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>
parents:
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2 | * 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.
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>
parents:
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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.
Michiel Broek <mbroek@mbse.eu>
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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>
parents:
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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.
Michiel Broek <mbroek@mbse.eu>
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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.
Michiel Broek <mbroek@mbse.eu>
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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.
Michiel Broek <mbroek@mbse.eu>
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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.
Michiel Broek <mbroek@mbse.eu>
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25 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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26 | */ |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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 mcp23008.c |
1c9894662795
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30 | * |
1c9894662795
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31 | * ESP-IDF driver for I2C 8 bit GPIO expander MCP23008 |
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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32 | * |
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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33 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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Michiel Broek <mbroek@mbse.eu>
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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 | * BSD Licensed as described in the file LICENSE |
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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36 | */ |
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 | #include <esp_log.h> |
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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39 | #include <esp_idf_lib_helpers.h> |
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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40 | #include "mcp23008.h" |
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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41 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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42 | #define I2C_FREQ_HZ 1000000 // Max 1MHz for esp-idf, but device supports up to 1.7Mhz |
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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43 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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44 | #define REG_IODIR 0x00 |
1c9894662795
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45 | #define REG_IPOL 0x01 |
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_GPINTEN 0x02 |
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_DEFVAL 0x03 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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48 | #define REG_INTCON 0x04 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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49 | #define REG_IOCON 0x05 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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50 | #define REG_GPPU 0x06 |
1c9894662795
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51 | #define REG_INTF 0x07 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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52 | #define REG_INTCAP 0x08 |
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_GPIO 0x09 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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54 | #define REG_OLAT 0x0a |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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55 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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56 | #define BIT_IOCON_INTPOL 1 |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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57 | #define BIT_IOCON_ODR 2 |
1c9894662795
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58 | //#define BIT_IOCON_HAEN 3 |
1c9894662795
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59 | #define BIT_IOCON_DISSLW 4 |
1c9894662795
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60 | #define BIT_IOCON_SREAD 5 |
1c9894662795
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61 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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62 | static const char *TAG = "mcp23008"; |
1c9894662795
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63 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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64 | #define CHECK(x) do { esp_err_t __; if ((__ = x) != ESP_OK) return __; } while (0) |
1c9894662795
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65 | #define CHECK_ARG(VAL) do { if (!(VAL)) return ESP_ERR_INVALID_ARG; } while (0) |
1c9894662795
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66 | #define BV(x) (1 << (x)) |
1c9894662795
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67 | |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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68 | static esp_err_t read_reg(i2c_dev_t *dev, uint8_t reg, 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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69 | { |
1c9894662795
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70 | CHECK_ARG(dev && val); |
1c9894662795
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71 | |
1c9894662795
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72 | I2C_DEV_TAKE_MUTEX(dev); |
1c9894662795
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73 | I2C_DEV_CHECK(dev, i2c_dev_read_reg(dev, reg, val, 1)); |
1c9894662795
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74 | I2C_DEV_GIVE_MUTEX(dev); |
1c9894662795
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75 | |
1c9894662795
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76 | return ESP_OK; |
1c9894662795
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77 | } |
1c9894662795
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78 | |
1c9894662795
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79 | static esp_err_t write_reg(i2c_dev_t *dev, uint8_t reg, uint8_t val) |
1c9894662795
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80 | { |
1c9894662795
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81 | CHECK_ARG(dev); |
1c9894662795
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82 | |
1c9894662795
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83 | I2C_DEV_TAKE_MUTEX(dev); |
1c9894662795
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84 | I2C_DEV_CHECK(dev, i2c_dev_write_reg(dev, reg, &val, 1)); |
1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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85 | I2C_DEV_GIVE_MUTEX(dev); |
1c9894662795
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86 | |
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87 | return ESP_OK; |
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88 | } |
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89 | |
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90 | static esp_err_t read_reg_bit(i2c_dev_t *dev, uint8_t reg, bool *val, uint8_t bit) |
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91 | { |
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92 | CHECK_ARG(dev && val); |
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93 | |
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94 | uint8_t buf; |
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95 | |
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96 | I2C_DEV_TAKE_MUTEX(dev); |
1c9894662795
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97 | I2C_DEV_CHECK(dev, i2c_dev_read_reg(dev, reg, &buf, 1)); |
1c9894662795
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98 | I2C_DEV_GIVE_MUTEX(dev); |
1c9894662795
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99 | |
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100 | *val = (buf & BV(bit)) >> bit; |
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101 | |
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102 | return ESP_OK; |
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103 | } |
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104 | |
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105 | static esp_err_t write_reg_bit(i2c_dev_t *dev, uint8_t reg, bool val, uint8_t bit) |
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106 | { |
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107 | CHECK_ARG(dev); |
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108 | |
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109 | uint8_t buf; |
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110 | |
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111 | I2C_DEV_TAKE_MUTEX(dev); |
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112 | I2C_DEV_CHECK(dev, i2c_dev_read_reg(dev, reg, &buf, 1)); |
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113 | buf = (buf & ~BV(bit)) | (val ? BV(bit) : 0); |
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114 | I2C_DEV_CHECK(dev, i2c_dev_write_reg(dev, reg, &buf, 1)); |
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115 | I2C_DEV_GIVE_MUTEX(dev); |
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116 | |
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117 | return ESP_OK; |
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118 | } |
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119 | |
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120 | /////////////////////////////////////////////////////////////////////////////// |
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121 | |
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122 | esp_err_t mcp23008_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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123 | { |
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124 | CHECK_ARG(dev); |
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125 | if (addr < MCP23008_I2C_ADDR_BASE || addr > MCP23008_I2C_ADDR_BASE + 7) |
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126 | { |
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127 | ESP_LOGE(TAG, "Invalid device address: 0x%02x", addr); |
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128 | return ESP_ERR_INVALID_ARG; |
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129 | } |
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130 | |
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131 | dev->port = port; |
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132 | dev->addr = addr; |
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133 | dev->cfg.sda_io_num = sda_gpio; |
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134 | dev->cfg.scl_io_num = scl_gpio; |
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135 | #if HELPER_TARGET_IS_ESP32 |
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136 | dev->cfg.master.clk_speed = I2C_FREQ_HZ; |
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137 | #endif |
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138 | |
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139 | return i2c_dev_create_mutex(dev); |
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140 | } |
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141 | |
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142 | esp_err_t mcp23008_free_desc(i2c_dev_t *dev) |
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143 | { |
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144 | CHECK_ARG(dev); |
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145 | |
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146 | return i2c_dev_delete_mutex(dev); |
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147 | } |
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148 | |
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149 | esp_err_t mcp23008_get_int_out_mode(i2c_dev_t *dev, mcp23008_int_out_mode_t *mode) |
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150 | { |
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151 | CHECK_ARG(mode); |
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152 | |
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153 | uint8_t r; |
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154 | CHECK(read_reg(dev, REG_IOCON, &r)); |
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155 | |
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156 | if (r & BV(BIT_IOCON_ODR)) |
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157 | { |
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158 | *mode = MCP23008_OPEN_DRAIN; |
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159 | return ESP_OK; |
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160 | } |
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161 | |
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162 | *mode = r & BV(BIT_IOCON_INTPOL) ? MCP23008_ACTIVE_HIGH : MCP23008_ACTIVE_LOW; |
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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 mcp23008_set_int_out_mode(i2c_dev_t *dev, mcp23008_int_out_mode_t mode) |
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167 | { |
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168 | if (mode == MCP23008_OPEN_DRAIN) |
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169 | return write_reg_bit(dev, REG_IOCON, true, BIT_IOCON_ODR); |
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170 | |
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171 | return write_reg_bit(dev, REG_IOCON, mode == MCP23008_ACTIVE_HIGH, BIT_IOCON_INTPOL); |
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172 | } |
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173 | |
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174 | esp_err_t mcp23008_port_get_mode(i2c_dev_t *dev, uint8_t *val) |
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175 | { |
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176 | return read_reg(dev, REG_IODIR, val); |
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177 | } |
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178 | |
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179 | esp_err_t mcp23008_port_set_mode(i2c_dev_t *dev, uint8_t val) |
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180 | { |
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181 | return write_reg(dev, REG_IODIR, val); |
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182 | } |
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183 | |
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184 | esp_err_t mcp23008_port_get_pullup(i2c_dev_t *dev, uint8_t *val) |
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185 | { |
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186 | return read_reg(dev, REG_GPPU, val); |
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187 | } |
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188 | |
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189 | esp_err_t mcp23008_port_set_pullup(i2c_dev_t *dev, uint8_t val) |
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190 | { |
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191 | return write_reg(dev, REG_GPPU, val); |
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192 | } |
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193 | |
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194 | esp_err_t mcp23008_port_read(i2c_dev_t *dev, uint8_t *val) |
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195 | { |
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196 | return read_reg(dev, REG_GPIO, val); |
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197 | } |
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198 | |
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199 | esp_err_t mcp23008_port_write(i2c_dev_t *dev, uint8_t val) |
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200 | { |
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201 | return write_reg(dev, REG_GPIO, val); |
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202 | } |
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203 | |
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204 | esp_err_t mcp23008_get_mode(i2c_dev_t *dev, uint8_t pin, mcp23008_gpio_mode_t *mode) |
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205 | { |
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206 | CHECK_ARG(mode && pin < 8); |
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207 | |
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208 | bool buf; |
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209 | CHECK(read_reg_bit(dev, REG_IODIR, &buf, pin)); |
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210 | *mode = buf ? MCP23008_GPIO_INPUT : MCP23008_GPIO_OUTPUT; |
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211 | |
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212 | return ESP_OK; |
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213 | } |
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214 | |
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215 | esp_err_t mcp23008_set_mode(i2c_dev_t *dev, uint8_t pin, mcp23008_gpio_mode_t mode) |
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216 | { |
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217 | CHECK_ARG(pin < 8); |
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218 | |
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219 | return write_reg_bit(dev, REG_IODIR, mode, pin); |
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220 | } |
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221 | |
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222 | esp_err_t mcp23008_get_pullup(i2c_dev_t *dev, uint8_t pin, bool *enable) |
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223 | { |
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224 | CHECK_ARG(pin < 8); |
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225 | |
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226 | return read_reg_bit(dev, REG_GPPU, enable, pin); |
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227 | } |
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228 | |
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229 | esp_err_t mcp23008_set_pullup(i2c_dev_t *dev, uint8_t pin, bool enable) |
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230 | { |
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231 | CHECK_ARG(pin < 8); |
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232 | |
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233 | return write_reg_bit(dev, REG_GPPU, enable, pin); |
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234 | } |
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235 | |
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236 | esp_err_t mcp23008_get_level(i2c_dev_t *dev, uint8_t pin, uint32_t *val) |
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237 | { |
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238 | CHECK_ARG(val && pin < 8); |
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239 | |
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240 | bool buf; |
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241 | CHECK(read_reg_bit(dev, REG_GPIO, &buf, pin)); |
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242 | *val = buf ? 1 : 0; |
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243 | |
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244 | return ESP_OK; |
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245 | } |
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246 | |
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247 | esp_err_t mcp23008_set_level(i2c_dev_t *dev, uint8_t pin, uint32_t val) |
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248 | { |
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249 | CHECK_ARG(pin < 8); |
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250 | |
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251 | return write_reg_bit(dev, REG_GPIO, val, pin); |
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252 | } |
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253 | |
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254 | esp_err_t mcp23008_port_set_interrupt(i2c_dev_t *dev, uint8_t mask, mcp23008_gpio_intr_t intr) |
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255 | { |
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256 | CHECK_ARG(dev); |
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257 | |
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258 | uint8_t int_en; |
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259 | CHECK(read_reg(dev, REG_GPINTEN, &int_en)); |
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260 | |
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261 | if (intr == MCP23008_INT_DISABLED) |
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262 | { |
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263 | // disable interrupts |
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264 | int_en &= ~mask; |
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265 | CHECK(write_reg(dev, REG_GPINTEN, int_en)); |
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266 | |
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267 | return ESP_OK; |
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268 | } |
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269 | |
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270 | uint8_t int_con; |
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271 | CHECK(read_reg(dev, REG_INTCON, &int_con)); |
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272 | |
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273 | if (intr == MCP23008_INT_ANY_EDGE) |
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274 | int_con &= ~mask; |
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275 | else |
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276 | { |
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277 | int_con |= mask; |
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278 | |
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279 | uint8_t int_def; |
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280 | CHECK(read_reg(dev, REG_DEFVAL, &int_def)); |
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281 | if (intr == MCP23008_INT_LOW_EDGE) |
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282 | int_def |= mask; |
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283 | else |
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284 | int_def &= ~mask; |
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285 | CHECK(write_reg(dev, REG_DEFVAL, int_def)); |
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286 | } |
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287 | |
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288 | CHECK(write_reg(dev, REG_INTCON, int_con)); |
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289 | |
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290 | // enable interrupts |
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291 | int_en |= mask; |
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292 | CHECK(write_reg(dev, REG_GPINTEN, int_en)); |
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293 | |
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294 | return ESP_OK; |
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295 | } |
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296 | |
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297 | esp_err_t mcp23008_set_interrupt(i2c_dev_t *dev, uint8_t pin, mcp23008_gpio_intr_t intr) |
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298 | { |
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299 | CHECK_ARG(pin < 8); |
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300 | |
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301 | return mcp23008_port_set_interrupt(dev, BV(pin), intr); |
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302 | } |