37 lines
696 B
C++
37 lines
696 B
C++
#ifndef LCD_H
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#define LCD_H
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#include <string>
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#include "hardware/i2c.h"
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#include "pico/stdlib.h"
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enum class Mode
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{
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COMMAND,
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CHARACTER
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};
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class LCD
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{
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public:
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LCD(i2c_inst_t *i2c, const uint gpio_sda, const uint gpio_scl,
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const uint8_t i2c_addr = 0x27, uint8_t num_cols = 16, uint8_t num_lines = 2);
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int backlight_off();
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int backlight_on();
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void sendString(const std::string &str);
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void setCursor(int line, int position);
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void clear();
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private:
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void sendByte(uint8_t val, Mode mode);
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void toggleEnable(uint8_t val);
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void i2cWriteByte(uint8_t val);
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void sendChar(char val);
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i2c_inst_t *i2c;
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uint8_t i2c_addr;
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uint8_t num_cols;
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uint8_t num_lines;
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};
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#endif |