the new engineer´s / PWM_LED

LED

Dependents:   LED_PWM_ansteuerung

C12832_lcd.cpp@0:cbf905d4103b, 2016-05-03 (annotated)

Committer:
schoeni_91
Date:
Tue May 03 15:53:37 2016 +0000
Revision:
0:cbf905d4103b
f?r Rudi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
schoeni_91 0:cbf905d4103b 1 /* mbed library for the mbed Lab Board 128*32 pixel LCD
schoeni_91 0:cbf905d4103b 2 * use C12832 controller
schoeni_91 0:cbf905d4103b 3 * Copyright (c) 2012 Peter Drescher - DC2PD
schoeni_91 0:cbf905d4103b 4 * Released under the MIT License: http://mbed.org/license/mit
schoeni_91 0:cbf905d4103b 5 *
schoeni_91 0:cbf905d4103b 6 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
schoeni_91 0:cbf905d4103b 7 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
schoeni_91 0:cbf905d4103b 8 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
schoeni_91 0:cbf905d4103b 9 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
schoeni_91 0:cbf905d4103b 10 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
schoeni_91 0:cbf905d4103b 11 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
schoeni_91 0:cbf905d4103b 12 * THE SOFTWARE.
schoeni_91 0:cbf905d4103b 13 */
schoeni_91 0:cbf905d4103b 14
schoeni_91 0:cbf905d4103b 15 // 13.10.12 initial design
schoeni_91 0:cbf905d4103b 16 // 25.10.12 add autorefresh of screen
schoeni_91 0:cbf905d4103b 17 // 25.10.12 add standart font
schoeni_91 0:cbf905d4103b 18
schoeni_91 0:cbf905d4103b 19 // optional defines :
schoeni_91 0:cbf905d4103b 20 // #define debug_lcd 1
schoeni_91 0:cbf905d4103b 21
schoeni_91 0:cbf905d4103b 22 #include "C12832_lcd.h"
schoeni_91 0:cbf905d4103b 23 #include "mbed.h"
schoeni_91 0:cbf905d4103b 24 #include "stdio.h"
schoeni_91 0:cbf905d4103b 25 #include "Small_7.h"
schoeni_91 0:cbf905d4103b 26
schoeni_91 0:cbf905d4103b 27 #define BPP 1 // Bits per pixel
schoeni_91 0:cbf905d4103b 28
schoeni_91 0:cbf905d4103b 29 C12832_LCD::C12832_LCD(const char* name)
schoeni_91 0:cbf905d4103b 30 : _spi(p5,NC,p7),_reset(p6),_A0(p8),_CS(p11),GraphicsDisplay(name)
schoeni_91 0:cbf905d4103b 31 {
schoeni_91 0:cbf905d4103b 32 orientation = 1;
schoeni_91 0:cbf905d4103b 33 draw_mode = NORMAL;
schoeni_91 0:cbf905d4103b 34 char_x = 0;
schoeni_91 0:cbf905d4103b 35 lcd_reset();
schoeni_91 0:cbf905d4103b 36 }
schoeni_91 0:cbf905d4103b 37
schoeni_91 0:cbf905d4103b 38 int C12832_LCD::width()
schoeni_91 0:cbf905d4103b 39 {
schoeni_91 0:cbf905d4103b 40 if (orientation == 0 || orientation == 2) return 32;
schoeni_91 0:cbf905d4103b 41 else return 128;
schoeni_91 0:cbf905d4103b 42 }
schoeni_91 0:cbf905d4103b 43
schoeni_91 0:cbf905d4103b 44 int C12832_LCD::height()
schoeni_91 0:cbf905d4103b 45 {
schoeni_91 0:cbf905d4103b 46 if (orientation == 0 || orientation == 2) return 128;
schoeni_91 0:cbf905d4103b 47 else return 32;
schoeni_91 0:cbf905d4103b 48 }
schoeni_91 0:cbf905d4103b 49
schoeni_91 0:cbf905d4103b 50
schoeni_91 0:cbf905d4103b 51 /*void C12832_LCD::set_orientation(unsigned int o)
schoeni_91 0:cbf905d4103b 52 {
schoeni_91 0:cbf905d4103b 53 orientation = o;
schoeni_91 0:cbf905d4103b 54 switch (o) {
schoeni_91 0:cbf905d4103b 55 case (0):
schoeni_91 0:cbf905d4103b 56 wr_cmd(0xA0);
schoeni_91 0:cbf905d4103b 57 wr_cmd(0xC0);
schoeni_91 0:cbf905d4103b 58 break;
schoeni_91 0:cbf905d4103b 59 case (1):
schoeni_91 0:cbf905d4103b 60 wr_cmd(0xA0);
schoeni_91 0:cbf905d4103b 61 wr_cmd(0xC8);
schoeni_91 0:cbf905d4103b 62 break;
schoeni_91 0:cbf905d4103b 63 case (2):
schoeni_91 0:cbf905d4103b 64 wr_cmd(0xA1);
schoeni_91 0:cbf905d4103b 65 wr_cmd(0xC8);
schoeni_91 0:cbf905d4103b 66 break;
schoeni_91 0:cbf905d4103b 67 case (3):
schoeni_91 0:cbf905d4103b 68 wr_cmd(0xA1);
schoeni_91 0:cbf905d4103b 69 wr_cmd(0xC0);
schoeni_91 0:cbf905d4103b 70 break;
schoeni_91 0:cbf905d4103b 71 }
schoeni_91 0:cbf905d4103b 72 }
schoeni_91 0:cbf905d4103b 73
schoeni_91 0:cbf905d4103b 74 */
schoeni_91 0:cbf905d4103b 75
schoeni_91 0:cbf905d4103b 76 void C12832_LCD::invert(unsigned int o)
schoeni_91 0:cbf905d4103b 77 {
schoeni_91 0:cbf905d4103b 78 if(o == 0) wr_cmd(0xA6);
schoeni_91 0:cbf905d4103b 79 else wr_cmd(0xA7);
schoeni_91 0:cbf905d4103b 80 }
schoeni_91 0:cbf905d4103b 81
schoeni_91 0:cbf905d4103b 82
schoeni_91 0:cbf905d4103b 83 void C12832_LCD::set_contrast(unsigned int o)
schoeni_91 0:cbf905d4103b 84 {
schoeni_91 0:cbf905d4103b 85 contrast = o;
schoeni_91 0:cbf905d4103b 86 wr_cmd(0x81); // set volume
schoeni_91 0:cbf905d4103b 87 wr_cmd(o & 0x3F);
schoeni_91 0:cbf905d4103b 88 }
schoeni_91 0:cbf905d4103b 89
schoeni_91 0:cbf905d4103b 90 unsigned int C12832_LCD::get_contrast(void)
schoeni_91 0:cbf905d4103b 91 {
schoeni_91 0:cbf905d4103b 92 return(contrast);
schoeni_91 0:cbf905d4103b 93 }
schoeni_91 0:cbf905d4103b 94
schoeni_91 0:cbf905d4103b 95
schoeni_91 0:cbf905d4103b 96 // write command to lcd controller
schoeni_91 0:cbf905d4103b 97
schoeni_91 0:cbf905d4103b 98 void C12832_LCD::wr_cmd(unsigned char cmd)
schoeni_91 0:cbf905d4103b 99 {
schoeni_91 0:cbf905d4103b 100 _A0 = 0;
schoeni_91 0:cbf905d4103b 101 _CS = 0;
schoeni_91 0:cbf905d4103b 102 #if defined TARGET_LPC1768 // fast without mbed lib
schoeni_91 0:cbf905d4103b 103 LPC_SSP1->DR = cmd;
schoeni_91 0:cbf905d4103b 104 do {
schoeni_91 0:cbf905d4103b 105 } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle
schoeni_91 0:cbf905d4103b 106 #else
schoeni_91 0:cbf905d4103b 107 _spi.write(cmd);
schoeni_91 0:cbf905d4103b 108 #endif
schoeni_91 0:cbf905d4103b 109 _CS = 1;
schoeni_91 0:cbf905d4103b 110 }
schoeni_91 0:cbf905d4103b 111
schoeni_91 0:cbf905d4103b 112 // write data to lcd controller
schoeni_91 0:cbf905d4103b 113
schoeni_91 0:cbf905d4103b 114 void C12832_LCD::wr_dat(unsigned char dat)
schoeni_91 0:cbf905d4103b 115 {
schoeni_91 0:cbf905d4103b 116 _A0 = 1;
schoeni_91 0:cbf905d4103b 117 _CS = 0;
schoeni_91 0:cbf905d4103b 118 #if defined TARGET_LPC1768 // fast without mbed lib
schoeni_91 0:cbf905d4103b 119 LPC_SSP1->DR = dat;
schoeni_91 0:cbf905d4103b 120 do {
schoeni_91 0:cbf905d4103b 121 } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle
schoeni_91 0:cbf905d4103b 122 #else
schoeni_91 0:cbf905d4103b 123 _spi.write(dat);
schoeni_91 0:cbf905d4103b 124 #endif
schoeni_91 0:cbf905d4103b 125 _CS = 1;
schoeni_91 0:cbf905d4103b 126 }
schoeni_91 0:cbf905d4103b 127
schoeni_91 0:cbf905d4103b 128 // reset and init the lcd controller
schoeni_91 0:cbf905d4103b 129
schoeni_91 0:cbf905d4103b 130 void C12832_LCD::lcd_reset()
schoeni_91 0:cbf905d4103b 131 {
schoeni_91 0:cbf905d4103b 132
schoeni_91 0:cbf905d4103b 133 _spi.format(8,3); // 8 bit spi mode 3
schoeni_91 0:cbf905d4103b 134 _spi.frequency(20000000); // 19,2 Mhz SPI clock
schoeni_91 0:cbf905d4103b 135 DigitalOut _reset(p6);
schoeni_91 0:cbf905d4103b 136 _A0 = 0;
schoeni_91 0:cbf905d4103b 137 _CS = 1;
schoeni_91 0:cbf905d4103b 138 _reset = 0; // display reset
schoeni_91 0:cbf905d4103b 139 wait_us(50);
schoeni_91 0:cbf905d4103b 140 _reset = 1; // end reset
schoeni_91 0:cbf905d4103b 141 wait_ms(5);
schoeni_91 0:cbf905d4103b 142
schoeni_91 0:cbf905d4103b 143 /* Start Initial Sequence ----------------------------------------------------*/
schoeni_91 0:cbf905d4103b 144
schoeni_91 0:cbf905d4103b 145 wr_cmd(0xAE); // display off
schoeni_91 0:cbf905d4103b 146 wr_cmd(0xA2); // bias voltage
schoeni_91 0:cbf905d4103b 147
schoeni_91 0:cbf905d4103b 148 wr_cmd(0xA0);
schoeni_91 0:cbf905d4103b 149 wr_cmd(0xC8); // colum normal
schoeni_91 0:cbf905d4103b 150
schoeni_91 0:cbf905d4103b 151 wr_cmd(0x22); // voltage resistor ratio
schoeni_91 0:cbf905d4103b 152 wr_cmd(0x2F); // power on
schoeni_91 0:cbf905d4103b 153 //wr_cmd(0xA4); // LCD display ram
schoeni_91 0:cbf905d4103b 154 wr_cmd(0x40); // start line = 0
schoeni_91 0:cbf905d4103b 155 wr_cmd(0xAF); // display ON
schoeni_91 0:cbf905d4103b 156
schoeni_91 0:cbf905d4103b 157 wr_cmd(0x81); // set contrast
schoeni_91 0:cbf905d4103b 158 wr_cmd(0x17); // set contrast
schoeni_91 0:cbf905d4103b 159
schoeni_91 0:cbf905d4103b 160 wr_cmd(0xA6); // display normal
schoeni_91 0:cbf905d4103b 161
schoeni_91 0:cbf905d4103b 162
schoeni_91 0:cbf905d4103b 163 #if defined TARGET_LPC1768 //setup DMA channel 0
schoeni_91 0:cbf905d4103b 164 LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA
schoeni_91 0:cbf905d4103b 165 LPC_GPDMA->DMACConfig = 1; // enable DMA controller
schoeni_91 0:cbf905d4103b 166 LPC_GPDMA->DMACIntTCClear = 0x1;
schoeni_91 0:cbf905d4103b 167 LPC_GPDMA->DMACIntErrClr = 0x1;
schoeni_91 0:cbf905d4103b 168 LPC_GPDMACH0->DMACCLLI = 0;
schoeni_91 0:cbf905d4103b 169 #endif
schoeni_91 0:cbf905d4103b 170 // clear and update LCD
schoeni_91 0:cbf905d4103b 171 memset(buffer,0x00,512); // clear display buffer
schoeni_91 0:cbf905d4103b 172 copy_to_lcd();
schoeni_91 0:cbf905d4103b 173 auto_up = 1; // switch on auto update
schoeni_91 0:cbf905d4103b 174 claim(stdout); // redirekt printf to lcd
schoeni_91 0:cbf905d4103b 175 locate(0,0);
schoeni_91 0:cbf905d4103b 176 set_font((unsigned char*)Small_7); // standart font
schoeni_91 0:cbf905d4103b 177 }
schoeni_91 0:cbf905d4103b 178
schoeni_91 0:cbf905d4103b 179 // set one pixel in buffer
schoeni_91 0:cbf905d4103b 180
schoeni_91 0:cbf905d4103b 181 void C12832_LCD::pixel(int x, int y, int color)
schoeni_91 0:cbf905d4103b 182 {
schoeni_91 0:cbf905d4103b 183 // first check parameter
schoeni_91 0:cbf905d4103b 184 if(x > 128 || y > 32 || x < 0 || y < 0) return;
schoeni_91 0:cbf905d4103b 185
schoeni_91 0:cbf905d4103b 186 if(draw_mode == NORMAL) {
schoeni_91 0:cbf905d4103b 187 if(color == 0)
schoeni_91 0:cbf905d4103b 188 buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel
schoeni_91 0:cbf905d4103b 189 else
schoeni_91 0:cbf905d4103b 190 buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel
schoeni_91 0:cbf905d4103b 191 } else { // XOR mode
schoeni_91 0:cbf905d4103b 192 if(color == 1)
schoeni_91 0:cbf905d4103b 193 buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel
schoeni_91 0:cbf905d4103b 194 }
schoeni_91 0:cbf905d4103b 195 }
schoeni_91 0:cbf905d4103b 196
schoeni_91 0:cbf905d4103b 197 // update lcd
schoeni_91 0:cbf905d4103b 198
schoeni_91 0:cbf905d4103b 199 void C12832_LCD::copy_to_lcd(void)
schoeni_91 0:cbf905d4103b 200 {
schoeni_91 0:cbf905d4103b 201 #ifndef TARGET_LPC1768
schoeni_91 0:cbf905d4103b 202 int i;
schoeni_91 0:cbf905d4103b 203 #endif
schoeni_91 0:cbf905d4103b 204 //page 0
schoeni_91 0:cbf905d4103b 205 wr_cmd(0x00); // set column low nibble 0
schoeni_91 0:cbf905d4103b 206 wr_cmd(0x10); // set column hi nibble 0
schoeni_91 0:cbf905d4103b 207 wr_cmd(0xB0); // set page address 0
schoeni_91 0:cbf905d4103b 208 _A0 = 1;
schoeni_91 0:cbf905d4103b 209 #if defined TARGET_LPC1768
schoeni_91 0:cbf905d4103b 210 _CS = 0;
schoeni_91 0:cbf905d4103b 211 // start 128 byte DMA transfer to SPI1
schoeni_91 0:cbf905d4103b 212 LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1
schoeni_91 0:cbf905d4103b 213 LPC_SSP1->DMACR = 0x2; // Enable SSP1 for DMA.
schoeni_91 0:cbf905d4103b 214 LPC_GPDMA->DMACIntTCClear = 0x1;
schoeni_91 0:cbf905d4103b 215 LPC_GPDMA->DMACIntErrClr = 0x1;
schoeni_91 0:cbf905d4103b 216 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer);
schoeni_91 0:cbf905d4103b 217 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
schoeni_91 0:cbf905d4103b 218 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
schoeni_91 0:cbf905d4103b 219 LPC_GPDMA->DMACSoftSReq = 0x1;
schoeni_91 0:cbf905d4103b 220 do {
schoeni_91 0:cbf905d4103b 221 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
schoeni_91 0:cbf905d4103b 222 do {
schoeni_91 0:cbf905d4103b 223 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
schoeni_91 0:cbf905d4103b 224 _CS = 1;
schoeni_91 0:cbf905d4103b 225 #else // no DMA
schoeni_91 0:cbf905d4103b 226 for(i=0;i<128;i++){
schoeni_91 0:cbf905d4103b 227 wr_dat(buffer[i]);
schoeni_91 0:cbf905d4103b 228 }
schoeni_91 0:cbf905d4103b 229 #endif
schoeni_91 0:cbf905d4103b 230
schoeni_91 0:cbf905d4103b 231 // page 1
schoeni_91 0:cbf905d4103b 232 wr_cmd(0x00); // set column low nibble 0
schoeni_91 0:cbf905d4103b 233 wr_cmd(0x10); // set column hi nibble 0
schoeni_91 0:cbf905d4103b 234 wr_cmd(0xB1); // set page address 1
schoeni_91 0:cbf905d4103b 235 _A0 = 1;
schoeni_91 0:cbf905d4103b 236 #if defined TARGET_LPC1768
schoeni_91 0:cbf905d4103b 237 _CS = 0;
schoeni_91 0:cbf905d4103b 238 // start 128 byte DMA transfer to SPI1
schoeni_91 0:cbf905d4103b 239 LPC_GPDMA->DMACIntTCClear = 0x1;
schoeni_91 0:cbf905d4103b 240 LPC_GPDMA->DMACIntErrClr = 0x1;
schoeni_91 0:cbf905d4103b 241 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 128);
schoeni_91 0:cbf905d4103b 242 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
schoeni_91 0:cbf905d4103b 243 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
schoeni_91 0:cbf905d4103b 244 LPC_GPDMA->DMACSoftSReq = 0x1;
schoeni_91 0:cbf905d4103b 245 do {
schoeni_91 0:cbf905d4103b 246 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
schoeni_91 0:cbf905d4103b 247 do {
schoeni_91 0:cbf905d4103b 248 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
schoeni_91 0:cbf905d4103b 249 _CS = 1;
schoeni_91 0:cbf905d4103b 250 #else // no DMA
schoeni_91 0:cbf905d4103b 251 for(i=128;i<256;i++){
schoeni_91 0:cbf905d4103b 252 wr_dat(buffer[i]);
schoeni_91 0:cbf905d4103b 253 }
schoeni_91 0:cbf905d4103b 254 #endif
schoeni_91 0:cbf905d4103b 255
schoeni_91 0:cbf905d4103b 256 //page 2
schoeni_91 0:cbf905d4103b 257 wr_cmd(0x00); // set column low nibble 0
schoeni_91 0:cbf905d4103b 258 wr_cmd(0x10); // set column hi nibble 0
schoeni_91 0:cbf905d4103b 259 wr_cmd(0xB2); // set page address 2
schoeni_91 0:cbf905d4103b 260 _A0 = 1;
schoeni_91 0:cbf905d4103b 261 #if defined TARGET_LPC1768
schoeni_91 0:cbf905d4103b 262 _CS = 0;
schoeni_91 0:cbf905d4103b 263 // start 128 byte DMA transfer to SPI1
schoeni_91 0:cbf905d4103b 264 LPC_GPDMA->DMACIntTCClear = 0x1;
schoeni_91 0:cbf905d4103b 265 LPC_GPDMA->DMACIntErrClr = 0x1;
schoeni_91 0:cbf905d4103b 266 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 256);
schoeni_91 0:cbf905d4103b 267 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
schoeni_91 0:cbf905d4103b 268 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX ;
schoeni_91 0:cbf905d4103b 269 LPC_GPDMA->DMACSoftSReq = 0x1;
schoeni_91 0:cbf905d4103b 270 do {
schoeni_91 0:cbf905d4103b 271 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
schoeni_91 0:cbf905d4103b 272 do {
schoeni_91 0:cbf905d4103b 273 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
schoeni_91 0:cbf905d4103b 274 _CS = 1;
schoeni_91 0:cbf905d4103b 275 #else // no DMA
schoeni_91 0:cbf905d4103b 276 for(i=256;i<384;i++){
schoeni_91 0:cbf905d4103b 277 wr_dat(buffer[i]);
schoeni_91 0:cbf905d4103b 278 }
schoeni_91 0:cbf905d4103b 279 #endif
schoeni_91 0:cbf905d4103b 280
schoeni_91 0:cbf905d4103b 281 //page 3
schoeni_91 0:cbf905d4103b 282 wr_cmd(0x00); // set column low nibble 0
schoeni_91 0:cbf905d4103b 283 wr_cmd(0x10); // set column hi nibble 0
schoeni_91 0:cbf905d4103b 284 wr_cmd(0xB3); // set page address 3
schoeni_91 0:cbf905d4103b 285 _A0 = 1;
schoeni_91 0:cbf905d4103b 286
schoeni_91 0:cbf905d4103b 287 _CS = 0;
schoeni_91 0:cbf905d4103b 288 #if defined TARGET_LPC1768
schoeni_91 0:cbf905d4103b 289 // start 128 byte DMA transfer to SPI1
schoeni_91 0:cbf905d4103b 290 LPC_GPDMA->DMACIntTCClear = 0x1;
schoeni_91 0:cbf905d4103b 291 LPC_GPDMA->DMACIntErrClr = 0x1;
schoeni_91 0:cbf905d4103b 292 LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 384);
schoeni_91 0:cbf905d4103b 293 LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt
schoeni_91 0:cbf905d4103b 294 LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX;
schoeni_91 0:cbf905d4103b 295 LPC_GPDMA->DMACSoftSReq = 0x1;
schoeni_91 0:cbf905d4103b 296 do {
schoeni_91 0:cbf905d4103b 297 } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running
schoeni_91 0:cbf905d4103b 298 do {
schoeni_91 0:cbf905d4103b 299 } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle
schoeni_91 0:cbf905d4103b 300 _CS = 1;
schoeni_91 0:cbf905d4103b 301 #else // no DMA
schoeni_91 0:cbf905d4103b 302 for(i=384;i<512;i++){
schoeni_91 0:cbf905d4103b 303 wr_dat(buffer[i]);
schoeni_91 0:cbf905d4103b 304 }
schoeni_91 0:cbf905d4103b 305 #endif
schoeni_91 0:cbf905d4103b 306 }
schoeni_91 0:cbf905d4103b 307
schoeni_91 0:cbf905d4103b 308 void C12832_LCD::cls(void)
schoeni_91 0:cbf905d4103b 309 {
schoeni_91 0:cbf905d4103b 310 memset(buffer,0x00,512); // clear display buffer
schoeni_91 0:cbf905d4103b 311 copy_to_lcd();
schoeni_91 0:cbf905d4103b 312 }
schoeni_91 0:cbf905d4103b 313
schoeni_91 0:cbf905d4103b 314
schoeni_91 0:cbf905d4103b 315 void C12832_LCD::line(int x0, int y0, int x1, int y1, int color)
schoeni_91 0:cbf905d4103b 316 {
schoeni_91 0:cbf905d4103b 317 int dx = 0, dy = 0;
schoeni_91 0:cbf905d4103b 318 int dx_sym = 0, dy_sym = 0;
schoeni_91 0:cbf905d4103b 319 int dx_x2 = 0, dy_x2 = 0;
schoeni_91 0:cbf905d4103b 320 int di = 0;
schoeni_91 0:cbf905d4103b 321
schoeni_91 0:cbf905d4103b 322 dx = x1-x0;
schoeni_91 0:cbf905d4103b 323 dy = y1-y0;
schoeni_91 0:cbf905d4103b 324
schoeni_91 0:cbf905d4103b 325 // if (dx == 0) { /* vertical line */
schoeni_91 0:cbf905d4103b 326 // if (y1 > y0) vline(x0,y0,y1,color);
schoeni_91 0:cbf905d4103b 327 // else vline(x0,y1,y0,color);
schoeni_91 0:cbf905d4103b 328 // return;
schoeni_91 0:cbf905d4103b 329 // }
schoeni_91 0:cbf905d4103b 330
schoeni_91 0:cbf905d4103b 331 if (dx > 0) {
schoeni_91 0:cbf905d4103b 332 dx_sym = 1;
schoeni_91 0:cbf905d4103b 333 } else {
schoeni_91 0:cbf905d4103b 334 dx_sym = -1;
schoeni_91 0:cbf905d4103b 335 }
schoeni_91 0:cbf905d4103b 336 // if (dy == 0) { /* horizontal line */
schoeni_91 0:cbf905d4103b 337 // if (x1 > x0) hline(x0,x1,y0,color);
schoeni_91 0:cbf905d4103b 338 // else hline(x1,x0,y0,color);
schoeni_91 0:cbf905d4103b 339 // return;
schoeni_91 0:cbf905d4103b 340 // }
schoeni_91 0:cbf905d4103b 341
schoeni_91 0:cbf905d4103b 342 if (dy > 0) {
schoeni_91 0:cbf905d4103b 343 dy_sym = 1;
schoeni_91 0:cbf905d4103b 344 } else {
schoeni_91 0:cbf905d4103b 345 dy_sym = -1;
schoeni_91 0:cbf905d4103b 346 }
schoeni_91 0:cbf905d4103b 347
schoeni_91 0:cbf905d4103b 348 dx = dx_sym*dx;
schoeni_91 0:cbf905d4103b 349 dy = dy_sym*dy;
schoeni_91 0:cbf905d4103b 350
schoeni_91 0:cbf905d4103b 351 dx_x2 = dx*2;
schoeni_91 0:cbf905d4103b 352 dy_x2 = dy*2;
schoeni_91 0:cbf905d4103b 353
schoeni_91 0:cbf905d4103b 354 if (dx >= dy) {
schoeni_91 0:cbf905d4103b 355 di = dy_x2 - dx;
schoeni_91 0:cbf905d4103b 356 while (x0 != x1) {
schoeni_91 0:cbf905d4103b 357
schoeni_91 0:cbf905d4103b 358 pixel(x0, y0, color);
schoeni_91 0:cbf905d4103b 359 x0 += dx_sym;
schoeni_91 0:cbf905d4103b 360 if (di<0) {
schoeni_91 0:cbf905d4103b 361 di += dy_x2;
schoeni_91 0:cbf905d4103b 362 } else {
schoeni_91 0:cbf905d4103b 363 di += dy_x2 - dx_x2;
schoeni_91 0:cbf905d4103b 364 y0 += dy_sym;
schoeni_91 0:cbf905d4103b 365 }
schoeni_91 0:cbf905d4103b 366 }
schoeni_91 0:cbf905d4103b 367 pixel(x0, y0, color);
schoeni_91 0:cbf905d4103b 368 } else {
schoeni_91 0:cbf905d4103b 369 di = dx_x2 - dy;
schoeni_91 0:cbf905d4103b 370 while (y0 != y1) {
schoeni_91 0:cbf905d4103b 371 pixel(x0, y0, color);
schoeni_91 0:cbf905d4103b 372 y0 += dy_sym;
schoeni_91 0:cbf905d4103b 373 if (di < 0) {
schoeni_91 0:cbf905d4103b 374 di += dx_x2;
schoeni_91 0:cbf905d4103b 375 } else {
schoeni_91 0:cbf905d4103b 376 di += dx_x2 - dy_x2;
schoeni_91 0:cbf905d4103b 377 x0 += dx_sym;
schoeni_91 0:cbf905d4103b 378 }
schoeni_91 0:cbf905d4103b 379 }
schoeni_91 0:cbf905d4103b 380 pixel(x0, y0, color);
schoeni_91 0:cbf905d4103b 381 }
schoeni_91 0:cbf905d4103b 382 if(auto_up) copy_to_lcd();
schoeni_91 0:cbf905d4103b 383 }
schoeni_91 0:cbf905d4103b 384
schoeni_91 0:cbf905d4103b 385 void C12832_LCD::rect(int x0, int y0, int x1, int y1, int color)
schoeni_91 0:cbf905d4103b 386 {
schoeni_91 0:cbf905d4103b 387
schoeni_91 0:cbf905d4103b 388 if (x1 > x0) line(x0,y0,x1,y0,color);
schoeni_91 0:cbf905d4103b 389 else line(x1,y0,x0,y0,color);
schoeni_91 0:cbf905d4103b 390
schoeni_91 0:cbf905d4103b 391 if (y1 > y0) line(x0,y0,x0,y1,color);
schoeni_91 0:cbf905d4103b 392 else line(x0,y1,x0,y0,color);
schoeni_91 0:cbf905d4103b 393
schoeni_91 0:cbf905d4103b 394 if (x1 > x0) line(x0,y1,x1,y1,color);
schoeni_91 0:cbf905d4103b 395 else line(x1,y1,x0,y1,color);
schoeni_91 0:cbf905d4103b 396
schoeni_91 0:cbf905d4103b 397 if (y1 > y0) line(x1,y0,x1,y1,color);
schoeni_91 0:cbf905d4103b 398 else line(x1,y1,x1,y0,color);
schoeni_91 0:cbf905d4103b 399
schoeni_91 0:cbf905d4103b 400 if(auto_up) copy_to_lcd();
schoeni_91 0:cbf905d4103b 401 }
schoeni_91 0:cbf905d4103b 402
schoeni_91 0:cbf905d4103b 403 void C12832_LCD::fillrect(int x0, int y0, int x1, int y1, int color)
schoeni_91 0:cbf905d4103b 404 {
schoeni_91 0:cbf905d4103b 405 int l,c,i;
schoeni_91 0:cbf905d4103b 406 if(x0 > x1) {
schoeni_91 0:cbf905d4103b 407 i = x0;
schoeni_91 0:cbf905d4103b 408 x0 = x1;
schoeni_91 0:cbf905d4103b 409 x1 = i;
schoeni_91 0:cbf905d4103b 410 }
schoeni_91 0:cbf905d4103b 411
schoeni_91 0:cbf905d4103b 412 if(y0 > y1) {
schoeni_91 0:cbf905d4103b 413 i = y0;
schoeni_91 0:cbf905d4103b 414 y0 = y1;
schoeni_91 0:cbf905d4103b 415 y1 = i;
schoeni_91 0:cbf905d4103b 416 }
schoeni_91 0:cbf905d4103b 417
schoeni_91 0:cbf905d4103b 418 for(l = x0; l<= x1; l ++) {
schoeni_91 0:cbf905d4103b 419 for(c = y0; c<= y1; c++) {
schoeni_91 0:cbf905d4103b 420 pixel(l,c,color);
schoeni_91 0:cbf905d4103b 421 }
schoeni_91 0:cbf905d4103b 422 }
schoeni_91 0:cbf905d4103b 423 if(auto_up) copy_to_lcd();
schoeni_91 0:cbf905d4103b 424 }
schoeni_91 0:cbf905d4103b 425
schoeni_91 0:cbf905d4103b 426
schoeni_91 0:cbf905d4103b 427
schoeni_91 0:cbf905d4103b 428 void C12832_LCD::circle(int x0, int y0, int r, int color)
schoeni_91 0:cbf905d4103b 429 {
schoeni_91 0:cbf905d4103b 430
schoeni_91 0:cbf905d4103b 431 int draw_x0, draw_y0;
schoeni_91 0:cbf905d4103b 432 int draw_x1, draw_y1;
schoeni_91 0:cbf905d4103b 433 int draw_x2, draw_y2;
schoeni_91 0:cbf905d4103b 434 int draw_x3, draw_y3;
schoeni_91 0:cbf905d4103b 435 int draw_x4, draw_y4;
schoeni_91 0:cbf905d4103b 436 int draw_x5, draw_y5;
schoeni_91 0:cbf905d4103b 437 int draw_x6, draw_y6;
schoeni_91 0:cbf905d4103b 438 int draw_x7, draw_y7;
schoeni_91 0:cbf905d4103b 439 int xx, yy;
schoeni_91 0:cbf905d4103b 440 int di;
schoeni_91 0:cbf905d4103b 441 //WindowMax();
schoeni_91 0:cbf905d4103b 442 if (r == 0) { /* no radius */
schoeni_91 0:cbf905d4103b 443 return;
schoeni_91 0:cbf905d4103b 444 }
schoeni_91 0:cbf905d4103b 445
schoeni_91 0:cbf905d4103b 446 draw_x0 = draw_x1 = x0;
schoeni_91 0:cbf905d4103b 447 draw_y0 = draw_y1 = y0 + r;
schoeni_91 0:cbf905d4103b 448 if (draw_y0 < height()) {
schoeni_91 0:cbf905d4103b 449 pixel(draw_x0, draw_y0, color); /* 90 degree */
schoeni_91 0:cbf905d4103b 450 }
schoeni_91 0:cbf905d4103b 451
schoeni_91 0:cbf905d4103b 452 draw_x2 = draw_x3 = x0;
schoeni_91 0:cbf905d4103b 453 draw_y2 = draw_y3 = y0 - r;
schoeni_91 0:cbf905d4103b 454 if (draw_y2 >= 0) {
schoeni_91 0:cbf905d4103b 455 pixel(draw_x2, draw_y2, color); /* 270 degree */
schoeni_91 0:cbf905d4103b 456 }
schoeni_91 0:cbf905d4103b 457
schoeni_91 0:cbf905d4103b 458 draw_x4 = draw_x6 = x0 + r;
schoeni_91 0:cbf905d4103b 459 draw_y4 = draw_y6 = y0;
schoeni_91 0:cbf905d4103b 460 if (draw_x4 < width()) {
schoeni_91 0:cbf905d4103b 461 pixel(draw_x4, draw_y4, color); /* 0 degree */
schoeni_91 0:cbf905d4103b 462 }
schoeni_91 0:cbf905d4103b 463
schoeni_91 0:cbf905d4103b 464 draw_x5 = draw_x7 = x0 - r;
schoeni_91 0:cbf905d4103b 465 draw_y5 = draw_y7 = y0;
schoeni_91 0:cbf905d4103b 466 if (draw_x5>=0) {
schoeni_91 0:cbf905d4103b 467 pixel(draw_x5, draw_y5, color); /* 180 degree */
schoeni_91 0:cbf905d4103b 468 }
schoeni_91 0:cbf905d4103b 469
schoeni_91 0:cbf905d4103b 470 if (r == 1) {
schoeni_91 0:cbf905d4103b 471 return;
schoeni_91 0:cbf905d4103b 472 }
schoeni_91 0:cbf905d4103b 473
schoeni_91 0:cbf905d4103b 474 di = 3 - 2*r;
schoeni_91 0:cbf905d4103b 475 xx = 0;
schoeni_91 0:cbf905d4103b 476 yy = r;
schoeni_91 0:cbf905d4103b 477 while (xx < yy) {
schoeni_91 0:cbf905d4103b 478
schoeni_91 0:cbf905d4103b 479 if (di < 0) {
schoeni_91 0:cbf905d4103b 480 di += 4*xx + 6;
schoeni_91 0:cbf905d4103b 481 } else {
schoeni_91 0:cbf905d4103b 482 di += 4*(xx - yy) + 10;
schoeni_91 0:cbf905d4103b 483 yy--;
schoeni_91 0:cbf905d4103b 484 draw_y0--;
schoeni_91 0:cbf905d4103b 485 draw_y1--;
schoeni_91 0:cbf905d4103b 486 draw_y2++;
schoeni_91 0:cbf905d4103b 487 draw_y3++;
schoeni_91 0:cbf905d4103b 488 draw_x4--;
schoeni_91 0:cbf905d4103b 489 draw_x5++;
schoeni_91 0:cbf905d4103b 490 draw_x6--;
schoeni_91 0:cbf905d4103b 491 draw_x7++;
schoeni_91 0:cbf905d4103b 492 }
schoeni_91 0:cbf905d4103b 493 xx++;
schoeni_91 0:cbf905d4103b 494 draw_x0++;
schoeni_91 0:cbf905d4103b 495 draw_x1--;
schoeni_91 0:cbf905d4103b 496 draw_x2++;
schoeni_91 0:cbf905d4103b 497 draw_x3--;
schoeni_91 0:cbf905d4103b 498 draw_y4++;
schoeni_91 0:cbf905d4103b 499 draw_y5++;
schoeni_91 0:cbf905d4103b 500 draw_y6--;
schoeni_91 0:cbf905d4103b 501 draw_y7--;
schoeni_91 0:cbf905d4103b 502
schoeni_91 0:cbf905d4103b 503 if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
schoeni_91 0:cbf905d4103b 504 pixel(draw_x0, draw_y0, color);
schoeni_91 0:cbf905d4103b 505 }
schoeni_91 0:cbf905d4103b 506
schoeni_91 0:cbf905d4103b 507 if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
schoeni_91 0:cbf905d4103b 508 pixel(draw_x1, draw_y1, color);
schoeni_91 0:cbf905d4103b 509 }
schoeni_91 0:cbf905d4103b 510
schoeni_91 0:cbf905d4103b 511 if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
schoeni_91 0:cbf905d4103b 512 pixel(draw_x2, draw_y2, color);
schoeni_91 0:cbf905d4103b 513 }
schoeni_91 0:cbf905d4103b 514
schoeni_91 0:cbf905d4103b 515 if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
schoeni_91 0:cbf905d4103b 516 pixel(draw_x3, draw_y3, color);
schoeni_91 0:cbf905d4103b 517 }
schoeni_91 0:cbf905d4103b 518
schoeni_91 0:cbf905d4103b 519 if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
schoeni_91 0:cbf905d4103b 520 pixel(draw_x4, draw_y4, color);
schoeni_91 0:cbf905d4103b 521 }
schoeni_91 0:cbf905d4103b 522
schoeni_91 0:cbf905d4103b 523 if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
schoeni_91 0:cbf905d4103b 524 pixel(draw_x5, draw_y5, color);
schoeni_91 0:cbf905d4103b 525 }
schoeni_91 0:cbf905d4103b 526 if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
schoeni_91 0:cbf905d4103b 527 pixel(draw_x6, draw_y6, color);
schoeni_91 0:cbf905d4103b 528 }
schoeni_91 0:cbf905d4103b 529 if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
schoeni_91 0:cbf905d4103b 530 pixel(draw_x7, draw_y7, color);
schoeni_91 0:cbf905d4103b 531 }
schoeni_91 0:cbf905d4103b 532 }
schoeni_91 0:cbf905d4103b 533 if(auto_up) copy_to_lcd();
schoeni_91 0:cbf905d4103b 534 }
schoeni_91 0:cbf905d4103b 535
schoeni_91 0:cbf905d4103b 536 void C12832_LCD::fillcircle(int x, int y, int r, int color)
schoeni_91 0:cbf905d4103b 537 {
schoeni_91 0:cbf905d4103b 538 int i,up;
schoeni_91 0:cbf905d4103b 539 up = auto_up;
schoeni_91 0:cbf905d4103b 540 auto_up = 0; // off
schoeni_91 0:cbf905d4103b 541 for (i = 0; i <= r; i++)
schoeni_91 0:cbf905d4103b 542 circle(x,y,i,color);
schoeni_91 0:cbf905d4103b 543 auto_up = up;
schoeni_91 0:cbf905d4103b 544 if(auto_up) copy_to_lcd();
schoeni_91 0:cbf905d4103b 545 }
schoeni_91 0:cbf905d4103b 546
schoeni_91 0:cbf905d4103b 547 void C12832_LCD::setmode(int mode)
schoeni_91 0:cbf905d4103b 548 {
schoeni_91 0:cbf905d4103b 549 draw_mode = mode;
schoeni_91 0:cbf905d4103b 550 }
schoeni_91 0:cbf905d4103b 551
schoeni_91 0:cbf905d4103b 552 void C12832_LCD::locate(int x, int y)
schoeni_91 0:cbf905d4103b 553 {
schoeni_91 0:cbf905d4103b 554 char_x = x;
schoeni_91 0:cbf905d4103b 555 char_y = y;
schoeni_91 0:cbf905d4103b 556 }
schoeni_91 0:cbf905d4103b 557
schoeni_91 0:cbf905d4103b 558
schoeni_91 0:cbf905d4103b 559
schoeni_91 0:cbf905d4103b 560 int C12832_LCD::columns()
schoeni_91 0:cbf905d4103b 561 {
schoeni_91 0:cbf905d4103b 562 return width() / font[1];
schoeni_91 0:cbf905d4103b 563 }
schoeni_91 0:cbf905d4103b 564
schoeni_91 0:cbf905d4103b 565
schoeni_91 0:cbf905d4103b 566
schoeni_91 0:cbf905d4103b 567 int C12832_LCD::rows()
schoeni_91 0:cbf905d4103b 568 {
schoeni_91 0:cbf905d4103b 569 return height() / font[2];
schoeni_91 0:cbf905d4103b 570 }
schoeni_91 0:cbf905d4103b 571
schoeni_91 0:cbf905d4103b 572
schoeni_91 0:cbf905d4103b 573
schoeni_91 0:cbf905d4103b 574 int C12832_LCD::_putc(int value)
schoeni_91 0:cbf905d4103b 575 {
schoeni_91 0:cbf905d4103b 576 if (value == '\n') { // new line
schoeni_91 0:cbf905d4103b 577 char_x = 0;
schoeni_91 0:cbf905d4103b 578 char_y = char_y + font[2];
schoeni_91 0:cbf905d4103b 579 if (char_y >= height() - font[2]) {
schoeni_91 0:cbf905d4103b 580 char_y = 0;
schoeni_91 0:cbf905d4103b 581 }
schoeni_91 0:cbf905d4103b 582 } else {
schoeni_91 0:cbf905d4103b 583 character(char_x, char_y, value);
schoeni_91 0:cbf905d4103b 584 if(auto_up) copy_to_lcd();
schoeni_91 0:cbf905d4103b 585 }
schoeni_91 0:cbf905d4103b 586 return value;
schoeni_91 0:cbf905d4103b 587 }
schoeni_91 0:cbf905d4103b 588
schoeni_91 0:cbf905d4103b 589 void C12832_LCD::character(int x, int y, int c)
schoeni_91 0:cbf905d4103b 590 {
schoeni_91 0:cbf905d4103b 591 unsigned int hor,vert,offset,bpl,j,i,b;
schoeni_91 0:cbf905d4103b 592 unsigned char* zeichen;
schoeni_91 0:cbf905d4103b 593 unsigned char z,w;
schoeni_91 0:cbf905d4103b 594
schoeni_91 0:cbf905d4103b 595 if ((c < 31) || (c > 127)) return; // test char range
schoeni_91 0:cbf905d4103b 596
schoeni_91 0:cbf905d4103b 597 // read font parameter from start of array
schoeni_91 0:cbf905d4103b 598 offset = font[0]; // bytes / char
schoeni_91 0:cbf905d4103b 599 hor = font[1]; // get hor size of font
schoeni_91 0:cbf905d4103b 600 vert = font[2]; // get vert size of font
schoeni_91 0:cbf905d4103b 601 bpl = font[3]; // bytes per line
schoeni_91 0:cbf905d4103b 602
schoeni_91 0:cbf905d4103b 603 if (char_x + hor > width()) {
schoeni_91 0:cbf905d4103b 604 char_x = 0;
schoeni_91 0:cbf905d4103b 605 char_y = char_y + vert;
schoeni_91 0:cbf905d4103b 606 if (char_y >= height() - font[2]) {
schoeni_91 0:cbf905d4103b 607 char_y = 0;
schoeni_91 0:cbf905d4103b 608 }
schoeni_91 0:cbf905d4103b 609 }
schoeni_91 0:cbf905d4103b 610
schoeni_91 0:cbf905d4103b 611 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
schoeni_91 0:cbf905d4103b 612 w = zeichen[0]; // width of actual char
schoeni_91 0:cbf905d4103b 613 // construct the char into the buffer
schoeni_91 0:cbf905d4103b 614 for (j=0; j<vert; j++) { // vert line
schoeni_91 0:cbf905d4103b 615 for (i=0; i<hor; i++) { // horz line
schoeni_91 0:cbf905d4103b 616 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
schoeni_91 0:cbf905d4103b 617 b = 1 << (j & 0x07);
schoeni_91 0:cbf905d4103b 618 if (( z & b ) == 0x00) {
schoeni_91 0:cbf905d4103b 619 pixel(x+i,y+j,0);
schoeni_91 0:cbf905d4103b 620 } else {
schoeni_91 0:cbf905d4103b 621 pixel(x+i,y+j,1);
schoeni_91 0:cbf905d4103b 622 }
schoeni_91 0:cbf905d4103b 623
schoeni_91 0:cbf905d4103b 624 }
schoeni_91 0:cbf905d4103b 625 }
schoeni_91 0:cbf905d4103b 626
schoeni_91 0:cbf905d4103b 627 char_x += w;
schoeni_91 0:cbf905d4103b 628 }
schoeni_91 0:cbf905d4103b 629
schoeni_91 0:cbf905d4103b 630
schoeni_91 0:cbf905d4103b 631 void C12832_LCD::set_font(unsigned char* f)
schoeni_91 0:cbf905d4103b 632 {
schoeni_91 0:cbf905d4103b 633 font = f;
schoeni_91 0:cbf905d4103b 634 }
schoeni_91 0:cbf905d4103b 635
schoeni_91 0:cbf905d4103b 636 void C12832_LCD::set_auto_up(unsigned int up)
schoeni_91 0:cbf905d4103b 637 {
schoeni_91 0:cbf905d4103b 638 if(up ) auto_up = 1;
schoeni_91 0:cbf905d4103b 639 }
schoeni_91 0:cbf905d4103b 640
schoeni_91 0:cbf905d4103b 641 unsigned int C12832_LCD::get_auto_up(void){
schoeni_91 0:cbf905d4103b 642 return (auto_up);
schoeni_91 0:cbf905d4103b 643 }
schoeni_91 0:cbf905d4103b 644
schoeni_91 0:cbf905d4103b 645