Mon, 03 Apr 2023 20:11:29 +0200
Changed voltage range to 32 volt. Tried INA219 powersave mode, doesn't work.
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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) 2021 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
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
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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 pca9557.h |
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30 | * @defgroup pca9557 pca9557 |
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31 | * @{ |
1c9894662795
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32 | * |
1c9894662795
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33 | * ESP-IDF driver for PCA9537/PCA9557/TCA9534 remote 4/8-bit I/O expanders for I2C-bus |
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34 | * |
1c9894662795
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35 | * Copyright (c) 2021 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 | */ |
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39 | #ifndef __PCA9557_H__ |
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40 | #define __PCA9557_H__ |
1c9894662795
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41 | |
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42 | #include <stddef.h> |
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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 | #ifdef __cplusplus |
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47 | extern "C" { |
1c9894662795
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48 | #endif |
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49 | |
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50 | #define PCA9537_I2C_ADDR 0x49 ///< I2C address for PCA9537 |
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51 | #define PCA9557_I2C_ADDR_BASE 0x18 ///< Base I2C address for PCA9557 |
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52 | #define TCA9534_I2C_ADDR_BASE 0x20 ///< Base I2C address for TCA9534 |
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53 | |
1c9894662795
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54 | /** |
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55 | * Pin modes (directions) |
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56 | */ |
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57 | typedef enum { |
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58 | PCA9557_MODE_OUTPUT = 0, |
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59 | PCA9557_MODE_INPUT, |
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60 | } pca9557_mode_t; |
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61 | |
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62 | /** |
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63 | * @brief Initialize device descriptor |
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64 | * |
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65 | * Default SCL frequency is 400kHz |
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66 | * |
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67 | * @param dev Pointer to I2C device descriptor |
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68 | * @param port I2C port number |
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69 | * @param addr I2C address (`0b0011<A2><A1><A0>` for PCA9557/`PCA9537_I2C_ADDR` for PCA9537, `TCA9534_I2C_ADDR_BASE` for TCA9534) |
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70 | * @param sda_gpio SDA GPIO |
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71 | * @param scl_gpio SCL GPIO |
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72 | * @return `ESP_OK` on success |
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73 | */ |
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74 | esp_err_t pca9557_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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75 | |
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76 | /** |
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77 | * @brief Free device descriptor |
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78 | * |
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79 | * @param dev Pointer to I2C device descriptor |
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80 | * @return `ESP_OK` on success |
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81 | */ |
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82 | esp_err_t pca9557_free_desc(i2c_dev_t *dev); |
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83 | |
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84 | /** |
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85 | * @brief Get directions of I/O pins |
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86 | * |
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87 | * 0 - output, 1 - input for each bit in `mode` |
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88 | * |
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89 | * @param dev Pointer to device descriptor |
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90 | * @param[out] mode I/O directions |
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91 | * @return `ESP_OK` on success |
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92 | */ |
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93 | esp_err_t pca9557_port_get_mode(i2c_dev_t *dev, uint8_t *mode); |
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94 | |
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95 | /** |
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96 | * @brief Set directions of I/O pins |
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97 | * |
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98 | * 0 - output, 1 - input for each bit in `mode` |
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99 | * |
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100 | * @param dev Pointer to device descriptor |
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101 | * @param mode I/O directions |
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102 | * @return `ESP_OK` on success |
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103 | */ |
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104 | esp_err_t pca9557_port_set_mode(i2c_dev_t *dev, uint8_t mode); |
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105 | |
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106 | /** |
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107 | * @brief Get input polarity settings |
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108 | * |
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109 | * 0 - normal input polarity, 1 - inverted for each bit in `pol` |
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110 | * |
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111 | * @param dev Pointer to device descriptor |
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112 | * @param[out] pol Input polarity settings |
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113 | * @return `ESP_OK` on success |
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114 | */ |
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115 | esp_err_t pca9557_port_get_polarity(i2c_dev_t *dev, uint8_t *pol); |
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116 | |
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117 | /** |
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118 | * @brief Set input polarity settings |
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119 | * |
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120 | * 0 - normal input polarity, 1 - inverted for each bit in `pol` |
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121 | * |
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122 | * @param dev Pointer to device descriptor |
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123 | * @param pol Input polarity settings |
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124 | * @return `ESP_OK` on success |
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125 | */ |
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126 | esp_err_t pca9557_port_set_polarity(i2c_dev_t *dev, uint8_t pol); |
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127 | |
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128 | /** |
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129 | * @brief Read I/O port value |
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130 | * |
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131 | * @param dev Pointer to I2C device descriptor |
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132 | * @param[out] val 8-bit GPIO port value for PCA9557 or 4-bit port value for PCA9537 |
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133 | * @return `ESP_OK` on success |
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134 | */ |
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135 | esp_err_t pca9557_port_read(i2c_dev_t *dev, uint8_t *val); |
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136 | |
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137 | /** |
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138 | * @brief Write value to I/O port |
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139 | * |
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140 | * @param dev Pointer to I2C device descriptor |
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141 | * @param val 8-bit GPIO port value for PCA9557 or 4-bit port value for PCA9537 |
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142 | * @return ESP_OK on success |
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143 | */ |
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144 | esp_err_t pca9557_port_write(i2c_dev_t *dev, uint8_t val); |
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145 | |
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146 | /** |
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147 | * @brief Read I/O pin mode |
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148 | * |
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149 | * @param dev Pointer to device descriptor |
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150 | * @param pin Pin number, 0..7 for PCA9557, 0..3 for PC9537 |
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151 | * @param[out] mode Pin mode |
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152 | * @return `ESP_OK` on success |
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153 | */ |
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154 | esp_err_t pca9557_get_mode(i2c_dev_t *dev, uint8_t pin, pca9557_mode_t *mode); |
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155 | |
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156 | /** |
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157 | * @brief Set I/O pin mode |
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158 | * |
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159 | * @param dev Pointer to device descriptor |
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160 | * @param pin Pin number, 0..7 for PCA9557, 0..3 for PC9537 |
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161 | * @param mode Pin mode |
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162 | * @return `ESP_OK` on success |
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163 | */ |
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164 | esp_err_t pca9557_set_mode(i2c_dev_t *dev, uint8_t pin, pca9557_mode_t mode); |
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165 | |
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166 | /** |
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167 | * @brief Read I/O pin level |
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168 | * |
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169 | * @param dev Pointer to device descriptor |
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170 | * @param pin Pin number, 0..7 for PCA9557, 0..3 for PC9537 |
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171 | * @param[out] val 1 if pin currently in high state, 0 otherwise |
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172 | * @return `ESP_OK` on success |
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173 | */ |
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174 | esp_err_t pca9557_get_level(i2c_dev_t *dev, uint8_t pin, uint32_t *val); |
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175 | |
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176 | /** |
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177 | * @brief Set I/O pin level |
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178 | * |
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179 | * Pin must be set up as output |
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180 | * |
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181 | * @param dev Pointer to device descriptor |
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182 | * @param pin Pin number, 0..7 for PCA9557, 0..3 for PC9537 |
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183 | * @param val Pin level. 1 - high, 0 - low |
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184 | * @return `ESP_OK` on success |
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185 | */ |
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186 | esp_err_t pca9557_set_level(i2c_dev_t *dev, uint8_t pin, uint32_t val); |
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187 | |
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188 | #ifdef __cplusplus |
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189 | } |
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190 | #endif |
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191 | |
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192 | /**@}*/ |
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193 | |
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194 | #endif /* __PCA9557_H__ */ |