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코딩을 하다보면 남의 소스를 분석하는일이 종종발생한다.
그러면 남의 코딩의 분석할때 어떻게 분석하는것이 효률적이냐는 물음에 봉착 할 수가 있다.
잘짜여진 코드는 .h로 되는 선언부와 .cpp로 되는 정의부로 나누어 진다.
코드를 분석하는 입장에서는 우선 .h의 선언부를 분석한다.
.cpp는 코드를 수정하지 않는다면 볼 필요조차가 없다.
.h만 보고도 모든것이 파악된다고 봐도 무방하다.
혹시 본인이 코딩을 잘하고 싶다면 선언과 정의를 분리하는 습관을 가지기 바란다.
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//YWROBOT
#ifndef LiquidCrystal_I2C_Hangul_h
#define LiquidCrystal_I2C_Hangul_h
#include <inttypes.h>
#include "Print.h"
#include <Wire.h>
#include "Arduino.h"
// commands
#define LCD_CLEARDISPLAY 0x01
#define LCD_RETURNHOME 0x02
#define LCD_ENTRYMODESET 0x04
#define LCD_DISPLAYCONTROL 0x08
#define LCD_CURSORSHIFT 0x10
#define LCD_FUNCTIONSET 0x20
#define LCD_SETCGRAMADDR 0x40
#define LCD_SETDDRAMADDR 0x80
// flags for display entry mode
#define LCD_ENTRYRIGHT 0x00
#define LCD_ENTRYLEFT 0x02
#define LCD_ENTRYSHIFTINCREMENT 0x01
#define LCD_ENTRYSHIFTDECREMENT 0x00
// flags for display on/off control
#define LCD_DISPLAYON 0x04
#define LCD_DISPLAYOFF 0x00
#define LCD_CURSORON 0x02
#define LCD_CURSOROFF 0x00
#define LCD_BLINKON 0x01
#define LCD_BLINKOFF 0x00
// flags for display/cursor shift
#define LCD_DISPLAYMOVE 0x08
#define LCD_CURSORMOVE 0x00
#define LCD_MOVERIGHT 0x04
#define LCD_MOVELEFT 0x00
// flags for function set
#define LCD_8BITMODE 0x10
#define LCD_4BITMODE 0x00
#define LCD_2LINE 0x08
#define LCD_1LINE 0x00
#define LCD_5x10DOTS 0x04
#define LCD_5x8DOTS 0x00
// flags for backlight control
#define LCD_BACKLIGHT 0x08
#define LCD_NOBACKLIGHT 0x00
#define En B00000100 // Enable bit
#define Rw B00000010 // Read/Write bit
#define Rs B00000001 // Register select bit
class LiquidCrystal_I2C_Hangul : public Print {
public:
LiquidCrystal_I2C_Hangul(uint8_t lcd_Addr,uint8_t lcd_cols,uint8_t lcd_rows);
void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS );
void clear();
void home();
void noDisplay();
void display();
void noBlink();
void blink();
void noCursor();
void cursor();
void scrollDisplayLeft();
void scrollDisplayRight();
void printLeft();
void printRight();
void leftToRight();
void rightToLeft();
void shiftIncrement();
void shiftDecrement();
void noBacklight();
void backlight();
void autoscroll();
void noAutoscroll();
void createChar(uint8_t, uint8_t[]);
void setCursor(uint8_t, uint8_t);
void setDelayTime(int t);
void printHangul(wchar_t* txt, byte startPoint, byte len);
#if defined(ARDUINO) && ARDUINO >= 100
virtual size_t write(uint8_t);
#else
virtual void write(uint8_t);
#endif
void command(uint8_t);
void init();
////compatibility API function aliases
void blink_on(); // alias for blink()
void blink_off(); // alias for noBlink()
void cursor_on(); // alias for cursor()
void cursor_off(); // alias for noCursor()
void setBacklight(uint8_t new_val); // alias for backlight() and nobacklight()
void load_custom_character(uint8_t char_num, uint8_t *rows); // alias for createChar()
void printstr(const char[]);
////Unsupported API functions (not implemented in this library)
uint8_t status();
void setContrast(uint8_t new_val);
uint8_t keypad();
void setDelay(int,int);
void on();
void off();
uint8_t init_bargraph(uint8_t graphtype);
void draw_horizontal_graph(uint8_t row, uint8_t column, uint8_t len, uint8_t pixel_col_end);
void draw_vertical_graph(uint8_t row, uint8_t column, uint8_t len, uint8_t pixel_col_end);
private:
int printing(byte cho, byte jung, byte jong, byte hanCursor, byte charNum);
void init_priv();
void send(uint8_t, uint8_t);
void write4bits(uint8_t);
void expanderWrite(uint8_t);
void pulseEnable(uint8_t);
uint8_t _Addr;
uint8_t _displayfunction;
uint8_t _displaycontrol;
uint8_t _displaymode;
uint8_t _numlines;
uint8_t _cols;
uint8_t _rows;
uint8_t _backlightval;
bool isYi(byte key);
bool isU(byte key);
bool isSSang(byte key);
void mergeChoJung(byte* cho, byte* jung, byte* mergedArr);
int enrollNum = 0;
int delayTime = 500;
byte space[8] = {
B00000,B00000,B00000,B00000,B00000,B00000,B00000,B00000
};
//초성/종성 자음
byte r[8] = {//ㄱ
B11111,B00001,B00001,B00001,B00000,B00000,B00000,B00000
};
byte s[8] = {//ㄴ
B10000,B10000,B10000,B11111,B00000,B00000,B00000,B00000
};
byte e[8] = {//ㄷ
B11111,B10000,B10000,B11111,B00000,B00000,B00000,B00000
};
byte f[8] = {//ㄹ
B11111,B00001,B11111,B10000,B11111,B00000,B00000,B00000
};
byte a[8] = {//ㅁ
B11111,B10001,B10001,B11111,B00000,B00000,B00000,B00000
};
byte q[8] = {//ㅂ
B01010,B01110,B01010,B01110,B00000,B00000,B00000,B00000
};
byte t[8] = {//ㅅ
B00100,B00100,B01010,B10001,B00000,B00000,B00000,B00000
};
byte d[8] = {//ㅇ
B01110,B11011,B10001,B11011,B01110,B00000,B00000,B00000
};
byte w[8] = {//ㅈ
B11111,B00100,B01010,B10001,B00000,B00000,B00000,B00000
};
byte c[8] = {//ㅊ
B00100,B11111,B00100,B01010,B10001,B00000,B00000,B00000
};
byte z[8] = {//ㅋ
B11111,B00001,B01111,B00001,B00001,B00000,B00000,B00000
};
byte x[8] = {//ㅌ
B11111,B10000,B11111,B10000,B11111,B00000,B00000,B00000
};
byte v[8] = {//ㅍ
B11111,B01010,B01010,B11111,B00000,B00000,B00000,B00000
};
byte g[8] = {//ㅎ
B00100,B11111,B00100,B01010,B00100,B00000,B00000,B00000
};
byte R[8] = {//ㄲ
B11111,B00101,B00101,B00101,B00000,B00000,B00000,B00000
};
byte E[8] = {//ㄸ
B11111,B10100,B10100,B11111,B00000,B00000,B00000,B00000
};
byte Q[8] = {//ㅃ
B10101,B11111,B10101,B11111,B00000,B00000,B00000,B00000
};
byte T[8] = {//ㅆ
B01010,B01010,B10101,B10101,B00000,B00000,B00000,B00000
};
byte W[8] = {//ㅉ
B11111,B01010,B10101,B10101,B00000,B00000,B00000,B00000
};
//ㅡ형 모음
byte m[8] = {//ㅡ
B00000,B00000,B00000,B00000,B00000,B00000,B11111,B00000
};
byte h[8] = {//ㅗ
B00000,B00000,B00000,B00000,B00000,B00100,B11111,B00000
};
byte y[8] = {//ㅛ
B00000,B00000,B00000,B00000,B00000,B01010,B11111,B00000
};
byte n[8] = {//ㅜ
B00000,B00000,B00000,B00000,B00000,B00000,B11111,B00100
};
byte b[8] = {//ㅠ
B00000,B00000,B00000,B00000,B00000,B00000,B11111,B01010
};
//ㅣ형 모음
byte k[8] = { //ㅏ
B00000,B10000,B10000,B10000,B11000,B10000,B10000,B00000
};
byte i[8] = { //ㅑ
B00000,B10000,B10000,B11000,B10000,B11000,B10000,B00000
};
byte j[8] = { //ㅓ
B00000,B01000,B01000,B01000,B11000,B01000,B01000,B00000
};
byte u[8] = { //ㅕ
B00000,B01000,B01000,B11000,B01000,B11000,B01000,B00000
};
byte l[8] = { //ㅣ
B00000,B10000,B10000,B10000,B10000,B10000,B10000,B00000
};
byte o[8] = { //ㅐ
B00000,B10100,B10100,B10100,B11100,B10100,B10100,B00000
};
byte O[8] = { //ㅒ
B00000,B10100,B10100,B11100,B10100,B11100,B10100,B00000
};
byte p[8] = {//ㅔ
B00000,B01010,B01010,B01010,B11010,B01010,B01010,B00000
};
byte P[8] = { //ㅖ
B00000,B01010,B01010,B11010,B01010,B11010,B01010,B00000
};
byte* wcCho[19] = {
r, R, s, e,
E, f, a, q,
Q, t, T, d,
w, W, c, z,
x, v, g};
//중성 ㅏ0,ㅐ1,ㅑ2,ㅒ3,ㅓ4,ㅔ5,ㅕ6,ㅖ7,ㅗ8,ㅘ9,ㅙ10,ㅚ11,ㅛ12,ㅜ13,ㅝ14,ㅞ15,ㅟ16,ㅠ17,ㅡ18,ㅢ19,ㅣ20
byte* wcJung[21] = {
k, o, i, O,
j, p, u, P,
h, space, space, space,
y, n, space, space,
space, b, m, space, l};
//'ㅢ'형 인덱싱
int wcUi[21][2] = {
{0},{0},{0},{0},
{0},{0},{0},{0},
{0},{8,0},{8,1},{8,20},
{0},{0},{13,4},{13,5},
{13,20},{0},{0},{18,20},{0}
};
//종성 공백0,ㄱ1,ㄲ2,ㄳ3,ㄴ4,ㄵ5,ㄶ6,ㄷ7,ㄹ8,ㄺ9,ㄻ10,ㄼ11,ㄽ12,ㄾ13,ㄿ14,ㅀ15,ㅁ16,ㅂ17,ㅄ18,ㅅ19,ㅆ20,ㅇ21,ㅈ22,ㅊ23,ㅋ24,ㅌ25,ㅍ26,ㅎ27
byte* wcJong[28] = {
space, r, R, space,
s, space, space, e,
f, space, space, space,
space, space, space, space,
a, q, space, t,
T, d, w, c,
z, x, v, g};
//어말자음군 인덱싱
int wcSSang[28][2] = {
{0},{0},{0},{1,19},
{0},{4,22},{4,27},{0},
{0},{8,1},{8,16},{8,17},
{8,19},{8,25},{8,26},{8,27},
{0},{0},{17,19},{0},
{0},{0},{0},{0},
{0},{0},{0},{0}
};
};
#endif
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