Thu, 06 Apr 2023 20:53:06 +0200
Set the new measured deep sleep current consumption. This is half of the Wemos D1 system.
1
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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1 | /* |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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2 | * Copyright (c) 2019 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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3 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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4 | * Redistribution and use in source and binary forms, with or without |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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5 | * modification, are permitted provided that the following conditions are met: |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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6 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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7 | * 1. Redistributions of source code must retain the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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8 | * this list of conditions and the following disclaimer. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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9 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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10 | * this list of conditions and the following disclaimer in the documentation |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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11 | * and/or other materials provided with the distribution. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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12 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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13 | * may be used to endorse or promote products derived from this software without |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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14 | * specific prior written permission. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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15 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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19 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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22 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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23 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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25 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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26 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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27 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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28 | /** |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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29 | * @file max7219.c |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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30 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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31 | * ESP-IDF driver for MAX7219/MAX7221 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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32 | * Serially Interfaced, 8-Digit LED Display Drivers |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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33 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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34 | * Ported from esp-open-rtos |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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35 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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36 | * Copyright (c) 2017 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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37 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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38 | * BSD Licensed as described in the file LICENSE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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39 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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40 | #include "max7219.h" |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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41 | #include <string.h> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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42 | #include <esp_log.h> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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43 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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44 | #include "max7219_priv.h" |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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45 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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46 | static const char *TAG = "max7219"; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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47 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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48 | #define ALL_CHIPS 0xff |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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49 | #define ALL_DIGITS 8 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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50 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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51 | #define REG_DIGIT_0 (1 << 8) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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52 | #define REG_DECODE_MODE (9 << 8) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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53 | #define REG_INTENSITY (10 << 8) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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54 | #define REG_SCAN_LIMIT (11 << 8) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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55 | #define REG_SHUTDOWN (12 << 8) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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56 | #define REG_DISPLAY_TEST (15 << 8) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
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57 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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58 | #define VAL_CLEAR_BCD 0x0f |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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59 | #define VAL_CLEAR_NORMAL 0x00 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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60 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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61 | #define CHECK(x) do { esp_err_t __; if ((__ = x) != ESP_OK) return __; } while (0) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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62 | #define CHECK_ARG(VAL) do { if (!(VAL)) return ESP_ERR_INVALID_ARG; } while (0) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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63 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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64 | static inline uint16_t shuffle(uint16_t val) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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65 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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66 | return (val >> 8) | (val << 8); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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67 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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68 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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69 | static esp_err_t send(max7219_t *dev, uint8_t chip, uint16_t value) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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70 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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71 | uint16_t buf[MAX7219_MAX_CASCADE_SIZE] = { 0 }; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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72 | if (chip == ALL_CHIPS) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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73 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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74 | for (uint8_t i = 0; i < dev->cascade_size; i++) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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75 | buf[i] = shuffle(value); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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76 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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77 | else buf[chip] = shuffle(value); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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78 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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79 | spi_transaction_t t; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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80 | memset(&t, 0, sizeof(t)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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81 | t.length = dev->cascade_size * 16; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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82 | t.tx_buffer = buf; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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83 | return spi_device_transmit(dev->spi_dev, &t); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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84 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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85 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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86 | inline static uint8_t get_char(max7219_t *dev, char c) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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87 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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88 | if (dev->bcd) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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89 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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90 | if (c >= '0' && c <= '9') |
1c9894662795
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91 | return c - '0'; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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92 | switch (c) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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93 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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94 | case '-': |
1c9894662795
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95 | return 0x0a; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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96 | case 'E': |
1c9894662795
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97 | case 'e': |
1c9894662795
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98 | return 0x0b; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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99 | case 'H': |
1c9894662795
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100 | case 'h': |
1c9894662795
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101 | return 0x0c; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
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102 | case 'L': |
1c9894662795
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103 | case 'l': |
1c9894662795
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104 | return 0x0d; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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105 | case 'P': |
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106 | case 'p': |
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107 | return 0x0e; |
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108 | } |
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109 | return VAL_CLEAR_BCD; |
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110 | } |
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111 | |
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112 | return font_7seg[(c - 0x20) & 0x7f]; |
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113 | } |
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114 | |
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115 | /////////////////////////////////////////////////////////////////////////////// |
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116 | |
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117 | esp_err_t max7219_init_desc(max7219_t *dev, spi_host_device_t host, uint32_t clock_speed_hz, gpio_num_t cs_pin) |
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118 | { |
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119 | CHECK_ARG(dev); |
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120 | |
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121 | memset(&dev->spi_cfg, 0, sizeof(dev->spi_cfg)); |
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122 | dev->spi_cfg.spics_io_num = cs_pin; |
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123 | dev->spi_cfg.clock_speed_hz = clock_speed_hz; |
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124 | dev->spi_cfg.mode = 0; |
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125 | dev->spi_cfg.queue_size = 1; |
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126 | dev->spi_cfg.flags = SPI_DEVICE_NO_DUMMY; |
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127 | |
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128 | return spi_bus_add_device(host, &dev->spi_cfg, &dev->spi_dev); |
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129 | } |
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130 | |
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131 | esp_err_t max7219_free_desc(max7219_t *dev) |
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132 | { |
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133 | CHECK_ARG(dev); |
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134 | |
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135 | return spi_bus_remove_device(dev->spi_dev); |
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136 | } |
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137 | |
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138 | esp_err_t max7219_init(max7219_t *dev) |
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139 | { |
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140 | CHECK_ARG(dev); |
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141 | if (!dev->cascade_size || dev->cascade_size > MAX7219_MAX_CASCADE_SIZE) |
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142 | { |
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143 | ESP_LOGE(TAG, "Invalid cascade size %d", dev->cascade_size); |
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144 | return ESP_ERR_INVALID_ARG; |
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145 | } |
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146 | |
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147 | uint8_t max_digits = dev->cascade_size * ALL_DIGITS; |
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148 | if (dev->digits > max_digits) |
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149 | { |
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150 | ESP_LOGE(TAG, "Invalid digits count %d, max %d", dev->digits, max_digits); |
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151 | return ESP_ERR_INVALID_ARG; |
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152 | } |
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153 | if (!dev->digits) |
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154 | dev->digits = max_digits; |
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155 | |
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156 | // Shutdown all chips |
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157 | CHECK(max7219_set_shutdown_mode(dev, true)); |
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158 | // Disable test |
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159 | CHECK(send(dev, ALL_CHIPS, REG_DISPLAY_TEST)); |
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160 | // Set max scan limit |
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161 | CHECK(send(dev, ALL_CHIPS, REG_SCAN_LIMIT | (ALL_DIGITS - 1))); |
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162 | // Set normal decode mode & clear display |
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163 | CHECK(max7219_set_decode_mode(dev, false)); |
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164 | // Set minimal brightness |
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165 | CHECK(max7219_set_brightness(dev, 0)); |
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166 | // Wake up |
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167 | CHECK(max7219_set_shutdown_mode(dev, false)); |
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168 | |
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169 | return ESP_OK; |
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170 | } |
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171 | |
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172 | esp_err_t max7219_set_decode_mode(max7219_t *dev, bool bcd) |
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173 | { |
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174 | CHECK_ARG(dev); |
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175 | |
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176 | dev->bcd = bcd; |
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177 | CHECK(send(dev, ALL_CHIPS, REG_DECODE_MODE | (bcd ? 0xff : 0))); |
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178 | CHECK(max7219_clear(dev)); |
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179 | |
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180 | return ESP_OK; |
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181 | } |
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182 | |
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183 | esp_err_t max7219_set_brightness(max7219_t *dev, uint8_t value) |
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184 | { |
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185 | CHECK_ARG(dev); |
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186 | CHECK_ARG(value <= MAX7219_MAX_BRIGHTNESS); |
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187 | |
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188 | CHECK(send(dev, ALL_CHIPS, REG_INTENSITY | value)); |
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189 | |
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190 | return ESP_OK; |
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191 | } |
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192 | |
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193 | esp_err_t max7219_set_shutdown_mode(max7219_t *dev, bool shutdown) |
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194 | { |
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195 | CHECK_ARG(dev); |
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196 | |
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197 | CHECK(send(dev, ALL_CHIPS, REG_SHUTDOWN | !shutdown)); |
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198 | |
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199 | return ESP_OK; |
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200 | } |
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201 | |
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202 | esp_err_t max7219_set_digit(max7219_t *dev, uint8_t digit, uint8_t val) |
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203 | { |
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204 | CHECK_ARG(dev); |
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205 | if (digit >= dev->digits) |
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206 | { |
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207 | ESP_LOGE(TAG, "Invalid digit: %d", digit); |
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208 | return ESP_ERR_INVALID_ARG; |
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209 | } |
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210 | |
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211 | if (dev->mirrored) |
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212 | digit = dev->digits - digit - 1; |
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213 | |
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214 | uint8_t c = digit / ALL_DIGITS; |
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215 | uint8_t d = digit % ALL_DIGITS; |
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216 | |
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217 | ESP_LOGV(TAG, "Chip %d, digit %d val 0x%02x", c, d, val); |
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218 | |
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219 | CHECK(send(dev, c, (REG_DIGIT_0 + ((uint16_t)d << 8)) | val)); |
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220 | |
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221 | return ESP_OK; |
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222 | } |
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223 | |
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224 | esp_err_t max7219_clear(max7219_t *dev) |
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225 | { |
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226 | CHECK_ARG(dev); |
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227 | |
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228 | uint8_t val = dev->bcd ? VAL_CLEAR_BCD : VAL_CLEAR_NORMAL; |
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229 | for (uint8_t i = 0; i < ALL_DIGITS; i++) |
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230 | CHECK(send(dev, ALL_CHIPS, (REG_DIGIT_0 + ((uint16_t)i << 8)) | val)); |
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231 | |
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232 | return ESP_OK; |
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233 | } |
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234 | |
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235 | esp_err_t max7219_draw_text_7seg(max7219_t *dev, uint8_t pos, const char *s) |
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236 | { |
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237 | CHECK_ARG(dev && s); |
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238 | |
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239 | while (*s && pos < dev->digits) |
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240 | { |
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241 | uint8_t c = get_char(dev, *s); |
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242 | if (*(s + 1) == '.') |
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243 | { |
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244 | c |= 0x80; |
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245 | s++; |
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246 | } |
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247 | CHECK(max7219_set_digit(dev, pos, c)); |
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248 | pos++; |
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249 | s++; |
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250 | } |
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251 | |
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252 | return ESP_OK; |
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253 | } |
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254 | |
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255 | esp_err_t max7219_draw_image_8x8(max7219_t *dev, uint8_t pos, const void *image) |
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256 | { |
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257 | CHECK_ARG(dev && image); |
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258 | |
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259 | for (uint8_t i = pos, offs = 0; i < dev->digits && offs < 8; i++, offs++) |
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260 | max7219_set_digit(dev, i, *((uint8_t *)image + offs)); |
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261 | |
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262 | return ESP_OK; |
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263 | } |