Toyomasa Watarai / C12832_lcd

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Dependents:   app-board-demo

Fork of C12832_lcd by Peter Drescher

C12832_lcd.cpp@3:468cdccff7af, 2012-10-25 (annotated)

Committer:
dreschpe
Date:
Thu Oct 25 17:34:34 2012 +0000
Revision:
3:468cdccff7af
Parent:
2:bdc53502af17
Child:
7:0f5a3b0f3cab
Child:
9:55d53324e7fa
Add auto update of the framebuffer; Include standart font into lib

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