Tim Dennis / C12832_lcd2

Lib for the LCD display on mbed lab Board

C12832_lcd.cpp@11:ba3d59f8a176, 2019-01-23 (annotated)

Committer:
timdennis
Date:
Wed Jan 23 07:22:59 2019 +0000
Revision:
11:ba3d59f8a176
Parent:
10:8f86576007d6 
First Issue to MK

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:4bbc531be6e2 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
dreschpe 0:4bbc531be6e2 2 * use C12832 controller
dreschpe 0:4bbc531be6e2 3 * Copyright (c) 2012 Peter Drescher - DC2PD
dreschpe 0:4bbc531be6e2 4 * Released under the MIT License: http://mbed.org/license/mit
dreschpe 0:4bbc531be6e2 5 *
dreschpe 0:4bbc531be6e2 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dreschpe 0:4bbc531be6e2 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dreschpe 0:4bbc531be6e2 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dreschpe 0:4bbc531be6e2 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dreschpe 0:4bbc531be6e2 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dreschpe 0:4bbc531be6e2 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dreschpe 0:4bbc531be6e2 12 * THE SOFTWARE.
dreschpe 0:4bbc531be6e2 13 */
dreschpe 0:4bbc531be6e2 14
dreschpe 0:4bbc531be6e2 15 // 13.10.12 initial design
dreschpe 3:468cdccff7af 16 // 25.10.12 add autorefresh of screen
dreschpe 7:0f5a3b0f3cab 17 // 25.10.12 add standart font
dreschpe 7:0f5a3b0f3cab 18 // 20.12.12 add bitmap graphics
dreschpe 3:468cdccff7af 19
dreschpe 0:4bbc531be6e2 20 // optional defines :
dreschpe 3:468cdccff7af 21 // #define debug_lcd 1
dreschpe 0:4bbc531be6e2 22
dreschpe 0:4bbc531be6e2 23 #include "C12832_lcd.h"
dreschpe 0:4bbc531be6e2 24 #include "mbed.h"
dreschpe 0:4bbc531be6e2 25 #include "stdio.h"
dreschpe 3:468cdccff7af 26 #include "Small_7.h"
dreschpe 0:4bbc531be6e2 27
dreschpe 0:4bbc531be6e2 28 #define BPP 1 // Bits per pixel
dreschpe 0:4bbc531be6e2 29
dreschpe 0:4bbc531be6e2 30 C12832_LCD::C12832_LCD(const char* name)
dreschpe 0:4bbc531be6e2 31 : _spi(p5,NC,p7),_reset(p6),_A0(p8),_CS(p11),GraphicsDisplay(name)
dreschpe 0:4bbc531be6e2 32 {
dreschpe 0:4bbc531be6e2 33 orientation = 1;
dreschpe 0:4bbc531be6e2 34 draw_mode = NORMAL;
dreschpe 0:4bbc531be6e2 35 char_x = 0;
dreschpe 0:4bbc531be6e2 36 lcd_reset();
dreschpe 0:4bbc531be6e2 37 }
dreschpe 0:4bbc531be6e2 38
dreschpe 0:4bbc531be6e2 39 int C12832_LCD::width()
dreschpe 0:4bbc531be6e2 40 {
dreschpe 0:4bbc531be6e2 41 if (orientation == 0 || orientation == 2) return 32;
dreschpe 0:4bbc531be6e2 42 else return 128;
dreschpe 0:4bbc531be6e2 43 }
dreschpe 0:4bbc531be6e2 44
dreschpe 0:4bbc531be6e2 45 int C12832_LCD::height()
dreschpe 0:4bbc531be6e2 46 {
dreschpe 0:4bbc531be6e2 47 if (orientation == 0 || orientation == 2) return 128;
dreschpe 0:4bbc531be6e2 48 else return 32;
dreschpe 0:4bbc531be6e2 49 }
dreschpe 0:4bbc531be6e2 50
dreschpe 0:4bbc531be6e2 51
dreschpe 1:66dd8afbfd06 52 /*void C12832_LCD::set_orientation(unsigned int o)
dreschpe 0:4bbc531be6e2 53 {
dreschpe 0:4bbc531be6e2 54 orientation = o;
dreschpe 0:4bbc531be6e2 55 switch (o) {
dreschpe 0:4bbc531be6e2 56 case (0):
dreschpe 0:4bbc531be6e2 57 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 58 wr_cmd(0xC0);
dreschpe 0:4bbc531be6e2 59 break;
dreschpe 0:4bbc531be6e2 60 case (1):
dreschpe 0:4bbc531be6e2 61 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 62 wr_cmd(0xC8);
dreschpe 0:4bbc531be6e2 63 break;
dreschpe 0:4bbc531be6e2 64 case (2):
dreschpe 0:4bbc531be6e2 65 wr_cmd(0xA1);
dreschpe 0:4bbc531be6e2 66 wr_cmd(0xC8);
dreschpe 0:4bbc531be6e2 67 break;
dreschpe 0:4bbc531be6e2 68 case (3):
dreschpe 0:4bbc531be6e2 69 wr_cmd(0xA1);
dreschpe 0:4bbc531be6e2 70 wr_cmd(0xC0);
dreschpe 0:4bbc531be6e2 71 break;
dreschpe 0:4bbc531be6e2 72 }
dreschpe 0:4bbc531be6e2 73 }
dreschpe 0:4bbc531be6e2 74
dreschpe 1:66dd8afbfd06 75 */
dreschpe 1:66dd8afbfd06 76
dreschpe 0:4bbc531be6e2 77 void C12832_LCD::invert(unsigned int o)
dreschpe 0:4bbc531be6e2 78 {
dreschpe 0:4bbc531be6e2 79 if(o == 0) wr_cmd(0xA6);
dreschpe 0:4bbc531be6e2 80 else wr_cmd(0xA7);
dreschpe 0:4bbc531be6e2 81 }
dreschpe 0:4bbc531be6e2 82
dreschpe 0:4bbc531be6e2 83
dreschpe 0:4bbc531be6e2 84 void C12832_LCD::set_contrast(unsigned int o)
dreschpe 0:4bbc531be6e2 85 {
dreschpe 1:66dd8afbfd06 86 contrast = o;
dreschpe 0:4bbc531be6e2 87 wr_cmd(0x81); // set volume
dreschpe 2:bdc53502af17 88 wr_cmd(o & 0x3F);
dreschpe 0:4bbc531be6e2 89 }
dreschpe 0:4bbc531be6e2 90
dreschpe 1:66dd8afbfd06 91 unsigned int C12832_LCD::get_contrast(void)
dreschpe 1:66dd8afbfd06 92 {
dreschpe 1:66dd8afbfd06 93 return(contrast);
dreschpe 1:66dd8afbfd06 94 }
dreschpe 1:66dd8afbfd06 95
dreschpe 0:4bbc531be6e2 96
dreschpe 0:4bbc531be6e2 97 // write command to lcd controller
dreschpe 0:4bbc531be6e2 98
dreschpe 0:4bbc531be6e2 99 void C12832_LCD::wr_cmd(unsigned char cmd)
dreschpe 0:4bbc531be6e2 100 {
dreschpe 0:4bbc531be6e2 101 _A0 = 0;
dreschpe 0:4bbc531be6e2 102 _CS = 0;
dreschpe 2:bdc53502af17 103 #if defined TARGET_LPC1768 // fast without mbed lib
dreschpe 0:4bbc531be6e2 104 LPC_SSP1->DR = cmd;
dreschpe 0:4bbc531be6e2 105 do {
dreschpe 0:4bbc531be6e2 106 } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle
dreschpe 2:bdc53502af17 107 #else
dreschpe 2:bdc53502af17 108 _spi.write(cmd);
dreschpe 2:bdc53502af17 109 #endif
dreschpe 7:0f5a3b0f3cab 110 _CS = 1;
dreschpe 0:4bbc531be6e2 111 }
dreschpe 0:4bbc531be6e2 112
dreschpe 0:4bbc531be6e2 113 // write data to lcd controller
dreschpe 0:4bbc531be6e2 114
dreschpe 0:4bbc531be6e2 115 void C12832_LCD::wr_dat(unsigned char dat)
dreschpe 0:4bbc531be6e2 116 {
dreschpe 0:4bbc531be6e2 117 _A0 = 1;
dreschpe 0:4bbc531be6e2 118 _CS = 0;
dreschpe 2:bdc53502af17 119 #if defined TARGET_LPC1768 // fast without mbed lib
dreschpe 0:4bbc531be6e2 120 LPC_SSP1->DR = dat;
dreschpe 0:4bbc531be6e2 121 do {
dreschpe 0:4bbc531be6e2 122 } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle
dreschpe 2:bdc53502af17 123 #else
dreschpe 2:bdc53502af17 124 _spi.write(dat);
dreschpe 2:bdc53502af17 125 #endif
dreschpe 0:4bbc531be6e2 126 _CS = 1;
dreschpe 0:4bbc531be6e2 127 }
dreschpe 0:4bbc531be6e2 128
dreschpe 0:4bbc531be6e2 129 // reset and init the lcd controller
dreschpe 0:4bbc531be6e2 130
dreschpe 0:4bbc531be6e2 131 void C12832_LCD::lcd_reset()
dreschpe 0:4bbc531be6e2 132 {
dreschpe 0:4bbc531be6e2 133
dreschpe 0:4bbc531be6e2 134 _spi.format(8,3); // 8 bit spi mode 3
dreschpe 0:4bbc531be6e2 135 _spi.frequency(20000000); // 19,2 Mhz SPI clock
dreschpe 0:4bbc531be6e2 136 DigitalOut _reset(p6);
dreschpe 0:4bbc531be6e2 137 _A0 = 0;
dreschpe 0:4bbc531be6e2 138 _CS = 1;
dreschpe 0:4bbc531be6e2 139 _reset = 0; // display reset
dreschpe 0:4bbc531be6e2 140 wait_us(50);
dreschpe 0:4bbc531be6e2 141 _reset = 1; // end reset
dreschpe 0:4bbc531be6e2 142 wait_ms(5);
dreschpe 0:4bbc531be6e2 143
dreschpe 0:4bbc531be6e2 144 /* Start Initial Sequence ----------------------------------------------------*/
dreschpe 0:4bbc531be6e2 145
dreschpe 0:4bbc531be6e2 146 wr_cmd(0xAE); // display off
dreschpe 0:4bbc531be6e2 147 wr_cmd(0xA2); // bias voltage
dreschpe 0:4bbc531be6e2 148
dreschpe 0:4bbc531be6e2 149 wr_cmd(0xA0);
dreschpe 0:4bbc531be6e2 150 wr_cmd(0xC8); // colum normal
dreschpe 0:4bbc531be6e2 151
dreschpe 0:4bbc531be6e2 152 wr_cmd(0x22); // voltage resistor ratio
dreschpe 0:4bbc531be6e2 153 wr_cmd(0x2F); // power on
dreschpe 1:66dd8afbfd06 154 //wr_cmd(0xA4); // LCD display ram
dreschpe 0:4bbc531be6e2 155 wr_cmd(0x40); // start line = 0
dreschpe 0:4bbc531be6e2 156 wr_cmd(0xAF); // display ON
dreschpe 0:4bbc531be6e2 157
dreschpe 0:4bbc531be6e2 158 wr_cmd(0x81); // set contrast
dreschpe 0:4bbc531be6e2 159 wr_cmd(0x17); // set contrast
dreschpe 0:4bbc531be6e2 160
dreschpe 0:4bbc531be6e2 161 wr_cmd(0xA6); // display normal
dreschpe 0:4bbc531be6e2 162
dreschpe 7:0f5a3b0f3cab 163
dreschpe 2:bdc53502af17 164 #if defined TARGET_LPC1768 //setup DMA channel 0
dreschpe 0:4bbc531be6e2 165 LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA
dreschpe 2:bdc53502af17 166 LPC_GPDMA->DMACConfig = 1; // enable DMA controller
dreschpe 0:4bbc531be6e2 167 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:4bbc531be6e2 168 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:4bbc531be6e2 169 LPC_GPDMACH0->DMACCLLI = 0;
dreschpe 2:bdc53502af17 170 #endif
dreschpe 0:4bbc531be6e2 171 // clear and update LCD
dreschpe 0:4bbc531be6e2 172 memset(buffer,0x00,512); // clear display buffer
dreschpe 0:4bbc531be6e2 173 copy_to_lcd();
dreschpe 3:468cdccff7af 174 auto_up = 1; // switch on auto update
sam_grove 10:8f86576007d6 175 // dont do this by default. Make the user call
sam_grove 10:8f86576007d6 176 //claim(stdout); // redirekt printf to lcd
dreschpe 3:468cdccff7af 177 locate(0,0);
dreschpe 7:0f5a3b0f3cab 178 set_font((unsigned char*)Small_7); // standart font
dreschpe 0:4bbc531be6e2 179 }
dreschpe 0:4bbc531be6e2 180
dreschpe 0:4bbc531be6e2 181 // set one pixel in buffer
dreschpe 0:4bbc531be6e2 182
dreschpe 0:4bbc531be6e2 183 void C12832_LCD::pixel(int x, int y, int color)
dreschpe 0:4bbc531be6e2 184 {
dreschpe 0:4bbc531be6e2 185 // first check parameter
dreschpe 0:4bbc531be6e2 186 if(x > 128 || y > 32 || x < 0 || y < 0) return;
dreschpe 0:4bbc531be6e2 187
dreschpe 0:4bbc531be6e2 188 if(draw_mode == NORMAL) {
dreschpe 0:4bbc531be6e2 189 if(color == 0)
dreschpe 0:4bbc531be6e2 190 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
dreschpe 0:4bbc531be6e2 191 else
dreschpe 0:4bbc531be6e2 192 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
dreschpe 0:4bbc531be6e2 193 } else { // XOR mode
dreschpe 0:4bbc531be6e2 194 if(color == 1)
dreschpe 0:4bbc531be6e2 195 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
dreschpe 0:4bbc531be6e2 196 }
dreschpe 0:4bbc531be6e2 197 }
dreschpe 0:4bbc531be6e2 198
dreschpe 0:4bbc531be6e2 199 // update lcd
dreschpe 0:4bbc531be6e2 200
dreschpe 0:4bbc531be6e2 201 void C12832_LCD::copy_to_lcd(void)
dreschpe 0:4bbc531be6e2 202 {
dreschpe 7:0f5a3b0f3cab 203 #ifndef TARGET_LPC1768
dreschpe 2:bdc53502af17 204 int i;
dreschpe 2:bdc53502af17 205 #endif
dreschpe 0:4bbc531be6e2 206 //page 0
dreschpe 0:4bbc531be6e2 207 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 208 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 209 wr_cmd(0xB0); // set page address 0
dreschpe 2:bdc53502af17 210 _A0 = 1;
dreschpe 7:0f5a3b0f3cab 211 #if defined TARGET_LPC1768
dreschpe 0:4bbc531be6e2 212 _CS = 0;
dreschpe 0:4bbc531be6e2 213 // start 128 byte DMA transfer to SPI1
dreschpe 0:4bbc531be6e2 214 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
dreschpe 0:4bbc531be6e2 215 LPC_SSP1->DMACR = 0x2; // Enable SSP1 for DMA.
dreschpe 0:4bbc531be6e2 216 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:4bbc531be6e2 217 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:4bbc531be6e2 218 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer);
dreschpe 0:4bbc531be6e2 219 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
dreschpe 0:4bbc531be6e2 220 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
dreschpe 0:4bbc531be6e2 221 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:4bbc531be6e2 222 do {
dreschpe 0:4bbc531be6e2 223 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:4bbc531be6e2 224 do {
dreschpe 0:4bbc531be6e2 225 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
dreschpe 0:4bbc531be6e2 226 _CS = 1;
dreschpe 2:bdc53502af17 227 #else // no DMA
dreschpe 7:0f5a3b0f3cab 228 for(i=0; i<128; i++) {
dreschpe 2:bdc53502af17 229 wr_dat(buffer[i]);
dreschpe 7:0f5a3b0f3cab 230 }
dreschpe 7:0f5a3b0f3cab 231 #endif
dreschpe 0:4bbc531be6e2 232
dreschpe 0:4bbc531be6e2 233 // page 1
dreschpe 0:4bbc531be6e2 234 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 235 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 236 wr_cmd(0xB1); // set page address 1
dreschpe 2:bdc53502af17 237 _A0 = 1;
dreschpe 7:0f5a3b0f3cab 238 #if defined TARGET_LPC1768
dreschpe 0:4bbc531be6e2 239 _CS = 0;
dreschpe 0:4bbc531be6e2 240 // start 128 byte DMA transfer to SPI1
dreschpe 0:4bbc531be6e2 241 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:4bbc531be6e2 242 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:4bbc531be6e2 243 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 128);
dreschpe 0:4bbc531be6e2 244 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
dreschpe 0:4bbc531be6e2 245 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
dreschpe 0:4bbc531be6e2 246 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:4bbc531be6e2 247 do {
dreschpe 0:4bbc531be6e2 248 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:4bbc531be6e2 249 do {
dreschpe 0:4bbc531be6e2 250 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
dreschpe 0:4bbc531be6e2 251 _CS = 1;
dreschpe 2:bdc53502af17 252 #else // no DMA
dreschpe 7:0f5a3b0f3cab 253 for(i=128; i<256; i++) {
dreschpe 2:bdc53502af17 254 wr_dat(buffer[i]);
dreschpe 7:0f5a3b0f3cab 255 }
dreschpe 7:0f5a3b0f3cab 256 #endif
dreschpe 0:4bbc531be6e2 257
dreschpe 0:4bbc531be6e2 258 //page 2
dreschpe 0:4bbc531be6e2 259 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 260 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 261 wr_cmd(0xB2); // set page address 2
dreschpe 2:bdc53502af17 262 _A0 = 1;
dreschpe 7:0f5a3b0f3cab 263 #if defined TARGET_LPC1768
dreschpe 0:4bbc531be6e2 264 _CS = 0;
dreschpe 0:4bbc531be6e2 265 // start 128 byte DMA transfer to SPI1
dreschpe 0:4bbc531be6e2 266 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:4bbc531be6e2 267 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:4bbc531be6e2 268 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 256);
dreschpe 0:4bbc531be6e2 269 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
dreschpe 0:4bbc531be6e2 270 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX ;
dreschpe 0:4bbc531be6e2 271 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:4bbc531be6e2 272 do {
dreschpe 0:4bbc531be6e2 273 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:4bbc531be6e2 274 do {
dreschpe 0:4bbc531be6e2 275 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
dreschpe 0:4bbc531be6e2 276 _CS = 1;
dreschpe 2:bdc53502af17 277 #else // no DMA
dreschpe 7:0f5a3b0f3cab 278 for(i=256; i<384; i++) {
dreschpe 2:bdc53502af17 279 wr_dat(buffer[i]);
dreschpe 7:0f5a3b0f3cab 280 }
dreschpe 7:0f5a3b0f3cab 281 #endif
dreschpe 2:bdc53502af17 282
dreschpe 0:4bbc531be6e2 283 //page 3
dreschpe 0:4bbc531be6e2 284 wr_cmd(0x00); // set column low nibble 0
dreschpe 0:4bbc531be6e2 285 wr_cmd(0x10); // set column hi nibble 0
dreschpe 0:4bbc531be6e2 286 wr_cmd(0xB3); // set page address 3
dreschpe 0:4bbc531be6e2 287 _A0 = 1;
dreschpe 7:0f5a3b0f3cab 288
dreschpe 7:0f5a3b0f3cab 289 _CS = 0;
dreschpe 7:0f5a3b0f3cab 290 #if defined TARGET_LPC1768
dreschpe 0:4bbc531be6e2 291 // start 128 byte DMA transfer to SPI1
dreschpe 0:4bbc531be6e2 292 LPC_GPDMA->DMACIntTCClear = 0x1;
dreschpe 0:4bbc531be6e2 293 LPC_GPDMA->DMACIntErrClr = 0x1;
dreschpe 0:4bbc531be6e2 294 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 384);
dreschpe 0:4bbc531be6e2 295 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
dreschpe 0:4bbc531be6e2 296 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
dreschpe 0:4bbc531be6e2 297 LPC_GPDMA->DMACSoftSReq = 0x1;
dreschpe 0:4bbc531be6e2 298 do {
dreschpe 0:4bbc531be6e2 299 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
dreschpe 0:4bbc531be6e2 300 do {
dreschpe 0:4bbc531be6e2 301 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
dreschpe 0:4bbc531be6e2 302 _CS = 1;
dreschpe 2:bdc53502af17 303 #else // no DMA
dreschpe 7:0f5a3b0f3cab 304 for(i=384; i<512; i++) {
dreschpe 2:bdc53502af17 305 wr_dat(buffer[i]);
dreschpe 7:0f5a3b0f3cab 306 }
dreschpe 7:0f5a3b0f3cab 307 #endif
dreschpe 0:4bbc531be6e2 308 }
dreschpe 0:4bbc531be6e2 309
dreschpe 0:4bbc531be6e2 310 void C12832_LCD::cls(void)
dreschpe 0:4bbc531be6e2 311 {
dreschpe 0:4bbc531be6e2 312 memset(buffer,0x00,512); // clear display buffer
dreschpe 0:4bbc531be6e2 313 copy_to_lcd();
dreschpe 0:4bbc531be6e2 314 }
dreschpe 0:4bbc531be6e2 315
dreschpe 0:4bbc531be6e2 316
dreschpe 0:4bbc531be6e2 317 void C12832_LCD::line(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 318 {
dreschpe 0:4bbc531be6e2 319 int dx = 0, dy = 0;
dreschpe 0:4bbc531be6e2 320 int dx_sym = 0, dy_sym = 0;
dreschpe 0:4bbc531be6e2 321 int dx_x2 = 0, dy_x2 = 0;
dreschpe 0:4bbc531be6e2 322 int di = 0;
dreschpe 0:4bbc531be6e2 323
dreschpe 0:4bbc531be6e2 324 dx = x1-x0;
dreschpe 0:4bbc531be6e2 325 dy = y1-y0;
dreschpe 0:4bbc531be6e2 326
dreschpe 0:4bbc531be6e2 327 // if (dx == 0) { /* vertical line */
dreschpe 0:4bbc531be6e2 328 // if (y1 > y0) vline(x0,y0,y1,color);
dreschpe 0:4bbc531be6e2 329 // else vline(x0,y1,y0,color);
dreschpe 0:4bbc531be6e2 330 // return;
dreschpe 0:4bbc531be6e2 331 // }
dreschpe 0:4bbc531be6e2 332
dreschpe 0:4bbc531be6e2 333 if (dx > 0) {
dreschpe 0:4bbc531be6e2 334 dx_sym = 1;
dreschpe 0:4bbc531be6e2 335 } else {
dreschpe 0:4bbc531be6e2 336 dx_sym = -1;
dreschpe 0:4bbc531be6e2 337 }
dreschpe 0:4bbc531be6e2 338 // if (dy == 0) { /* horizontal line */
dreschpe 0:4bbc531be6e2 339 // if (x1 > x0) hline(x0,x1,y0,color);
dreschpe 0:4bbc531be6e2 340 // else hline(x1,x0,y0,color);
dreschpe 0:4bbc531be6e2 341 // return;
dreschpe 0:4bbc531be6e2 342 // }
dreschpe 0:4bbc531be6e2 343
dreschpe 0:4bbc531be6e2 344 if (dy > 0) {
dreschpe 0:4bbc531be6e2 345 dy_sym = 1;
dreschpe 0:4bbc531be6e2 346 } else {
dreschpe 0:4bbc531be6e2 347 dy_sym = -1;
dreschpe 0:4bbc531be6e2 348 }
dreschpe 0:4bbc531be6e2 349
dreschpe 0:4bbc531be6e2 350 dx = dx_sym*dx;
dreschpe 0:4bbc531be6e2 351 dy = dy_sym*dy;
dreschpe 0:4bbc531be6e2 352
dreschpe 0:4bbc531be6e2 353 dx_x2 = dx*2;
dreschpe 0:4bbc531be6e2 354 dy_x2 = dy*2;
dreschpe 0:4bbc531be6e2 355
dreschpe 0:4bbc531be6e2 356 if (dx >= dy) {
dreschpe 0:4bbc531be6e2 357 di = dy_x2 - dx;
dreschpe 0:4bbc531be6e2 358 while (x0 != x1) {
dreschpe 0:4bbc531be6e2 359
dreschpe 0:4bbc531be6e2 360 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 361 x0 += dx_sym;
dreschpe 0:4bbc531be6e2 362 if (di<0) {
dreschpe 0:4bbc531be6e2 363 di += dy_x2;
dreschpe 0:4bbc531be6e2 364 } else {
dreschpe 0:4bbc531be6e2 365 di += dy_x2 - dx_x2;
dreschpe 0:4bbc531be6e2 366 y0 += dy_sym;
dreschpe 0:4bbc531be6e2 367 }
dreschpe 0:4bbc531be6e2 368 }
dreschpe 0:4bbc531be6e2 369 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 370 } else {
dreschpe 0:4bbc531be6e2 371 di = dx_x2 - dy;
dreschpe 0:4bbc531be6e2 372 while (y0 != y1) {
dreschpe 0:4bbc531be6e2 373 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 374 y0 += dy_sym;
dreschpe 0:4bbc531be6e2 375 if (di < 0) {
dreschpe 0:4bbc531be6e2 376 di += dx_x2;
dreschpe 0:4bbc531be6e2 377 } else {
dreschpe 0:4bbc531be6e2 378 di += dx_x2 - dy_x2;
dreschpe 0:4bbc531be6e2 379 x0 += dx_sym;
dreschpe 0:4bbc531be6e2 380 }
dreschpe 0:4bbc531be6e2 381 }
dreschpe 0:4bbc531be6e2 382 pixel(x0, y0, color);
dreschpe 0:4bbc531be6e2 383 }
dreschpe 3:468cdccff7af 384 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 385 }
dreschpe 0:4bbc531be6e2 386
dreschpe 0:4bbc531be6e2 387 void C12832_LCD::rect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 388 {
dreschpe 0:4bbc531be6e2 389
dreschpe 0:4bbc531be6e2 390 if (x1 > x0) line(x0,y0,x1,y0,color);
dreschpe 0:4bbc531be6e2 391 else line(x1,y0,x0,y0,color);
dreschpe 0:4bbc531be6e2 392
dreschpe 0:4bbc531be6e2 393 if (y1 > y0) line(x0,y0,x0,y1,color);
dreschpe 0:4bbc531be6e2 394 else line(x0,y1,x0,y0,color);
dreschpe 0:4bbc531be6e2 395
dreschpe 0:4bbc531be6e2 396 if (x1 > x0) line(x0,y1,x1,y1,color);
dreschpe 0:4bbc531be6e2 397 else line(x1,y1,x0,y1,color);
dreschpe 0:4bbc531be6e2 398
dreschpe 0:4bbc531be6e2 399 if (y1 > y0) line(x1,y0,x1,y1,color);
dreschpe 0:4bbc531be6e2 400 else line(x1,y1,x1,y0,color);
dreschpe 0:4bbc531be6e2 401
dreschpe 3:468cdccff7af 402 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 403 }
dreschpe 0:4bbc531be6e2 404
dreschpe 0:4bbc531be6e2 405 void C12832_LCD::fillrect(int x0, int y0, int x1, int y1, int color)
dreschpe 0:4bbc531be6e2 406 {
dreschpe 0:4bbc531be6e2 407 int l,c,i;
dreschpe 0:4bbc531be6e2 408 if(x0 > x1) {
dreschpe 0:4bbc531be6e2 409 i = x0;
dreschpe 0:4bbc531be6e2 410 x0 = x1;
dreschpe 0:4bbc531be6e2 411 x1 = i;
dreschpe 0:4bbc531be6e2 412 }
dreschpe 0:4bbc531be6e2 413
dreschpe 0:4bbc531be6e2 414 if(y0 > y1) {
dreschpe 0:4bbc531be6e2 415 i = y0;
dreschpe 0:4bbc531be6e2 416 y0 = y1;
dreschpe 0:4bbc531be6e2 417 y1 = i;
dreschpe 0:4bbc531be6e2 418 }
dreschpe 0:4bbc531be6e2 419
dreschpe 0:4bbc531be6e2 420 for(l = x0; l<= x1; l ++) {
dreschpe 0:4bbc531be6e2 421 for(c = y0; c<= y1; c++) {
dreschpe 0:4bbc531be6e2 422 pixel(l,c,color);
dreschpe 0:4bbc531be6e2 423 }
dreschpe 0:4bbc531be6e2 424 }
dreschpe 3:468cdccff7af 425 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 426 }
dreschpe 0:4bbc531be6e2 427
dreschpe 0:4bbc531be6e2 428
dreschpe 0:4bbc531be6e2 429
dreschpe 0:4bbc531be6e2 430 void C12832_LCD::circle(int x0, int y0, int r, int color)
dreschpe 0:4bbc531be6e2 431 {
dreschpe 0:4bbc531be6e2 432
dreschpe 0:4bbc531be6e2 433 int draw_x0, draw_y0;
dreschpe 0:4bbc531be6e2 434 int draw_x1, draw_y1;
dreschpe 0:4bbc531be6e2 435 int draw_x2, draw_y2;
dreschpe 0:4bbc531be6e2 436 int draw_x3, draw_y3;
dreschpe 0:4bbc531be6e2 437 int draw_x4, draw_y4;
dreschpe 0:4bbc531be6e2 438 int draw_x5, draw_y5;
dreschpe 0:4bbc531be6e2 439 int draw_x6, draw_y6;
dreschpe 0:4bbc531be6e2 440 int draw_x7, draw_y7;
dreschpe 0:4bbc531be6e2 441 int xx, yy;
dreschpe 0:4bbc531be6e2 442 int di;
dreschpe 0:4bbc531be6e2 443 //WindowMax();
dreschpe 0:4bbc531be6e2 444 if (r == 0) { /* no radius */
dreschpe 0:4bbc531be6e2 445 return;
dreschpe 0:4bbc531be6e2 446 }
dreschpe 0:4bbc531be6e2 447
dreschpe 0:4bbc531be6e2 448 draw_x0 = draw_x1 = x0;
dreschpe 0:4bbc531be6e2 449 draw_y0 = draw_y1 = y0 + r;
dreschpe 0:4bbc531be6e2 450 if (draw_y0 < height()) {
dreschpe 0:4bbc531be6e2 451 pixel(draw_x0, draw_y0, color); /* 90 degree */
dreschpe 0:4bbc531be6e2 452 }
dreschpe 0:4bbc531be6e2 453
dreschpe 0:4bbc531be6e2 454 draw_x2 = draw_x3 = x0;
dreschpe 0:4bbc531be6e2 455 draw_y2 = draw_y3 = y0 - r;
dreschpe 0:4bbc531be6e2 456 if (draw_y2 >= 0) {
dreschpe 0:4bbc531be6e2 457 pixel(draw_x2, draw_y2, color); /* 270 degree */
dreschpe 0:4bbc531be6e2 458 }
dreschpe 0:4bbc531be6e2 459
dreschpe 0:4bbc531be6e2 460 draw_x4 = draw_x6 = x0 + r;
dreschpe 0:4bbc531be6e2 461 draw_y4 = draw_y6 = y0;
dreschpe 0:4bbc531be6e2 462 if (draw_x4 < width()) {
dreschpe 0:4bbc531be6e2 463 pixel(draw_x4, draw_y4, color); /* 0 degree */
dreschpe 0:4bbc531be6e2 464 }
dreschpe 0:4bbc531be6e2 465
dreschpe 0:4bbc531be6e2 466 draw_x5 = draw_x7 = x0 - r;
dreschpe 0:4bbc531be6e2 467 draw_y5 = draw_y7 = y0;
dreschpe 0:4bbc531be6e2 468 if (draw_x5>=0) {
dreschpe 0:4bbc531be6e2 469 pixel(draw_x5, draw_y5, color); /* 180 degree */
dreschpe 0:4bbc531be6e2 470 }
dreschpe 0:4bbc531be6e2 471
dreschpe 0:4bbc531be6e2 472 if (r == 1) {
dreschpe 0:4bbc531be6e2 473 return;
dreschpe 0:4bbc531be6e2 474 }
dreschpe 0:4bbc531be6e2 475
dreschpe 0:4bbc531be6e2 476 di = 3 - 2*r;
dreschpe 0:4bbc531be6e2 477 xx = 0;
dreschpe 0:4bbc531be6e2 478 yy = r;
dreschpe 0:4bbc531be6e2 479 while (xx < yy) {
dreschpe 0:4bbc531be6e2 480
dreschpe 0:4bbc531be6e2 481 if (di < 0) {
dreschpe 0:4bbc531be6e2 482 di += 4*xx + 6;
dreschpe 0:4bbc531be6e2 483 } else {
dreschpe 0:4bbc531be6e2 484 di += 4*(xx - yy) + 10;
dreschpe 0:4bbc531be6e2 485 yy--;
dreschpe 0:4bbc531be6e2 486 draw_y0--;
dreschpe 0:4bbc531be6e2 487 draw_y1--;
dreschpe 0:4bbc531be6e2 488 draw_y2++;
dreschpe 0:4bbc531be6e2 489 draw_y3++;
dreschpe 0:4bbc531be6e2 490 draw_x4--;
dreschpe 0:4bbc531be6e2 491 draw_x5++;
dreschpe 0:4bbc531be6e2 492 draw_x6--;
dreschpe 0:4bbc531be6e2 493 draw_x7++;
dreschpe 0:4bbc531be6e2 494 }
dreschpe 0:4bbc531be6e2 495 xx++;
dreschpe 0:4bbc531be6e2 496 draw_x0++;
dreschpe 0:4bbc531be6e2 497 draw_x1--;
dreschpe 0:4bbc531be6e2 498 draw_x2++;
dreschpe 0:4bbc531be6e2 499 draw_x3--;
dreschpe 0:4bbc531be6e2 500 draw_y4++;
dreschpe 0:4bbc531be6e2 501 draw_y5++;
dreschpe 0:4bbc531be6e2 502 draw_y6--;
dreschpe 0:4bbc531be6e2 503 draw_y7--;
dreschpe 0:4bbc531be6e2 504
dreschpe 0:4bbc531be6e2 505 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
dreschpe 0:4bbc531be6e2 506 pixel(draw_x0, draw_y0, color);
dreschpe 0:4bbc531be6e2 507 }
dreschpe 0:4bbc531be6e2 508
dreschpe 0:4bbc531be6e2 509 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
dreschpe 0:4bbc531be6e2 510 pixel(draw_x1, draw_y1, color);
dreschpe 0:4bbc531be6e2 511 }
dreschpe 0:4bbc531be6e2 512
dreschpe 0:4bbc531be6e2 513 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
dreschpe 0:4bbc531be6e2 514 pixel(draw_x2, draw_y2, color);
dreschpe 0:4bbc531be6e2 515 }
dreschpe 0:4bbc531be6e2 516
dreschpe 0:4bbc531be6e2 517 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
dreschpe 0:4bbc531be6e2 518 pixel(draw_x3, draw_y3, color);
dreschpe 0:4bbc531be6e2 519 }
dreschpe 0:4bbc531be6e2 520
dreschpe 0:4bbc531be6e2 521 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
dreschpe 0:4bbc531be6e2 522 pixel(draw_x4, draw_y4, color);
dreschpe 0:4bbc531be6e2 523 }
dreschpe 0:4bbc531be6e2 524
dreschpe 0:4bbc531be6e2 525 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
dreschpe 0:4bbc531be6e2 526 pixel(draw_x5, draw_y5, color);
dreschpe 0:4bbc531be6e2 527 }
dreschpe 0:4bbc531be6e2 528 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
dreschpe 0:4bbc531be6e2 529 pixel(draw_x6, draw_y6, color);
dreschpe 0:4bbc531be6e2 530 }
dreschpe 0:4bbc531be6e2 531 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
dreschpe 0:4bbc531be6e2 532 pixel(draw_x7, draw_y7, color);
dreschpe 0:4bbc531be6e2 533 }
dreschpe 0:4bbc531be6e2 534 }
dreschpe 3:468cdccff7af 535 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 536 }
dreschpe 0:4bbc531be6e2 537
dreschpe 0:4bbc531be6e2 538 void C12832_LCD::fillcircle(int x, int y, int r, int color)
dreschpe 0:4bbc531be6e2 539 {
dreschpe 3:468cdccff7af 540 int i,up;
dreschpe 3:468cdccff7af 541 up = auto_up;
dreschpe 3:468cdccff7af 542 auto_up = 0; // off
dreschpe 0:4bbc531be6e2 543 for (i = 0; i <= r; i++)
dreschpe 0:4bbc531be6e2 544 circle(x,y,i,color);
dreschpe 3:468cdccff7af 545 auto_up = up;
dreschpe 7:0f5a3b0f3cab 546 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 547 }
dreschpe 0:4bbc531be6e2 548
dreschpe 0:4bbc531be6e2 549 void C12832_LCD::setmode(int mode)
dreschpe 0:4bbc531be6e2 550 {
dreschpe 0:4bbc531be6e2 551 draw_mode = mode;
dreschpe 0:4bbc531be6e2 552 }
dreschpe 0:4bbc531be6e2 553
dreschpe 0:4bbc531be6e2 554 void C12832_LCD::locate(int x, int y)
dreschpe 0:4bbc531be6e2 555 {
dreschpe 0:4bbc531be6e2 556 char_x = x;
dreschpe 0:4bbc531be6e2 557 char_y = y;
dreschpe 0:4bbc531be6e2 558 }
dreschpe 0:4bbc531be6e2 559
dreschpe 0:4bbc531be6e2 560
dreschpe 0:4bbc531be6e2 561
dreschpe 0:4bbc531be6e2 562 int C12832_LCD::columns()
dreschpe 0:4bbc531be6e2 563 {
dreschpe 0:4bbc531be6e2 564 return width() / font[1];
dreschpe 0:4bbc531be6e2 565 }
dreschpe 0:4bbc531be6e2 566
dreschpe 0:4bbc531be6e2 567
dreschpe 0:4bbc531be6e2 568
dreschpe 0:4bbc531be6e2 569 int C12832_LCD::rows()
dreschpe 0:4bbc531be6e2 570 {
dreschpe 0:4bbc531be6e2 571 return height() / font[2];
dreschpe 0:4bbc531be6e2 572 }
dreschpe 0:4bbc531be6e2 573
dreschpe 0:4bbc531be6e2 574
dreschpe 0:4bbc531be6e2 575
dreschpe 0:4bbc531be6e2 576 int C12832_LCD::_putc(int value)
dreschpe 0:4bbc531be6e2 577 {
dreschpe 0:4bbc531be6e2 578 if (value == '\n') { // new line
dreschpe 0:4bbc531be6e2 579 char_x = 0;
dreschpe 0:4bbc531be6e2 580 char_y = char_y + font[2];
dreschpe 0:4bbc531be6e2 581 if (char_y >= height() - font[2]) {
dreschpe 0:4bbc531be6e2 582 char_y = 0;
dreschpe 0:4bbc531be6e2 583 }
dreschpe 0:4bbc531be6e2 584 } else {
dreschpe 0:4bbc531be6e2 585 character(char_x, char_y, value);
dreschpe 3:468cdccff7af 586 if(auto_up) copy_to_lcd();
dreschpe 0:4bbc531be6e2 587 }
dreschpe 0:4bbc531be6e2 588 return value;
dreschpe 0:4bbc531be6e2 589 }
dreschpe 0:4bbc531be6e2 590
dreschpe 0:4bbc531be6e2 591 void C12832_LCD::character(int x, int y, int c)
dreschpe 0:4bbc531be6e2 592 {
dreschpe 0:4bbc531be6e2 593 unsigned int hor,vert,offset,bpl,j,i,b;
dreschpe 0:4bbc531be6e2 594 unsigned char* zeichen;
dreschpe 0:4bbc531be6e2 595 unsigned char z,w;
dreschpe 0:4bbc531be6e2 596
dreschpe 0:4bbc531be6e2 597 if ((c < 31) || (c > 127)) return; // test char range
dreschpe 0:4bbc531be6e2 598
dreschpe 0:4bbc531be6e2 599 // read font parameter from start of array
dreschpe 0:4bbc531be6e2 600 offset = font[0]; // bytes / char
dreschpe 0:4bbc531be6e2 601 hor = font[1]; // get hor size of font
dreschpe 0:4bbc531be6e2 602 vert = font[2]; // get vert size of font
dreschpe 0:4bbc531be6e2 603 bpl = font[3]; // bytes per line
dreschpe 0:4bbc531be6e2 604
dreschpe 0:4bbc531be6e2 605 if (char_x + hor > width()) {
dreschpe 0:4bbc531be6e2 606 char_x = 0;
dreschpe 0:4bbc531be6e2 607 char_y = char_y + vert;
dreschpe 0:4bbc531be6e2 608 if (char_y >= height() - font[2]) {
dreschpe 0:4bbc531be6e2 609 char_y = 0;
dreschpe 0:4bbc531be6e2 610 }
dreschpe 0:4bbc531be6e2 611 }
dreschpe 0:4bbc531be6e2 612
dreschpe 0:4bbc531be6e2 613 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
dreschpe 0:4bbc531be6e2 614 w = zeichen[0]; // width of actual char
dreschpe 0:4bbc531be6e2 615 // construct the char into the buffer
dreschpe 0:4bbc531be6e2 616 for (j=0; j<vert; j++) { // vert line
dreschpe 0:4bbc531be6e2 617 for (i=0; i<hor; i++) { // horz line
dreschpe 0:4bbc531be6e2 618 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
dreschpe 0:4bbc531be6e2 619 b = 1 << (j & 0x07);
dreschpe 0:4bbc531be6e2 620 if (( z & b ) == 0x00) {
dreschpe 0:4bbc531be6e2 621 pixel(x+i,y+j,0);
dreschpe 0:4bbc531be6e2 622 } else {
dreschpe 0:4bbc531be6e2 623 pixel(x+i,y+j,1);
dreschpe 0:4bbc531be6e2 624 }
dreschpe 0:4bbc531be6e2 625
dreschpe 0:4bbc531be6e2 626 }
dreschpe 0:4bbc531be6e2 627 }
dreschpe 0:4bbc531be6e2 628
dreschpe 0:4bbc531be6e2 629 char_x += w;
dreschpe 0:4bbc531be6e2 630 }
dreschpe 0:4bbc531be6e2 631
dreschpe 0:4bbc531be6e2 632
dreschpe 0:4bbc531be6e2 633 void C12832_LCD::set_font(unsigned char* f)
dreschpe 0:4bbc531be6e2 634 {
dreschpe 0:4bbc531be6e2 635 font = f;
dreschpe 0:4bbc531be6e2 636 }
dreschpe 0:4bbc531be6e2 637
dreschpe 3:468cdccff7af 638 void C12832_LCD::set_auto_up(unsigned int up)
dreschpe 3:468cdccff7af 639 {
dreschpe 3:468cdccff7af 640 if(up ) auto_up = 1;
dreschpe 8:c9afe58d786a 641 else auto_up = 0;
dreschpe 3:468cdccff7af 642 }
dreschpe 3:468cdccff7af 643
dreschpe 7:0f5a3b0f3cab 644 unsigned int C12832_LCD::get_auto_up(void)
dreschpe 7:0f5a3b0f3cab 645 {
dreschpe 3:468cdccff7af 646 return (auto_up);
dreschpe 3:468cdccff7af 647 }
dreschpe 0:4bbc531be6e2 648
dreschpe 7:0f5a3b0f3cab 649 void C12832_LCD::print_bm(Bitmap bm, int x, int y)
dreschpe 7:0f5a3b0f3cab 650 {
dreschpe 7:0f5a3b0f3cab 651 int h,v,b;
dreschpe 7:0f5a3b0f3cab 652 char d;
dreschpe 0:4bbc531be6e2 653
dreschpe 7:0f5a3b0f3cab 654 for(v=0; v < bm.ySize; v++) { // lines
dreschpe 7:0f5a3b0f3cab 655 for(h=0; h < bm.xSize; h++) { // pixel
dreschpe 7:0f5a3b0f3cab 656 if(h + x > 127) break;
dreschpe 7:0f5a3b0f3cab 657 if(v + y > 31) break;
dreschpe 7:0f5a3b0f3cab 658 d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)];
dreschpe 7:0f5a3b0f3cab 659 b = 0x80 >> (h & 0x07);
dreschpe 7:0f5a3b0f3cab 660 if((d & b) == 0) {
dreschpe 7:0f5a3b0f3cab 661 pixel(x+h,y+v,0);
dreschpe 7:0f5a3b0f3cab 662 } else {
dreschpe 7:0f5a3b0f3cab 663 pixel(x+h,y+v,1);
dreschpe 7:0f5a3b0f3cab 664 }
dreschpe 7:0f5a3b0f3cab 665 }
dreschpe 7:0f5a3b0f3cab 666 }
dreschpe 7:0f5a3b0f3cab 667
dreschpe 7:0f5a3b0f3cab 668 }
dreschpe 7:0f5a3b0f3cab 669
dreschpe 7:0f5a3b0f3cab 670