Wim Huiskamp / LC75711

Sanyo LC75711 VFD controller/driver for upto 16 Dot Matrix Characters

Dependents:   mbed_LC75711

The component page is here.

LC75711.h@0:5eb5fee234e8, 2017-09-12 (annotated)

Committer:
wim
Date:
Tue Sep 12 18:36:56 2017 +0000
Revision:
0:5eb5fee234e8
Child:
1:bcf010fcacae
LC75711 VFD Driver

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wim 0:5eb5fee234e8 1 /* mbed LC75710 Library, for Sanyo LC7571X VFD controller
wim 0:5eb5fee234e8 2 * Note: The LC75710, LC75711 and LC75712 differ only in the built-in character ROM
wim 0:5eb5fee234e8 3 *
wim 0:5eb5fee234e8 4 * Copyright (c) 2017, v01: WH, Initial version
wim 0:5eb5fee234e8 5 *
wim 0:5eb5fee234e8 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
wim 0:5eb5fee234e8 7 * of this software and associated documentation files (the "Software"), to deal
wim 0:5eb5fee234e8 8 * in the Software without restriction, including without limitation the rights
wim 0:5eb5fee234e8 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
wim 0:5eb5fee234e8 10 * copies of the Software, and to permit persons to whom the Software is
wim 0:5eb5fee234e8 11 * furnished to do so, subject to the following conditions:
wim 0:5eb5fee234e8 12 *
wim 0:5eb5fee234e8 13 * The above copyright notice and this permission notice shall be included in
wim 0:5eb5fee234e8 14 * all copies or substantial portions of the Software.
wim 0:5eb5fee234e8 15 *
wim 0:5eb5fee234e8 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
wim 0:5eb5fee234e8 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
wim 0:5eb5fee234e8 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
wim 0:5eb5fee234e8 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
wim 0:5eb5fee234e8 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
wim 0:5eb5fee234e8 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
wim 0:5eb5fee234e8 22 * THE SOFTWARE.
wim 0:5eb5fee234e8 23 */
wim 0:5eb5fee234e8 24
wim 0:5eb5fee234e8 25 #ifndef LC75711_H
wim 0:5eb5fee234e8 26 #define LC75711_H
wim 0:5eb5fee234e8 27
wim 0:5eb5fee234e8 28 // Select one of the testboards for Sanyo LC75711 VFD controller
wim 0:5eb5fee234e8 29 #include "LC75711_Config.h"
wim 0:5eb5fee234e8 30 #include "LC75711_UDC.h"
wim 0:5eb5fee234e8 31
wim 0:5eb5fee234e8 32 /** An interface for driving Sanyo LC75711 VFD controller
wim 0:5eb5fee234e8 33 *
wim 0:5eb5fee234e8 34 * @code
wim 0:5eb5fee234e8 35 *
wim 0:5eb5fee234e8 36 * #if (LC75711_TEST == 1)
wim 0:5eb5fee234e8 37 * // Direct driving of LC75711 Test
wim 0:5eb5fee234e8 38 *
wim 0:5eb5fee234e8 39 * #include "mbed.h"
wim 0:5eb5fee234e8 40 * #include "LC75711.h"
wim 0:5eb5fee234e8 41 *
wim 0:5eb5fee234e8 42 * DigitalOut myled(LED1);
wim 0:5eb5fee234e8 43 * Serial pc(USBTX, USBRX);
wim 0:5eb5fee234e8 44 *
wim 0:5eb5fee234e8 45 * // LC75711 declaration, Default setting 16 Grids @ 35 Segments
wim 0:5eb5fee234e8 46 * LC75711 LC75711(p5, p7, p8); // DI, CLK, CS
wim 0:5eb5fee234e8 47 *
wim 0:5eb5fee234e8 48 * int main() {
wim 0:5eb5fee234e8 49 * pc.printf("Hello World: LC75711 test\n\r");
wim 0:5eb5fee234e8 50 *
wim 0:5eb5fee234e8 51 * LC75711.cls();
wim 0:5eb5fee234e8 52 * LC75711.writeData(all_str);
wim 0:5eb5fee234e8 53 * wait(4);
wim 0:5eb5fee234e8 54 * LC75711.setBrightness(LC75711_BRT0);
wim 0:5eb5fee234e8 55 * wait(1);
wim 0:5eb5fee234e8 56 * LC75711.setBrightness(LC75711_BRT3);
wim 0:5eb5fee234e8 57 *
wim 0:5eb5fee234e8 58 * LC75711.writeData((char)'H', 9);
wim 0:5eb5fee234e8 59 * LC75711.writeData((char)'e', 8);
wim 0:5eb5fee234e8 60 * LC75711.writeData((char)'l', 7);
wim 0:5eb5fee234e8 61 * LC75711.writeData((char)'l', 6);
wim 0:5eb5fee234e8 62 * LC75711.writeData((char)'o', 5);
wim 0:5eb5fee234e8 63 *
wim 0:5eb5fee234e8 64 * while(1) {
wim 0:5eb5fee234e8 65 * myled = !myled;
wim 0:5eb5fee234e8 66 * wait(1);
wim 0:5eb5fee234e8 67 * }
wim 0:5eb5fee234e8 68 * }
wim 0:5eb5fee234e8 69 * #endif
wim 0:5eb5fee234e8 70 *
wim 0:5eb5fee234e8 71 * @endcode
wim 0:5eb5fee234e8 72 */
wim 0:5eb5fee234e8 73
wim 0:5eb5fee234e8 74
wim 0:5eb5fee234e8 75 //LC75711 Display and Annunciator data
wim 0:5eb5fee234e8 76 #define LC75711_MAX_NR_GRIDS 16
wim 0:5eb5fee234e8 77 #define LC75711_BYTES_PER_GRID 1
wim 0:5eb5fee234e8 78
wim 0:5eb5fee234e8 79 //Memory size in bytes for Display and Annunciators
wim 0:5eb5fee234e8 80 #define LC75711_DISPLAY_MEM 64
wim 0:5eb5fee234e8 81 #define LC75711_ADD_MEM 16
wim 0:5eb5fee234e8 82 //#define LC75711_UDC_MEM 8
wim 0:5eb5fee234e8 83
wim 0:5eb5fee234e8 84 //Serial control data consists of an 8-bit address and a 24-bit instruction. The address is used as a chip select function
wim 0:5eb5fee234e8 85 //when multiple ICs are connected to the same bus. The address for the LC75710NE series is only used to distinguish the device
wim 0:5eb5fee234e8 86 //from different types of devices. Multiple LC75711 devices on the same bus can only be distinguised by the CE control.
wim 0:5eb5fee234e8 87 //Note that the serial control is similar but not identical to SPI behaviour:
wim 0:5eb5fee234e8 88 // The address is transmitted during CE low, the command & data is latched on falling CE edge.
wim 0:5eb5fee234e8 89 // A wait time must be observed after each command. Typical delay is 18 us.
wim 0:5eb5fee234e8 90 //Address (LSB sent first)
wim 0:5eb5fee234e8 91 #define LC75711_ADDRESS 0x67
wim 0:5eb5fee234e8 92
wim 0:5eb5fee234e8 93
wim 0:5eb5fee234e8 94 //
wim 0:5eb5fee234e8 95 //Blink command, allows individual digit control
wim 0:5eb5fee234e8 96 // 1 0 1 M A BC2 BC1 BC0 GR16 ... GR1
wim 0:5eb5fee234e8 97 #define LC75711_BLNK_REG 0xA0
wim 0:5eb5fee234e8 98 #define LC75711_BLNK_MA_MSK 0x18
wim 0:5eb5fee234e8 99 #define LC75711_BLNK_BC_MSK 0x07
wim 0:5eb5fee234e8 100
wim 0:5eb5fee234e8 101 //Blinking Mode
wim 0:5eb5fee234e8 102 // M A Display operating state
wim 0:5eb5fee234e8 103 // 0 0 Neither MDATA nor ADATA blinks.
wim 0:5eb5fee234e8 104 // 0 1 Only ADATA blinks.
wim 0:5eb5fee234e8 105 // 1 0 Only MDATA blinks.
wim 0:5eb5fee234e8 106 // 1 1 Both ADATA and MDATA blink.
wim 0:5eb5fee234e8 107
wim 0:5eb5fee234e8 108 //Blinking Period in sec when fOSC is 2.7 MHz
wim 0:5eb5fee234e8 109 // BC2 BC1 BC0 HEX
wim 0:5eb5fee234e8 110 // 0 0 0 0 Blink operation is stopped.
wim 0:5eb5fee234e8 111 // 0 0 1 1 0.1
wim 0:5eb5fee234e8 112 // 0 1 0 2 0.2
wim 0:5eb5fee234e8 113 // 0 1 1 3 0.3
wim 0:5eb5fee234e8 114 // 1 0 0 4 0.4
wim 0:5eb5fee234e8 115 // 1 0 1 5 0.5
wim 0:5eb5fee234e8 116 // 1 1 0 6 0.8
wim 0:5eb5fee234e8 117 // 1 1 1 7 1.0
wim 0:5eb5fee234e8 118 #define LC75711_BLNK_00 0x00
wim 0:5eb5fee234e8 119 #define LC75711_BLNK_01 0x01
wim 0:5eb5fee234e8 120 #define LC75711_BLNK_02 0x02
wim 0:5eb5fee234e8 121 #define LC75711_BLNK_03 0x03
wim 0:5eb5fee234e8 122 #define LC75711_BLNK_04 0x04
wim 0:5eb5fee234e8 123 #define LC75711_BLNK_05 0x05
wim 0:5eb5fee234e8 124 #define LC75711_BLNK_08 0x06
wim 0:5eb5fee234e8 125 #define LC75711_BLNK_10 0x07
wim 0:5eb5fee234e8 126
wim 0:5eb5fee234e8 127 #define LC75711_BLNK_ON (LC75711_BLNK_MA_MSK | LC75711_BLNK_08)
wim 0:5eb5fee234e8 128 #define LC75711_BLNK_OFF (LC75711_BLNK_MA_MSK | LC75711_BLNK_00)
wim 0:5eb5fee234e8 129
wim 0:5eb5fee234e8 130 //Grid selectors
wim 0:5eb5fee234e8 131 #define LC75711_GR1 (1 << 0)
wim 0:5eb5fee234e8 132 #define LC75711_GR2 (1 << 1)
wim 0:5eb5fee234e8 133 #define LC75711_GR3 (1 << 2)
wim 0:5eb5fee234e8 134 #define LC75711_GR4 (1 << 3)
wim 0:5eb5fee234e8 135 #define LC75711_GR5 (1 << 4)
wim 0:5eb5fee234e8 136 #define LC75711_GR6 (1 << 5)
wim 0:5eb5fee234e8 137 #define LC75711_GR7 (1 << 6)
wim 0:5eb5fee234e8 138 #define LC75711_GR8 (1 << 7)
wim 0:5eb5fee234e8 139 #define LC75711_GR9 (1 << 8)
wim 0:5eb5fee234e8 140 #define LC75711_GR10 (1 << 9)
wim 0:5eb5fee234e8 141 #define LC75711_GR11 (1 << 10)
wim 0:5eb5fee234e8 142 #define LC75711_GR12 (1 << 11)
wim 0:5eb5fee234e8 143 #define LC75711_GR13 (1 << 12)
wim 0:5eb5fee234e8 144 #define LC75711_GR14 (1 << 13)
wim 0:5eb5fee234e8 145 #define LC75711_GR15 (1 << 14)
wim 0:5eb5fee234e8 146 #define LC75711_GR16 (1 << 15)
wim 0:5eb5fee234e8 147
wim 0:5eb5fee234e8 148 #define LC75711_GR_ALL (0xFFFF)
wim 0:5eb5fee234e8 149 #define LC75711_GR_MSK (0xFFFF)
wim 0:5eb5fee234e8 150
wim 0:5eb5fee234e8 151 //Blinking Command delay
wim 0:5eb5fee234e8 152 #define LC75711_BLNK_DLY 18
wim 0:5eb5fee234e8 153
wim 0:5eb5fee234e8 154 //
wim 0:5eb5fee234e8 155 //Display On/Off command, allows individual digit control
wim 0:5eb5fee234e8 156 // 0 0 0 1 * M A O GR16 ... GRD1
wim 0:5eb5fee234e8 157 #define LC75711_DSPL_REG 0x10
wim 0:5eb5fee234e8 158 #define LC75711_DSPL_MA_MSK 0x06
wim 0:5eb5fee234e8 159 #define LC75711_DSPL_O_MSK 0x01
wim 0:5eb5fee234e8 160
wim 0:5eb5fee234e8 161 //On/Off Mode
wim 0:5eb5fee234e8 162 // M A Display operating state
wim 0:5eb5fee234e8 163 // 0 0 Both MDATA and ADATA off
wim 0:5eb5fee234e8 164 // 0 1 Only ADATA on
wim 0:5eb5fee234e8 165 // 1 0 Only MDATA on
wim 0:5eb5fee234e8 166 // 1 1 Both ADATA and MDATA on
wim 0:5eb5fee234e8 167
wim 0:5eb5fee234e8 168 //On/Off
wim 0:5eb5fee234e8 169 // O Display state
wim 0:5eb5fee234e8 170 // 0 Off
wim 0:5eb5fee234e8 171 // 1 On
wim 0:5eb5fee234e8 172
wim 0:5eb5fee234e8 173 #define LC75711_DSPL_ON (LC75711_DSPL_MA_MSK | LC75711_DSPL_O_MSK)
wim 0:5eb5fee234e8 174 #define LC75711_DSPL_OFF (LC75711_DSPL_MA_MSK)
wim 0:5eb5fee234e8 175
wim 0:5eb5fee234e8 176 //Display Command delay
wim 0:5eb5fee234e8 177 #define LC75711_DSPL_DLY 18
wim 0:5eb5fee234e8 178
wim 0:5eb5fee234e8 179
wim 0:5eb5fee234e8 180 //Display shift is NOT USED
wim 0:5eb5fee234e8 181 // This would screw up the correlation between column index and character position.
wim 0:5eb5fee234e8 182 // It also screws up the correlation between character data and additional data.
wim 0:5eb5fee234e8 183 // Note that chardata has 64 positions whereas adddata has 16 positions
wim 0:5eb5fee234e8 184
wim 0:5eb5fee234e8 185 //
wim 0:5eb5fee234e8 186 //Display shift command
wim 0:5eb5fee234e8 187 // 0 0 1 0 * M A R/L ...
wim 0:5eb5fee234e8 188 #define LC75711_SHFT_REG 0x20
wim 0:5eb5fee234e8 189 #define LC75711_SHFT_MA_MSK 0x06
wim 0:5eb5fee234e8 190 #define LC75711_SHFT_RL_MSK 0x01
wim 0:5eb5fee234e8 191
wim 0:5eb5fee234e8 192 // Shift Mode
wim 0:5eb5fee234e8 193 // M A Display operating state
wim 0:5eb5fee234e8 194 // 0 0 Neither MDATA and ADATA shift
wim 0:5eb5fee234e8 195 // 0 1 Only ADATA
wim 0:5eb5fee234e8 196 // 1 0 Only MDATA
wim 0:5eb5fee234e8 197 // 1 1 Both ADATA and MDATA
wim 0:5eb5fee234e8 198
wim 0:5eb5fee234e8 199 //Shift direction
wim 0:5eb5fee234e8 200 // RL Display shift
wim 0:5eb5fee234e8 201 // 0 Right
wim 0:5eb5fee234e8 202 // 1 Left
wim 0:5eb5fee234e8 203
wim 0:5eb5fee234e8 204 //Shift Command delay
wim 0:5eb5fee234e8 205 #define LC75711_SHFT_DLY 18
wim 0:5eb5fee234e8 206
wim 0:5eb5fee234e8 207 //
wim 0:5eb5fee234e8 208 //Grid control command
wim 0:5eb5fee234e8 209 // 0 0 1 1 GN3 GN2 GN1 GN0 ...
wim 0:5eb5fee234e8 210 #define LC75711_GRID_REG 0x30
wim 0:5eb5fee234e8 211 #define LC75711_GRID_MSK 0x0F
wim 0:5eb5fee234e8 212
wim 0:5eb5fee234e8 213 //Grids
wim 0:5eb5fee234e8 214 //
wim 0:5eb5fee234e8 215 // GN3 GN2 GN1 GN0
wim 0:5eb5fee234e8 216 // 0 0 0 0 G1 to G16
wim 0:5eb5fee234e8 217 // 0 0 0 1 G1
wim 0:5eb5fee234e8 218 // 0 0 1 0 G1 to G2
wim 0:5eb5fee234e8 219 // 0 0 1 1 G1 to G3
wim 0:5eb5fee234e8 220 // 0 1 0 0 G1 to G4
wim 0:5eb5fee234e8 221 // 0 1 0 1 G1 to G5
wim 0:5eb5fee234e8 222 // 0 1 1 0 G1 to G6
wim 0:5eb5fee234e8 223 // 0 1 1 1 G1 to G7
wim 0:5eb5fee234e8 224 // 1 0 0 0 G1 to G8
wim 0:5eb5fee234e8 225 // 1 0 0 1 G1 to G9
wim 0:5eb5fee234e8 226 // 1 0 1 0 G1 to G10
wim 0:5eb5fee234e8 227 // 1 0 1 1 G1 to G11
wim 0:5eb5fee234e8 228 // 1 1 0 0 G1 to G12
wim 0:5eb5fee234e8 229 // 1 1 0 1 G1 to G13
wim 0:5eb5fee234e8 230 // 1 1 1 0 G1 to G14
wim 0:5eb5fee234e8 231 // 1 1 1 1 G1 to G15
wim 0:5eb5fee234e8 232 #define LC75711_GR1_GR1 0x01
wim 0:5eb5fee234e8 233 #define LC75711_GR1_GR2 0x02
wim 0:5eb5fee234e8 234 #define LC75711_GR1_GR3 0x03
wim 0:5eb5fee234e8 235 #define LC75711_GR1_GR4 0x04
wim 0:5eb5fee234e8 236 #define LC75711_GR1_GR5 0x05
wim 0:5eb5fee234e8 237 #define LC75711_GR1_GR6 0x06
wim 0:5eb5fee234e8 238 #define LC75711_GR1_GR7 0x07
wim 0:5eb5fee234e8 239 #define LC75711_GR1_GR8 0x08
wim 0:5eb5fee234e8 240 #define LC75711_GR1_GR9 0x09
wim 0:5eb5fee234e8 241 #define LC75711_GR1_GR10 0x0A
wim 0:5eb5fee234e8 242 #define LC75711_GR1_GR11 0x0B
wim 0:5eb5fee234e8 243 #define LC75711_GR1_GR12 0x0C
wim 0:5eb5fee234e8 244 #define LC75711_GR1_GR13 0x0D
wim 0:5eb5fee234e8 245 #define LC75711_GR1_GR14 0x0E
wim 0:5eb5fee234e8 246 #define LC75711_GR1_GR15 0x0F
wim 0:5eb5fee234e8 247 #define LC75711_GR1_GR16 0x00
wim 0:5eb5fee234e8 248
wim 0:5eb5fee234e8 249 //Grid Command delay
wim 0:5eb5fee234e8 250 #define LC75711_GRID_DLY 1
wim 0:5eb5fee234e8 251
wim 0:5eb5fee234e8 252 //
wim 0:5eb5fee234e8 253 //Set AC Address command
wim 0:5eb5fee234e8 254 // 0 1 0 0 RA3 RA2 RA1 RA0 * * DA5 DA4 DA3 DA2 DA1 DA0 * * * * * * * *
wim 0:5eb5fee234e8 255 #define LC75711_AC_REG 0x40
wim 0:5eb5fee234e8 256 #define LC75711_AADR_MSK 0x0F
wim 0:5eb5fee234e8 257 #define LC75711_DADR_MSK 0x3F
wim 0:5eb5fee234e8 258
wim 0:5eb5fee234e8 259 //RA3..RA0 ADRAM Address (Additional data)
wim 0:5eb5fee234e8 260 //DA5..DA0 DCRAM Address (Character data)
wim 0:5eb5fee234e8 261
wim 0:5eb5fee234e8 262 //AC Command delay
wim 0:5eb5fee234e8 263 #define LC75711_AC_DLY 18
wim 0:5eb5fee234e8 264
wim 0:5eb5fee234e8 265 //
wim 0:5eb5fee234e8 266 //Set Brightness command
wim 0:5eb5fee234e8 267 // 0 1 0 1 * * * * DC7 DC6 DC5 DC4 DC3 DC2 DC1 DC0 * * * * * * * *
wim 0:5eb5fee234e8 268 #define LC75711_BRT_REG 0x50
wim 0:5eb5fee234e8 269 #define LC75711_BRT_MSK 0xFF
wim 0:5eb5fee234e8 270
wim 0:5eb5fee234e8 271 //DC7..DC0 Brightness Level (0..239)
wim 0:5eb5fee234e8 272 //Note Brightness relationship between the number of active Grids (period) and the BRT value (duty cycle)
wim 0:5eb5fee234e8 273 #define LC75711_BRT_0 0x00
wim 0:5eb5fee234e8 274 #define LC75711_BRT_1 0x20
wim 0:5eb5fee234e8 275 #define LC75711_BRT_2 0x40
wim 0:5eb5fee234e8 276 #define LC75711_BRT_3 0x80
wim 0:5eb5fee234e8 277 #define LC75711_BRT_4 0xA0
wim 0:5eb5fee234e8 278 #define LC75711_BRT_5 0xC0
wim 0:5eb5fee234e8 279 #define LC75711_BRT_6 0xD0
wim 0:5eb5fee234e8 280 #define LC75711_BRT_7 0xF0
wim 0:5eb5fee234e8 281
wim 0:5eb5fee234e8 282 #define LC75711_BRT_DEF (LC75711_BRT_3)
wim 0:5eb5fee234e8 283
wim 0:5eb5fee234e8 284 //Brightness Command delay
wim 0:5eb5fee234e8 285 #define LC75711_BRT_DLY 1
wim 0:5eb5fee234e8 286
wim 0:5eb5fee234e8 287 //
wim 0:5eb5fee234e8 288 //Set Char data command (DCRAM)
wim 0:5eb5fee234e8 289 // 0 1 1 0 * * * * * * DA5 DA4 DA3 DA2 DA1 DA0 D7...D0
wim 0:5eb5fee234e8 290 #define LC75711_DATA_REG 0x60
wim 0:5eb5fee234e8 291 //#define LC75711_DADR_MSK 0x3F
wim 0:5eb5fee234e8 292 //#define LC75711_DATA_MSK 0xFF
wim 0:5eb5fee234e8 293
wim 0:5eb5fee234e8 294 //AA5..DA0 DCRAM Address (Character data)
wim 0:5eb5fee234e8 295 //DA7..DA0 Character Data
wim 0:5eb5fee234e8 296
wim 0:5eb5fee234e8 297 //Set Data Command delay
wim 0:5eb5fee234e8 298 #define LC75711_DATA_DLY 18
wim 0:5eb5fee234e8 299
wim 0:5eb5fee234e8 300 //
wim 0:5eb5fee234e8 301 //Set Additional data command (ADRAM), Used for annunciators etc
wim 0:5eb5fee234e8 302 // 0 1 1 1 RA3 RA2 RA1 RA0 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 * * * * * * * *
wim 0:5eb5fee234e8 303 #define LC75711_ADAT_REG 0x70
wim 0:5eb5fee234e8 304
wim 0:5eb5fee234e8 305 //RA3..RA0 ADRAM Address (Additional data)
wim 0:5eb5fee234e8 306 //#define LC75711_AADR_MSK 0x0F
wim 0:5eb5fee234e8 307
wim 0:5eb5fee234e8 308 //AD8..AD1 Additional Data
wim 0:5eb5fee234e8 309 #define LC75711_ADAT_MSK 0xFF
wim 0:5eb5fee234e8 310
wim 0:5eb5fee234e8 311 //Set AData Command delay
wim 0:5eb5fee234e8 312 #define LC75711_ADAT_DLY 18
wim 0:5eb5fee234e8 313
wim 0:5eb5fee234e8 314 //
wim 0:5eb5fee234e8 315 //Set UDC data command (CGRAM)
wim 0:5eb5fee234e8 316 // 1 0 0 0 * * * * CA7 CA6 ... CA0
wim 0:5eb5fee234e8 317 //
wim 0:5eb5fee234e8 318 // * * * * * CD35 CD34 ... CD25
wim 0:5eb5fee234e8 319 //
wim 0:5eb5fee234e8 320 // CD24 CD23 ... CD9
wim 0:5eb5fee234e8 321 //
wim 0:5eb5fee234e8 322 // CD8 ... CD1
wim 0:5eb5fee234e8 323 #define LC75711_UDC_REG 0x80
wim 0:5eb5fee234e8 324 #define LC75711_UDC_MSK 0x0F
wim 0:5eb5fee234e8 325 #define LC75711_NR_UDC 8
wim 0:5eb5fee234e8 326
wim 0:5eb5fee234e8 327 //CA7..CA0 CGRAM Address (UDC RAM address)
wim 0:5eb5fee234e8 328 //CD35..CD0 UDC Data
wim 0:5eb5fee234e8 329 //UDC is a 5x7 Matrix pattern
wim 0:5eb5fee234e8 330 // CD1 .. CD5
wim 0:5eb5fee234e8 331 // CD6 .. CD10
wim 0:5eb5fee234e8 332 // CD11 .. CD15
wim 0:5eb5fee234e8 333 // CD16 .. CD20
wim 0:5eb5fee234e8 334 // CD21 .. CD25
wim 0:5eb5fee234e8 335 // CD26 .. CD30
wim 0:5eb5fee234e8 336 // CD31 .. CD35
wim 0:5eb5fee234e8 337
wim 0:5eb5fee234e8 338 //Set UDC Data Command delay
wim 0:5eb5fee234e8 339 #define LC75711_UDC_DLY 18
wim 0:5eb5fee234e8 340
wim 0:5eb5fee234e8 341 //UDCs are defined by a 5x7 matrix and stored as 7 bytes
wim 0:5eb5fee234e8 342 typedef char UDCData_t[7];
wim 0:5eb5fee234e8 343
wim 0:5eb5fee234e8 344
wim 0:5eb5fee234e8 345 /** A class for driving Sanyo LC75711 VFD controller
wim 0:5eb5fee234e8 346 *
wim 0:5eb5fee234e8 347 * @brief Supports upto 16 Grids of 35 matrix segments. Also supports 3-8 additional segments (depending on number of grids).
wim 0:5eb5fee234e8 348 * SPI bus interface device.
wim 0:5eb5fee234e8 349 */
wim 0:5eb5fee234e8 350 class LC75711 {
wim 0:5eb5fee234e8 351 public:
wim 0:5eb5fee234e8 352
wim 0:5eb5fee234e8 353 /** Enums for display mode */
wim 0:5eb5fee234e8 354 enum Mode {
wim 0:5eb5fee234e8 355 Grid1_Add8 = LC75711_GR1_GR1,
wim 0:5eb5fee234e8 356 Grid2_Add8 = LC75711_GR1_GR2,
wim 0:5eb5fee234e8 357 Grid3_Add8 = LC75711_GR1_GR3,
wim 0:5eb5fee234e8 358 Grid4_Add8 = LC75711_GR1_GR4,
wim 0:5eb5fee234e8 359 Grid5_Add8 = LC75711_GR1_GR5,
wim 0:5eb5fee234e8 360 Grid6_Add8 = LC75711_GR1_GR6,
wim 0:5eb5fee234e8 361 Grid7_Add8 = LC75711_GR1_GR7,
wim 0:5eb5fee234e8 362 Grid8_Add8 = LC75711_GR1_GR8,
wim 0:5eb5fee234e8 363 Grid9_Add8 = LC75711_GR1_GR9,
wim 0:5eb5fee234e8 364 Grid10_Add8 = LC75711_GR1_GR10,
wim 0:5eb5fee234e8 365 Grid11_Add8 = LC75711_GR1_GR11,
wim 0:5eb5fee234e8 366 Grid12_Add7 = LC75711_GR1_GR12,
wim 0:5eb5fee234e8 367 Grid13_Add6 = LC75711_GR1_GR13,
wim 0:5eb5fee234e8 368 Grid14_Add5 = LC75711_GR1_GR14,
wim 0:5eb5fee234e8 369 Grid15_Add4 = LC75711_GR1_GR15,
wim 0:5eb5fee234e8 370 Grid16_Add3 = LC75711_GR1_GR16
wim 0:5eb5fee234e8 371 };
wim 0:5eb5fee234e8 372
wim 0:5eb5fee234e8 373 /** Datatypes for display data */
wim 0:5eb5fee234e8 374 // typedef char DisplayData_t[LC75711_DISPLAY_MEM];
wim 0:5eb5fee234e8 375 // typedef char DisplayAdd_t[LC75711_ADD_MEM];
wim 0:5eb5fee234e8 376
wim 0:5eb5fee234e8 377 /** Constructor for class for driving Sanyo LC75711 VFD controller
wim 0:5eb5fee234e8 378 *
wim 0:5eb5fee234e8 379 * @brief Supports upto 16 Grids of 35 matrix segments. Also supports 3-8 additional segments (depending on number of grids).
wim 0:5eb5fee234e8 380 * SPI bus interface device.
wim 0:5eb5fee234e8 381 * @param PinName mosi, sclk, cs SPI bus pins
wim 0:5eb5fee234e8 382 * @param Mode selects number of Grids and Segments (default 11 Grids, 35 matrix segments, 8 additional segments)
wim 0:5eb5fee234e8 383 */
wim 0:5eb5fee234e8 384 LC75711(PinName mosi, PinName sclk, PinName cs, Mode mode = Grid11_Add8);
wim 0:5eb5fee234e8 385
wim 0:5eb5fee234e8 386 /** Clear the screen and locate to 0
wim 0:5eb5fee234e8 387 */
wim 0:5eb5fee234e8 388 void cls();
wim 0:5eb5fee234e8 389
wim 0:5eb5fee234e8 390 /** Set the Blink mode
wim 0:5eb5fee234e8 391 *
wim 0:5eb5fee234e8 392 * @param bool blink mode
wim 0:5eb5fee234e8 393 * @param int grids selected grids for Blinking enable/disable (default = all)
wim 0:5eb5fee234e8 394 */
wim 0:5eb5fee234e8 395 void setBlink(bool on, int grids = LC75711_GR_ALL);
wim 0:5eb5fee234e8 396
wim 0:5eb5fee234e8 397 /** Set Brightness
wim 0:5eb5fee234e8 398 *
wim 0:5eb5fee234e8 399 * @param char brightness (8 significant bits, valid range 0..239 (dutycycle linked to number of grids)
wim 0:5eb5fee234e8 400 * @return none
wim 0:5eb5fee234e8 401 */
wim 0:5eb5fee234e8 402 void setBrightness(char brightness = LC75711_BRT_DEF);
wim 0:5eb5fee234e8 403
wim 0:5eb5fee234e8 404 /** Set the Display mode On/off
wim 0:5eb5fee234e8 405 *
wim 0:5eb5fee234e8 406 * @param bool display mode
wim 0:5eb5fee234e8 407 */
wim 0:5eb5fee234e8 408 void setDisplay(bool on);
wim 0:5eb5fee234e8 409
wim 0:5eb5fee234e8 410
wim 0:5eb5fee234e8 411 /** Set User Defined Characters (UDC)
wim 0:5eb5fee234e8 412 *
wim 0:5eb5fee234e8 413 * @param unsigned char udc_idx The Index of the UDC (0..7)
wim 0:5eb5fee234e8 414 * @param UDCData_t udc_data The bitpattern for the UDC (7 bytes)
wim 0:5eb5fee234e8 415 */
wim 0:5eb5fee234e8 416 void setUDC(unsigned char udc_idx, UDCData_t udc_data);
wim 0:5eb5fee234e8 417
wim 0:5eb5fee234e8 418
wim 0:5eb5fee234e8 419 /** Write Data to LC75711
wim 0:5eb5fee234e8 420 * @Param char data Character code
wim 0:5eb5fee234e8 421 * @Param char address Parameter for data
wim 0:5eb5fee234e8 422 * @return none
wim 0:5eb5fee234e8 423 */
wim 0:5eb5fee234e8 424 void writeData(char data, char address);
wim 0:5eb5fee234e8 425
wim 0:5eb5fee234e8 426 /** Write Additional Data to LC75711
wim 0:5eb5fee234e8 427 * @Param char adata Additional code (annunciator)
wim 0:5eb5fee234e8 428 * @Param char address Parameter for data
wim 0:5eb5fee234e8 429 * @return none
wim 0:5eb5fee234e8 430 */
wim 0:5eb5fee234e8 431 void writeAData(char adata, char address);
wim 0:5eb5fee234e8 432
wim 0:5eb5fee234e8 433
wim 0:5eb5fee234e8 434 private:
wim 0:5eb5fee234e8 435 SPI _spi;
wim 0:5eb5fee234e8 436 DigitalOut _cs;
wim 0:5eb5fee234e8 437 Mode _mode;
wim 0:5eb5fee234e8 438 int _blink; // Local shadow
wim 0:5eb5fee234e8 439
wim 0:5eb5fee234e8 440 /** Init the SPI interface and the controller
wim 0:5eb5fee234e8 441 * @param none
wim 0:5eb5fee234e8 442 * @return none
wim 0:5eb5fee234e8 443 */
wim 0:5eb5fee234e8 444 void _init();
wim 0:5eb5fee234e8 445
wim 0:5eb5fee234e8 446 /** Helper to reverse all command or databits. The LC75711 expects LSB first, whereas SPI is MSB first
wim 0:5eb5fee234e8 447 * @param char data
wim 0:5eb5fee234e8 448 * @return bitreversed data
wim 0:5eb5fee234e8 449 */
wim 0:5eb5fee234e8 450 char _flip(char data);
wim 0:5eb5fee234e8 451
wim 0:5eb5fee234e8 452
wim 0:5eb5fee234e8 453 /** Set Address
wim 0:5eb5fee234e8 454 * @Param char RAM address for data displayed at Grid1 (0..63)
wim 0:5eb5fee234e8 455 * @Param char RAM address for adata displayed at Grid1 (0..15)
wim 0:5eb5fee234e8 456 * @return none
wim 0:5eb5fee234e8 457 *
wim 0:5eb5fee234e8 458 * Note that a Shift (L/R) command will change the Address of data displayed at Grid1
wim 0:5eb5fee234e8 459 */
wim 0:5eb5fee234e8 460 void _setAddress(char data_addr=0, char adata_addr=0);
wim 0:5eb5fee234e8 461
wim 0:5eb5fee234e8 462
wim 0:5eb5fee234e8 463 /** Write command and parameters to LC75711
wim 0:5eb5fee234e8 464 * @Param char cmd Command byte
wim 0:5eb5fee234e8 465 * @Param char data1 Parameters for command
wim 0:5eb5fee234e8 466 * @Param char data0 Parameters for command
wim 0:5eb5fee234e8 467 * @Param char delay Delay for command execution
wim 0:5eb5fee234e8 468 * @return none
wim 0:5eb5fee234e8 469 */
wim 0:5eb5fee234e8 470 void _writeCmd(char cmd, char data1, char data0, char delay);
wim 0:5eb5fee234e8 471
wim 0:5eb5fee234e8 472 };
wim 0:5eb5fee234e8 473
wim 0:5eb5fee234e8 474
wim 0:5eb5fee234e8 475 #if (ASTON_TEST == 1)
wim 0:5eb5fee234e8 476 // Derived class for ASTON display unit
wim 0:5eb5fee234e8 477 // Grids 1-10 all display 35 segment matrix characters and no Additional segments.
wim 0:5eb5fee234e8 478 // Grid 11 uses a number of Segments to display Icons.
wim 0:5eb5fee234e8 479
wim 0:5eb5fee234e8 480 //ASTON Display data
wim 0:5eb5fee234e8 481 #define ASTON_NR_GRIDS 10
wim 0:5eb5fee234e8 482 #define ASTON_NR_DIGITS 10
wim 0:5eb5fee234e8 483 //#define ASTON_NR_UDC 8
wim 0:5eb5fee234e8 484
wim 0:5eb5fee234e8 485 //ASTON Memory size in bytes for Display
wim 0:5eb5fee234e8 486 //#define ASTON_DISPLAY_MEM (ASTON_NR_GRIDS * LC75711_BYTES_PER_GRID)
wim 0:5eb5fee234e8 487
wim 0:5eb5fee234e8 488
wim 0:5eb5fee234e8 489 /** Constructor for class for driving Sanyo LC75711 VFD controller as used in ASTON
wim 0:5eb5fee234e8 490 *
wim 0:5eb5fee234e8 491 * @brief Supports 10 Grids of 35 Segments without additional Segments and uses Grid 11 for Icon segments.
wim 0:5eb5fee234e8 492 *
wim 0:5eb5fee234e8 493 * @param PinName mosi, sclk, cs SPI bus pins
wim 0:5eb5fee234e8 494 */
wim 0:5eb5fee234e8 495 class LC75711_ASTON : public LC75711, public Stream {
wim 0:5eb5fee234e8 496 public:
wim 0:5eb5fee234e8 497
wim 0:5eb5fee234e8 498 /** Enums for Icons
wim 0:5eb5fee234e8 499 *
wim 0:5eb5fee234e8 500 * @Brief Aston display uses Grid 11 to show Icons.
wim 0:5eb5fee234e8 501 * The Icons are each connnected to one of the 35 segments.
wim 0:5eb5fee234e8 502 * Icons are controlled by redefining UDC_0.
wim 0:5eb5fee234e8 503 * Icon Enums encode UDC_0 byte index in 8 MSBs and encode Icon bit/segment in 8 LSBs
wim 0:5eb5fee234e8 504 */
wim 0:5eb5fee234e8 505 enum Icon {
wim 0:5eb5fee234e8 506 R0 = (6<<8) | 4,
wim 0:5eb5fee234e8 507 R1 = (6<<8) | 3,
wim 0:5eb5fee234e8 508 R2 = (6<<8) | 2,
wim 0:5eb5fee234e8 509 R3 = (6<<8) | 1,
wim 0:5eb5fee234e8 510 CRD1 = (5<<8) | 4,
wim 0:5eb5fee234e8 511 CRD2 = (5<<8) | 3,
wim 0:5eb5fee234e8 512 CARD = (5<<8) | 2,
wim 0:5eb5fee234e8 513 KEY = (4<<8) | 1,
wim 0:5eb5fee234e8 514 VDCRP = (4<<8) | 2,
wim 0:5eb5fee234e8 515 D = (4<<8) | 0,
wim 0:5eb5fee234e8 516 D2 = (3<<8) | 4,
wim 0:5eb5fee234e8 517 MAC = (3<<8) | 3,
wim 0:5eb5fee234e8 518 R16_9 = (0<<8) | 0,
wim 0:5eb5fee234e8 519 DISH = (5<<8) | 0,
wim 0:5eb5fee234e8 520 DSH1 = (4<<8) | 3,
wim 0:5eb5fee234e8 521 DSH2 = (5<<8) | 1,
wim 0:5eb5fee234e8 522 TMR = (1<<8) | 3,
wim 0:5eb5fee234e8 523 CBND = (2<<8) | 1,
wim 0:5eb5fee234e8 524 KBND = (2<<8) | 4,
wim 0:5eb5fee234e8 525 AFC = (3<<8) | 0
wim 0:5eb5fee234e8 526 };
wim 0:5eb5fee234e8 527
wim 0:5eb5fee234e8 528
wim 0:5eb5fee234e8 529 /** Constructor for class for driving Sanyo LC75711 VFD controller as used in ASTON
wim 0:5eb5fee234e8 530 *
wim 0:5eb5fee234e8 531 * @brief Supports 10 Grids of 35 Segments without additional Segments and uses Grid 11 for Icon segments.
wim 0:5eb5fee234e8 532 *
wim 0:5eb5fee234e8 533 * @param PinName mosi, sclk, cs SPI bus pins
wim 0:5eb5fee234e8 534 */
wim 0:5eb5fee234e8 535 LC75711_ASTON(PinName mosi, PinName sclk, PinName cs);
wim 0:5eb5fee234e8 536
wim 0:5eb5fee234e8 537 #if DOXYGEN_ONLY
wim 0:5eb5fee234e8 538 /** Write a character to the Display
wim 0:5eb5fee234e8 539 *
wim 0:5eb5fee234e8 540 * @param c The character to write to the display
wim 0:5eb5fee234e8 541 */
wim 0:5eb5fee234e8 542 int putc(int c);
wim 0:5eb5fee234e8 543
wim 0:5eb5fee234e8 544 /** Write a formatted string to the Display
wim 0:5eb5fee234e8 545 *
wim 0:5eb5fee234e8 546 * @param format A printf-style format string, followed by the
wim 0:5eb5fee234e8 547 * variables to use in formatting the string.
wim 0:5eb5fee234e8 548 */
wim 0:5eb5fee234e8 549 int printf(const char* format, ...);
wim 0:5eb5fee234e8 550 #endif
wim 0:5eb5fee234e8 551
wim 0:5eb5fee234e8 552 /** Locate cursor to a screen column
wim 0:5eb5fee234e8 553 *
wim 0:5eb5fee234e8 554 * @param column The horizontal position from the left, indexed from 0
wim 0:5eb5fee234e8 555 */
wim 0:5eb5fee234e8 556 void locate(int column);
wim 0:5eb5fee234e8 557
wim 0:5eb5fee234e8 558 /** Clear the screen and locate to 0
wim 0:5eb5fee234e8 559 * @param bool clrAll Clear Icons also (default = false)
wim 0:5eb5fee234e8 560 */
wim 0:5eb5fee234e8 561 void cls(bool clrAll = false);
wim 0:5eb5fee234e8 562
wim 0:5eb5fee234e8 563 /** Set Icon
wim 0:5eb5fee234e8 564 *
wim 0:5eb5fee234e8 565 * @param Icon Enums Icon Encodes UDC_0 byte index in 8 MSBs and encodes Icon bit/segment in 8 LSBs
wim 0:5eb5fee234e8 566 * @return none
wim 0:5eb5fee234e8 567 */
wim 0:5eb5fee234e8 568 void setIcon(Icon icon);
wim 0:5eb5fee234e8 569
wim 0:5eb5fee234e8 570 /** Clr Icon
wim 0:5eb5fee234e8 571 *
wim 0:5eb5fee234e8 572 * @param Icon Enums Icon Encodes UDC_0 byte index in 8 MSBs and encodes Icon bit/segment in 8 LSBs
wim 0:5eb5fee234e8 573 * @return none
wim 0:5eb5fee234e8 574 */
wim 0:5eb5fee234e8 575 void clrIcon(Icon icon);
wim 0:5eb5fee234e8 576
wim 0:5eb5fee234e8 577
wim 0:5eb5fee234e8 578 /** Number of screen columns
wim 0:5eb5fee234e8 579 *
wim 0:5eb5fee234e8 580 * @param none
wim 0:5eb5fee234e8 581 * @return columns
wim 0:5eb5fee234e8 582 */
wim 0:5eb5fee234e8 583 int columns();
wim 0:5eb5fee234e8 584
wim 0:5eb5fee234e8 585 /** Write databyte to LC75711
wim 0:5eb5fee234e8 586 * @param int address display memory location to write byte
wim 0:5eb5fee234e8 587 * @param char data byte written at given address
wim 0:5eb5fee234e8 588 * @return none
wim 0:5eb5fee234e8 589 */
wim 0:5eb5fee234e8 590 // void writeData(int address, char data){
wim 0:5eb5fee234e8 591 // LC75711::writeData(address, data);
wim 0:5eb5fee234e8 592 // }
wim 0:5eb5fee234e8 593
wim 0:5eb5fee234e8 594 /** Write Display datablock to LC75711
wim 0:5eb5fee234e8 595 * @param DisplayData_t data Array of LC75711_DISPLAY_MEM (=48) bytes for displaydata (starting at address 0)
wim 0:5eb5fee234e8 596 * @param length number bytes to write (valid range 0..(ASTON_NR_GRIDS * LC75711_BYTES_PER_GRID) == 36, starting at address 0)
wim 0:5eb5fee234e8 597 * @return none
wim 0:5eb5fee234e8 598 */
wim 0:5eb5fee234e8 599 // void writeData(DisplayData_t data, int length = (ASTON_NR_GRIDS * LC75711_BYTES_PER_GRID)) {
wim 0:5eb5fee234e8 600 // LC75711::writeData(data, length);
wim 0:5eb5fee234e8 601 // }
wim 0:5eb5fee234e8 602
wim 0:5eb5fee234e8 603 protected:
wim 0:5eb5fee234e8 604 // Stream implementation functions
wim 0:5eb5fee234e8 605 virtual int _putc(int value);
wim 0:5eb5fee234e8 606 virtual int _getc();
wim 0:5eb5fee234e8 607
wim 0:5eb5fee234e8 608 private:
wim 0:5eb5fee234e8 609 int _column; // Current cursor location
wim 0:5eb5fee234e8 610 int _columns; // Max number of columns
wim 0:5eb5fee234e8 611
wim 0:5eb5fee234e8 612 // DisplayData_t _displaybuffer; // Local mirror for all chars and icons
wim 0:5eb5fee234e8 613 // UDCData_t _UDC_16S; // User Defined Character pattterns (UDC)
wim 0:5eb5fee234e8 614 UDCData_t _udc_icon; // The UDC_0 bitpattern for the Icons shown at Grid 11 (7 bytes)
wim 0:5eb5fee234e8 615 };
wim 0:5eb5fee234e8 616 #endif
wim 0:5eb5fee234e8 617
wim 0:5eb5fee234e8 618 #endif