Thu, 06 Apr 2023 20:53:06 +0200
Set the new measured deep sleep current consumption. This is half of the Wemos D1 system.
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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1 | /* |
1c9894662795
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2 | * Copyright (c) 2022 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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3 | * |
1c9894662795
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4 | * Redistribution and use in source and binary forms, with or without |
1c9894662795
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5 | * modification, are permitted provided that the following conditions are met: |
1c9894662795
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6 | * |
1c9894662795
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7 | * 1. Redistributions of source code must retain the above copyright notice, |
1c9894662795
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8 | * this list of conditions and the following disclaimer. |
1c9894662795
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9 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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10 | * this list of conditions and the following disclaimer in the documentation |
1c9894662795
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11 | * and/or other materials provided with the distribution. |
1c9894662795
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12 | * 3. Neither the name of the copyright holder nor the names of itscontributors |
1c9894662795
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13 | * may be used to endorse or promote products derived from this software without |
1c9894662795
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14 | * specific prior written permission. |
1c9894662795
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15 | * |
1c9894662795
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
1c9894662795
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
1c9894662795
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
1c9894662795
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19 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
1c9894662795
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20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
1c9894662795
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21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
1c9894662795
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22 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
1c9894662795
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23 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
1c9894662795
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24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
1c9894662795
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25 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
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26 | */ |
1c9894662795
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27 | |
1c9894662795
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28 | /** |
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29 | * @file max31855.h |
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30 | * @defgroup max31855 max31855 |
1c9894662795
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31 | * @{ |
1c9894662795
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32 | * |
1c9894662795
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33 | * ESP-IDF driver for MAX31855 cold-junction compensated |
1c9894662795
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34 | * thermocouple-to-digital converter |
1c9894662795
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35 | * |
1c9894662795
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36 | * Copyright (c) 2022 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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37 | * |
1c9894662795
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38 | * BSD Licensed as described in the file LICENSE |
1c9894662795
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39 | */ |
1c9894662795
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40 | #ifndef __MAX31855_H__ |
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41 | #define __MAX31855_H__ |
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42 | |
1c9894662795
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43 | #include <stdint.h> |
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44 | #include <stdbool.h> |
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45 | #include <driver/spi_master.h> |
1c9894662795
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46 | #include <driver/gpio.h> |
1c9894662795
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47 | #include <esp_err.h> |
1c9894662795
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48 | |
1c9894662795
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49 | #ifdef __cplusplus |
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50 | extern "C" { |
1c9894662795
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51 | #endif |
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52 | |
1c9894662795
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53 | #define MAX31855_MAX_CLOCK_SPEED_HZ (5000000) // 5 MHz |
1c9894662795
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54 | |
1c9894662795
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55 | /** |
1c9894662795
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56 | * Device descriptor |
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57 | */ |
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58 | typedef struct |
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59 | { |
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60 | spi_device_interface_config_t spi_cfg; /**< SPI device configuration */ |
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61 | spi_device_handle_t spi_dev; /**< SPI device handler */ |
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62 | } max31855_t; |
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63 | |
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64 | /** |
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65 | * @brief Initialize device descriptor |
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66 | * |
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67 | * @param dev Device descriptor |
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68 | * @param host SPI host |
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69 | * @param cs_pin CS GPIO number |
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70 | * @param clock_speed_hz SPI clock speed, Hz |
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71 | * @return `ESP_OK` on success |
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72 | */ |
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73 | esp_err_t max31855_init_desc(max31855_t *dev, spi_host_device_t host, uint32_t clock_speed_hz, gpio_num_t cs_pin); |
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74 | |
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75 | /** |
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76 | * @brief Free device descriptor |
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77 | * |
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78 | * @param dev Device descriptor |
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79 | * @return `ESP_OK` on success |
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80 | */ |
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81 | esp_err_t max31855_free_desc(max31855_t *dev); |
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82 | |
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83 | /** |
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84 | * @brief Read temperatures and sensor status |
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85 | * |
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86 | * @param dev Device descriptor |
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87 | * @param[out] tc_t Thermocouple temperature, degrees Celsius |
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88 | * @param[out] cj_t Cold junction temperature, degrees Celsius (NULL-able) |
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89 | * @param[out] scv true when the thermocouple is short-circuited to VCC |
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90 | * @param[out] scg true when the thermocouple is short-circuited to GND |
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91 | * @param[out] oc true when the thermocouple is open (no connections) |
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92 | * @return |
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93 | */ |
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94 | esp_err_t max31855_get_temperature(max31855_t *dev, float *tc_t, float *cj_t, bool *scv, bool *scg, bool *oc); |
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95 | |
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96 | #ifdef __cplusplus |
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97 | } |
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98 | #endif |
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99 | |
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100 | /**@}*/ |
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101 | |
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102 | #endif /* __MAX31855_H__ */ |