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
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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 mcp23008.h |
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30 | * @defgroup mcp23008 mcp23008 |
1c9894662795
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31 | * @{ |
1c9894662795
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32 | * |
1c9894662795
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33 | * ESP-IDF driver for I2C 8 bit GPIO expander MCP23008 |
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 __MCP23008_H__ |
1c9894662795
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40 | #define __MCP23008_H__ |
1c9894662795
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41 | |
1c9894662795
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42 | #include <stdbool.h> |
1c9894662795
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43 | #include <i2cdev.h> |
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44 | #include <esp_err.h> |
1c9894662795
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45 | |
1c9894662795
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46 | #define MCP23008_I2C_ADDR_BASE 0x20 |
1c9894662795
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47 | |
1c9894662795
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48 | #ifdef __cplusplus |
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49 | extern "C" { |
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50 | #endif |
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51 | |
1c9894662795
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52 | /** |
1c9894662795
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53 | * GPIO mode |
1c9894662795
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54 | */ |
1c9894662795
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55 | typedef enum |
1c9894662795
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56 | { |
1c9894662795
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57 | MCP23008_GPIO_OUTPUT = 0, |
1c9894662795
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58 | MCP23008_GPIO_INPUT |
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59 | } mcp23008_gpio_mode_t; |
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60 | |
1c9894662795
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61 | /** |
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62 | * INTA/INTB pins mode |
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63 | */ |
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64 | typedef enum |
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65 | { |
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66 | MCP23008_ACTIVE_LOW = 0, //!< Low level on interrupt |
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67 | MCP23008_ACTIVE_HIGH, //!< High level on interrupt |
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68 | MCP23008_OPEN_DRAIN //!< Open drain |
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69 | } mcp23008_int_out_mode_t; |
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70 | |
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71 | /** |
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72 | * Interrupt mode |
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73 | */ |
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74 | typedef enum |
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75 | { |
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76 | MCP23008_INT_DISABLED = 0, //!< No interrupt |
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77 | MCP23008_INT_LOW_EDGE, //!< Interrupt on low edge |
1c9894662795
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78 | MCP23008_INT_HIGH_EDGE, //!< Interrupt on high edge |
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79 | MCP23008_INT_ANY_EDGE //!< Interrupt on any edge |
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80 | } mcp23008_gpio_intr_t; |
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81 | |
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82 | /** |
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83 | * @brief Initialize device descriptor |
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84 | * |
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85 | * default SCL frequency is 1MHz |
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86 | * |
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87 | * @param dev Pointer to I2C device descriptor |
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88 | * @param port I2C port number |
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89 | * @param addr I2C address, |
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90 | * @param sda_gpio SDA GPIO |
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91 | * @param scl_gpio SCL GPIO |
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92 | * @return `ESP_OK` on success |
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93 | */ |
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94 | 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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95 | |
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96 | /** |
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97 | * @brief Free device descriptor |
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98 | * |
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99 | * @param dev Pointer to I2C device descriptor |
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100 | * @return `ESP_OK` on success |
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101 | */ |
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102 | esp_err_t mcp23008_free_desc(i2c_dev_t *dev); |
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103 | |
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104 | /** |
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105 | * @brief Get INT pins mode |
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106 | * |
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107 | * @param dev Pointer to I2C device descriptor |
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108 | * @param[out] mode Buffer to store mode |
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109 | * @return `ESP_OK` on success |
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110 | */ |
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111 | esp_err_t mcp23008_get_int_out_mode(i2c_dev_t *dev, mcp23008_int_out_mode_t *mode); |
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112 | |
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113 | /** |
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114 | * @brief Set INT pins mode |
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115 | * |
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116 | * @param dev Pointer to I2C device descriptor |
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117 | * @param mode INT pins mode |
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118 | * @return `ESP_OK` on success |
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119 | */ |
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120 | esp_err_t mcp23008_set_int_out_mode(i2c_dev_t *dev, mcp23008_int_out_mode_t mode); |
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121 | |
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122 | /** |
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123 | * @brief Get GPIO pins mode |
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124 | * |
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125 | * 0 - output, 1 - input for each bit in `val` |
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126 | * |
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127 | * @param dev Pointer to I2C device descriptor |
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128 | * @param[out] val Buffer to store mode, 0 bit for GPIO0..7 bit for GPIO7 |
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129 | * @return |
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130 | */ |
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131 | esp_err_t mcp23008_port_get_mode(i2c_dev_t *dev, uint8_t *val); |
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132 | |
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133 | /** |
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134 | * @brief Set GPIO pins mode |
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135 | * |
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136 | * 0 - output, 1 - input for each bit in `val` |
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137 | * |
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138 | * @param dev Pointer to I2C device descriptor |
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139 | * @param val Mode, 0 bit for GPIO0..7 bit for GPIO7 |
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140 | * @return `ESP_OK` on success |
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141 | */ |
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142 | esp_err_t mcp23008_port_set_mode(i2c_dev_t *dev, uint8_t val); |
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143 | |
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144 | /** |
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145 | * @brief Get GPIO pullups status |
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146 | * |
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147 | * 0 - pullup disabled, 1 - pullup enabled for each bit in `val` |
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148 | * |
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149 | * @param dev Pointer to I2C device descriptor |
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150 | * @param[out] val Pullup status, 0 bit for GPIO0..7 bit for GPIO7 |
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151 | * @return `ESP_OK` on success |
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152 | */ |
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153 | esp_err_t mcp23008_port_get_pullup(i2c_dev_t *dev, uint8_t *val); |
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154 | |
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155 | /** |
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156 | * @brief Set GPIO pullups status |
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157 | * |
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158 | * 0 - pullup disabled, 1 - pullup enabled for each bit in `val` |
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159 | * |
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160 | * @param dev Pointer to I2C device descriptor |
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161 | * @param val Pullup status, 0 bit for GPIO0..7 bit for GPIO7 |
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162 | * @return `ESP_OK` on success |
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163 | */ |
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164 | esp_err_t mcp23008_port_set_pullup(i2c_dev_t *dev, uint8_t val); |
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165 | |
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166 | /** |
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167 | * @brief Read GPIO port value |
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168 | * |
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169 | * @param dev Pointer to I2C device descriptor |
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170 | * @param[out] val 8-bit GPIO port value, 0 bit for GPIO0..7 bit for GPIO7 |
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171 | * @return `ESP_OK` on success |
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172 | */ |
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173 | esp_err_t mcp23008_port_read(i2c_dev_t *dev, uint8_t *val); |
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174 | |
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175 | /** |
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176 | * @brief Write value to GPIO port |
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177 | * |
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178 | * @param dev Pointer to I2C device descriptor |
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179 | * @param val GPIO port value, 0 bit for GPIO0..7 bit for GPIO7 |
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180 | * @return `ESP_OK` on success |
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181 | */ |
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182 | esp_err_t mcp23008_port_write(i2c_dev_t *dev, uint8_t val); |
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183 | |
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184 | /** |
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185 | * @brief Get GPIO pin mode |
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186 | * |
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187 | * @param dev Pointer to I2C device descriptor |
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188 | * @param pin Pin number, 0..7 |
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189 | * @param[out] mode GPIO pin mode |
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190 | * @return `ESP_OK` on success |
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191 | */ |
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192 | esp_err_t mcp23008_get_mode(i2c_dev_t *dev, uint8_t pin, mcp23008_gpio_mode_t *mode); |
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193 | |
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194 | /** |
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195 | * @brief Set GPIO pin mode |
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196 | * |
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197 | * @param dev Pointer to I2C device descriptor |
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198 | * @param pin Pin number, 0..7 |
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199 | * @param mode GPIO pin mode |
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200 | * @return `ESP_OK` on success |
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201 | */ |
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202 | esp_err_t mcp23008_set_mode(i2c_dev_t *dev, uint8_t pin, mcp23008_gpio_mode_t mode); |
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203 | |
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204 | /** |
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205 | * @brief Get pullup mode of GPIO pin |
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206 | * |
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207 | * @param dev Pointer to I2C device descriptor |
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208 | * @param pin Pin number, 0..7 |
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209 | * @param[out] enable pullup mode |
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210 | * @return `ESP_OK` on success |
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211 | */ |
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212 | esp_err_t mcp23008_get_pullup(i2c_dev_t *dev, uint8_t pin, bool *enable); |
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213 | |
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214 | /** |
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215 | * @brief Set pullup mode of GPIO pin |
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216 | * |
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217 | * @param dev Pointer to I2C device descriptor |
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218 | * @param pin Pin number, 0..7 |
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219 | * @param enable `true` to enable pullup |
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220 | * @return `ESP_OK` on success |
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221 | */ |
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222 | esp_err_t mcp23008_set_pullup(i2c_dev_t *dev, uint8_t pin, bool enable); |
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223 | |
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224 | /** |
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225 | * @brief Read GPIO pin level |
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226 | * |
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227 | * @param dev Pointer to I2C device descriptor |
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228 | * @param pin Pin number, 0..7 |
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229 | * @param[out] val `true` if pin currently in high state |
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230 | * @return `ESP_OK` on success |
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231 | */ |
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232 | esp_err_t mcp23008_get_level(i2c_dev_t *dev, uint8_t pin, uint32_t *val); |
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233 | |
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234 | /** |
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235 | * @brief Set GPIO pin level |
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236 | * |
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237 | * Pin must be set up as output. |
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238 | * |
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239 | * @param dev Pointer to I2C device descriptor |
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240 | * @param pin Pin number, 0..7 |
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241 | * @param[out] val `true` if pin currently in high state |
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242 | * @return `ESP_OK` on success |
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243 | */ |
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244 | esp_err_t mcp23008_set_level(i2c_dev_t *dev, uint8_t pin, uint32_t val); |
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245 | |
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246 | /** |
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247 | * @brief Setup interrupt for group of GPIO pins |
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248 | * |
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249 | * @param dev Pointer to I2C device descriptor |
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250 | * @param mask Pins to setup |
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251 | * @param intr Interrupt mode |
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252 | * @return `ESP_OK` on success |
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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 | /** |
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257 | * @brief Setup interrupt for GPIO pin |
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258 | * |
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259 | * @param dev Pointer to I2C device descriptor |
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260 | * @param pin Pin number, 0..7 |
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261 | * @param intr Interrupt mode |
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262 | * @return `ESP_OK` on success |
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263 | */ |
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264 | esp_err_t mcp23008_set_interrupt(i2c_dev_t *dev, uint8_t pin, mcp23008_gpio_intr_t intr); |
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265 | |
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266 | |
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267 | #ifdef __cplusplus |
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268 | } |
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269 | #endif |
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270 | |
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271 | /**@}*/ |
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272 | |
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273 | #endif /* __MCP23008_H__ */ |