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72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/defines.h"
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#ifdef USE_TIME
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#include "esphome/components/time/real_time_clock.h"
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#endif
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#include <map>
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namespace esphome {
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namespace lcd_base {
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class LCDDisplay;
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class LCDDisplay : public PollingComponent {
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public:
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void set_dimensions(uint8_t columns, uint8_t rows) {
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this->columns_ = columns;
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this->rows_ = rows;
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}
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void set_user_defined_char(uint8_t pos, const std::vector<uint8_t> &data) { this->user_defined_chars_[pos] = data; }
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void setup() override;
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float get_setup_priority() const override;
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void update() override;
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void display();
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//// Clear LCD display
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void clear();
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/// Print the given text at the specified column and row.
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void print(uint8_t column, uint8_t row, const char *str);
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/// Print the given string at the specified column and row.
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void print(uint8_t column, uint8_t row, const std::string &str);
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/// Print the given text at column=0 and row=0.
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void print(const char *str);
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/// Print the given string at column=0 and row=0.
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void print(const std::string &str);
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/// Evaluate the printf-format and print the text at the specified column and row.
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void printf(uint8_t column, uint8_t row, const char *format, ...) __attribute__((format(printf, 4, 5)));
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/// Evaluate the printf-format and print the text at column=0 and row=0.
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void printf(const char *format, ...) __attribute__((format(printf, 2, 3)));
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#ifdef USE_TIME
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/// Evaluate the strftime-format and print the text at the specified column and row.
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void strftime(uint8_t column, uint8_t row, const char *format, time::ESPTime time)
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__attribute__((format(strftime, 4, 0)));
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/// Evaluate the strftime-format and print the text at column=0 and row=0.
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void strftime(const char *format, time::ESPTime time) __attribute__((format(strftime, 2, 0)));
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#endif
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/// Load custom char to given location
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void loadchar(uint8_t location, uint8_t charmap[]);
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protected:
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virtual bool is_four_bit_mode() = 0;
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virtual void write_n_bits(uint8_t value, uint8_t n) = 0;
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virtual void send(uint8_t value, bool rs) = 0;
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void command_(uint8_t value);
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virtual void call_writer() = 0;
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uint8_t columns_;
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uint8_t rows_;
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uint8_t *buffer_{nullptr};
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std::map<uint8_t, std::vector<uint8_t> > user_defined_chars_;
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};
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} // namespace lcd_base
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} // namespace esphome
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