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Dependencies:   mbed

C12832_lcd/C12832_lcd.cpp@0:f4a7cf9ea593, 2020-07-31 (annotated)

Committer:
alanffrench
Date:
Fri Jul 31 17:21:00 2020 +0000
Revision:
0:f4a7cf9ea593
Chlorine Monitor

Who changed what in which revision?

UserRevisionLine numberNew contents of line
alanffrench 0:f4a7cf9ea593 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
alanffrench 0:f4a7cf9ea593 2 * use C12832 controller
alanffrench 0:f4a7cf9ea593 3 * Copyright (c) 2012 Peter Drescher - DC2PD
alanffrench 0:f4a7cf9ea593 4 * Released under the MIT License: http://mbed.org/license/mit
alanffrench 0:f4a7cf9ea593 5 *
alanffrench 0:f4a7cf9ea593 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
alanffrench 0:f4a7cf9ea593 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
alanffrench 0:f4a7cf9ea593 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
alanffrench 0:f4a7cf9ea593 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
alanffrench 0:f4a7cf9ea593 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
alanffrench 0:f4a7cf9ea593 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
alanffrench 0:f4a7cf9ea593 12 * THE SOFTWARE.
alanffrench 0:f4a7cf9ea593 13 */
alanffrench 0:f4a7cf9ea593 14
alanffrench 0:f4a7cf9ea593 15 // 13.10.12 initial design
alanffrench 0:f4a7cf9ea593 16 // 25.10.12 add autorefresh of screen
alanffrench 0:f4a7cf9ea593 17 // 25.10.12 add standart font
alanffrench 0:f4a7cf9ea593 18 // 20.12.12 add bitmap graphics
alanffrench 0:f4a7cf9ea593 19
alanffrench 0:f4a7cf9ea593 20 // optional defines :
alanffrench 0:f4a7cf9ea593 21 // #define debug_lcd 1
alanffrench 0:f4a7cf9ea593 22
alanffrench 0:f4a7cf9ea593 23 #include "C12832_lcd.h"
alanffrench 0:f4a7cf9ea593 24 #include "mbed.h"
alanffrench 0:f4a7cf9ea593 25 #include "stdio.h"
alanffrench 0:f4a7cf9ea593 26 #include "Small_7.h"
alanffrench 0:f4a7cf9ea593 27
alanffrench 0:f4a7cf9ea593 28 #define BPP 1 // Bits per pixel
alanffrench 0:f4a7cf9ea593 29
alanffrench 0:f4a7cf9ea593 30 C12832_LCD::C12832_LCD(const char* name)
alanffrench 0:f4a7cf9ea593 31 : _spi(p5,NC,p7),_reset(p6),_A0(p8),_CS(p11),GraphicsDisplay(name)
alanffrench 0:f4a7cf9ea593 32 {
alanffrench 0:f4a7cf9ea593 33 orientation = 1;
alanffrench 0:f4a7cf9ea593 34 draw_mode = NORMAL;
alanffrench 0:f4a7cf9ea593 35 char_x = 0;
alanffrench 0:f4a7cf9ea593 36 lcd_reset();
alanffrench 0:f4a7cf9ea593 37 }
alanffrench 0:f4a7cf9ea593 38
alanffrench 0:f4a7cf9ea593 39 int C12832_LCD::width()
alanffrench 0:f4a7cf9ea593 40 {
alanffrench 0:f4a7cf9ea593 41 if (orientation == 0 || orientation == 2) return 32;
alanffrench 0:f4a7cf9ea593 42 else return 128;
alanffrench 0:f4a7cf9ea593 43 }
alanffrench 0:f4a7cf9ea593 44
alanffrench 0:f4a7cf9ea593 45 int C12832_LCD::height()
alanffrench 0:f4a7cf9ea593 46 {
alanffrench 0:f4a7cf9ea593 47 if (orientation == 0 || orientation == 2) return 128;
alanffrench 0:f4a7cf9ea593 48 else return 32;
alanffrench 0:f4a7cf9ea593 49 }
alanffrench 0:f4a7cf9ea593 50
alanffrench 0:f4a7cf9ea593 51
alanffrench 0:f4a7cf9ea593 52 /*void C12832_LCD::set_orientation(unsigned int o)
alanffrench 0:f4a7cf9ea593 53 {
alanffrench 0:f4a7cf9ea593 54 orientation = o;
alanffrench 0:f4a7cf9ea593 55 switch (o) {
alanffrench 0:f4a7cf9ea593 56 case (0):
alanffrench 0:f4a7cf9ea593 57 wr_cmd(0xA0);
alanffrench 0:f4a7cf9ea593 58 wr_cmd(0xC0);
alanffrench 0:f4a7cf9ea593 59 break;
alanffrench 0:f4a7cf9ea593 60 case (1):
alanffrench 0:f4a7cf9ea593 61 wr_cmd(0xA0);
alanffrench 0:f4a7cf9ea593 62 wr_cmd(0xC8);
alanffrench 0:f4a7cf9ea593 63 break;
alanffrench 0:f4a7cf9ea593 64 case (2):
alanffrench 0:f4a7cf9ea593 65 wr_cmd(0xA1);
alanffrench 0:f4a7cf9ea593 66 wr_cmd(0xC8);
alanffrench 0:f4a7cf9ea593 67 break;
alanffrench 0:f4a7cf9ea593 68 case (3):
alanffrench 0:f4a7cf9ea593 69 wr_cmd(0xA1);
alanffrench 0:f4a7cf9ea593 70 wr_cmd(0xC0);
alanffrench 0:f4a7cf9ea593 71 break;
alanffrench 0:f4a7cf9ea593 72 }
alanffrench 0:f4a7cf9ea593 73 }
alanffrench 0:f4a7cf9ea593 74
alanffrench 0:f4a7cf9ea593 75 */
alanffrench 0:f4a7cf9ea593 76
alanffrench 0:f4a7cf9ea593 77 void C12832_LCD::invert(unsigned int o)
alanffrench 0:f4a7cf9ea593 78 {
alanffrench 0:f4a7cf9ea593 79 if(o == 0) wr_cmd(0xA6);
alanffrench 0:f4a7cf9ea593 80 else wr_cmd(0xA7);
alanffrench 0:f4a7cf9ea593 81 }
alanffrench 0:f4a7cf9ea593 82
alanffrench 0:f4a7cf9ea593 83
alanffrench 0:f4a7cf9ea593 84 void C12832_LCD::set_contrast(unsigned int o)
alanffrench 0:f4a7cf9ea593 85 {
alanffrench 0:f4a7cf9ea593 86 contrast = o;
alanffrench 0:f4a7cf9ea593 87 wr_cmd(0x81); // set volume
alanffrench 0:f4a7cf9ea593 88 wr_cmd(o & 0x3F);
alanffrench 0:f4a7cf9ea593 89 }
alanffrench 0:f4a7cf9ea593 90
alanffrench 0:f4a7cf9ea593 91 unsigned int C12832_LCD::get_contrast(void)
alanffrench 0:f4a7cf9ea593 92 {
alanffrench 0:f4a7cf9ea593 93 return(contrast);
alanffrench 0:f4a7cf9ea593 94 }
alanffrench 0:f4a7cf9ea593 95
alanffrench 0:f4a7cf9ea593 96
alanffrench 0:f4a7cf9ea593 97 // write command to lcd controller
alanffrench 0:f4a7cf9ea593 98
alanffrench 0:f4a7cf9ea593 99 void C12832_LCD::wr_cmd(unsigned char cmd)
alanffrench 0:f4a7cf9ea593 100 {
alanffrench 0:f4a7cf9ea593 101 _A0 = 0;
alanffrench 0:f4a7cf9ea593 102 _CS = 0;
alanffrench 0:f4a7cf9ea593 103 #if defined TARGET_LPC1768 // fast without mbed lib
alanffrench 0:f4a7cf9ea593 104 LPC_SSP1->DR = cmd;
alanffrench 0:f4a7cf9ea593 105 do {
alanffrench 0:f4a7cf9ea593 106 } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle
alanffrench 0:f4a7cf9ea593 107 #else
alanffrench 0:f4a7cf9ea593 108 _spi.write(cmd);
alanffrench 0:f4a7cf9ea593 109 #endif
alanffrench 0:f4a7cf9ea593 110 _CS = 1;
alanffrench 0:f4a7cf9ea593 111 }
alanffrench 0:f4a7cf9ea593 112
alanffrench 0:f4a7cf9ea593 113 // write data to lcd controller
alanffrench 0:f4a7cf9ea593 114
alanffrench 0:f4a7cf9ea593 115 void C12832_LCD::wr_dat(unsigned char dat)
alanffrench 0:f4a7cf9ea593 116 {
alanffrench 0:f4a7cf9ea593 117 _A0 = 1;
alanffrench 0:f4a7cf9ea593 118 _CS = 0;
alanffrench 0:f4a7cf9ea593 119 #if defined TARGET_LPC1768 // fast without mbed lib
alanffrench 0:f4a7cf9ea593 120 LPC_SSP1->DR = dat;
alanffrench 0:f4a7cf9ea593 121 do {
alanffrench 0:f4a7cf9ea593 122 } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle
alanffrench 0:f4a7cf9ea593 123 #else
alanffrench 0:f4a7cf9ea593 124 _spi.write(dat);
alanffrench 0:f4a7cf9ea593 125 #endif
alanffrench 0:f4a7cf9ea593 126 _CS = 1;
alanffrench 0:f4a7cf9ea593 127 }
alanffrench 0:f4a7cf9ea593 128
alanffrench 0:f4a7cf9ea593 129 // reset and init the lcd controller
alanffrench 0:f4a7cf9ea593 130
alanffrench 0:f4a7cf9ea593 131 void C12832_LCD::lcd_reset()
alanffrench 0:f4a7cf9ea593 132 {
alanffrench 0:f4a7cf9ea593 133
alanffrench 0:f4a7cf9ea593 134 _spi.format(8,3); // 8 bit spi mode 3
alanffrench 0:f4a7cf9ea593 135 _spi.frequency(20000000); // 19,2 Mhz SPI clock
alanffrench 0:f4a7cf9ea593 136 DigitalOut _reset(p6);
alanffrench 0:f4a7cf9ea593 137 _A0 = 0;
alanffrench 0:f4a7cf9ea593 138 _CS = 1;
alanffrench 0:f4a7cf9ea593 139 _reset = 0; // display reset
alanffrench 0:f4a7cf9ea593 140 wait_us(50);
alanffrench 0:f4a7cf9ea593 141 _reset = 1; // end reset
alanffrench 0:f4a7cf9ea593 142 wait_ms(5);
alanffrench 0:f4a7cf9ea593 143
alanffrench 0:f4a7cf9ea593 144 /* Start Initial Sequence ----------------------------------------------------*/
alanffrench 0:f4a7cf9ea593 145
alanffrench 0:f4a7cf9ea593 146 wr_cmd(0xAE); // display off
alanffrench 0:f4a7cf9ea593 147 wr_cmd(0xA2); // bias voltage
alanffrench 0:f4a7cf9ea593 148
alanffrench 0:f4a7cf9ea593 149 wr_cmd(0xA0);
alanffrench 0:f4a7cf9ea593 150 wr_cmd(0xC8); // colum normal
alanffrench 0:f4a7cf9ea593 151
alanffrench 0:f4a7cf9ea593 152 wr_cmd(0x22); // voltage resistor ratio
alanffrench 0:f4a7cf9ea593 153 wr_cmd(0x2F); // power on
alanffrench 0:f4a7cf9ea593 154 //wr_cmd(0xA4); // LCD display ram
alanffrench 0:f4a7cf9ea593 155 wr_cmd(0x40); // start line = 0
alanffrench 0:f4a7cf9ea593 156 wr_cmd(0xAF); // display ON
alanffrench 0:f4a7cf9ea593 157
alanffrench 0:f4a7cf9ea593 158 wr_cmd(0x81); // set contrast
alanffrench 0:f4a7cf9ea593 159 wr_cmd(0x17); // set contrast
alanffrench 0:f4a7cf9ea593 160
alanffrench 0:f4a7cf9ea593 161 wr_cmd(0xA6); // display normal
alanffrench 0:f4a7cf9ea593 162
alanffrench 0:f4a7cf9ea593 163
alanffrench 0:f4a7cf9ea593 164 #if defined TARGET_LPC1768 //setup DMA channel 0
alanffrench 0:f4a7cf9ea593 165 LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA
alanffrench 0:f4a7cf9ea593 166 LPC_GPDMA->DMACConfig = 1; // enable DMA controller
alanffrench 0:f4a7cf9ea593 167 LPC_GPDMA->DMACIntTCClear = 0x1;
alanffrench 0:f4a7cf9ea593 168 LPC_GPDMA->DMACIntErrClr = 0x1;
alanffrench 0:f4a7cf9ea593 169 LPC_GPDMACH0->DMACCLLI = 0;
alanffrench 0:f4a7cf9ea593 170 #endif
alanffrench 0:f4a7cf9ea593 171 // clear and update LCD
alanffrench 0:f4a7cf9ea593 172 memset(buffer,0x00,512); // clear display buffer
alanffrench 0:f4a7cf9ea593 173 copy_to_lcd();
alanffrench 0:f4a7cf9ea593 174 auto_up = 1; // switch on auto update
alanffrench 0:f4a7cf9ea593 175 // dont do this by default. Make the user call
alanffrench 0:f4a7cf9ea593 176 //claim(stdout); // redirekt printf to lcd
alanffrench 0:f4a7cf9ea593 177 locate(0,0);
alanffrench 0:f4a7cf9ea593 178 set_font((unsigned char*)Small_7); // standart font
alanffrench 0:f4a7cf9ea593 179 }
alanffrench 0:f4a7cf9ea593 180
alanffrench 0:f4a7cf9ea593 181 // set one pixel in buffer
alanffrench 0:f4a7cf9ea593 182
alanffrench 0:f4a7cf9ea593 183 void C12832_LCD::pixel(int x, int y, int color)
alanffrench 0:f4a7cf9ea593 184 {
alanffrench 0:f4a7cf9ea593 185 // first check parameter
alanffrench 0:f4a7cf9ea593 186 if(x > 128 || y > 32 || x < 0 || y < 0) return;
alanffrench 0:f4a7cf9ea593 187
alanffrench 0:f4a7cf9ea593 188 if(draw_mode == NORMAL) {
alanffrench 0:f4a7cf9ea593 189 if(color == 0)
alanffrench 0:f4a7cf9ea593 190 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
alanffrench 0:f4a7cf9ea593 191 else
alanffrench 0:f4a7cf9ea593 192 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
alanffrench 0:f4a7cf9ea593 193 } else { // XOR mode
alanffrench 0:f4a7cf9ea593 194 if(color == 1)
alanffrench 0:f4a7cf9ea593 195 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
alanffrench 0:f4a7cf9ea593 196 }
alanffrench 0:f4a7cf9ea593 197 }
alanffrench 0:f4a7cf9ea593 198
alanffrench 0:f4a7cf9ea593 199 // update lcd
alanffrench 0:f4a7cf9ea593 200
alanffrench 0:f4a7cf9ea593 201 void C12832_LCD::copy_to_lcd(void)
alanffrench 0:f4a7cf9ea593 202 {
alanffrench 0:f4a7cf9ea593 203 #ifndef TARGET_LPC1768
alanffrench 0:f4a7cf9ea593 204 int i;
alanffrench 0:f4a7cf9ea593 205 #endif
alanffrench 0:f4a7cf9ea593 206 //page 0
alanffrench 0:f4a7cf9ea593 207 wr_cmd(0x00); // set column low nibble 0
alanffrench 0:f4a7cf9ea593 208 wr_cmd(0x10); // set column hi nibble 0
alanffrench 0:f4a7cf9ea593 209 wr_cmd(0xB0); // set page address 0
alanffrench 0:f4a7cf9ea593 210 _A0 = 1;
alanffrench 0:f4a7cf9ea593 211 #if defined TARGET_LPC1768
alanffrench 0:f4a7cf9ea593 212 _CS = 0;
alanffrench 0:f4a7cf9ea593 213 // start 128 byte DMA transfer to SPI1
alanffrench 0:f4a7cf9ea593 214 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
alanffrench 0:f4a7cf9ea593 215 LPC_SSP1->DMACR = 0x2; // Enable SSP1 for DMA.
alanffrench 0:f4a7cf9ea593 216 LPC_GPDMA->DMACIntTCClear = 0x1;
alanffrench 0:f4a7cf9ea593 217 LPC_GPDMA->DMACIntErrClr = 0x1;
alanffrench 0:f4a7cf9ea593 218 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer);
alanffrench 0:f4a7cf9ea593 219 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
alanffrench 0:f4a7cf9ea593 220 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
alanffrench 0:f4a7cf9ea593 221 LPC_GPDMA->DMACSoftSReq = 0x1;
alanffrench 0:f4a7cf9ea593 222 do {
alanffrench 0:f4a7cf9ea593 223 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
alanffrench 0:f4a7cf9ea593 224 do {
alanffrench 0:f4a7cf9ea593 225 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
alanffrench 0:f4a7cf9ea593 226 _CS = 1;
alanffrench 0:f4a7cf9ea593 227 #else // no DMA
alanffrench 0:f4a7cf9ea593 228 for(i=0; i<128; i++) {
alanffrench 0:f4a7cf9ea593 229 wr_dat(buffer[i]);
alanffrench 0:f4a7cf9ea593 230 }
alanffrench 0:f4a7cf9ea593 231 #endif
alanffrench 0:f4a7cf9ea593 232
alanffrench 0:f4a7cf9ea593 233 // page 1
alanffrench 0:f4a7cf9ea593 234 wr_cmd(0x00); // set column low nibble 0
alanffrench 0:f4a7cf9ea593 235 wr_cmd(0x10); // set column hi nibble 0
alanffrench 0:f4a7cf9ea593 236 wr_cmd(0xB1); // set page address 1
alanffrench 0:f4a7cf9ea593 237 _A0 = 1;
alanffrench 0:f4a7cf9ea593 238 #if defined TARGET_LPC1768
alanffrench 0:f4a7cf9ea593 239 _CS = 0;
alanffrench 0:f4a7cf9ea593 240 // start 128 byte DMA transfer to SPI1
alanffrench 0:f4a7cf9ea593 241 LPC_GPDMA->DMACIntTCClear = 0x1;
alanffrench 0:f4a7cf9ea593 242 LPC_GPDMA->DMACIntErrClr = 0x1;
alanffrench 0:f4a7cf9ea593 243 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 128);
alanffrench 0:f4a7cf9ea593 244 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
alanffrench 0:f4a7cf9ea593 245 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
alanffrench 0:f4a7cf9ea593 246 LPC_GPDMA->DMACSoftSReq = 0x1;
alanffrench 0:f4a7cf9ea593 247 do {
alanffrench 0:f4a7cf9ea593 248 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
alanffrench 0:f4a7cf9ea593 249 do {
alanffrench 0:f4a7cf9ea593 250 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
alanffrench 0:f4a7cf9ea593 251 _CS = 1;
alanffrench 0:f4a7cf9ea593 252 #else // no DMA
alanffrench 0:f4a7cf9ea593 253 for(i=128; i<256; i++) {
alanffrench 0:f4a7cf9ea593 254 wr_dat(buffer[i]);
alanffrench 0:f4a7cf9ea593 255 }
alanffrench 0:f4a7cf9ea593 256 #endif
alanffrench 0:f4a7cf9ea593 257
alanffrench 0:f4a7cf9ea593 258 //page 2
alanffrench 0:f4a7cf9ea593 259 wr_cmd(0x00); // set column low nibble 0
alanffrench 0:f4a7cf9ea593 260 wr_cmd(0x10); // set column hi nibble 0
alanffrench 0:f4a7cf9ea593 261 wr_cmd(0xB2); // set page address 2
alanffrench 0:f4a7cf9ea593 262 _A0 = 1;
alanffrench 0:f4a7cf9ea593 263 #if defined TARGET_LPC1768
alanffrench 0:f4a7cf9ea593 264 _CS = 0;
alanffrench 0:f4a7cf9ea593 265 // start 128 byte DMA transfer to SPI1
alanffrench 0:f4a7cf9ea593 266 LPC_GPDMA->DMACIntTCClear = 0x1;
alanffrench 0:f4a7cf9ea593 267 LPC_GPDMA->DMACIntErrClr = 0x1;
alanffrench 0:f4a7cf9ea593 268 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 256);
alanffrench 0:f4a7cf9ea593 269 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
alanffrench 0:f4a7cf9ea593 270 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX ;
alanffrench 0:f4a7cf9ea593 271 LPC_GPDMA->DMACSoftSReq = 0x1;
alanffrench 0:f4a7cf9ea593 272 do {
alanffrench 0:f4a7cf9ea593 273 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
alanffrench 0:f4a7cf9ea593 274 do {
alanffrench 0:f4a7cf9ea593 275 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
alanffrench 0:f4a7cf9ea593 276 _CS = 1;
alanffrench 0:f4a7cf9ea593 277 #else // no DMA
alanffrench 0:f4a7cf9ea593 278 for(i=256; i<384; i++) {
alanffrench 0:f4a7cf9ea593 279 wr_dat(buffer[i]);
alanffrench 0:f4a7cf9ea593 280 }
alanffrench 0:f4a7cf9ea593 281 #endif
alanffrench 0:f4a7cf9ea593 282
alanffrench 0:f4a7cf9ea593 283 //page 3
alanffrench 0:f4a7cf9ea593 284 wr_cmd(0x00); // set column low nibble 0
alanffrench 0:f4a7cf9ea593 285 wr_cmd(0x10); // set column hi nibble 0
alanffrench 0:f4a7cf9ea593 286 wr_cmd(0xB3); // set page address 3
alanffrench 0:f4a7cf9ea593 287 _A0 = 1;
alanffrench 0:f4a7cf9ea593 288
alanffrench 0:f4a7cf9ea593 289 _CS = 0;
alanffrench 0:f4a7cf9ea593 290 #if defined TARGET_LPC1768
alanffrench 0:f4a7cf9ea593 291 // start 128 byte DMA transfer to SPI1
alanffrench 0:f4a7cf9ea593 292 LPC_GPDMA->DMACIntTCClear = 0x1;
alanffrench 0:f4a7cf9ea593 293 LPC_GPDMA->DMACIntErrClr = 0x1;
alanffrench 0:f4a7cf9ea593 294 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 384);
alanffrench 0:f4a7cf9ea593 295 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
alanffrench 0:f4a7cf9ea593 296 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
alanffrench 0:f4a7cf9ea593 297 LPC_GPDMA->DMACSoftSReq = 0x1;
alanffrench 0:f4a7cf9ea593 298 do {
alanffrench 0:f4a7cf9ea593 299 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
alanffrench 0:f4a7cf9ea593 300 do {
alanffrench 0:f4a7cf9ea593 301 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
alanffrench 0:f4a7cf9ea593 302 _CS = 1;
alanffrench 0:f4a7cf9ea593 303 #else // no DMA
alanffrench 0:f4a7cf9ea593 304 for(i=384; i<512; i++) {
alanffrench 0:f4a7cf9ea593 305 wr_dat(buffer[i]);
alanffrench 0:f4a7cf9ea593 306 }
alanffrench 0:f4a7cf9ea593 307 #endif
alanffrench 0:f4a7cf9ea593 308 }
alanffrench 0:f4a7cf9ea593 309
alanffrench 0:f4a7cf9ea593 310 void C12832_LCD::cls(void)
alanffrench 0:f4a7cf9ea593 311 {
alanffrench 0:f4a7cf9ea593 312 memset(buffer,0x00,512); // clear display buffer
alanffrench 0:f4a7cf9ea593 313 copy_to_lcd();
alanffrench 0:f4a7cf9ea593 314 }
alanffrench 0:f4a7cf9ea593 315
alanffrench 0:f4a7cf9ea593 316
alanffrench 0:f4a7cf9ea593 317 void C12832_LCD::line(int x0, int y0, int x1, int y1, int color)
alanffrench 0:f4a7cf9ea593 318 {
alanffrench 0:f4a7cf9ea593 319 int dx = 0, dy = 0;
alanffrench 0:f4a7cf9ea593 320 int dx_sym = 0, dy_sym = 0;
alanffrench 0:f4a7cf9ea593 321 int dx_x2 = 0, dy_x2 = 0;
alanffrench 0:f4a7cf9ea593 322 int di = 0;
alanffrench 0:f4a7cf9ea593 323
alanffrench 0:f4a7cf9ea593 324 dx = x1-x0;
alanffrench 0:f4a7cf9ea593 325 dy = y1-y0;
alanffrench 0:f4a7cf9ea593 326
alanffrench 0:f4a7cf9ea593 327 // if (dx == 0) { /* vertical line */
alanffrench 0:f4a7cf9ea593 328 // if (y1 > y0) vline(x0,y0,y1,color);
alanffrench 0:f4a7cf9ea593 329 // else vline(x0,y1,y0,color);
alanffrench 0:f4a7cf9ea593 330 // return;
alanffrench 0:f4a7cf9ea593 331 // }
alanffrench 0:f4a7cf9ea593 332
alanffrench 0:f4a7cf9ea593 333 if (dx > 0) {
alanffrench 0:f4a7cf9ea593 334 dx_sym = 1;
alanffrench 0:f4a7cf9ea593 335 } else {
alanffrench 0:f4a7cf9ea593 336 dx_sym = -1;
alanffrench 0:f4a7cf9ea593 337 }
alanffrench 0:f4a7cf9ea593 338 // if (dy == 0) { /* horizontal line */
alanffrench 0:f4a7cf9ea593 339 // if (x1 > x0) hline(x0,x1,y0,color);
alanffrench 0:f4a7cf9ea593 340 // else hline(x1,x0,y0,color);
alanffrench 0:f4a7cf9ea593 341 // return;
alanffrench 0:f4a7cf9ea593 342 // }
alanffrench 0:f4a7cf9ea593 343
alanffrench 0:f4a7cf9ea593 344 if (dy > 0) {
alanffrench 0:f4a7cf9ea593 345 dy_sym = 1;
alanffrench 0:f4a7cf9ea593 346 } else {
alanffrench 0:f4a7cf9ea593 347 dy_sym = -1;
alanffrench 0:f4a7cf9ea593 348 }
alanffrench 0:f4a7cf9ea593 349
alanffrench 0:f4a7cf9ea593 350 dx = dx_sym*dx;
alanffrench 0:f4a7cf9ea593 351 dy = dy_sym*dy;
alanffrench 0:f4a7cf9ea593 352
alanffrench 0:f4a7cf9ea593 353 dx_x2 = dx*2;
alanffrench 0:f4a7cf9ea593 354 dy_x2 = dy*2;
alanffrench 0:f4a7cf9ea593 355
alanffrench 0:f4a7cf9ea593 356 if (dx >= dy) {
alanffrench 0:f4a7cf9ea593 357 di = dy_x2 - dx;
alanffrench 0:f4a7cf9ea593 358 while (x0 != x1) {
alanffrench 0:f4a7cf9ea593 359
alanffrench 0:f4a7cf9ea593 360 pixel(x0, y0, color);
alanffrench 0:f4a7cf9ea593 361 x0 += dx_sym;
alanffrench 0:f4a7cf9ea593 362 if (di<0) {
alanffrench 0:f4a7cf9ea593 363 di += dy_x2;
alanffrench 0:f4a7cf9ea593 364 } else {
alanffrench 0:f4a7cf9ea593 365 di += dy_x2 - dx_x2;
alanffrench 0:f4a7cf9ea593 366 y0 += dy_sym;
alanffrench 0:f4a7cf9ea593 367 }
alanffrench 0:f4a7cf9ea593 368 }
alanffrench 0:f4a7cf9ea593 369 pixel(x0, y0, color);
alanffrench 0:f4a7cf9ea593 370 } else {
alanffrench 0:f4a7cf9ea593 371 di = dx_x2 - dy;
alanffrench 0:f4a7cf9ea593 372 while (y0 != y1) {
alanffrench 0:f4a7cf9ea593 373 pixel(x0, y0, color);
alanffrench 0:f4a7cf9ea593 374 y0 += dy_sym;
alanffrench 0:f4a7cf9ea593 375 if (di < 0) {
alanffrench 0:f4a7cf9ea593 376 di += dx_x2;
alanffrench 0:f4a7cf9ea593 377 } else {
alanffrench 0:f4a7cf9ea593 378 di += dx_x2 - dy_x2;
alanffrench 0:f4a7cf9ea593 379 x0 += dx_sym;
alanffrench 0:f4a7cf9ea593 380 }
alanffrench 0:f4a7cf9ea593 381 }
alanffrench 0:f4a7cf9ea593 382 pixel(x0, y0, color);
alanffrench 0:f4a7cf9ea593 383 }
alanffrench 0:f4a7cf9ea593 384 if(auto_up) copy_to_lcd();
alanffrench 0:f4a7cf9ea593 385 }
alanffrench 0:f4a7cf9ea593 386
alanffrench 0:f4a7cf9ea593 387 void C12832_LCD::rect(int x0, int y0, int x1, int y1, int color)
alanffrench 0:f4a7cf9ea593 388 {
alanffrench 0:f4a7cf9ea593 389
alanffrench 0:f4a7cf9ea593 390 if (x1 > x0) line(x0,y0,x1,y0,color);
alanffrench 0:f4a7cf9ea593 391 else line(x1,y0,x0,y0,color);
alanffrench 0:f4a7cf9ea593 392
alanffrench 0:f4a7cf9ea593 393 if (y1 > y0) line(x0,y0,x0,y1,color);
alanffrench 0:f4a7cf9ea593 394 else line(x0,y1,x0,y0,color);
alanffrench 0:f4a7cf9ea593 395
alanffrench 0:f4a7cf9ea593 396 if (x1 > x0) line(x0,y1,x1,y1,color);
alanffrench 0:f4a7cf9ea593 397 else line(x1,y1,x0,y1,color);
alanffrench 0:f4a7cf9ea593 398
alanffrench 0:f4a7cf9ea593 399 if (y1 > y0) line(x1,y0,x1,y1,color);
alanffrench 0:f4a7cf9ea593 400 else line(x1,y1,x1,y0,color);
alanffrench 0:f4a7cf9ea593 401
alanffrench 0:f4a7cf9ea593 402 if(auto_up) copy_to_lcd();
alanffrench 0:f4a7cf9ea593 403 }
alanffrench 0:f4a7cf9ea593 404
alanffrench 0:f4a7cf9ea593 405 void C12832_LCD::fillrect(int x0, int y0, int x1, int y1, int color)
alanffrench 0:f4a7cf9ea593 406 {
alanffrench 0:f4a7cf9ea593 407 int l,c,i;
alanffrench 0:f4a7cf9ea593 408 if(x0 > x1) {
alanffrench 0:f4a7cf9ea593 409 i = x0;
alanffrench 0:f4a7cf9ea593 410 x0 = x1;
alanffrench 0:f4a7cf9ea593 411 x1 = i;
alanffrench 0:f4a7cf9ea593 412 }
alanffrench 0:f4a7cf9ea593 413
alanffrench 0:f4a7cf9ea593 414 if(y0 > y1) {
alanffrench 0:f4a7cf9ea593 415 i = y0;
alanffrench 0:f4a7cf9ea593 416 y0 = y1;
alanffrench 0:f4a7cf9ea593 417 y1 = i;
alanffrench 0:f4a7cf9ea593 418 }
alanffrench 0:f4a7cf9ea593 419
alanffrench 0:f4a7cf9ea593 420 for(l = x0; l<= x1; l ++) {
alanffrench 0:f4a7cf9ea593 421 for(c = y0; c<= y1; c++) {
alanffrench 0:f4a7cf9ea593 422 pixel(l,c,color);
alanffrench 0:f4a7cf9ea593 423 }
alanffrench 0:f4a7cf9ea593 424 }
alanffrench 0:f4a7cf9ea593 425 if(auto_up) copy_to_lcd();
alanffrench 0:f4a7cf9ea593 426 }
alanffrench 0:f4a7cf9ea593 427
alanffrench 0:f4a7cf9ea593 428
alanffrench 0:f4a7cf9ea593 429
alanffrench 0:f4a7cf9ea593 430 void C12832_LCD::circle(int x0, int y0, int r, int color)
alanffrench 0:f4a7cf9ea593 431 {
alanffrench 0:f4a7cf9ea593 432
alanffrench 0:f4a7cf9ea593 433 int draw_x0, draw_y0;
alanffrench 0:f4a7cf9ea593 434 int draw_x1, draw_y1;
alanffrench 0:f4a7cf9ea593 435 int draw_x2, draw_y2;
alanffrench 0:f4a7cf9ea593 436 int draw_x3, draw_y3;
alanffrench 0:f4a7cf9ea593 437 int draw_x4, draw_y4;
alanffrench 0:f4a7cf9ea593 438 int draw_x5, draw_y5;
alanffrench 0:f4a7cf9ea593 439 int draw_x6, draw_y6;
alanffrench 0:f4a7cf9ea593 440 int draw_x7, draw_y7;
alanffrench 0:f4a7cf9ea593 441 int xx, yy;
alanffrench 0:f4a7cf9ea593 442 int di;
alanffrench 0:f4a7cf9ea593 443 //WindowMax();
alanffrench 0:f4a7cf9ea593 444 if (r == 0) { /* no radius */
alanffrench 0:f4a7cf9ea593 445 return;
alanffrench 0:f4a7cf9ea593 446 }
alanffrench 0:f4a7cf9ea593 447
alanffrench 0:f4a7cf9ea593 448 draw_x0 = draw_x1 = x0;
alanffrench 0:f4a7cf9ea593 449 draw_y0 = draw_y1 = y0 + r;
alanffrench 0:f4a7cf9ea593 450 if (draw_y0 < height()) {
alanffrench 0:f4a7cf9ea593 451 pixel(draw_x0, draw_y0, color); /* 90 degree */
alanffrench 0:f4a7cf9ea593 452 }
alanffrench 0:f4a7cf9ea593 453
alanffrench 0:f4a7cf9ea593 454 draw_x2 = draw_x3 = x0;
alanffrench 0:f4a7cf9ea593 455 draw_y2 = draw_y3 = y0 - r;
alanffrench 0:f4a7cf9ea593 456 if (draw_y2 >= 0) {
alanffrench 0:f4a7cf9ea593 457 pixel(draw_x2, draw_y2, color); /* 270 degree */
alanffrench 0:f4a7cf9ea593 458 }
alanffrench 0:f4a7cf9ea593 459
alanffrench 0:f4a7cf9ea593 460 draw_x4 = draw_x6 = x0 + r;
alanffrench 0:f4a7cf9ea593 461 draw_y4 = draw_y6 = y0;
alanffrench 0:f4a7cf9ea593 462 if (draw_x4 < width()) {
alanffrench 0:f4a7cf9ea593 463 pixel(draw_x4, draw_y4, color); /* 0 degree */
alanffrench 0:f4a7cf9ea593 464 }
alanffrench 0:f4a7cf9ea593 465
alanffrench 0:f4a7cf9ea593 466 draw_x5 = draw_x7 = x0 - r;
alanffrench 0:f4a7cf9ea593 467 draw_y5 = draw_y7 = y0;
alanffrench 0:f4a7cf9ea593 468 if (draw_x5>=0) {
alanffrench 0:f4a7cf9ea593 469 pixel(draw_x5, draw_y5, color); /* 180 degree */
alanffrench 0:f4a7cf9ea593 470 }
alanffrench 0:f4a7cf9ea593 471
alanffrench 0:f4a7cf9ea593 472 if (r == 1) {
alanffrench 0:f4a7cf9ea593 473 return;
alanffrench 0:f4a7cf9ea593 474 }
alanffrench 0:f4a7cf9ea593 475
alanffrench 0:f4a7cf9ea593 476 di = 3 - 2*r;
alanffrench 0:f4a7cf9ea593 477 xx = 0;
alanffrench 0:f4a7cf9ea593 478 yy = r;
alanffrench 0:f4a7cf9ea593 479 while (xx < yy) {
alanffrench 0:f4a7cf9ea593 480
alanffrench 0:f4a7cf9ea593 481 if (di < 0) {
alanffrench 0:f4a7cf9ea593 482 di += 4*xx + 6;
alanffrench 0:f4a7cf9ea593 483 } else {
alanffrench 0:f4a7cf9ea593 484 di += 4*(xx - yy) + 10;
alanffrench 0:f4a7cf9ea593 485 yy--;
alanffrench 0:f4a7cf9ea593 486 draw_y0--;
alanffrench 0:f4a7cf9ea593 487 draw_y1--;
alanffrench 0:f4a7cf9ea593 488 draw_y2++;
alanffrench 0:f4a7cf9ea593 489 draw_y3++;
alanffrench 0:f4a7cf9ea593 490 draw_x4--;
alanffrench 0:f4a7cf9ea593 491 draw_x5++;
alanffrench 0:f4a7cf9ea593 492 draw_x6--;
alanffrench 0:f4a7cf9ea593 493 draw_x7++;
alanffrench 0:f4a7cf9ea593 494 }
alanffrench 0:f4a7cf9ea593 495 xx++;
alanffrench 0:f4a7cf9ea593 496 draw_x0++;
alanffrench 0:f4a7cf9ea593 497 draw_x1--;
alanffrench 0:f4a7cf9ea593 498 draw_x2++;
alanffrench 0:f4a7cf9ea593 499 draw_x3--;
alanffrench 0:f4a7cf9ea593 500 draw_y4++;
alanffrench 0:f4a7cf9ea593 501 draw_y5++;
alanffrench 0:f4a7cf9ea593 502 draw_y6--;
alanffrench 0:f4a7cf9ea593 503 draw_y7--;
alanffrench 0:f4a7cf9ea593 504
alanffrench 0:f4a7cf9ea593 505 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
alanffrench 0:f4a7cf9ea593 506 pixel(draw_x0, draw_y0, color);
alanffrench 0:f4a7cf9ea593 507 }
alanffrench 0:f4a7cf9ea593 508
alanffrench 0:f4a7cf9ea593 509 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
alanffrench 0:f4a7cf9ea593 510 pixel(draw_x1, draw_y1, color);
alanffrench 0:f4a7cf9ea593 511 }
alanffrench 0:f4a7cf9ea593 512
alanffrench 0:f4a7cf9ea593 513 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
alanffrench 0:f4a7cf9ea593 514 pixel(draw_x2, draw_y2, color);
alanffrench 0:f4a7cf9ea593 515 }
alanffrench 0:f4a7cf9ea593 516
alanffrench 0:f4a7cf9ea593 517 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
alanffrench 0:f4a7cf9ea593 518 pixel(draw_x3, draw_y3, color);
alanffrench 0:f4a7cf9ea593 519 }
alanffrench 0:f4a7cf9ea593 520
alanffrench 0:f4a7cf9ea593 521 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
alanffrench 0:f4a7cf9ea593 522 pixel(draw_x4, draw_y4, color);
alanffrench 0:f4a7cf9ea593 523 }
alanffrench 0:f4a7cf9ea593 524
alanffrench 0:f4a7cf9ea593 525 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
alanffrench 0:f4a7cf9ea593 526 pixel(draw_x5, draw_y5, color);
alanffrench 0:f4a7cf9ea593 527 }
alanffrench 0:f4a7cf9ea593 528 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
alanffrench 0:f4a7cf9ea593 529 pixel(draw_x6, draw_y6, color);
alanffrench 0:f4a7cf9ea593 530 }
alanffrench 0:f4a7cf9ea593 531 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
alanffrench 0:f4a7cf9ea593 532 pixel(draw_x7, draw_y7, color);
alanffrench 0:f4a7cf9ea593 533 }
alanffrench 0:f4a7cf9ea593 534 }
alanffrench 0:f4a7cf9ea593 535 if(auto_up) copy_to_lcd();
alanffrench 0:f4a7cf9ea593 536 }
alanffrench 0:f4a7cf9ea593 537
alanffrench 0:f4a7cf9ea593 538 void C12832_LCD::fillcircle(int x, int y, int r, int color)
alanffrench 0:f4a7cf9ea593 539 {
alanffrench 0:f4a7cf9ea593 540 int i,up;
alanffrench 0:f4a7cf9ea593 541 up = auto_up;
alanffrench 0:f4a7cf9ea593 542 auto_up = 0; // off
alanffrench 0:f4a7cf9ea593 543 for (i = 0; i <= r; i++)
alanffrench 0:f4a7cf9ea593 544 circle(x,y,i,color);
alanffrench 0:f4a7cf9ea593 545 auto_up = up;
alanffrench 0:f4a7cf9ea593 546 if(auto_up) copy_to_lcd();
alanffrench 0:f4a7cf9ea593 547 }
alanffrench 0:f4a7cf9ea593 548
alanffrench 0:f4a7cf9ea593 549 void C12832_LCD::setmode(int mode)
alanffrench 0:f4a7cf9ea593 550 {
alanffrench 0:f4a7cf9ea593 551 draw_mode = mode;
alanffrench 0:f4a7cf9ea593 552 }
alanffrench 0:f4a7cf9ea593 553
alanffrench 0:f4a7cf9ea593 554 void C12832_LCD::locate(int x, int y)
alanffrench 0:f4a7cf9ea593 555 {
alanffrench 0:f4a7cf9ea593 556 char_x = x;
alanffrench 0:f4a7cf9ea593 557 char_y = y;
alanffrench 0:f4a7cf9ea593 558 }
alanffrench 0:f4a7cf9ea593 559
alanffrench 0:f4a7cf9ea593 560
alanffrench 0:f4a7cf9ea593 561
alanffrench 0:f4a7cf9ea593 562 int C12832_LCD::columns()
alanffrench 0:f4a7cf9ea593 563 {
alanffrench 0:f4a7cf9ea593 564 return width() / font[1];
alanffrench 0:f4a7cf9ea593 565 }
alanffrench 0:f4a7cf9ea593 566
alanffrench 0:f4a7cf9ea593 567
alanffrench 0:f4a7cf9ea593 568
alanffrench 0:f4a7cf9ea593 569 int C12832_LCD::rows()
alanffrench 0:f4a7cf9ea593 570 {
alanffrench 0:f4a7cf9ea593 571 return height() / font[2];
alanffrench 0:f4a7cf9ea593 572 }
alanffrench 0:f4a7cf9ea593 573
alanffrench 0:f4a7cf9ea593 574
alanffrench 0:f4a7cf9ea593 575
alanffrench 0:f4a7cf9ea593 576 int C12832_LCD::_putc(int value)
alanffrench 0:f4a7cf9ea593 577 {
alanffrench 0:f4a7cf9ea593 578 if (value == '\n') { // new line
alanffrench 0:f4a7cf9ea593 579 char_x = 0;
alanffrench 0:f4a7cf9ea593 580 char_y = char_y + font[2];
alanffrench 0:f4a7cf9ea593 581 if (char_y >= height() - font[2]) {
alanffrench 0:f4a7cf9ea593 582 char_y = 0;
alanffrench 0:f4a7cf9ea593 583 }
alanffrench 0:f4a7cf9ea593 584 } else {
alanffrench 0:f4a7cf9ea593 585 character(char_x, char_y, value);
alanffrench 0:f4a7cf9ea593 586 if(auto_up) copy_to_lcd();
alanffrench 0:f4a7cf9ea593 587 }
alanffrench 0:f4a7cf9ea593 588 return value;
alanffrench 0:f4a7cf9ea593 589 }
alanffrench 0:f4a7cf9ea593 590
alanffrench 0:f4a7cf9ea593 591 void C12832_LCD::character(int x, int y, int c)
alanffrench 0:f4a7cf9ea593 592 {
alanffrench 0:f4a7cf9ea593 593 unsigned int hor,vert,offset,bpl,j,i,b;
alanffrench 0:f4a7cf9ea593 594 unsigned char* zeichen;
alanffrench 0:f4a7cf9ea593 595 unsigned char z,w;
alanffrench 0:f4a7cf9ea593 596
alanffrench 0:f4a7cf9ea593 597 if ((c < 31) || (c > 127)) return; // test char range
alanffrench 0:f4a7cf9ea593 598
alanffrench 0:f4a7cf9ea593 599 // read font parameter from start of array
alanffrench 0:f4a7cf9ea593 600 offset = font[0]; // bytes / char
alanffrench 0:f4a7cf9ea593 601 hor = font[1]; // get hor size of font
alanffrench 0:f4a7cf9ea593 602 vert = font[2]; // get vert size of font
alanffrench 0:f4a7cf9ea593 603 bpl = font[3]; // bytes per line
alanffrench 0:f4a7cf9ea593 604
alanffrench 0:f4a7cf9ea593 605 if (char_x + hor > width()) {
alanffrench 0:f4a7cf9ea593 606 char_x = 0;
alanffrench 0:f4a7cf9ea593 607 char_y = char_y + vert;
alanffrench 0:f4a7cf9ea593 608 if (char_y >= height() - font[2]) {
alanffrench 0:f4a7cf9ea593 609 char_y = 0;
alanffrench 0:f4a7cf9ea593 610 }
alanffrench 0:f4a7cf9ea593 611 }
alanffrench 0:f4a7cf9ea593 612
alanffrench 0:f4a7cf9ea593 613 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
alanffrench 0:f4a7cf9ea593 614 w = zeichen[0]; // width of actual char
alanffrench 0:f4a7cf9ea593 615 // construct the char into the buffer
alanffrench 0:f4a7cf9ea593 616 for (j=0; j<vert; j++) { // vert line
alanffrench 0:f4a7cf9ea593 617 for (i=0; i<hor; i++) { // horz line
alanffrench 0:f4a7cf9ea593 618 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
alanffrench 0:f4a7cf9ea593 619 b = 1 << (j & 0x07);
alanffrench 0:f4a7cf9ea593 620 if (( z & b ) == 0x00) {
alanffrench 0:f4a7cf9ea593 621 pixel(x+i,y+j,0);
alanffrench 0:f4a7cf9ea593 622 } else {
alanffrench 0:f4a7cf9ea593 623 pixel(x+i,y+j,1);
alanffrench 0:f4a7cf9ea593 624 }
alanffrench 0:f4a7cf9ea593 625
alanffrench 0:f4a7cf9ea593 626 }
alanffrench 0:f4a7cf9ea593 627 }
alanffrench 0:f4a7cf9ea593 628
alanffrench 0:f4a7cf9ea593 629 char_x += w;
alanffrench 0:f4a7cf9ea593 630 }
alanffrench 0:f4a7cf9ea593 631
alanffrench 0:f4a7cf9ea593 632
alanffrench 0:f4a7cf9ea593 633 void C12832_LCD::set_font(unsigned char* f)
alanffrench 0:f4a7cf9ea593 634 {
alanffrench 0:f4a7cf9ea593 635 font = f;
alanffrench 0:f4a7cf9ea593 636 }
alanffrench 0:f4a7cf9ea593 637
alanffrench 0:f4a7cf9ea593 638 void C12832_LCD::set_auto_up(unsigned int up)
alanffrench 0:f4a7cf9ea593 639 {
alanffrench 0:f4a7cf9ea593 640 if(up ) auto_up = 1;
alanffrench 0:f4a7cf9ea593 641 else auto_up = 0;
alanffrench 0:f4a7cf9ea593 642 }
alanffrench 0:f4a7cf9ea593 643
alanffrench 0:f4a7cf9ea593 644 unsigned int C12832_LCD::get_auto_up(void)
alanffrench 0:f4a7cf9ea593 645 {
alanffrench 0:f4a7cf9ea593 646 return (auto_up);
alanffrench 0:f4a7cf9ea593 647 }
alanffrench 0:f4a7cf9ea593 648
alanffrench 0:f4a7cf9ea593 649 void C12832_LCD::print_bm(Bitmap bm, int x, int y)
alanffrench 0:f4a7cf9ea593 650 {
alanffrench 0:f4a7cf9ea593 651 int h,v,b;
alanffrench 0:f4a7cf9ea593 652 char d;
alanffrench 0:f4a7cf9ea593 653
alanffrench 0:f4a7cf9ea593 654 for(v=0; v < bm.ySize; v++) { // lines
alanffrench 0:f4a7cf9ea593 655 for(h=0; h < bm.xSize; h++) { // pixel
alanffrench 0:f4a7cf9ea593 656 if(h + x > 127) break;
alanffrench 0:f4a7cf9ea593 657 if(v + y > 31) break;
alanffrench 0:f4a7cf9ea593 658 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
alanffrench 0:f4a7cf9ea593 659 b = 0x80 >> (h & 0x07);
alanffrench 0:f4a7cf9ea593 660 if((d & b) == 0) {
alanffrench 0:f4a7cf9ea593 661 pixel(x+h,y+v,0);
alanffrench 0:f4a7cf9ea593 662 } else {
alanffrench 0:f4a7cf9ea593 663 pixel(x+h,y+v,1);
alanffrench 0:f4a7cf9ea593 664 }
alanffrench 0:f4a7cf9ea593 665 }
alanffrench 0:f4a7cf9ea593 666 }
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