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Dependencies:   C12832_lcd LM75B WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip

C12832_lcd/C12832_lcd.cpp@0:0ed2a7c7190c, 2013-05-31 (annotated)

Committer:
GordonSin
Date:
Fri May 31 04:09:54 2013 +0000
Revision:
0:0ed2a7c7190c
31/5/2013;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GordonSin 0:0ed2a7c7190c 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
GordonSin 0:0ed2a7c7190c 2 * use C12832 controller
GordonSin 0:0ed2a7c7190c 3 * Copyright (c) 2012 Peter Drescher - DC2PD
GordonSin 0:0ed2a7c7190c 4 * Released under the MIT License: http://mbed.org/license/mit
GordonSin 0:0ed2a7c7190c 5 *
GordonSin 0:0ed2a7c7190c 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
GordonSin 0:0ed2a7c7190c 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
GordonSin 0:0ed2a7c7190c 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
GordonSin 0:0ed2a7c7190c 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
GordonSin 0:0ed2a7c7190c 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
GordonSin 0:0ed2a7c7190c 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
GordonSin 0:0ed2a7c7190c 12 * THE SOFTWARE.
GordonSin 0:0ed2a7c7190c 13 */
GordonSin 0:0ed2a7c7190c 14
GordonSin 0:0ed2a7c7190c 15 // 13.10.12 initial design
GordonSin 0:0ed2a7c7190c 16 // 25.10.12 add autorefresh of screen
GordonSin 0:0ed2a7c7190c 17 // 25.10.12 add standart font
GordonSin 0:0ed2a7c7190c 18
GordonSin 0:0ed2a7c7190c 19 // optional defines :
GordonSin 0:0ed2a7c7190c 20 // #define debug_lcd 1
GordonSin 0:0ed2a7c7190c 21
GordonSin 0:0ed2a7c7190c 22 #include "C12832_lcd.h"
GordonSin 0:0ed2a7c7190c 23 #include "mbed.h"
GordonSin 0:0ed2a7c7190c 24 #include "stdio.h"
GordonSin 0:0ed2a7c7190c 25 #include "Small_7.h"
GordonSin 0:0ed2a7c7190c 26
GordonSin 0:0ed2a7c7190c 27 #define BPP 1 // Bits per pixel
GordonSin 0:0ed2a7c7190c 28
GordonSin 0:0ed2a7c7190c 29 C12832_LCD::C12832_LCD(const char* name)
GordonSin 0:0ed2a7c7190c 30 : _spi(p5,NC,p7),_reset(p6),_A0(p8),_CS(p11),GraphicsDisplay(name)
GordonSin 0:0ed2a7c7190c 31 {
GordonSin 0:0ed2a7c7190c 32 orientation = 1;
GordonSin 0:0ed2a7c7190c 33 draw_mode = NORMAL;
GordonSin 0:0ed2a7c7190c 34 char_x = 0;
GordonSin 0:0ed2a7c7190c 35 lcd_reset();
GordonSin 0:0ed2a7c7190c 36 }
GordonSin 0:0ed2a7c7190c 37
GordonSin 0:0ed2a7c7190c 38 int C12832_LCD::width()
GordonSin 0:0ed2a7c7190c 39 {
GordonSin 0:0ed2a7c7190c 40 if (orientation == 0 || orientation == 2) return 32;
GordonSin 0:0ed2a7c7190c 41 else return 128;
GordonSin 0:0ed2a7c7190c 42 }
GordonSin 0:0ed2a7c7190c 43
GordonSin 0:0ed2a7c7190c 44 int C12832_LCD::height()
GordonSin 0:0ed2a7c7190c 45 {
GordonSin 0:0ed2a7c7190c 46 if (orientation == 0 || orientation == 2) return 128;
GordonSin 0:0ed2a7c7190c 47 else return 32;
GordonSin 0:0ed2a7c7190c 48 }
GordonSin 0:0ed2a7c7190c 49
GordonSin 0:0ed2a7c7190c 50
GordonSin 0:0ed2a7c7190c 51 /*void C12832_LCD::set_orientation(unsigned int o)
GordonSin 0:0ed2a7c7190c 52 {
GordonSin 0:0ed2a7c7190c 53 orientation = o;
GordonSin 0:0ed2a7c7190c 54 switch (o) {
GordonSin 0:0ed2a7c7190c 55 case (0):
GordonSin 0:0ed2a7c7190c 56 wr_cmd(0xA0);
GordonSin 0:0ed2a7c7190c 57 wr_cmd(0xC0);
GordonSin 0:0ed2a7c7190c 58 break;
GordonSin 0:0ed2a7c7190c 59 case (1):
GordonSin 0:0ed2a7c7190c 60 wr_cmd(0xA0);
GordonSin 0:0ed2a7c7190c 61 wr_cmd(0xC8);
GordonSin 0:0ed2a7c7190c 62 break;
GordonSin 0:0ed2a7c7190c 63 case (2):
GordonSin 0:0ed2a7c7190c 64 wr_cmd(0xA1);
GordonSin 0:0ed2a7c7190c 65 wr_cmd(0xC8);
GordonSin 0:0ed2a7c7190c 66 break;
GordonSin 0:0ed2a7c7190c 67 case (3):
GordonSin 0:0ed2a7c7190c 68 wr_cmd(0xA1);
GordonSin 0:0ed2a7c7190c 69 wr_cmd(0xC0);
GordonSin 0:0ed2a7c7190c 70 break;
GordonSin 0:0ed2a7c7190c 71 }
GordonSin 0:0ed2a7c7190c 72 }
GordonSin 0:0ed2a7c7190c 73
GordonSin 0:0ed2a7c7190c 74 */
GordonSin 0:0ed2a7c7190c 75
GordonSin 0:0ed2a7c7190c 76 void C12832_LCD::invert(unsigned int o)
GordonSin 0:0ed2a7c7190c 77 {
GordonSin 0:0ed2a7c7190c 78 if(o == 0) wr_cmd(0xA6);
GordonSin 0:0ed2a7c7190c 79 else wr_cmd(0xA7);
GordonSin 0:0ed2a7c7190c 80 }
GordonSin 0:0ed2a7c7190c 81
GordonSin 0:0ed2a7c7190c 82
GordonSin 0:0ed2a7c7190c 83 void C12832_LCD::set_contrast(unsigned int o)
GordonSin 0:0ed2a7c7190c 84 {
GordonSin 0:0ed2a7c7190c 85 contrast = o;
GordonSin 0:0ed2a7c7190c 86 wr_cmd(0x81); // set volume
GordonSin 0:0ed2a7c7190c 87 wr_cmd(o & 0x3F);
GordonSin 0:0ed2a7c7190c 88 }
GordonSin 0:0ed2a7c7190c 89
GordonSin 0:0ed2a7c7190c 90 unsigned int C12832_LCD::get_contrast(void)
GordonSin 0:0ed2a7c7190c 91 {
GordonSin 0:0ed2a7c7190c 92 return(contrast);
GordonSin 0:0ed2a7c7190c 93 }
GordonSin 0:0ed2a7c7190c 94
GordonSin 0:0ed2a7c7190c 95
GordonSin 0:0ed2a7c7190c 96 // write command to lcd controller
GordonSin 0:0ed2a7c7190c 97
GordonSin 0:0ed2a7c7190c 98 void C12832_LCD::wr_cmd(unsigned char cmd)
GordonSin 0:0ed2a7c7190c 99 {
GordonSin 0:0ed2a7c7190c 100 _A0 = 0;
GordonSin 0:0ed2a7c7190c 101 _CS = 0;
GordonSin 0:0ed2a7c7190c 102 #if defined TARGET_LPC1768 // fast without mbed lib
GordonSin 0:0ed2a7c7190c 103 LPC_SSP1->DR = cmd;
GordonSin 0:0ed2a7c7190c 104 do {
GordonSin 0:0ed2a7c7190c 105 } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle
GordonSin 0:0ed2a7c7190c 106 #else
GordonSin 0:0ed2a7c7190c 107 _spi.write(cmd);
GordonSin 0:0ed2a7c7190c 108 #endif
GordonSin 0:0ed2a7c7190c 109 _CS = 1;
GordonSin 0:0ed2a7c7190c 110 }
GordonSin 0:0ed2a7c7190c 111
GordonSin 0:0ed2a7c7190c 112 // write data to lcd controller
GordonSin 0:0ed2a7c7190c 113
GordonSin 0:0ed2a7c7190c 114 void C12832_LCD::wr_dat(unsigned char dat)
GordonSin 0:0ed2a7c7190c 115 {
GordonSin 0:0ed2a7c7190c 116 _A0 = 1;
GordonSin 0:0ed2a7c7190c 117 _CS = 0;
GordonSin 0:0ed2a7c7190c 118 #if defined TARGET_LPC1768 // fast without mbed lib
GordonSin 0:0ed2a7c7190c 119 LPC_SSP1->DR = dat;
GordonSin 0:0ed2a7c7190c 120 do {
GordonSin 0:0ed2a7c7190c 121 } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle
GordonSin 0:0ed2a7c7190c 122 #else
GordonSin 0:0ed2a7c7190c 123 _spi.write(dat);
GordonSin 0:0ed2a7c7190c 124 #endif
GordonSin 0:0ed2a7c7190c 125 _CS = 1;
GordonSin 0:0ed2a7c7190c 126 }
GordonSin 0:0ed2a7c7190c 127
GordonSin 0:0ed2a7c7190c 128 // reset and init the lcd controller
GordonSin 0:0ed2a7c7190c 129
GordonSin 0:0ed2a7c7190c 130 void C12832_LCD::lcd_reset()
GordonSin 0:0ed2a7c7190c 131 {
GordonSin 0:0ed2a7c7190c 132
GordonSin 0:0ed2a7c7190c 133 _spi.format(8,3); // 8 bit spi mode 3
GordonSin 0:0ed2a7c7190c 134 _spi.frequency(20000000); // 19,2 Mhz SPI clock
GordonSin 0:0ed2a7c7190c 135 DigitalOut _reset(p6);
GordonSin 0:0ed2a7c7190c 136 _A0 = 0;
GordonSin 0:0ed2a7c7190c 137 _CS = 1;
GordonSin 0:0ed2a7c7190c 138 _reset = 0; // display reset
GordonSin 0:0ed2a7c7190c 139 wait_us(50);
GordonSin 0:0ed2a7c7190c 140 _reset = 1; // end reset
GordonSin 0:0ed2a7c7190c 141 wait_ms(5);
GordonSin 0:0ed2a7c7190c 142
GordonSin 0:0ed2a7c7190c 143 /* Start Initial Sequence ----------------------------------------------------*/
GordonSin 0:0ed2a7c7190c 144
GordonSin 0:0ed2a7c7190c 145 wr_cmd(0xAE); // display off
GordonSin 0:0ed2a7c7190c 146 wr_cmd(0xA2); // bias voltage
GordonSin 0:0ed2a7c7190c 147
GordonSin 0:0ed2a7c7190c 148 wr_cmd(0xA0);
GordonSin 0:0ed2a7c7190c 149 wr_cmd(0xC8); // colum normal
GordonSin 0:0ed2a7c7190c 150
GordonSin 0:0ed2a7c7190c 151 wr_cmd(0x22); // voltage resistor ratio
GordonSin 0:0ed2a7c7190c 152 wr_cmd(0x2F); // power on
GordonSin 0:0ed2a7c7190c 153 //wr_cmd(0xA4); // LCD display ram
GordonSin 0:0ed2a7c7190c 154 wr_cmd(0x40); // start line = 0
GordonSin 0:0ed2a7c7190c 155 wr_cmd(0xAF); // display ON
GordonSin 0:0ed2a7c7190c 156
GordonSin 0:0ed2a7c7190c 157 wr_cmd(0x81); // set contrast
GordonSin 0:0ed2a7c7190c 158 wr_cmd(0x17); // set contrast
GordonSin 0:0ed2a7c7190c 159
GordonSin 0:0ed2a7c7190c 160 wr_cmd(0xA6); // display normal
GordonSin 0:0ed2a7c7190c 161
GordonSin 0:0ed2a7c7190c 162
GordonSin 0:0ed2a7c7190c 163 #if defined TARGET_LPC1768 //setup DMA channel 0
GordonSin 0:0ed2a7c7190c 164 LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA
GordonSin 0:0ed2a7c7190c 165 LPC_GPDMA->DMACConfig = 1; // enable DMA controller
GordonSin 0:0ed2a7c7190c 166 LPC_GPDMA->DMACIntTCClear = 0x1;
GordonSin 0:0ed2a7c7190c 167 LPC_GPDMA->DMACIntErrClr = 0x1;
GordonSin 0:0ed2a7c7190c 168 LPC_GPDMACH0->DMACCLLI = 0;
GordonSin 0:0ed2a7c7190c 169 #endif
GordonSin 0:0ed2a7c7190c 170 // clear and update LCD
GordonSin 0:0ed2a7c7190c 171 memset(buffer,0x00,512); // clear display buffer
GordonSin 0:0ed2a7c7190c 172 copy_to_lcd();
GordonSin 0:0ed2a7c7190c 173 auto_up = 1; // switch on auto update
GordonSin 0:0ed2a7c7190c 174 claim(stdout); // redirekt printf to lcd
GordonSin 0:0ed2a7c7190c 175 locate(0,0);
GordonSin 0:0ed2a7c7190c 176 set_font((unsigned char*)Small_7); // standart font
GordonSin 0:0ed2a7c7190c 177 }
GordonSin 0:0ed2a7c7190c 178
GordonSin 0:0ed2a7c7190c 179 // set one pixel in buffer
GordonSin 0:0ed2a7c7190c 180
GordonSin 0:0ed2a7c7190c 181 void C12832_LCD::pixel(int x, int y, int color)
GordonSin 0:0ed2a7c7190c 182 {
GordonSin 0:0ed2a7c7190c 183 // first check parameter
GordonSin 0:0ed2a7c7190c 184 if(x > 128 || y > 32 || x < 0 || y < 0) return;
GordonSin 0:0ed2a7c7190c 185
GordonSin 0:0ed2a7c7190c 186 if(draw_mode == NORMAL) {
GordonSin 0:0ed2a7c7190c 187 if(color == 0)
GordonSin 0:0ed2a7c7190c 188 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
GordonSin 0:0ed2a7c7190c 189 else
GordonSin 0:0ed2a7c7190c 190 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
GordonSin 0:0ed2a7c7190c 191 } else { // XOR mode
GordonSin 0:0ed2a7c7190c 192 if(color == 1)
GordonSin 0:0ed2a7c7190c 193 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
GordonSin 0:0ed2a7c7190c 194 }
GordonSin 0:0ed2a7c7190c 195 }
GordonSin 0:0ed2a7c7190c 196
GordonSin 0:0ed2a7c7190c 197 // update lcd
GordonSin 0:0ed2a7c7190c 198
GordonSin 0:0ed2a7c7190c 199 void C12832_LCD::copy_to_lcd(void)
GordonSin 0:0ed2a7c7190c 200 {
GordonSin 0:0ed2a7c7190c 201 #ifndef TARGET_LPC1768
GordonSin 0:0ed2a7c7190c 202 int i;
GordonSin 0:0ed2a7c7190c 203 #endif
GordonSin 0:0ed2a7c7190c 204 //page 0
GordonSin 0:0ed2a7c7190c 205 wr_cmd(0x00); // set column low nibble 0
GordonSin 0:0ed2a7c7190c 206 wr_cmd(0x10); // set column hi nibble 0
GordonSin 0:0ed2a7c7190c 207 wr_cmd(0xB0); // set page address 0
GordonSin 0:0ed2a7c7190c 208 _A0 = 1;
GordonSin 0:0ed2a7c7190c 209 #if defined TARGET_LPC1768
GordonSin 0:0ed2a7c7190c 210 _CS = 0;
GordonSin 0:0ed2a7c7190c 211 // start 128 byte DMA transfer to SPI1
GordonSin 0:0ed2a7c7190c 212 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
GordonSin 0:0ed2a7c7190c 213 LPC_SSP1->DMACR = 0x2; // Enable SSP1 for DMA.
GordonSin 0:0ed2a7c7190c 214 LPC_GPDMA->DMACIntTCClear = 0x1;
GordonSin 0:0ed2a7c7190c 215 LPC_GPDMA->DMACIntErrClr = 0x1;
GordonSin 0:0ed2a7c7190c 216 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer);
GordonSin 0:0ed2a7c7190c 217 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
GordonSin 0:0ed2a7c7190c 218 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
GordonSin 0:0ed2a7c7190c 219 LPC_GPDMA->DMACSoftSReq = 0x1;
GordonSin 0:0ed2a7c7190c 220 do {
GordonSin 0:0ed2a7c7190c 221 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
GordonSin 0:0ed2a7c7190c 222 do {
GordonSin 0:0ed2a7c7190c 223 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
GordonSin 0:0ed2a7c7190c 224 _CS = 1;
GordonSin 0:0ed2a7c7190c 225 #else // no DMA
GordonSin 0:0ed2a7c7190c 226 for(i=0;i<128;i++){
GordonSin 0:0ed2a7c7190c 227 wr_dat(buffer[i]);
GordonSin 0:0ed2a7c7190c 228 }
GordonSin 0:0ed2a7c7190c 229 #endif
GordonSin 0:0ed2a7c7190c 230
GordonSin 0:0ed2a7c7190c 231 // page 1
GordonSin 0:0ed2a7c7190c 232 wr_cmd(0x00); // set column low nibble 0
GordonSin 0:0ed2a7c7190c 233 wr_cmd(0x10); // set column hi nibble 0
GordonSin 0:0ed2a7c7190c 234 wr_cmd(0xB1); // set page address 1
GordonSin 0:0ed2a7c7190c 235 _A0 = 1;
GordonSin 0:0ed2a7c7190c 236 #if defined TARGET_LPC1768
GordonSin 0:0ed2a7c7190c 237 _CS = 0;
GordonSin 0:0ed2a7c7190c 238 // start 128 byte DMA transfer to SPI1
GordonSin 0:0ed2a7c7190c 239 LPC_GPDMA->DMACIntTCClear = 0x1;
GordonSin 0:0ed2a7c7190c 240 LPC_GPDMA->DMACIntErrClr = 0x1;
GordonSin 0:0ed2a7c7190c 241 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 128);
GordonSin 0:0ed2a7c7190c 242 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
GordonSin 0:0ed2a7c7190c 243 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
GordonSin 0:0ed2a7c7190c 244 LPC_GPDMA->DMACSoftSReq = 0x1;
GordonSin 0:0ed2a7c7190c 245 do {
GordonSin 0:0ed2a7c7190c 246 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
GordonSin 0:0ed2a7c7190c 247 do {
GordonSin 0:0ed2a7c7190c 248 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
GordonSin 0:0ed2a7c7190c 249 _CS = 1;
GordonSin 0:0ed2a7c7190c 250 #else // no DMA
GordonSin 0:0ed2a7c7190c 251 for(i=128;i<256;i++){
GordonSin 0:0ed2a7c7190c 252 wr_dat(buffer[i]);
GordonSin 0:0ed2a7c7190c 253 }
GordonSin 0:0ed2a7c7190c 254 #endif
GordonSin 0:0ed2a7c7190c 255
GordonSin 0:0ed2a7c7190c 256 //page 2
GordonSin 0:0ed2a7c7190c 257 wr_cmd(0x00); // set column low nibble 0
GordonSin 0:0ed2a7c7190c 258 wr_cmd(0x10); // set column hi nibble 0
GordonSin 0:0ed2a7c7190c 259 wr_cmd(0xB2); // set page address 2
GordonSin 0:0ed2a7c7190c 260 _A0 = 1;
GordonSin 0:0ed2a7c7190c 261 #if defined TARGET_LPC1768
GordonSin 0:0ed2a7c7190c 262 _CS = 0;
GordonSin 0:0ed2a7c7190c 263 // start 128 byte DMA transfer to SPI1
GordonSin 0:0ed2a7c7190c 264 LPC_GPDMA->DMACIntTCClear = 0x1;
GordonSin 0:0ed2a7c7190c 265 LPC_GPDMA->DMACIntErrClr = 0x1;
GordonSin 0:0ed2a7c7190c 266 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 256);
GordonSin 0:0ed2a7c7190c 267 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
GordonSin 0:0ed2a7c7190c 268 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX ;
GordonSin 0:0ed2a7c7190c 269 LPC_GPDMA->DMACSoftSReq = 0x1;
GordonSin 0:0ed2a7c7190c 270 do {
GordonSin 0:0ed2a7c7190c 271 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
GordonSin 0:0ed2a7c7190c 272 do {
GordonSin 0:0ed2a7c7190c 273 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
GordonSin 0:0ed2a7c7190c 274 _CS = 1;
GordonSin 0:0ed2a7c7190c 275 #else // no DMA
GordonSin 0:0ed2a7c7190c 276 for(i=256;i<384;i++){
GordonSin 0:0ed2a7c7190c 277 wr_dat(buffer[i]);
GordonSin 0:0ed2a7c7190c 278 }
GordonSin 0:0ed2a7c7190c 279 #endif
GordonSin 0:0ed2a7c7190c 280
GordonSin 0:0ed2a7c7190c 281 //page 3
GordonSin 0:0ed2a7c7190c 282 wr_cmd(0x00); // set column low nibble 0
GordonSin 0:0ed2a7c7190c 283 wr_cmd(0x10); // set column hi nibble 0
GordonSin 0:0ed2a7c7190c 284 wr_cmd(0xB3); // set page address 3
GordonSin 0:0ed2a7c7190c 285 _A0 = 1;
GordonSin 0:0ed2a7c7190c 286
GordonSin 0:0ed2a7c7190c 287 _CS = 0;
GordonSin 0:0ed2a7c7190c 288 #if defined TARGET_LPC1768
GordonSin 0:0ed2a7c7190c 289 // start 128 byte DMA transfer to SPI1
GordonSin 0:0ed2a7c7190c 290 LPC_GPDMA->DMACIntTCClear = 0x1;
GordonSin 0:0ed2a7c7190c 291 LPC_GPDMA->DMACIntErrClr = 0x1;
GordonSin 0:0ed2a7c7190c 292 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 384);
GordonSin 0:0ed2a7c7190c 293 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
GordonSin 0:0ed2a7c7190c 294 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
GordonSin 0:0ed2a7c7190c 295 LPC_GPDMA->DMACSoftSReq = 0x1;
GordonSin 0:0ed2a7c7190c 296 do {
GordonSin 0:0ed2a7c7190c 297 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
GordonSin 0:0ed2a7c7190c 298 do {
GordonSin 0:0ed2a7c7190c 299 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
GordonSin 0:0ed2a7c7190c 300 _CS = 1;
GordonSin 0:0ed2a7c7190c 301 #else // no DMA
GordonSin 0:0ed2a7c7190c 302 for(i=384;i<512;i++){
GordonSin 0:0ed2a7c7190c 303 wr_dat(buffer[i]);
GordonSin 0:0ed2a7c7190c 304 }
GordonSin 0:0ed2a7c7190c 305 #endif
GordonSin 0:0ed2a7c7190c 306 }
GordonSin 0:0ed2a7c7190c 307
GordonSin 0:0ed2a7c7190c 308 void C12832_LCD::cls(void)
GordonSin 0:0ed2a7c7190c 309 {
GordonSin 0:0ed2a7c7190c 310 memset(buffer,0x00,512); // clear display buffer
GordonSin 0:0ed2a7c7190c 311 copy_to_lcd();
GordonSin 0:0ed2a7c7190c 312 }
GordonSin 0:0ed2a7c7190c 313
GordonSin 0:0ed2a7c7190c 314
GordonSin 0:0ed2a7c7190c 315 void C12832_LCD::line(int x0, int y0, int x1, int y1, int color)
GordonSin 0:0ed2a7c7190c 316 {
GordonSin 0:0ed2a7c7190c 317 int dx = 0, dy = 0;
GordonSin 0:0ed2a7c7190c 318 int dx_sym = 0, dy_sym = 0;
GordonSin 0:0ed2a7c7190c 319 int dx_x2 = 0, dy_x2 = 0;
GordonSin 0:0ed2a7c7190c 320 int di = 0;
GordonSin 0:0ed2a7c7190c 321
GordonSin 0:0ed2a7c7190c 322 dx = x1-x0;
GordonSin 0:0ed2a7c7190c 323 dy = y1-y0;
GordonSin 0:0ed2a7c7190c 324
GordonSin 0:0ed2a7c7190c 325 // if (dx == 0) { /* vertical line */
GordonSin 0:0ed2a7c7190c 326 // if (y1 > y0) vline(x0,y0,y1,color);
GordonSin 0:0ed2a7c7190c 327 // else vline(x0,y1,y0,color);
GordonSin 0:0ed2a7c7190c 328 // return;
GordonSin 0:0ed2a7c7190c 329 // }
GordonSin 0:0ed2a7c7190c 330
GordonSin 0:0ed2a7c7190c 331 if (dx > 0) {
GordonSin 0:0ed2a7c7190c 332 dx_sym = 1;
GordonSin 0:0ed2a7c7190c 333 } else {
GordonSin 0:0ed2a7c7190c 334 dx_sym = -1;
GordonSin 0:0ed2a7c7190c 335 }
GordonSin 0:0ed2a7c7190c 336 // if (dy == 0) { /* horizontal line */
GordonSin 0:0ed2a7c7190c 337 // if (x1 > x0) hline(x0,x1,y0,color);
GordonSin 0:0ed2a7c7190c 338 // else hline(x1,x0,y0,color);
GordonSin 0:0ed2a7c7190c 339 // return;
GordonSin 0:0ed2a7c7190c 340 // }
GordonSin 0:0ed2a7c7190c 341
GordonSin 0:0ed2a7c7190c 342 if (dy > 0) {
GordonSin 0:0ed2a7c7190c 343 dy_sym = 1;
GordonSin 0:0ed2a7c7190c 344 } else {
GordonSin 0:0ed2a7c7190c 345 dy_sym = -1;
GordonSin 0:0ed2a7c7190c 346 }
GordonSin 0:0ed2a7c7190c 347
GordonSin 0:0ed2a7c7190c 348 dx = dx_sym*dx;
GordonSin 0:0ed2a7c7190c 349 dy = dy_sym*dy;
GordonSin 0:0ed2a7c7190c 350
GordonSin 0:0ed2a7c7190c 351 dx_x2 = dx*2;
GordonSin 0:0ed2a7c7190c 352 dy_x2 = dy*2;
GordonSin 0:0ed2a7c7190c 353
GordonSin 0:0ed2a7c7190c 354 if (dx >= dy) {
GordonSin 0:0ed2a7c7190c 355 di = dy_x2 - dx;
GordonSin 0:0ed2a7c7190c 356 while (x0 != x1) {
GordonSin 0:0ed2a7c7190c 357
GordonSin 0:0ed2a7c7190c 358 pixel(x0, y0, color);
GordonSin 0:0ed2a7c7190c 359 x0 += dx_sym;
GordonSin 0:0ed2a7c7190c 360 if (di<0) {
GordonSin 0:0ed2a7c7190c 361 di += dy_x2;
GordonSin 0:0ed2a7c7190c 362 } else {
GordonSin 0:0ed2a7c7190c 363 di += dy_x2 - dx_x2;
GordonSin 0:0ed2a7c7190c 364 y0 += dy_sym;
GordonSin 0:0ed2a7c7190c 365 }
GordonSin 0:0ed2a7c7190c 366 }
GordonSin 0:0ed2a7c7190c 367 pixel(x0, y0, color);
GordonSin 0:0ed2a7c7190c 368 } else {
GordonSin 0:0ed2a7c7190c 369 di = dx_x2 - dy;
GordonSin 0:0ed2a7c7190c 370 while (y0 != y1) {
GordonSin 0:0ed2a7c7190c 371 pixel(x0, y0, color);
GordonSin 0:0ed2a7c7190c 372 y0 += dy_sym;
GordonSin 0:0ed2a7c7190c 373 if (di < 0) {
GordonSin 0:0ed2a7c7190c 374 di += dx_x2;
GordonSin 0:0ed2a7c7190c 375 } else {
GordonSin 0:0ed2a7c7190c 376 di += dx_x2 - dy_x2;
GordonSin 0:0ed2a7c7190c 377 x0 += dx_sym;
GordonSin 0:0ed2a7c7190c 378 }
GordonSin 0:0ed2a7c7190c 379 }
GordonSin 0:0ed2a7c7190c 380 pixel(x0, y0, color);
GordonSin 0:0ed2a7c7190c 381 }
GordonSin 0:0ed2a7c7190c 382 if(auto_up) copy_to_lcd();
GordonSin 0:0ed2a7c7190c 383 }
GordonSin 0:0ed2a7c7190c 384
GordonSin 0:0ed2a7c7190c 385 void C12832_LCD::rect(int x0, int y0, int x1, int y1, int color)
GordonSin 0:0ed2a7c7190c 386 {
GordonSin 0:0ed2a7c7190c 387
GordonSin 0:0ed2a7c7190c 388 if (x1 > x0) line(x0,y0,x1,y0,color);
GordonSin 0:0ed2a7c7190c 389 else line(x1,y0,x0,y0,color);
GordonSin 0:0ed2a7c7190c 390
GordonSin 0:0ed2a7c7190c 391 if (y1 > y0) line(x0,y0,x0,y1,color);
GordonSin 0:0ed2a7c7190c 392 else line(x0,y1,x0,y0,color);
GordonSin 0:0ed2a7c7190c 393
GordonSin 0:0ed2a7c7190c 394 if (x1 > x0) line(x0,y1,x1,y1,color);
GordonSin 0:0ed2a7c7190c 395 else line(x1,y1,x0,y1,color);
GordonSin 0:0ed2a7c7190c 396
GordonSin 0:0ed2a7c7190c 397 if (y1 > y0) line(x1,y0,x1,y1,color);
GordonSin 0:0ed2a7c7190c 398 else line(x1,y1,x1,y0,color);
GordonSin 0:0ed2a7c7190c 399
GordonSin 0:0ed2a7c7190c 400 if(auto_up) copy_to_lcd();
GordonSin 0:0ed2a7c7190c 401 }
GordonSin 0:0ed2a7c7190c 402
GordonSin 0:0ed2a7c7190c 403 void C12832_LCD::fillrect(int x0, int y0, int x1, int y1, int color)
GordonSin 0:0ed2a7c7190c 404 {
GordonSin 0:0ed2a7c7190c 405 int l,c,i;
GordonSin 0:0ed2a7c7190c 406 if(x0 > x1) {
GordonSin 0:0ed2a7c7190c 407 i = x0;
GordonSin 0:0ed2a7c7190c 408 x0 = x1;
GordonSin 0:0ed2a7c7190c 409 x1 = i;
GordonSin 0:0ed2a7c7190c 410 }
GordonSin 0:0ed2a7c7190c 411
GordonSin 0:0ed2a7c7190c 412 if(y0 > y1) {
GordonSin 0:0ed2a7c7190c 413 i = y0;
GordonSin 0:0ed2a7c7190c 414 y0 = y1;
GordonSin 0:0ed2a7c7190c 415 y1 = i;
GordonSin 0:0ed2a7c7190c 416 }
GordonSin 0:0ed2a7c7190c 417
GordonSin 0:0ed2a7c7190c 418 for(l = x0; l<= x1; l ++) {
GordonSin 0:0ed2a7c7190c 419 for(c = y0; c<= y1; c++) {
GordonSin 0:0ed2a7c7190c 420 pixel(l,c,color);
GordonSin 0:0ed2a7c7190c 421 }
GordonSin 0:0ed2a7c7190c 422 }
GordonSin 0:0ed2a7c7190c 423 if(auto_up) copy_to_lcd();
GordonSin 0:0ed2a7c7190c 424 }
GordonSin 0:0ed2a7c7190c 425
GordonSin 0:0ed2a7c7190c 426
GordonSin 0:0ed2a7c7190c 427
GordonSin 0:0ed2a7c7190c 428 void C12832_LCD::circle(int x0, int y0, int r, int color)
GordonSin 0:0ed2a7c7190c 429 {
GordonSin 0:0ed2a7c7190c 430
GordonSin 0:0ed2a7c7190c 431 int draw_x0, draw_y0;
GordonSin 0:0ed2a7c7190c 432 int draw_x1, draw_y1;
GordonSin 0:0ed2a7c7190c 433 int draw_x2, draw_y2;
GordonSin 0:0ed2a7c7190c 434 int draw_x3, draw_y3;
GordonSin 0:0ed2a7c7190c 435 int draw_x4, draw_y4;
GordonSin 0:0ed2a7c7190c 436 int draw_x5, draw_y5;
GordonSin 0:0ed2a7c7190c 437 int draw_x6, draw_y6;
GordonSin 0:0ed2a7c7190c 438 int draw_x7, draw_y7;
GordonSin 0:0ed2a7c7190c 439 int xx, yy;
GordonSin 0:0ed2a7c7190c 440 int di;
GordonSin 0:0ed2a7c7190c 441 //WindowMax();
GordonSin 0:0ed2a7c7190c 442 if (r == 0) { /* no radius */
GordonSin 0:0ed2a7c7190c 443 return;
GordonSin 0:0ed2a7c7190c 444 }
GordonSin 0:0ed2a7c7190c 445
GordonSin 0:0ed2a7c7190c 446 draw_x0 = draw_x1 = x0;
GordonSin 0:0ed2a7c7190c 447 draw_y0 = draw_y1 = y0 + r;
GordonSin 0:0ed2a7c7190c 448 if (draw_y0 < height()) {
GordonSin 0:0ed2a7c7190c 449 pixel(draw_x0, draw_y0, color); /* 90 degree */
GordonSin 0:0ed2a7c7190c 450 }
GordonSin 0:0ed2a7c7190c 451
GordonSin 0:0ed2a7c7190c 452 draw_x2 = draw_x3 = x0;
GordonSin 0:0ed2a7c7190c 453 draw_y2 = draw_y3 = y0 - r;
GordonSin 0:0ed2a7c7190c 454 if (draw_y2 >= 0) {
GordonSin 0:0ed2a7c7190c 455 pixel(draw_x2, draw_y2, color); /* 270 degree */
GordonSin 0:0ed2a7c7190c 456 }
GordonSin 0:0ed2a7c7190c 457
GordonSin 0:0ed2a7c7190c 458 draw_x4 = draw_x6 = x0 + r;
GordonSin 0:0ed2a7c7190c 459 draw_y4 = draw_y6 = y0;
GordonSin 0:0ed2a7c7190c 460 if (draw_x4 < width()) {
GordonSin 0:0ed2a7c7190c 461 pixel(draw_x4, draw_y4, color); /* 0 degree */
GordonSin 0:0ed2a7c7190c 462 }
GordonSin 0:0ed2a7c7190c 463
GordonSin 0:0ed2a7c7190c 464 draw_x5 = draw_x7 = x0 - r;
GordonSin 0:0ed2a7c7190c 465 draw_y5 = draw_y7 = y0;
GordonSin 0:0ed2a7c7190c 466 if (draw_x5>=0) {
GordonSin 0:0ed2a7c7190c 467 pixel(draw_x5, draw_y5, color); /* 180 degree */
GordonSin 0:0ed2a7c7190c 468 }
GordonSin 0:0ed2a7c7190c 469
GordonSin 0:0ed2a7c7190c 470 if (r == 1) {
GordonSin 0:0ed2a7c7190c 471 return;
GordonSin 0:0ed2a7c7190c 472 }
GordonSin 0:0ed2a7c7190c 473
GordonSin 0:0ed2a7c7190c 474 di = 3 - 2*r;
GordonSin 0:0ed2a7c7190c 475 xx = 0;
GordonSin 0:0ed2a7c7190c 476 yy = r;
GordonSin 0:0ed2a7c7190c 477 while (xx < yy) {
GordonSin 0:0ed2a7c7190c 478
GordonSin 0:0ed2a7c7190c 479 if (di < 0) {
GordonSin 0:0ed2a7c7190c 480 di += 4*xx + 6;
GordonSin 0:0ed2a7c7190c 481 } else {
GordonSin 0:0ed2a7c7190c 482 di += 4*(xx - yy) + 10;
GordonSin 0:0ed2a7c7190c 483 yy--;
GordonSin 0:0ed2a7c7190c 484 draw_y0--;
GordonSin 0:0ed2a7c7190c 485 draw_y1--;
GordonSin 0:0ed2a7c7190c 486 draw_y2++;
GordonSin 0:0ed2a7c7190c 487 draw_y3++;
GordonSin 0:0ed2a7c7190c 488 draw_x4--;
GordonSin 0:0ed2a7c7190c 489 draw_x5++;
GordonSin 0:0ed2a7c7190c 490 draw_x6--;
GordonSin 0:0ed2a7c7190c 491 draw_x7++;
GordonSin 0:0ed2a7c7190c 492 }
GordonSin 0:0ed2a7c7190c 493 xx++;
GordonSin 0:0ed2a7c7190c 494 draw_x0++;
GordonSin 0:0ed2a7c7190c 495 draw_x1--;
GordonSin 0:0ed2a7c7190c 496 draw_x2++;
GordonSin 0:0ed2a7c7190c 497 draw_x3--;
GordonSin 0:0ed2a7c7190c 498 draw_y4++;
GordonSin 0:0ed2a7c7190c 499 draw_y5++;
GordonSin 0:0ed2a7c7190c 500 draw_y6--;
GordonSin 0:0ed2a7c7190c 501 draw_y7--;
GordonSin 0:0ed2a7c7190c 502
GordonSin 0:0ed2a7c7190c 503 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
GordonSin 0:0ed2a7c7190c 504 pixel(draw_x0, draw_y0, color);
GordonSin 0:0ed2a7c7190c 505 }
GordonSin 0:0ed2a7c7190c 506
GordonSin 0:0ed2a7c7190c 507 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
GordonSin 0:0ed2a7c7190c 508 pixel(draw_x1, draw_y1, color);
GordonSin 0:0ed2a7c7190c 509 }
GordonSin 0:0ed2a7c7190c 510
GordonSin 0:0ed2a7c7190c 511 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
GordonSin 0:0ed2a7c7190c 512 pixel(draw_x2, draw_y2, color);
GordonSin 0:0ed2a7c7190c 513 }
GordonSin 0:0ed2a7c7190c 514
GordonSin 0:0ed2a7c7190c 515 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
GordonSin 0:0ed2a7c7190c 516 pixel(draw_x3, draw_y3, color);
GordonSin 0:0ed2a7c7190c 517 }
GordonSin 0:0ed2a7c7190c 518
GordonSin 0:0ed2a7c7190c 519 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
GordonSin 0:0ed2a7c7190c 520 pixel(draw_x4, draw_y4, color);
GordonSin 0:0ed2a7c7190c 521 }
GordonSin 0:0ed2a7c7190c 522
GordonSin 0:0ed2a7c7190c 523 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
GordonSin 0:0ed2a7c7190c 524 pixel(draw_x5, draw_y5, color);
GordonSin 0:0ed2a7c7190c 525 }
GordonSin 0:0ed2a7c7190c 526 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
GordonSin 0:0ed2a7c7190c 527 pixel(draw_x6, draw_y6, color);
GordonSin 0:0ed2a7c7190c 528 }
GordonSin 0:0ed2a7c7190c 529 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
GordonSin 0:0ed2a7c7190c 530 pixel(draw_x7, draw_y7, color);
GordonSin 0:0ed2a7c7190c 531 }
GordonSin 0:0ed2a7c7190c 532 }
GordonSin 0:0ed2a7c7190c 533 if(auto_up) copy_to_lcd();
GordonSin 0:0ed2a7c7190c 534 }
GordonSin 0:0ed2a7c7190c 535
GordonSin 0:0ed2a7c7190c 536 void C12832_LCD::fillcircle(int x, int y, int r, int color)
GordonSin 0:0ed2a7c7190c 537 {
GordonSin 0:0ed2a7c7190c 538 int i,up;
GordonSin 0:0ed2a7c7190c 539 up = auto_up;
GordonSin 0:0ed2a7c7190c 540 auto_up = 0; // off
GordonSin 0:0ed2a7c7190c 541 for (i = 0; i <= r; i++)
GordonSin 0:0ed2a7c7190c 542 circle(x,y,i,color);
GordonSin 0:0ed2a7c7190c 543 auto_up = up;
GordonSin 0:0ed2a7c7190c 544 if(auto_up) copy_to_lcd();
GordonSin 0:0ed2a7c7190c 545 }
GordonSin 0:0ed2a7c7190c 546
GordonSin 0:0ed2a7c7190c 547 void C12832_LCD::setmode(int mode)
GordonSin 0:0ed2a7c7190c 548 {
GordonSin 0:0ed2a7c7190c 549 draw_mode = mode;
GordonSin 0:0ed2a7c7190c 550 }
GordonSin 0:0ed2a7c7190c 551
GordonSin 0:0ed2a7c7190c 552 void C12832_LCD::locate(int x, int y)
GordonSin 0:0ed2a7c7190c 553 {
GordonSin 0:0ed2a7c7190c 554 char_x = x;
GordonSin 0:0ed2a7c7190c 555 char_y = y;
GordonSin 0:0ed2a7c7190c 556 }
GordonSin 0:0ed2a7c7190c 557
GordonSin 0:0ed2a7c7190c 558
GordonSin 0:0ed2a7c7190c 559
GordonSin 0:0ed2a7c7190c 560 int C12832_LCD::columns()
GordonSin 0:0ed2a7c7190c 561 {
GordonSin 0:0ed2a7c7190c 562 return width() / font[1];
GordonSin 0:0ed2a7c7190c 563 }
GordonSin 0:0ed2a7c7190c 564
GordonSin 0:0ed2a7c7190c 565
GordonSin 0:0ed2a7c7190c 566
GordonSin 0:0ed2a7c7190c 567 int C12832_LCD::rows()
GordonSin 0:0ed2a7c7190c 568 {
GordonSin 0:0ed2a7c7190c 569 return height() / font[2];
GordonSin 0:0ed2a7c7190c 570 }
GordonSin 0:0ed2a7c7190c 571
GordonSin 0:0ed2a7c7190c 572
GordonSin 0:0ed2a7c7190c 573
GordonSin 0:0ed2a7c7190c 574 int C12832_LCD::_putc(int value)
GordonSin 0:0ed2a7c7190c 575 {
GordonSin 0:0ed2a7c7190c 576 if (value == '\n') { // new line
GordonSin 0:0ed2a7c7190c 577 char_x = 0;
GordonSin 0:0ed2a7c7190c 578 char_y = char_y + font[2];
GordonSin 0:0ed2a7c7190c 579 if (char_y >= height() - font[2]) {
GordonSin 0:0ed2a7c7190c 580 char_y = 0;
GordonSin 0:0ed2a7c7190c 581 }
GordonSin 0:0ed2a7c7190c 582 } else {
GordonSin 0:0ed2a7c7190c 583 character(char_x, char_y, value);
GordonSin 0:0ed2a7c7190c 584 if(auto_up) copy_to_lcd();
GordonSin 0:0ed2a7c7190c 585 }
GordonSin 0:0ed2a7c7190c 586 return value;
GordonSin 0:0ed2a7c7190c 587 }
GordonSin 0:0ed2a7c7190c 588
GordonSin 0:0ed2a7c7190c 589 void C12832_LCD::character(int x, int y, int c)
GordonSin 0:0ed2a7c7190c 590 {
GordonSin 0:0ed2a7c7190c 591 unsigned int hor,vert,offset,bpl,j,i,b;
GordonSin 0:0ed2a7c7190c 592 unsigned char* zeichen;
GordonSin 0:0ed2a7c7190c 593 unsigned char z,w;
GordonSin 0:0ed2a7c7190c 594
GordonSin 0:0ed2a7c7190c 595 if ((c < 31) || (c > 127)) return; // test char range
GordonSin 0:0ed2a7c7190c 596
GordonSin 0:0ed2a7c7190c 597 // read font parameter from start of array
GordonSin 0:0ed2a7c7190c 598 offset = font[0]; // bytes / char
GordonSin 0:0ed2a7c7190c 599 hor = font[1]; // get hor size of font
GordonSin 0:0ed2a7c7190c 600 vert = font[2]; // get vert size of font
GordonSin 0:0ed2a7c7190c 601 bpl = font[3]; // bytes per line
GordonSin 0:0ed2a7c7190c 602
GordonSin 0:0ed2a7c7190c 603 if (char_x + hor > width()) {
GordonSin 0:0ed2a7c7190c 604 char_x = 0;
GordonSin 0:0ed2a7c7190c 605 char_y = char_y + vert;
GordonSin 0:0ed2a7c7190c 606 if (char_y >= height() - font[2]) {
GordonSin 0:0ed2a7c7190c 607 char_y = 0;
GordonSin 0:0ed2a7c7190c 608 }
GordonSin 0:0ed2a7c7190c 609 }
GordonSin 0:0ed2a7c7190c 610
GordonSin 0:0ed2a7c7190c 611 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
GordonSin 0:0ed2a7c7190c 612 w = zeichen[0]; // width of actual char
GordonSin 0:0ed2a7c7190c 613 // construct the char into the buffer
GordonSin 0:0ed2a7c7190c 614 for (j=0; j<vert; j++) { // vert line
GordonSin 0:0ed2a7c7190c 615 for (i=0; i<hor; i++) { // horz line
GordonSin 0:0ed2a7c7190c 616 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
GordonSin 0:0ed2a7c7190c 617 b = 1 << (j & 0x07);
GordonSin 0:0ed2a7c7190c 618 if (( z & b ) == 0x00) {
GordonSin 0:0ed2a7c7190c 619 pixel(x+i,y+j,0);
GordonSin 0:0ed2a7c7190c 620 } else {
GordonSin 0:0ed2a7c7190c 621 pixel(x+i,y+j,1);
GordonSin 0:0ed2a7c7190c 622 }
GordonSin 0:0ed2a7c7190c 623
GordonSin 0:0ed2a7c7190c 624 }
GordonSin 0:0ed2a7c7190c 625 }
GordonSin 0:0ed2a7c7190c 626
GordonSin 0:0ed2a7c7190c 627 char_x += w;
GordonSin 0:0ed2a7c7190c 628 }
GordonSin 0:0ed2a7c7190c 629
GordonSin 0:0ed2a7c7190c 630
GordonSin 0:0ed2a7c7190c 631 void C12832_LCD::set_font(unsigned char* f)
GordonSin 0:0ed2a7c7190c 632 {
GordonSin 0:0ed2a7c7190c 633 font = f;
GordonSin 0:0ed2a7c7190c 634 }
GordonSin 0:0ed2a7c7190c 635
GordonSin 0:0ed2a7c7190c 636 void C12832_LCD::set_auto_up(unsigned int up)
GordonSin 0:0ed2a7c7190c 637 {
GordonSin 0:0ed2a7c7190c 638 if(up ) auto_up = 1;
GordonSin 0:0ed2a7c7190c 639 }
GordonSin 0:0ed2a7c7190c 640
GordonSin 0:0ed2a7c7190c 641 unsigned int C12832_LCD::get_auto_up(void){
GordonSin 0:0ed2a7c7190c 642 return (auto_up);
GordonSin 0:0ed2a7c7190c 643 }
GordonSin 0:0ed2a7c7190c 644
GordonSin 0:0ed2a7c7190c 645