Pete Isley / N_5110_Display

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Dependents:   5110_Display

N_5110_Display.cpp@0:bb60966d6de1, 2011-10-11 (annotated)

Committer:
Fenwiz
Date:
Tue Oct 11 01:14:45 2011 +0000
Revision:
0:bb60966d6de1
Revision 1.00. initial release. stable and fairly robust

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Fenwiz 0:bb60966d6de1 1 #include "mbed.h"
Fenwiz 0:bb60966d6de1 2 #include "N_5110_Display.h"
Fenwiz 0:bb60966d6de1 3 #include "N_5110_Font.h"
Fenwiz 0:bb60966d6de1 4
Fenwiz 0:bb60966d6de1 5
Fenwiz 0:bb60966d6de1 6 N_5110_Display::N_5110_Display( PinName _mosi, PinName _miso, PinName _sclk, PinName _dc, PinName _reset, PinName _cs):
Fenwiz 0:bb60966d6de1 7 spi( _mosi, _miso, _sclk ), dc( _dc ), rst( _reset ), cs( _cs )
Fenwiz 0:bb60966d6de1 8 {
Fenwiz 0:bb60966d6de1 9 initDisplay();
Fenwiz 0:bb60966d6de1 10 }
Fenwiz 0:bb60966d6de1 11
Fenwiz 0:bb60966d6de1 12 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 13
Fenwiz 0:bb60966d6de1 14 void N_5110_Display::initDisplay()
Fenwiz 0:bb60966d6de1 15 {
Fenwiz 0:bb60966d6de1 16 rst=0; //display reset
Fenwiz 0:bb60966d6de1 17 cs=1; //Chip Disabled
Fenwiz 0:bb60966d6de1 18
Fenwiz 0:bb60966d6de1 19 wait(0.5); //allow chip to settle for half second
Fenwiz 0:bb60966d6de1 20
Fenwiz 0:bb60966d6de1 21 spi.format(8,3); //set the SPI interface perameters for the Display
Fenwiz 0:bb60966d6de1 22 spi.frequency(1000000); //1 MHz clock speed
Fenwiz 0:bb60966d6de1 23 PixX = 0; //zero the x, y variables
Fenwiz 0:bb60966d6de1 24 CharX = 0;
Fenwiz 0:bb60966d6de1 25 CharY = 0;
Fenwiz 0:bb60966d6de1 26
Fenwiz 0:bb60966d6de1 27 rst=1; //display reset done
Fenwiz 0:bb60966d6de1 28
Fenwiz 0:bb60966d6de1 29 dc=0; //select Control mode
Fenwiz 0:bb60966d6de1 30 cs=0; //Chip Enabled
Fenwiz 0:bb60966d6de1 31
Fenwiz 0:bb60966d6de1 32 spi.write(0x21); //Function Set (Extenden Instructions)
Fenwiz 0:bb60966d6de1 33 spi.write(0x04); //set 'Temp Coef' value
Fenwiz 0:bb60966d6de1 34 spi.write(0x13); //set 'Bias' value
Fenwiz 0:bb60966d6de1 35 spi.write(0xBF); //set 'V_op' value
Fenwiz 0:bb60966d6de1 36 spi.write(0x22); //Function Set (Basic Instructions)
Fenwiz 0:bb60966d6de1 37 spi.write(0x0C); //Display Control
Fenwiz 0:bb60966d6de1 38
Fenwiz 0:bb60966d6de1 39 clrDisp(); //Clear the Display
Fenwiz 0:bb60966d6de1 40 }
Fenwiz 0:bb60966d6de1 41
Fenwiz 0:bb60966d6de1 42 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 43
Fenwiz 0:bb60966d6de1 44 void N_5110_Display::clrDisp()
Fenwiz 0:bb60966d6de1 45 {
Fenwiz 0:bb60966d6de1 46 long x;
Fenwiz 0:bb60966d6de1 47
Fenwiz 0:bb60966d6de1 48 dc=1; //select Data mode
Fenwiz 0:bb60966d6de1 49 cs=0; //Chip Enabled
Fenwiz 0:bb60966d6de1 50
Fenwiz 0:bb60966d6de1 51 for (x=0; x<504; x++) //Clear the display memory
Fenwiz 0:bb60966d6de1 52 {
Fenwiz 0:bb60966d6de1 53 spi.write( 0 );
Fenwiz 0:bb60966d6de1 54 }
Fenwiz 0:bb60966d6de1 55
Fenwiz 0:bb60966d6de1 56 cs=1; //Chip Disabled
Fenwiz 0:bb60966d6de1 57 }
Fenwiz 0:bb60966d6de1 58
Fenwiz 0:bb60966d6de1 59 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 60
Fenwiz 0:bb60966d6de1 61 void N_5110_Display::setDispPos(int DispX, int DispY)
Fenwiz 0:bb60966d6de1 62 {
Fenwiz 0:bb60966d6de1 63 unsigned char Xtemp, Ytemp;
Fenwiz 0:bb60966d6de1 64
Fenwiz 0:bb60966d6de1 65 Xtemp = DispX | 0x80; //add in the column select BIT
Fenwiz 0:bb60966d6de1 66 Ytemp = (DispY & 0x07) | 0x40;
Fenwiz 0:bb60966d6de1 67
Fenwiz 0:bb60966d6de1 68 dc=0; //select Control mode
Fenwiz 0:bb60966d6de1 69 cs=0; //Chip Enabled
Fenwiz 0:bb60966d6de1 70
Fenwiz 0:bb60966d6de1 71 spi.write(Xtemp); //Set the column value
Fenwiz 0:bb60966d6de1 72 spi.write(Ytemp); //set the row value
Fenwiz 0:bb60966d6de1 73
Fenwiz 0:bb60966d6de1 74 cs=1; //Chip Disabled
Fenwiz 0:bb60966d6de1 75 }
Fenwiz 0:bb60966d6de1 76
Fenwiz 0:bb60966d6de1 77 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 78
Fenwiz 0:bb60966d6de1 79 int N_5110_Display::setCharPos(int x, int y)
Fenwiz 0:bb60966d6de1 80 //x is the character column number 0 to 13. y is the character row number 0 to 5.
Fenwiz 0:bb60966d6de1 81 //The column is multiplied by 6 to get the display column value, as each 5 x 8 char occupies a 6 x 8 space
Fenwiz 0:bb60966d6de1 82 {
Fenwiz 0:bb60966d6de1 83 unsigned char Xacc;
Fenwiz 0:bb60966d6de1 84
Fenwiz 0:bb60966d6de1 85 if (x>13 || y>5) return -1; //check magnitude of co-ordinates and store
Fenwiz 0:bb60966d6de1 86
Fenwiz 0:bb60966d6de1 87 Xacc = x<<2; //multiply the char column (x) by 6 to get the Display column
Fenwiz 0:bb60966d6de1 88 Xacc = Xacc + (x<<1);
Fenwiz 0:bb60966d6de1 89
Fenwiz 0:bb60966d6de1 90 PixX = Xacc;
Fenwiz 0:bb60966d6de1 91 CharX = x;
Fenwiz 0:bb60966d6de1 92 CharY = y;
Fenwiz 0:bb60966d6de1 93
Fenwiz 0:bb60966d6de1 94 setDispPos(PixX, CharY);
Fenwiz 0:bb60966d6de1 95
Fenwiz 0:bb60966d6de1 96 return 0;
Fenwiz 0:bb60966d6de1 97 }
Fenwiz 0:bb60966d6de1 98
Fenwiz 0:bb60966d6de1 99 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 100
Fenwiz 0:bb60966d6de1 101 void N_5110_Display::clrMagArray( unsigned char Xmag, unsigned char Ymag, bool FullWidth )
Fenwiz 0:bb60966d6de1 102 {
Fenwiz 0:bb60966d6de1 103 unsigned char magDataX, magDataY, width;
Fenwiz 0:bb60966d6de1 104
Fenwiz 0:bb60966d6de1 105 width = FullWidth?6:5;
Fenwiz 0:bb60966d6de1 106
Fenwiz 0:bb60966d6de1 107 for (magDataX=0; magDataX<Xmag*width; magDataX++) //clear the magnification array
Fenwiz 0:bb60966d6de1 108 {
Fenwiz 0:bb60966d6de1 109 for (magDataY=0; magDataY<Ymag; magDataY++)
Fenwiz 0:bb60966d6de1 110 {
Fenwiz 0:bb60966d6de1 111 magData[magDataX][magDataY] = 0;
Fenwiz 0:bb60966d6de1 112 }
Fenwiz 0:bb60966d6de1 113 }
Fenwiz 0:bb60966d6de1 114 }
Fenwiz 0:bb60966d6de1 115
Fenwiz 0:bb60966d6de1 116 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 117
Fenwiz 0:bb60966d6de1 118 void N_5110_Display::smoothEdges( unsigned char Xmag, unsigned char Ymag )
Fenwiz 0:bb60966d6de1 119 //Quick and dirty character smoothing but only if there is magnification in both X and Y directions. Intended to improve readability
Fenwiz 0:bb60966d6de1 120 //at higher magnifications but doesn't realy smooth very well.
Fenwiz 0:bb60966d6de1 121 //I'm sure that someone can come up with a better solution than this, but I didn't have time to code an Interpolation algorithm or
Fenwiz 0:bb60966d6de1 122 //creata vectored drawing system.
Fenwiz 0:bb60966d6de1 123 {
Fenwiz 0:bb60966d6de1 124 unsigned char Xpos, Ypos, tempByte1, tempByte2, tempByte3, and1, and2, totaland, repeater;
Fenwiz 0:bb60966d6de1 125
Fenwiz 0:bb60966d6de1 126 if (Xmag<2 || Ymag<2) return; //check for enough magnification to work with
Fenwiz 0:bb60966d6de1 127
Fenwiz 0:bb60966d6de1 128 for (repeater=0; repeater<(Xmag*Ymag)/(Xmag+Ymag); repeater++) //calc sensible number of itterations
Fenwiz 0:bb60966d6de1 129 {
Fenwiz 0:bb60966d6de1 130
Fenwiz 0:bb60966d6de1 131 for (Ypos=0; Ypos<Ymag; Ypos++)
Fenwiz 0:bb60966d6de1 132 {
Fenwiz 0:bb60966d6de1 133 for (Xpos=0; Xpos<Xmag*6-1; Xpos++) //scan left to right
Fenwiz 0:bb60966d6de1 134 {
Fenwiz 0:bb60966d6de1 135 tempByte1 = magData[Xpos+1][Ypos]; //get the following byte
Fenwiz 0:bb60966d6de1 136 tempByte2 = magData[Xpos][Ypos]; //get the current byte
Fenwiz 0:bb60966d6de1 137 tempByte3 = tempByte1 ^ tempByte2; //check for a change
Fenwiz 0:bb60966d6de1 138
Fenwiz 0:bb60966d6de1 139 if (tempByte3 != 0)
Fenwiz 0:bb60966d6de1 140 {
Fenwiz 0:bb60966d6de1 141 tempByte2 >>= 1; //shift up (Right towards LSB)
Fenwiz 0:bb60966d6de1 142
Fenwiz 0:bb60966d6de1 143 if (Ypos+1 <= Ymag)
Fenwiz 0:bb60966d6de1 144 {
Fenwiz 0:bb60966d6de1 145 tempByte3 = magData[Xpos][Ypos+1]; //get missing BIT from byte below
Fenwiz 0:bb60966d6de1 146 tempByte3 <<= 7;
Fenwiz 0:bb60966d6de1 147 tempByte2 |= tempByte3;
Fenwiz 0:bb60966d6de1 148 }
Fenwiz 0:bb60966d6de1 149
Fenwiz 0:bb60966d6de1 150 and1 = tempByte1 & tempByte2;
Fenwiz 0:bb60966d6de1 151
Fenwiz 0:bb60966d6de1 152 tempByte2 = magData[Xpos][Ypos]; //re-load the current byte
Fenwiz 0:bb60966d6de1 153 tempByte2 <<= 1; //shift down (Left towards the MSB)
Fenwiz 0:bb60966d6de1 154
Fenwiz 0:bb60966d6de1 155 if (Ypos > 0)
Fenwiz 0:bb60966d6de1 156 {
Fenwiz 0:bb60966d6de1 157 tempByte3 = magData[Xpos][Ypos-1]; //get missing BIT from byte above
Fenwiz 0:bb60966d6de1 158 tempByte3 >>= 7;
Fenwiz 0:bb60966d6de1 159 tempByte2 |= tempByte3;
Fenwiz 0:bb60966d6de1 160 }
Fenwiz 0:bb60966d6de1 161
Fenwiz 0:bb60966d6de1 162 and2 = tempByte1 & tempByte2;
Fenwiz 0:bb60966d6de1 163
Fenwiz 0:bb60966d6de1 164 totaland = (and1 | and2);
Fenwiz 0:bb60966d6de1 165 magData[Xpos][Ypos] |= totaland; //incorpoate the extra bits into the magData }
Fenwiz 0:bb60966d6de1 166 }
Fenwiz 0:bb60966d6de1 167 }
Fenwiz 0:bb60966d6de1 168
Fenwiz 0:bb60966d6de1 169 for (Xpos=Xmag*6; Xpos>0; Xpos--) //scan right to left
Fenwiz 0:bb60966d6de1 170 {
Fenwiz 0:bb60966d6de1 171 tempByte1 = magData[Xpos-2][Ypos]; //get following byte
Fenwiz 0:bb60966d6de1 172 tempByte2 = magData[Xpos-1][Ypos]; //get the current byte
Fenwiz 0:bb60966d6de1 173 tempByte3 = tempByte1 ^ tempByte2; //check for change
Fenwiz 0:bb60966d6de1 174
Fenwiz 0:bb60966d6de1 175 if (tempByte3 != 0)
Fenwiz 0:bb60966d6de1 176 {
Fenwiz 0:bb60966d6de1 177 tempByte2 >>= 1; //shift up (Right towards the LSB)
Fenwiz 0:bb60966d6de1 178
Fenwiz 0:bb60966d6de1 179 if (Ypos+1 <= Ymag)
Fenwiz 0:bb60966d6de1 180 {
Fenwiz 0:bb60966d6de1 181 tempByte3 = magData[Xpos-1][Ypos+1]; //get missing BIT from byte below
Fenwiz 0:bb60966d6de1 182 tempByte3 <<= 7;
Fenwiz 0:bb60966d6de1 183 tempByte2 |= tempByte3;
Fenwiz 0:bb60966d6de1 184 }
Fenwiz 0:bb60966d6de1 185
Fenwiz 0:bb60966d6de1 186 and1 = tempByte1 & tempByte2;
Fenwiz 0:bb60966d6de1 187
Fenwiz 0:bb60966d6de1 188 tempByte2 = magData[Xpos-1][Ypos]; //re-load the current byte
Fenwiz 0:bb60966d6de1 189 tempByte2 <<= 1; //shift down (Left towards the MSB)
Fenwiz 0:bb60966d6de1 190
Fenwiz 0:bb60966d6de1 191 if (Ypos > 0)
Fenwiz 0:bb60966d6de1 192 {
Fenwiz 0:bb60966d6de1 193 tempByte3 = magData[Xpos-1][Ypos-1]; //get missing Bits from byte above
Fenwiz 0:bb60966d6de1 194 tempByte3 >>= 7;
Fenwiz 0:bb60966d6de1 195 tempByte2 |= tempByte3;
Fenwiz 0:bb60966d6de1 196 }
Fenwiz 0:bb60966d6de1 197 and2 = tempByte1 & tempByte2;
Fenwiz 0:bb60966d6de1 198
Fenwiz 0:bb60966d6de1 199 totaland = (and1 | and2);
Fenwiz 0:bb60966d6de1 200 magData[Xpos - 1][Ypos] |= totaland;
Fenwiz 0:bb60966d6de1 201 }
Fenwiz 0:bb60966d6de1 202 }
Fenwiz 0:bb60966d6de1 203 }
Fenwiz 0:bb60966d6de1 204 }
Fenwiz 0:bb60966d6de1 205 }
Fenwiz 0:bb60966d6de1 206
Fenwiz 0:bb60966d6de1 207 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 208
Fenwiz 0:bb60966d6de1 209 void N_5110_Display::magChar( unsigned char c, unsigned char Xmag, unsigned char Ymag )
Fenwiz 0:bb60966d6de1 210 //Expand the basic 5 x 8 char def to the required X and y magnification using an buffer Array
Fenwiz 0:bb60966d6de1 211 {
Fenwiz 0:bb60966d6de1 212 unsigned char tempPat, count, Idx, Xexp, Yexp, bitCounter, bitAcc, srcBit, magDataX, magDataY;
Fenwiz 0:bb60966d6de1 213
Fenwiz 0:bb60966d6de1 214 clrMagArray( Xmag, Ymag, false );
Fenwiz 0:bb60966d6de1 215
Fenwiz 0:bb60966d6de1 216 Idx = c - 32; //shift the ASCII code so it starts from zero
Fenwiz 0:bb60966d6de1 217
Fenwiz 0:bb60966d6de1 218 magDataX = 0;
Fenwiz 0:bb60966d6de1 219
Fenwiz 0:bb60966d6de1 220 for (count=0; count<5; count++) //5 bytes per char def
Fenwiz 0:bb60966d6de1 221 {
Fenwiz 0:bb60966d6de1 222 bitCounter = Ymag/2; //offset the image Y position by half the Y magnification factor
Fenwiz 0:bb60966d6de1 223 bitAcc = 0;
Fenwiz 0:bb60966d6de1 224 magDataY = 0;
Fenwiz 0:bb60966d6de1 225 tempPat = font_data[Idx][count]; //get column Bit pattern to expand in the y direction by bit replication
Fenwiz 0:bb60966d6de1 226 //LSB is top Bit position
Fenwiz 0:bb60966d6de1 227
Fenwiz 0:bb60966d6de1 228 for (srcBit=0; srcBit<8; srcBit++) //process each of the 8 bits in the source byte
Fenwiz 0:bb60966d6de1 229 {
Fenwiz 0:bb60966d6de1 230 for (Yexp=0; Yexp<Ymag; Yexp++) //each Bit in each def byte is duplicated Ymag times in the Y direction
Fenwiz 0:bb60966d6de1 231 {
Fenwiz 0:bb60966d6de1 232 bitAcc >>= 1; //shift the accumulator 1 bit to the left
Fenwiz 0:bb60966d6de1 233
Fenwiz 0:bb60966d6de1 234 if ((tempPat & 1) > 0)
Fenwiz 0:bb60966d6de1 235 {
Fenwiz 0:bb60966d6de1 236 bitAcc |= 0x80; //set msb
Fenwiz 0:bb60966d6de1 237 } else {
Fenwiz 0:bb60966d6de1 238 bitAcc &= 0x7F; //clear msb
Fenwiz 0:bb60966d6de1 239 }
Fenwiz 0:bb60966d6de1 240
Fenwiz 0:bb60966d6de1 241 bitCounter++;
Fenwiz 0:bb60966d6de1 242
Fenwiz 0:bb60966d6de1 243 if (bitCounter > 7) //if the bit accumulator is full then store it and clear it to continue
Fenwiz 0:bb60966d6de1 244 {
Fenwiz 0:bb60966d6de1 245 for (Xexp=0; Xexp<Xmag; Xexp++) //do the X magnification while storingthe Bit Accumulator
Fenwiz 0:bb60966d6de1 246 {
Fenwiz 0:bb60966d6de1 247 magData[magDataX + Xexp][magDataY] = bitAcc;
Fenwiz 0:bb60966d6de1 248 }
Fenwiz 0:bb60966d6de1 249
Fenwiz 0:bb60966d6de1 250 bitAcc = 0;
Fenwiz 0:bb60966d6de1 251 magDataY++;
Fenwiz 0:bb60966d6de1 252 bitCounter = 0;
Fenwiz 0:bb60966d6de1 253 }
Fenwiz 0:bb60966d6de1 254 }
Fenwiz 0:bb60966d6de1 255 tempPat>>=1;
Fenwiz 0:bb60966d6de1 256 }
Fenwiz 0:bb60966d6de1 257 magDataX += Xmag;
Fenwiz 0:bb60966d6de1 258 }
Fenwiz 0:bb60966d6de1 259 smoothEdges( Xmag, Ymag );
Fenwiz 0:bb60966d6de1 260 }
Fenwiz 0:bb60966d6de1 261
Fenwiz 0:bb60966d6de1 262 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 263
Fenwiz 0:bb60966d6de1 264 int N_5110_Display::outputMagData (unsigned char Xmag, unsigned char Ymag, bool FullWidth )
Fenwiz 0:bb60966d6de1 265 {
Fenwiz 0:bb60966d6de1 266 unsigned char XpixTemp, mx, my, width;
Fenwiz 0:bb60966d6de1 267
Fenwiz 0:bb60966d6de1 268 XpixTemp = PixX;
Fenwiz 0:bb60966d6de1 269 width = FullWidth?6:5;
Fenwiz 0:bb60966d6de1 270
Fenwiz 0:bb60966d6de1 271 if (FullWidth == false)
Fenwiz 0:bb60966d6de1 272 {
Fenwiz 0:bb60966d6de1 273 for (mx=0; mx<Xmag/2; mx++)
Fenwiz 0:bb60966d6de1 274 {
Fenwiz 0:bb60966d6de1 275 dc=1; //select Data mode
Fenwiz 0:bb60966d6de1 276 cs=0; //Chip Enabled
Fenwiz 0:bb60966d6de1 277
Fenwiz 0:bb60966d6de1 278 for (my=0; my<Ymag; my++)
Fenwiz 0:bb60966d6de1 279 {
Fenwiz 0:bb60966d6de1 280 spi.write( 0 );
Fenwiz 0:bb60966d6de1 281 }
Fenwiz 0:bb60966d6de1 282
Fenwiz 0:bb60966d6de1 283 cs=1; //Chip Disabled
Fenwiz 0:bb60966d6de1 284
Fenwiz 0:bb60966d6de1 285 XpixTemp += 1;
Fenwiz 0:bb60966d6de1 286 setDispPos(XpixTemp, CharY);
Fenwiz 0:bb60966d6de1 287 }
Fenwiz 0:bb60966d6de1 288 }
Fenwiz 0:bb60966d6de1 289
Fenwiz 0:bb60966d6de1 290 for (mx=0; mx<Xmag*width; mx++)
Fenwiz 0:bb60966d6de1 291 {
Fenwiz 0:bb60966d6de1 292 dc=1; //select Data mode
Fenwiz 0:bb60966d6de1 293 cs=0; //Chip Enabled
Fenwiz 0:bb60966d6de1 294
Fenwiz 0:bb60966d6de1 295 for (my=0; my<Ymag; my++)
Fenwiz 0:bb60966d6de1 296 {
Fenwiz 0:bb60966d6de1 297 spi.write( magData[mx][my] );
Fenwiz 0:bb60966d6de1 298 }
Fenwiz 0:bb60966d6de1 299
Fenwiz 0:bb60966d6de1 300 cs=1; //Chip Disabled
Fenwiz 0:bb60966d6de1 301
Fenwiz 0:bb60966d6de1 302 XpixTemp += 1;
Fenwiz 0:bb60966d6de1 303 setDispPos( XpixTemp, CharY );
Fenwiz 0:bb60966d6de1 304 }
Fenwiz 0:bb60966d6de1 305
Fenwiz 0:bb60966d6de1 306 if (FullWidth == false)
Fenwiz 0:bb60966d6de1 307 {
Fenwiz 0:bb60966d6de1 308 for (mx=0; mx<(Xmag+1)/2; mx++)
Fenwiz 0:bb60966d6de1 309 {
Fenwiz 0:bb60966d6de1 310 dc=1; //select Data mode
Fenwiz 0:bb60966d6de1 311 cs=0; //Chip Enabled
Fenwiz 0:bb60966d6de1 312
Fenwiz 0:bb60966d6de1 313 for (my=0; my<Ymag; my++)
Fenwiz 0:bb60966d6de1 314 {
Fenwiz 0:bb60966d6de1 315 spi.write( 0 );
Fenwiz 0:bb60966d6de1 316 }
Fenwiz 0:bb60966d6de1 317
Fenwiz 0:bb60966d6de1 318 cs=1; //Chip Disabled
Fenwiz 0:bb60966d6de1 319
Fenwiz 0:bb60966d6de1 320 XpixTemp += 1;
Fenwiz 0:bb60966d6de1 321 setDispPos(XpixTemp, CharY);
Fenwiz 0:bb60966d6de1 322 }
Fenwiz 0:bb60966d6de1 323 }
Fenwiz 0:bb60966d6de1 324
Fenwiz 0:bb60966d6de1 325 PixX = XpixTemp;
Fenwiz 0:bb60966d6de1 326 CharX += Xmag;
Fenwiz 0:bb60966d6de1 327
Fenwiz 0:bb60966d6de1 328 return 0;
Fenwiz 0:bb60966d6de1 329 }
Fenwiz 0:bb60966d6de1 330
Fenwiz 0:bb60966d6de1 331 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 332
Fenwiz 0:bb60966d6de1 333 int N_5110_Display::print1char(unsigned char c, unsigned char Xmag, unsigned char Ymag)
Fenwiz 0:bb60966d6de1 334 {
Fenwiz 0:bb60966d6de1 335 if (c<32 | c>127) return -1; //Exit if char is out of range
Fenwiz 0:bb60966d6de1 336
Fenwiz 0:bb60966d6de1 337 if (Xmag<1) Xmag=1; //Clamp the magnification values
Fenwiz 0:bb60966d6de1 338 if (Ymag<1) Ymag=1;
Fenwiz 0:bb60966d6de1 339 if (Xmag>6) Xmag=6;
Fenwiz 0:bb60966d6de1 340 if (Ymag>6) Ymag=6;
Fenwiz 0:bb60966d6de1 341
Fenwiz 0:bb60966d6de1 342 magChar( c, Xmag, Ymag );
Fenwiz 0:bb60966d6de1 343
Fenwiz 0:bb60966d6de1 344 outputMagData( Xmag, Ymag, false );
Fenwiz 0:bb60966d6de1 345
Fenwiz 0:bb60966d6de1 346 return 0;
Fenwiz 0:bb60966d6de1 347 }
Fenwiz 0:bb60966d6de1 348
Fenwiz 0:bb60966d6de1 349 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 350
Fenwiz 0:bb60966d6de1 351 void N_5110_Display::printString( char * str2prt, unsigned char Xmag, unsigned char Ymag)
Fenwiz 0:bb60966d6de1 352 {
Fenwiz 0:bb60966d6de1 353 unsigned char c;
Fenwiz 0:bb60966d6de1 354
Fenwiz 0:bb60966d6de1 355 for (c=0; c<strlen(str2prt); c++)
Fenwiz 0:bb60966d6de1 356 {
Fenwiz 0:bb60966d6de1 357 print1char( str2prt[c], Xmag, Ymag );
Fenwiz 0:bb60966d6de1 358 }
Fenwiz 0:bb60966d6de1 359 }
Fenwiz 0:bb60966d6de1 360
Fenwiz 0:bb60966d6de1 361 //----------------------------------------------------------------------
Fenwiz 0:bb60966d6de1 362
Fenwiz 0:bb60966d6de1 363 void N_5110_Display::VertBarGraph( int Percentage, unsigned char Xmag, unsigned char Ymag )
Fenwiz 0:bb60966d6de1 364 {
Fenwiz 0:bb60966d6de1 365 unsigned char Xidx, Yidx, activeHeight, wholeBytes, pixRemaining, mask, count, dither;
Fenwiz 0:bb60966d6de1 366
Fenwiz 0:bb60966d6de1 367 if (Xmag<1) Xmag=1; //Clamp the magnification values
Fenwiz 0:bb60966d6de1 368 if (Ymag<1) Ymag=1;
Fenwiz 0:bb60966d6de1 369 if (Xmag>6) Xmag=6;
Fenwiz 0:bb60966d6de1 370 if (Ymag>6) Ymag=6;
Fenwiz 0:bb60966d6de1 371
Fenwiz 0:bb60966d6de1 372 clrMagArray( Xmag, Ymag, true );
Fenwiz 0:bb60966d6de1 373
Fenwiz 0:bb60966d6de1 374 activeHeight = 8 * Ymag * Percentage /100; //Calc the magnitude of the Bar
Fenwiz 0:bb60966d6de1 375 wholeBytes = activeHeight / 8;
Fenwiz 0:bb60966d6de1 376 pixRemaining = activeHeight % 8;
Fenwiz 0:bb60966d6de1 377
Fenwiz 0:bb60966d6de1 378 mask = 0xFF;
Fenwiz 0:bb60966d6de1 379 for(count=0; count<8-pixRemaining; count++) //creat the mask for pixRemaining
Fenwiz 0:bb60966d6de1 380 {
Fenwiz 0:bb60966d6de1 381 mask <<= 1;
Fenwiz 0:bb60966d6de1 382 }
Fenwiz 0:bb60966d6de1 383
Fenwiz 0:bb60966d6de1 384 for (Xidx=0; Xidx<6*Xmag-1; Xidx++) //step along the pixel columns
Fenwiz 0:bb60966d6de1 385 {
Fenwiz 0:bb60966d6de1 386 dither = Xidx&1?0x55:0xAA; //Dither value alternates for each odd, ecen pixel column
Fenwiz 0:bb60966d6de1 387
Fenwiz 0:bb60966d6de1 388 for (Yidx=0; Yidx<Ymag; Yidx++) //step through each row
Fenwiz 0:bb60966d6de1 389 {
Fenwiz 0:bb60966d6de1 390 if (Yidx == Ymag - wholeBytes - 1) //do the remainder
Fenwiz 0:bb60966d6de1 391 {
Fenwiz 0:bb60966d6de1 392 magData[Xidx][Yidx] |= dither;
Fenwiz 0:bb60966d6de1 393 magData[Xidx][Yidx] &= mask;
Fenwiz 0:bb60966d6de1 394 }
Fenwiz 0:bb60966d6de1 395 else if (Yidx >= Ymag-wholeBytes) //else do the whole bytes
Fenwiz 0:bb60966d6de1 396 {
Fenwiz 0:bb60966d6de1 397 magData[Xidx][Yidx] |= dither;
Fenwiz 0:bb60966d6de1 398 }
Fenwiz 0:bb60966d6de1 399 //now add the border
Fenwiz 0:bb60966d6de1 400 if (Xidx==0 || Xidx==6*Xmag-2) //Left & Right
Fenwiz 0:bb60966d6de1 401 {
Fenwiz 0:bb60966d6de1 402 magData[Xidx][Yidx] |= 0xFF;
Fenwiz 0:bb60966d6de1 403 }
Fenwiz 0:bb60966d6de1 404
Fenwiz 0:bb60966d6de1 405 if (Yidx==0) //Top
Fenwiz 0:bb60966d6de1 406 {
Fenwiz 0:bb60966d6de1 407 magData[Xidx][Yidx] |= 0x01;
Fenwiz 0:bb60966d6de1 408 }
Fenwiz 0:bb60966d6de1 409
Fenwiz 0:bb60966d6de1 410 if (Yidx==Ymag-1) //Bottom
Fenwiz 0:bb60966d6de1 411 {
Fenwiz 0:bb60966d6de1 412 magData[Xidx][Yidx] |= 0x40;
Fenwiz 0:bb60966d6de1 413 magData[Xidx][Yidx] &= 0x7F;
Fenwiz 0:bb60966d6de1 414 }
Fenwiz 0:bb60966d6de1 415 }
Fenwiz 0:bb60966d6de1 416 }
Fenwiz 0:bb60966d6de1 417
Fenwiz 0:bb60966d6de1 418 outputMagData( Xmag, Ymag, true );
Fenwiz 0:bb60966d6de1 419 }
Fenwiz 0:bb60966d6de1 420