mirror of
https://github.com/DCC-EX/CommandStation-EX.git
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143 lines
2.9 KiB
C++
143 lines
2.9 KiB
C++
/*!
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* @file TM1638.h
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* @brief Arduino library for interface with TM1638 chip.
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* @n read buttons, switch leds, display on 7segment.
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* @author [Damien](web@varrel.fr)
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* @version V1.0.1
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* @date 2024-02-06
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* @url https://github.com/dvarrel/TM1638.git
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* @module https://fr.aliexpress.com/item/32832772646.html
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*/
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#ifndef _TM1638_H
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#define _TM1638_H
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#include "Arduino.h"
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#ifndef ON
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#define ON 1
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#endif
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#ifndef OFF
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#define OFF 0
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#endif
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typedef enum{
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PULSE1_16,
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PULSE2_16,
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PULSE4_16,
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PULSE10_16,
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PULSE11_16,
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PULSE12_16,
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PULSE13_16,
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PULSE14_16
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} pulse_t;
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typedef enum{
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S1,S2,S3,S4,
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S5,S6,S7,S8
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} button_t;
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class TM1638x{
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private:
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#define INSTRUCTION_WRITE_DATA 0x40
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#define INSTRUCTION_READ_KEY 0x42
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#define INSTRUCTION_ADDRESS_AUTO 0x40
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#define INSTRUCTION_ADDRESS_FIXED 0x44
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#define INSTRUCTION_NORMAL_MODE 0x40
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#define INSTRUCTION_TEST_MODE 0x48
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#define FIRST_DISPLAY_ADDRESS 0xC0
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#define DISPLAY_TURN_OFF 0x80
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#define DISPLAY_TURN_ON 0x88
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uint8_t _clk_pin;
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uint8_t _stb_pin;
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uint8_t _dio_pin;
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uint8_t _buttons;
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uint8_t _pulse;
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bool _isOn;
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public:
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TM1638x(uint8_t clk_pin, uint8_t dio_pin, uint8_t stb_pin){
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_clk_pin = clk_pin;
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_stb_pin = stb_pin;
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_dio_pin = dio_pin;
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_pulse = PULSE1_16;
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_isOn = false;
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pinMode(stb_pin, OUTPUT);
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pinMode(clk_pin, OUTPUT);
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pinMode(dio_pin, OUTPUT);
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digitalWrite(stb_pin, HIGH);
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digitalWrite(clk_pin, HIGH);
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digitalWrite(dio_pin, HIGH);
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}
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/**
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* @fn getButtons
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* @return state of 8 buttons
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*/
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uint8_t getButtons();
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/**
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* @fn writeLed
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* @brief put led ON or OFF
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* @param num num of led(1-8)
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* @param state (true or false)
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*/
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void writeLed(uint8_t num, bool state);
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/**
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* @fn displayDig
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* @brief set 7 segment display + dot
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* @param digitId num of digit(0-7)
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* @param val value 8 bits
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*/
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void displayDig(uint8_t digitId, uint8_t pgfedcba);
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/**
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* @fn displayClear
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* @brief switch off all leds and segment display
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*/
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void displayClear();
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/**
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* @fn displayTurnOff
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* @brief turn on lights
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*/
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void displayTurnOff();
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/**
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* @fn displayTurnOn
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* @brief turn off lights
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*/
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void displayTurnOn();
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/**
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* @fn displaySetBrightness
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* @brief set display brightness
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* @param pulse_t (0-7)
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*/
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void displaySetBrightness(pulse_t pulse);
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/**
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* @fn reset
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* @brief switch off all displays-leds
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*/
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void reset();
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/**
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* @fn test
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* @brief blink all displays and leds
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*/
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void test();
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private:
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void writeData(uint8_t data);
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void writeDataAt(uint8_t displayAddress, uint8_t data);
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void setDisplayMode(uint8_t displayMode);
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void setDataInstruction(uint8_t dataInstruction);
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};
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#endif |