Wim Huiskamp / TM1638

TM1638 LED controller. Max 80 LEDs, Max 24 Key scan. Supports LED&KEY, QYF-TM1638 and JY-LKM1638 module.

Dependents:   mbed_TM1638 Otjimaniya RL0201-V1

See here for more information.

TM1638.h@1:1f2453ed85d7, 2016-01-09 (annotated)

Committer:
wim
Date:
Sat Jan 09 14:30:43 2016 +0000
Revision:
1:1f2453ed85d7
Parent:
0:201dfacbe0e5
Child:
2:532ce15ea9ec
TM1638 LED controller, Initial version.; Supports LED&KEY module.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wim 0:201dfacbe0e5 1 /* mbed TM1638 Library, for TM1638 LED controller
wim 0:201dfacbe0e5 2 * Copyright (c) 2015, v01: WH, Initial version
wim 0:201dfacbe0e5 3 *
wim 0:201dfacbe0e5 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
wim 0:201dfacbe0e5 5 * of this software and associated documentation files (the "Software"), to deal
wim 0:201dfacbe0e5 6 * in the Software without restriction, including without limitation the rights
wim 0:201dfacbe0e5 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
wim 0:201dfacbe0e5 8 * copies of the Software, and to permit persons to whom the Software is
wim 0:201dfacbe0e5 9 * furnished to do so, subject to the following conditions:
wim 0:201dfacbe0e5 10 *
wim 0:201dfacbe0e5 11 * The above copyright notice and this permission notice shall be included in
wim 0:201dfacbe0e5 12 * all copies or substantial portions of the Software.
wim 0:201dfacbe0e5 13 *
wim 0:201dfacbe0e5 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
wim 0:201dfacbe0e5 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
wim 0:201dfacbe0e5 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
wim 0:201dfacbe0e5 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
wim 0:201dfacbe0e5 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
wim 0:201dfacbe0e5 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
wim 0:201dfacbe0e5 20 * THE SOFTWARE.
wim 0:201dfacbe0e5 21 */
wim 0:201dfacbe0e5 22
wim 0:201dfacbe0e5 23 #ifndef TM1638_H
wim 0:201dfacbe0e5 24 #define TM1638_H
wim 0:201dfacbe0e5 25
wim 0:201dfacbe0e5 26 // Select one of the testboards for TM1638 LED controller
wim 0:201dfacbe0e5 27 #include "TM1638_Config.h"
wim 0:201dfacbe0e5 28
wim 0:201dfacbe0e5 29 /** An interface for driving TM1638 LED controller
wim 0:201dfacbe0e5 30 *
wim 0:201dfacbe0e5 31 * @code
wim 0:201dfacbe0e5 32 * #include "mbed.h"
wim 0:201dfacbe0e5 33 * #include "TM1638.h"
wim 0:201dfacbe0e5 34 *
wim 0:201dfacbe0e5 35 * DisplayData_t size is 16 bytes (8 grids @ 10 segments)
wim 0:201dfacbe0e5 36 * TM1638::DisplayData_t all_str = {0xFF,0x3F, 0xFF,0x3F, 0xFF,0x3F, 0xFF,0x3F, 0xFF,0x3F, 0xFF,0x3F, 0xFF,0x3F, 0xFF,0x3F};
wim 0:201dfacbe0e5 37 *
wim 1:1f2453ed85d7 38 * // KeyData_t size is 4 bytes
wim 0:201dfacbe0e5 39 * TM1638::KeyData_t keydata;
wim 0:201dfacbe0e5 40 *
wim 0:201dfacbe0e5 41 * // TM1638 declaration
wim 0:201dfacbe0e5 42 * TM1638 TM1638(p5,p6,p7, p8);
wim 0:201dfacbe0e5 43 *
wim 0:201dfacbe0e5 44 * int main() {
wim 0:201dfacbe0e5 45 * TM1638.cls();
wim 0:201dfacbe0e5 46 * TM1638.writeData(all_str);
wim 0:201dfacbe0e5 47 * wait(1);
wim 0:201dfacbe0e5 48 * TM1638.setBrightness(TM1638_BRT0);
wim 0:201dfacbe0e5 49 * wait(1);
wim 0:201dfacbe0e5 50 * TM1638.setBrightness(TM1638_BRT3);
wim 0:201dfacbe0e5 51 *
wim 0:201dfacbe0e5 52 * while (1) {
wim 0:201dfacbe0e5 53 * // Check and read keydata
wim 0:201dfacbe0e5 54 * if (TM1638.getKeys(&keydata)) {
wim 0:201dfacbe0e5 55 * pc.printf("Keydata 0..3 = 0x%02x 0x%02x 0x%02x 0x%02x\r\n", keydata[0], keydata[1], keydata[2], keydata[3]);
wim 0:201dfacbe0e5 56 *
wim 1:1f2453ed85d7 57 * if (keydata[0] == 0x01) { //sw1
wim 0:201dfacbe0e5 58 * TM1638.cls();
wim 0:201dfacbe0e5 59 * TM1638.writeData(all_str);
wim 0:201dfacbe0e5 60 * }
wim 0:201dfacbe0e5 61 * }
wim 0:201dfacbe0e5 62 * }
wim 0:201dfacbe0e5 63 * }
wim 0:201dfacbe0e5 64 * @endcode
wim 0:201dfacbe0e5 65 */
wim 0:201dfacbe0e5 66
wim 0:201dfacbe0e5 67 //Memory size in bytes for Display and Keymatrix
wim 0:201dfacbe0e5 68 #define TM1638_DISPLAY_MEM 16
wim 0:201dfacbe0e5 69 #define TM1638_KEY_MEM 4
wim 0:201dfacbe0e5 70 //Significant bits Keymatrix data
wim 0:201dfacbe0e5 71 #define TM1638_KEY_BITS 6
wim 0:201dfacbe0e5 72
wim 0:201dfacbe0e5 73 //Reserved bits for commands
wim 0:201dfacbe0e5 74 #define TM1638_CMD_MSK 0xC0
wim 0:201dfacbe0e5 75
wim 0:201dfacbe0e5 76 //Data setting commands
wim 0:201dfacbe0e5 77 #define TM1638_DATA_SET_CMD 0x40
wim 0:201dfacbe0e5 78 #define TM1638_DATA_WR 0x00
wim 0:201dfacbe0e5 79 #define TM1638_KEY_RD 0x02
wim 0:201dfacbe0e5 80 #define TM1638_ADDR_INC 0x00
wim 0:201dfacbe0e5 81 #define TM1638_ADDR_FIXED 0x04
wim 0:201dfacbe0e5 82 #define TM1638_MODE_NORM 0x00
wim 0:201dfacbe0e5 83 #define TM1638_MODE_TEST 0x08
wim 0:201dfacbe0e5 84
wim 0:201dfacbe0e5 85 //Address setting commands
wim 0:201dfacbe0e5 86 #define TM1638_ADDR_SET_CMD 0xC0
wim 0:201dfacbe0e5 87 #define TM1638_ADDR_MSK 0x0F
wim 0:201dfacbe0e5 88
wim 0:201dfacbe0e5 89 //Display control commands
wim 0:201dfacbe0e5 90 #define TM1638_DSP_CTRL_CMD 0x80
wim 0:201dfacbe0e5 91 #define TM1638_BRT_MSK 0x07
wim 0:201dfacbe0e5 92 #define TM1638_BRT0 0x00 //Pulsewidth 1/16
wim 0:201dfacbe0e5 93 #define TM1638_BRT1 0x01
wim 0:201dfacbe0e5 94 #define TM1638_BRT2 0x02
wim 0:201dfacbe0e5 95 #define TM1638_BRT3 0x03
wim 0:201dfacbe0e5 96 #define TM1638_BRT4 0x04
wim 0:201dfacbe0e5 97 #define TM1638_BRT5 0x05
wim 0:201dfacbe0e5 98 #define TM1638_BRT6 0x06
wim 0:201dfacbe0e5 99 #define TM1638_BRT7 0x07 //Pulsewidth 14/16
wim 0:201dfacbe0e5 100
wim 0:201dfacbe0e5 101 #define TM1638_BRT_DEF TM1638_BRT3
wim 0:201dfacbe0e5 102
wim 0:201dfacbe0e5 103 #define TM1638_DSP_OFF 0x00
wim 0:201dfacbe0e5 104 #define TM1638_DSP_ON 0x08
wim 0:201dfacbe0e5 105
wim 0:201dfacbe0e5 106
wim 0:201dfacbe0e5 107 /** A class for driving TM1638 LED controller
wim 0:201dfacbe0e5 108 *
wim 0:201dfacbe0e5 109 * @brief Supports 8 Grids @ 10 Segments.
wim 0:201dfacbe0e5 110 * Also supports a scanned keyboard of upto 24 keys.
wim 0:201dfacbe0e5 111 * SPI bus interface device.
wim 0:201dfacbe0e5 112 */
wim 0:201dfacbe0e5 113 class TM1638 {
wim 0:201dfacbe0e5 114 public:
wim 0:201dfacbe0e5 115
wim 0:201dfacbe0e5 116 /** Datatypes for display and keymatrix data */
wim 0:201dfacbe0e5 117 typedef char DisplayData_t[TM1638_DISPLAY_MEM];
wim 0:201dfacbe0e5 118 typedef char KeyData_t[TM1638_KEY_MEM];
wim 0:201dfacbe0e5 119
wim 0:201dfacbe0e5 120 /** Constructor for class for driving TM1638 LED controller
wim 0:201dfacbe0e5 121 *
wim 0:201dfacbe0e5 122 * @brief Supports 8 Grids @ 10 segments.
wim 0:201dfacbe0e5 123 * Also supports a scanned keyboard of upto 24 keys.
wim 0:201dfacbe0e5 124 * SPI bus interface device.
wim 0:201dfacbe0e5 125 *
wim 0:201dfacbe0e5 126 * @param PinName mosi, miso, sclk, cs SPI bus pins
wim 0:201dfacbe0e5 127 */
wim 0:201dfacbe0e5 128 TM1638(PinName mosi, PinName miso, PinName sclk, PinName cs);
wim 0:201dfacbe0e5 129
wim 0:201dfacbe0e5 130 /** Clear the screen and locate to 0
wim 0:201dfacbe0e5 131 */
wim 0:201dfacbe0e5 132 void cls();
wim 0:201dfacbe0e5 133
wim 0:201dfacbe0e5 134 /** Write databyte to TM1638
wim 0:201dfacbe0e5 135 * @param int address display memory location to write byte
wim 0:201dfacbe0e5 136 * @param char data byte written at given address
wim 0:201dfacbe0e5 137 * @return none
wim 0:201dfacbe0e5 138 */
wim 0:201dfacbe0e5 139 void writeData(int address, char data);
wim 0:201dfacbe0e5 140
wim 0:201dfacbe0e5 141 /** Write Display datablock to TM1638
wim 0:201dfacbe0e5 142 * @param DisplayData_t data Array of TM1638_DISPLAY_MEM (=16) bytes for displaydata (starting at address 0)
wim 0:201dfacbe0e5 143 * @param length number bytes to write (valid range 0..TM1638_DISPLAY_MEM (=16), starting at address 0)
wim 0:201dfacbe0e5 144 * @return none
wim 0:201dfacbe0e5 145 */
wim 0:201dfacbe0e5 146 void writeData(DisplayData_t data, int length = TM1638_DISPLAY_MEM);
wim 0:201dfacbe0e5 147
wim 0:201dfacbe0e5 148 /** Read keydata block from TM1638
wim 0:201dfacbe0e5 149 * @param *keydata Ptr to Array of TM1638_KEY_MEM (=4) bytes for keydata
wim 0:201dfacbe0e5 150 * @return bool keypress True when at least one key was pressed
wim 0:201dfacbe0e5 151 *
wim 0:201dfacbe0e5 152 * Note: Due to the hardware configuration the TM1638 key matrix scanner will detect multiple keys pressed at same time,
wim 0:201dfacbe0e5 153 * but this may result in some spurious keys also being set in keypress data array.
wim 0:201dfacbe0e5 154 * It may be best to ignore all keys in those situations. That option is implemented in this method depending on #define setting.
wim 0:201dfacbe0e5 155 */
wim 0:201dfacbe0e5 156 bool getKeys(KeyData_t *keydata);
wim 0:201dfacbe0e5 157
wim 0:201dfacbe0e5 158 /** Set Brightness
wim 0:201dfacbe0e5 159 *
wim 0:201dfacbe0e5 160 * @param char brightness (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle)
wim 0:201dfacbe0e5 161 * @return none
wim 0:201dfacbe0e5 162 */
wim 0:201dfacbe0e5 163 void setBrightness(char brightness = TM1638_BRT_DEF);
wim 0:201dfacbe0e5 164
wim 0:201dfacbe0e5 165 /** Set the Display mode On/off
wim 0:201dfacbe0e5 166 *
wim 0:201dfacbe0e5 167 * @param bool display mode
wim 0:201dfacbe0e5 168 */
wim 0:201dfacbe0e5 169 void setDisplay(bool on);
wim 0:201dfacbe0e5 170
wim 0:201dfacbe0e5 171 private:
wim 0:201dfacbe0e5 172 SPI _spi;
wim 0:201dfacbe0e5 173 DigitalOut _cs;
wim 0:201dfacbe0e5 174 char _display;
wim 0:201dfacbe0e5 175 char _bright;
wim 0:201dfacbe0e5 176
wim 0:201dfacbe0e5 177 /** Init the SPI interface and the controller
wim 0:201dfacbe0e5 178 * @param none
wim 0:201dfacbe0e5 179 * @return none
wim 0:201dfacbe0e5 180 */
wim 0:201dfacbe0e5 181 void _init();
wim 0:201dfacbe0e5 182
wim 0:201dfacbe0e5 183 /** Helper to reverse all command or databits. The TM1638 expects LSB first, whereas SPI is MSB first
wim 0:201dfacbe0e5 184 * @param char data
wim 0:201dfacbe0e5 185 * @return bitreversed data
wim 0:201dfacbe0e5 186 */
wim 0:201dfacbe0e5 187 char _flip(char data);
wim 0:201dfacbe0e5 188
wim 0:201dfacbe0e5 189 /** Write command and parameter to TM1638
wim 0:201dfacbe0e5 190 * @param int cmd Command byte
wim 0:201dfacbe0e5 191 * &Param int data Parameters for command
wim 0:201dfacbe0e5 192 * @return none
wim 0:201dfacbe0e5 193 */
wim 0:201dfacbe0e5 194 void _writeCmd(int cmd, int data);
wim 0:201dfacbe0e5 195 };
wim 0:201dfacbe0e5 196
wim 0:201dfacbe0e5 197
wim 0:201dfacbe0e5 198 #if (LEDKEY8_TEST == 1)
wim 0:201dfacbe0e5 199 // Derived class for TM1638 used in LED&KEY display unit
wim 0:201dfacbe0e5 200 //
wim 0:201dfacbe0e5 201
wim 0:201dfacbe0e5 202 #include "Font_7Seg.h"
wim 0:201dfacbe0e5 203
wim 0:201dfacbe0e5 204 #define LEDKEY8_NR_GRIDS 8
wim 0:201dfacbe0e5 205 #define LEDKEY8_NR_DIGITS 8
wim 0:201dfacbe0e5 206 #define LEDKEY8_NR_UDC 8
wim 0:201dfacbe0e5 207
wim 1:1f2453ed85d7 208 //Access to 8 Switches
wim 1:1f2453ed85d7 209 #define LEDKEY8_SW1_IDX 0
wim 1:1f2453ed85d7 210 #define LEDKEY8_SW1_BIT 0x01
wim 1:1f2453ed85d7 211 #define LEDKEY8_SW2_IDX 1
wim 1:1f2453ed85d7 212 #define LEDKEY8_SW2_BIT 0x01
wim 1:1f2453ed85d7 213 #define LEDKEY8_SW3_IDX 2
wim 1:1f2453ed85d7 214 #define LEDKEY8_SW3_BIT 0x01
wim 1:1f2453ed85d7 215 #define LEDKEY8_SW4_IDX 3
wim 1:1f2453ed85d7 216 #define LEDKEY8_SW4_BIT 0x01
wim 1:1f2453ed85d7 217
wim 1:1f2453ed85d7 218 #define LEDKEY8_SW5_IDX 0
wim 1:1f2453ed85d7 219 #define LEDKEY8_SW5_BIT 0x10
wim 1:1f2453ed85d7 220 #define LEDKEY8_SW6_IDX 1
wim 1:1f2453ed85d7 221 #define LEDKEY8_SW6_BIT 0x10
wim 1:1f2453ed85d7 222 #define LEDKEY8_SW7_IDX 2
wim 1:1f2453ed85d7 223 #define LEDKEY8_SW7_BIT 0x10
wim 1:1f2453ed85d7 224 #define LEDKEY8_SW8_IDX 3
wim 1:1f2453ed85d7 225 #define LEDKEY8_SW8_BIT 0x10
wim 1:1f2453ed85d7 226
wim 0:201dfacbe0e5 227 /** Constructor for class for driving TM1638 controller as used in LEDKEY8
wim 0:201dfacbe0e5 228 *
wim 0:201dfacbe0e5 229 * @brief Supports 8 Digits of 7 Segments + DP + LED Icons, Also supports a scanned keyboard of 8 keys.
wim 0:201dfacbe0e5 230 *
wim 0:201dfacbe0e5 231 * @param PinName mosi, miso, sclk, cs SPI bus pins
wim 0:201dfacbe0e5 232 */
wim 0:201dfacbe0e5 233 class TM1638_LEDKEY8 : public TM1638, public Stream {
wim 0:201dfacbe0e5 234 public:
wim 0:201dfacbe0e5 235
wim 0:201dfacbe0e5 236 /** Enums for Icons */
wim 1:1f2453ed85d7 237 // Grid encoded in 8 MSBs, Icon pattern encoded in 16 LSBs
wim 0:201dfacbe0e5 238 enum Icon {
wim 0:201dfacbe0e5 239 LD1 = (1<<24) | S7_LD1,
wim 0:201dfacbe0e5 240 LD2 = (2<<24) | S7_LD2,
wim 0:201dfacbe0e5 241 LD3 = (3<<24) | S7_LD3,
wim 0:201dfacbe0e5 242 LD4 = (4<<24) | S7_LD4,
wim 0:201dfacbe0e5 243 LD5 = (5<<24) | S7_LD5,
wim 0:201dfacbe0e5 244 LD6 = (6<<24) | S7_LD6,
wim 0:201dfacbe0e5 245 LD7 = (7<<24) | S7_LD7,
wim 0:201dfacbe0e5 246 LD8 = (8<<24) | S7_LD8,
wim 0:201dfacbe0e5 247
wim 0:201dfacbe0e5 248 DP1 = (1<<24) | S7_DP1,
wim 0:201dfacbe0e5 249 DP2 = (2<<24) | S7_DP2,
wim 0:201dfacbe0e5 250 DP3 = (3<<24) | S7_DP3,
wim 0:201dfacbe0e5 251 DP4 = (4<<24) | S7_DP4,
wim 0:201dfacbe0e5 252 DP5 = (5<<24) | S7_DP5,
wim 0:201dfacbe0e5 253 DP6 = (6<<24) | S7_DP6,
wim 0:201dfacbe0e5 254 DP7 = (7<<24) | S7_DP7,
wim 0:201dfacbe0e5 255 DP8 = (8<<24) | S7_DP8
wim 0:201dfacbe0e5 256 };
wim 0:201dfacbe0e5 257
wim 0:201dfacbe0e5 258 typedef char UDCData_t[LEDKEY8_NR_UDC];
wim 0:201dfacbe0e5 259
wim 0:201dfacbe0e5 260 /** Constructor for class for driving TM1638 LED controller as used in LEDKEY8
wim 0:201dfacbe0e5 261 *
wim 0:201dfacbe0e5 262 * @brief Supports 8 Digits of 7 Segments + DP + LED Icons. Also supports a scanned keyboard of 8 keys.
wim 0:201dfacbe0e5 263 *
wim 0:201dfacbe0e5 264 * @param PinName mosi, miso, sclk, cs SPI bus pins
wim 0:201dfacbe0e5 265 */
wim 0:201dfacbe0e5 266 TM1638_LEDKEY8(PinName mosi, PinName miso, PinName sclk, PinName cs);
wim 0:201dfacbe0e5 267
wim 0:201dfacbe0e5 268 #if DOXYGEN_ONLY
wim 0:201dfacbe0e5 269 /** Write a character to the Display
wim 0:201dfacbe0e5 270 *
wim 0:201dfacbe0e5 271 * @param c The character to write to the display
wim 0:201dfacbe0e5 272 */
wim 0:201dfacbe0e5 273 int putc(int c);
wim 0:201dfacbe0e5 274
wim 0:201dfacbe0e5 275 /** Write a formatted string to the Display
wim 0:201dfacbe0e5 276 *
wim 0:201dfacbe0e5 277 * @param format A printf-style format string, followed by the
wim 0:201dfacbe0e5 278 * variables to use in formatting the string.
wim 0:201dfacbe0e5 279 */
wim 0:201dfacbe0e5 280 int printf(const char* format, ...);
wim 0:201dfacbe0e5 281 #endif
wim 0:201dfacbe0e5 282
wim 0:201dfacbe0e5 283 /** Locate cursor to a screen column
wim 0:201dfacbe0e5 284 *
wim 0:201dfacbe0e5 285 * @param column The horizontal position from the left, indexed from 0
wim 0:201dfacbe0e5 286 */
wim 0:201dfacbe0e5 287 void locate(int column);
wim 0:201dfacbe0e5 288
wim 0:201dfacbe0e5 289 /** Clear the screen and locate to 0
wim 0:201dfacbe0e5 290 * @param bool clrAll Clear Icons also (default = false)
wim 0:201dfacbe0e5 291 */
wim 0:201dfacbe0e5 292 void cls(bool clrAll = false);
wim 0:201dfacbe0e5 293
wim 0:201dfacbe0e5 294 /** Set Icon
wim 0:201dfacbe0e5 295 *
wim 1:1f2453ed85d7 296 * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs
wim 0:201dfacbe0e5 297 * @return none
wim 0:201dfacbe0e5 298 */
wim 0:201dfacbe0e5 299 void setIcon(Icon icon);
wim 0:201dfacbe0e5 300
wim 0:201dfacbe0e5 301 /** Clr Icon
wim 0:201dfacbe0e5 302 *
wim 1:1f2453ed85d7 303 * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs
wim 0:201dfacbe0e5 304 * @return none
wim 0:201dfacbe0e5 305 */
wim 0:201dfacbe0e5 306 void clrIcon(Icon icon);
wim 0:201dfacbe0e5 307
wim 0:201dfacbe0e5 308 /** Set User Defined Characters (UDC)
wim 0:201dfacbe0e5 309 *
wim 0:201dfacbe0e5 310 * @param unsigned char udc_idx The Index of the UDC (0..7)
wim 0:201dfacbe0e5 311 * @param int udc_data The bitpattern for the UDC (16 bits)
wim 0:201dfacbe0e5 312 */
wim 0:201dfacbe0e5 313 void setUDC(unsigned char udc_idx, int udc_data);
wim 0:201dfacbe0e5 314
wim 0:201dfacbe0e5 315
wim 0:201dfacbe0e5 316 /** Number of screen columns
wim 0:201dfacbe0e5 317 *
wim 0:201dfacbe0e5 318 * @param none
wim 0:201dfacbe0e5 319 * @return columns
wim 0:201dfacbe0e5 320 */
wim 0:201dfacbe0e5 321 int columns();
wim 0:201dfacbe0e5 322
wim 0:201dfacbe0e5 323 /** Write databyte to TM1638
wim 0:201dfacbe0e5 324 * @param int address display memory location to write byte
wim 0:201dfacbe0e5 325 * @param char data byte written at given address
wim 0:201dfacbe0e5 326 * @return none
wim 0:201dfacbe0e5 327 */
wim 0:201dfacbe0e5 328 void writeData(int address, char data){
wim 0:201dfacbe0e5 329 TM1638::writeData(address, data);
wim 0:201dfacbe0e5 330 }
wim 0:201dfacbe0e5 331
wim 0:201dfacbe0e5 332 /** Write Display datablock to TM1638
wim 0:201dfacbe0e5 333 * @param DisplayData_t data Array of TM1638_DISPLAY_MEM (=16) bytes for displaydata (starting at address 0)
wim 0:201dfacbe0e5 334 * @param length number bytes to write (valid range 0..(LEDKEY8_NR_GRIDS*2) (=16), starting at address 0)
wim 0:201dfacbe0e5 335 * @return none
wim 0:201dfacbe0e5 336 */
wim 0:201dfacbe0e5 337 void writeData(DisplayData_t data, int length = (LEDKEY8_NR_GRIDS*2)) {
wim 0:201dfacbe0e5 338 TM1638::writeData(data, length);
wim 0:201dfacbe0e5 339 }
wim 0:201dfacbe0e5 340
wim 0:201dfacbe0e5 341 protected:
wim 0:201dfacbe0e5 342 // Stream implementation functions
wim 0:201dfacbe0e5 343 virtual int _putc(int value);
wim 0:201dfacbe0e5 344 virtual int _getc();
wim 0:201dfacbe0e5 345
wim 0:201dfacbe0e5 346 private:
wim 0:201dfacbe0e5 347 int _column;
wim 0:201dfacbe0e5 348 int _columns;
wim 0:201dfacbe0e5 349
wim 0:201dfacbe0e5 350 DisplayData_t _displaybuffer;
wim 0:201dfacbe0e5 351 UDCData_t _UDC_7S;
wim 0:201dfacbe0e5 352 };
wim 0:201dfacbe0e5 353 #endif
wim 0:201dfacbe0e5 354
wim 0:201dfacbe0e5 355 #endif