Mon, 03 Apr 2023 20:11:29 +0200
Changed voltage range to 32 volt. Tried INA219 powersave mode, doesn't work.
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>
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3 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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4 | * Copyright (c) 2013 FastLED |
1c9894662795
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5 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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>
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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.
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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.
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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.
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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>
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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>
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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.
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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.
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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>
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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.
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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>
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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.
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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.
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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.
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21 | * SOFTWARE. |
1c9894662795
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22 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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23 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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24 | /** |
1c9894662795
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25 | * @file color.h |
1c9894662795
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26 | * @defgroup color color |
1c9894662795
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27 | * @{ |
1c9894662795
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28 | * |
1c9894662795
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29 | * Functions for RGB and HSV colors |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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30 | * |
1c9894662795
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31 | * Ported from FastLED |
1c9894662795
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32 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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33 | * 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.
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34 | */ |
1c9894662795
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35 | #ifndef __COLOR_H__ |
1c9894662795
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36 | #define __COLOR_H__ |
1c9894662795
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37 | |
1c9894662795
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38 | #include <stdint.h> |
1c9894662795
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39 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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40 | #include "rgb.h" |
1c9894662795
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41 | #include "hsv.h" |
1c9894662795
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42 | |
1c9894662795
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43 | #ifdef __cplusplus |
1c9894662795
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44 | extern "C" { |
1c9894662795
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45 | #endif |
1c9894662795
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46 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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47 | #define HUE_MAX_RAINBOW 255 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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48 | #define HUE_MAX_SPECTRUM 255 |
1c9894662795
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49 | #define HUE_MAX_RAW 191 |
1c9894662795
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50 | |
1c9894662795
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51 | //////////////////////////////////////////////////////////////////////////////// |
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52 | // Color conversion |
1c9894662795
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53 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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54 | /** |
1c9894662795
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55 | * @brief Convert HSV to RGB using balanced rainbow |
1c9894662795
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56 | * |
1c9894662795
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57 | * Convert a hue, saturation, and value to RGB using a visually balanced |
1c9894662795
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58 | * rainbow (vs a straight mathematical spectrum). This 'rainbow' yields |
1c9894662795
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59 | * better yellow and orange than a straight 'spectrum'. |
1c9894662795
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60 | * |
1c9894662795
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61 | * @note here hue is 0-255, not just 0-191 |
1c9894662795
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62 | * |
1c9894662795
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63 | * @param hsv HSV color |
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64 | * @return RGB color |
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65 | */ |
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66 | rgb_t hsv2rgb_rainbow(hsv_t hsv); |
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67 | |
1c9894662795
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68 | /** |
1c9894662795
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69 | * @brief Convert HSV to RGB using mathematically straight spectrum |
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70 | * |
1c9894662795
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71 | * Convert a hue, saturation, and value to RGB using a mathematically straight |
1c9894662795
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72 | * spectrum (vs a visually balanced rainbow). This 'spectrum' will have more |
1c9894662795
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73 | * green & blue than a 'rainbow', and less yellow and orange. |
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74 | * |
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75 | * @note here hue is 0-255, not just 0-191 |
1c9894662795
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76 | * |
1c9894662795
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77 | * @param hsv HSV color |
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78 | * @return RGB color |
1c9894662795
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79 | */ |
1c9894662795
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80 | rgb_t hsv2rgb_spectrum(hsv_t hsv); |
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81 | |
1c9894662795
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82 | /** |
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83 | * @brief Convert HSV to RGB using spectrum |
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84 | * |
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85 | * Convert hue, saturation, and value to RGB. This 'spectrum' conversion will |
1c9894662795
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86 | * be more green & blue than a real 'rainbow', and the hue is specified just in |
1c9894662795
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87 | * the range 0-191. |
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88 | * Together, these result in a slightly faster conversion speed, at the expense |
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89 | * of color balance. |
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90 | * |
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91 | * @note Hue is 0-191 only! Saturation & value are 0-255 each. |
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92 | * |
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93 | * @param hsv HSV color |
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94 | * @return RGB color |
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95 | */ |
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96 | rgb_t hsv2rgb_raw(hsv_t hsv); |
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97 | |
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98 | /** |
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99 | * @brief Recover approximate HSV values from RGB |
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100 | * |
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101 | * This function is a long-term work in process; expect results to change |
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102 | * slightly over time as this function is refined and improved. |
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103 | * |
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104 | * This function is most accurate when the input is an RGB color that came |
1c9894662795
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105 | * from a fully-saturated HSV color to start with. |
1c9894662795
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106 | * |
1c9894662795
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107 | * This function is not nearly as fast as HSV-to-RGB. It is provided for |
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108 | * those situations when the need for this function cannot be avoided, or |
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109 | * when extremely high performance is not needed. |
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110 | * |
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111 | * Why is this 'only' an "approximation"? Not all RGB colors have HSV |
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112 | * equivalents! For example, there is no HSV value that will ever convert |
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113 | * to RGB(255,255,0) using the code provided in this library. |
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114 | * So if you try to convert RGB(255,255,0) 'back' to HSV, you'll necessarily |
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115 | * get only an approximation. |
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116 | * Emphasis has been placed on getting the 'hue' as close as usefully possible, |
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117 | * but even that's a bit of a challenge. |
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118 | * The 8-bit HSV and 8-bit RGB color spaces are not a "bijection". |
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119 | * Nevertheless, this function does a pretty good job, particularly at |
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120 | * recovering the 'hue' from fully saturated RGB colors that originally came |
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121 | * from HSV rainbow colors. |
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122 | * The more desaturated the original RGB color is, the rougher the approximation, |
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123 | * and the less accurate the results. |
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124 | * |
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125 | * @param rgb RGB color |
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126 | * @return Approximated HSV color |
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127 | */ |
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128 | hsv_t rgb2hsv_approximate(rgb_t rgb); |
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129 | |
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130 | /** |
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131 | * @brief Approximates a 'black body radiation' spectrum for a given 'heat' level. |
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132 | * |
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133 | * This is useful for animations of 'fire'. Heat is specified as an arbitrary scale |
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134 | * from 0 (cool) to 255 (hot). |
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135 | * This is NOT a chromatically correct 'black body radiation' spectrum, but it's |
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136 | * surprisingly close, and it's fast and small. |
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137 | */ |
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138 | rgb_t rgb_heat_color(uint8_t temperature); |
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139 | |
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140 | //////////////////////////////////////////////////////////////////////////////// |
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141 | // Fill functions |
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142 | |
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143 | /** |
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144 | * Fill an array of HSV colors with a solid HSV color |
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145 | */ |
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146 | void hsv_fill_solid_hsv(hsv_t *target, hsv_t color, size_t num); |
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147 | |
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148 | /** |
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149 | * Fill an array of RGB colors with a solid HSV color |
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150 | */ |
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151 | void rgb_fill_solid_hsv(rgb_t *target, hsv_t color, size_t num); |
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152 | |
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153 | /** |
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154 | * Fill an array of RGB colors with a solid RGB color |
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155 | */ |
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156 | void rgb_fill_solid_rgb(rgb_t *target, rgb_t color, size_t num); |
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157 | |
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158 | /** |
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159 | * @brief Fill an array of HSV colors with a smooth HSV gradient between two |
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160 | * specified HSV colors. |
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161 | * |
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162 | * Since 'hue' is a value around a color wheel, |
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163 | * there are always two ways to sweep from one hue |
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164 | * to another. |
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165 | * This function lets you specify which way you want |
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166 | * the hue gradient to sweep around the color wheel: |
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167 | * |
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168 | * FORWARD_HUES: hue always goes clockwise |
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169 | * BACKWARD_HUES: hue always goes counter-clockwise |
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170 | * SHORTEST_HUES: hue goes whichever way is shortest |
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171 | * LONGEST_HUES: hue goes whichever way is longest |
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172 | * |
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173 | * The default is SHORTEST_HUES, as this is nearly |
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174 | * always what is wanted. |
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175 | */ |
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176 | void hsv_fill_gradient_hsv(hsv_t *target, size_t startpos, hsv_t startcolor, size_t endpos, hsv_t endcolor, |
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177 | color_gradient_direction_t direction); |
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178 | |
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179 | static inline void hsv_fill_gradient2_hsv(hsv_t *target, size_t num, hsv_t c1, hsv_t c2, |
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180 | color_gradient_direction_t direction) |
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181 | { |
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182 | hsv_fill_gradient_hsv(target, 0, c1, num - 1, c2, direction); |
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183 | } |
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184 | |
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185 | static inline void hsv_fill_gradient3_hsv(hsv_t *target, size_t num, hsv_t c1, hsv_t c2, hsv_t c3, |
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186 | color_gradient_direction_t direction) |
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187 | { |
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188 | size_t half = num / 2; |
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189 | hsv_fill_gradient_hsv(target, 0, c1, half, c2, direction); |
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190 | hsv_fill_gradient_hsv(target, half, c2, num - 1, c3, direction); |
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191 | } |
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192 | |
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193 | static inline void hsv_fill_gradient4_hsv(hsv_t *target, size_t num, hsv_t c1, hsv_t c2, hsv_t c3, hsv_t c4, |
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194 | color_gradient_direction_t direction) |
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195 | { |
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196 | size_t onethird = num / 3; |
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197 | size_t twothirds = num * 2 / 3; |
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198 | hsv_fill_gradient_hsv(target, 0, c1, onethird, c2, direction); |
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199 | hsv_fill_gradient_hsv(target, onethird, c2, twothirds, c3, direction); |
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200 | hsv_fill_gradient_hsv(target, twothirds, c3, num - 1, c4, direction); |
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201 | } |
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202 | |
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203 | /** |
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204 | * Same as ::hsv_fill_gradient_hsv(), but for array of RGB |
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205 | * |
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206 | * The gradient is computed in HSV space, and then HSV values are |
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207 | * converted to RGB as they're written into the RGB array. |
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208 | */ |
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209 | void rgb_fill_gradient_hsv(rgb_t *target, size_t startpos, hsv_t startcolor, size_t endpos, hsv_t endcolor, |
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210 | color_gradient_direction_t direction); |
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211 | |
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212 | static inline void rgb_fill_gradient2_hsv(rgb_t *target, size_t num, hsv_t c1, hsv_t c2, |
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213 | color_gradient_direction_t direction) |
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214 | { |
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215 | rgb_fill_gradient_hsv(target, 0, c1, num - 1, c2, direction); |
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216 | } |
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217 | |
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218 | static inline void rgb_fill_gradient3_hsv(rgb_t *target, size_t num, hsv_t c1, hsv_t c2, hsv_t c3, |
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219 | color_gradient_direction_t direction) |
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220 | { |
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221 | size_t half = num / 2; |
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222 | rgb_fill_gradient_hsv(target, 0, c1, half, c2, direction); |
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223 | rgb_fill_gradient_hsv(target, half, c2, num - 1, c3, direction); |
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224 | } |
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225 | |
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226 | static inline void rgb_fill_gradient4_hsv(rgb_t *target, size_t num, hsv_t c1, hsv_t c2, hsv_t c3, hsv_t c4, |
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227 | color_gradient_direction_t direction) |
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228 | { |
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229 | size_t onethird = num / 3; |
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230 | size_t twothirds = num * 2 / 3; |
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231 | rgb_fill_gradient_hsv(target, 0, c1, onethird, c2, direction); |
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232 | rgb_fill_gradient_hsv(target, onethird, c2, twothirds, c3, direction); |
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233 | rgb_fill_gradient_hsv(target, twothirds, c3, num - 1, c4, direction); |
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234 | } |
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235 | |
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236 | /** |
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237 | * @brief Fill a range of LEDs with a smooth RGB gradient |
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238 | * between two specified RGB colors. |
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239 | * |
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240 | * Unlike HSV, there is no 'color wheel' in RGB space, and therefore |
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241 | * there's only one 'direction' for the gradient to go, and no |
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242 | * 'direction' is needed. |
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243 | */ |
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244 | void rgb_fill_gradient_rgb(rgb_t *leds, size_t startpos, rgb_t startcolor, size_t endpos, rgb_t endcolor); |
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245 | |
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246 | static inline void rgb_fill_gradient2_rgb(rgb_t *target, size_t num, rgb_t c1, rgb_t c2) |
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247 | { |
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248 | rgb_fill_gradient_rgb(target, 0, c1, num - 1, c2); |
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249 | } |
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250 | |
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251 | static inline void rgb_fill_gradient3_rgb(rgb_t *target, size_t num, rgb_t c1, rgb_t c2, rgb_t c3) |
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252 | { |
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253 | size_t half = num / 2; |
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254 | rgb_fill_gradient_rgb(target, 0, c1, half, c2); |
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255 | rgb_fill_gradient_rgb(target, half, c2, num - 1, c3); |
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256 | } |
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257 | |
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258 | static inline void rgb_fill_gradient4_rgb(rgb_t *target, size_t num, rgb_t c1, rgb_t c2, rgb_t c3, rgb_t c4) |
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259 | { |
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260 | size_t onethird = num / 3; |
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261 | size_t twothirds = num * 2 / 3; |
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262 | rgb_fill_gradient_rgb(target, 0, c1, onethird, c2); |
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263 | rgb_fill_gradient_rgb(target, onethird, c2, twothirds, c3); |
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264 | rgb_fill_gradient_rgb(target, twothirds, c3, num - 1, c4); |
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265 | } |
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266 | |
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267 | //////////////////////////////////////////////////////////////////////////////// |
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268 | // Palette functions |
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269 | |
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270 | /** |
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271 | * Return an HSV color with 'index' from 'palette' (array of HSV colors). |
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272 | * Even though palette has lesser than 256 explicily defined entries, you |
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273 | * can use an 'index' from 0..255. The 'pal_size' explicit palette entries will |
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274 | * be spread evenly across the 0..255 range, and the intermedate values |
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275 | * will be HSV-interpolated between adjacent explicit entries. |
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276 | */ |
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277 | hsv_t color_from_palette_hsv(const hsv_t *palette, uint8_t pal_size, uint8_t index, uint8_t brightness, bool blend); |
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278 | |
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279 | /** |
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280 | * Same for RGB palette |
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281 | */ |
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282 | rgb_t color_from_palette_rgb(const rgb_t *palette, uint8_t pal_size, uint8_t index, uint8_t brightness, bool blend); |
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283 | |
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284 | //////////////////////////////////////////////////////////////////////////////// |
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285 | // Filter functions |
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286 | |
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287 | /** |
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288 | * Function which must be provided by the application for use in two-dimensional |
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289 | * filter functions. |
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290 | */ |
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291 | typedef size_t (*xy_to_offs_cb)(void *ctx, size_t x, size_t y); |
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292 | |
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293 | /** |
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294 | * @brief One-dimensional blur filter. |
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295 | * |
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296 | * Spreads light to 2 line neighbors. |
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297 | * |
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298 | * 0 = no spread at all |
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299 | * 64 = moderate spreading |
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300 | * 172 = maximum smooth, even spreading |
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301 | * |
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302 | * 173..255 = wider spreading, but increasing flicker |
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303 | * |
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304 | * Total light is NOT entirely conserved, so many repeated calls to 'blur' |
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305 | * will also result in the light fading, eventually all the way to black; |
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306 | * this is by design so that it can be used to (slowly) clear the LEDs |
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307 | * to black. |
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308 | */ |
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309 | void blur1d(rgb_t *leds, size_t num_leds, fract8 blur_amount); |
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310 | |
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311 | /** |
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312 | * @brief Perform a blur1d on each column of a rectangular matrix |
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313 | */ |
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314 | void blur_columns(rgb_t *leds, size_t width, size_t height, fract8 blur_amount, xy_to_offs_cb xy, void *ctx); |
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315 | |
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316 | /** |
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317 | * @brief Perform a blur1d on each row of a rectangular matrix |
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318 | */ |
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319 | void blur_rows(rgb_t *leds, size_t width, size_t height, fract8 blur_amount, xy_to_offs_cb xy, void *ctx); |
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320 | |
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321 | /** |
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322 | * @brief Two-dimensional blur filter. |
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323 | * |
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324 | * Spreads light to 8 XY neighbors. |
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325 | * |
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326 | * 0 = no spread at all |
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327 | * 64 = moderate spreading |
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328 | * 172 = maximum smooth, even spreading |
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329 | * |
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330 | * 173..255 = wider spreading, but increasing flicker |
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331 | * |
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332 | * Total light is NOT entirely conserved, so many repeated calls to 'blur' |
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333 | * will also result in the light fading, eventually all the way to black; |
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334 | * this is by design so that it can be used to (slowly) clear the LEDs |
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335 | * to black. |
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336 | */ |
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337 | void blur2d(rgb_t *leds, size_t width, size_t height, fract8 blur_amount, xy_to_offs_cb xy, void *ctx); |
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338 | |
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339 | //////////////////////////////////////////////////////////////////////////////// |
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340 | // Gamma functions |
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341 | |
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342 | /** |
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343 | * @brief Single gamma adjustment to a single scalar value. |
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344 | * |
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345 | * Bear in mind that RGB leds have only eight bits per channel of color resolution, |
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346 | * and that very small, subtle shadings may not be visible. |
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347 | */ |
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348 | uint8_t apply_gamma2brightness(uint8_t brightness, float gamma); |
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349 | |
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350 | /** |
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351 | * @brief Single gamma adjustment to each channel of a RGB color. |
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352 | */ |
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353 | rgb_t apply_gamma2rgb(rgb_t c, float gamma); |
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354 | |
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355 | /** |
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356 | * @brief Different gamma adjustments for each channel of a RGB color. |
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357 | */ |
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358 | rgb_t apply_gamma2rgb_channels(rgb_t c, float gamma_r, float gamma_g, float gamma_b); |
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359 | |
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360 | #ifdef __cplusplus |
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361 | } |
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362 | #endif |
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363 | |
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364 | /**@}*/ |
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365 | |
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366 | #endif /* __COLOR_H__ */ |