Fri, 07 Apr 2023 14:31:17 +0200
The esp-idf-lib apds9930 component is now working. In nvsio stop logging not updated values. Store gain and aglbit values in nvs.
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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>
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2 | * Copyright (c) 2017 Andrej Krutak <dev@andree.sk> |
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 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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parents:
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4 | * |
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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5 | * Redistribution and use in source and binary forms, with or without |
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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6 | * 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.
Michiel Broek <mbroek@mbse.eu>
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7 | * |
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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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.
Michiel Broek <mbroek@mbse.eu>
parents:
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9 | * this list of conditions and the following disclaimer. |
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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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.
Michiel Broek <mbroek@mbse.eu>
parents:
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11 | * 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.
Michiel Broek <mbroek@mbse.eu>
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12 | * and/or other materials provided with the distribution. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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13 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
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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14 | * 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.
Michiel Broek <mbroek@mbse.eu>
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15 | * specific prior written permission. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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16 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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18 | * 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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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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20 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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22 | * 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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23 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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24 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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 | /** |
1c9894662795
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30 | * @file bh1750.c |
1c9894662795
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31 | * |
1c9894662795
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32 | * @ingroup bh1750 ESP-IDF driver for BH1750 light sensor |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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33 | * |
1c9894662795
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34 | * ESP-IDF driver for BH1750 light sensor |
1c9894662795
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35 | * |
1c9894662795
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36 | * Datasheet: ROHM Semiconductor bh1750fvi-e.pdf |
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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37 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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38 | * Ported from esp-open-rtos |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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 | * Copyright (c) 2017 Andrej Krutak <dev@andree.sk>\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 | #include <stdio.h> |
1c9894662795
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46 | #include <freertos/FreeRTOS.h> |
1c9894662795
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47 | #include <esp_log.h> |
1c9894662795
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48 | #include <esp_idf_lib_helpers.h> |
1c9894662795
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49 | #include "bh1750.h" |
1c9894662795
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50 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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51 | |
1c9894662795
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52 | #define OPCODE_HIGH 0x0 |
1c9894662795
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53 | #define OPCODE_HIGH2 0x1 |
1c9894662795
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54 | #define OPCODE_LOW 0x3 |
1c9894662795
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55 | |
1c9894662795
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56 | #define OPCODE_CONT 0x10 |
1c9894662795
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57 | #define OPCODE_OT 0x20 |
1c9894662795
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58 | |
1c9894662795
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59 | #define OPCODE_POWER_DOWN 0x00 |
1c9894662795
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60 | #define OPCODE_POWER_ON 0x01 |
1c9894662795
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61 | #define OPCODE_MT_HI 0x40 |
1c9894662795
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62 | #define OPCODE_MT_LO 0x60 |
1c9894662795
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63 | |
1c9894662795
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64 | #define I2C_FREQ_HZ 400000 |
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65 | |
1c9894662795
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66 | static const char *TAG = "bh1750"; |
1c9894662795
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67 | |
1c9894662795
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68 | #define CHECK(x) do { esp_err_t __; if ((__ = x) != ESP_OK) return __; } while (0) |
1c9894662795
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69 | #define CHECK_ARG(VAL) do { if (!(VAL)) return ESP_ERR_INVALID_ARG; } while (0) |
1c9894662795
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70 | |
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71 | inline static esp_err_t send_command_nolock(i2c_dev_t *dev, uint8_t cmd) |
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72 | { |
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73 | return i2c_dev_write(dev, NULL, 0, &cmd, 1); |
1c9894662795
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74 | } |
1c9894662795
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75 | |
1c9894662795
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76 | static esp_err_t send_command(i2c_dev_t *dev, uint8_t cmd) |
1c9894662795
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77 | { |
1c9894662795
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78 | I2C_DEV_TAKE_MUTEX(dev); |
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79 | I2C_DEV_CHECK(dev, send_command_nolock(dev, cmd)); |
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80 | I2C_DEV_GIVE_MUTEX(dev); |
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81 | |
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82 | return ESP_OK; |
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83 | } |
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84 | |
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85 | 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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86 | { |
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87 | CHECK_ARG(dev); |
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88 | |
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89 | if (addr != BH1750_ADDR_LO && addr != BH1750_ADDR_HI) |
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90 | { |
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91 | ESP_LOGE(TAG, "Invalid I2C address"); |
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92 | return ESP_ERR_INVALID_ARG; |
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93 | } |
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94 | |
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95 | dev->port = port; |
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96 | dev->addr = addr; |
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97 | dev->cfg.sda_io_num = sda_gpio; |
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98 | dev->cfg.scl_io_num = scl_gpio; |
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99 | #if HELPER_TARGET_IS_ESP32 |
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100 | dev->cfg.master.clk_speed = I2C_FREQ_HZ; |
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101 | #endif |
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102 | return i2c_dev_create_mutex(dev); |
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103 | } |
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104 | |
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105 | esp_err_t bh1750_free_desc(i2c_dev_t *dev) |
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106 | { |
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107 | CHECK_ARG(dev); |
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108 | |
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109 | return i2c_dev_delete_mutex(dev); |
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110 | } |
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111 | |
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112 | esp_err_t bh1750_power_down(i2c_dev_t *dev) |
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113 | { |
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114 | CHECK_ARG(dev); |
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115 | |
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116 | return send_command(dev, OPCODE_POWER_DOWN); |
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117 | } |
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118 | |
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119 | esp_err_t bh1750_power_on(i2c_dev_t *dev) |
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120 | { |
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121 | CHECK_ARG(dev); |
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122 | |
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123 | return send_command(dev, OPCODE_POWER_ON); |
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124 | } |
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125 | |
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126 | esp_err_t bh1750_setup(i2c_dev_t *dev, bh1750_mode_t mode, bh1750_resolution_t resolution) |
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127 | { |
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128 | CHECK_ARG(dev); |
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129 | |
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130 | uint8_t opcode = mode == BH1750_MODE_CONTINUOUS ? OPCODE_CONT : OPCODE_OT; |
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131 | switch (resolution) |
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132 | { |
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133 | case BH1750_RES_LOW: opcode |= OPCODE_LOW; break; |
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134 | case BH1750_RES_HIGH: opcode |= OPCODE_HIGH; break; |
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135 | default: opcode |= OPCODE_HIGH2; break; |
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136 | } |
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137 | |
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138 | CHECK(send_command(dev, opcode)); |
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139 | |
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140 | ESP_LOGD(TAG, "bh1750_setup(PORT = %d, ADDR = 0x%02x, VAL = 0x%02x)", dev->port, dev->addr, opcode); |
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141 | |
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142 | return ESP_OK; |
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143 | } |
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144 | |
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145 | esp_err_t bh1750_set_measurement_time(i2c_dev_t *dev, uint8_t time) |
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146 | { |
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147 | CHECK_ARG(dev); |
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148 | |
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149 | I2C_DEV_TAKE_MUTEX(dev); |
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150 | I2C_DEV_CHECK(dev, send_command_nolock(dev, OPCODE_MT_HI | (time >> 5))); |
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151 | I2C_DEV_CHECK(dev, send_command_nolock(dev, OPCODE_MT_LO | (time & 0x1f))); |
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152 | I2C_DEV_GIVE_MUTEX(dev); |
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153 | |
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154 | return ESP_OK; |
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155 | } |
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156 | |
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157 | esp_err_t bh1750_read(i2c_dev_t *dev, uint16_t *level) |
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158 | { |
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159 | CHECK_ARG(dev && level); |
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160 | |
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161 | uint8_t buf[2]; |
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162 | |
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163 | I2C_DEV_TAKE_MUTEX(dev); |
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164 | I2C_DEV_CHECK(dev, i2c_dev_read(dev, NULL, 0, buf, 2)); |
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165 | I2C_DEV_GIVE_MUTEX(dev); |
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166 | |
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167 | *level = buf[0] << 8 | buf[1]; |
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168 | *level = (*level * 10) / 12; // convert to LUX |
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169 | |
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170 | return ESP_OK; |
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171 | } |