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 | * Copyright (c) 2019 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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3 | * |
1c9894662795
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4 | * Redistribution and use in source and binary forms, with or without |
1c9894662795
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5 | * modification, are permitted provided that the following conditions are met: |
1c9894662795
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6 | * |
1c9894662795
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7 | * 1. Redistributions of source code must retain the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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8 | * this list of conditions and the following disclaimer. |
1c9894662795
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9 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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10 | * this list of conditions and the following disclaimer in the documentation |
1c9894662795
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11 | * and/or other materials provided with the distribution. |
1c9894662795
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12 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
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13 | * may be used to endorse or promote products derived from this software without |
1c9894662795
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14 | * specific prior written permission. |
1c9894662795
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15 | * |
1c9894662795
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
1c9894662795
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
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19 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
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20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
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21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
1c9894662795
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22 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
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23 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
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24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
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25 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
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26 | */ |
1c9894662795
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27 | |
1c9894662795
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28 | /** |
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29 | * @file hx711.h |
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30 | * @defgroup hx711 hx711 |
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31 | * @{ |
1c9894662795
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32 | * |
1c9894662795
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33 | * ESP-IDF driver for HX711 24-bit ADC for weigh scales |
1c9894662795
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34 | * |
1c9894662795
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35 | * Copyright (c) 2019 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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36 | * |
1c9894662795
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37 | * BSD Licensed as described in the file LICENSE |
1c9894662795
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38 | */ |
1c9894662795
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39 | #ifndef __HX711_H__ |
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40 | #define __HX711_H__ |
1c9894662795
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41 | |
1c9894662795
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42 | #include <driver/gpio.h> |
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43 | #include <stdbool.h> |
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44 | #include <esp_err.h> |
1c9894662795
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45 | |
1c9894662795
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46 | #ifdef __cplusplus |
1c9894662795
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47 | extern "C" { |
1c9894662795
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48 | #endif |
1c9894662795
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49 | |
1c9894662795
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50 | /** |
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51 | * Gain/channel |
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52 | */ |
1c9894662795
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53 | typedef enum { |
1c9894662795
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54 | HX711_GAIN_A_128 = 0, //!< Channel A, gain factor 128 |
1c9894662795
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55 | HX711_GAIN_B_32, //!< Channel B, gain factor 32 |
1c9894662795
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56 | HX711_GAIN_A_64 //!< Channel A, gain factor 64 |
1c9894662795
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57 | } hx711_gain_t; |
1c9894662795
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58 | |
1c9894662795
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59 | /** |
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60 | * Device descriptor |
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61 | */ |
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62 | typedef struct |
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63 | { |
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64 | gpio_num_t dout; |
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65 | gpio_num_t pd_sck; |
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66 | hx711_gain_t gain; |
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67 | } hx711_t; |
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68 | |
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69 | /** |
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70 | * @brief Initialize device |
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71 | * |
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72 | * Prepare GPIO pins, power up device and set gain |
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73 | * |
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74 | * @param dev Device descriptor |
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75 | * @return `ESP_OK` on success, `ESP_ERR_TIMEOUT` if device not found |
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76 | */ |
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77 | esp_err_t hx711_init(hx711_t *dev); |
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78 | |
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79 | /** |
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80 | * @brief Set device power up/down |
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81 | * |
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82 | * @param dev Device descriptor |
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83 | * @param down Set device power down if true, power up otherwise |
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84 | * @return `ESP_OK` on success |
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85 | */ |
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86 | esp_err_t hx711_power_down(hx711_t *dev, bool down); |
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87 | |
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88 | /** |
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89 | * @brief Set device gain and channel |
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90 | * |
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91 | * @param dev Device descriptor |
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92 | * @param gain Gain + channel value |
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93 | * @return `ESP_OK` on success, `ESP_ERR_TIMEOUT` if device not found |
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94 | */ |
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95 | esp_err_t hx711_set_gain(hx711_t *dev, hx711_gain_t gain); |
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96 | |
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97 | /** |
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98 | * @brief Check if device ready to send data |
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99 | * |
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100 | * @param dev Device descriptor |
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101 | * @param[out] ready true if data ready |
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102 | * @return `ESP_OK` on success |
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103 | */ |
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104 | esp_err_t hx711_is_ready(hx711_t *dev, bool *ready); |
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105 | |
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106 | /** |
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107 | * @brief Wait for device to become ready |
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108 | * |
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109 | * @param dev Device descriptor |
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110 | * @param timeout_ms Maximum time to wait, milliseconds |
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111 | * @return `ESP_OK` on success |
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112 | */ |
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113 | esp_err_t hx711_wait(hx711_t *dev, size_t timeout_ms); |
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114 | |
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115 | /** |
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116 | * @brief Read raw data from device. |
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117 | * |
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118 | * Please call this function only when device is ready, |
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119 | * otherwise communication errors may occur |
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120 | * |
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121 | * @param dev Device descriptor |
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122 | * @param[out] data Raw ADC data |
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123 | * @return `ESP_OK` on success |
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124 | */ |
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125 | esp_err_t hx711_read_data(hx711_t *dev, int32_t *data); |
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126 | |
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127 | /** |
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128 | * @brief Read average data |
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129 | * |
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130 | * @param dev Device descriptor |
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131 | * @param times Count of samples to read |
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132 | * @param[out] data Average ADC data |
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133 | * @return `ESP_OK` on success |
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134 | */ |
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135 | esp_err_t hx711_read_average(hx711_t *dev, size_t times, int32_t *data); |
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136 | |
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137 | #ifdef __cplusplus |
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138 | } |
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139 | #endif |
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140 | |
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141 | /**@}*/ |
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142 | |
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143 | #endif /* __HX711_H__ */ |