Thu, 06 Apr 2023 20:53:06 +0200
Set the new measured deep sleep current consumption. This is half of the Wemos D1 system.
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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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) 2016 Ruslan V. Uss <unclerus@gmail.com> |
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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3 | * |
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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4 | * 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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5 | * 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>
parents:
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6 | * |
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 | * 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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8 | * 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>
parents:
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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.
Michiel Broek <mbroek@mbse.eu>
parents:
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10 | * 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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11 | * 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.
Michiel Broek <mbroek@mbse.eu>
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12 | * 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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13 | * 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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14 | * 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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15 | * |
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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16 | * 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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17 | * 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.
Michiel Broek <mbroek@mbse.eu>
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18 | * 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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19 | * 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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20 | * 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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21 | * 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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22 | * 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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23 | * 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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24 | * 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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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
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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28 | /** |
1c9894662795
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29 | * @file hmc5883l.c |
1c9894662795
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30 | * |
1c9894662795
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31 | * ESP-IDF Driver for 3-axis digital compass HMC5883L and HMC5983L |
1c9894662795
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32 | * |
1c9894662795
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33 | * Ported from esp-open-rtos |
1c9894662795
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34 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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35 | * Copyright (c) 2016, 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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36 | * |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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 | #include "hmc5883l.h" |
1c9894662795
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40 | #include <inttypes.h> |
1c9894662795
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41 | #include <esp_log.h> |
1c9894662795
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42 | #include <esp_err.h> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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43 | #include <esp_timer.h> |
1c9894662795
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44 | #include <esp_idf_lib_helpers.h> |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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45 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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46 | #define REG_CR_A 0x00 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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47 | #define REG_CR_B 0x01 |
1c9894662795
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48 | #define REG_MODE 0x02 |
1c9894662795
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49 | #define REG_DX_H 0x03 |
1c9894662795
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50 | #define REG_DX_L 0x04 |
1c9894662795
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51 | #define REG_DZ_H 0x05 |
1c9894662795
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52 | #define REG_DZ_L 0x06 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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53 | #define REG_DY_H 0x07 |
1c9894662795
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54 | #define REG_DY_L 0x08 |
1c9894662795
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55 | #define REG_STAT 0x09 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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56 | #define REG_ID_A 0x0a |
1c9894662795
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57 | #define REG_ID_B 0x0b |
1c9894662795
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58 | #define REG_ID_C 0x0c |
1c9894662795
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59 | |
1c9894662795
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60 | #define BIT_MA 5 |
1c9894662795
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61 | #define BIT_DO 2 |
1c9894662795
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62 | #define BIT_GN 5 |
1c9894662795
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63 | |
1c9894662795
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64 | #define MASK_MD 0x03 |
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65 | #define MASK_MA 0x60 |
1c9894662795
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66 | #define MASK_DO 0x1c |
1c9894662795
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67 | #define MASK_MS 0x03 |
1c9894662795
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68 | #define MASK_DR 0x01 |
1c9894662795
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69 | #define MASK_DL 0x02 |
1c9894662795
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70 | |
1c9894662795
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71 | #define I2C_FREQ_HZ 400000 |
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72 | |
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73 | static const char *TAG = "hmc5883l"; |
1c9894662795
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74 | |
1c9894662795
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75 | static const float gain_values [] = { |
1c9894662795
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76 | [HMC5883L_GAIN_1370] = 0.73, |
1c9894662795
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77 | [HMC5883L_GAIN_1090] = 0.92, |
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78 | [HMC5883L_GAIN_820] = 1.22, |
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79 | [HMC5883L_GAIN_660] = 1.52, |
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80 | [HMC5883L_GAIN_440] = 2.27, |
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81 | [HMC5883L_GAIN_390] = 2.56, |
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82 | [HMC5883L_GAIN_330] = 3.03, |
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83 | [HMC5883L_GAIN_230] = 4.35 |
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84 | }; |
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85 | |
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86 | #define timeout_expired(start, len) ((uint64_t)(esp_timer_get_time() - (start)) >= (len)) |
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87 | #define CHECK_ARG(VAL) do { if (!(VAL)) return ESP_ERR_INVALID_ARG; } while (0) |
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88 | |
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89 | esp_err_t hmc5883l_init_desc(hmc5883l_dev_t *dev, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio) |
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90 | { |
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91 | CHECK_ARG(dev); |
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92 | |
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93 | dev->i2c_dev.port = port; |
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94 | dev->i2c_dev.addr = HMC5883L_ADDR; |
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95 | dev->i2c_dev.cfg.sda_io_num = sda_gpio; |
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96 | dev->i2c_dev.cfg.scl_io_num = scl_gpio; |
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97 | #if HELPER_TARGET_IS_ESP32 |
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98 | dev->i2c_dev.cfg.master.clk_speed = I2C_FREQ_HZ; |
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99 | #endif |
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100 | return i2c_dev_create_mutex(&dev->i2c_dev); |
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101 | } |
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102 | |
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103 | esp_err_t hmc5883l_free_desc(hmc5883l_dev_t *dev) |
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104 | { |
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105 | CHECK_ARG(dev); |
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106 | |
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107 | return i2c_dev_delete_mutex(&dev->i2c_dev); |
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108 | } |
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109 | |
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110 | static esp_err_t write_register(hmc5883l_dev_t *dev, uint8_t reg, uint8_t val) |
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111 | { |
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112 | esp_err_t ret = i2c_dev_write_reg(&dev->i2c_dev, reg, &val, 1); |
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113 | if (ret != ESP_OK) |
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114 | ESP_LOGE(TAG, "Could not write 0x%02x to register 0x%02x, err = %d", val, reg, ret); |
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115 | return ret; |
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116 | } |
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117 | |
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118 | static inline esp_err_t read_register(hmc5883l_dev_t *dev, uint8_t reg, uint8_t *val) |
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119 | { |
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120 | esp_err_t ret = i2c_dev_read_reg(&dev->i2c_dev, reg, val, 1); |
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121 | if (ret != ESP_OK) |
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122 | ESP_LOGE(TAG, "Could not read register 0x%02x, err = %d", reg, ret); |
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123 | return ret; |
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124 | } |
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125 | |
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126 | static esp_err_t update_register(hmc5883l_dev_t *dev, uint8_t reg, uint8_t mask, uint8_t val) |
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127 | { |
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128 | uint8_t old; |
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129 | esp_err_t ret = read_register(dev, reg, &old); |
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130 | if (ret != ESP_OK) |
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131 | return ret; |
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132 | return write_register(dev, reg, (old & mask) | val); |
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133 | } |
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134 | |
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135 | #define CHECK(X) do { \ |
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136 | esp_err_t __ = X; \ |
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137 | if (__ != ESP_OK) return __; \ |
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138 | } while (0) |
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139 | |
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140 | esp_err_t hmc5883l_init(hmc5883l_dev_t *dev) |
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141 | { |
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142 | CHECK_ARG(dev); |
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143 | |
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144 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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145 | |
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146 | uint32_t id = 0; |
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147 | I2C_DEV_CHECK(&dev->i2c_dev, i2c_dev_read_reg(&dev->i2c_dev, REG_ID_A, &id, 3)); |
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148 | if (id != HMC5883L_ID) |
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149 | { |
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150 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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151 | ESP_LOGE(TAG, "Unknown ID: 0x%08" PRIx32 " != 0x%08x", id, HMC5883L_ID); |
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152 | return ESP_ERR_NOT_FOUND; |
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153 | } |
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154 | |
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155 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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156 | |
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157 | hmc5883l_gain_t gain; |
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158 | CHECK(hmc5883l_get_gain(dev, &gain)); |
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159 | dev->gain = gain_values[gain]; |
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160 | |
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161 | CHECK(hmc5883l_get_opmode(dev, &dev->opmode)); |
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162 | |
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163 | return ESP_OK; |
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164 | } |
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165 | |
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166 | esp_err_t hmc5883l_get_opmode(hmc5883l_dev_t *dev, hmc5883l_opmode_t *val) |
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167 | { |
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168 | CHECK_ARG(dev && val); |
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169 | |
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170 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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171 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, REG_MODE, (uint8_t *)val)); |
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172 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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173 | |
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174 | *val = (*val & MASK_MD) == 0 ? HMC5883L_MODE_CONTINUOUS : HMC5883L_MODE_SINGLE; |
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175 | return ESP_OK; |
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176 | } |
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177 | |
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178 | esp_err_t hmc5883l_set_opmode(hmc5883l_dev_t *dev, hmc5883l_opmode_t mode) |
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179 | { |
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180 | CHECK_ARG(dev); |
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181 | |
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182 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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183 | I2C_DEV_CHECK(&dev->i2c_dev, write_register(dev, REG_MODE, mode)); |
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184 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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185 | |
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186 | dev->opmode = mode; |
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187 | return ESP_OK; |
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188 | } |
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189 | |
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190 | esp_err_t hmc5883l_get_samples_averaged(hmc5883l_dev_t *dev, hmc5883l_samples_averaged_t *val) |
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191 | { |
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192 | CHECK_ARG(dev && val); |
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193 | |
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194 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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195 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, REG_CR_A, (uint8_t *)val)); |
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196 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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197 | |
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198 | *val = (*val & MASK_MA) >> BIT_MA; |
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199 | return ESP_OK; |
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200 | } |
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201 | |
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202 | esp_err_t hmc5883l_set_samples_averaged(hmc5883l_dev_t *dev, hmc5883l_samples_averaged_t samples) |
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203 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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204 | CHECK_ARG(dev); |
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205 | |
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206 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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207 | I2C_DEV_CHECK(&dev->i2c_dev, update_register(dev, REG_CR_A, MASK_MA, samples << BIT_MA)); |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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208 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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209 | |
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210 | return ESP_OK; |
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211 | } |
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212 | |
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213 | esp_err_t hmc5883l_get_data_rate(hmc5883l_dev_t *dev, hmc5883l_data_rate_t *val) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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214 | { |
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215 | CHECK_ARG(dev && val); |
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216 | |
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217 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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218 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, REG_CR_A, (uint8_t *)val)); |
1c9894662795
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219 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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220 | |
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221 | *val = (*val & MASK_DO) >> BIT_DO; |
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222 | return ESP_OK; |
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223 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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224 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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225 | esp_err_t hmc5883l_set_data_rate(hmc5883l_dev_t *dev, hmc5883l_data_rate_t rate) |
1c9894662795
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226 | { |
1c9894662795
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227 | CHECK_ARG(dev); |
1c9894662795
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228 | |
1c9894662795
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229 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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230 | I2C_DEV_CHECK(&dev->i2c_dev, update_register(dev, REG_CR_A, MASK_DO, rate << BIT_DO)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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231 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
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232 | |
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233 | return ESP_OK; |
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234 | } |
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235 | |
1c9894662795
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236 | esp_err_t hmc5883l_get_bias(hmc5883l_dev_t *dev, hmc5883l_bias_t *val) |
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237 | { |
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Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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238 | CHECK_ARG(dev && val); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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239 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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240 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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241 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, REG_CR_A, (uint8_t *)val)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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242 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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243 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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244 | *val &= MASK_MS; |
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245 | return ESP_OK; |
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246 | } |
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247 | |
1c9894662795
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248 | esp_err_t hmc5883l_set_bias(hmc5883l_dev_t *dev, hmc5883l_bias_t bias) |
1c9894662795
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249 | { |
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250 | CHECK_ARG(dev); |
1c9894662795
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251 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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252 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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253 | I2C_DEV_CHECK(&dev->i2c_dev, update_register(dev, REG_CR_A, MASK_MS, bias)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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254 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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255 | |
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256 | return ESP_OK; |
1c9894662795
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257 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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258 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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259 | esp_err_t hmc5883l_get_gain(hmc5883l_dev_t *dev, hmc5883l_gain_t *val) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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260 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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261 | CHECK_ARG(dev && val); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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262 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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263 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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264 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, REG_CR_B, (uint8_t *)val)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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265 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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266 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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267 | *val >>= BIT_GN; |
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268 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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269 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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270 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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271 | esp_err_t hmc5883l_set_gain(hmc5883l_dev_t *dev, hmc5883l_gain_t gain) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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272 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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273 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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274 | I2C_DEV_CHECK(&dev->i2c_dev, write_register(dev, REG_CR_B, gain << BIT_GN)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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275 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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276 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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277 | dev->gain = gain_values[gain]; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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278 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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279 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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280 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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281 | esp_err_t hmc5883l_data_is_locked(hmc5883l_dev_t *dev, bool *val) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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282 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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283 | CHECK_ARG(dev && val); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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284 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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285 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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286 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, REG_STAT, (uint8_t *)val)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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287 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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288 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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289 | *val &= MASK_DL; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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290 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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291 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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292 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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293 | esp_err_t hmc5883l_data_is_ready(hmc5883l_dev_t *dev, bool *val) |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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294 | { |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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295 | CHECK_ARG(dev && val); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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296 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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297 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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298 | I2C_DEV_CHECK(&dev->i2c_dev, read_register(dev, REG_STAT, (uint8_t *)val)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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299 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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300 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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301 | *val &= MASK_DR; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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302 | return ESP_OK; |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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303 | } |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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|
304 | |
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305 | esp_err_t hmc5883l_get_raw_data(hmc5883l_dev_t *dev, hmc5883l_raw_data_t *data) |
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306 | { |
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307 | CHECK_ARG(dev && data); |
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308 | |
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309 | if (dev->opmode == HMC5883L_MODE_SINGLE) |
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310 | { |
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311 | // overwrite mode register for measurement |
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312 | CHECK(hmc5883l_set_opmode(dev, dev->opmode)); |
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313 | // wait for data |
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314 | uint64_t start = esp_timer_get_time(); |
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315 | bool dready = false; |
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316 | do |
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317 | { |
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318 | CHECK(hmc5883l_data_is_ready(dev, &dready)); |
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319 | if (timeout_expired(start, CONFIG_HMC5883L_MEAS_TIMEOUT)) |
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320 | return ESP_ERR_TIMEOUT; |
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321 | } while (!dready); |
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322 | } |
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323 | uint8_t buf[6]; |
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324 | uint8_t reg = REG_DX_H; |
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325 | |
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326 | I2C_DEV_TAKE_MUTEX(&dev->i2c_dev); |
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327 | I2C_DEV_CHECK(&dev->i2c_dev, i2c_dev_read_reg(&dev->i2c_dev, reg, buf, 6)); |
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328 | I2C_DEV_GIVE_MUTEX(&dev->i2c_dev); |
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329 | |
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330 | data->x = ((int16_t)buf[REG_DX_H - REG_DX_H] << 8) | buf[REG_DX_L - REG_DX_H]; |
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331 | data->y = ((int16_t)buf[REG_DY_H - REG_DX_H] << 8) | buf[REG_DY_L - REG_DX_H]; |
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332 | data->z = ((int16_t)buf[REG_DZ_H - REG_DX_H] << 8) | buf[REG_DZ_L - REG_DX_H]; |
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333 | |
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334 | return ESP_OK; |
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335 | } |
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336 | |
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337 | esp_err_t hmc5883l_raw_to_mg(const hmc5883l_dev_t *dev, const hmc5883l_raw_data_t *raw, hmc5883l_data_t *mg) |
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338 | { |
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339 | CHECK_ARG(dev && raw && mg); |
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340 | |
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341 | mg->x = raw->x * dev->gain; |
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342 | mg->y = raw->y * dev->gain; |
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343 | mg->z = raw->z * dev->gain; |
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344 | |
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345 | return ESP_OK; |
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346 | } |
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347 | |
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348 | esp_err_t hmc5883l_get_data(hmc5883l_dev_t *dev, hmc5883l_data_t *data) |
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349 | { |
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350 | CHECK_ARG(data); |
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351 | |
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352 | hmc5883l_raw_data_t raw; |
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353 | |
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354 | CHECK(hmc5883l_get_raw_data(dev, &raw)); |
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355 | CHECK(hmc5883l_raw_to_mg(dev, &raw, data)); |
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356 | |
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357 | return ESP_OK; |
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358 | } |