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Dynamically calculate number of telemetry lines

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Todd Herbert 2025-01-14 22:15:09 +13:00 committed by todd-herbert
parent f9876cfe9c
commit b51b8e0369
1 changed files with 12 additions and 2 deletions
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14
src/modules/Telemetry/EnvironmentTelemetry.cpp
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@ -278,8 +278,18 @@ void EnvironmentTelemetryModule::drawFrame(OLEDDisplay *display, OLEDDisplayUiSt
static bool scrollingDown = true;
static uint32_t lastScrollTime = millis();
// Draw up to 3 sensor data lines
int linesToShow = min(3, sensorCount);
// Determine how many lines we can fit on display
// Calculated once only: display dimensions don't change during runtime.
static int maxLines = 0;
if (!maxLines) {
const int16_t paddingTop = _fontHeight(FONT_SMALL); // Heading text
const int16_t paddingBottom = 8; // Indicator dots
maxLines = (display->getHeight() - paddingTop - paddingBottom) / _fontHeight(FONT_SMALL);
assert(maxLines > 0);
}
// Draw as many lines of data as we can fit
int linesToShow = min(maxLines, sensorCount);
for (int i = 0; i < linesToShow; i++) {
int index = (scrollOffset + i) % sensorCount;
display->drawString(x, y += _fontHeight(FONT_SMALL), sensorData[index]);