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
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2 | * The MIT License (MIT) |
1c9894662795
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3 | * |
1c9894662795
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4 | * Copyright (c) 2015 Richard A Burton <richardaburton@gmail.com> |
1c9894662795
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5 | * Copyright (c) 2016 Bhuvanchandra DV <bhuvanchandra.dv@gmail.com> |
1c9894662795
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6 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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7 | * |
1c9894662795
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8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
1c9894662795
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9 | * of this software and associated documentation files (the "Software"), to deal |
1c9894662795
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10 | * in the Software without restriction, including without limitation the rights |
1c9894662795
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11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
1c9894662795
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12 | * copies of the Software, and to permit persons to whom the Software is |
1c9894662795
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13 | * furnished to do so, subject to the following conditions: |
1c9894662795
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14 | * 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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15 | * copies or substantial portions of the Software. |
1c9894662795
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16 | * |
1c9894662795
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
1c9894662795
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18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
1c9894662795
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19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
1c9894662795
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20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
1c9894662795
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21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
1c9894662795
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22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
1c9894662795
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23 | * SOFTWARE. |
1c9894662795
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24 | */ |
1c9894662795
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25 | |
1c9894662795
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26 | /** |
1c9894662795
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27 | * @file ds3231.h |
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28 | * @defgroup ds3231 ds3231 |
1c9894662795
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29 | * @{ |
1c9894662795
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30 | * |
1c9894662795
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31 | * ESP-IDF driver for DS337 RTC and DS3231 high precision RTC module |
1c9894662795
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32 | * |
1c9894662795
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33 | * Ported from esp-open-rtos |
1c9894662795
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34 | * |
1c9894662795
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35 | * Copyright (c) 2015 Richard A Burton <richardaburton@gmail.com>\n |
1c9894662795
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36 | * Copyright (c) 2016 Bhuvanchandra DV <bhuvanchandra.dv@gmail.com>\n |
1c9894662795
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37 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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38 | * |
1c9894662795
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39 | * MIT Licensed as described in the file LICENSE |
1c9894662795
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40 | */ |
1c9894662795
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41 | #ifndef __DS3231_H__ |
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42 | #define __DS3231_H__ |
1c9894662795
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43 | |
1c9894662795
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44 | #include <time.h> |
1c9894662795
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45 | #include <stdbool.h> |
1c9894662795
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46 | #include <i2cdev.h> |
1c9894662795
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47 | #include <esp_err.h> |
1c9894662795
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48 | |
1c9894662795
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49 | #ifdef __cplusplus |
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50 | extern "C" { |
1c9894662795
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51 | #endif |
1c9894662795
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52 | |
1c9894662795
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53 | #define DS3231_ADDR 0x68 //!< I2C address |
1c9894662795
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54 | |
1c9894662795
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55 | /** |
1c9894662795
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56 | * Alarms |
1c9894662795
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57 | */ |
1c9894662795
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58 | typedef enum { |
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59 | DS3231_ALARM_NONE = 0,//!< No alarms |
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60 | DS3231_ALARM_1, //!< First alarm |
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61 | DS3231_ALARM_2, //!< Second alarm |
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62 | DS3231_ALARM_BOTH //!< Both alarms |
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63 | } ds3231_alarm_t; |
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64 | |
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65 | /** |
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66 | * First alarm rate |
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67 | */ |
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68 | typedef enum { |
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69 | DS3231_ALARM1_EVERY_SECOND = 0, |
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70 | DS3231_ALARM1_MATCH_SEC, |
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71 | DS3231_ALARM1_MATCH_SECMIN, |
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72 | DS3231_ALARM1_MATCH_SECMINHOUR, |
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73 | DS3231_ALARM1_MATCH_SECMINHOURDAY, |
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74 | DS3231_ALARM1_MATCH_SECMINHOURDATE |
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75 | } ds3231_alarm1_rate_t; |
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76 | |
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77 | /** |
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78 | * Second alarm rate |
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79 | */ |
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80 | typedef enum { |
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81 | DS3231_ALARM2_EVERY_MIN = 0, |
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82 | DS3231_ALARM2_MATCH_MIN, |
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83 | DS3231_ALARM2_MATCH_MINHOUR, |
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84 | DS3231_ALARM2_MATCH_MINHOURDAY, |
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85 | DS3231_ALARM2_MATCH_MINHOURDATE |
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86 | } ds3231_alarm2_rate_t; |
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87 | |
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88 | /** |
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89 | * Squarewave frequency |
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90 | */ |
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91 | typedef enum { |
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92 | DS3231_SQWAVE_1HZ = 0x00, |
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93 | DS3231_SQWAVE_1024HZ = 0x08, |
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94 | DS3231_SQWAVE_4096HZ = 0x10, |
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95 | DS3231_SQWAVE_8192HZ = 0x18 |
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96 | } ds3231_sqwave_freq_t; |
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97 | |
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98 | /** |
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99 | * @brief Initialize device descriptor |
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100 | * |
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101 | * @param dev I2C device descriptor |
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102 | * @param port I2C port |
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103 | * @param sda_gpio SDA GPIO |
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104 | * @param scl_gpio SCL GPIO |
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105 | * @return ESP_OK to indicate success |
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106 | */ |
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107 | esp_err_t ds3231_init_desc(i2c_dev_t *dev, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio); |
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108 | |
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109 | /** |
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110 | * @brief Free device descriptor |
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111 | * |
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112 | * @param dev I2C device descriptor |
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113 | * @return ESP_OK to indicate success |
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114 | */ |
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115 | esp_err_t ds3231_free_desc(i2c_dev_t *dev); |
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116 | |
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117 | /** |
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118 | * @brief Set the time on the RTC |
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119 | * |
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120 | * Timezone agnostic, pass whatever you like. |
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121 | * I suggest using GMT and applying timezone and DST when read back. |
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122 | * |
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123 | * @return ESP_OK to indicate success |
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124 | */ |
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125 | esp_err_t ds3231_set_time(i2c_dev_t *dev, struct tm *time); |
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126 | |
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127 | /** |
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128 | * @brief Get the time from the RTC, populates a supplied tm struct |
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129 | * |
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130 | * @param dev Device descriptor |
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131 | * @param[out] time RTC time |
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132 | * @return ESP_OK to indicate success |
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133 | */ |
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134 | esp_err_t ds3231_get_time(i2c_dev_t *dev, struct tm *time); |
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135 | |
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136 | /** |
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137 | * @brief Set alarms |
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138 | * |
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139 | * `alarm1` works with seconds, minutes, hours and day of week/month, or fires every second. |
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140 | * `alarm2` works with minutes, hours and day of week/month, or fires every minute. |
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141 | * |
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142 | * Not all combinations are supported, see `DS3231_ALARM1_*` and `DS3231_ALARM2_*` defines |
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143 | * for valid options you only need to populate the fields you are using in the `tm` struct, |
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144 | * and you can set both alarms at the same time (pass `DS3231_ALARM_1`/`DS3231_ALARM_2`/`DS3231_ALARM_BOTH`). |
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145 | * |
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146 | * If only setting one alarm just pass 0 for `tm` struct and `option` field for the other alarm. |
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147 | * If using ::DS3231_ALARM1_EVERY_SECOND/::DS3231_ALARM2_EVERY_MIN you can pass 0 for `tm` struct. |
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148 | * |
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149 | * If you want to enable interrupts for the alarms you need to do that separately. |
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150 | * |
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151 | * @return ESP_OK to indicate success |
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152 | */ |
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153 | esp_err_t ds3231_set_alarm(i2c_dev_t *dev, ds3231_alarm_t alarms, struct tm *time1, |
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154 | ds3231_alarm1_rate_t option1, struct tm *time2, ds3231_alarm2_rate_t option2); |
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155 | |
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156 | /** |
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157 | * @brief Check if oscillator has previously stopped |
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158 | * |
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159 | * E.g. no power/battery or disabled |
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160 | * sets flag to true if there has been a stop |
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161 | * |
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162 | * @param dev Device descriptor |
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163 | * @param[out] flag Stop flag |
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164 | * @return ESP_OK to indicate success |
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165 | */ |
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166 | esp_err_t ds3231_get_oscillator_stop_flag(i2c_dev_t *dev, bool *flag); |
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167 | |
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168 | /** |
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169 | * @brief Clear the oscillator stopped flag |
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170 | * |
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171 | * @param dev Device descriptor |
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172 | * @return ESP_OK to indicate success |
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173 | */ |
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174 | esp_err_t ds3231_clear_oscillator_stop_flag(i2c_dev_t *dev); |
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175 | |
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176 | /** |
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177 | * @brief Check which alarm(s) have past |
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178 | * |
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179 | * Sets alarms to `DS3231_ALARM_NONE`/`DS3231_ALARM_1`/`DS3231_ALARM_2`/`DS3231_ALARM_BOTH` |
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180 | * |
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181 | * @param dev Device descriptor |
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182 | * @param[out] alarms Alarms |
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183 | * @return ESP_OK to indicate success |
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184 | */ |
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185 | esp_err_t ds3231_get_alarm_flags(i2c_dev_t *dev, ds3231_alarm_t *alarms); |
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186 | |
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187 | /** |
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188 | * @brief Clear alarm past flag(s) |
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189 | * |
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190 | * Pass `DS3231_ALARM_1`/`DS3231_ALARM_2`/`DS3231_ALARM_BOTH` |
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191 | * |
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192 | * @param dev Device descriptor |
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193 | * @param alarms Alarms |
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194 | * @return ESP_OK to indicate success |
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195 | */ |
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196 | esp_err_t ds3231_clear_alarm_flags(i2c_dev_t *dev, ds3231_alarm_t alarms); |
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197 | |
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198 | /** |
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199 | * @brief enable alarm interrupts (and disables squarewave) |
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200 | * |
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201 | * Pass `DS3231_ALARM_1`/`DS3231_ALARM_2`/`DS3231_ALARM_BOTH`. |
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202 | * |
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203 | * If you set only one alarm the status of the other is not changed |
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204 | * you must also clear any alarm past flag(s) for alarms with |
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205 | * interrupt enabled, else it will trigger immediately. |
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206 | * |
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207 | * @param dev Device descriptor |
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208 | * @param alarms Alarms |
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209 | * @return ESP_OK to indicate success |
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210 | */ |
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211 | esp_err_t ds3231_enable_alarm_ints(i2c_dev_t *dev, ds3231_alarm_t alarms); |
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212 | |
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213 | /** |
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214 | * @brief Disable alarm interrupts |
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215 | * |
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216 | * Does not (re-)enable squarewave |
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217 | * |
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218 | * @param dev Device descriptor |
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219 | * @param alarms Alarm |
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220 | * @return ESP_OK to indicate success |
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221 | */ |
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222 | esp_err_t ds3231_disable_alarm_ints(i2c_dev_t *dev, ds3231_alarm_t alarms); |
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223 | |
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224 | /** |
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225 | * @brief Enable the output of 32khz signal |
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226 | * |
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227 | * **Supported only by DS3231** |
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228 | * |
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229 | * @param dev Device descriptor |
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230 | * @return ESP_OK to indicate success |
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231 | */ |
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232 | esp_err_t ds3231_enable_32khz(i2c_dev_t *dev); |
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233 | |
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234 | /** |
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235 | * @brief Disable the output of 32khz signal |
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236 | * |
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237 | * **Supported only by DS3231** |
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238 | * |
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239 | * @param dev Device descriptor |
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240 | * @return ESP_OK to indicate success |
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241 | */ |
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242 | esp_err_t ds3231_disable_32khz(i2c_dev_t *dev); |
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243 | |
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244 | /** |
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245 | * @brief Enable the squarewave output |
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246 | * |
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247 | * Disables alarm interrupt functionality. |
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248 | * |
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249 | * @param dev Device descriptor |
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250 | * @return ESP_OK to indicate success |
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251 | */ |
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252 | esp_err_t ds3231_enable_squarewave(i2c_dev_t *dev); |
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253 | |
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254 | /** |
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255 | * @brief Disable the squarewave output |
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256 | * |
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257 | * Which re-enables alarm interrupts, but individual alarm interrupts also |
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258 | * need to be enabled, if not already, before they will trigger. |
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259 | * |
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260 | * @param dev Device descriptor |
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261 | * @return ESP_OK to indicate success |
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262 | */ |
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263 | esp_err_t ds3231_disable_squarewave(i2c_dev_t *dev); |
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264 | |
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265 | /** |
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266 | * @brief Set the frequency of the squarewave output |
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267 | * |
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268 | * Does not enable squarewave output. |
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269 | * |
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270 | * @param dev Device descriptor |
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271 | * @param freq Squarewave frequency |
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272 | * @return ESP_OK to indicate success |
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273 | */ |
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274 | esp_err_t ds3231_set_squarewave_freq(i2c_dev_t *dev, ds3231_sqwave_freq_t freq); |
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275 | |
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276 | /** |
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277 | * @brief Get the frequency of the squarewave output |
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278 | * |
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279 | * Does not enable squarewave output. |
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280 | * |
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281 | * @param dev Device descriptor |
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282 | * @param freq Squarewave frequency to store the output |
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283 | * @return ESP_OK to indicate success |
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284 | */ |
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285 | esp_err_t ds3231_get_squarewave_freq(i2c_dev_t *dev, ds3231_sqwave_freq_t* freq); |
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286 | |
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287 | /** |
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288 | * @brief Get the raw temperature value |
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289 | * |
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290 | * **Supported only by DS3231** |
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291 | * |
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292 | * @param dev Device descriptor |
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293 | * @param[out] temp Raw temperature value |
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294 | * @return ESP_OK to indicate success |
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295 | */ |
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296 | esp_err_t ds3231_get_raw_temp(i2c_dev_t *dev, int16_t *temp); |
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297 | |
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298 | /** |
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299 | * @brief Get the temperature as an integer |
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300 | * |
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301 | * **Supported only by DS3231** |
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302 | * |
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303 | * @param dev Device descriptor |
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304 | * @param[out] temp Temperature, degrees Celsius |
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305 | * @return ESP_OK to indicate success |
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306 | */ |
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307 | esp_err_t ds3231_get_temp_integer(i2c_dev_t *dev, int8_t *temp); |
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308 | |
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309 | /** |
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310 | * @brief Get the temperature as a float |
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311 | * |
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312 | * **Supported only by DS3231** |
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313 | * |
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314 | * @param dev Device descriptor |
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315 | * @param[out] temp Temperature, degrees Celsius |
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316 | * @return ESP_OK to indicate success |
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317 | */ |
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318 | esp_err_t ds3231_get_temp_float(i2c_dev_t *dev, float *temp); |
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319 | |
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320 | |
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321 | /** |
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322 | * @brief Set the aging offset register to a new value. |
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323 | * |
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324 | * Positive aging values add capacitance to the array, |
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325 | * slowing the oscillator frequency. Negative values remove |
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326 | * capacitance from the array, increasing the oscillator |
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327 | * frequency. |
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328 | * |
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329 | * **Supported only by DS3231** |
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330 | * |
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331 | * @param dev Device descriptor |
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332 | * @param age Aging offset (in range [-128, 127]) to be set |
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333 | * @return ESP_OK to indicate success |
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334 | */ |
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335 | esp_err_t ds3231_set_aging_offset(i2c_dev_t *dev, int8_t age); |
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336 | |
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337 | |
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338 | /** |
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339 | * @brief Get the aging offset register. |
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340 | * |
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341 | * **Supported only by DS3231** |
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342 | * |
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343 | * @param dev Device descriptor |
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344 | * @param[out] age Aging offset in range [-128, 127] |
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345 | * @return ESP_OK to indicate success |
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346 | */ |
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347 | esp_err_t ds3231_get_aging_offset(i2c_dev_t *dev, int8_t *age); |
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348 | |
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349 | |
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350 | #ifdef __cplusplus |
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351 | } |
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352 | #endif |
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353 | |
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354 | /**@}*/ |
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355 | |
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356 | #endif /* __DS3231_H__ */ |