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) 2018 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
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
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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
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
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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 mcp23x17.h |
1c9894662795
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30 | * @defgroup mcp23x17 mcp23x17 |
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31 | * @{ |
1c9894662795
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32 | * |
1c9894662795
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33 | * ESP-IDF driver for I2C/SPI 16 bit GPIO expanders MCP23017/MCP23S17 |
1c9894662795
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34 | * |
1c9894662795
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35 | * Copyright (c) 2018 Ruslan V. Uss <unclerus@gmail.com> |
1c9894662795
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36 | * |
1c9894662795
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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 | #ifndef __MCP23X17_H__ |
1c9894662795
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40 | #define __MCP23X17_H__ |
1c9894662795
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41 | |
1c9894662795
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42 | #include <stddef.h> |
1c9894662795
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43 | #include <stdbool.h> |
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44 | #include <i2cdev.h> |
1c9894662795
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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 | #define MCP23X17_ADDR_BASE 0x20 |
1c9894662795
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50 | |
1c9894662795
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51 | #ifdef __cplusplus |
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52 | extern "C" { |
1c9894662795
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53 | #endif |
1c9894662795
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54 | |
1c9894662795
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55 | #ifdef CONFIG_MCP23X17_IFACE_I2C |
1c9894662795
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56 | |
1c9894662795
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57 | typedef i2c_dev_t mcp23x17_t; |
1c9894662795
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58 | |
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59 | #else |
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60 | |
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61 | #define MCP23X17_MAX_SPI_FREQ SPI_MASTER_FREQ_10M // 10MHz |
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62 | |
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63 | typedef struct |
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64 | { |
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65 | spi_device_interface_config_t spi_cfg; |
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66 | spi_device_handle_t spi_dev; |
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67 | uint8_t addr; |
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68 | } mcp23x17_t; |
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69 | |
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70 | #endif |
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71 | |
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72 | /** |
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73 | * GPIO mode |
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74 | */ |
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75 | typedef enum |
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76 | { |
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77 | MCP23X17_GPIO_OUTPUT = 0, |
1c9894662795
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78 | MCP23X17_GPIO_INPUT |
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79 | } mcp23x17_gpio_mode_t; |
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80 | |
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81 | /** |
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82 | * INTA/INTB pins mode |
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83 | */ |
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84 | typedef enum |
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85 | { |
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86 | MCP23X17_ACTIVE_LOW = 0, //!< Low level on interrupt |
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87 | MCP23X17_ACTIVE_HIGH, //!< High level on interrupt |
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88 | MCP23X17_OPEN_DRAIN //!< Open drain |
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89 | } mcp23x17_int_out_mode_t; |
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90 | |
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91 | /** |
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92 | * Interrupt mode |
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93 | */ |
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94 | typedef enum |
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95 | { |
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96 | MCP23X17_INT_DISABLED = 0, //!< No interrupt |
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97 | MCP23X17_INT_LOW_EDGE, //!< Interrupt on low edge |
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98 | MCP23X17_INT_HIGH_EDGE, //!< Interrupt on high edge |
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99 | MCP23X17_INT_ANY_EDGE //!< Interrupt on any edge |
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100 | } mcp23x17_gpio_intr_t; |
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101 | |
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102 | #ifdef CONFIG_MCP23X17_IFACE_I2C |
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103 | |
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104 | /** |
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105 | * @brief Initialize device descriptor |
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106 | * |
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107 | * Default SCL frequency is 1MHz. |
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108 | * |
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109 | * @param dev Pointer to device descriptor |
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110 | * @param port I2C port number |
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111 | * @param addr I2C address |
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112 | * @param sda_gpio SDA GPIO |
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113 | * @param scl_gpio SCL GPIO |
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114 | * @return `ESP_OK` on success |
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115 | */ |
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116 | esp_err_t mcp23x17_init_desc(mcp23x17_t *dev, uint8_t addr, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio); |
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117 | |
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118 | /** |
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119 | * @brief Free device descriptor |
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120 | * |
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121 | * @param dev Pointer to device descriptor |
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122 | * @return `ESP_OK` on success |
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123 | */ |
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124 | esp_err_t mcp23x17_free_desc(mcp23x17_t *dev); |
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125 | |
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126 | #else |
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127 | |
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128 | /** |
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129 | * @brief Initialize device descriptor |
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130 | * |
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131 | * @param dev Pointer to device descriptor |
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132 | * @param host SPI host |
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133 | * @param clock_speed_hz SPI clock speed, Hz (max `MCP23X17_MAX_SPI_FREQ`) |
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134 | * @param addr Device address |
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135 | * @param cs_pin CS pin |
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136 | * @return `ESP_OK` on success |
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137 | */ |
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138 | esp_err_t mcp23x17_init_desc_spi(mcp23x17_t *dev, spi_host_device_t host, uint32_t clock_speed_hz, uint8_t addr, gpio_num_t cs_pin); |
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139 | |
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140 | /** |
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141 | * @brief Free device descriptor |
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142 | * |
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143 | * @param dev Pointer to device descriptor |
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144 | * @return `ESP_OK` on success |
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145 | */ |
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146 | esp_err_t mcp23x17_free_desc_spi(mcp23x17_t *dev); |
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147 | |
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148 | #endif |
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149 | |
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150 | #ifdef CONFIG_MCP23X17_IFACE_SPI |
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151 | |
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152 | /** |
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153 | * @brief Enable or disable hardware addressing (usage of pins A0..A2). |
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154 | * |
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155 | * Works only with MCP23S17. |
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156 | * Warining! According to the datasheet, hardware addressing is disabled by default. |
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157 | * |
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158 | * @param dev Pointer to device descriptor |
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159 | * @param enable `true` to enable hardware addressing |
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160 | * @param new_addr New I2C address (`0b0100<A2><A1><A0>` after the addressing enabled). |
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161 | * If `enable` is `false`, address will be set automatically |
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162 | * @return `ESP_OK` on success |
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163 | */ |
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164 | esp_err_t mcp23x17_setup_hw_addr(mcp23x17_t *dev, bool enable, uint8_t new_addr); |
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165 | |
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166 | #endif |
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167 | |
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168 | /** |
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169 | * @brief Get INTA/INTB pins mode |
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170 | * |
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171 | * @param dev Pointer to device descriptor |
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172 | * @param[out] mode Buffer to store mode |
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173 | * @return `ESP_OK` on success |
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174 | */ |
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175 | esp_err_t mcp23x17_get_int_out_mode(mcp23x17_t *dev, mcp23x17_int_out_mode_t *mode); |
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176 | |
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177 | /** |
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178 | * @brief Set INTA/INTB pins mode |
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179 | * |
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180 | * @param dev Pointer to device descriptor |
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181 | * @param mode INTA/INTB pins mode |
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182 | * @return `ESP_OK` on success |
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183 | */ |
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184 | esp_err_t mcp23x17_set_int_out_mode(mcp23x17_t *dev, mcp23x17_int_out_mode_t mode); |
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185 | |
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186 | /** |
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187 | * @brief Get GPIO pins mode |
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188 | * |
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189 | * 0 - output, 1 - input for each bit in `val` |
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190 | * |
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191 | * @param dev Pointer to device descriptor |
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192 | * @param[out] val Buffer to store mode, 0 bit for PORTA/GPIO0..15 bit for PORTB/GPIO7 |
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193 | * @return |
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194 | */ |
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195 | esp_err_t mcp23x17_port_get_mode(mcp23x17_t *dev, uint16_t *val); |
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196 | |
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197 | /** |
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198 | * @brief Set GPIO pins mode |
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199 | * |
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200 | * 0 - output, 1 - input for each bit in `val` |
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201 | * |
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202 | * @param dev Pointer to device descriptor |
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203 | * @param val Mode, 0 bit for PORTA/GPIO0..15 bit for PORTB/GPIO7 |
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204 | * @return `ESP_OK` on success |
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205 | */ |
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206 | esp_err_t mcp23x17_port_set_mode(mcp23x17_t *dev, uint16_t val); |
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207 | |
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208 | /** |
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209 | * @brief Get GPIO pullups status |
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210 | * |
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211 | * 0 - pullup disabled, 1 - pullup enabled for each bit in `val` |
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212 | * |
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213 | * @param dev Pointer to device descriptor |
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214 | * @param[out] val Pullup status, 0 bit for PORTA/GPIO0..15 bit for PORTB/GPIO7 |
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215 | * @return `ESP_OK` on success |
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216 | */ |
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217 | esp_err_t mcp23x17_port_get_pullup(mcp23x17_t *dev, uint16_t *val); |
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218 | |
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219 | /** |
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220 | * @brief Set GPIO pullups status |
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221 | * |
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222 | * 0 - pullup disabled, 1 - pullup enabled for each bit in `val` |
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223 | * |
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224 | * @param dev Pointer to device descriptor |
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225 | * @param val Pullup status, 0 bit for PORTA/GPIO0..15 bit for PORTB/GPIO7 |
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226 | * @return `ESP_OK` on success |
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227 | */ |
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228 | esp_err_t mcp23x17_port_set_pullup(mcp23x17_t *dev, uint16_t val); |
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229 | |
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230 | /** |
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231 | * @brief Read GPIO port value |
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232 | * |
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233 | * @param dev Pointer to device descriptor |
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234 | * @param[out] val 16-bit GPIO port value, 0 bit for PORTA/GPIO0..15 bit for PORTB/GPIO7 |
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235 | * @return `ESP_OK` on success |
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236 | */ |
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237 | esp_err_t mcp23x17_port_read(mcp23x17_t *dev, uint16_t *val); |
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238 | |
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239 | /** |
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240 | * @brief Write value to GPIO port |
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241 | * |
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242 | * @param dev Pointer to device descriptor |
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243 | * @param val GPIO port value, 0 bit for PORTA/GPIO0..15 bit for PORTB/GPIO7 |
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244 | * @return `ESP_OK` on success |
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245 | */ |
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246 | esp_err_t mcp23x17_port_write(mcp23x17_t *dev, uint16_t val); |
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247 | |
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248 | /** |
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249 | * @brief Get GPIO pin mode |
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250 | * |
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251 | * @param dev Pointer to device descriptor |
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252 | * @param pin Pin number, 0 for PORTA/GPIO0..15 for PORTB/GPIO7 |
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253 | * @param[out] mode GPIO pin mode |
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254 | * @return `ESP_OK` on success |
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255 | */ |
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256 | esp_err_t mcp23x17_get_mode(mcp23x17_t *dev, uint8_t pin, mcp23x17_gpio_mode_t *mode); |
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257 | |
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258 | /** |
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259 | * @brief Set GPIO pin mode |
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260 | * |
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261 | * @param dev Pointer to device descriptor |
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262 | * @param pin Pin number, 0 for PORTA/GPIO0..15 for PORTB/GPIO7 |
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263 | * @param mode GPIO pin mode |
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264 | * @return `ESP_OK` on success |
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265 | */ |
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266 | esp_err_t mcp23x17_set_mode(mcp23x17_t *dev, uint8_t pin, mcp23x17_gpio_mode_t mode); |
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267 | |
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268 | /** |
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269 | * @brief Get pullup mode of GPIO pin |
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270 | * |
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271 | * @param dev Pointer to device descriptor |
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272 | * @param pin Pin number, 0 for PORTA/GPIO0..15 for PORTB/GPIO7 |
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273 | * @param[out] enable pullup mode |
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274 | * @return `ESP_OK` on success |
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275 | */ |
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276 | esp_err_t mcp23x17_get_pullup(mcp23x17_t *dev, uint8_t pin, bool *enable); |
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277 | |
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278 | /** |
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279 | * @brief Set pullup mode of GPIO pin |
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280 | * |
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281 | * @param dev Pointer to device descriptor |
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282 | * @param pin Pin number, 0 for PORTA/GPIO0..15 for PORTB/GPIO7 |
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283 | * @param enable `true` to enable pullup |
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284 | * @return `ESP_OK` on success |
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285 | */ |
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286 | esp_err_t mcp23x17_set_pullup(mcp23x17_t *dev, uint8_t pin, bool enable); |
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287 | |
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288 | /** |
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289 | * @brief Read GPIO pin level |
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290 | * |
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291 | * @param dev Pointer to device descriptor |
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292 | * @param pin Pin number, 0 for PORTA/GPIO0..15 for PORTB/GPIO7 |
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293 | * @param[out] val `true` if pin currently in high state |
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294 | * @return `ESP_OK` on success |
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295 | */ |
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296 | esp_err_t mcp23x17_get_level(mcp23x17_t *dev, uint8_t pin, uint32_t *val); |
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297 | |
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298 | /** |
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299 | * @brief Set GPIO pin level |
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300 | * |
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301 | * Pin must be set up as output |
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302 | * |
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303 | * @param dev Pointer to device descriptor |
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304 | * @param pin Pin number, 0 for PORTA/GPIO0..15 for PORTB/GPIO7 |
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305 | * @param[out] val `true` if pin currently in high state |
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306 | * @return `ESP_OK` on success |
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307 | */ |
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308 | esp_err_t mcp23x17_set_level(mcp23x17_t *dev, uint8_t pin, uint32_t val); |
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309 | |
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310 | /** |
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311 | * @brief Setup interrupt for group of GPIO pins |
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312 | * |
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313 | * @param dev Pointer to device descriptor |
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314 | * @param mask Pins to setup |
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315 | * @param intr Interrupt mode |
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316 | * @return `ESP_OK` on success |
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317 | */ |
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318 | esp_err_t mcp23x17_port_set_interrupt(mcp23x17_t *dev, uint16_t mask, mcp23x17_gpio_intr_t intr); |
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319 | |
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320 | /** |
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321 | * @brief Setup interrupt for GPIO pin |
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322 | * |
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323 | * @param dev Pointer to device descriptor |
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324 | * @param pin Pin number, 0 for PORTA/GPIO0..15 for PORTB/GPIO7 |
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325 | * @param intr Interrupt mode |
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326 | * @return `ESP_OK` on success |
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327 | */ |
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328 | esp_err_t mcp23x17_set_interrupt(mcp23x17_t *dev, uint8_t pin, mcp23x17_gpio_intr_t intr); |
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329 | |
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330 | |
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331 | #ifdef __cplusplus |
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332 | } |
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333 | #endif |
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334 | |
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335 | /**@}*/ |
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336 | |
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337 | #endif /* __MCP23X17_H__ */ |