Mon, 03 Apr 2023 20:11:29 +0200
Changed voltage range to 32 volt. Tried INA219 powersave mode, doesn't work.
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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) 2017 Andrej Krutak <dev@andree.sk> |
1c9894662795
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3 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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4 | * |
1c9894662795
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5 | * Redistribution and use in source and binary forms, with or without |
1c9894662795
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6 | * modification, are permitted provided that the following conditions are met: |
1c9894662795
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7 | * |
1c9894662795
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8 | * 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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9 | * this list of conditions and the following disclaimer. |
1c9894662795
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10 | * 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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11 | * this list of conditions and the following disclaimer in the documentation |
1c9894662795
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12 | * and/or other materials provided with the distribution. |
1c9894662795
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13 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
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14 | * may be used to endorse or promote products derived from this software without |
1c9894662795
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15 | * specific prior written permission. |
1c9894662795
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16 | * |
1c9894662795
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17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
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18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
1c9894662795
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
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20 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
1c9894662795
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23 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
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24 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
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25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
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26 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
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27 | */ |
1c9894662795
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28 | |
1c9894662795
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29 | /** |
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30 | * @file bh1750.h |
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31 | * |
1c9894662795
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32 | * @defgroup bh1750 bh1750 |
1c9894662795
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33 | * @{ |
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34 | * |
1c9894662795
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35 | * ESP-IDF driver for BH1750 light sensor |
1c9894662795
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36 | * |
1c9894662795
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37 | * Datasheet: ROHM Semiconductor bh1750fvi-e.pdf |
1c9894662795
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38 | * |
1c9894662795
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39 | * Ported from esp-open-rtos |
1c9894662795
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40 | * |
1c9894662795
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41 | * Copyright (c) 2017 Andrej Krutak <dev@andree.sk>\n |
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42 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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43 | * |
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44 | * BSD Licensed as described in the file LICENSE |
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45 | */ |
1c9894662795
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46 | #ifndef __BH1750_H__ |
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47 | #define __BH1750_H__ |
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48 | |
1c9894662795
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49 | #include <stdint.h> |
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50 | #include <i2cdev.h> |
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51 | #include <esp_err.h> |
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52 | |
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53 | #ifdef __cplusplus |
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54 | extern "C" { |
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55 | #endif |
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56 | |
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57 | #define BH1750_ADDR_LO 0x23 //!< I2C address when ADDR pin floating/low |
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58 | #define BH1750_ADDR_HI 0x5c //!< I2C address when ADDR pin high |
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59 | |
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60 | /** |
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61 | * Measurement mode |
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62 | */ |
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63 | typedef enum |
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64 | { |
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65 | BH1750_MODE_ONE_TIME = 0, //!< One time measurement |
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66 | BH1750_MODE_CONTINUOUS //!< Continuous measurement |
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67 | } bh1750_mode_t; |
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68 | |
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69 | /** |
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70 | * Measurement resolution |
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71 | */ |
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72 | typedef enum |
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73 | { |
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74 | BH1750_RES_LOW = 0, //!< 4 lx resolution, measurement time is usually 16 ms |
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75 | BH1750_RES_HIGH, //!< 1 lx resolution, measurement time is usually 120 ms |
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76 | BH1750_RES_HIGH2 //!< 0.5 lx resolution, measurement time is usually 120 ms |
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77 | } bh1750_resolution_t; |
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78 | |
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79 | /** |
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80 | * @brief Initialize device descriptor |
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81 | * |
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82 | * @param[out] dev Device descriptor |
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83 | * @param[in] addr I2C address, ::BH1750_ADDR_LO or ::BH1750_ADDR_HI |
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84 | * @param[in] port I2C port number |
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85 | * @param[in] sda_gpio GPIO pin number for SDA |
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86 | * @param[in] scl_gpio GPIO pin number for SCL |
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87 | * @return `ESP_OK` on success |
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88 | */ |
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89 | esp_err_t bh1750_init_desc(i2c_dev_t *dev, uint8_t addr, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio); |
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90 | |
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91 | /** |
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92 | * @brief Free device descriptor |
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93 | * |
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94 | * @param dev Pointer to device descriptor |
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95 | * @return `ESP_OK` on success |
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96 | */ |
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97 | esp_err_t bh1750_free_desc(i2c_dev_t *dev); |
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98 | |
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99 | /** |
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100 | * @brief Power down device |
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101 | * |
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102 | * @param dev Pointer to device descriptor |
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103 | * @return `ESP_OK` on success |
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104 | */ |
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105 | esp_err_t bh1750_power_down(i2c_dev_t *dev); |
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106 | |
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107 | /** |
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108 | * @brief Power on device |
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109 | * |
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110 | * @param dev Pointer to device descriptor |
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111 | * @return `ESP_OK` on success |
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112 | */ |
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113 | esp_err_t bh1750_power_on(i2c_dev_t *dev); |
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114 | |
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115 | /** |
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116 | * @brief Setup device parameters |
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117 | * |
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118 | * @param dev Pointer to device descriptor |
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119 | * @param mode Measurement mode |
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120 | * @param resolution Measurement resolution |
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121 | * @return `ESP_OK` on success |
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122 | */ |
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123 | esp_err_t bh1750_setup(i2c_dev_t *dev, bh1750_mode_t mode, bh1750_resolution_t resolution); |
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124 | |
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125 | /** |
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126 | * @brief Set measurement time |
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127 | * |
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128 | * @param dev Pointer to device descriptor |
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129 | * @param time Measurement time (see datasheet) |
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130 | * @return `ESP_OK` on success |
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131 | */ |
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132 | esp_err_t bh1750_set_measurement_time(i2c_dev_t *dev, uint8_t time); |
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133 | |
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134 | /** |
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135 | * @brief Read LUX value from the device. |
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136 | * |
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137 | * @param dev Pointer to device descriptor |
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138 | * @param[out] level read value in lux units |
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139 | * @return `ESP_OK` on success |
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140 | */ |
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141 | esp_err_t bh1750_read(i2c_dev_t *dev, uint16_t *level); |
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142 | |
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143 | #ifdef __cplusplus |
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144 | } |
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145 | #endif |
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146 | |
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147 | /**@}*/ |
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148 | |
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149 | #endif /* __BH1750_H__ */ |