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) 2017 Brian Schwind <https://github.com/bschwind> |
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) 2019 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.
Michiel Broek <mbroek@mbse.eu>
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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.
Michiel Broek <mbroek@mbse.eu>
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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
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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
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
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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
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
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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 | /** |
1c9894662795
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30 | * @file tsl4531.c |
1c9894662795
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31 | * |
1c9894662795
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32 | * ESP-IDF driver for digital ambient light sensor TSL4531 |
1c9894662795
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33 | * |
1c9894662795
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34 | * Ported from esp-open-rtos |
1c9894662795
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35 | * |
1c9894662795
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36 | * Copyright (c) 2017 Brian Schwind <https://github.com/bschwind>\n |
1c9894662795
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37 | * Copyright (c) 2019 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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38 | * |
1c9894662795
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39 | * BSD Licensed as described in the file LICENSE |
1c9894662795
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40 | */ |
1c9894662795
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41 | |
1c9894662795
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42 | #include <esp_log.h> |
1c9894662795
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43 | #include <freertos/FreeRTOS.h> |
1c9894662795
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44 | #include <freertos/task.h> |
1c9894662795
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45 | #include <esp_idf_lib_helpers.h> |
1c9894662795
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46 | #include "tsl4531.h" |
1c9894662795
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47 | |
1c9894662795
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48 | #define I2C_FREQ_HZ 400000 |
1c9894662795
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49 | |
1c9894662795
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50 | static const char *TAG = "tsl4531"; |
1c9894662795
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51 | |
1c9894662795
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52 | // Registers |
1c9894662795
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53 | #define TSL4531_REG_COMMAND 0x80 |
1c9894662795
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54 | #define TSL4531_REG_CONTROL 0x00 |
1c9894662795
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55 | #define TSL4531_REG_CONFIG 0x01 |
1c9894662795
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56 | #define TSL4531_REG_DATA_LOW 0x04 |
1c9894662795
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57 | #define TSL4531_REG_DATA_HIGH 0x05 |
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58 | #define TSL4531_REG_DEVICE_ID 0x0A |
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59 | |
1c9894662795
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60 | // TSL4531 Misc Values |
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61 | #define TSL4531_ON 0x03 |
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62 | #define TSL4531_OFF 0x00 |
1c9894662795
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63 | |
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64 | // Integration times in milliseconds |
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65 | #define TSL4531_INTEGRATION_TIME_100MS 120 |
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66 | #define TSL4531_INTEGRATION_TIME_200MS 240 |
1c9894662795
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67 | #define TSL4531_INTEGRATION_TIME_400MS 480 // Default |
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68 | |
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69 | #define CHECK(x) do { esp_err_t __; if ((__ = x) != ESP_OK) return __; } while (0) |
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70 | #define CHECK_ARG(VAL) do { if (!(VAL)) return ESP_ERR_INVALID_ARG; } while (0) |
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71 | |
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72 | inline static esp_err_t write_register(tsl4531_t *dev, uint8_t reg, uint8_t val) |
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73 | { |
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74 | return i2c_dev_write_reg(&dev->i2c_dev, TSL4531_REG_COMMAND | reg, &val, 1); |
1c9894662795
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75 | } |
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76 | |
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77 | inline static esp_err_t read_register(tsl4531_t *dev, uint8_t reg, uint8_t *val) |
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78 | { |
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79 | return i2c_dev_read_reg(&dev->i2c_dev, TSL4531_REG_COMMAND | reg, val, 1); |
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80 | } |
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81 | |
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82 | inline static esp_err_t read_register_16(tsl4531_t *dev, uint8_t reg, uint16_t *val) |
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83 | { |
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84 | return i2c_dev_read_reg(&dev->i2c_dev, TSL4531_REG_COMMAND | reg, val, 2); |
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85 | } |
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86 | |
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87 | inline static esp_err_t enable(tsl4531_t *dev) |
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88 | { |
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89 | return write_register(dev, TSL4531_REG_CONTROL, TSL4531_ON); |
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90 | } |
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91 | |
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92 | inline static esp_err_t disable(tsl4531_t *dev) |
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93 | { |
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94 | return write_register(dev, TSL4531_REG_CONTROL, TSL4531_OFF); |
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95 | } |
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96 | |
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97 | /////////////////////////////////////////////////////////////////////////////// |
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98 | |
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99 | esp_err_t tsl4531_init_desc(tsl4531_t *dev, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio) |
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100 | { |
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101 | CHECK_ARG(dev); |
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102 | |
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103 | dev->i2c_dev.port = port; |
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104 | dev->i2c_dev.addr = TSL4531_I2C_ADDR; |
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105 | dev->i2c_dev.cfg.sda_io_num = sda_gpio; |
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106 | dev->i2c_dev.cfg.scl_io_num = scl_gpio; |
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107 | #if HELPER_TARGET_IS_ESP32 |
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108 | dev->i2c_dev.cfg.master.clk_speed = I2C_FREQ_HZ; |
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109 | #endif |
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110 | |
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111 | return i2c_dev_create_mutex(&dev->i2c_dev); |
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112 | } |
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113 | |
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114 | esp_err_t tsl4531_free_desc(tsl4531_t *dev) |
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115 | { |
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116 | CHECK_ARG(dev); |
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117 | |
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118 | return i2c_dev_delete_mutex(&dev->i2c_dev); |
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119 | } |
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120 | |
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121 | esp_err_t tsl4531_init(tsl4531_t *dev) |
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122 | { |
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123 | CHECK_ARG(dev); |
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124 | |
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125 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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126 | I2C_DEV_CHECK(&dev->i2c_dev, enable(dev)); |
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127 | |
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128 | uint8_t control_reg; |
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129 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, TSL4531_REG_CONTROL, &control_reg)); |
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130 | if (control_reg != TSL4531_ON) |
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131 | { |
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132 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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133 | ESP_LOGE(TAG, "Error initializing TSL4531, control register wasn't set to ON"); |
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134 | return ESP_ERR_INVALID_RESPONSE; |
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135 | } |
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136 | |
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137 | uint8_t id; |
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138 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, TSL4531_REG_DEVICE_ID, &id)); |
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139 | id >>= 4; |
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140 | switch (id) |
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141 | { |
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142 | case TSL4531_PART_TSL45317: |
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143 | case TSL4531_PART_TSL45313: |
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144 | case TSL4531_PART_TSL45315: |
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145 | case TSL4531_PART_TSL45311: |
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146 | dev->part_id = id; |
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147 | break; |
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148 | default: |
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149 | ESP_LOGW(TAG, "Unknown part id for TSL4531 sensor: %u", id); |
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150 | } |
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151 | |
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152 | I2C_DEV_CHECK(&dev->i2c_dev, disable(dev)); |
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153 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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154 | |
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155 | return ESP_OK; |
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156 | } |
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157 | |
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158 | esp_err_t tsl4531_config(tsl4531_t *dev, tsl4531_integration_time_t integration_time, bool skip_power_save) |
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159 | { |
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160 | CHECK_ARG(dev); |
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161 | |
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162 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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163 | I2C_DEV_CHECK(&dev->i2c_dev, enable(dev)); |
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164 | I2C_DEV_CHECK(&dev->i2c_dev, write_register(dev, TSL4531_REG_CONFIG, |
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165 | (skip_power_save ? 0x08 : 0x00) | (0x03 & integration_time))); |
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166 | I2C_DEV_CHECK(&dev->i2c_dev, disable(dev)); |
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167 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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168 | |
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169 | dev->integration_time = integration_time; |
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170 | dev->skip_power_save = skip_power_save; |
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171 | |
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172 | return ESP_OK; |
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173 | } |
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174 | |
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175 | esp_err_t tsl4531_read_lux(tsl4531_t *dev, uint16_t *lux) |
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176 | { |
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177 | CHECK_ARG(dev && lux); |
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178 | |
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179 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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180 | I2C_DEV_CHECK(&dev->i2c_dev, enable(dev)); |
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181 | |
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182 | uint16_t multiplier; |
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183 | switch (dev->integration_time) |
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184 | { |
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185 | case TSL4531_INTEGRATION_100MS: |
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186 | multiplier = 4; |
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187 | vTaskDelay(pdMS_TO_TICKS(TSL4531_INTEGRATION_TIME_100MS)); |
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188 | break; |
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189 | case TSL4531_INTEGRATION_200MS: |
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190 | multiplier = 2; |
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191 | vTaskDelay(pdMS_TO_TICKS(TSL4531_INTEGRATION_TIME_200MS)); |
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192 | break; |
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193 | default: |
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194 | multiplier = 1; |
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195 | vTaskDelay(pdMS_TO_TICKS(TSL4531_INTEGRATION_TIME_400MS)); |
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196 | } |
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197 | |
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198 | uint16_t lux_data; |
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199 | I2C_DEV_CHECK(&dev->i2c_dev, read_register_16(dev, TSL4531_REG_DATA_LOW, &lux_data)); |
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200 | I2C_DEV_CHECK(&dev->i2c_dev, disable(dev)); |
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201 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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202 | |
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203 | *lux = multiplier * lux_data; |
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204 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
205 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
206 | } |