Keisha Brathwaite / KBrat-SSD541-HW-15-1

KBrat-SSD541-HW-15-1

Fork of SLCD_minus_mod by Stanley Cohen

SLCD.cpp@0:d04758e76d5b, 2014-01-14 (annotated)

Committer:
Sissors
Date:
Tue Jan 14 07:00:15 2014 +0000
Revision:
0:d04758e76d5b
Child:
1:1579bcd31410
v0.01

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Sissors 0:d04758e76d5b 1 #include "SLCD.h"
Sissors 0:d04758e76d5b 2 #include "LCD_config.h"
Sissors 0:d04758e76d5b 3
Sissors 0:d04758e76d5b 4
Sissors 0:d04758e76d5b 5 const uint8_t WF_ORDERING_TABLE[ ] =
Sissors 0:d04758e76d5b 6 {
Sissors 0:d04758e76d5b 7 CHAR1a, // LCD81 --- Pin:5 LCDnAddress=51
Sissors 0:d04758e76d5b 8 CHAR1b, // LCD82 --- Pin:6 LCDnAddress=52
Sissors 0:d04758e76d5b 9 CHAR2a, // LCD83 --- Pin:7 LCDnAddress=53
Sissors 0:d04758e76d5b 10 CHAR2b, // LCD84 --- Pin:8 LCDnAddress=54
Sissors 0:d04758e76d5b 11 CHAR3a, // LCD85 --- Pin:9 LCDnAddress=55
Sissors 0:d04758e76d5b 12 CHAR3b, // LCD86 --- Pin:10 LCDnAddress=56
Sissors 0:d04758e76d5b 13 CHAR4a, // LCD87 --- Pin:11 LCDnAddress=57
Sissors 0:d04758e76d5b 14 CHAR4b, // LCD88 --- Pin:12 LCDnAddress=58
Sissors 0:d04758e76d5b 15 CHARCOM0, // LCD77 --- Pin:1 LCDnAddress=4D
Sissors 0:d04758e76d5b 16 CHARCOM1, // LCD78 --- Pin:2 LCDnAddress=4E
Sissors 0:d04758e76d5b 17 CHARCOM2, // LCD79 --- Pin:3 LCDnAddress=4F
Sissors 0:d04758e76d5b 18 CHARCOM3, // LCD80 --- Pin:4 LCDnAddress=50
Sissors 0:d04758e76d5b 19 };
Sissors 0:d04758e76d5b 20
Sissors 0:d04758e76d5b 21 const char ASCII_TO_WF_CODIFICATION_TABLE [ ] =
Sissors 0:d04758e76d5b 22 {
Sissors 0:d04758e76d5b 23 ( SEGD+ SEGE+ SEGF+!SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 0, offset=0
Sissors 0:d04758e76d5b 24 (!SEGD+!SEGE+!SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = 1, offset=4
Sissors 0:d04758e76d5b 25 ( SEGD+ SEGE+!SEGF+ SEGG) , (!SEGC+ SEGB+ SEGA) ,//Char = 2, offset=8
Sissors 0:d04758e76d5b 26 ( SEGD+!SEGE+!SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 3, offset=12
Sissors 0:d04758e76d5b 27 (!SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = 4, offset=16
Sissors 0:d04758e76d5b 28 ( SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+ SEGA) ,//Char = 5, offset=20
Sissors 0:d04758e76d5b 29 ( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+ SEGA) ,//Char = 6, offset=24
Sissors 0:d04758e76d5b 30 (!SEGD+!SEGE+!SEGF+!SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 7, offset=28
Sissors 0:d04758e76d5b 31 ( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 8, offset=32
Sissors 0:d04758e76d5b 32 ( SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = 9, offset=36
Sissors 0:d04758e76d5b 33 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = :, offset=40
Sissors 0:d04758e76d5b 34 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = ;, offset=44
Sissors 0:d04758e76d5b 35 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = <, offset=48
Sissors 0:d04758e76d5b 36 ( SEGD+!SEGE+!SEGF+ SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = =, offset=52
Sissors 0:d04758e76d5b 37 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = >, offset=56
Sissors 0:d04758e76d5b 38 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = ?, offset=60
Sissors 0:d04758e76d5b 39 ( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = @, offset=64
Sissors 0:d04758e76d5b 40 (!SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = A, offset=68
Sissors 0:d04758e76d5b 41 ( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+!SEGA) ,//Char = B, offset=72
Sissors 0:d04758e76d5b 42 ( SEGD+ SEGE+ SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = C, offset=76
Sissors 0:d04758e76d5b 43 ( SEGD+ SEGE+!SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = D, offset=80
Sissors 0:d04758e76d5b 44 ( SEGD+ SEGE+ SEGF+ SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = E, offset=84
Sissors 0:d04758e76d5b 45 (!SEGD+ SEGE+ SEGF+ SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = F, offset=88
Sissors 0:d04758e76d5b 46 ( SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+ SEGA) ,//Char = G, offset=92
Sissors 0:d04758e76d5b 47 (!SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = H, offset=96
Sissors 0:d04758e76d5b 48 (!SEGD+!SEGE+!SEGF+!SEGG) , ( SEGC+!SEGB+!SEGA) ,//Char = I, offset=100
Sissors 0:d04758e76d5b 49 ( SEGD+ SEGE+!SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = J, offset=104
Sissors 0:d04758e76d5b 50 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = K, offset=108
Sissors 0:d04758e76d5b 51 ( SEGD+ SEGE+ SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = L, offset=112
Sissors 0:d04758e76d5b 52 (!SEGD+ SEGE+ SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = M, offset=116
Sissors 0:d04758e76d5b 53 (!SEGD+ SEGE+!SEGF+ SEGG) , ( SEGC+!SEGB+!SEGA) ,//Char = N, offset=120
Sissors 0:d04758e76d5b 54 ( SEGD+ SEGE+!SEGF+ SEGG) , ( SEGC+!SEGB+!SEGA) ,//Char = O, offset=124
Sissors 0:d04758e76d5b 55 (!SEGD+ SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = P, offset=128
Sissors 0:d04758e76d5b 56 ( SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+ SEGB+ SEGA) ,//Char = Q, offset=132
Sissors 0:d04758e76d5b 57 (!SEGD+ SEGE+ SEGF+ SEGG) , (!SEGC+ SEGB+ SEGA) ,//Char = R, offset=136
Sissors 0:d04758e76d5b 58 ( SEGD+!SEGE+ SEGF+ SEGG) , ( SEGC+!SEGB+ SEGA) ,//Char = S, offset=140
Sissors 0:d04758e76d5b 59 ( SEGD+ SEGE+ SEGF+ SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = T, offset=144
Sissors 0:d04758e76d5b 60 ( SEGD+ SEGE+ SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = U, offset=148
Sissors 0:d04758e76d5b 61 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = V, offset=152
Sissors 0:d04758e76d5b 62 (!SEGD+ SEGE+ SEGF+!SEGG) , ( SEGC+ SEGB+!SEGA) ,//Char = W, offset=156
Sissors 0:d04758e76d5b 63 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = X, offset=160
Sissors 0:d04758e76d5b 64 (!SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+!SEGA) ,//Char = Y, offset=164
Sissors 0:d04758e76d5b 65 ( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = Z, offset=168
Sissors 0:d04758e76d5b 66 ( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = [, offset=172
Sissors 0:d04758e76d5b 67 ( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = \, offset=176
Sissors 0:d04758e76d5b 68 ( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = ], offset=180
Sissors 0:d04758e76d5b 69 ( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = ^, offset=184
Sissors 0:d04758e76d5b 70 ( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = _, offset=188
Sissors 0:d04758e76d5b 71 ( SEGD+!SEGE+!SEGF+!SEGG) , (!SEGC+!SEGB+ SEGA) ,//Char = `, offset=192
Sissors 0:d04758e76d5b 72 };
Sissors 0:d04758e76d5b 73
Sissors 0:d04758e76d5b 74 SLCD::SLCD() {
Sissors 0:d04758e76d5b 75 init();
Sissors 0:d04758e76d5b 76 bLCD_CharPosition = 0;
Sissors 0:d04758e76d5b 77
Sissors 0:d04758e76d5b 78 }
Sissors 0:d04758e76d5b 79
Sissors 0:d04758e76d5b 80
Sissors 0:d04758e76d5b 81 void SLCD::init(){
Sissors 0:d04758e76d5b 82 SIM->SCGC5 |= SIM_SCGC5_SLCD_MASK | SIM_SCGC5_PORTB_MASK | SIM_SCGC5_PORTC_MASK | SIM_SCGC5_PORTD_MASK | SIM_SCGC5_PORTE_MASK;
Sissors 0:d04758e76d5b 83
Sissors 0:d04758e76d5b 84 //* configure pins for LCD operation
Sissors 0:d04758e76d5b 85 PORTC->PCR[20] = 0x00000000; //VLL2
Sissors 0:d04758e76d5b 86 PORTC->PCR[21] = 0x00000000; //VLL1
Sissors 0:d04758e76d5b 87 PORTC->PCR[22] = 0x00000000; //VCAP2
Sissors 0:d04758e76d5b 88 PORTC->PCR[23] = 0x00000000; //VCAP1
Sissors 0:d04758e76d5b 89
Sissors 0:d04758e76d5b 90
Sissors 0:d04758e76d5b 91
Sissors 0:d04758e76d5b 92 // Enable IRCLK
Sissors 0:d04758e76d5b 93 MCG->C1 = MCG_C1_IRCLKEN_MASK | MCG_C1_IREFSTEN_MASK;
Sissors 0:d04758e76d5b 94 MCG->C2 &= ~MCG_C2_IRCS_MASK ; //0 32KHZ internal reference clock; 1= 4MHz irc
Sissors 0:d04758e76d5b 95
Sissors 0:d04758e76d5b 96 LCD->GCR = 0x0;
Sissors 0:d04758e76d5b 97 LCD->AR = 0x0;
Sissors 0:d04758e76d5b 98
Sissors 0:d04758e76d5b 99 /* LCD configurartion according to */
Sissors 0:d04758e76d5b 100 LCD->GCR = ( LCD_GCR_RVEN_MASK*_LCDRVEN
Sissors 0:d04758e76d5b 101 | LCD_GCR_RVTRIM(_LCDRVTRIM) //0-15
Sissors 0:d04758e76d5b 102 | LCD_GCR_CPSEL_MASK*_LCDCPSEL
Sissors 0:d04758e76d5b 103 | LCD_GCR_LADJ(_LCDLOADADJUST) //0-3*/
Sissors 0:d04758e76d5b 104 | LCD_GCR_VSUPPLY_MASK*_LCDSUPPLY //0-1*/
Sissors 0:d04758e76d5b 105 |!LCD_GCR_FDCIEN_MASK
Sissors 0:d04758e76d5b 106 | LCD_GCR_ALTDIV(_LCDALTDIV) //0-3
Sissors 0:d04758e76d5b 107 |!LCD_GCR_LCDDOZE_MASK
Sissors 0:d04758e76d5b 108 |!LCD_GCR_LCDSTP_MASK
Sissors 0:d04758e76d5b 109 |!LCD_GCR_LCDEN_MASK //WILL BE ENABLE ON SUBSEQUENT STEP
Sissors 0:d04758e76d5b 110 | LCD_GCR_SOURCE_MASK*_LCDCLKSOURCE
Sissors 0:d04758e76d5b 111 | LCD_GCR_ALTSOURCE_MASK*_LCDALRCLKSOURCE
Sissors 0:d04758e76d5b 112 | LCD_GCR_LCLK(_LCDLCK) //0-7
Sissors 0:d04758e76d5b 113 | LCD_GCR_DUTY(_LCDDUTY) //0-7
Sissors 0:d04758e76d5b 114 );
Sissors 0:d04758e76d5b 115
Sissors 0:d04758e76d5b 116 vfnEnablePins(); // Enable LCD pins and Configure BackPlanes
Sissors 0:d04758e76d5b 117 LCD->GCR |= LCD_GCR_LCDEN_MASK;
Sissors 0:d04758e76d5b 118 }
Sissors 0:d04758e76d5b 119
Sissors 0:d04758e76d5b 120 void SLCD::vfnEnablePins (void)
Sissors 0:d04758e76d5b 121 {
Sissors 0:d04758e76d5b 122 uint8_t i;
Sissors 0:d04758e76d5b 123 uint32_t *p_pen;
Sissors 0:d04758e76d5b 124 uint8_t pen_offset; // 0 or 1
Sissors 0:d04758e76d5b 125 uint8_t pen_bit; //0 to 31
Sissors 0:d04758e76d5b 126
Sissors 0:d04758e76d5b 127 LCD->PEN[0] = 0x0;
Sissors 0:d04758e76d5b 128 LCD->PEN[1] = 0x0;
Sissors 0:d04758e76d5b 129 LCD->BPEN[0] = 0x0;
Sissors 0:d04758e76d5b 130 LCD->BPEN[1] = 0x0;
Sissors 0:d04758e76d5b 131
Sissors 0:d04758e76d5b 132 p_pen = (uint32_t *)&LCD->PEN[0];
Sissors 0:d04758e76d5b 133
Sissors 0:d04758e76d5b 134 for (i=0;i<_LCDUSEDPINS;i++)
Sissors 0:d04758e76d5b 135 {
Sissors 0:d04758e76d5b 136 pen_offset = WF_ORDERING_TABLE[i]/32;
Sissors 0:d04758e76d5b 137 pen_bit = WF_ORDERING_TABLE[i]%32;
Sissors 0:d04758e76d5b 138 p_pen[pen_offset] |= 1 << pen_bit;
Sissors 0:d04758e76d5b 139 if (i>= _LCDFRONTPLANES) // Pin is a backplane
Sissors 0:d04758e76d5b 140 {
Sissors 0:d04758e76d5b 141 p_pen[pen_offset+2] |= 1 << pen_bit; // Enable BPEN
Sissors 0:d04758e76d5b 142 LCD->WF8B[(uint8_t)WF_ORDERING_TABLE[i]] = 1 << (i - _LCDFRONTPLANES); // fill with 0x01, 0x02, etc
Sissors 0:d04758e76d5b 143 }
Sissors 0:d04758e76d5b 144 }
Sissors 0:d04758e76d5b 145 }
Sissors 0:d04758e76d5b 146
Sissors 0:d04758e76d5b 147
Sissors 0:d04758e76d5b 148 void SLCD::vfnLCD_Write_Char (char lbValue) {
Sissors 0:d04758e76d5b 149 uint8_t char_val;
Sissors 0:d04758e76d5b 150 uint8_t temp;
Sissors 0:d04758e76d5b 151 uint8_t *lbpLCDWF;
Sissors 0:d04758e76d5b 152 uint8_t lbCounter;
Sissors 0:d04758e76d5b 153 uint16_t arrayOffset;
Sissors 0:d04758e76d5b 154 uint8_t position;
Sissors 0:d04758e76d5b 155
Sissors 0:d04758e76d5b 156 if (bLCD_CharPosition >= _CHARNUM)
Sissors 0:d04758e76d5b 157 bLCD_CharPosition = 0;
Sissors 0:d04758e76d5b 158
Sissors 0:d04758e76d5b 159 lbpLCDWF = (uint8_t *)&LCD->WF8B[0];
Sissors 0:d04758e76d5b 160 /* only ascii character if value not writeable write as @ */
Sissors 0:d04758e76d5b 161 if (lbValue>='a' && lbValue<='z') {
Sissors 0:d04758e76d5b 162 lbValue -= 32; // UpperCase
Sissors 0:d04758e76d5b 163 }
Sissors 0:d04758e76d5b 164 if (lbValue<ASCCI_TABLE_START || lbValue >ASCCI_TABLE_END) {
Sissors 0:d04758e76d5b 165 lbValue = BLANK_CHARACTER; // default value as space
Sissors 0:d04758e76d5b 166 }
Sissors 0:d04758e76d5b 167 lbValue -=ASCCI_TABLE_START; // Remove the offset to search in the ascci table
Sissors 0:d04758e76d5b 168 arrayOffset = (lbValue * _CHAR_SIZE); // Compensate matrix offset
Sissors 0:d04758e76d5b 169 // ensure bLCD position is in valid limit
Sissors 0:d04758e76d5b 170 lbCounter = 0; //number of writings to complete one char
Sissors 0:d04758e76d5b 171 while (lbCounter<_CHAR_SIZE) {
Sissors 0:d04758e76d5b 172 position = (bLCD_CharPosition) *_LCDTYPE + lbCounter;
Sissors 0:d04758e76d5b 173 temp=0;
Sissors 0:d04758e76d5b 174 if (lbCounter==1) {
Sissors 0:d04758e76d5b 175 temp = lbpLCDWF[WF_ORDERING_TABLE[position]] & 0x01;//bit 0 has the special symbol information
Sissors 0:d04758e76d5b 176 }
Sissors 0:d04758e76d5b 177 char_val = ASCII_TO_WF_CODIFICATION_TABLE[arrayOffset + lbCounter];
Sissors 0:d04758e76d5b 178 lbpLCDWF[WF_ORDERING_TABLE[position]] = char_val | temp;
Sissors 0:d04758e76d5b 179 // if (char_val==0) lbCounter = _CHAR_SIZE; //end of this character
Sissors 0:d04758e76d5b 180 lbCounter++;
Sissors 0:d04758e76d5b 181 }
Sissors 0:d04758e76d5b 182
Sissors 0:d04758e76d5b 183 bLCD_CharPosition++;
Sissors 0:d04758e76d5b 184 }
Sissors 0:d04758e76d5b 185
Sissors 0:d04758e76d5b 186 int SLCD::_putc(int c) {
Sissors 0:d04758e76d5b 187 vfnLCD_Write_Char(c);
Sissors 0:d04758e76d5b 188 return 0;
Sissors 0:d04758e76d5b 189 }
Sissors 0:d04758e76d5b 190