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 | * The MIT License (MIT) |
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 | * Copyright (c) 2021 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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5 | * |
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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6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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 | * of this software and associated documentation files (the "Software"), to deal |
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 | * in the Software without restriction, including without limitation the rights |
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 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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 | * copies of the Software, and to permit persons to whom the Software 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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11 | * furnished to do so, subject to the following conditions: |
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 | * The above copyright notice and this permission notice shall be included in all |
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 | * copies or substantial portions of the Software. |
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 | * |
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 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 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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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 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 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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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20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 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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21 | * SOFTWARE. |
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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22 | */ |
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 | |
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 | /** |
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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25 | * @file framebuffer.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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26 | * |
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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27 | * Simple abstraction of RGB framebuffer for ESP-IDF |
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 | * Copyright (c) 2021 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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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 | * MIT 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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32 | */ |
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 | #include <stdlib.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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34 | #include "framebuffer.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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35 | |
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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36 | #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>
parents:
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37 | #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>
parents:
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38 | |
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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39 | static size_t xy(void *ctx, size_t x, size_t y) |
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 | { |
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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41 | framebuffer_t *fb = (framebuffer_t *)ctx; |
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 | return y * fb->width + x; |
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 | |
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 | esp_err_t fb_init(framebuffer_t *fb, size_t width, size_t height, fb_render_cb_t render_cb) |
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 | { |
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 | CHECK_ARG(fb && width && height && render_cb); |
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 | |
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 | fb->width = width; |
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 | fb->height = height; |
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 | fb->frame_num = 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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52 | fb->last_frame_us = 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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53 | fb->render = render_cb; |
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 | fb->internal = NULL; |
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 | fb->mutex = xSemaphoreCreateMutex(); |
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 | if (!fb->mutex) |
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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57 | return ESP_ERR_NO_MEM; |
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 | fb->data = calloc(1, FB_SIZE(fb)); |
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 | if (!fb->data) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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60 | return ESP_ERR_NO_MEM; |
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 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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62 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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 | |
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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65 | esp_err_t fb_free(framebuffer_t *fb) |
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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66 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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67 | CHECK_ARG(fb); |
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.
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69 | if (fb->data) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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70 | free(fb->data); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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71 | if (fb->mutex) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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72 | vSemaphoreDelete(fb->mutex); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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73 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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74 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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75 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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 | esp_err_t fb_render(framebuffer_t *fb, void *render_ctx) |
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.
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79 | CHECK_ARG(fb && fb->data && fb->render); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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80 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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81 | if (xSemaphoreTake(fb->mutex, 0) != pdTRUE) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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82 | return ESP_ERR_INVALID_STATE; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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83 | CHECK(fb->render(fb, render_ctx)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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84 | xSemaphoreGive(fb->mutex); |
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 | return ESP_OK; |
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 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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89 | esp_err_t fb_set_pixel_rgb(framebuffer_t *fb, size_t x, size_t y, rgb_t color) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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90 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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91 | CHECK_ARG(fb && fb->data && x < fb->width && y < fb->height); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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92 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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93 | fb->data[FB_OFFSET(fb, x, y)] = color; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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94 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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95 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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96 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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97 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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98 | esp_err_t fb_set_pixel_hsv(framebuffer_t *fb, size_t x, size_t y, hsv_t color) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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99 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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100 | CHECK_ARG(fb && fb->data && x < fb->width && y < fb->height); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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101 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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102 | fb->data[FB_OFFSET(fb, x, y)] = hsv2rgb_rainbow(color); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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103 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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104 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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105 | } |
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106 | |
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107 | esp_err_t fb_get_pixel_rgb(framebuffer_t *fb, size_t x, size_t y, rgb_t *color) |
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108 | { |
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109 | CHECK_ARG(color && fb && fb->data && x < fb->width && y < fb->height); |
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110 | |
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111 | *color = fb->data[FB_OFFSET(fb, x, y)]; |
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112 | |
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113 | return ESP_OK; |
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114 | } |
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115 | |
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116 | esp_err_t fb_get_pixel_hsv(framebuffer_t *fb, size_t x, size_t y, hsv_t *color) |
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117 | { |
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118 | CHECK_ARG(color && fb && fb->data && x < fb->width && y < fb->height); |
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119 | |
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120 | *color = rgb2hsv_approximate(fb->data[FB_OFFSET(fb, x, y)]); |
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121 | |
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122 | return ESP_OK; |
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123 | } |
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124 | |
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125 | #define WU_WEIGHT(a, b) ((uint8_t)(((a) * (b) + (a) + (b)) >> 8)) |
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126 | |
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127 | esp_err_t fb_set_pixelf_rgb(framebuffer_t *fb, float x, float y, rgb_t color) |
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128 | { |
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129 | CHECK_ARG(fb && fb->data); |
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130 | |
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131 | // extract the fractional parts and derive their inverses |
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132 | uint8_t xx = (x - (int)x) * 255; |
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133 | uint8_t yy = (y - (int)y) * 255; |
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134 | uint8_t ix = 255 - xx; |
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135 | uint8_t iy = 255 - yy; |
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136 | |
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137 | // calculate the intensities for each affected pixel |
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138 | uint8_t weights[4] = { |
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139 | WU_WEIGHT(ix, iy), |
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140 | WU_WEIGHT(xx, iy), |
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141 | WU_WEIGHT(ix, yy), |
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142 | WU_WEIGHT(xx, yy) |
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143 | }; |
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144 | // multiply the intensities by the colour, and saturating-add them to the pixels |
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145 | for (uint8_t i = 0; i < 4; i++) |
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146 | { |
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147 | int xn = x + (i & 1); |
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148 | int yn = y + ((i >> 1) & 1); |
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149 | rgb_t clr = { 0 }; |
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150 | fb_get_pixel_rgb(fb, xn, yn, &clr); |
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151 | clr.r = qadd8(clr.r, (color.r * weights[i]) >> 8); |
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152 | clr.g = qadd8(clr.g, (color.g * weights[i]) >> 8); |
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153 | clr.b = qadd8(clr.b, (color.b * weights[i]) >> 8); |
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154 | fb_set_pixel_rgb(fb, xn, yn, clr); |
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155 | } |
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156 | |
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157 | return ESP_OK; |
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158 | } |
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159 | |
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160 | esp_err_t fb_set_pixelf_hsv(framebuffer_t *fb, float x, float y, hsv_t color) |
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161 | { |
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162 | return fb_set_pixelf_rgb(fb, x, y, hsv2rgb_rainbow(color)); |
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163 | } |
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164 | |
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165 | esp_err_t fb_clear(framebuffer_t *fb) |
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166 | { |
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167 | CHECK_ARG(fb && fb->data); |
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168 | |
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169 | memset(fb->data, 0, FB_SIZE(fb)); |
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170 | |
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171 | return ESP_OK; |
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172 | } |
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173 | |
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174 | esp_err_t fb_shift(framebuffer_t *fb, size_t offs, fb_shift_direction_t dir) |
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175 | { |
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176 | CHECK_ARG(fb && fb->data && offs); |
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177 | |
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178 | if (((dir == FB_SHIFT_LEFT || dir == FB_SHIFT_RIGHT) && offs >= fb->width) |
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179 | || ((dir == FB_SHIFT_UP || dir == FB_SHIFT_DOWN) && offs >= fb->height)) |
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180 | return ESP_OK; |
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181 | |
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182 | switch (dir) |
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183 | { |
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184 | case FB_SHIFT_LEFT: |
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185 | for (size_t row = 0; row < fb->height; row++) |
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186 | memmove(fb->data + row * fb->width, |
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187 | fb->data + row * fb->width + offs, |
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188 | sizeof(rgb_t) * (fb->width - offs)); |
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189 | break; |
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190 | case FB_SHIFT_RIGHT: |
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191 | for (size_t row = 0; row < fb->height; row++) |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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192 | memmove(fb->data + row * fb->width + offs, |
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193 | fb->data + row * fb->width, |
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194 | sizeof(rgb_t) * (fb->width - offs)); |
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195 | break; |
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196 | case FB_SHIFT_UP: |
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197 | memmove(fb->data + offs * fb->width, |
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198 | fb->data, |
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199 | FB_SIZE(fb) - offs * fb->width * sizeof(rgb_t)); |
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200 | break; |
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201 | case FB_SHIFT_DOWN: |
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202 | memmove(fb->data, |
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203 | fb->data + offs * fb->width, |
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204 | FB_SIZE(fb) - offs * fb->width * sizeof(rgb_t)); |
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205 | break; |
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206 | } |
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207 | |
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208 | return ESP_OK; |
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209 | } |
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210 | |
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211 | esp_err_t fb_fade(framebuffer_t *fb, uint8_t scale) |
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212 | { |
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213 | CHECK_ARG(fb && fb->data); |
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214 | |
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215 | for (size_t i = 0; i < fb->width * fb->height; i++) |
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216 | fb->data[i] = rgb_fade(fb->data[i], scale); |
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217 | |
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218 | return ESP_OK; |
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219 | } |
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220 | |
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221 | esp_err_t fb_blur2d(framebuffer_t *fb, fract8 amount) |
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222 | { |
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223 | CHECK_ARG(fb && fb->data); |
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224 | |
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225 | blur2d(fb->data, fb->width, fb->height, amount, xy, fb); |
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226 | |
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227 | return ESP_OK; |
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228 | } |
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229 | |
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230 | esp_err_t fb_begin(framebuffer_t *fb) |
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231 | { |
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232 | CHECK_ARG(fb); |
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233 | |
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234 | if (xSemaphoreTake(fb->mutex, 0) != pdTRUE) |
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235 | return ESP_ERR_INVALID_STATE; |
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236 | |
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237 | return ESP_OK; |
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238 | } |
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239 | |
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240 | esp_err_t fb_end(framebuffer_t *fb) |
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241 | { |
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242 | CHECK_ARG(fb); |
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243 | |
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244 | fb->frame_num++; |
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245 | fb->last_frame_us = esp_timer_get_time(); |
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246 | xSemaphoreGive(fb->mutex); |
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247 | |
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248 | return ESP_OK; |
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249 | } |