fill
int fillWidth = (batteryPercentage * (iconWidth - 4)) / 100;
display.fillRect(iconX + 2, iconY + 2, fillWidth, iconHeight - 4);
#endif
}

CayenneLPP sensors_lpp;
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