N5110 Library for "Racing Cars" Game
Fork of N5110 by
N5110.cpp@20:a6fc42d720c2, 2015-05-02 (annotated)
- Committer:
- el13gs
- Date:
- Sat May 02 17:31:53 2015 +0000
- Revision:
- 20:a6fc42d720c2
- Parent:
- 19:cf23186a762f
- Child:
- 21:ae05483c1767
Good Working Version 2
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
eencae | 5:6ea180eef702 | 1 | /** |
eencae | 5:6ea180eef702 | 2 | @file N5110.cpp |
eencae | 5:6ea180eef702 | 3 | |
eencae | 5:6ea180eef702 | 4 | @brief Member functions implementations |
eencae | 5:6ea180eef702 | 5 | |
eencae | 5:6ea180eef702 | 6 | */ |
eencae | 0:d563e74f0ae9 | 7 | #include "mbed.h" |
eencae | 0:d563e74f0ae9 | 8 | #include "N5110.h" |
eencae | 0:d563e74f0ae9 | 9 | |
eencae | 2:e93021cfb0a9 | 10 | |
eencae | 1:df68f34cd32d | 11 | N5110::N5110(PinName pwrPin, PinName scePin, PinName rstPin, PinName dcPin, PinName mosiPin, PinName sclkPin, PinName ledPin) |
eencae | 0:d563e74f0ae9 | 12 | { |
eencae | 13:908644099648 | 13 | |
eencae | 0:d563e74f0ae9 | 14 | spi = new SPI(mosiPin,NC,sclkPin); // create new SPI instance and initialise |
eencae | 13:908644099648 | 15 | initSPI(); |
eencae | 13:908644099648 | 16 | |
eencae | 6:adb79338d40f | 17 | // set up pins as required |
eencae | 0:d563e74f0ae9 | 18 | led = new PwmOut(ledPin); |
eencae | 0:d563e74f0ae9 | 19 | pwr = new DigitalOut(pwrPin); |
eencae | 0:d563e74f0ae9 | 20 | sce = new DigitalOut(scePin); |
eencae | 0:d563e74f0ae9 | 21 | rst = new DigitalOut(rstPin); |
eencae | 0:d563e74f0ae9 | 22 | dc = new DigitalOut(dcPin); |
eencae | 0:d563e74f0ae9 | 23 | |
eencae | 0:d563e74f0ae9 | 24 | } |
eencae | 0:d563e74f0ae9 | 25 | |
eencae | 6:adb79338d40f | 26 | // initialise function - powers up and sends the initialisation commands |
eencae | 0:d563e74f0ae9 | 27 | void N5110::init() |
eencae | 0:d563e74f0ae9 | 28 | { |
eencae | 6:adb79338d40f | 29 | turnOn(); // power up |
eencae | 6:adb79338d40f | 30 | wait_ms(10); // small delay seems to prevent spurious pixels during mbed reset |
eencae | 6:adb79338d40f | 31 | reset(); // reset LCD - must be done within 100 ms |
eencae | 0:d563e74f0ae9 | 32 | |
eencae | 0:d563e74f0ae9 | 33 | // function set - extended |
eencae | 0:d563e74f0ae9 | 34 | sendCommand(0x20 | CMD_FS_ACTIVE_MODE | CMD_FS_HORIZONTAL_MODE | CMD_FS_EXTENDED_MODE); |
eencae | 6:adb79338d40f | 35 | // Don't completely understand these parameters - they seem to work as they are |
eencae | 6:adb79338d40f | 36 | // Consult the datasheet if you need to change them |
eencae | 1:df68f34cd32d | 37 | sendCommand(CMD_VOP_7V38); // operating voltage - these values are from Chris Yan's Library |
eencae | 0:d563e74f0ae9 | 38 | sendCommand(CMD_TC_TEMP_2); // temperature control |
eencae | 0:d563e74f0ae9 | 39 | sendCommand(CMD_BI_MUX_48); // bias |
eencae | 0:d563e74f0ae9 | 40 | |
eencae | 0:d563e74f0ae9 | 41 | // function set - basic |
eencae | 0:d563e74f0ae9 | 42 | sendCommand(0x20 | CMD_FS_ACTIVE_MODE | CMD_FS_HORIZONTAL_MODE | CMD_FS_BASIC_MODE); |
eencae | 1:df68f34cd32d | 43 | normalMode(); // normal video mode by default |
eencae | 0:d563e74f0ae9 | 44 | sendCommand(CMD_DC_NORMAL_MODE); // black on white |
eencae | 0:d563e74f0ae9 | 45 | |
eencae | 0:d563e74f0ae9 | 46 | // RAM is undefined at power-up so clear |
eencae | 0:d563e74f0ae9 | 47 | clearRAM(); |
eencae | 0:d563e74f0ae9 | 48 | |
eencae | 0:d563e74f0ae9 | 49 | } |
eencae | 13:908644099648 | 50 | |
eencae | 13:908644099648 | 51 | // sets normal video mode (black on white) |
eencae | 13:908644099648 | 52 | void N5110::normalMode() |
eencae | 13:908644099648 | 53 | { |
eencae | 13:908644099648 | 54 | sendCommand(CMD_DC_NORMAL_MODE); |
eencae | 13:908644099648 | 55 | |
eencae | 1:df68f34cd32d | 56 | } |
eencae | 1:df68f34cd32d | 57 | |
eencae | 13:908644099648 | 58 | // sets normal video mode (white on black) |
eencae | 13:908644099648 | 59 | void N5110::inverseMode() |
eencae | 13:908644099648 | 60 | { |
eencae | 13:908644099648 | 61 | sendCommand(CMD_DC_INVERT_VIDEO); |
eencae | 1:df68f34cd32d | 62 | } |
eencae | 0:d563e74f0ae9 | 63 | |
eencae | 0:d563e74f0ae9 | 64 | // function to power up the LCD and backlight |
eencae | 0:d563e74f0ae9 | 65 | void N5110::turnOn() |
eencae | 0:d563e74f0ae9 | 66 | { |
eencae | 0:d563e74f0ae9 | 67 | // set brightness of LED - 0.0 to 1.0 - default is 50% |
eencae | 0:d563e74f0ae9 | 68 | setBrightness(0.5); |
eencae | 0:d563e74f0ae9 | 69 | pwr->write(1); // apply power |
eencae | 0:d563e74f0ae9 | 70 | } |
eencae | 0:d563e74f0ae9 | 71 | |
eencae | 0:d563e74f0ae9 | 72 | // function to power down LCD |
eencae | 0:d563e74f0ae9 | 73 | void N5110::turnOff() |
eencae | 0:d563e74f0ae9 | 74 | { |
eencae | 0:d563e74f0ae9 | 75 | setBrightness(0.0); // turn backlight off |
eencae | 0:d563e74f0ae9 | 76 | clearRAM(); // clear RAM to ensure specified current consumption |
eencae | 10:6f3abb40202b | 77 | // send command to ensure we are in basic mode |
eencae | 0:d563e74f0ae9 | 78 | sendCommand(0x20 | CMD_FS_ACTIVE_MODE | CMD_FS_HORIZONTAL_MODE | CMD_FS_BASIC_MODE); |
eencae | 6:adb79338d40f | 79 | // clear the display |
eencae | 0:d563e74f0ae9 | 80 | sendCommand(CMD_DC_CLEAR_DISPLAY); |
eencae | 6:adb79338d40f | 81 | // enter the extended mode and power down |
eencae | 0:d563e74f0ae9 | 82 | sendCommand(0x20 | CMD_FS_POWER_DOWN_MODE | CMD_FS_HORIZONTAL_MODE | CMD_FS_EXTENDED_MODE); |
eencae | 6:adb79338d40f | 83 | // small delay and then turn off the power pin |
eencae | 6:adb79338d40f | 84 | wait_ms(10); |
eencae | 0:d563e74f0ae9 | 85 | pwr->write(0); |
eencae | 0:d563e74f0ae9 | 86 | |
eencae | 0:d563e74f0ae9 | 87 | } |
eencae | 0:d563e74f0ae9 | 88 | |
eencae | 0:d563e74f0ae9 | 89 | // function to change LED backlight brightness |
eencae | 0:d563e74f0ae9 | 90 | void N5110::setBrightness(float brightness) |
eencae | 0:d563e74f0ae9 | 91 | { |
eencae | 0:d563e74f0ae9 | 92 | // check whether brightness is within range |
eencae | 0:d563e74f0ae9 | 93 | if (brightness < 0.0) |
eencae | 0:d563e74f0ae9 | 94 | brightness = 0.0; |
eencae | 0:d563e74f0ae9 | 95 | if (brightness > 1.0) |
eencae | 0:d563e74f0ae9 | 96 | brightness = 1.0; |
eencae | 0:d563e74f0ae9 | 97 | // set PWM duty cycle |
eencae | 0:d563e74f0ae9 | 98 | led->write(brightness); |
eencae | 0:d563e74f0ae9 | 99 | } |
eencae | 0:d563e74f0ae9 | 100 | |
eencae | 0:d563e74f0ae9 | 101 | |
eencae | 0:d563e74f0ae9 | 102 | // pulse the active low reset line |
eencae | 0:d563e74f0ae9 | 103 | void N5110::reset() |
eencae | 0:d563e74f0ae9 | 104 | { |
eencae | 0:d563e74f0ae9 | 105 | rst->write(0); // reset the LCD |
eencae | 0:d563e74f0ae9 | 106 | rst->write(1); |
eencae | 0:d563e74f0ae9 | 107 | } |
eencae | 0:d563e74f0ae9 | 108 | |
eencae | 0:d563e74f0ae9 | 109 | // function to initialise SPI peripheral |
eencae | 0:d563e74f0ae9 | 110 | void N5110::initSPI() |
eencae | 0:d563e74f0ae9 | 111 | { |
eencae | 0:d563e74f0ae9 | 112 | spi->format(8,1); // 8 bits, Mode 1 - polarity 0, phase 1 - base value of clock is 0, data captured on falling edge/propagated on rising edge |
eencae | 0:d563e74f0ae9 | 113 | spi->frequency(4000000); // maximum of screen is 4 MHz |
eencae | 0:d563e74f0ae9 | 114 | } |
eencae | 0:d563e74f0ae9 | 115 | |
eencae | 6:adb79338d40f | 116 | // send a command to the display |
eencae | 0:d563e74f0ae9 | 117 | void N5110::sendCommand(unsigned char command) |
eencae | 0:d563e74f0ae9 | 118 | { |
eencae | 0:d563e74f0ae9 | 119 | dc->write(0); // set DC low for command |
eencae | 0:d563e74f0ae9 | 120 | sce->write(0); // set CE low to begin frame |
eencae | 0:d563e74f0ae9 | 121 | spi->write(command); // send command |
eencae | 0:d563e74f0ae9 | 122 | dc->write(1); // turn back to data by default |
eencae | 0:d563e74f0ae9 | 123 | sce->write(1); // set CE high to end frame (expected for transmission of single byte) |
eencae | 0:d563e74f0ae9 | 124 | |
eencae | 0:d563e74f0ae9 | 125 | } |
eencae | 0:d563e74f0ae9 | 126 | |
eencae | 6:adb79338d40f | 127 | // send data to the display at the current XY address |
eencae | 6:adb79338d40f | 128 | // dc is set to 1 (i.e. data) after sending a command and so should |
eencae | 6:adb79338d40f | 129 | // be the default mode. |
eencae | 0:d563e74f0ae9 | 130 | void N5110::sendData(unsigned char data) |
eencae | 0:d563e74f0ae9 | 131 | { |
eencae | 0:d563e74f0ae9 | 132 | sce->write(0); // set CE low to begin frame |
eencae | 0:d563e74f0ae9 | 133 | spi->write(data); |
eencae | 0:d563e74f0ae9 | 134 | sce->write(1); // set CE high to end frame (expected for transmission of single byte) |
eencae | 0:d563e74f0ae9 | 135 | } |
eencae | 0:d563e74f0ae9 | 136 | |
eencae | 0:d563e74f0ae9 | 137 | // this function writes 0 to the 504 bytes to clear the RAM |
eencae | 0:d563e74f0ae9 | 138 | void N5110::clearRAM() |
eencae | 0:d563e74f0ae9 | 139 | { |
eencae | 0:d563e74f0ae9 | 140 | int i; |
eencae | 0:d563e74f0ae9 | 141 | sce->write(0); //set CE low to begin frame |
eencae | 17:780a542d5f8b | 142 | for(i = 0; i < WIDTH * HEIGHT; i++) { // 48 x 84 bits = 504 bytes |
eencae | 0:d563e74f0ae9 | 143 | spi->write(0x00); // send 0's |
eencae | 0:d563e74f0ae9 | 144 | } |
eencae | 0:d563e74f0ae9 | 145 | sce->write(1); // set CE high to end frame |
eencae | 0:d563e74f0ae9 | 146 | |
eencae | 0:d563e74f0ae9 | 147 | } |
eencae | 0:d563e74f0ae9 | 148 | |
eencae | 13:908644099648 | 149 | // function to set the XY address in RAM for subsequenct data write |
eencae | 0:d563e74f0ae9 | 150 | void N5110::setXYAddress(int x, int y) |
eencae | 0:d563e74f0ae9 | 151 | { |
eencae | 17:780a542d5f8b | 152 | if (x>=0 && x<WIDTH && y>=0 && y<HEIGHT) { // check within range |
eencae | 17:780a542d5f8b | 153 | sendCommand(0x80 | x); // send addresses to display with relevant mask |
eencae | 17:780a542d5f8b | 154 | sendCommand(0x40 | y); |
eencae | 17:780a542d5f8b | 155 | } |
eencae | 0:d563e74f0ae9 | 156 | } |
eencae | 0:d563e74f0ae9 | 157 | |
eencae | 6:adb79338d40f | 158 | // These functions are used to set, clear and get the value of pixels in the display |
eencae | 6:adb79338d40f | 159 | // Pixels are addressed in the range of 0 to 47 (y) and 0 to 83 (x). The refresh() |
eencae | 6:adb79338d40f | 160 | // function must be called after set and clear in order to update the display |
eencae | 0:d563e74f0ae9 | 161 | void N5110::setPixel(int x, int y) |
eencae | 0:d563e74f0ae9 | 162 | { |
el13gs | 18:45c3696a1447 | 163 | |
eencae | 17:780a542d5f8b | 164 | if (x>=0 && x<WIDTH && y>=0 && y<HEIGHT) { // check within range |
eencae | 17:780a542d5f8b | 165 | // calculate bank and shift 1 to required position in the data byte |
eencae | 17:780a542d5f8b | 166 | buffer[x][y/8] |= (1 << y%8); |
eencae | 17:780a542d5f8b | 167 | } |
el13gs | 18:45c3696a1447 | 168 | |
eencae | 0:d563e74f0ae9 | 169 | } |
eencae | 0:d563e74f0ae9 | 170 | |
eencae | 0:d563e74f0ae9 | 171 | void N5110::clearPixel(int x, int y) |
eencae | 0:d563e74f0ae9 | 172 | { |
eencae | 17:780a542d5f8b | 173 | if (x>=0 && x<WIDTH && y>=0 && y<HEIGHT) { // check within range |
eencae | 17:780a542d5f8b | 174 | // calculate bank and shift 1 to required position (using bit clear) |
eencae | 17:780a542d5f8b | 175 | buffer[x][y/8] &= ~(1 << y%8); |
eencae | 17:780a542d5f8b | 176 | } |
eencae | 0:d563e74f0ae9 | 177 | } |
eencae | 0:d563e74f0ae9 | 178 | |
eencae | 7:3010f24e0a81 | 179 | int N5110::getPixel(int x, int y) |
eencae | 0:d563e74f0ae9 | 180 | { |
eencae | 17:780a542d5f8b | 181 | if (x>=0 && x<WIDTH && y>=0 && y<HEIGHT) { // check within range |
eencae | 17:780a542d5f8b | 182 | // return relevant bank and mask required bit |
eencae | 17:780a542d5f8b | 183 | return (int) buffer[x][y/8] & (1 << y%8); |
eencae | 17:780a542d5f8b | 184 | } else { |
eencae | 17:780a542d5f8b | 185 | return 0; |
eencae | 17:780a542d5f8b | 186 | } |
eencae | 0:d563e74f0ae9 | 187 | } |
eencae | 0:d563e74f0ae9 | 188 | |
eencae | 6:adb79338d40f | 189 | // function to refresh the display |
eencae | 6:adb79338d40f | 190 | void N5110::refresh() |
eencae | 0:d563e74f0ae9 | 191 | { |
eencae | 0:d563e74f0ae9 | 192 | int i,j; |
eencae | 13:908644099648 | 193 | |
eencae | 7:3010f24e0a81 | 194 | setXYAddress(0,0); // important to set address back to 0,0 before refreshing display |
eencae | 7:3010f24e0a81 | 195 | // address auto increments after printing string, so buffer[0][0] will not coincide |
eencae | 7:3010f24e0a81 | 196 | // with top-left pixel after priting string |
eencae | 13:908644099648 | 197 | |
eencae | 0:d563e74f0ae9 | 198 | sce->write(0); //set CE low to begin frame |
eencae | 0:d563e74f0ae9 | 199 | |
eencae | 17:780a542d5f8b | 200 | for(j = 0; j < BANKS; j++) { // be careful to use correct order (j,i) for horizontal addressing |
eencae | 17:780a542d5f8b | 201 | for(i = 0; i < WIDTH; i++) { |
eencae | 0:d563e74f0ae9 | 202 | spi->write(buffer[i][j]); // send buffer |
eencae | 0:d563e74f0ae9 | 203 | } |
eencae | 0:d563e74f0ae9 | 204 | } |
eencae | 0:d563e74f0ae9 | 205 | sce->write(1); // set CE high to end frame |
eencae | 0:d563e74f0ae9 | 206 | |
eencae | 0:d563e74f0ae9 | 207 | } |
eencae | 0:d563e74f0ae9 | 208 | |
eencae | 6:adb79338d40f | 209 | // fills the buffer with random bytes. Can be used to test the display. |
eencae | 6:adb79338d40f | 210 | // The rand() function isn't seeded so it probably creates the same pattern everytime |
eencae | 0:d563e74f0ae9 | 211 | void N5110::randomiseBuffer() |
eencae | 0:d563e74f0ae9 | 212 | { |
eencae | 0:d563e74f0ae9 | 213 | int i,j; |
eencae | 17:780a542d5f8b | 214 | for(j = 0; j < BANKS; j++) { // be careful to use correct order (j,i) for horizontal addressing |
eencae | 17:780a542d5f8b | 215 | for(i = 0; i < WIDTH; i++) { |
eencae | 0:d563e74f0ae9 | 216 | buffer[i][j] = rand()%256; // generate random byte |
eencae | 0:d563e74f0ae9 | 217 | } |
eencae | 0:d563e74f0ae9 | 218 | } |
eencae | 0:d563e74f0ae9 | 219 | |
eencae | 0:d563e74f0ae9 | 220 | } |
eencae | 0:d563e74f0ae9 | 221 | |
eencae | 0:d563e74f0ae9 | 222 | // function to print 5x7 font |
eencae | 13:908644099648 | 223 | void N5110::printChar(char c,int x,int y) |
eencae | 0:d563e74f0ae9 | 224 | { |
eencae | 13:908644099648 | 225 | for (int i = 0; i < 5 ; i++ ) { |
eencae | 13:908644099648 | 226 | buffer[x+i][y] = font5x7[(c - 32)*5 + i]; |
eencae | 17:780a542d5f8b | 227 | // array is offset by 32 relative to ASCII, each character is 5 pixels wide |
eencae | 0:d563e74f0ae9 | 228 | } |
eencae | 17:780a542d5f8b | 229 | |
eencae | 17:780a542d5f8b | 230 | refresh(); // this sends the buffer to the display and sets address (cursor) back to 0,0 |
eencae | 0:d563e74f0ae9 | 231 | } |
eencae | 0:d563e74f0ae9 | 232 | |
eencae | 0:d563e74f0ae9 | 233 | // function to print string at specified position |
eencae | 0:d563e74f0ae9 | 234 | void N5110::printString(const char * str,int x,int y) |
eencae | 0:d563e74f0ae9 | 235 | { |
eencae | 0:d563e74f0ae9 | 236 | int n = 0 ; // counter for number of characters in string |
eencae | 0:d563e74f0ae9 | 237 | // loop through string and print character |
eencae | 0:d563e74f0ae9 | 238 | while(*str) { |
eencae | 0:d563e74f0ae9 | 239 | |
eencae | 13:908644099648 | 240 | // writes the character bitmap data to the buffer, so that |
eencae | 9:7701f0126ba7 | 241 | // text and pixels can be displayed at the same time |
eencae | 9:7701f0126ba7 | 242 | for (int i = 0; i < 5 ; i++ ) { |
eencae | 9:7701f0126ba7 | 243 | buffer[x+i+n*6][y] = font5x7[(*str - 32)*5 + i]; |
eencae | 9:7701f0126ba7 | 244 | } |
eencae | 13:908644099648 | 245 | |
eencae | 0:d563e74f0ae9 | 246 | str++; // go to next character in string |
eencae | 0:d563e74f0ae9 | 247 | n++; // increment index |
eencae | 0:d563e74f0ae9 | 248 | } |
eencae | 13:908644099648 | 249 | |
eencae | 9:7701f0126ba7 | 250 | refresh(); // this sends the buffer to the display and sets address (cursor) back to 0,0 |
eencae | 0:d563e74f0ae9 | 251 | |
eencae | 0:d563e74f0ae9 | 252 | } |
eencae | 0:d563e74f0ae9 | 253 | |
eencae | 6:adb79338d40f | 254 | // function to clear the screen |
eencae | 0:d563e74f0ae9 | 255 | void N5110::clear() |
eencae | 0:d563e74f0ae9 | 256 | { |
eencae | 6:adb79338d40f | 257 | clearBuffer(); // clear the buffer then call the refresh function |
eencae | 6:adb79338d40f | 258 | refresh(); |
eencae | 0:d563e74f0ae9 | 259 | } |
eencae | 0:d563e74f0ae9 | 260 | |
eencae | 6:adb79338d40f | 261 | // function to clear the buffer |
eencae | 0:d563e74f0ae9 | 262 | void N5110::clearBuffer() |
eencae | 0:d563e74f0ae9 | 263 | { |
eencae | 0:d563e74f0ae9 | 264 | int i,j; |
eencae | 17:780a542d5f8b | 265 | for (i=0; i<WIDTH; i++) { // loop through the banks and set the buffer to 0 |
eencae | 17:780a542d5f8b | 266 | for (j=0; j<BANKS; j++) { |
eencae | 0:d563e74f0ae9 | 267 | buffer[i][j]=0; |
eencae | 0:d563e74f0ae9 | 268 | } |
eencae | 0:d563e74f0ae9 | 269 | } |
eencae | 8:40abe5736eca | 270 | } |
eencae | 8:40abe5736eca | 271 | |
eencae | 8:40abe5736eca | 272 | // function to plot array on display |
eencae | 13:908644099648 | 273 | void N5110::plotArray(float array[]) |
eencae | 13:908644099648 | 274 | { |
eencae | 13:908644099648 | 275 | |
eencae | 8:40abe5736eca | 276 | int i; |
eencae | 13:908644099648 | 277 | |
eencae | 17:780a542d5f8b | 278 | for (i=0; i<WIDTH; i++) { // loop through array |
eencae | 8:40abe5736eca | 279 | // elements are normalised from 0.0 to 1.0, so multiply |
eencae | 8:40abe5736eca | 280 | // by 47 to convert to pixel range, and subtract from 47 |
eencae | 8:40abe5736eca | 281 | // since top-left is 0,0 in the display geometry |
eencae | 9:7701f0126ba7 | 282 | setPixel(i,47 - int(array[i]*47.0)); |
eencae | 13:908644099648 | 283 | } |
eencae | 13:908644099648 | 284 | |
eencae | 8:40abe5736eca | 285 | refresh(); |
eencae | 13:908644099648 | 286 | |
eencae | 17:780a542d5f8b | 287 | } |
eencae | 13:908644099648 | 288 | |
eencae | 17:780a542d5f8b | 289 | // function to draw circle |
eencae | 17:780a542d5f8b | 290 | void N5110:: drawCircle(int x0,int y0,int radius,int fill) |
eencae | 17:780a542d5f8b | 291 | { |
eencae | 17:780a542d5f8b | 292 | // from http://en.wikipedia.org/wiki/Midpoint_circle_algorithm |
eencae | 17:780a542d5f8b | 293 | int x = radius; |
eencae | 17:780a542d5f8b | 294 | int y = 0; |
eencae | 17:780a542d5f8b | 295 | int radiusError = 1-x; |
eencae | 17:780a542d5f8b | 296 | |
eencae | 17:780a542d5f8b | 297 | while(x >= y) { |
eencae | 17:780a542d5f8b | 298 | |
eencae | 17:780a542d5f8b | 299 | // if transparent, just draw outline |
eencae | 17:780a542d5f8b | 300 | if (fill == 0) { |
eencae | 17:780a542d5f8b | 301 | setPixel( x + x0, y + y0); |
eencae | 17:780a542d5f8b | 302 | setPixel(-x + x0, y + y0); |
eencae | 17:780a542d5f8b | 303 | setPixel( y + x0, x + y0); |
eencae | 17:780a542d5f8b | 304 | setPixel(-y + x0, x + y0); |
eencae | 17:780a542d5f8b | 305 | setPixel(-y + x0, -x + y0); |
eencae | 17:780a542d5f8b | 306 | setPixel( y + x0, -x + y0); |
eencae | 17:780a542d5f8b | 307 | setPixel( x + x0, -y + y0); |
eencae | 17:780a542d5f8b | 308 | setPixel(-x + x0, -y + y0); |
eencae | 17:780a542d5f8b | 309 | } else { // drawing filled circle, so draw lines between points at same y value |
eencae | 17:780a542d5f8b | 310 | |
eencae | 17:780a542d5f8b | 311 | int type = (fill==1) ? 1:0; // black or white fill |
eencae | 17:780a542d5f8b | 312 | |
eencae | 17:780a542d5f8b | 313 | drawLine(x+x0,y+y0,-x+x0,y+y0,type); |
eencae | 17:780a542d5f8b | 314 | drawLine(y+x0,x+y0,-y+x0,x+y0,type); |
eencae | 17:780a542d5f8b | 315 | drawLine(y+x0,-x+y0,-y+x0,-x+y0,type); |
eencae | 17:780a542d5f8b | 316 | drawLine(x+x0,-y+y0,-x+x0,-y+y0,type); |
eencae | 17:780a542d5f8b | 317 | } |
eencae | 17:780a542d5f8b | 318 | |
eencae | 17:780a542d5f8b | 319 | |
eencae | 17:780a542d5f8b | 320 | y++; |
eencae | 17:780a542d5f8b | 321 | if (radiusError<0) { |
eencae | 17:780a542d5f8b | 322 | radiusError += 2 * y + 1; |
eencae | 17:780a542d5f8b | 323 | } else { |
eencae | 17:780a542d5f8b | 324 | x--; |
eencae | 17:780a542d5f8b | 325 | radiusError += 2 * (y - x) + 1; |
eencae | 17:780a542d5f8b | 326 | } |
eencae | 17:780a542d5f8b | 327 | } |
eencae | 17:780a542d5f8b | 328 | |
eencae | 17:780a542d5f8b | 329 | refresh(); |
eencae | 17:780a542d5f8b | 330 | } |
eencae | 17:780a542d5f8b | 331 | |
el13gs | 19:cf23186a762f | 332 | void N5110:: clearCircle(int x0,int y0,int radius,int fill){ |
el13gs | 19:cf23186a762f | 333 | // from http://en.wikipedia.org/wiki/Midpoint_circle_algorithm |
el13gs | 19:cf23186a762f | 334 | int x = radius; |
el13gs | 19:cf23186a762f | 335 | int y = 0; |
el13gs | 19:cf23186a762f | 336 | int radiusError = 1-x; |
el13gs | 19:cf23186a762f | 337 | |
el13gs | 19:cf23186a762f | 338 | while(x >= y) { |
el13gs | 19:cf23186a762f | 339 | |
el13gs | 19:cf23186a762f | 340 | // if transparent, just draw outline |
el13gs | 19:cf23186a762f | 341 | if (fill == 0) { |
el13gs | 19:cf23186a762f | 342 | clearPixel( x + x0, y + y0); |
el13gs | 19:cf23186a762f | 343 | clearPixel(-x + x0, y + y0); |
el13gs | 19:cf23186a762f | 344 | clearPixel( y + x0, x + y0); |
el13gs | 19:cf23186a762f | 345 | clearPixel(-y + x0, x + y0); |
el13gs | 19:cf23186a762f | 346 | clearPixel(-y + x0, -x + y0); |
el13gs | 19:cf23186a762f | 347 | clearPixel( y + x0, -x + y0); |
el13gs | 19:cf23186a762f | 348 | clearPixel( x + x0, -y + y0); |
el13gs | 19:cf23186a762f | 349 | clearPixel(-x + x0, -y + y0); |
el13gs | 19:cf23186a762f | 350 | } else { // drawing filled circle, so draw lines between points at same y value |
el13gs | 19:cf23186a762f | 351 | |
el13gs | 19:cf23186a762f | 352 | int type = (fill==1) ? 1:0; // black or white fill |
el13gs | 19:cf23186a762f | 353 | |
el13gs | 20:a6fc42d720c2 | 354 | clearLine(x+x0,y+y0,-x+x0,y+y0,type); |
el13gs | 20:a6fc42d720c2 | 355 | clearLine(y+x0,x+y0,-y+x0,x+y0,type); |
el13gs | 20:a6fc42d720c2 | 356 | clearLine(y+x0,-x+y0,-y+x0,-x+y0,type); |
el13gs | 20:a6fc42d720c2 | 357 | clearLine(x+x0,-y+y0,-x+x0,-y+y0,type); |
el13gs | 19:cf23186a762f | 358 | } |
el13gs | 19:cf23186a762f | 359 | |
el13gs | 19:cf23186a762f | 360 | |
el13gs | 19:cf23186a762f | 361 | y++; |
el13gs | 19:cf23186a762f | 362 | if (radiusError<0) { |
el13gs | 19:cf23186a762f | 363 | radiusError += 2 * y + 1; |
el13gs | 19:cf23186a762f | 364 | } else { |
el13gs | 19:cf23186a762f | 365 | x--; |
el13gs | 19:cf23186a762f | 366 | radiusError += 2 * (y - x) + 1; |
el13gs | 19:cf23186a762f | 367 | } |
el13gs | 19:cf23186a762f | 368 | } |
el13gs | 19:cf23186a762f | 369 | |
el13gs | 19:cf23186a762f | 370 | refresh(); |
el13gs | 19:cf23186a762f | 371 | } |
el13gs | 19:cf23186a762f | 372 | |
el13gs | 19:cf23186a762f | 373 | |
el13gs | 19:cf23186a762f | 374 | |
el13gs | 19:cf23186a762f | 375 | |
eencae | 17:780a542d5f8b | 376 | void N5110::drawLine(int x0,int y0,int x1,int y1,int type) |
eencae | 17:780a542d5f8b | 377 | { |
eencae | 17:780a542d5f8b | 378 | int y_range = y1-y0; // calc range of y and x |
eencae | 17:780a542d5f8b | 379 | int x_range = x1-x0; |
eencae | 17:780a542d5f8b | 380 | int start,stop,step; |
el13gs | 18:45c3696a1447 | 381 | |
eencae | 17:780a542d5f8b | 382 | // if dotted line, set step to 2, else step is 1 |
eencae | 17:780a542d5f8b | 383 | step = (type==2) ? 2:1; |
eencae | 17:780a542d5f8b | 384 | |
eencae | 17:780a542d5f8b | 385 | // make sure we loop over the largest range to get the most pixels on the display |
eencae | 17:780a542d5f8b | 386 | // for instance, if drawing a vertical line (x_range = 0), we need to loop down the y pixels |
eencae | 17:780a542d5f8b | 387 | // or else we'll only end up with 1 pixel in the x column |
eencae | 17:780a542d5f8b | 388 | if ( abs(x_range) > abs(y_range) ) { |
eencae | 17:780a542d5f8b | 389 | |
eencae | 17:780a542d5f8b | 390 | // ensure we loop from smallest to largest or else for-loop won't run as expected |
eencae | 17:780a542d5f8b | 391 | start = x1>x0 ? x0:x1; |
eencae | 17:780a542d5f8b | 392 | stop = x1>x0 ? x1:x0; |
eencae | 17:780a542d5f8b | 393 | |
eencae | 17:780a542d5f8b | 394 | // loop between x pixels |
eencae | 17:780a542d5f8b | 395 | for (int x = start; x<= stop ; x+=step) { |
eencae | 17:780a542d5f8b | 396 | // do linear interpolation |
eencae | 17:780a542d5f8b | 397 | int y = y0 + (y1-y0)*(x-x0)/(x1-x0); |
eencae | 17:780a542d5f8b | 398 | |
eencae | 17:780a542d5f8b | 399 | if (type == 0) // if 'white' line, turn off pixel |
eencae | 17:780a542d5f8b | 400 | clearPixel(x,y); |
eencae | 17:780a542d5f8b | 401 | else |
eencae | 17:780a542d5f8b | 402 | setPixel(x,y); // else if 'black' or 'dotted' turn on pixel |
el13gs | 18:45c3696a1447 | 403 | |
eencae | 17:780a542d5f8b | 404 | } |
eencae | 17:780a542d5f8b | 405 | } else { |
eencae | 17:780a542d5f8b | 406 | |
eencae | 17:780a542d5f8b | 407 | // ensure we loop from smallest to largest or else for-loop won't run as expected |
eencae | 17:780a542d5f8b | 408 | start = y1>y0 ? y0:y1; |
eencae | 17:780a542d5f8b | 409 | stop = y1>y0 ? y1:y0; |
eencae | 17:780a542d5f8b | 410 | |
eencae | 17:780a542d5f8b | 411 | for (int y = start; y<= stop ; y+=step) { |
eencae | 17:780a542d5f8b | 412 | // do linear interpolation |
eencae | 17:780a542d5f8b | 413 | int x = x0 + (x1-x0)*(y-y0)/(y1-y0); |
eencae | 17:780a542d5f8b | 414 | |
eencae | 17:780a542d5f8b | 415 | if (type == 0) // if 'white' line, turn off pixel |
eencae | 17:780a542d5f8b | 416 | clearPixel(x,y); |
eencae | 17:780a542d5f8b | 417 | else |
eencae | 17:780a542d5f8b | 418 | setPixel(x,y); // else if 'black' or 'dotted' turn on pixel |
eencae | 17:780a542d5f8b | 419 | |
eencae | 17:780a542d5f8b | 420 | } |
eencae | 17:780a542d5f8b | 421 | } |
eencae | 17:780a542d5f8b | 422 | |
eencae | 17:780a542d5f8b | 423 | refresh(); |
eencae | 17:780a542d5f8b | 424 | } |
eencae | 17:780a542d5f8b | 425 | |
el13gs | 18:45c3696a1447 | 426 | |
el13gs | 20:a6fc42d720c2 | 427 | void N5110::clearLine(int x0,int y0,int x1,int y1,int type) |
el13gs | 20:a6fc42d720c2 | 428 | { |
el13gs | 20:a6fc42d720c2 | 429 | int y_range = y1-y0; // calc range of y and x |
el13gs | 20:a6fc42d720c2 | 430 | int x_range = x1-x0; |
el13gs | 20:a6fc42d720c2 | 431 | int start,stop,step; |
el13gs | 20:a6fc42d720c2 | 432 | |
el13gs | 20:a6fc42d720c2 | 433 | // if dotted line, set step to 2, else step is 1 |
el13gs | 20:a6fc42d720c2 | 434 | step = (type==2) ? 2:1; |
el13gs | 20:a6fc42d720c2 | 435 | |
el13gs | 20:a6fc42d720c2 | 436 | // make sure we loop over the largest range to get the most pixels on the display |
el13gs | 20:a6fc42d720c2 | 437 | // for instance, if drawing a vertical line (x_range = 0), we need to loop down the y pixels |
el13gs | 20:a6fc42d720c2 | 438 | // or else we'll only end up with 1 pixel in the x column |
el13gs | 20:a6fc42d720c2 | 439 | if ( abs(x_range) > abs(y_range) ) { |
el13gs | 20:a6fc42d720c2 | 440 | |
el13gs | 20:a6fc42d720c2 | 441 | // ensure we loop from smallest to largest or else for-loop won't run as expected |
el13gs | 20:a6fc42d720c2 | 442 | start = x1>x0 ? x0:x1; |
el13gs | 20:a6fc42d720c2 | 443 | stop = x1>x0 ? x1:x0; |
el13gs | 20:a6fc42d720c2 | 444 | |
el13gs | 20:a6fc42d720c2 | 445 | // loop between x pixels |
el13gs | 20:a6fc42d720c2 | 446 | for (int x = start; x<= stop ; x+=step) { |
el13gs | 20:a6fc42d720c2 | 447 | // do linear interpolation |
el13gs | 20:a6fc42d720c2 | 448 | int y = y0 + (y1-y0)*(x-x0)/(x1-x0); |
el13gs | 20:a6fc42d720c2 | 449 | |
el13gs | 20:a6fc42d720c2 | 450 | if (type == 0) // if 'white' line, turn off pixel |
el13gs | 20:a6fc42d720c2 | 451 | clearPixel(x,y); |
el13gs | 20:a6fc42d720c2 | 452 | else |
el13gs | 20:a6fc42d720c2 | 453 | clearPixel(x,y); // else if 'black' or 'dotted' turn on pixel |
el13gs | 20:a6fc42d720c2 | 454 | |
el13gs | 20:a6fc42d720c2 | 455 | } |
el13gs | 20:a6fc42d720c2 | 456 | } else { |
el13gs | 20:a6fc42d720c2 | 457 | |
el13gs | 20:a6fc42d720c2 | 458 | // ensure we loop from smallest to largest or else for-loop won't run as expected |
el13gs | 20:a6fc42d720c2 | 459 | start = y1>y0 ? y0:y1; |
el13gs | 20:a6fc42d720c2 | 460 | stop = y1>y0 ? y1:y0; |
el13gs | 20:a6fc42d720c2 | 461 | |
el13gs | 20:a6fc42d720c2 | 462 | for (int y = start; y<= stop ; y+=step) { |
el13gs | 20:a6fc42d720c2 | 463 | // do linear interpolation |
el13gs | 20:a6fc42d720c2 | 464 | int x = x0 + (x1-x0)*(y-y0)/(y1-y0); |
el13gs | 20:a6fc42d720c2 | 465 | |
el13gs | 20:a6fc42d720c2 | 466 | if (type == 0) // if 'white' line, turn off pixel |
el13gs | 20:a6fc42d720c2 | 467 | clearPixel(x,y); |
el13gs | 20:a6fc42d720c2 | 468 | else |
el13gs | 20:a6fc42d720c2 | 469 | clearPixel(x,y); // else if 'black' or 'dotted' turn on pixel |
el13gs | 20:a6fc42d720c2 | 470 | |
el13gs | 20:a6fc42d720c2 | 471 | } |
el13gs | 20:a6fc42d720c2 | 472 | } |
el13gs | 20:a6fc42d720c2 | 473 | |
el13gs | 20:a6fc42d720c2 | 474 | refresh(); |
el13gs | 20:a6fc42d720c2 | 475 | } |
el13gs | 20:a6fc42d720c2 | 476 | |
el13gs | 20:a6fc42d720c2 | 477 | |
el13gs | 18:45c3696a1447 | 478 | void N5110::gameInitial(){ |
el13gs | 19:cf23186a762f | 479 | |
el13gs | 19:cf23186a762f | 480 | //road lanes |
el13gs | 18:45c3696a1447 | 481 | drawLine(60,0,60,48,1); |
el13gs | 18:45c3696a1447 | 482 | drawLine(60,16,84,16,1); |
el13gs | 18:45c3696a1447 | 483 | drawLine(60,32,84,32,1); |
el13gs | 18:45c3696a1447 | 484 | drawLine(20,0,20,48,2); |
el13gs | 18:45c3696a1447 | 485 | drawLine(40,0,40,48,2); |
el13gs | 19:cf23186a762f | 486 | |
el13gs | 19:cf23186a762f | 487 | //heart shape |
el13gs | 19:cf23186a762f | 488 | setPixel(62,9); |
el13gs | 19:cf23186a762f | 489 | setPixel(62,10); |
el13gs | 19:cf23186a762f | 490 | setPixel(62,11); |
el13gs | 19:cf23186a762f | 491 | |
el13gs | 19:cf23186a762f | 492 | setPixel(63,8); |
el13gs | 19:cf23186a762f | 493 | setPixel(63,9); |
el13gs | 19:cf23186a762f | 494 | setPixel(63,10); |
el13gs | 19:cf23186a762f | 495 | setPixel(63,11); |
el13gs | 19:cf23186a762f | 496 | setPixel(63,12); |
el13gs | 19:cf23186a762f | 497 | |
el13gs | 19:cf23186a762f | 498 | setPixel(64,7); |
el13gs | 19:cf23186a762f | 499 | setPixel(64,8); |
el13gs | 19:cf23186a762f | 500 | setPixel(64,9); |
el13gs | 19:cf23186a762f | 501 | setPixel(64,10); |
el13gs | 19:cf23186a762f | 502 | setPixel(64,11); |
el13gs | 19:cf23186a762f | 503 | setPixel(64,12); |
el13gs | 19:cf23186a762f | 504 | setPixel(64,13); |
el13gs | 19:cf23186a762f | 505 | |
el13gs | 19:cf23186a762f | 506 | setPixel(65,8); |
el13gs | 19:cf23186a762f | 507 | setPixel(65,9); |
el13gs | 19:cf23186a762f | 508 | setPixel(65,10); |
el13gs | 19:cf23186a762f | 509 | setPixel(65,11); |
el13gs | 19:cf23186a762f | 510 | setPixel(65,12); |
el13gs | 19:cf23186a762f | 511 | setPixel(65,13); |
el13gs | 19:cf23186a762f | 512 | setPixel(65,14); |
el13gs | 19:cf23186a762f | 513 | |
el13gs | 19:cf23186a762f | 514 | setPixel(66,9); |
el13gs | 19:cf23186a762f | 515 | setPixel(66,10); |
el13gs | 19:cf23186a762f | 516 | setPixel(66,11); |
el13gs | 19:cf23186a762f | 517 | setPixel(66,12); |
el13gs | 19:cf23186a762f | 518 | setPixel(66,13); |
el13gs | 19:cf23186a762f | 519 | setPixel(66,14); |
el13gs | 19:cf23186a762f | 520 | setPixel(66,15); |
el13gs | 19:cf23186a762f | 521 | |
el13gs | 19:cf23186a762f | 522 | setPixel(67,8); |
el13gs | 19:cf23186a762f | 523 | setPixel(67,9); |
el13gs | 19:cf23186a762f | 524 | setPixel(67,10); |
el13gs | 19:cf23186a762f | 525 | setPixel(67,11); |
el13gs | 19:cf23186a762f | 526 | setPixel(67,12); |
el13gs | 19:cf23186a762f | 527 | setPixel(67,13); |
el13gs | 19:cf23186a762f | 528 | setPixel(67,14); |
el13gs | 19:cf23186a762f | 529 | |
el13gs | 19:cf23186a762f | 530 | setPixel(68,7); |
el13gs | 19:cf23186a762f | 531 | setPixel(68,8); |
el13gs | 19:cf23186a762f | 532 | setPixel(68,9); |
el13gs | 19:cf23186a762f | 533 | setPixel(68,10); |
el13gs | 19:cf23186a762f | 534 | setPixel(68,11); |
el13gs | 19:cf23186a762f | 535 | setPixel(68,12); |
el13gs | 19:cf23186a762f | 536 | setPixel(68,13); |
el13gs | 19:cf23186a762f | 537 | |
el13gs | 19:cf23186a762f | 538 | setPixel(69,8); |
el13gs | 19:cf23186a762f | 539 | setPixel(69,9); |
el13gs | 19:cf23186a762f | 540 | setPixel(69,10); |
el13gs | 19:cf23186a762f | 541 | setPixel(69,11); |
el13gs | 19:cf23186a762f | 542 | setPixel(69,12); |
el13gs | 19:cf23186a762f | 543 | |
el13gs | 19:cf23186a762f | 544 | setPixel(70,9); |
el13gs | 19:cf23186a762f | 545 | setPixel(70,10); |
el13gs | 19:cf23186a762f | 546 | setPixel(70,11); |
el13gs | 19:cf23186a762f | 547 | |
el13gs | 19:cf23186a762f | 548 | |
el13gs | 19:cf23186a762f | 549 | //print Round Indicator |
el13gs | 19:cf23186a762f | 550 | printChar('R',62,3); |
el13gs | 19:cf23186a762f | 551 | printChar(':',68,3); |
el13gs | 19:cf23186a762f | 552 | |
el13gs | 19:cf23186a762f | 553 | |
el13gs | 19:cf23186a762f | 554 | //set the Coin Shape |
el13gs | 19:cf23186a762f | 555 | drawCircle(66,43,4,0); |
el13gs | 19:cf23186a762f | 556 | |
el13gs | 19:cf23186a762f | 557 | setPixel(66,41); |
el13gs | 19:cf23186a762f | 558 | setPixel(66,44); |
el13gs | 19:cf23186a762f | 559 | |
el13gs | 19:cf23186a762f | 560 | setPixel(67,41); |
el13gs | 19:cf23186a762f | 561 | setPixel(67,44); |
el13gs | 19:cf23186a762f | 562 | |
el13gs | 19:cf23186a762f | 563 | setPixel(65,42); |
el13gs | 19:cf23186a762f | 564 | setPixel(65,43); |
el13gs | 19:cf23186a762f | 565 | |
el13gs | 19:cf23186a762f | 566 | |
el13gs | 19:cf23186a762f | 567 | |
el13gs | 19:cf23186a762f | 568 | |
el13gs | 19:cf23186a762f | 569 | |
el13gs | 19:cf23186a762f | 570 | |
el13gs | 19:cf23186a762f | 571 | |
el13gs | 19:cf23186a762f | 572 | |
el13gs | 19:cf23186a762f | 573 | |
el13gs | 18:45c3696a1447 | 574 | } |
el13gs | 18:45c3696a1447 | 575 | |
el13gs | 18:45c3696a1447 | 576 | |
el13gs | 18:45c3696a1447 | 577 | |
eencae | 17:780a542d5f8b | 578 | void N5110::drawRect(int x0,int y0,int width,int height,int fill) |
eencae | 17:780a542d5f8b | 579 | { |
el13gs | 18:45c3696a1447 | 580 | gameInitial(); |
eencae | 17:780a542d5f8b | 581 | if (fill == 0) { // transparent, just outline |
eencae | 17:780a542d5f8b | 582 | drawLine(x0,y0,x0+width,y0,1); // top |
eencae | 17:780a542d5f8b | 583 | drawLine(x0,y0+height,x0+width,y0+height,1); // bottom |
eencae | 17:780a542d5f8b | 584 | drawLine(x0,y0,x0,y0+height,1); // left |
eencae | 17:780a542d5f8b | 585 | drawLine(x0+width,y0,x0+width,y0+height,1); // right |
eencae | 17:780a542d5f8b | 586 | } else { // filled rectangle |
eencae | 17:780a542d5f8b | 587 | int type = (fill==1) ? 1:0; // black or white fill |
eencae | 17:780a542d5f8b | 588 | for (int y = y0; y<= y0+height; y++) { // loop through rows of rectangle |
eencae | 17:780a542d5f8b | 589 | drawLine(x0,y,x0+width,y,type); // draw line across screen |
eencae | 17:780a542d5f8b | 590 | } |
eencae | 17:780a542d5f8b | 591 | } |
el13gs | 18:45c3696a1447 | 592 | } |
eencae | 17:780a542d5f8b | 593 |