C12832_lcd
C12832_lcd.cpp@0:5c166367513c, 2018-11-15 (annotated)
- Committer:
- Reichi19
- Date:
- Thu Nov 15 17:21:05 2018 +0000
- Revision:
- 0:5c166367513c
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
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Reichi19 | 0:5c166367513c | 1 | /* mbed library for the mbed Lab Board 128*32 pixel LCD |
Reichi19 | 0:5c166367513c | 2 | * use C12832 controller |
Reichi19 | 0:5c166367513c | 3 | * Copyright (c) 2012 Peter Drescher - DC2PD |
Reichi19 | 0:5c166367513c | 4 | * Released under the MIT License: http://mbed.org/license/mit |
Reichi19 | 0:5c166367513c | 5 | * |
Reichi19 | 0:5c166367513c | 6 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
Reichi19 | 0:5c166367513c | 7 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
Reichi19 | 0:5c166367513c | 8 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
Reichi19 | 0:5c166367513c | 9 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
Reichi19 | 0:5c166367513c | 10 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Reichi19 | 0:5c166367513c | 11 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
Reichi19 | 0:5c166367513c | 12 | * THE SOFTWARE. |
Reichi19 | 0:5c166367513c | 13 | */ |
Reichi19 | 0:5c166367513c | 14 | |
Reichi19 | 0:5c166367513c | 15 | // 13.10.12 initial design |
Reichi19 | 0:5c166367513c | 16 | // 25.10.12 add autorefresh of screen |
Reichi19 | 0:5c166367513c | 17 | // 25.10.12 add standart font |
Reichi19 | 0:5c166367513c | 18 | |
Reichi19 | 0:5c166367513c | 19 | // optional defines : |
Reichi19 | 0:5c166367513c | 20 | // #define debug_lcd 1 |
Reichi19 | 0:5c166367513c | 21 | |
Reichi19 | 0:5c166367513c | 22 | #include "C12832_lcd.h" |
Reichi19 | 0:5c166367513c | 23 | #include "mbed.h" |
Reichi19 | 0:5c166367513c | 24 | #include "stdio.h" |
Reichi19 | 0:5c166367513c | 25 | #include "Small_7.h" |
Reichi19 | 0:5c166367513c | 26 | |
Reichi19 | 0:5c166367513c | 27 | #define BPP 1 // Bits per pixel |
Reichi19 | 0:5c166367513c | 28 | |
Reichi19 | 0:5c166367513c | 29 | C12832_LCD::C12832_LCD(const char* name) |
Reichi19 | 0:5c166367513c | 30 | : _spi(p5,NC,p7),_reset(p6),_A0(p8),_CS(p11),GraphicsDisplay(name) |
Reichi19 | 0:5c166367513c | 31 | { |
Reichi19 | 0:5c166367513c | 32 | orientation = 1; |
Reichi19 | 0:5c166367513c | 33 | draw_mode = NORMAL; |
Reichi19 | 0:5c166367513c | 34 | char_x = 0; |
Reichi19 | 0:5c166367513c | 35 | lcd_reset(); |
Reichi19 | 0:5c166367513c | 36 | } |
Reichi19 | 0:5c166367513c | 37 | |
Reichi19 | 0:5c166367513c | 38 | int C12832_LCD::width() |
Reichi19 | 0:5c166367513c | 39 | { |
Reichi19 | 0:5c166367513c | 40 | if (orientation == 0 || orientation == 2) return 32; |
Reichi19 | 0:5c166367513c | 41 | else return 128; |
Reichi19 | 0:5c166367513c | 42 | } |
Reichi19 | 0:5c166367513c | 43 | |
Reichi19 | 0:5c166367513c | 44 | int C12832_LCD::height() |
Reichi19 | 0:5c166367513c | 45 | { |
Reichi19 | 0:5c166367513c | 46 | if (orientation == 0 || orientation == 2) return 128; |
Reichi19 | 0:5c166367513c | 47 | else return 32; |
Reichi19 | 0:5c166367513c | 48 | } |
Reichi19 | 0:5c166367513c | 49 | |
Reichi19 | 0:5c166367513c | 50 | |
Reichi19 | 0:5c166367513c | 51 | /*void C12832_LCD::set_orientation(unsigned int o) |
Reichi19 | 0:5c166367513c | 52 | { |
Reichi19 | 0:5c166367513c | 53 | orientation = o; |
Reichi19 | 0:5c166367513c | 54 | switch (o) { |
Reichi19 | 0:5c166367513c | 55 | case (0): |
Reichi19 | 0:5c166367513c | 56 | wr_cmd(0xA0); |
Reichi19 | 0:5c166367513c | 57 | wr_cmd(0xC0); |
Reichi19 | 0:5c166367513c | 58 | break; |
Reichi19 | 0:5c166367513c | 59 | case (1): |
Reichi19 | 0:5c166367513c | 60 | wr_cmd(0xA0); |
Reichi19 | 0:5c166367513c | 61 | wr_cmd(0xC8); |
Reichi19 | 0:5c166367513c | 62 | break; |
Reichi19 | 0:5c166367513c | 63 | case (2): |
Reichi19 | 0:5c166367513c | 64 | wr_cmd(0xA1); |
Reichi19 | 0:5c166367513c | 65 | wr_cmd(0xC8); |
Reichi19 | 0:5c166367513c | 66 | break; |
Reichi19 | 0:5c166367513c | 67 | case (3): |
Reichi19 | 0:5c166367513c | 68 | wr_cmd(0xA1); |
Reichi19 | 0:5c166367513c | 69 | wr_cmd(0xC0); |
Reichi19 | 0:5c166367513c | 70 | break; |
Reichi19 | 0:5c166367513c | 71 | } |
Reichi19 | 0:5c166367513c | 72 | } |
Reichi19 | 0:5c166367513c | 73 | |
Reichi19 | 0:5c166367513c | 74 | */ |
Reichi19 | 0:5c166367513c | 75 | |
Reichi19 | 0:5c166367513c | 76 | void C12832_LCD::invert(unsigned int o) |
Reichi19 | 0:5c166367513c | 77 | { |
Reichi19 | 0:5c166367513c | 78 | if(o == 0) wr_cmd(0xA6); |
Reichi19 | 0:5c166367513c | 79 | else wr_cmd(0xA7); |
Reichi19 | 0:5c166367513c | 80 | } |
Reichi19 | 0:5c166367513c | 81 | |
Reichi19 | 0:5c166367513c | 82 | |
Reichi19 | 0:5c166367513c | 83 | void C12832_LCD::set_contrast(unsigned int o) |
Reichi19 | 0:5c166367513c | 84 | { |
Reichi19 | 0:5c166367513c | 85 | contrast = o; |
Reichi19 | 0:5c166367513c | 86 | wr_cmd(0x81); // set volume |
Reichi19 | 0:5c166367513c | 87 | wr_cmd(o & 0x3F); |
Reichi19 | 0:5c166367513c | 88 | } |
Reichi19 | 0:5c166367513c | 89 | |
Reichi19 | 0:5c166367513c | 90 | unsigned int C12832_LCD::get_contrast(void) |
Reichi19 | 0:5c166367513c | 91 | { |
Reichi19 | 0:5c166367513c | 92 | return(contrast); |
Reichi19 | 0:5c166367513c | 93 | } |
Reichi19 | 0:5c166367513c | 94 | |
Reichi19 | 0:5c166367513c | 95 | |
Reichi19 | 0:5c166367513c | 96 | // write command to lcd controller |
Reichi19 | 0:5c166367513c | 97 | |
Reichi19 | 0:5c166367513c | 98 | void C12832_LCD::wr_cmd(unsigned char cmd) |
Reichi19 | 0:5c166367513c | 99 | { |
Reichi19 | 0:5c166367513c | 100 | _A0 = 0; |
Reichi19 | 0:5c166367513c | 101 | _CS = 0; |
Reichi19 | 0:5c166367513c | 102 | #if defined TARGET_LPC1768 // fast without mbed lib |
Reichi19 | 0:5c166367513c | 103 | LPC_SSP1->DR = cmd; |
Reichi19 | 0:5c166367513c | 104 | do { |
Reichi19 | 0:5c166367513c | 105 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle |
Reichi19 | 0:5c166367513c | 106 | #else |
Reichi19 | 0:5c166367513c | 107 | _spi.write(cmd); |
Reichi19 | 0:5c166367513c | 108 | #endif |
Reichi19 | 0:5c166367513c | 109 | _CS = 1; |
Reichi19 | 0:5c166367513c | 110 | } |
Reichi19 | 0:5c166367513c | 111 | |
Reichi19 | 0:5c166367513c | 112 | // write data to lcd controller |
Reichi19 | 0:5c166367513c | 113 | |
Reichi19 | 0:5c166367513c | 114 | void C12832_LCD::wr_dat(unsigned char dat) |
Reichi19 | 0:5c166367513c | 115 | { |
Reichi19 | 0:5c166367513c | 116 | _A0 = 1; |
Reichi19 | 0:5c166367513c | 117 | _CS = 0; |
Reichi19 | 0:5c166367513c | 118 | #if defined TARGET_LPC1768 // fast without mbed lib |
Reichi19 | 0:5c166367513c | 119 | LPC_SSP1->DR = dat; |
Reichi19 | 0:5c166367513c | 120 | do { |
Reichi19 | 0:5c166367513c | 121 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // wait for SPI1 idle |
Reichi19 | 0:5c166367513c | 122 | #else |
Reichi19 | 0:5c166367513c | 123 | _spi.write(dat); |
Reichi19 | 0:5c166367513c | 124 | #endif |
Reichi19 | 0:5c166367513c | 125 | _CS = 1; |
Reichi19 | 0:5c166367513c | 126 | } |
Reichi19 | 0:5c166367513c | 127 | |
Reichi19 | 0:5c166367513c | 128 | // reset and init the lcd controller |
Reichi19 | 0:5c166367513c | 129 | |
Reichi19 | 0:5c166367513c | 130 | void C12832_LCD::lcd_reset() |
Reichi19 | 0:5c166367513c | 131 | { |
Reichi19 | 0:5c166367513c | 132 | |
Reichi19 | 0:5c166367513c | 133 | _spi.format(8,3); // 8 bit spi mode 3 |
Reichi19 | 0:5c166367513c | 134 | _spi.frequency(20000000); // 19,2 Mhz SPI clock |
Reichi19 | 0:5c166367513c | 135 | DigitalOut _reset(p6); |
Reichi19 | 0:5c166367513c | 136 | _A0 = 0; |
Reichi19 | 0:5c166367513c | 137 | _CS = 1; |
Reichi19 | 0:5c166367513c | 138 | _reset = 0; // display reset |
Reichi19 | 0:5c166367513c | 139 | wait_us(50); |
Reichi19 | 0:5c166367513c | 140 | _reset = 1; // end reset |
Reichi19 | 0:5c166367513c | 141 | wait_ms(5); |
Reichi19 | 0:5c166367513c | 142 | |
Reichi19 | 0:5c166367513c | 143 | /* Start Initial Sequence ----------------------------------------------------*/ |
Reichi19 | 0:5c166367513c | 144 | |
Reichi19 | 0:5c166367513c | 145 | wr_cmd(0xAE); // display off |
Reichi19 | 0:5c166367513c | 146 | wr_cmd(0xA2); // bias voltage |
Reichi19 | 0:5c166367513c | 147 | |
Reichi19 | 0:5c166367513c | 148 | wr_cmd(0xA0); |
Reichi19 | 0:5c166367513c | 149 | wr_cmd(0xC8); // colum normal |
Reichi19 | 0:5c166367513c | 150 | |
Reichi19 | 0:5c166367513c | 151 | wr_cmd(0x22); // voltage resistor ratio |
Reichi19 | 0:5c166367513c | 152 | wr_cmd(0x2F); // power on |
Reichi19 | 0:5c166367513c | 153 | //wr_cmd(0xA4); // LCD display ram |
Reichi19 | 0:5c166367513c | 154 | wr_cmd(0x40); // start line = 0 |
Reichi19 | 0:5c166367513c | 155 | wr_cmd(0xAF); // display ON |
Reichi19 | 0:5c166367513c | 156 | |
Reichi19 | 0:5c166367513c | 157 | wr_cmd(0x81); // set contrast |
Reichi19 | 0:5c166367513c | 158 | wr_cmd(0x17); // set contrast |
Reichi19 | 0:5c166367513c | 159 | |
Reichi19 | 0:5c166367513c | 160 | wr_cmd(0xA6); // display normal |
Reichi19 | 0:5c166367513c | 161 | |
Reichi19 | 0:5c166367513c | 162 | |
Reichi19 | 0:5c166367513c | 163 | #if defined TARGET_LPC1768 //setup DMA channel 0 |
Reichi19 | 0:5c166367513c | 164 | LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA |
Reichi19 | 0:5c166367513c | 165 | LPC_GPDMA->DMACConfig = 1; // enable DMA controller |
Reichi19 | 0:5c166367513c | 166 | LPC_GPDMA->DMACIntTCClear = 0x1; |
Reichi19 | 0:5c166367513c | 167 | LPC_GPDMA->DMACIntErrClr = 0x1; |
Reichi19 | 0:5c166367513c | 168 | LPC_GPDMACH0->DMACCLLI = 0; |
Reichi19 | 0:5c166367513c | 169 | #endif |
Reichi19 | 0:5c166367513c | 170 | // clear and update LCD |
Reichi19 | 0:5c166367513c | 171 | memset(buffer,0x00,512); // clear display buffer |
Reichi19 | 0:5c166367513c | 172 | copy_to_lcd(); |
Reichi19 | 0:5c166367513c | 173 | auto_up = 1; // switch on auto update |
Reichi19 | 0:5c166367513c | 174 | claim(stdout); // redirekt printf to lcd |
Reichi19 | 0:5c166367513c | 175 | locate(0,0); |
Reichi19 | 0:5c166367513c | 176 | set_font((unsigned char*)Small_7); // standart font |
Reichi19 | 0:5c166367513c | 177 | } |
Reichi19 | 0:5c166367513c | 178 | |
Reichi19 | 0:5c166367513c | 179 | // set one pixel in buffer |
Reichi19 | 0:5c166367513c | 180 | |
Reichi19 | 0:5c166367513c | 181 | void C12832_LCD::pixel(int x, int y, int color) |
Reichi19 | 0:5c166367513c | 182 | { |
Reichi19 | 0:5c166367513c | 183 | // first check parameter |
Reichi19 | 0:5c166367513c | 184 | if(x > 128 || y > 32 || x < 0 || y < 0) return; |
Reichi19 | 0:5c166367513c | 185 | |
Reichi19 | 0:5c166367513c | 186 | if(draw_mode == NORMAL) { |
Reichi19 | 0:5c166367513c | 187 | if(color == 0) |
Reichi19 | 0:5c166367513c | 188 | buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel |
Reichi19 | 0:5c166367513c | 189 | else |
Reichi19 | 0:5c166367513c | 190 | buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel |
Reichi19 | 0:5c166367513c | 191 | } else { // XOR mode |
Reichi19 | 0:5c166367513c | 192 | if(color == 1) |
Reichi19 | 0:5c166367513c | 193 | buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel |
Reichi19 | 0:5c166367513c | 194 | } |
Reichi19 | 0:5c166367513c | 195 | } |
Reichi19 | 0:5c166367513c | 196 | |
Reichi19 | 0:5c166367513c | 197 | // update lcd |
Reichi19 | 0:5c166367513c | 198 | |
Reichi19 | 0:5c166367513c | 199 | void C12832_LCD::copy_to_lcd(void) |
Reichi19 | 0:5c166367513c | 200 | { |
Reichi19 | 0:5c166367513c | 201 | #ifndef TARGET_LPC1768 |
Reichi19 | 0:5c166367513c | 202 | int i; |
Reichi19 | 0:5c166367513c | 203 | #endif |
Reichi19 | 0:5c166367513c | 204 | //page 0 |
Reichi19 | 0:5c166367513c | 205 | wr_cmd(0x00); // set column low nibble 0 |
Reichi19 | 0:5c166367513c | 206 | wr_cmd(0x10); // set column hi nibble 0 |
Reichi19 | 0:5c166367513c | 207 | wr_cmd(0xB0); // set page address 0 |
Reichi19 | 0:5c166367513c | 208 | _A0 = 1; |
Reichi19 | 0:5c166367513c | 209 | #if defined TARGET_LPC1768 |
Reichi19 | 0:5c166367513c | 210 | _CS = 0; |
Reichi19 | 0:5c166367513c | 211 | // start 128 byte DMA transfer to SPI1 |
Reichi19 | 0:5c166367513c | 212 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
Reichi19 | 0:5c166367513c | 213 | LPC_SSP1->DMACR = 0x2; // Enable SSP1 for DMA. |
Reichi19 | 0:5c166367513c | 214 | LPC_GPDMA->DMACIntTCClear = 0x1; |
Reichi19 | 0:5c166367513c | 215 | LPC_GPDMA->DMACIntErrClr = 0x1; |
Reichi19 | 0:5c166367513c | 216 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer); |
Reichi19 | 0:5c166367513c | 217 | LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt |
Reichi19 | 0:5c166367513c | 218 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX; |
Reichi19 | 0:5c166367513c | 219 | LPC_GPDMA->DMACSoftSReq = 0x1; |
Reichi19 | 0:5c166367513c | 220 | do { |
Reichi19 | 0:5c166367513c | 221 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
Reichi19 | 0:5c166367513c | 222 | do { |
Reichi19 | 0:5c166367513c | 223 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
Reichi19 | 0:5c166367513c | 224 | _CS = 1; |
Reichi19 | 0:5c166367513c | 225 | #else // no DMA |
Reichi19 | 0:5c166367513c | 226 | for(i=0;i<128;i++){ |
Reichi19 | 0:5c166367513c | 227 | wr_dat(buffer[i]); |
Reichi19 | 0:5c166367513c | 228 | } |
Reichi19 | 0:5c166367513c | 229 | #endif |
Reichi19 | 0:5c166367513c | 230 | |
Reichi19 | 0:5c166367513c | 231 | // page 1 |
Reichi19 | 0:5c166367513c | 232 | wr_cmd(0x00); // set column low nibble 0 |
Reichi19 | 0:5c166367513c | 233 | wr_cmd(0x10); // set column hi nibble 0 |
Reichi19 | 0:5c166367513c | 234 | wr_cmd(0xB1); // set page address 1 |
Reichi19 | 0:5c166367513c | 235 | _A0 = 1; |
Reichi19 | 0:5c166367513c | 236 | #if defined TARGET_LPC1768 |
Reichi19 | 0:5c166367513c | 237 | _CS = 0; |
Reichi19 | 0:5c166367513c | 238 | // start 128 byte DMA transfer to SPI1 |
Reichi19 | 0:5c166367513c | 239 | LPC_GPDMA->DMACIntTCClear = 0x1; |
Reichi19 | 0:5c166367513c | 240 | LPC_GPDMA->DMACIntErrClr = 0x1; |
Reichi19 | 0:5c166367513c | 241 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 128); |
Reichi19 | 0:5c166367513c | 242 | LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt |
Reichi19 | 0:5c166367513c | 243 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX; |
Reichi19 | 0:5c166367513c | 244 | LPC_GPDMA->DMACSoftSReq = 0x1; |
Reichi19 | 0:5c166367513c | 245 | do { |
Reichi19 | 0:5c166367513c | 246 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
Reichi19 | 0:5c166367513c | 247 | do { |
Reichi19 | 0:5c166367513c | 248 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
Reichi19 | 0:5c166367513c | 249 | _CS = 1; |
Reichi19 | 0:5c166367513c | 250 | #else // no DMA |
Reichi19 | 0:5c166367513c | 251 | for(i=128;i<256;i++){ |
Reichi19 | 0:5c166367513c | 252 | wr_dat(buffer[i]); |
Reichi19 | 0:5c166367513c | 253 | } |
Reichi19 | 0:5c166367513c | 254 | #endif |
Reichi19 | 0:5c166367513c | 255 | |
Reichi19 | 0:5c166367513c | 256 | //page 2 |
Reichi19 | 0:5c166367513c | 257 | wr_cmd(0x00); // set column low nibble 0 |
Reichi19 | 0:5c166367513c | 258 | wr_cmd(0x10); // set column hi nibble 0 |
Reichi19 | 0:5c166367513c | 259 | wr_cmd(0xB2); // set page address 2 |
Reichi19 | 0:5c166367513c | 260 | _A0 = 1; |
Reichi19 | 0:5c166367513c | 261 | #if defined TARGET_LPC1768 |
Reichi19 | 0:5c166367513c | 262 | _CS = 0; |
Reichi19 | 0:5c166367513c | 263 | // start 128 byte DMA transfer to SPI1 |
Reichi19 | 0:5c166367513c | 264 | LPC_GPDMA->DMACIntTCClear = 0x1; |
Reichi19 | 0:5c166367513c | 265 | LPC_GPDMA->DMACIntErrClr = 0x1; |
Reichi19 | 0:5c166367513c | 266 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 256); |
Reichi19 | 0:5c166367513c | 267 | LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt |
Reichi19 | 0:5c166367513c | 268 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX ; |
Reichi19 | 0:5c166367513c | 269 | LPC_GPDMA->DMACSoftSReq = 0x1; |
Reichi19 | 0:5c166367513c | 270 | do { |
Reichi19 | 0:5c166367513c | 271 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
Reichi19 | 0:5c166367513c | 272 | do { |
Reichi19 | 0:5c166367513c | 273 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
Reichi19 | 0:5c166367513c | 274 | _CS = 1; |
Reichi19 | 0:5c166367513c | 275 | #else // no DMA |
Reichi19 | 0:5c166367513c | 276 | for(i=256;i<384;i++){ |
Reichi19 | 0:5c166367513c | 277 | wr_dat(buffer[i]); |
Reichi19 | 0:5c166367513c | 278 | } |
Reichi19 | 0:5c166367513c | 279 | #endif |
Reichi19 | 0:5c166367513c | 280 | |
Reichi19 | 0:5c166367513c | 281 | //page 3 |
Reichi19 | 0:5c166367513c | 282 | wr_cmd(0x00); // set column low nibble 0 |
Reichi19 | 0:5c166367513c | 283 | wr_cmd(0x10); // set column hi nibble 0 |
Reichi19 | 0:5c166367513c | 284 | wr_cmd(0xB3); // set page address 3 |
Reichi19 | 0:5c166367513c | 285 | _A0 = 1; |
Reichi19 | 0:5c166367513c | 286 | |
Reichi19 | 0:5c166367513c | 287 | _CS = 0; |
Reichi19 | 0:5c166367513c | 288 | #if defined TARGET_LPC1768 |
Reichi19 | 0:5c166367513c | 289 | // start 128 byte DMA transfer to SPI1 |
Reichi19 | 0:5c166367513c | 290 | LPC_GPDMA->DMACIntTCClear = 0x1; |
Reichi19 | 0:5c166367513c | 291 | LPC_GPDMA->DMACIntErrClr = 0x1; |
Reichi19 | 0:5c166367513c | 292 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + 384); |
Reichi19 | 0:5c166367513c | 293 | LPC_GPDMACH0->DMACCControl = 128 | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 8 bit transfer , address increment, interrupt |
Reichi19 | 0:5c166367513c | 294 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | DMA_DEST_SSP1_TX; |
Reichi19 | 0:5c166367513c | 295 | LPC_GPDMA->DMACSoftSReq = 0x1; |
Reichi19 | 0:5c166367513c | 296 | do { |
Reichi19 | 0:5c166367513c | 297 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
Reichi19 | 0:5c166367513c | 298 | do { |
Reichi19 | 0:5c166367513c | 299 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
Reichi19 | 0:5c166367513c | 300 | _CS = 1; |
Reichi19 | 0:5c166367513c | 301 | #else // no DMA |
Reichi19 | 0:5c166367513c | 302 | for(i=384;i<512;i++){ |
Reichi19 | 0:5c166367513c | 303 | wr_dat(buffer[i]); |
Reichi19 | 0:5c166367513c | 304 | } |
Reichi19 | 0:5c166367513c | 305 | #endif |
Reichi19 | 0:5c166367513c | 306 | } |
Reichi19 | 0:5c166367513c | 307 | |
Reichi19 | 0:5c166367513c | 308 | void C12832_LCD::cls(void) |
Reichi19 | 0:5c166367513c | 309 | { |
Reichi19 | 0:5c166367513c | 310 | memset(buffer,0x00,512); // clear display buffer |
Reichi19 | 0:5c166367513c | 311 | copy_to_lcd(); |
Reichi19 | 0:5c166367513c | 312 | } |
Reichi19 | 0:5c166367513c | 313 | |
Reichi19 | 0:5c166367513c | 314 | |
Reichi19 | 0:5c166367513c | 315 | void C12832_LCD::line(int x0, int y0, int x1, int y1, int color) |
Reichi19 | 0:5c166367513c | 316 | { |
Reichi19 | 0:5c166367513c | 317 | int dx = 0, dy = 0; |
Reichi19 | 0:5c166367513c | 318 | int dx_sym = 0, dy_sym = 0; |
Reichi19 | 0:5c166367513c | 319 | int dx_x2 = 0, dy_x2 = 0; |
Reichi19 | 0:5c166367513c | 320 | int di = 0; |
Reichi19 | 0:5c166367513c | 321 | |
Reichi19 | 0:5c166367513c | 322 | dx = x1-x0; |
Reichi19 | 0:5c166367513c | 323 | dy = y1-y0; |
Reichi19 | 0:5c166367513c | 324 | |
Reichi19 | 0:5c166367513c | 325 | // if (dx == 0) { /* vertical line */ |
Reichi19 | 0:5c166367513c | 326 | // if (y1 > y0) vline(x0,y0,y1,color); |
Reichi19 | 0:5c166367513c | 327 | // else vline(x0,y1,y0,color); |
Reichi19 | 0:5c166367513c | 328 | // return; |
Reichi19 | 0:5c166367513c | 329 | // } |
Reichi19 | 0:5c166367513c | 330 | |
Reichi19 | 0:5c166367513c | 331 | if (dx > 0) { |
Reichi19 | 0:5c166367513c | 332 | dx_sym = 1; |
Reichi19 | 0:5c166367513c | 333 | } else { |
Reichi19 | 0:5c166367513c | 334 | dx_sym = -1; |
Reichi19 | 0:5c166367513c | 335 | } |
Reichi19 | 0:5c166367513c | 336 | // if (dy == 0) { /* horizontal line */ |
Reichi19 | 0:5c166367513c | 337 | // if (x1 > x0) hline(x0,x1,y0,color); |
Reichi19 | 0:5c166367513c | 338 | // else hline(x1,x0,y0,color); |
Reichi19 | 0:5c166367513c | 339 | // return; |
Reichi19 | 0:5c166367513c | 340 | // } |
Reichi19 | 0:5c166367513c | 341 | |
Reichi19 | 0:5c166367513c | 342 | if (dy > 0) { |
Reichi19 | 0:5c166367513c | 343 | dy_sym = 1; |
Reichi19 | 0:5c166367513c | 344 | } else { |
Reichi19 | 0:5c166367513c | 345 | dy_sym = -1; |
Reichi19 | 0:5c166367513c | 346 | } |
Reichi19 | 0:5c166367513c | 347 | |
Reichi19 | 0:5c166367513c | 348 | dx = dx_sym*dx; |
Reichi19 | 0:5c166367513c | 349 | dy = dy_sym*dy; |
Reichi19 | 0:5c166367513c | 350 | |
Reichi19 | 0:5c166367513c | 351 | dx_x2 = dx*2; |
Reichi19 | 0:5c166367513c | 352 | dy_x2 = dy*2; |
Reichi19 | 0:5c166367513c | 353 | |
Reichi19 | 0:5c166367513c | 354 | if (dx >= dy) { |
Reichi19 | 0:5c166367513c | 355 | di = dy_x2 - dx; |
Reichi19 | 0:5c166367513c | 356 | while (x0 != x1) { |
Reichi19 | 0:5c166367513c | 357 | |
Reichi19 | 0:5c166367513c | 358 | pixel(x0, y0, color); |
Reichi19 | 0:5c166367513c | 359 | x0 += dx_sym; |
Reichi19 | 0:5c166367513c | 360 | if (di<0) { |
Reichi19 | 0:5c166367513c | 361 | di += dy_x2; |
Reichi19 | 0:5c166367513c | 362 | } else { |
Reichi19 | 0:5c166367513c | 363 | di += dy_x2 - dx_x2; |
Reichi19 | 0:5c166367513c | 364 | y0 += dy_sym; |
Reichi19 | 0:5c166367513c | 365 | } |
Reichi19 | 0:5c166367513c | 366 | } |
Reichi19 | 0:5c166367513c | 367 | pixel(x0, y0, color); |
Reichi19 | 0:5c166367513c | 368 | } else { |
Reichi19 | 0:5c166367513c | 369 | di = dx_x2 - dy; |
Reichi19 | 0:5c166367513c | 370 | while (y0 != y1) { |
Reichi19 | 0:5c166367513c | 371 | pixel(x0, y0, color); |
Reichi19 | 0:5c166367513c | 372 | y0 += dy_sym; |
Reichi19 | 0:5c166367513c | 373 | if (di < 0) { |
Reichi19 | 0:5c166367513c | 374 | di += dx_x2; |
Reichi19 | 0:5c166367513c | 375 | } else { |
Reichi19 | 0:5c166367513c | 376 | di += dx_x2 - dy_x2; |
Reichi19 | 0:5c166367513c | 377 | x0 += dx_sym; |
Reichi19 | 0:5c166367513c | 378 | } |
Reichi19 | 0:5c166367513c | 379 | } |
Reichi19 | 0:5c166367513c | 380 | pixel(x0, y0, color); |
Reichi19 | 0:5c166367513c | 381 | } |
Reichi19 | 0:5c166367513c | 382 | if(auto_up) copy_to_lcd(); |
Reichi19 | 0:5c166367513c | 383 | } |
Reichi19 | 0:5c166367513c | 384 | |
Reichi19 | 0:5c166367513c | 385 | void C12832_LCD::rect(int x0, int y0, int x1, int y1, int color) |
Reichi19 | 0:5c166367513c | 386 | { |
Reichi19 | 0:5c166367513c | 387 | |
Reichi19 | 0:5c166367513c | 388 | if (x1 > x0) line(x0,y0,x1,y0,color); |
Reichi19 | 0:5c166367513c | 389 | else line(x1,y0,x0,y0,color); |
Reichi19 | 0:5c166367513c | 390 | |
Reichi19 | 0:5c166367513c | 391 | if (y1 > y0) line(x0,y0,x0,y1,color); |
Reichi19 | 0:5c166367513c | 392 | else line(x0,y1,x0,y0,color); |
Reichi19 | 0:5c166367513c | 393 | |
Reichi19 | 0:5c166367513c | 394 | if (x1 > x0) line(x0,y1,x1,y1,color); |
Reichi19 | 0:5c166367513c | 395 | else line(x1,y1,x0,y1,color); |
Reichi19 | 0:5c166367513c | 396 | |
Reichi19 | 0:5c166367513c | 397 | if (y1 > y0) line(x1,y0,x1,y1,color); |
Reichi19 | 0:5c166367513c | 398 | else line(x1,y1,x1,y0,color); |
Reichi19 | 0:5c166367513c | 399 | |
Reichi19 | 0:5c166367513c | 400 | if(auto_up) copy_to_lcd(); |
Reichi19 | 0:5c166367513c | 401 | } |
Reichi19 | 0:5c166367513c | 402 | |
Reichi19 | 0:5c166367513c | 403 | void C12832_LCD::fillrect(int x0, int y0, int x1, int y1, int color) |
Reichi19 | 0:5c166367513c | 404 | { |
Reichi19 | 0:5c166367513c | 405 | int l,c,i; |
Reichi19 | 0:5c166367513c | 406 | if(x0 > x1) { |
Reichi19 | 0:5c166367513c | 407 | i = x0; |
Reichi19 | 0:5c166367513c | 408 | x0 = x1; |
Reichi19 | 0:5c166367513c | 409 | x1 = i; |
Reichi19 | 0:5c166367513c | 410 | } |
Reichi19 | 0:5c166367513c | 411 | |
Reichi19 | 0:5c166367513c | 412 | if(y0 > y1) { |
Reichi19 | 0:5c166367513c | 413 | i = y0; |
Reichi19 | 0:5c166367513c | 414 | y0 = y1; |
Reichi19 | 0:5c166367513c | 415 | y1 = i; |
Reichi19 | 0:5c166367513c | 416 | } |
Reichi19 | 0:5c166367513c | 417 | |
Reichi19 | 0:5c166367513c | 418 | for(l = x0; l<= x1; l ++) { |
Reichi19 | 0:5c166367513c | 419 | for(c = y0; c<= y1; c++) { |
Reichi19 | 0:5c166367513c | 420 | pixel(l,c,color); |
Reichi19 | 0:5c166367513c | 421 | } |
Reichi19 | 0:5c166367513c | 422 | } |
Reichi19 | 0:5c166367513c | 423 | if(auto_up) copy_to_lcd(); |
Reichi19 | 0:5c166367513c | 424 | } |
Reichi19 | 0:5c166367513c | 425 | |
Reichi19 | 0:5c166367513c | 426 | |
Reichi19 | 0:5c166367513c | 427 | |
Reichi19 | 0:5c166367513c | 428 | void C12832_LCD::circle(int x0, int y0, int r, int color) |
Reichi19 | 0:5c166367513c | 429 | { |
Reichi19 | 0:5c166367513c | 430 | |
Reichi19 | 0:5c166367513c | 431 | int draw_x0, draw_y0; |
Reichi19 | 0:5c166367513c | 432 | int draw_x1, draw_y1; |
Reichi19 | 0:5c166367513c | 433 | int draw_x2, draw_y2; |
Reichi19 | 0:5c166367513c | 434 | int draw_x3, draw_y3; |
Reichi19 | 0:5c166367513c | 435 | int draw_x4, draw_y4; |
Reichi19 | 0:5c166367513c | 436 | int draw_x5, draw_y5; |
Reichi19 | 0:5c166367513c | 437 | int draw_x6, draw_y6; |
Reichi19 | 0:5c166367513c | 438 | int draw_x7, draw_y7; |
Reichi19 | 0:5c166367513c | 439 | int xx, yy; |
Reichi19 | 0:5c166367513c | 440 | int di; |
Reichi19 | 0:5c166367513c | 441 | //WindowMax(); |
Reichi19 | 0:5c166367513c | 442 | if (r == 0) { /* no radius */ |
Reichi19 | 0:5c166367513c | 443 | return; |
Reichi19 | 0:5c166367513c | 444 | } |
Reichi19 | 0:5c166367513c | 445 | |
Reichi19 | 0:5c166367513c | 446 | draw_x0 = draw_x1 = x0; |
Reichi19 | 0:5c166367513c | 447 | draw_y0 = draw_y1 = y0 + r; |
Reichi19 | 0:5c166367513c | 448 | if (draw_y0 < height()) { |
Reichi19 | 0:5c166367513c | 449 | pixel(draw_x0, draw_y0, color); /* 90 degree */ |
Reichi19 | 0:5c166367513c | 450 | } |
Reichi19 | 0:5c166367513c | 451 | |
Reichi19 | 0:5c166367513c | 452 | draw_x2 = draw_x3 = x0; |
Reichi19 | 0:5c166367513c | 453 | draw_y2 = draw_y3 = y0 - r; |
Reichi19 | 0:5c166367513c | 454 | if (draw_y2 >= 0) { |
Reichi19 | 0:5c166367513c | 455 | pixel(draw_x2, draw_y2, color); /* 270 degree */ |
Reichi19 | 0:5c166367513c | 456 | } |
Reichi19 | 0:5c166367513c | 457 | |
Reichi19 | 0:5c166367513c | 458 | draw_x4 = draw_x6 = x0 + r; |
Reichi19 | 0:5c166367513c | 459 | draw_y4 = draw_y6 = y0; |
Reichi19 | 0:5c166367513c | 460 | if (draw_x4 < width()) { |
Reichi19 | 0:5c166367513c | 461 | pixel(draw_x4, draw_y4, color); /* 0 degree */ |
Reichi19 | 0:5c166367513c | 462 | } |
Reichi19 | 0:5c166367513c | 463 | |
Reichi19 | 0:5c166367513c | 464 | draw_x5 = draw_x7 = x0 - r; |
Reichi19 | 0:5c166367513c | 465 | draw_y5 = draw_y7 = y0; |
Reichi19 | 0:5c166367513c | 466 | if (draw_x5>=0) { |
Reichi19 | 0:5c166367513c | 467 | pixel(draw_x5, draw_y5, color); /* 180 degree */ |
Reichi19 | 0:5c166367513c | 468 | } |
Reichi19 | 0:5c166367513c | 469 | |
Reichi19 | 0:5c166367513c | 470 | if (r == 1) { |
Reichi19 | 0:5c166367513c | 471 | return; |
Reichi19 | 0:5c166367513c | 472 | } |
Reichi19 | 0:5c166367513c | 473 | |
Reichi19 | 0:5c166367513c | 474 | di = 3 - 2*r; |
Reichi19 | 0:5c166367513c | 475 | xx = 0; |
Reichi19 | 0:5c166367513c | 476 | yy = r; |
Reichi19 | 0:5c166367513c | 477 | while (xx < yy) { |
Reichi19 | 0:5c166367513c | 478 | |
Reichi19 | 0:5c166367513c | 479 | if (di < 0) { |
Reichi19 | 0:5c166367513c | 480 | di += 4*xx + 6; |
Reichi19 | 0:5c166367513c | 481 | } else { |
Reichi19 | 0:5c166367513c | 482 | di += 4*(xx - yy) + 10; |
Reichi19 | 0:5c166367513c | 483 | yy--; |
Reichi19 | 0:5c166367513c | 484 | draw_y0--; |
Reichi19 | 0:5c166367513c | 485 | draw_y1--; |
Reichi19 | 0:5c166367513c | 486 | draw_y2++; |
Reichi19 | 0:5c166367513c | 487 | draw_y3++; |
Reichi19 | 0:5c166367513c | 488 | draw_x4--; |
Reichi19 | 0:5c166367513c | 489 | draw_x5++; |
Reichi19 | 0:5c166367513c | 490 | draw_x6--; |
Reichi19 | 0:5c166367513c | 491 | draw_x7++; |
Reichi19 | 0:5c166367513c | 492 | } |
Reichi19 | 0:5c166367513c | 493 | xx++; |
Reichi19 | 0:5c166367513c | 494 | draw_x0++; |
Reichi19 | 0:5c166367513c | 495 | draw_x1--; |
Reichi19 | 0:5c166367513c | 496 | draw_x2++; |
Reichi19 | 0:5c166367513c | 497 | draw_x3--; |
Reichi19 | 0:5c166367513c | 498 | draw_y4++; |
Reichi19 | 0:5c166367513c | 499 | draw_y5++; |
Reichi19 | 0:5c166367513c | 500 | draw_y6--; |
Reichi19 | 0:5c166367513c | 501 | draw_y7--; |
Reichi19 | 0:5c166367513c | 502 | |
Reichi19 | 0:5c166367513c | 503 | if ( (draw_x0 <= width()) && (draw_y0>=0) ) { |
Reichi19 | 0:5c166367513c | 504 | pixel(draw_x0, draw_y0, color); |
Reichi19 | 0:5c166367513c | 505 | } |
Reichi19 | 0:5c166367513c | 506 | |
Reichi19 | 0:5c166367513c | 507 | if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) { |
Reichi19 | 0:5c166367513c | 508 | pixel(draw_x1, draw_y1, color); |
Reichi19 | 0:5c166367513c | 509 | } |
Reichi19 | 0:5c166367513c | 510 | |
Reichi19 | 0:5c166367513c | 511 | if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) { |
Reichi19 | 0:5c166367513c | 512 | pixel(draw_x2, draw_y2, color); |
Reichi19 | 0:5c166367513c | 513 | } |
Reichi19 | 0:5c166367513c | 514 | |
Reichi19 | 0:5c166367513c | 515 | if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) { |
Reichi19 | 0:5c166367513c | 516 | pixel(draw_x3, draw_y3, color); |
Reichi19 | 0:5c166367513c | 517 | } |
Reichi19 | 0:5c166367513c | 518 | |
Reichi19 | 0:5c166367513c | 519 | if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) { |
Reichi19 | 0:5c166367513c | 520 | pixel(draw_x4, draw_y4, color); |
Reichi19 | 0:5c166367513c | 521 | } |
Reichi19 | 0:5c166367513c | 522 | |
Reichi19 | 0:5c166367513c | 523 | if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) { |
Reichi19 | 0:5c166367513c | 524 | pixel(draw_x5, draw_y5, color); |
Reichi19 | 0:5c166367513c | 525 | } |
Reichi19 | 0:5c166367513c | 526 | if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) { |
Reichi19 | 0:5c166367513c | 527 | pixel(draw_x6, draw_y6, color); |
Reichi19 | 0:5c166367513c | 528 | } |
Reichi19 | 0:5c166367513c | 529 | if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) { |
Reichi19 | 0:5c166367513c | 530 | pixel(draw_x7, draw_y7, color); |
Reichi19 | 0:5c166367513c | 531 | } |
Reichi19 | 0:5c166367513c | 532 | } |
Reichi19 | 0:5c166367513c | 533 | if(auto_up) copy_to_lcd(); |
Reichi19 | 0:5c166367513c | 534 | } |
Reichi19 | 0:5c166367513c | 535 | |
Reichi19 | 0:5c166367513c | 536 | void C12832_LCD::fillcircle(int x, int y, int r, int color) |
Reichi19 | 0:5c166367513c | 537 | { |
Reichi19 | 0:5c166367513c | 538 | int i,up; |
Reichi19 | 0:5c166367513c | 539 | up = auto_up; |
Reichi19 | 0:5c166367513c | 540 | auto_up = 0; // off |
Reichi19 | 0:5c166367513c | 541 | for (i = 0; i <= r; i++) |
Reichi19 | 0:5c166367513c | 542 | circle(x,y,i,color); |
Reichi19 | 0:5c166367513c | 543 | auto_up = up; |
Reichi19 | 0:5c166367513c | 544 | if(auto_up) copy_to_lcd(); |
Reichi19 | 0:5c166367513c | 545 | } |
Reichi19 | 0:5c166367513c | 546 | |
Reichi19 | 0:5c166367513c | 547 | void C12832_LCD::setmode(int mode) |
Reichi19 | 0:5c166367513c | 548 | { |
Reichi19 | 0:5c166367513c | 549 | draw_mode = mode; |
Reichi19 | 0:5c166367513c | 550 | } |
Reichi19 | 0:5c166367513c | 551 | |
Reichi19 | 0:5c166367513c | 552 | void C12832_LCD::locate(int x, int y) |
Reichi19 | 0:5c166367513c | 553 | { |
Reichi19 | 0:5c166367513c | 554 | char_x = x; |
Reichi19 | 0:5c166367513c | 555 | char_y = y; |
Reichi19 | 0:5c166367513c | 556 | } |
Reichi19 | 0:5c166367513c | 557 | |
Reichi19 | 0:5c166367513c | 558 | |
Reichi19 | 0:5c166367513c | 559 | |
Reichi19 | 0:5c166367513c | 560 | int C12832_LCD::columns() |
Reichi19 | 0:5c166367513c | 561 | { |
Reichi19 | 0:5c166367513c | 562 | return width() / font[1]; |
Reichi19 | 0:5c166367513c | 563 | } |
Reichi19 | 0:5c166367513c | 564 | |
Reichi19 | 0:5c166367513c | 565 | |
Reichi19 | 0:5c166367513c | 566 | |
Reichi19 | 0:5c166367513c | 567 | int C12832_LCD::rows() |
Reichi19 | 0:5c166367513c | 568 | { |
Reichi19 | 0:5c166367513c | 569 | return height() / font[2]; |
Reichi19 | 0:5c166367513c | 570 | } |
Reichi19 | 0:5c166367513c | 571 | |
Reichi19 | 0:5c166367513c | 572 | |
Reichi19 | 0:5c166367513c | 573 | |
Reichi19 | 0:5c166367513c | 574 | int C12832_LCD::_putc(int value) |
Reichi19 | 0:5c166367513c | 575 | { |
Reichi19 | 0:5c166367513c | 576 | if (value == '\n') { // new line |
Reichi19 | 0:5c166367513c | 577 | char_x = 0; |
Reichi19 | 0:5c166367513c | 578 | char_y = char_y + font[2]; |
Reichi19 | 0:5c166367513c | 579 | if (char_y >= height() - font[2]) { |
Reichi19 | 0:5c166367513c | 580 | char_y = 0; |
Reichi19 | 0:5c166367513c | 581 | } |
Reichi19 | 0:5c166367513c | 582 | } else { |
Reichi19 | 0:5c166367513c | 583 | character(char_x, char_y, value); |
Reichi19 | 0:5c166367513c | 584 | if(auto_up) copy_to_lcd(); |
Reichi19 | 0:5c166367513c | 585 | } |
Reichi19 | 0:5c166367513c | 586 | return value; |
Reichi19 | 0:5c166367513c | 587 | } |
Reichi19 | 0:5c166367513c | 588 | |
Reichi19 | 0:5c166367513c | 589 | void C12832_LCD::character(int x, int y, int c) |
Reichi19 | 0:5c166367513c | 590 | { |
Reichi19 | 0:5c166367513c | 591 | unsigned int hor,vert,offset,bpl,j,i,b; |
Reichi19 | 0:5c166367513c | 592 | unsigned char* zeichen; |
Reichi19 | 0:5c166367513c | 593 | unsigned char z,w; |
Reichi19 | 0:5c166367513c | 594 | |
Reichi19 | 0:5c166367513c | 595 | if ((c < 31) || (c > 127)) return; // test char range |
Reichi19 | 0:5c166367513c | 596 | |
Reichi19 | 0:5c166367513c | 597 | // read font parameter from start of array |
Reichi19 | 0:5c166367513c | 598 | offset = font[0]; // bytes / char |
Reichi19 | 0:5c166367513c | 599 | hor = font[1]; // get hor size of font |
Reichi19 | 0:5c166367513c | 600 | vert = font[2]; // get vert size of font |
Reichi19 | 0:5c166367513c | 601 | bpl = font[3]; // bytes per line |
Reichi19 | 0:5c166367513c | 602 | |
Reichi19 | 0:5c166367513c | 603 | if (char_x + hor > width()) { |
Reichi19 | 0:5c166367513c | 604 | char_x = 0; |
Reichi19 | 0:5c166367513c | 605 | char_y = char_y + vert; |
Reichi19 | 0:5c166367513c | 606 | if (char_y >= height() - font[2]) { |
Reichi19 | 0:5c166367513c | 607 | char_y = 0; |
Reichi19 | 0:5c166367513c | 608 | } |
Reichi19 | 0:5c166367513c | 609 | } |
Reichi19 | 0:5c166367513c | 610 | |
Reichi19 | 0:5c166367513c | 611 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
Reichi19 | 0:5c166367513c | 612 | w = zeichen[0]; // width of actual char |
Reichi19 | 0:5c166367513c | 613 | // construct the char into the buffer |
Reichi19 | 0:5c166367513c | 614 | for (j=0; j<vert; j++) { // vert line |
Reichi19 | 0:5c166367513c | 615 | for (i=0; i<hor; i++) { // horz line |
Reichi19 | 0:5c166367513c | 616 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
Reichi19 | 0:5c166367513c | 617 | b = 1 << (j & 0x07); |
Reichi19 | 0:5c166367513c | 618 | if (( z & b ) == 0x00) { |
Reichi19 | 0:5c166367513c | 619 | pixel(x+i,y+j,0); |
Reichi19 | 0:5c166367513c | 620 | } else { |
Reichi19 | 0:5c166367513c | 621 | pixel(x+i,y+j,1); |
Reichi19 | 0:5c166367513c | 622 | } |
Reichi19 | 0:5c166367513c | 623 | |
Reichi19 | 0:5c166367513c | 624 | } |
Reichi19 | 0:5c166367513c | 625 | } |
Reichi19 | 0:5c166367513c | 626 | |
Reichi19 | 0:5c166367513c | 627 | char_x += w; |
Reichi19 | 0:5c166367513c | 628 | } |
Reichi19 | 0:5c166367513c | 629 | |
Reichi19 | 0:5c166367513c | 630 | |
Reichi19 | 0:5c166367513c | 631 | void C12832_LCD::set_font(unsigned char* f) |
Reichi19 | 0:5c166367513c | 632 | { |
Reichi19 | 0:5c166367513c | 633 | font = f; |
Reichi19 | 0:5c166367513c | 634 | } |
Reichi19 | 0:5c166367513c | 635 | |
Reichi19 | 0:5c166367513c | 636 | void C12832_LCD::set_auto_up(unsigned int up) |
Reichi19 | 0:5c166367513c | 637 | { |
Reichi19 | 0:5c166367513c | 638 | if(up ) auto_up = 1; |
Reichi19 | 0:5c166367513c | 639 | } |
Reichi19 | 0:5c166367513c | 640 | |
Reichi19 | 0:5c166367513c | 641 | unsigned int C12832_LCD::get_auto_up(void){ |
Reichi19 | 0:5c166367513c | 642 | return (auto_up); |
Reichi19 | 0:5c166367513c | 643 | } |
Reichi19 | 0:5c166367513c | 644 | |
Reichi19 | 0:5c166367513c | 645 |