Thu, 06 Apr 2023 20:53:06 +0200
Set the new measured deep sleep current consumption. This is half of the Wemos D1 system.
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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1 | /* |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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2 | * Copyright (c) 2016 Grzegorz Hetman <ghetman@gmail.com> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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3 | * Copyright (c) 2016 Alex Stewart <foogod@gmail.com> |
1c9894662795
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4 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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5 | * |
1c9894662795
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6 | * Redistribution and use in source and binary forms, with or without |
1c9894662795
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7 | * 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.
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8 | * |
1c9894662795
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9 | * 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.
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10 | * this list of conditions and the following disclaimer. |
1c9894662795
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11 | * 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.
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12 | * 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.
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13 | * and/or other materials provided with the distribution. |
1c9894662795
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14 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
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15 | * 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.
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16 | * specific prior written permission. |
1c9894662795
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17 | * |
1c9894662795
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
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19 | * 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.
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20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
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21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
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22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
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23 | * 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.
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24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
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25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
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26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
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27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
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28 | */ |
1c9894662795
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29 | |
1c9894662795
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30 | /** |
1c9894662795
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31 | * @file ds18x20.h |
1c9894662795
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32 | * @defgroup ds18x20 ds18x20 |
1c9894662795
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33 | * @{ |
1c9894662795
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34 | * |
1c9894662795
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35 | * ESP-IDF driver for the DS18S20/DS18B20 one-wire temperature sensor ICs |
1c9894662795
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36 | * |
1c9894662795
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37 | * Ported from esp-open-rtos |
1c9894662795
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38 | * |
1c9894662795
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39 | * Copyright (c) 2016 Grzegorz Hetman <ghetman@gmail.com>\n |
1c9894662795
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40 | * Copyright (c) 2016 Alex Stewart <foogod@gmail.com>\n |
1c9894662795
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41 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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42 | * |
1c9894662795
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43 | * BSD Licensed as described in the file LICENSE |
1c9894662795
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44 | */ |
1c9894662795
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45 | #ifndef __DS18X20_H__ |
1c9894662795
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46 | #define __DS18X20_H__ |
1c9894662795
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47 | |
1c9894662795
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48 | #include <esp_err.h> |
1c9894662795
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49 | #include <onewire.h> |
1c9894662795
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50 | |
1c9894662795
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51 | #ifdef __cplusplus |
1c9894662795
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52 | extern "C" { |
1c9894662795
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53 | #endif |
1c9894662795
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54 | |
1c9894662795
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55 | typedef onewire_addr_t ds18x20_addr_t; |
1c9894662795
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56 | |
1c9894662795
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57 | /** An address value which can be used to indicate "any device on the bus" */ |
1c9894662795
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58 | #define DS18X20_ANY ONEWIRE_NONE |
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59 | |
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60 | /** Family ID (lower address byte) of DS18B20 sensors */ |
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61 | #define DS18B20_FAMILY_ID 0x28 |
1c9894662795
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62 | |
1c9894662795
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63 | /** Family ID (lower address byte) of DS18S20 sensors */ |
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64 | #define DS18S20_FAMILY_ID 0x10 |
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65 | |
1c9894662795
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66 | /** |
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67 | * @brief Find the addresses of all ds18x20 devices on the bus. |
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68 | * |
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69 | * Scans the bus for all devices and places their addresses in the supplied |
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70 | * array. If there are more than `addr_count` devices on the bus, only the |
1c9894662795
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71 | * first `addr_count` are recorded. |
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72 | * |
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73 | * @param pin The GPIO pin connected to the ds18x20 bus |
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74 | * @param addr_list A pointer to an array of ::ds18x20_addr_t values. |
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75 | * This will be populated with the addresses of the found |
1c9894662795
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76 | * devices. |
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77 | * @param addr_count Number of slots in the `addr_list` array. At most this |
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78 | * many addresses will be returned. |
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79 | * @param found The number of devices found. Note that this may be less |
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80 | * than, equal to, or more than `addr_count`, depending on |
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81 | * how many ds18x20 devices are attached to the bus. |
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82 | * |
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83 | * @returns `ESP_OK` if the command was successfully issued |
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84 | */ |
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85 | esp_err_t ds18x20_scan_devices(gpio_num_t pin, ds18x20_addr_t *addr_list, size_t addr_count, size_t *found); |
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86 | |
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87 | /** |
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88 | * @brief Tell one or more sensors to perform a temperature measurement and |
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89 | * conversion (CONVERT_T) operation. |
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90 | * |
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91 | * This operation can take up to 750ms to complete. |
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92 | * |
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93 | * If `wait=true`, this routine will automatically drive the pin high for the |
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94 | * necessary 750ms after issuing the command to ensure parasitically-powered |
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95 | * devices have enough power to perform the conversion operation (for |
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96 | * non-parasitically-powered devices, this is not necessary but does not |
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97 | * hurt). If `wait=false`, this routine will drive the pin high, but will |
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98 | * then return immediately. It is up to the caller to wait the requisite time |
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99 | * and then depower the bus using onewire_depower() or by issuing another |
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100 | * command once conversion is done. |
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101 | * |
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102 | * @param pin The GPIO pin connected to the ds18x20 device |
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103 | * @param addr The 64-bit address of the device on the bus. This can be set |
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104 | * to ::DS18X20_ANY to send the command to all devices on the bus |
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105 | * at the same time. |
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106 | * @param wait Whether to wait for the necessary 750ms for the ds18x20 to |
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107 | * finish performing the conversion before returning to the |
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108 | * caller (You will normally want to do this). |
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109 | * |
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110 | * @returns `ESP_OK` if the command was successfully issued |
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111 | */ |
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112 | esp_err_t ds18x20_measure(gpio_num_t pin, ds18x20_addr_t addr, bool wait); |
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113 | |
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114 | /** |
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115 | * @brief Read the value from the last CONVERT_T operation. |
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116 | * |
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117 | * This should be called after ds18x20_measure() to fetch the result of the |
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118 | * temperature measurement. |
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119 | * |
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120 | * @param pin The GPIO pin connected to the ds18x20 device |
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121 | * @param addr The 64-bit address of the device to read. This can be set |
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122 | * to ::DS18X20_ANY to read any device on the bus (but note |
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123 | * that this will only work if there is exactly one device |
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124 | * connected, or they will corrupt each others' transmissions) |
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125 | * @param temperature The temperature in degrees Celsius |
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126 | * |
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127 | * @returns `ESP_OK` if the command was successfully issued |
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128 | */ |
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129 | esp_err_t ds18x20_read_temperature(gpio_num_t pin, ds18x20_addr_t addr, float *temperature); |
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130 | |
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131 | /** |
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132 | * @brief Read the value from the last CONVERT_T operation (ds18b20 version). |
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133 | * |
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134 | * This should be called after ds18x20_measure() to fetch the result of the |
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135 | * temperature measurement. |
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136 | * |
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137 | * @param pin The GPIO pin connected to the ds18x20 device |
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138 | * @param addr The 64-bit address of the device to read. This can be set |
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139 | * to ::DS18X20_ANY to read any device on the bus (but note |
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140 | * that this will only work if there is exactly one device |
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141 | * connected, or they will corrupt each others' transmissions) |
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142 | * @param temperature The temperature in degrees Celsius |
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143 | * |
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144 | * @returns `ESP_OK` if the command was successfully issued |
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145 | */ |
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146 | esp_err_t ds18b20_read_temperature(gpio_num_t pin, ds18x20_addr_t addr, float *temperature); |
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147 | |
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148 | /** |
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149 | * @brief Read the value from the last CONVERT_T operation (ds18s20 version). |
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150 | * |
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151 | * This should be called after ds18x20_measure() to fetch the result of the |
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152 | * temperature measurement. |
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153 | * |
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154 | * @param pin The GPIO pin connected to the ds18x20 device |
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155 | * @param addr The 64-bit address of the device to read. This can be set |
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156 | * to ::DS18X20_ANY to read any device on the bus (but note |
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157 | * that this will only work if there is exactly one device |
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158 | * connected, or they will corrupt each others' transmissions) |
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159 | * @param temperature The temperature in degrees Celsius |
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160 | * |
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161 | * @returns `ESP_OK` if the command was successfully issued |
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162 | */ |
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163 | esp_err_t ds18s20_read_temperature(gpio_num_t pin, ds18x20_addr_t addr, float *temperature); |
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164 | |
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165 | /** |
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166 | * @brief Read the value from the last CONVERT_T operation for multiple devices. |
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167 | * |
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168 | * This should be called after ds18x20_measure() to fetch the result of the |
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169 | * temperature measurement. |
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170 | * |
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171 | * @param pin The GPIO pin connected to the ds18x20 bus |
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172 | * @param addr_list A list of addresses for devices to read. |
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173 | * @param addr_count The number of entries in `addr_list`. |
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174 | * @param result_list An array of floats to hold the returned temperature |
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175 | * values. It should have at least `addr_count` entries. |
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176 | * |
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177 | * @returns `ESP_OK` if all temperatures were fetched successfully |
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178 | */ |
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179 | esp_err_t ds18x20_read_temp_multi(gpio_num_t pin, ds18x20_addr_t *addr_list, size_t addr_count, float *result_list); |
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180 | |
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181 | /** Perform a ds18x20_measure() followed by ds18s20_read_temperature() |
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182 | * |
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183 | * @param pin The GPIO pin connected to the ds18s20 device |
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184 | * @param addr The 64-bit address of the device to read. This can be set |
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185 | * to ::DS18X20_ANY to read any device on the bus (but note |
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186 | * that this will only work if there is exactly one device |
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187 | * connected, or they will corrupt each others' transmissions) |
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188 | * @param temperature The temperature in degrees Celsius |
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189 | */ |
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190 | esp_err_t ds18s20_measure_and_read(gpio_num_t pin, ds18x20_addr_t addr, float *temperature); |
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191 | |
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192 | /** Perform a ds18x20_measure() followed by ds18b20_read_temperature() |
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193 | * |
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194 | * @param pin The GPIO pin connected to the ds18x20 device |
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195 | * @param addr The 64-bit address of the device to read. This can be set |
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196 | * to ::DS18X20_ANY to read any device on the bus (but note |
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197 | * that this will only work if there is exactly one device |
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198 | * connected, or they will corrupt each others' transmissions) |
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199 | * @param temperature The temperature in degrees Celsius |
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200 | */ |
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201 | esp_err_t ds18b20_measure_and_read(gpio_num_t pin, ds18x20_addr_t addr, float *temperature); |
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202 | |
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203 | /** Perform a ds18x20_measure() followed by ds18x20_read_temperature() |
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204 | * |
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205 | * @param pin The GPIO pin connected to the ds18x20 device |
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206 | * @param addr The 64-bit address of the device to read. This can be set |
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207 | * to ::DS18X20_ANY to read any device on the bus (but note |
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208 | * that this will only work if there is exactly one device |
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209 | * connected, or they will corrupt each others' transmissions) |
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210 | * @param temperature The temperature in degrees Celsius |
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211 | */ |
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212 | esp_err_t ds18x20_measure_and_read(gpio_num_t pin, ds18x20_addr_t addr, float *temperature); |
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213 | |
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214 | /** |
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215 | * @brief Perform a ds18x20_measure() followed by ds18x20_read_temp_multi() |
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216 | * |
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217 | * @param pin The GPIO pin connected to the ds18x20 bus |
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218 | * @param addr_list A list of addresses for devices to read. |
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219 | * @param addr_count The number of entries in `addr_list`. |
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220 | * @param result_list An array of floats to hold the returned temperature |
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221 | * values. It should have at least `addr_count` entries. |
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222 | * |
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223 | * @returns `ESP_OK` if all temperatures were fetched successfully |
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224 | */ |
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225 | esp_err_t ds18x20_measure_and_read_multi(gpio_num_t pin, ds18x20_addr_t *addr_list, size_t addr_count, float *result_list); |
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226 | |
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227 | /** |
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228 | * @brief Read the scratchpad data for a particular ds18x20 device. |
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229 | * |
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230 | * This is not generally necessary to do directly. It is done automatically |
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231 | * as part of ds18x20_read_temperature(). |
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232 | * |
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233 | * @param pin The GPIO pin connected to the ds18x20 device |
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234 | * @param addr The 64-bit address of the device to read. This can be set |
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235 | * to ::DS18X20_ANY to read any device on the bus (but note |
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236 | * that this will only work if there is exactly one device |
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237 | * connected, or they will corrupt each others' transmissions) |
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238 | * @param buffer An 8-byte buffer to hold the read data. |
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239 | * |
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240 | * @returns `ESP_OK` if the command was successfully issued |
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241 | */ |
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242 | esp_err_t ds18x20_read_scratchpad(gpio_num_t pin, ds18x20_addr_t addr, uint8_t *buffer); |
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243 | |
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244 | /** |
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245 | * @brief Write the scratchpad data for a particular ds18x20 device. |
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246 | * |
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247 | * @param pin The GPIO pin connected to the ds18x20 device |
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248 | * @param addr The 64-bit address of the device to write. This can be set |
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249 | * to ::DS18X20_ANY to read any device on the bus (but note |
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250 | * that this will only work if there is exactly one device |
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251 | * connected, or they will corrupt each others' transmissions) |
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252 | * @param buffer An 3-byte buffer to hold the data to write |
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253 | * |
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254 | * @returns `ESP_OK` if the command was successfully issued |
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255 | */ |
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256 | esp_err_t ds18x20_write_scratchpad(gpio_num_t pin, ds18x20_addr_t addr, uint8_t *buffer); |
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257 | |
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258 | /** |
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259 | * @brief Issue the copy scratchpad command, copying current scratchpad to |
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260 | * EEPROM. |
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261 | * |
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262 | * @param pin The GPIO pin connected to the ds18x20 device |
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263 | * @param addr The 64-bit address of the device to command. This can be set |
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264 | * to ::DS18X20_ANY to read any device on the bus (but note |
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265 | * that this will only work if there is exactly one device |
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266 | * connected, or they will corrupt each others' transmissions) |
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267 | * |
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268 | * @returns `ESP_OK` if the command was successfully issued |
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269 | */ |
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270 | esp_err_t ds18x20_copy_scratchpad(gpio_num_t pin, ds18x20_addr_t addr); |
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271 | |
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272 | |
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273 | #ifdef __cplusplus |
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274 | } |
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275 | #endif |
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276 | |
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277 | /**@}*/ |
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278 | |
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279 | #endif /* __DS18X20_H__ */ |