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1 files changed, 75 insertions, 0 deletions

diff --git a/Marlin/src/feature/power_monitor.cpp b/Marlin/src/feature/power_monitor.cpp
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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../inc/MarlinConfigPre.h"
+
+#if HAS_POWER_MONITOR
+
+#include "power_monitor.h"
+
+#include "../lcd/marlinui.h"
+#include "../lcd/lcdprint.h"
+#include "../libs/numtostr.h"
+
+uint8_t PowerMonitor::flags; // = 0
+
+#if ENABLED(POWER_MONITOR_CURRENT)
+  pm_lpf_t<PowerMonitor::amps_adc_scale, PM_K_VALUE, PM_K_SCALE> PowerMonitor::amps;
+#endif
+#if ENABLED(POWER_MONITOR_VOLTAGE)
+  pm_lpf_t<PowerMonitor::volts_adc_scale, PM_K_VALUE, PM_K_SCALE> PowerMonitor::volts;
+#endif
+
+millis_t PowerMonitor::display_item_ms;
+uint8_t PowerMonitor::display_item;
+
+PowerMonitor power_monitor; // Single instance - this calls the constructor
+
+#if HAS_MARLINUI_U8GLIB
+
+  #if ENABLED(POWER_MONITOR_CURRENT)
+    void PowerMonitor::draw_current() {
+      const float amps = getAmps();
+      lcd_put_u8str(amps < 100 ? ftostr31ns(amps) : ui16tostr4rj((uint16_t)amps));
+      lcd_put_wchar('A');
+    }
+  #endif
+
+  #if HAS_POWER_MONITOR_VREF
+    void PowerMonitor::draw_voltage() {
+      const float volts = getVolts();
+      lcd_put_u8str(volts < 100 ? ftostr31ns(volts) : ui16tostr4rj((uint16_t)volts));
+      lcd_put_wchar('V');
+    }
+  #endif
+
+  #if HAS_POWER_MONITOR_WATTS
+    void PowerMonitor::draw_power() {
+      const float power = getPower();
+      lcd_put_u8str(power < 100 ? ftostr31ns(power) : ui16tostr4rj((uint16_t)power));
+      lcd_put_wchar('W');
+    }
+  #endif
+
+#endif // HAS_MARLINUI_U8GLIB
+
+#endif // HAS_POWER_MONITOR