From d2dbeee6581c7dee29cc0d1704c5416a0fb527cf Mon Sep 17 00:00:00 2001
From: "Ben V. Brown" <Ralim@Ralimtek.com>
Date: Tue, 22 Nov 2022 18:07:32 +1100
Subject: [PATCH] Create drawPowerSourceIcon.cpp

---
 .../utils/drawPowerSourceIcon.cpp             | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 source/Core/Threads/OperatingModes/utils/drawPowerSourceIcon.cpp

diff --git a/source/Core/Threads/OperatingModes/utils/drawPowerSourceIcon.cpp b/source/Core/Threads/OperatingModes/utils/drawPowerSourceIcon.cpp
new file mode 100644
index 00000000..4eb01000
--- /dev/null
+++ b/source/Core/Threads/OperatingModes/utils/drawPowerSourceIcon.cpp
@@ -0,0 +1,43 @@
+#include "OperatingModeUtilities.h"
+
+static void gui_drawBatteryIcon() {
+#if defined(POW_PD) || defined(POW_QC)
+  if (!getIsPoweredByDCIN()) {
+    // On non-DC inputs we replace this symbol with the voltage we are operating on
+    // If <9V then show single digit, if not show dual small ones vertically stacked
+    uint16_t V = getInputVoltageX10(getSettingValue(SettingsOptions::VoltageDiv), 0);
+    if (V % 10 >= 5)
+      V = (V / 10) + 1; // round up
+    else
+      V = V / 10;
+    if (V > 9) {
+      int16_t xPos = OLED::getCursorX();
+      OLED::printNumber(V / 10, 1, FontStyle::SMALL);
+      OLED::setCursor(xPos, 8);
+      OLED::printNumber(V % 10, 1, FontStyle::SMALL);
+      OLED::setCursor(xPos + 12, 0); // need to reset this as if we drew a wide char
+    } else {
+      OLED::printNumber(V, 1, FontStyle::LARGE);
+    }
+    return;
+  }
+#endif
+#ifdef POW_DC
+  if (getSettingValue(SettingsOptions::MinDCVoltageCells)) {
+    // User is on a lithium battery
+    // we need to calculate which of the 10 levels they are on
+    uint8_t  cellCount = getSettingValue(SettingsOptions::MinDCVoltageCells) + 2;
+    uint32_t cellV     = getInputVoltageX10(getSettingValue(SettingsOptions::VoltageDiv), 0) / cellCount;
+    // Should give us approx cell voltage X10
+    // Range is 42 -> Minimum voltage setting (systemSettings.minVoltageCells) = 9 steps therefore we will use battery 0-9
+    if (cellV < getSettingValue(SettingsOptions::MinVoltageCells))
+      cellV = getSettingValue(SettingsOptions::MinVoltageCells);
+    cellV -= getSettingValue(SettingsOptions::MinVoltageCells); // Should leave us a number of 0-9
+    if (cellV > 9)
+      cellV = 9;
+    OLED::drawBattery(cellV + 1);
+  } else {
+    OLED::drawSymbol(15); // Draw the DC Logo
+  }
+#endif
+}
\ No newline at end of file