/** * Marlin 3D Printer Firmware * Copyright (c) 2021 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 . * */ #pragma once #include "../inc/MarlinConfigPre.h" #include #include #ifndef I2C_AMMETER_IMAX #define I2C_AMMETER_IMAX .500 // Calibration range 500 Milli Amps #endif class Ammeter { private: static float scale; public: static float current; static void init(); static float read(); }; extern Ammeter ammeter;