Wim Huiskamp / PT6312

Library for the Princeton PT6312 Vacuum Fluorescent Display (VFD) driver.

Dependents:   mbed_PT6312

This library is documented here.

PT6312.h@4:6ecb924fa0b5, 2015-09-11 (annotated)

Committer:
wim
Date:
Fri Sep 11 19:32:17 2015 +0000
Revision:
4:6ecb924fa0b5
Parent:
3:156c23d9652a
Child:
5:be9ec73af639
First Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wim 0:e59142cded2b 1 /* mbed PT6312 Library, for Princeton PT6312 VFD controller
wim 0:e59142cded2b 2 * Copyright (c) 2015, v01: WH, Initial version
wim 0:e59142cded2b 3 *
wim 0:e59142cded2b 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
wim 0:e59142cded2b 5 * of this software and associated documentation files (the "Software"), to deal
wim 0:e59142cded2b 6 * in the Software without restriction, including without limitation the rights
wim 0:e59142cded2b 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
wim 0:e59142cded2b 8 * copies of the Software, and to permit persons to whom the Software is
wim 0:e59142cded2b 9 * furnished to do so, subject to the following conditions:
wim 0:e59142cded2b 10 *
wim 0:e59142cded2b 11 * The above copyright notice and this permission notice shall be included in
wim 0:e59142cded2b 12 * all copies or substantial portions of the Software.
wim 0:e59142cded2b 13 *
wim 0:e59142cded2b 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
wim 0:e59142cded2b 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
wim 0:e59142cded2b 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
wim 0:e59142cded2b 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
wim 0:e59142cded2b 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
wim 0:e59142cded2b 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
wim 0:e59142cded2b 20 * THE SOFTWARE.
wim 0:e59142cded2b 21 */
wim 0:e59142cded2b 22
wim 0:e59142cded2b 23 #ifndef PT6312_H
wim 0:e59142cded2b 24 #define PT6312_H
wim 0:e59142cded2b 25
wim 3:156c23d9652a 26 #include "Font_16Seg.h"
wim 3:156c23d9652a 27
wim 0:e59142cded2b 28 /** An interface for driving Princeton PT6312 VFD controller
wim 0:e59142cded2b 29 *
wim 0:e59142cded2b 30 * @code
wim 3:156c23d9652a 31 *
wim 3:156c23d9652a 32 * #if(1)
wim 3:156c23d9652a 33 * // Direct driving of PT6312 Test
wim 3:156c23d9652a 34 *
wim 0:e59142cded2b 35 * #include "mbed.h"
wim 3:156c23d9652a 36 * #include "PT6312.h"
wim 0:e59142cded2b 37 *
wim 4:6ecb924fa0b5 38 * DisplayData_t size is 8 bytes (4 digits @ segments) ... 22 bytes (11 digits @ 11 segments)
wim 4:6ecb924fa0b5 39 * DisplayData_t size default is 14 bytes (7 digits @ 15 segments)
wim 0:e59142cded2b 40 * PT6312::DisplayData_t mbed_str = {0xDA,0x00, 0x7C,0x00, 0x3C,0x01, 0xF6,0x00, 0x00,0x00, 0x00,0x00, 0x00,0x00};
wim 0:e59142cded2b 41 * PT6312::DisplayData_t all_str = {0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F};
wim 0:e59142cded2b 42 *
wim 0:e59142cded2b 43 * // KeyData_t size is 3 bytes
wim 0:e59142cded2b 44 * PT6312::KeyData_t keydata;
wim 0:e59142cded2b 45 *
wim 4:6ecb924fa0b5 46 * // PT6191 declaration, Default setting 7 Digits @ 15 Segments
wim 0:e59142cded2b 47 * PT6312 PT6312(p5,p6,p7, p8);
wim 0:e59142cded2b 48 *
wim 0:e59142cded2b 49 * int main() {
wim 0:e59142cded2b 50 * PT6312.cls();
wim 0:e59142cded2b 51 * PT6312.writeData(all_str);
wim 0:e59142cded2b 52 * wait(4);
wim 0:e59142cded2b 53 * PT6312.writeData(mbed_str);
wim 0:e59142cded2b 54 * wait(1);
wim 0:e59142cded2b 55 * PT6312.setBrightness(PT6312_BRT0);
wim 0:e59142cded2b 56 * wait(1);
wim 0:e59142cded2b 57 * PT6312.setBrightness(PT6312_BRT3);
wim 0:e59142cded2b 58 *
wim 0:e59142cded2b 59 * while (1) {
wim 0:e59142cded2b 60 * // Check and read keydata
wim 1:c5e247159aa6 61 * if (PT6312.getKeys(&keydata)) {
wim 0:e59142cded2b 62 * pc.printf("Keydata 0..2 = 0x%02x 0x%02x 0x%02x\r\n", keydata[0], keydata[1], keydata[2]);
wim 0:e59142cded2b 63 *
wim 0:e59142cded2b 64 * if (keydata[0] == 0x10) { //sw2
wim 0:e59142cded2b 65 * PT6312.cls();
wim 0:e59142cded2b 66 * PT6312.writeData(all_str);
wim 0:e59142cded2b 67 * }
wim 0:e59142cded2b 68 * }
wim 0:e59142cded2b 69 * }
wim 0:e59142cded2b 70 * }
wim 3:156c23d9652a 71 *
wim 3:156c23d9652a 72 * #else
wim 3:156c23d9652a 73 *
wim 3:156c23d9652a 74 * //Philips DVP630 Display Test
wim 3:156c23d9652a 75 *
wim 3:156c23d9652a 76 * #include "mbed.h"
wim 3:156c23d9652a 77 * #include "PT6312.h"
wim 3:156c23d9652a 78 *
wim 3:156c23d9652a 79 * // KeyData_t size is 3 bytes
wim 3:156c23d9652a 80 * PT6312::KeyData_t keydata;
wim 3:156c23d9652a 81 *
wim 4:6ecb924fa0b5 82 * // PT6312_DVD declaration (7 Digits @ 15 Segments)
wim 3:156c23d9652a 83 * PT6312_DVP630 DVP630(p5,p6,p7, p8);
wim 3:156c23d9652a 84 *
wim 3:156c23d9652a 85 * int main() {
wim 3:156c23d9652a 86 *
wim 3:156c23d9652a 87 * DVP630.cls();
wim 3:156c23d9652a 88 * DVP630.setBrightness(PT6312_BRT7);
wim 3:156c23d9652a 89 *
wim 3:156c23d9652a 90 * //test to show all chars
wim 3:156c23d9652a 91 *
wim 3:156c23d9652a 92 * for (int i=0x20; i<0x80; i++) {
wim 3:156c23d9652a 93 * DVP630.cls();
wim 3:156c23d9652a 94 * DVP630.printf("0x%2X=%c", i, (char) i);
wim 3:156c23d9652a 95 * wait(0.2);
wim 3:156c23d9652a 96 * // pc.getc();
wim 3:156c23d9652a 97 * }
wim 3:156c23d9652a 98 * }
wim 3:156c23d9652a 99 *
wim 3:156c23d9652a 100 * #endif
wim 3:156c23d9652a 101 *
wim 0:e59142cded2b 102 * @endcode
wim 0:e59142cded2b 103 */
wim 0:e59142cded2b 104
wim 0:e59142cded2b 105 //Memory size in bytes for Display and Keymatrix
wim 0:e59142cded2b 106 #define PT6312_DISPLAY_MEM 22
wim 0:e59142cded2b 107 #define PT6312_KEY_MEM 3
wim 0:e59142cded2b 108 //Significant bits Keymatrix data
wim 0:e59142cded2b 109 #define PT6312_KEY_BITS 8
wim 0:e59142cded2b 110
wim 0:e59142cded2b 111 //Reserved bits for commands
wim 0:e59142cded2b 112 #define PT6312_CMD_MSK 0xE0
wim 0:e59142cded2b 113
wim 0:e59142cded2b 114 //Mode setting command
wim 0:e59142cded2b 115 #define PT6312_MODE_SET_CMD 0x00
wim 0:e59142cded2b 116 #define PT6312_DIG4_SEG16 0x00
wim 0:e59142cded2b 117 #define PT6312_DIG5_SEG16 0x01
wim 0:e59142cded2b 118 #define PT6312_DIG6_SEG16 0x02
wim 0:e59142cded2b 119 #define PT6312_DIG7_SEG15 0x03 //default
wim 0:e59142cded2b 120 #define PT6312_DIG8_SEG14 0x04
wim 0:e59142cded2b 121 #define PT6312_DIG9_SEG13 0x05
wim 0:e59142cded2b 122 #define PT6312_DIG10_SEG12 0x06
wim 0:e59142cded2b 123 #define PT6312_DIG11_SEG11 0x07
wim 0:e59142cded2b 124
wim 0:e59142cded2b 125
wim 0:e59142cded2b 126 //Data setting commands
wim 0:e59142cded2b 127 #define PT6312_DATA_SET_CMD 0x40
wim 0:e59142cded2b 128 #define PT6312_DATA_WR 0x00
wim 0:e59142cded2b 129 #define PT6312_LED_WR 0x01
wim 0:e59142cded2b 130 #define PT6312_KEY_RD 0x02
wim 0:e59142cded2b 131 #define PT6312_SW_RD 0x03
wim 0:e59142cded2b 132 #define PT6312_ADDR_INC 0x00
wim 0:e59142cded2b 133 #define PT6312_ADDR_FIXED 0x04
wim 0:e59142cded2b 134 #define PT6312_MODE_NORM 0x00
wim 0:e59142cded2b 135 #define PT6312_MODE_TEST 0x08
wim 0:e59142cded2b 136
wim 0:e59142cded2b 137 //LED settings data
wim 0:e59142cded2b 138 #define PT6312_LED_MSK 0x0F
wim 0:e59142cded2b 139 #define PT6312_LED1 0x01
wim 0:e59142cded2b 140 #define PT6312_LED2 0x02
wim 0:e59142cded2b 141 #define PT6312_LED3 0x04
wim 0:e59142cded2b 142 #define PT6312_LED4 0x08
wim 0:e59142cded2b 143
wim 0:e59142cded2b 144 //Switch settings data
wim 0:e59142cded2b 145 #define PT6312_SW_MSK 0x0F
wim 0:e59142cded2b 146 #define PT6312_SW1 0x01
wim 0:e59142cded2b 147 #define PT6312_SW2 0x02
wim 0:e59142cded2b 148 #define PT6312_SW3 0x04
wim 0:e59142cded2b 149 #define PT6312_SW4 0x08
wim 0:e59142cded2b 150
wim 0:e59142cded2b 151 //Address setting commands
wim 0:e59142cded2b 152 #define PT6312_ADDR_SET_CMD 0xC0
wim 0:e59142cded2b 153 #define PT6312_ADDR_MSK 0x1F
wim 0:e59142cded2b 154
wim 0:e59142cded2b 155 //Display control commands
wim 0:e59142cded2b 156 #define PT6312_DSP_CTRL_CMD 0x80
wim 0:e59142cded2b 157 #define PT6312_BRT_MSK 0x07
wim 0:e59142cded2b 158 #define PT6312_BRT0 0x00 //Pulsewidth 1/16
wim 0:e59142cded2b 159 #define PT6312_BRT1 0x01
wim 0:e59142cded2b 160 #define PT6312_BRT2 0x02
wim 0:e59142cded2b 161 #define PT6312_BRT3 0x03
wim 0:e59142cded2b 162 #define PT6312_BRT4 0x04
wim 0:e59142cded2b 163 #define PT6312_BRT5 0x05
wim 0:e59142cded2b 164 #define PT6312_BRT6 0x06
wim 0:e59142cded2b 165 #define PT6312_BRT7 0x07 //Pulsewidth 14/16
wim 0:e59142cded2b 166
wim 0:e59142cded2b 167 #define PT6312_BRT_DEF PT6312_BRT3
wim 0:e59142cded2b 168
wim 0:e59142cded2b 169 #define PT6312_DSP_OFF 0x00
wim 0:e59142cded2b 170 #define PT6312_DSP_ON 0x08
wim 0:e59142cded2b 171
wim 0:e59142cded2b 172
wim 0:e59142cded2b 173 /** A class for driving Princeton PT6312 VFD controller
wim 0:e59142cded2b 174 *
wim 0:e59142cded2b 175 * @brief Supports 4 Digits of 16 Segments upto 11 Digits of 11 Segments. Also supports a scanned keyboard of upto 24 keys, 4 switches and 4 LEDs.
wim 0:e59142cded2b 176 * SPI bus interface device.
wim 0:e59142cded2b 177 */
wim 0:e59142cded2b 178 class PT6312 {
wim 0:e59142cded2b 179 public:
wim 0:e59142cded2b 180
wim 0:e59142cded2b 181 /** Enums for display mode */
wim 0:e59142cded2b 182 enum Mode {
wim 0:e59142cded2b 183 Dig4_Seg16 = PT6312_DIG4_SEG16,
wim 0:e59142cded2b 184 Dig5_Seg16 = PT6312_DIG5_SEG16,
wim 0:e59142cded2b 185 Dig6_Seg16 = PT6312_DIG6_SEG16,
wim 0:e59142cded2b 186 Dig7_Seg15 = PT6312_DIG7_SEG15,
wim 0:e59142cded2b 187 Dig8_Seg14 = PT6312_DIG8_SEG14,
wim 0:e59142cded2b 188 Dig9_Seg13 = PT6312_DIG9_SEG13,
wim 0:e59142cded2b 189 Dig10_Seg12 = PT6312_DIG10_SEG12,
wim 0:e59142cded2b 190 Dig11_Seg11 = PT6312_DIG11_SEG11
wim 0:e59142cded2b 191 };
wim 0:e59142cded2b 192
wim 0:e59142cded2b 193 /** Datatypes for display and keymatrix data */
wim 0:e59142cded2b 194 typedef char DisplayData_t[PT6312_DISPLAY_MEM];
wim 0:e59142cded2b 195 typedef char KeyData_t[PT6312_KEY_MEM];
wim 0:e59142cded2b 196
wim 1:c5e247159aa6 197 /** Constructor for class for driving Princeton PT6312 VFD controller
wim 0:e59142cded2b 198 *
wim 0:e59142cded2b 199 * @brief Supports 4 Digits of 16 Segments upto 11 Digits of 11 Segments. Also supports a scanned keyboard of upto 24 keys, 4 switches and 4 LEDs.
wim 0:e59142cded2b 200 * SPI bus interface device.
wim 0:e59142cded2b 201 * @param PinName mosi, miso, sclk, cs SPI bus pins
wim 0:e59142cded2b 202 * @param Mode selects either number of Digits and 12 Segments (default 7 Digits, 15 Segments)
wim 0:e59142cded2b 203 */
wim 0:e59142cded2b 204 PT6312(PinName mosi, PinName miso, PinName sclk, PinName cs, Mode mode=Dig7_Seg15);
wim 0:e59142cded2b 205
wim 0:e59142cded2b 206 /** Clear the screen and locate to 0
wim 0:e59142cded2b 207 */
wim 0:e59142cded2b 208 void cls();
wim 0:e59142cded2b 209
wim 0:e59142cded2b 210 /** Write databyte to PT6312
wim 0:e59142cded2b 211 * @param int address display memory location to write byte
wim 0:e59142cded2b 212 * @param char data byte written at given address
wim 0:e59142cded2b 213 * @return none
wim 0:e59142cded2b 214 */
wim 0:e59142cded2b 215 void writeData(int address, char data);
wim 0:e59142cded2b 216
wim 0:e59142cded2b 217 /** Write Display datablock to PT6312
wim 3:156c23d9652a 218 * @param DisplayData_t data Array of PT6312_DISPLAY_MEM (=22) bytes for displaydata (starting at address 0)
wim 3:156c23d9652a 219 * @param length number bytes to write (valid range 0..PT6312_DISPLAY_MEM (=22), starting at address 0)
wim 0:e59142cded2b 220 * @return none
wim 0:e59142cded2b 221 */
wim 2:f010b7022803 222 void writeData(DisplayData_t data, int length = PT6312_DISPLAY_MEM);
wim 0:e59142cded2b 223
wim 0:e59142cded2b 224
wim 0:e59142cded2b 225 /** Read keydata block from PT6312
wim 0:e59142cded2b 226 * @param *keydata Ptr to Array of PT6312_KEY_MEM (=3) bytes for keydata
wim 0:e59142cded2b 227 * @return bool keypress True when at least one key was pressed
wim 0:e59142cded2b 228 *
wim 0:e59142cded2b 229 * Note: Due to the hardware configuration the PT6312 key matrix scanner will detect multiple keys pressed at same time,
wim 0:e59142cded2b 230 * but this may result in some spurious keys also being set in keypress data array.
wim 0:e59142cded2b 231 * It may be best to ignore all keys in those situations. That option is implemented in this method depending on #define setting.
wim 0:e59142cded2b 232 */
wim 1:c5e247159aa6 233 bool getKeys(KeyData_t *keydata);
wim 0:e59142cded2b 234
wim 0:e59142cded2b 235
wim 0:e59142cded2b 236 /** Read switches from PT6312
wim 0:e59142cded2b 237 *
wim 0:e59142cded2b 238 * @param none
wim 0:e59142cded2b 239 * @return char for switch data (4 least significant bits)
wim 0:e59142cded2b 240 *
wim 0:e59142cded2b 241 */
wim 1:c5e247159aa6 242 char getSwitches();
wim 0:e59142cded2b 243
wim 0:e59142cded2b 244 /** Set LEDs
wim 0:e59142cded2b 245 *
wim 0:e59142cded2b 246 * @param char leds (4 least significant bits)
wim 0:e59142cded2b 247 * @return none
wim 0:e59142cded2b 248 */
wim 0:e59142cded2b 249 void setLED (char leds = 0);
wim 0:e59142cded2b 250
wim 0:e59142cded2b 251 /** Set Brightness
wim 0:e59142cded2b 252 *
wim 0:e59142cded2b 253 * @param char brightness (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle)
wim 0:e59142cded2b 254 * @return none
wim 0:e59142cded2b 255 */
wim 0:e59142cded2b 256 void setBrightness(char brightness = PT6312_BRT_DEF);
wim 0:e59142cded2b 257
wim 0:e59142cded2b 258 /** Set the Display mode On/off
wim 0:e59142cded2b 259 *
wim 0:e59142cded2b 260 * @param bool display mode
wim 0:e59142cded2b 261 */
wim 0:e59142cded2b 262 void setDisplay(bool on);
wim 0:e59142cded2b 263
wim 0:e59142cded2b 264 private:
wim 0:e59142cded2b 265 SPI _spi;
wim 0:e59142cded2b 266 DigitalOut _cs;
wim 0:e59142cded2b 267 Mode _mode;
wim 0:e59142cded2b 268 char _display;
wim 0:e59142cded2b 269 char _bright;
wim 0:e59142cded2b 270
wim 0:e59142cded2b 271 /** Init the SPI interface and the controller
wim 0:e59142cded2b 272 * @param none
wim 0:e59142cded2b 273 * @return none
wim 0:e59142cded2b 274 */
wim 0:e59142cded2b 275 void _init();
wim 0:e59142cded2b 276
wim 0:e59142cded2b 277 /** Helper to reverse all command or databits. The PT6312 expects LSB first, whereas SPI is MSB first
wim 0:e59142cded2b 278 * @param char data
wim 0:e59142cded2b 279 * @return bitreversed data
wim 0:e59142cded2b 280 */
wim 0:e59142cded2b 281 char _flip(char data);
wim 0:e59142cded2b 282
wim 0:e59142cded2b 283 /** Write command and parameter to PT6312
wim 0:e59142cded2b 284 * @param int cmd Command byte
wim 0:e59142cded2b 285 * &Param int data Parameters for command
wim 0:e59142cded2b 286 * @return none
wim 0:e59142cded2b 287 */
wim 0:e59142cded2b 288 void _writeCmd(int cmd, int data);
wim 0:e59142cded2b 289 };
wim 0:e59142cded2b 290
wim 1:c5e247159aa6 291
wim 3:156c23d9652a 292 // Derived class for PT6312 used in Philips DVP630 front display unit
wim 3:156c23d9652a 293 //
wim 1:c5e247159aa6 294
wim 2:f010b7022803 295 #define DVP630_NR_DIGITS 7
wim 3:156c23d9652a 296 #define DVP630_NR_UDC 8
wim 2:f010b7022803 297
wim 2:f010b7022803 298 /** Constructor for class for driving Princeton PT6312 VFD controller as used in Philips DVP630
wim 1:c5e247159aa6 299 *
wim 3:156c23d9652a 300 * @brief Supports 7 Digits of 15 Segments. Also supports a scanned keyboard of 3 keys, 3 switches and 1 LED.
wim 3:156c23d9652a 301 *
wim 1:c5e247159aa6 302 * @param PinName mosi, miso, sclk, cs SPI bus pins
wim 1:c5e247159aa6 303 */
wim 2:f010b7022803 304 class PT6312_DVP630 : public PT6312, public Stream {
wim 1:c5e247159aa6 305 public:
wim 1:c5e247159aa6 306
wim 3:156c23d9652a 307 /** Enums for Icons */
wim 3:156c23d9652a 308 // Digit encoded in 16 MSBs, Icon pattern encoded in 16 LSBs
wim 3:156c23d9652a 309 enum Icon {
wim 3:156c23d9652a 310 Dig2_Col = (2<<16) | S_COL,
wim 3:156c23d9652a 311 Dig4_Col = (4<<16) | S_COL
wim 3:156c23d9652a 312 };
wim 3:156c23d9652a 313
wim 3:156c23d9652a 314 typedef char UDCData_t[DVP630_NR_UDC][2];
wim 3:156c23d9652a 315
wim 2:f010b7022803 316 /** Constructor for class for driving Princeton PT6312 VFD controller as used in Philips DVP630
wim 1:c5e247159aa6 317 *
wim 1:c5e247159aa6 318 * @brief Supports 7 Digits of 15 Segments. Also supports a scanned keyboard of 3 keys, 3 switches and 1 LED.
wim 3:156c23d9652a 319 *
wim 1:c5e247159aa6 320 * @param PinName mosi, miso, sclk, cs SPI bus pins
wim 1:c5e247159aa6 321 */
wim 2:f010b7022803 322 PT6312_DVP630(PinName mosi, PinName miso, PinName sclk, PinName cs);
wim 1:c5e247159aa6 323
wim 1:c5e247159aa6 324 #if DOXYGEN_ONLY
wim 1:c5e247159aa6 325 /** Write a character to the LCD
wim 1:c5e247159aa6 326 *
wim 1:c5e247159aa6 327 * @param c The character to write to the display
wim 1:c5e247159aa6 328 */
wim 1:c5e247159aa6 329 int putc(int c);
wim 1:c5e247159aa6 330
wim 1:c5e247159aa6 331 /** Write a formatted string to the LCD
wim 1:c5e247159aa6 332 *
wim 1:c5e247159aa6 333 * @param format A printf-style format string, followed by the
wim 1:c5e247159aa6 334 * variables to use in formatting the string.
wim 1:c5e247159aa6 335 */
wim 1:c5e247159aa6 336 int printf(const char* format, ...);
wim 1:c5e247159aa6 337 #endif
wim 1:c5e247159aa6 338
wim 1:c5e247159aa6 339 /** Locate cursor to a screen column
wim 1:c5e247159aa6 340 *
wim 1:c5e247159aa6 341 * @param column The horizontal position from the left, indexed from 0
wim 1:c5e247159aa6 342 */
wim 1:c5e247159aa6 343 void locate(int column);
wim 1:c5e247159aa6 344
wim 1:c5e247159aa6 345 /** Clear the screen and locate to 0
wim 1:c5e247159aa6 346 */
wim 1:c5e247159aa6 347 void cls();
wim 1:c5e247159aa6 348
wim 3:156c23d9652a 349 /** Set Icon
wim 3:156c23d9652a 350 *
wim 3:156c23d9652a 351 * @param Icon icon Enums Icon has Digit position encoded in 16 MSBs, Icon pattern encoded in 16 LSBs
wim 3:156c23d9652a 352 * @return none
wim 3:156c23d9652a 353 */
wim 3:156c23d9652a 354 void setIcon(Icon icon);
wim 3:156c23d9652a 355
wim 3:156c23d9652a 356 /** Clr Icon
wim 3:156c23d9652a 357 *
wim 3:156c23d9652a 358 * @param Icon icon Enums Icon has Digit position encoded in 16 MSBs, Icon pattern encoded in 16 LSBs
wim 3:156c23d9652a 359 * @return none
wim 3:156c23d9652a 360 */
wim 3:156c23d9652a 361 void clrIcon(Icon icon);
wim 3:156c23d9652a 362
wim 3:156c23d9652a 363 /** Set User Defined Characters (UDC)
wim 3:156c23d9652a 364 *
wim 3:156c23d9652a 365 * @param unsigned char udc_idx The Index of the UDC (0..7)
wim 3:156c23d9652a 366 * @param int udc_data The bitpattern for the UDC (16 bits)
wim 3:156c23d9652a 367 */
wim 3:156c23d9652a 368 void setUDC(unsigned char udc_idx, int udc_data);
wim 3:156c23d9652a 369
wim 3:156c23d9652a 370
wim 1:c5e247159aa6 371 /** Number of screen columns
wim 1:c5e247159aa6 372 *
wim 1:c5e247159aa6 373 * @param none
wim 1:c5e247159aa6 374 * @return columns
wim 1:c5e247159aa6 375 */
wim 1:c5e247159aa6 376 int columns();
wim 1:c5e247159aa6 377
wim 3:156c23d9652a 378 /** Write Display datablock to PT6312
wim 3:156c23d9652a 379 * @param DisplayData_t data Array of PT6312_DISPLAY_MEM (=22) bytes for displaydata (starting at address 0)
wim 3:156c23d9652a 380 * @param length number bytes to write (valid range 0..(DVP630_NR_DIGITS*2) (=14), starting at address 0)
wim 3:156c23d9652a 381 * @return none
wim 3:156c23d9652a 382 */
wim 3:156c23d9652a 383 void writeData(DisplayData_t data, int length = (DVP630_NR_DIGITS*2)) {
wim 3:156c23d9652a 384 PT6312::writeData(data, length);
wim 3:156c23d9652a 385 }
wim 2:f010b7022803 386
wim 1:c5e247159aa6 387 protected:
wim 1:c5e247159aa6 388 // Stream implementation functions
wim 1:c5e247159aa6 389 virtual int _putc(int value);
wim 1:c5e247159aa6 390 virtual int _getc();
wim 1:c5e247159aa6 391
wim 1:c5e247159aa6 392 private:
wim 1:c5e247159aa6 393 int _column;
wim 2:f010b7022803 394 int _columns;
wim 2:f010b7022803 395
wim 2:f010b7022803 396 DisplayData_t _displaybuffer;
wim 3:156c23d9652a 397 UDCData_t _UDC_16S;
wim 1:c5e247159aa6 398 };
wim 1:c5e247159aa6 399
wim 0:e59142cded2b 400 #endif