Rob Keij / LCD_4x20_MCC0G42005A6W

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MCC0G42005A6W.h@1:3ea320ddd830, 2021-04-13 (annotated)

Committer:
qynx
Date:
Tue Apr 13 13:06:59 2021 +0000
Revision:
1:3ea320ddd830
Parent:
0:bf6598759869 
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qynx 0:bf6598759869 1 #ifndef _MCC0G42005A6W_H
qynx 0:bf6598759869 2 #define _MCC0G42005A6W_H
qynx 0:bf6598759869 3
qynx 0:bf6598759869 4 #include <stdarg.h>
qynx 0:bf6598759869 5 #include "mbed.h"
qynx 0:bf6598759869 6 #include "MCC0G42005A6W.h"
qynx 0:bf6598759869 7
qynx 0:bf6598759869 8 /**
qynx 0:bf6598759869 9 * LCD example
qynx 0:bf6598759869 10 *
qynx 0:bf6598759869 11 * @code
qynx 0:bf6598759869 12 * #include <stdarg.h>
qynx 0:bf6598759869 13 * #include "mbed.h"
qynx 0:bf6598759869 14 * #include "MCC0G42005A6W.h"
qynx 0:bf6598759869 15 *
qynx 0:bf6598759869 16 * // MCCOG42005A6W-BNMLWI
qynx 0:bf6598759869 17 * // Alphanumeric LCD, 20 x 4, White on Blue, 3V to 5V, I2C, English, Japanese, Transmissive
qynx 0:bf6598759869 18 * // Farnell nr. 2218946
qynx 0:bf6598759869 19 * // example PCB LCD I2C 4x20 https://circuitmaker.com/User/Details/Rob-Keij-4
qynx 0:bf6598759869 20 *
qynx 0:bf6598759869 21 * LCD_COG lcd(SDA, SCL, "==LCD=Driver=V1.00=="); // SDA, SCL
qynx 0:bf6598759869 22 *
qynx 0:bf6598759869 23 * int main()
qynx 0:bf6598759869 24 * {
qynx 0:bf6598759869 25 * lcd.printf( 0, 0, "Hello world!" );
qynx 0:bf6598759869 26 * lcd.printf( 4, 1, "pi = %.6f", 3.14159265 );
qynx 0:bf6598759869 27 * lcd.printf( 2, 2, "This is Row %d",2 );
qynx 0:bf6598759869 28 * lcd.printf( 3, 3, "This is Row %d",3 );
qynx 0:bf6598759869 29 *
qynx 0:bf6598759869 30 * while(1) {
qynx 0:bf6598759869 31 *
qynx 0:bf6598759869 32 * }
qynx 0:bf6598759869 33 * }
qynx 0:bf6598759869 34 * @endcode
qynx 0:bf6598759869 35 */
qynx 0:bf6598759869 36
qynx 0:bf6598759869 37
qynx 0:bf6598759869 38 class LCD_COG
qynx 0:bf6598759869 39 {
qynx 0:bf6598759869 40 public:
qynx 0:bf6598759869 41
qynx 0:bf6598759869 42 /** Create a LCD instance which is connected to specified I2C pins with specified address
qynx 0:bf6598759869 43 *
qynx 0:bf6598759869 44 * @param I2C_sda I2C-bus SDA pin
qynx 0:bf6598759869 45 * @param I2C_scl I2C-bus SCL pin
qynx 0:bf6598759869 46 * @param init_message string to initialize the LCD
qynx 0:bf6598759869 47 */
qynx 0:bf6598759869 48 LCD_COG( PinName I2C_sda, PinName I2C_scl, const char *init_message = NULL );
qynx 0:bf6598759869 49
qynx 0:bf6598759869 50 /** Create a LCD instance connected to specified I2C pins with specified address
qynx 0:bf6598759869 51 *
qynx 0:bf6598759869 52 * @param I2C object (instance)
qynx 0:bf6598759869 53 * @param init_message string to initialize the LCD
qynx 0:bf6598759869 54 */
qynx 0:bf6598759869 55 LCD_COG( I2C &i2c_, const char* init_message = NULL );
qynx 0:bf6598759869 56
qynx 0:bf6598759869 57 /** Destructor
qynx 0:bf6598759869 58 */
qynx 0:bf6598759869 59 ~LCD_COG();
qynx 0:bf6598759869 60
qynx 0:bf6598759869 61 /** Printf
qynx 0:bf6598759869 62 *
qynx 0:bf6598759869 63 * printf function with line number.
qynx 0:bf6598759869 64 * it can be used like
qynx 0:bf6598759869 65 *
qynx 0:bf6598759869 66 * lcd.printf( 0, "Hello world!" );
qynx 0:bf6598759869 67 * lcd.printf( 1, "pi = %.6f", 3.14159265 );
qynx 0:bf6598759869 68 * lcd.printf( 2, "This is Row %d",2 );
qynx 0:bf6598759869 69 * lcd.printf( 3, "This is Row %d",3 );
qynx 0:bf6598759869 70 *
qynx 0:bf6598759869 71 * @param line line# (0 for upper, 1 for lower)
qynx 0:bf6598759869 72 * @param format following parameters are compatible to stdout's printf
qynx 0:bf6598759869 73 */
qynx 0:bf6598759869 74 void printf( char line, const char *format, ... );
qynx 0:bf6598759869 75
qynx 0:bf6598759869 76 /** Printf
qynx 0:bf6598759869 77 *
qynx 0:bf6598759869 78 * printf function with X and Y character position on the LCD.
qynx 0:bf6598759869 79 * it can be used like
qynx 0:bf6598759869 80 *
qynx 0:bf6598759869 81 * lcd.printf( 0, 0, "Hello world!" );
qynx 0:bf6598759869 82 * lcd.printf( 4, 1, "pi = %.6f", 3.14159265 );
qynx 0:bf6598759869 83 * lcd.printf( 2, 2, "This is Row %d",2 );
qynx 0:bf6598759869 84 * lcd.printf( 3, 3, "This is Row %d",3 );
qynx 0:bf6598759869 85 *
qynx 0:bf6598759869 86 * @param x X horizontal character position on the LCD
qynx 0:bf6598759869 87 * @param y Y vertical character position on the LCD
qynx 0:bf6598759869 88 * @param format following parameters are compatible to stdout's printf
qynx 0:bf6598759869 89 */
qynx 0:bf6598759869 90 void printf( char x, unsigned char y, const char *format, ... );
qynx 0:bf6598759869 91
qynx 0:bf6598759869 92 /** Put character : "putc()"
qynx 0:bf6598759869 93 *
qynx 0:bf6598759869 94 * @param line line# (0 for upper, 1 for lower)
qynx 0:bf6598759869 95 * @param c character code
qynx 0:bf6598759869 96 */
qynx 0:bf6598759869 97 void putc( unsigned char line, char c );
qynx 0:bf6598759869 98
qynx 0:bf6598759869 99 /** Put string : "puts()"
qynx 0:bf6598759869 100 *
qynx 0:bf6598759869 101 * @param line line# (0 for upper, 1 for lower)
qynx 0:bf6598759869 102 * @param s pointer to a string data
qynx 0:bf6598759869 103 */
qynx 0:bf6598759869 104 void puts( char line, const char *s );
qynx 0:bf6598759869 105
qynx 0:bf6598759869 106 /** Put character into specified screen position
qynx 0:bf6598759869 107 *
qynx 0:bf6598759869 108 * @param c character code
qynx 0:bf6598759869 109 * @param x horizontal character position on the LCD
qynx 0:bf6598759869 110 * @param y vertical character position on the LCD
qynx 0:bf6598759869 111 */
qynx 0:bf6598759869 112 void putcxy( char c, unsigned char x, unsigned char y );
qynx 0:bf6598759869 113
qynx 0:bf6598759869 114 /** Clear the LCD
qynx 0:bf6598759869 115 */
qynx 0:bf6598759869 116 void clear( void );
qynx 0:bf6598759869 117
qynx 0:bf6598759869 118 /** Contrast adjustment
qynx 0:bf6598759869 119 *
qynx 0:bf6598759869 120 * @param contrast value (from 0x00 to 0x3E)
qynx 0:bf6598759869 121 */
qynx 0:bf6598759869 122 void contrast( char contrast );
qynx 0:bf6598759869 123
qynx 0:bf6598759869 124 /** Put a custom character given as bitmap data
qynx 0:bf6598759869 125 *
qynx 0:bf6598759869 126 * @param c_code character code
qynx 0:bf6598759869 127 * @param cg pointer to bitmap data (array of 8 bytes)
qynx 0:bf6598759869 128 * @param x horizontal character position on the LCD
qynx 0:bf6598759869 129 * @param y vertical character position on the LCD
qynx 0:bf6598759869 130 */
qynx 0:bf6598759869 131 void put_custom_char( char c_code, const char *cg, char x, char y );
qynx 0:bf6598759869 132
qynx 0:bf6598759869 133 /** Set CGRAM (set custom bitmap as a character)
qynx 0:bf6598759869 134 *
qynx 0:bf6598759869 135 * @param c_code character code
qynx 0:bf6598759869 136 * @param cg pointer to bitmap data (array of 8 bytes)
qynx 0:bf6598759869 137 */
qynx 0:bf6598759869 138 void set_CGRAM( char char_code, const char* cg );
qynx 0:bf6598759869 139
qynx 0:bf6598759869 140 /** Set CGRAM (set custom bitmap as a character)
qynx 0:bf6598759869 141 *
qynx 0:bf6598759869 142 * @param c_code character code
qynx 0:bf6598759869 143 * @param v bitmap data (5 bit pattern in this variable are copied to all row of a character bitmap)
qynx 0:bf6598759869 144 */
qynx 0:bf6598759869 145 void set_CGRAM( char char_code, char v );
qynx 0:bf6598759869 146
qynx 0:bf6598759869 147
qynx 0:bf6598759869 148 /** Set number of characters in a line
qynx 0:bf6598759869 149 *
qynx 0:bf6598759869 150 * @param ch number of charactors in a line
qynx 0:bf6598759869 151 */
qynx 0:bf6598759869 152 void setCharsInLine( char ch )
qynx 0:bf6598759869 153 {
qynx 0:bf6598759869 154 charsInLine = ch;
qynx 0:bf6598759869 155 };
qynx 0:bf6598759869 156
qynx 0:bf6598759869 157 private:
qynx 0:bf6598759869 158
qynx 0:bf6598759869 159 typedef enum {
qynx 0:bf6598759869 160
qynx 0:bf6598759869 161 SLAVEADRESS = 0x78,
qynx 0:bf6598759869 162 LINES = 4,
qynx 0:bf6598759869 163 LCD_HOME_L1 = 0x80,
qynx 0:bf6598759869 164 LINE1 = 0x00,
qynx 0:bf6598759869 165 LINE2 = LINE1+0x20,
qynx 0:bf6598759869 166 LINE3 = LINE1+0x40,
qynx 0:bf6598759869 167 LINE4 = LINE1+0x60,
qynx 0:bf6598759869 168
qynx 0:bf6598759869 169 DISPLAY_ON = 0x04,
qynx 0:bf6598759869 170 DISPLAY_OFF = 0x03,
qynx 0:bf6598759869 171 CURSOR_ON = 0x02,
qynx 0:bf6598759869 172 CURSOR_OFF = 0x05,
qynx 0:bf6598759869 173 BLINK_ON = 0x01,
qynx 0:bf6598759869 174 BLINK_OFF = 0x06,
qynx 0:bf6598759869 175
qynx 0:bf6598759869 176 TOPVIEW = 0x05,
qynx 0:bf6598759869 177 BOTTOMVIEW = 0x06,
qynx 0:bf6598759869 178
qynx 0:bf6598759869 179 ROMA = 0x00,
qynx 0:bf6598759869 180 ROMB = 0x04,
qynx 0:bf6598759869 181 ROMC = 0x0C,
qynx 0:bf6598759869 182
qynx 0:bf6598759869 183 Comm_FunctionSet_Normal = 0x38,
qynx 0:bf6598759869 184 Comm_FunctionSet_Extended = 0x39,
qynx 0:bf6598759869 185 Comm_InternalOscFrequency = 0x14,
qynx 0:bf6598759869 186 Comm_DisplayOnOff = 0x0C,
qynx 0:bf6598759869 187 Comm_ClearDisplay = 0x01,
qynx 0:bf6598759869 188 Comm_ReturnHome = 0x02,
qynx 0:bf6598759869 189 Comm_ContrastSet = 0x70,
qynx 0:bf6598759869 190 Comm_PwrIconContrast = 0x5C,
qynx 0:bf6598759869 191 Comm_FollowerCtrl = 0x60,
qynx 0:bf6598759869 192 Comm_EntryModeSet = 0x04,
qynx 0:bf6598759869 193 Comm_SetCGRAM = 0x40
qynx 0:bf6598759869 194
qynx 0:bf6598759869 195
qynx 0:bf6598759869 196 //Instruction IS RE RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Description
qynx 0:bf6598759869 197 //Clear display XX00 0 0 0 0 0 0 0 1 Write "20H" to DDRAM. and set DDRAM address to "00H" from AC.
qynx 0:bf6598759869 198 //Comm_ClearDisplay = 0x01,
qynx 0:bf6598759869 199 //
qynx 0:bf6598759869 200 //Return home X000 0 0 0 0 0 0 1 X Set DDRAM address to "00H" from AC and return cursor to its original position if shifted. The contents of DDRAM are not changed.
qynx 0:bf6598759869 201 //Comm_ReturnHome = 0x02,
qynx 0:bf6598759869 202 //
qynx 0:bf6598759869 203 //Power down mode X100 0 0 0 0 0 0 1 PD Set power down mode bit. PD = "1": power down mode set, PD = "0": power down mode disable (POR)
qynx 0:bf6598759869 204 //
qynx 0:bf6598759869 205 //Entry mode set X000 0 0 0 0 0 1 I/D S Assign cursor/ blink moving direction with DDRAM address I/D = "1": cursor/ blink moves to right
qynx 0:bf6598759869 206 // and DDRAM address is increased by 1 (POR)
qynx 0:bf6598759869 207 // I/D = "0": cursor/ blink moves to left and DDRAM address is decreased by 1
qynx 0:bf6598759869 208 // Assign display shift with DDRAM address S = "1": make display shift of the enabled lines by the DS4 to DS1 bits in the shift enable instruction.
qynx 0:bf6598759869 209 // Left/right direction depends on I/D bit selection. S = "0": display shift disable (POR)
qynx 0:bf6598759869 210 //
qynx 0:bf6598759869 211 // X100 0 0 0 0 0 1 BDC BDS Segment bi-direction function.
qynx 0:bf6598759869 212 // BDS = "0": Seg100 -> Seg1,
qynx 0:bf6598759869 213 // BDS = "1": Seg1 -> Seg100.
qynx 0:bf6598759869 214 // Segment bi-direction function.
qynx 0:bf6598759869 215 // BDC = "0": Com32 -> Com1
qynx 0:bf6598759869 216 // BDC = "1": Com1 -> Com32
qynx 0:bf6598759869 217 //
qynx 0:bf6598759869 218 //Display On/Off control X000 0 0 0 0 1 D C B Set display/cursor/blink on/off
qynx 0:bf6598759869 219 //Comm_DisplayOnOff = 0x0C, // 0000 1100
qynx 0:bf6598759869 220 // D = "1": display on,
qynx 0:bf6598759869 221 // D = "0": display off (POR),
qynx 0:bf6598759869 222 // C = "1": cursor on,
qynx 0:bf6598759869 223 // C = "0": cursor off (POR),
qynx 0:bf6598759869 224 // B = "1": blink on,
qynx 0:bf6598759869 225 // B = "0": blink off (POR).
qynx 0:bf6598759869 226 //
qynx 0:bf6598759869 227 //Extended function set X100 0 0 0 0 1 FW B/W NW Assign font width, black/white inverting of cursor, and 4-line display mode control bit.
qynx 0:bf6598759869 228 // FW = "1": 6-dot font width,
qynx 0:bf6598759869 229 // FW = "0": 5-dot font width (POR),
qynx 0:bf6598759869 230 // B/W = "1": black/white inverting of cursor enable,
qynx 0:bf6598759869 231 // B/W = "0": black/white inverting of cursor disable (POR)
qynx 0:bf6598759869 232 // NW = "1": 3-line or 4-line display mode,
qynx 0:bf6598759869 233 // NW = "0": 1-line or 2-line display mode
qynx 0:bf6598759869 234 //
qynx 0:bf6598759869 235 //Cursor or display shift 0000 0 0 0 1 S/C R/L x x Set cursor moving and display shift control bit, and the direction, without changing DDRAM data.
qynx 0:bf6598759869 236 // S/C = "1": display shift,
qynx 0:bf6598759869 237 // S/C = "0": cursor shift,
qynx 0:bf6598759869 238 // R/L = "1": shift to right,
qynx 0:bf6598759869 239 // R/L = "0": shift to left.
qynx 0:bf6598759869 240 //
qynx 0:bf6598759869 241 //Double height(4-line)/ 0100 0 0 0 1 UD2 UD1 BS1 DH’ UD2~1: Assign different doubt height format (POR=11)
qynx 0:bf6598759869 242 //Bias/Display-dotshift BS1:BS0 = “00”: 1/5 bias (POR)
qynx 0:bf6598759869 243 // BS1:BS0 = “01”: 1/4 bias
qynx 0:bf6598759869 244 // BS1:BS0 = “10”: 1/7 bias
qynx 0:bf6598759869 245 // BS1:BS0 = “11”: 1/6 bias
qynx 0:bf6598759869 246 // DH’ = "1": display shift enable
qynx 0:bf6598759869 247 // DH’ = "0": dot scroll enable (POR)
qynx 0:bf6598759869 248
qynx 0:bf6598759869 249
qynx 0:bf6598759869 250 //Internal OSC frequency 1000 0 0 0 1 BS0 F2 F1 F0 F2~0: adjust internal OSC frequency for FE frequency (POR: 011)
qynx 0:bf6598759869 251 //Comm_InternalOscFrequency = 0x14,
qynx 0:bf6598759869 252 //
qynx 0:bf6598759869 253 //Shiftenable 1100 0 0 0 1 DS4 DS3 DS2 DS1 (when DH’ = "1") POR DS4~1=1111 Determine the line for display shift.
qynx 0:bf6598759869 254 // DS1 = "1/0": 1st line display shift enable/disable
qynx 0:bf6598759869 255 // DS2 = "1/0": 2nd line display shift enable/disable
qynx 0:bf6598759869 256 // DS3 = "1/0": 3rd line display shift enable/disable
qynx 0:bf6598759869 257 // DS4 = "1/0": 4th line display shift enable/disable.
qynx 0:bf6598759869 258 //Scroll enable 1100 0 0 0 1 HS4 HS3 HS2 HS1 (when DH’ = "0") POR HS4~1=1111 Determine the line for horizontal smooth scroll.
qynx 0:bf6598759869 259 // HS1 = "1/0": 1st line dot scroll enable/disable
qynx 0:bf6598759869 260 // HS2 = "1/0": 2nd line dot scroll enable/disable
qynx 0:bf6598759869 261 // HS3 = "1/0": 3rd line dot scroll enable/disable
qynx 0:bf6598759869 262 // HS4 = "1/0": 4th line dot scroll enable/disable.
qynx 0:bf6598759869 263 //
qynx 0:bf6598759869 264 //Function set X000 0 0 1 DL N DH RE(0) IS Set interface data length DL = "1": 8-bit (POR),
qynx 0:bf6598759869 265 // DL = "0": 4-bit
qynx 0:bf6598759869 266 // Numbers of display line N = "1": 2-line (NW=0)/ 4-line(NW=1),
qynx 0:bf6598759869 267 // N = "0": 1-line (NW=0)/ 3-line(NW=1)
qynx 0:bf6598759869 268 // Extension register, RE("0") at this instruction, RE must be "0".
qynx 0:bf6598759869 269 // Shift/scroll enable DH = “ 1/0”: Double height font control for 2-line mode enable/ disable (POR=0)
qynx 0:bf6598759869 270 // IS Special registers enable bit at this moment, must be "0".
qynx 0:bf6598759869 271
qynx 0:bf6598759869 272
qynx 0:bf6598759869 273 //Comm_FunctionSet_Normal = 0x3a, // 0011 1010
qynx 0:bf6598759869 274 //Comm_FunctionSet_Normal = 0x38, // 0011 1000
qynx 0:bf6598759869 275
qynx 0:bf6598759869 276
qynx 0:bf6598759869 277 //
qynx 0:bf6598759869 278 //
qynx 0:bf6598759869 279 // X100 0 0 1 DL N BE RE(1) REV Set DL, N, RE("1") CGRAM/SEGRAM blink enable BE = " 1/0": CGRAM/SEGRAM blink enable/disable (POR=0)
qynx 0:bf6598759869 280 // Reverse bit REV = "1": reverse display, REV = "0": normal display (POR).
qynx 0:bf6598759869 281 //
qynx 0:bf6598759869 282 //set CGRAM address 0000 0 1 AC5 AC4 AC3 AC2 AC1 AC0 Set CGRAM address in address counter. (POR=00 0000)
qynx 0:bf6598759869 283
qynx 0:bf6598759869 284 //set SEGRAM address 1000 0 1 0 0 AC3 AC2 AC1 AC0 Set SEGRAM address in address counter. (POR=0000)
qynx 0:bf6598759869 285 //
qynx 0:bf6598759869 286 //Power/
qynx 0:bf6598759869 287 //Icon control/
qynx 0:bf6598759869 288 //Contrast set 1000 0 1 0 1 Ion Bon C5 C4 Ion = “1/0”: ICON (SEGRAM) display on/off (POR=0)
qynx 0:bf6598759869 289 // Bon = “1/0”: set booster and regulator circuit on/off (POR=0)
qynx 0:bf6598759869 290 // C5, C4: Contrast set for internal follower mode (POR=10)
qynx 0:bf6598759869 291 //
qynx 0:bf6598759869 292 //Follower Control 1000 0 1 1 0 Don Rab2 Rab1 Rab0 Don: Set divider circuit on/ off (POR=0)
qynx 0:bf6598759869 293 // Rab2~0: Select Amplifier internal resistor ratio (POR=010)
qynx 0:bf6598759869 294 //
qynx 0:bf6598759869 295 //Contrast Set 1000 0 1 1 1 C3 C2 C1 C0 C3~0: Contrast set for internal follower mode (POR=0000)
qynx 0:bf6598759869 296 //
qynx 0:bf6598759869 297 //set DDRAM address X000 1 AC6 AC5 AC4 AC3 AC2 AC1 AC0 Set DDRAM address in address counter. (POR=000 0000)
qynx 0:bf6598759869 298 //
qynx 0:bf6598759869 299 //set scroll quantity X100 1 X SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 Set the quantity of horizontal dot scroll. (POR=00 0000)
qynx 0:bf6598759869 300 //
qynx 0:bf6598759869 301 //Read busy flag and Can be known whether during internal operation or not by reading BF.
qynx 0:bf6598759869 302 //address/part ID XX01 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0 The contents of address counter or the part ID can also be read.
qynx 0:bf6598759869 303 // / / / / / / / When it is read the first time, the address counter can be read.
qynx 0:bf6598759869 304 // ID6 ID5 ID4 ID3 ID2 ID1 ID0 When it is read the second time, the part ID can be read.
qynx 0:bf6598759869 305 //
qynx 0:bf6598759869 306 // BF = "1": busy state
qynx 0:bf6598759869 307 // BF = "0": ready state
qynx 0:bf6598759869 308 //
qynx 0:bf6598759869 309 //write data XX10 D7 D6 D5 D4 D3 D2 D1 D0 Write data into internal RAM (DDRAM / CGRAM / SEGRAM).
qynx 0:bf6598759869 310 //read data XX11 D7 D6 D5 D4 D3 D2 D1 D0 Read data from internal RAM (DDRAM / CGRAM / SEGRAM).
qynx 0:bf6598759869 311 //
qynx 0:bf6598759869 312 //
qynx 0:bf6598759869 313
qynx 0:bf6598759869 314
qynx 0:bf6598759869 315 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
qynx 0:bf6598759869 316 // Extended Instruction Set
qynx 0:bf6598759869 317 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
qynx 0:bf6598759869 318 //
qynx 0:bf6598759869 319 //Temperature X100 0 1 1 1 0 1 1 0 Set Temperature Coefficient TC2~0:
qynx 0:bf6598759869 320 //Coefficient 000: Reserved
qynx 0:bf6598759869 321 //Control 001: Reserved
qynx 0:bf6598759869 322 // 010: -0.05%/ﾟC (POR)
qynx 0:bf6598759869 323 //Temperature XX10 0 0 0 0 0 TC2 TC1 TC0 011: Reserved
qynx 0:bf6598759869 324 //Coefficient 100: -0.10%/ﾟC
qynx 0:bf6598759869 325 //Control 101: Reserved
qynx 0:bf6598759869 326 //Settings 110: -0.15%/ﾟC
qynx 0:bf6598759869 327 // 111: -0.20%/ﾟC
qynx 0:bf6598759869 328 //
qynx 0:bf6598759869 329 //ROM Selection X100 0 1 1 1 0 0 1 0 Writing data into ROM selection
qynx 0:bf6598759869 330 //ROM Selection Settings XX10 0 0 0 0 ROM2 ROM1 0 0 register enables the selection of
qynx 0:bf6598759869 331 // ROM A, B or C.
qynx 0:bf6598759869 332 // ROM2~1:
qynx 0:bf6598759869 333 // 00: ROMA
qynx 0:bf6598759869 334 // 01: ROMB
qynx 0:bf6598759869 335 // 10: ROMC
qynx 0:bf6598759869 336 // 11: Invalid
qynx 0:bf6598759869 337
qynx 0:bf6598759869 338 } _commands;
qynx 0:bf6598759869 339
qynx 0:bf6598759869 340 typedef enum {
qynx 0:bf6598759869 341 MaxCharsInALine = 0x14, // buffer depth for one line (no scroll function used)
qynx 0:bf6598759869 342 COMMAND = 0x00,
qynx 0:bf6598759869 343 DATA = 0x40
qynx 0:bf6598759869 344 } _constants;
qynx 0:bf6598759869 345
qynx 0:bf6598759869 346
qynx 0:bf6598759869 347 char curs[LINES]; // Character position on line
qynx 0:bf6598759869 348 void init( const char* init_message );
qynx 0:bf6598759869 349 void clear_rest_of_line( unsigned char line );
qynx 0:bf6598759869 350 int lcd_write( char first, char second );
qynx 0:bf6598759869 351 int lcd_command( char command );
qynx 0:bf6598759869 352 int lcd_data( char data );
qynx 0:bf6598759869 353 I2C *i2c_p;
qynx 0:bf6598759869 354 I2C &i2c;
qynx 0:bf6598759869 355 char i2c_addr;
qynx 0:bf6598759869 356 char charsInLine;
qynx 0:bf6598759869 357
qynx 0:bf6598759869 358 };
qynx 0:bf6598759869 359
qynx 0:bf6598759869 360
qynx 0:bf6598759869 361 #endif
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