Demo MAX7219 library on MIKROELEKTRONIKA Serial 7-Seg Display 8-Digit
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Demo MAX7219 library on MIKROELEKTRONIKA Serial 7-Seg Display 8-Digit This demo has been tested on NUCLEO-F411RE
For 7 segments display : https://www.mikroe.com/serial-7-seg-8-digit-board
For MAX7219 https://www.maximintegrated.com/en/products/power/display-power-control/MAX7219.html
use library https://os.mbed.com/teams/Maxim-Integrated/code/MAX7219/
7 segments display is connected to default SPI on Arduino connectors. STM32 MISO on RC5_PB5 (MOSI) STM32 MOSI on MISO STM32 SCK on RC3_RF3 (SCK) STM32 SS on CS0 5v GND
see manual (https://download.mikroe.com/documents/add-on-boards/other/display/serial-7seg-8-digit-display/serial-7seg-8-digit-display-manual-v100.pdf ) and photo for details
max7219.h@1:90a7cf4e7d26, 2016-01-26 (annotated)
- Committer:
- j3
- Date:
- Tue Jan 26 02:17:20 2016 +0000
- Revision:
- 1:90a7cf4e7d26
- Parent:
- 0:798fb343e022
- Child:
- 2:9150a0dc77a3
Updated comments in header file
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
j3 | 0:798fb343e022 | 1 | /******************************************************************//** |
j3 | 0:798fb343e022 | 2 | * @file max7219.h |
j3 | 0:798fb343e022 | 3 | * |
j3 | 0:798fb343e022 | 4 | * @author Justin Jordan |
j3 | 0:798fb343e022 | 5 | * |
j3 | 0:798fb343e022 | 6 | * @version 0.0 |
j3 | 0:798fb343e022 | 7 | * |
j3 | 0:798fb343e022 | 8 | * Started: 08JAN16 |
j3 | 0:798fb343e022 | 9 | * |
j3 | 0:798fb343e022 | 10 | * Updated: |
j3 | 0:798fb343e022 | 11 | * |
j3 | 0:798fb343e022 | 12 | * @brief Header file for Max7219 class |
j3 | 0:798fb343e022 | 13 | *********************************************************************** |
j3 | 0:798fb343e022 | 14 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
j3 | 0:798fb343e022 | 15 | * |
j3 | 0:798fb343e022 | 16 | * Permission is hereby granted, free of charge, to any person obtaining a |
j3 | 0:798fb343e022 | 17 | * copy of this software and associated documentation files (the "Software"), |
j3 | 0:798fb343e022 | 18 | * to deal in the Software without restriction, including without limitation |
j3 | 0:798fb343e022 | 19 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
j3 | 0:798fb343e022 | 20 | * and/or sell copies of the Software, and to permit persons to whom the |
j3 | 0:798fb343e022 | 21 | * Software is furnished to do so, subject to the following conditions: |
j3 | 0:798fb343e022 | 22 | * |
j3 | 0:798fb343e022 | 23 | * The above copyright notice and this permission notice shall be included |
j3 | 0:798fb343e022 | 24 | * in all copies or substantial portions of the Software. |
j3 | 0:798fb343e022 | 25 | * |
j3 | 0:798fb343e022 | 26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
j3 | 0:798fb343e022 | 27 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
j3 | 0:798fb343e022 | 28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
j3 | 0:798fb343e022 | 29 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
j3 | 0:798fb343e022 | 30 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
j3 | 0:798fb343e022 | 31 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
j3 | 0:798fb343e022 | 32 | * OTHER DEALINGS IN THE SOFTWARE. |
j3 | 0:798fb343e022 | 33 | * |
j3 | 0:798fb343e022 | 34 | * Except as contained in this notice, the name of Maxim Integrated |
j3 | 0:798fb343e022 | 35 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
j3 | 0:798fb343e022 | 36 | * Products, Inc. Branding Policy. |
j3 | 0:798fb343e022 | 37 | * |
j3 | 0:798fb343e022 | 38 | * The mere transfer of this software does not imply any licenses |
j3 | 0:798fb343e022 | 39 | * of trade secrets, proprietary technology, copyrights, patents, |
j3 | 0:798fb343e022 | 40 | * trademarks, maskwork rights, or any other form of intellectual |
j3 | 0:798fb343e022 | 41 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
j3 | 0:798fb343e022 | 42 | * ownership rights. |
j3 | 0:798fb343e022 | 43 | **********************************************************************/ |
j3 | 0:798fb343e022 | 44 | |
j3 | 0:798fb343e022 | 45 | |
j3 | 0:798fb343e022 | 46 | #ifndef MAX7219_H |
j3 | 0:798fb343e022 | 47 | #define MAX7219_H |
j3 | 0:798fb343e022 | 48 | |
j3 | 0:798fb343e022 | 49 | #include "mbed.h" |
j3 | 0:798fb343e022 | 50 | |
j3 | 0:798fb343e022 | 51 | |
j3 | 0:798fb343e022 | 52 | typedef struct |
j3 | 0:798fb343e022 | 53 | { |
j3 | 0:798fb343e022 | 54 | uint8_t device_number; |
j3 | 0:798fb343e022 | 55 | uint8_t decode_mode; |
j3 | 0:798fb343e022 | 56 | uint8_t intensity; |
j3 | 0:798fb343e022 | 57 | uint8_t scan_limit; |
j3 | 0:798fb343e022 | 58 | }max7219_configuration_t; |
j3 | 0:798fb343e022 | 59 | |
j3 | 0:798fb343e022 | 60 | |
j3 | 0:798fb343e022 | 61 | class Max7219 |
j3 | 0:798fb343e022 | 62 | { |
j3 | 0:798fb343e022 | 63 | public: |
j3 | 0:798fb343e022 | 64 | |
j3 | 0:798fb343e022 | 65 | typedef enum |
j3 | 0:798fb343e022 | 66 | { |
j3 | 0:798fb343e022 | 67 | MAX7219_NO_OP = 0, |
j3 | 0:798fb343e022 | 68 | MAX7219_DIGIT_0, |
j3 | 0:798fb343e022 | 69 | MAX7219_DIGIT_1, |
j3 | 0:798fb343e022 | 70 | MAX7219_DIGIT_2, |
j3 | 0:798fb343e022 | 71 | MAX7219_DIGIT_3, |
j3 | 0:798fb343e022 | 72 | MAX7219_DIGIT_4, |
j3 | 0:798fb343e022 | 73 | MAX7219_DIGIT_5, |
j3 | 0:798fb343e022 | 74 | MAX7219_DIGIT_6, |
j3 | 0:798fb343e022 | 75 | MAX7219_DIGIT_7, |
j3 | 0:798fb343e022 | 76 | MAX7219_DECODE_MODE, |
j3 | 0:798fb343e022 | 77 | MAX7219_INTENSITY, |
j3 | 0:798fb343e022 | 78 | MAX7219_SCAN_LIMIT, |
j3 | 0:798fb343e022 | 79 | MAX7219_SHUTDOWN, |
j3 | 0:798fb343e022 | 80 | MAX7219_DISPLAY_TEST = 15 |
j3 | 0:798fb343e022 | 81 | }max7219_register_e; |
j3 | 0:798fb343e022 | 82 | |
j3 | 0:798fb343e022 | 83 | |
j3 | 0:798fb343e022 | 84 | typedef enum |
j3 | 0:798fb343e022 | 85 | { |
j3 | 0:798fb343e022 | 86 | MAX7219_INTENSITY_0 = 0, |
j3 | 0:798fb343e022 | 87 | MAX7219_INTENSITY_1, |
j3 | 0:798fb343e022 | 88 | MAX7219_INTENSITY_2, |
j3 | 0:798fb343e022 | 89 | MAX7219_INTENSITY_3, |
j3 | 0:798fb343e022 | 90 | MAX7219_INTENSITY_4, |
j3 | 0:798fb343e022 | 91 | MAX7219_INTENSITY_5, |
j3 | 0:798fb343e022 | 92 | MAX7219_INTENSITY_6, |
j3 | 0:798fb343e022 | 93 | MAX7219_INTENSITY_7, |
j3 | 0:798fb343e022 | 94 | MAX7219_INTENSITY_8, |
j3 | 0:798fb343e022 | 95 | MAX7219_INTENSITY_9, |
j3 | 0:798fb343e022 | 96 | MAX7219_INTENSITY_A, |
j3 | 0:798fb343e022 | 97 | MAX7219_INTENSITY_B, |
j3 | 0:798fb343e022 | 98 | MAX7219_INTENSITY_C, |
j3 | 0:798fb343e022 | 99 | MAX7219_INTENSITY_D, |
j3 | 0:798fb343e022 | 100 | MAX7219_INTENSITY_E, |
j3 | 0:798fb343e022 | 101 | MAX7219_INTENSITY_F |
j3 | 0:798fb343e022 | 102 | }max7219_intensity_e; |
j3 | 0:798fb343e022 | 103 | |
j3 | 0:798fb343e022 | 104 | |
j3 | 0:798fb343e022 | 105 | typedef enum |
j3 | 0:798fb343e022 | 106 | { |
j3 | 0:798fb343e022 | 107 | MAX7219_SCAN_1 = 0, |
j3 | 0:798fb343e022 | 108 | MAX7219_SCAN_2, |
j3 | 0:798fb343e022 | 109 | MAX7219_SCAN_3, |
j3 | 0:798fb343e022 | 110 | MAX7219_SCAN_4, |
j3 | 0:798fb343e022 | 111 | MAX7219_SCAN_5, |
j3 | 0:798fb343e022 | 112 | MAX7219_SCAN_6, |
j3 | 0:798fb343e022 | 113 | MAX7219_SCAN_7, |
j3 | 0:798fb343e022 | 114 | MAX7219_SCAN_8 |
j3 | 0:798fb343e022 | 115 | }max7219_scan_limit_e; |
j3 | 0:798fb343e022 | 116 | |
j3 | 0:798fb343e022 | 117 | |
j3 | 0:798fb343e022 | 118 | /**********************************************************//** |
j3 | 0:798fb343e022 | 119 | * @brief Constructor for Max7219 Class. |
j3 | 0:798fb343e022 | 120 | * |
j3 | 0:798fb343e022 | 121 | * @details Allows user to pass pointer to existing SPI bus |
j3 | 0:798fb343e022 | 122 | * |
j3 | 0:798fb343e022 | 123 | * On Entry: |
j3 | 0:798fb343e022 | 124 | * @param[in] spi_bus - pointer to existing SPI object |
j3 | 0:798fb343e022 | 125 | * @param[in] cs - pin to use for cs |
j3 | 0:798fb343e022 | 126 | * |
j3 | 0:798fb343e022 | 127 | * On Exit: |
j3 | 0:798fb343e022 | 128 | * @return none |
j3 | 0:798fb343e022 | 129 | **************************************************************/ |
j3 | 0:798fb343e022 | 130 | Max7219(SPI *spi_bus, PinName cs); |
j3 | 0:798fb343e022 | 131 | |
j3 | 0:798fb343e022 | 132 | |
j3 | 0:798fb343e022 | 133 | /**********************************************************//** |
j3 | 0:798fb343e022 | 134 | * @brief Constructor for Max7219 Class. |
j3 | 0:798fb343e022 | 135 | * |
j3 | 0:798fb343e022 | 136 | * @details Allows user to specify SPI peripheral to use |
j3 | 0:798fb343e022 | 137 | * |
j3 | 0:798fb343e022 | 138 | * On Entry: |
j3 | 0:798fb343e022 | 139 | * @param[in] mosi - pin to use for mosi |
j3 | 0:798fb343e022 | 140 | * @param[in] miso - pin to use for miso |
j3 | 0:798fb343e022 | 141 | * @param[in] sclk - pin to use for sclk |
j3 | 0:798fb343e022 | 142 | * @param[in] cs - pin to use for cs |
j3 | 0:798fb343e022 | 143 | * |
j3 | 0:798fb343e022 | 144 | * On Exit: |
j3 | 0:798fb343e022 | 145 | * @return none |
j3 | 0:798fb343e022 | 146 | **************************************************************/ |
j3 | 0:798fb343e022 | 147 | Max7219(PinName mosi, PinName miso, PinName sclk, PinName cs); |
j3 | 0:798fb343e022 | 148 | |
j3 | 0:798fb343e022 | 149 | |
j3 | 0:798fb343e022 | 150 | /**********************************************************//** |
j3 | 0:798fb343e022 | 151 | * @brief Default destructor for Max7219 Class. |
j3 | 0:798fb343e022 | 152 | * |
j3 | 0:798fb343e022 | 153 | * @details Destroys SPI object if owner |
j3 | 0:798fb343e022 | 154 | * |
j3 | 0:798fb343e022 | 155 | * On Entry: |
j3 | 0:798fb343e022 | 156 | * |
j3 | 0:798fb343e022 | 157 | * On Exit: |
j3 | 0:798fb343e022 | 158 | * @return none |
j3 | 0:798fb343e022 | 159 | **************************************************************/ |
j3 | 0:798fb343e022 | 160 | ~Max7219(); |
j3 | 0:798fb343e022 | 161 | |
j3 | 0:798fb343e022 | 162 | |
j3 | 0:798fb343e022 | 163 | /**********************************************************//** |
j3 | 0:798fb343e022 | 164 | * @brief Sets the number of MAX7219 devices being used. |
j3 | 0:798fb343e022 | 165 | * Defaults to one |
j3 | 0:798fb343e022 | 166 | * |
j3 | 0:798fb343e022 | 167 | * @details |
j3 | 0:798fb343e022 | 168 | * |
j3 | 0:798fb343e022 | 169 | * On Entry: |
j3 | 0:798fb343e022 | 170 | * @param[in] num_devices - number of MAX7219 devices being |
j3 | 0:798fb343e022 | 171 | * used, max of 255 |
j3 | 0:798fb343e022 | 172 | * |
j3 | 0:798fb343e022 | 173 | * On Exit: |
j3 | 0:798fb343e022 | 174 | * @return returns number of devices |
j3 | 0:798fb343e022 | 175 | **************************************************************/ |
j3 | 0:798fb343e022 | 176 | int32_t set_num_devices(uint8_t num_devices); |
j3 | 0:798fb343e022 | 177 | |
j3 | 0:798fb343e022 | 178 | |
j3 | 0:798fb343e022 | 179 | /**********************************************************//** |
j3 | 0:798fb343e022 | 180 | * @brief Tests all devices being used |
j3 | 0:798fb343e022 | 181 | * |
j3 | 0:798fb343e022 | 182 | * @details Sets bit0 of DISPLAY_TEST regiser in all devices |
j3 | 0:798fb343e022 | 183 | * |
j3 | 0:798fb343e022 | 184 | * On Entry: |
j3 | 0:798fb343e022 | 185 | * |
j3 | 0:798fb343e022 | 186 | * On Exit: |
j3 | 0:798fb343e022 | 187 | * @return none |
j3 | 0:798fb343e022 | 188 | **************************************************************/ |
j3 | 0:798fb343e022 | 189 | void set_display_test(void); |
j3 | 0:798fb343e022 | 190 | |
j3 | 0:798fb343e022 | 191 | |
j3 | 0:798fb343e022 | 192 | /**********************************************************//** |
j3 | 0:798fb343e022 | 193 | * @brief Stops test |
j3 | 0:798fb343e022 | 194 | * |
j3 | 0:798fb343e022 | 195 | * @details Clear bit0 of DISPLAY_TEST regiser in all devices |
j3 | 0:798fb343e022 | 196 | * |
j3 | 0:798fb343e022 | 197 | * On Entry: |
j3 | 0:798fb343e022 | 198 | * |
j3 | 0:798fb343e022 | 199 | * On Exit: |
j3 | 0:798fb343e022 | 200 | * @return none |
j3 | 0:798fb343e022 | 201 | **************************************************************/ |
j3 | 0:798fb343e022 | 202 | void clear_display_test(void); |
j3 | 0:798fb343e022 | 203 | |
j3 | 0:798fb343e022 | 204 | |
j3 | 0:798fb343e022 | 205 | /**********************************************************//** |
j3 | 0:798fb343e022 | 206 | * @brief initializes specific device in display with given |
j3 | 0:798fb343e022 | 207 | * config data |
j3 | 0:798fb343e022 | 208 | * |
j3 | 0:798fb343e022 | 209 | * @details |
j3 | 0:798fb343e022 | 210 | * |
j3 | 0:798fb343e022 | 211 | * On Entry: |
j3 | 1:90a7cf4e7d26 | 212 | * @param[in] config - Structure containing configuration |
j3 | 1:90a7cf4e7d26 | 213 | * data of device |
j3 | 0:798fb343e022 | 214 | * |
j3 | 0:798fb343e022 | 215 | * On Exit: |
j3 | 1:90a7cf4e7d26 | 216 | * @return returns 0 on success |
j3 | 1:90a7cf4e7d26 | 217 | * returns -1 if device number is > _num_devices |
j3 | 1:90a7cf4e7d26 | 218 | * returns -2 if device number is 0 |
j3 | 0:798fb343e022 | 219 | **************************************************************/ |
j3 | 1:90a7cf4e7d26 | 220 | int32_t init_device(max7219_configuration_t config); |
j3 | 0:798fb343e022 | 221 | |
j3 | 0:798fb343e022 | 222 | |
j3 | 0:798fb343e022 | 223 | /**********************************************************//** |
j3 | 0:798fb343e022 | 224 | * @brief initializes all devices with given config data |
j3 | 0:798fb343e022 | 225 | * |
j3 | 1:90a7cf4e7d26 | 226 | * @details all devices are configured with given data |
j3 | 0:798fb343e022 | 227 | * |
j3 | 0:798fb343e022 | 228 | * On Entry: |
j3 | 1:90a7cf4e7d26 | 229 | * @param[in] config - Structure containing configuration |
j3 | 1:90a7cf4e7d26 | 230 | * data |
j3 | 0:798fb343e022 | 231 | * On Exit: |
j3 | 0:798fb343e022 | 232 | * @return none |
j3 | 0:798fb343e022 | 233 | **************************************************************/ |
j3 | 0:798fb343e022 | 234 | void init_display(max7219_configuration_t config); |
j3 | 0:798fb343e022 | 235 | |
j3 | 0:798fb343e022 | 236 | |
j3 | 0:798fb343e022 | 237 | /**********************************************************//** |
j3 | 0:798fb343e022 | 238 | * @brief enables specific device in display |
j3 | 0:798fb343e022 | 239 | * |
j3 | 0:798fb343e022 | 240 | * @details |
j3 | 0:798fb343e022 | 241 | * |
j3 | 0:798fb343e022 | 242 | * On Entry: |
j3 | 1:90a7cf4e7d26 | 243 | * @param[in] device_number - device to enable |
j3 | 0:798fb343e022 | 244 | * |
j3 | 0:798fb343e022 | 245 | * On Exit: |
j3 | 1:90a7cf4e7d26 | 246 | * @return returns 0 on success |
j3 | 1:90a7cf4e7d26 | 247 | * returns -1 if device number is > _num_devices |
j3 | 1:90a7cf4e7d26 | 248 | * returns -2 if device number is 0 |
j3 | 0:798fb343e022 | 249 | **************************************************************/ |
j3 | 0:798fb343e022 | 250 | int32_t enable_device(uint8_t device_number); |
j3 | 0:798fb343e022 | 251 | |
j3 | 0:798fb343e022 | 252 | |
j3 | 0:798fb343e022 | 253 | /**********************************************************//** |
j3 | 0:798fb343e022 | 254 | * @brief enables all device in display |
j3 | 0:798fb343e022 | 255 | * |
j3 | 0:798fb343e022 | 256 | * @details |
j3 | 0:798fb343e022 | 257 | * |
j3 | 0:798fb343e022 | 258 | * On Entry: |
j3 | 0:798fb343e022 | 259 | * |
j3 | 0:798fb343e022 | 260 | * On Exit: |
j3 | 0:798fb343e022 | 261 | * @return none |
j3 | 0:798fb343e022 | 262 | **************************************************************/ |
j3 | 0:798fb343e022 | 263 | void enable_display(void); |
j3 | 0:798fb343e022 | 264 | |
j3 | 0:798fb343e022 | 265 | |
j3 | 0:798fb343e022 | 266 | /**********************************************************//** |
j3 | 0:798fb343e022 | 267 | * @brief disables specific device in display |
j3 | 0:798fb343e022 | 268 | * |
j3 | 0:798fb343e022 | 269 | * @details |
j3 | 0:798fb343e022 | 270 | * |
j3 | 0:798fb343e022 | 271 | * On Entry: |
j3 | 1:90a7cf4e7d26 | 272 | * @param[in] device_number - device to disable |
j3 | 0:798fb343e022 | 273 | * |
j3 | 0:798fb343e022 | 274 | * On Exit: |
j3 | 1:90a7cf4e7d26 | 275 | * @return returns 0 on success, |
j3 | 1:90a7cf4e7d26 | 276 | * returns -1 if device number is > _num_devices |
j3 | 1:90a7cf4e7d26 | 277 | * returns -2 if device number is 0 |
j3 | 0:798fb343e022 | 278 | **************************************************************/ |
j3 | 0:798fb343e022 | 279 | int32_t disable_device(uint8_t device_number); |
j3 | 0:798fb343e022 | 280 | |
j3 | 0:798fb343e022 | 281 | |
j3 | 0:798fb343e022 | 282 | /**********************************************************//** |
j3 | 0:798fb343e022 | 283 | * @brief disables all devices in display |
j3 | 0:798fb343e022 | 284 | * |
j3 | 0:798fb343e022 | 285 | * @details |
j3 | 0:798fb343e022 | 286 | * |
j3 | 0:798fb343e022 | 287 | * On Entry: |
j3 | 0:798fb343e022 | 288 | * |
j3 | 0:798fb343e022 | 289 | * On Exit: |
j3 | 0:798fb343e022 | 290 | * @return none |
j3 | 0:798fb343e022 | 291 | **************************************************************/ |
j3 | 0:798fb343e022 | 292 | void disable_display(void); |
j3 | 0:798fb343e022 | 293 | |
j3 | 0:798fb343e022 | 294 | |
j3 | 0:798fb343e022 | 295 | /**********************************************************//** |
j3 | 0:798fb343e022 | 296 | * @brief writes digit of given device with given data, user |
j3 | 0:798fb343e022 | 297 | * must enter correct data for decode_mode chosen |
j3 | 0:798fb343e022 | 298 | * |
j3 | 0:798fb343e022 | 299 | * @details |
j3 | 0:798fb343e022 | 300 | * |
j3 | 0:798fb343e022 | 301 | * On Entry: |
j3 | 1:90a7cf4e7d26 | 302 | * @param[in] device_number - device to write too |
j3 | 1:90a7cf4e7d26 | 303 | * @param[in] digit - digit to write |
j3 | 1:90a7cf4e7d26 | 304 | * @param[in] data - data to write |
j3 | 0:798fb343e022 | 305 | * |
j3 | 0:798fb343e022 | 306 | * On Exit: |
j3 | 1:90a7cf4e7d26 | 307 | * @return returns 0 on success, |
j3 | 1:90a7cf4e7d26 | 308 | * returns -1 if device number is > _num_devices |
j3 | 1:90a7cf4e7d26 | 309 | * returns -2 if device number is 0 |
j3 | 1:90a7cf4e7d26 | 310 | * returns -3 if digit > 8 |
j3 | 1:90a7cf4e7d26 | 311 | * returns -4 if digit < 1 |
j3 | 0:798fb343e022 | 312 | **************************************************************/ |
j3 | 0:798fb343e022 | 313 | int32_t write_digit(uint8_t device_number, uint8_t digit, uint8_t data); |
j3 | 0:798fb343e022 | 314 | |
j3 | 0:798fb343e022 | 315 | |
j3 | 0:798fb343e022 | 316 | /**********************************************************//** |
j3 | 0:798fb343e022 | 317 | * @brief clears digit of given device |
j3 | 0:798fb343e022 | 318 | * |
j3 | 0:798fb343e022 | 319 | * @details |
j3 | 0:798fb343e022 | 320 | * |
j3 | 0:798fb343e022 | 321 | * On Entry: |
j3 | 1:90a7cf4e7d26 | 322 | * @param[in] device_number - device to write too |
j3 | 1:90a7cf4e7d26 | 323 | * @param[in] digit - digit to clear |
j3 | 0:798fb343e022 | 324 | * |
j3 | 0:798fb343e022 | 325 | * On Exit: |
j3 | 1:90a7cf4e7d26 | 326 | * @return returns 0 on success, |
j3 | 1:90a7cf4e7d26 | 327 | * returns -1 if device number is > _num_devices |
j3 | 1:90a7cf4e7d26 | 328 | * returns -2 if device number is 0 |
j3 | 1:90a7cf4e7d26 | 329 | * returns -3 if digit > 8 |
j3 | 1:90a7cf4e7d26 | 330 | * returns -4 if digit < 1 |
j3 | 0:798fb343e022 | 331 | **************************************************************/ |
j3 | 0:798fb343e022 | 332 | int32_t clear_digit(uint8_t device_number, uint8_t digit); |
j3 | 0:798fb343e022 | 333 | |
j3 | 0:798fb343e022 | 334 | |
j3 | 0:798fb343e022 | 335 | /**********************************************************//** |
j3 | 0:798fb343e022 | 336 | * @brief turns on all segments/digits of given device |
j3 | 0:798fb343e022 | 337 | * |
j3 | 0:798fb343e022 | 338 | * @details |
j3 | 0:798fb343e022 | 339 | * |
j3 | 0:798fb343e022 | 340 | * On Entry: |
j3 | 1:90a7cf4e7d26 | 341 | * @param[in] device_number - device to write too |
j3 | 0:798fb343e022 | 342 | * |
j3 | 0:798fb343e022 | 343 | * On Exit: |
j3 | 1:90a7cf4e7d26 | 344 | * @return returns 0 on success, |
j3 | 1:90a7cf4e7d26 | 345 | * returns -1 if device number is > _num_devices |
j3 | 1:90a7cf4e7d26 | 346 | * returns -2 if device number is 0 |
j3 | 0:798fb343e022 | 347 | **************************************************************/ |
j3 | 0:798fb343e022 | 348 | int32_t device_all_on(uint8_t device_number); |
j3 | 0:798fb343e022 | 349 | |
j3 | 0:798fb343e022 | 350 | |
j3 | 0:798fb343e022 | 351 | /**********************************************************//** |
j3 | 0:798fb343e022 | 352 | * @brief turns off all segments/digits of given device |
j3 | 0:798fb343e022 | 353 | * |
j3 | 0:798fb343e022 | 354 | * @details |
j3 | 0:798fb343e022 | 355 | * |
j3 | 0:798fb343e022 | 356 | * On Entry: |
j3 | 1:90a7cf4e7d26 | 357 | * @param[in] device_number - device to write too |
j3 | 0:798fb343e022 | 358 | * |
j3 | 0:798fb343e022 | 359 | * On Exit: |
j3 | 1:90a7cf4e7d26 | 360 | * @return returns 0 on success, |
j3 | 1:90a7cf4e7d26 | 361 | * returns -1 if device number is > _num_devices |
j3 | 1:90a7cf4e7d26 | 362 | * returns -2 if device number is 0 |
j3 | 0:798fb343e022 | 363 | **************************************************************/ |
j3 | 0:798fb343e022 | 364 | int32_t device_all_off(uint8_t device_number); |
j3 | 0:798fb343e022 | 365 | |
j3 | 0:798fb343e022 | 366 | |
j3 | 0:798fb343e022 | 367 | /**********************************************************//** |
j3 | 0:798fb343e022 | 368 | * @brief turns on all segments/digits of display |
j3 | 0:798fb343e022 | 369 | * |
j3 | 0:798fb343e022 | 370 | * @details |
j3 | 0:798fb343e022 | 371 | * |
j3 | 0:798fb343e022 | 372 | * On Entry: |
j3 | 0:798fb343e022 | 373 | * |
j3 | 0:798fb343e022 | 374 | * On Exit: |
j3 | 0:798fb343e022 | 375 | * @return none |
j3 | 0:798fb343e022 | 376 | **************************************************************/ |
j3 | 0:798fb343e022 | 377 | void display_all_on(void); |
j3 | 0:798fb343e022 | 378 | |
j3 | 0:798fb343e022 | 379 | |
j3 | 0:798fb343e022 | 380 | /**********************************************************//** |
j3 | 0:798fb343e022 | 381 | * @brief turns off all segments/digits of display |
j3 | 0:798fb343e022 | 382 | * |
j3 | 0:798fb343e022 | 383 | * @details |
j3 | 0:798fb343e022 | 384 | * |
j3 | 0:798fb343e022 | 385 | * On Entry: |
j3 | 0:798fb343e022 | 386 | * |
j3 | 0:798fb343e022 | 387 | * On Exit: |
j3 | 0:798fb343e022 | 388 | * @return none |
j3 | 0:798fb343e022 | 389 | **************************************************************/ |
j3 | 0:798fb343e022 | 390 | void display_all_off(void); |
j3 | 0:798fb343e022 | 391 | |
j3 | 0:798fb343e022 | 392 | |
j3 | 0:798fb343e022 | 393 | private: |
j3 | 0:798fb343e022 | 394 | |
j3 | 0:798fb343e022 | 395 | SPI *_p_spi; |
j3 | 0:798fb343e022 | 396 | DigitalOut *_p_cs; |
j3 | 0:798fb343e022 | 397 | bool _spi_owner; |
j3 | 0:798fb343e022 | 398 | |
j3 | 0:798fb343e022 | 399 | uint8_t _num_devices; |
j3 | 0:798fb343e022 | 400 | |
j3 | 0:798fb343e022 | 401 | }; |
j3 | 0:798fb343e022 | 402 | #endif /* MAX7219_H*/ |