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111 lines
4.2 KiB
111 lines
4.2 KiB
/**
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* Lightweight Status Screen for the RepRapDiscount Full
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* Graphics Smart Controller (ST7920-based 128x64 LCD)
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*
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* (c) 2017 Aleph Objects, Inc.
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*
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* The code in this page is free software: you can
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* redistribute it and/or modify it under the terms of the GNU
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* General Public License (GNU GPL) as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option)
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* any later version. The code is distributed WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
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*
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*/
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#ifndef STATUS_SCREEN_LITE_ST7920_CLASS_H
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#define STATUS_SCREEN_LITE_ST7920_CLASS_H
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#include "macros.h"
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typedef const __FlashStringHelper *progmem_str;
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class ST7920_Lite_Status_Screen {
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private:
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static struct st7920_state_t {
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uint8_t synced : 1; // Whether a sync has been sent
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uint8_t cmd : 1; // Whether the sync was cmd or data
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uint8_t extended : 1;
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uint8_t graphics : 1;
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uint8_t sa : 1;
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} current_bits;
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static void cs();
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static void ncs();
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static void sync_cmd();
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static void sync_dat();
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static void write_byte(const uint8_t w);
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FORCE_INLINE static void write_word(const uint16_t w) {
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write_byte((w >> 8) & 0xFF);
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write_byte((w >> 0) & 0xFF);
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}
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static void cmd(const uint8_t cmd);
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static void begin_data();
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static void write_str(const char *str);
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static void write_str(const char *str, const uint8_t len);
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static void write_str_P(const char * const str);
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static void write_str(progmem_str str);
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static void write_number(const int16_t value, const uint8_t digits=3);
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static void _extended_function_set(const bool extended, const bool graphics);
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static void _scroll_or_addr_select(const bool sa);
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static void reset_state_from_unknown();
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static void home();
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static void display_status(const bool display_on, const bool cursor_on, const bool blink_on);
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static void extended_function_set(const bool extended);
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static void graphics(const bool graphics);
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static void entry_mode_select(const bool ac_increase, const bool shift);
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static void scroll_or_addr_select(const bool sa);
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static void set_ddram_address(const uint8_t addr);
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static void set_cgram_address(const uint8_t addr);
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static void set_gdram_address(const uint8_t x, const uint8_t y);
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static void clear();
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static void clear_ddram();
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static void clear_gdram();
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static void load_cgram_icon(const uint16_t addr, const void *data);
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static void draw_gdram_icon(uint8_t x, uint8_t y, const void *data);
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static uint8_t string_checksum(const char *str);
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protected:
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static void draw_degree_symbol(uint8_t x, uint8_t y, bool draw);
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static void draw_static_elements();
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static void draw_progress_bar(const uint8_t value);
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static void draw_fan_icon(const bool whichIcon);
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static void draw_heat_icon(const bool whichIcon, const bool heating);
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static void draw_temps(uint8_t line, const int16_t temp, const int16_t target, bool showTarget, bool targetStateChange);
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static void draw_extruder_1_temp(const int16_t temp, const int16_t target);
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static void draw_extruder_2_temp(const int16_t temp, const int16_t target);
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static void draw_bed_temp(const int16_t temp, const int16_t target);
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static void draw_fan_speed(const uint8_t value);
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static void draw_print_time(const uint32_t elapsed);
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static void draw_feedrate_percentage(const uint8_t percentage);
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static void draw_status_message(const char *str);
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static void draw_position(const float x, const float y, const float z, bool position_known = true);
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static bool indicators_changed();
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static bool position_changed();
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static bool blink_changed();
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static bool status_changed();
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static void update_indicators(const bool forceUpdate);
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static void update_position(const bool forceUpdate, bool resetChecksum);
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static void update_status_or_position(bool forceUpdate);
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static void update_progress(const bool forceUpdate);
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public:
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static void update(const bool forceUpdate);
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static void on_entry();
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static void on_exit();
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static void clear_text_buffer();
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};
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#endif // STATUS_SCREEN_LITE_ST7920_CLASS_H
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