123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138 |
- /**
- * 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/>.
- *
- */
- #pragma once
-
- #include "../inc/MarlinConfig.h"
-
- #define PM_SAMPLE_RANGE HAL_ADC_RANGE
- #define PM_K_VALUE 6
- #define PM_K_SCALE 6
-
- template <const float & SCALE, int K_VALUE, int K_SCALE>
- struct pm_lpf_t {
- uint32_t filter_buf;
- float value;
- void add_sample(const uint16_t sample) {
- filter_buf += (uint32_t(sample) << K_SCALE) - (filter_buf >> K_VALUE);
- }
- void capture() {
- value = filter_buf * (SCALE * (1.0f / (1UL << (PM_K_VALUE + PM_K_SCALE))));
- }
- void reset(uint16_t reset_value = 0) {
- filter_buf = uint32_t(reset_value) << (K_VALUE + K_SCALE);
- capture();
- }
- };
-
- class PowerMonitor {
- private:
- #if ENABLED(POWER_MONITOR_CURRENT)
- static constexpr float amps_adc_scale = float(ADC_VREF) / (POWER_MONITOR_VOLTS_PER_AMP * PM_SAMPLE_RANGE);
- static pm_lpf_t<amps_adc_scale, PM_K_VALUE, PM_K_SCALE> amps;
- #endif
- #if ENABLED(POWER_MONITOR_VOLTAGE)
- static constexpr float volts_adc_scale = float(ADC_VREF) / (POWER_MONITOR_VOLTS_PER_VOLT * PM_SAMPLE_RANGE);
- static pm_lpf_t<volts_adc_scale, PM_K_VALUE, PM_K_SCALE> volts;
- #endif
-
- public:
- static uint8_t flags; // M430 flags to display current
-
- static millis_t display_item_ms;
- static uint8_t display_item;
-
- PowerMonitor() { reset(); }
-
- enum PM_Display_Bit : uint8_t {
- PM_DISP_BIT_I, // Current display enable bit
- PM_DISP_BIT_V, // Voltage display enable bit
- PM_DISP_BIT_P // Power display enable bit
- };
-
- #if ENABLED(POWER_MONITOR_CURRENT)
- FORCE_INLINE static float getAmps() { return amps.value + (POWER_MONITOR_CURRENT_OFFSET); }
- void add_current_sample(const uint16_t value) { amps.add_sample(value); }
- #endif
-
- #if ENABLED(POWER_MONITOR_VOLTAGE)
- FORCE_INLINE static float getVolts() { return volts.value + (POWER_MONITOR_VOLTAGE_OFFSET); }
- void add_voltage_sample(const uint16_t value) { volts.add_sample(value); }
- #else
- FORCE_INLINE static float getVolts() { return POWER_MONITOR_FIXED_VOLTAGE; }
- #endif
-
- #if HAS_POWER_MONITOR_WATTS
- FORCE_INLINE static float getPower() { return getAmps() * getVolts(); }
- #endif
-
- #if HAS_WIRED_LCD
- #if HAS_MARLINUI_U8GLIB && DISABLED(LIGHTWEIGHT_UI)
- FORCE_INLINE static bool display_enabled() { return flags != 0x00; }
- #endif
- #if ENABLED(POWER_MONITOR_CURRENT)
- static void draw_current();
- FORCE_INLINE static bool current_display_enabled() { return TEST(flags, PM_DISP_BIT_I); }
- FORCE_INLINE static void set_current_display(const bool b) { SET_BIT_TO(flags, PM_DISP_BIT_I, b); }
- FORCE_INLINE static void toggle_current_display() { TBI(flags, PM_DISP_BIT_I); }
- #endif
- #if ENABLED(POWER_MONITOR_VOLTAGE)
- static void draw_voltage();
- FORCE_INLINE static bool voltage_display_enabled() { return TEST(flags, PM_DISP_BIT_V); }
- FORCE_INLINE static void set_voltage_display(const bool b) { SET_BIT_TO(flags, PM_DISP_BIT_V, b); }
- FORCE_INLINE static void toggle_voltage_display() { TBI(flags, PM_DISP_BIT_V); }
- #endif
- #if HAS_POWER_MONITOR_WATTS
- static void draw_power();
- FORCE_INLINE static bool power_display_enabled() { return TEST(flags, PM_DISP_BIT_P); }
- FORCE_INLINE static void set_power_display(const bool b) { SET_BIT_TO(flags, PM_DISP_BIT_P, b); }
- FORCE_INLINE static void toggle_power_display() { TBI(flags, PM_DISP_BIT_P); }
- #endif
- #endif
-
- static void reset() {
- flags = 0x00;
-
- #if ENABLED(POWER_MONITOR_CURRENT)
- amps.reset();
- #endif
-
- #if ENABLED(POWER_MONITOR_VOLTAGE)
- volts.reset();
- #endif
-
- #if ENABLED(SDSUPPORT)
- display_item_ms = 0;
- display_item = 0;
- #endif
- }
-
- static void capture_values() {
- #if ENABLED(POWER_MONITOR_CURRENT)
- amps.capture();
- #endif
- #if ENABLED(POWER_MONITOR_VOLTAGE)
- volts.capture();
- #endif
- }
- };
-
- extern PowerMonitor power_monitor;
|