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1 /**
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2 ******************************************************************************
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3 * @file stm32f1xx_hal_gpio.h
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4 * @author MCD Application Team
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5 * @version V1.0.4
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6 * @date 29-April-2016
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7 * @brief Header file of GPIO HAL module.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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12 *
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13 * Redistribution and use in source and binary forms, with or without modification,
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14 * are permitted provided that the following conditions are met:
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15 * 1. Redistributions of source code must retain the above copyright notice,
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16 * this list of conditions and the following disclaimer.
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17 * 2. Redistributions in binary form must reproduce the above copyright notice,
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18 * this list of conditions and the following disclaimer in the documentation
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19 * and/or other materials provided with the distribution.
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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21 * may be used to endorse or promote products derived from this software
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22 * without specific prior written permission.
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23 *
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 ******************************************************************************
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36 */
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37
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38 /* Define to prevent recursive inclusion -------------------------------------*/
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39 #ifndef __STM32F1xx_HAL_GPIO_H
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40 #define __STM32F1xx_HAL_GPIO_H
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 /* Includes ------------------------------------------------------------------*/
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47 #include "stm32f1xx_hal_def.h"
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48
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49 /** @addtogroup STM32F1xx_HAL_Driver
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50 * @{
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51 */
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52
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53 /** @addtogroup GPIO
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54 * @{
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55 */
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56
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57 /* Exported types ------------------------------------------------------------*/
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58 /** @defgroup GPIO_Exported_Types GPIO Exported Types
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59 * @{
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60 */
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61
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62 /**
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63 * @brief GPIO Init structure definition
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64 */
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65 typedef struct
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66 {
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67 uint32_t Pin; /*!< Specifies the GPIO pins to be configured.
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68 This parameter can be any value of @ref GPIO_pins_define */
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69
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70 uint32_t Mode; /*!< Specifies the operating mode for the selected pins.
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71 This parameter can be a value of @ref GPIO_mode_define */
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72
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73 uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
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74 This parameter can be a value of @ref GPIO_pull_define */
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75
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76 uint32_t Speed; /*!< Specifies the speed for the selected pins.
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77 This parameter can be a value of @ref GPIO_speed_define */
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78 }GPIO_InitTypeDef;
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79
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80 /**
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81 * @brief GPIO Bit SET and Bit RESET enumeration
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82 */
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83 typedef enum
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84 {
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85 GPIO_PIN_RESET = 0,
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86 GPIO_PIN_SET
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87 }GPIO_PinState;
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88
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89 /**
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90 * @}
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91 */
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92
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93
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94 /* Exported constants --------------------------------------------------------*/
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95
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96 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
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97 * @{
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98 */
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99
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100 /** @defgroup GPIO_pins_define GPIO pins define
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101 * @{
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102 */
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103 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
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104 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
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105 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
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106 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
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107 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
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108 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
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109 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
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110 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
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111 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
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112 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
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113 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
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114 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
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115 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
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116 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
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117 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
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118 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
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119 #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
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120
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121 #define GPIO_PIN_MASK ((uint32_t)0x0000FFFF) /* PIN mask for assert test */
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122 /**
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123 * @}
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124 */
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125
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126
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127 /** @defgroup GPIO_mode_define GPIO mode define
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128 * @brief GPIO Configuration Mode
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129 * Elements values convention: 0xX0yz00YZ
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130 * - X : GPIO mode or EXTI Mode
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131 * - y : External IT or Event trigger detection
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132 * - z : IO configuration on External IT or Event
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133 * - Y : Output type (Push Pull or Open Drain)
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134 * - Z : IO Direction mode (Input, Output, Alternate or Analog)
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135 * @{
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136 */
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137 #define GPIO_MODE_INPUT ((uint32_t)0x00000000) /*!< Input Floating Mode */
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138 #define GPIO_MODE_OUTPUT_PP ((uint32_t)0x00000001) /*!< Output Push Pull Mode */
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139 #define GPIO_MODE_OUTPUT_OD ((uint32_t)0x00000011) /*!< Output Open Drain Mode */
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140 #define GPIO_MODE_AF_PP ((uint32_t)0x00000002) /*!< Alternate Function Push Pull Mode */
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141 #define GPIO_MODE_AF_OD ((uint32_t)0x00000012) /*!< Alternate Function Open Drain Mode */
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142 #define GPIO_MODE_AF_INPUT GPIO_MODE_INPUT /*!< Alternate Function Input Mode */
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143
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144 #define GPIO_MODE_ANALOG ((uint32_t)0x00000003) /*!< Analog Mode */
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145
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146 #define GPIO_MODE_IT_RISING ((uint32_t)0x10110000) /*!< External Interrupt Mode with Rising edge trigger detection */
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147 #define GPIO_MODE_IT_FALLING ((uint32_t)0x10210000) /*!< External Interrupt Mode with Falling edge trigger detection */
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148 #define GPIO_MODE_IT_RISING_FALLING ((uint32_t)0x10310000) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
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149
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150 #define GPIO_MODE_EVT_RISING ((uint32_t)0x10120000) /*!< External Event Mode with Rising edge trigger detection */
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151 #define GPIO_MODE_EVT_FALLING ((uint32_t)0x10220000) /*!< External Event Mode with Falling edge trigger detection */
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152 #define GPIO_MODE_EVT_RISING_FALLING ((uint32_t)0x10320000) /*!< External Event Mode with Rising/Falling edge trigger detection */
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153
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154 /**
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155 * @}
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156 */
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157
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158
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159 /** @defgroup GPIO_speed_define GPIO speed define
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160 * @brief GPIO Output Maximum frequency
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161 * @{
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162 */
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163 #define GPIO_SPEED_FREQ_LOW (GPIO_CRL_MODE0_1) /*!< Low speed */
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164 #define GPIO_SPEED_FREQ_MEDIUM (GPIO_CRL_MODE0_0) /*!< Medium speed */
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165 #define GPIO_SPEED_FREQ_HIGH (GPIO_CRL_MODE0) /*!< High speed */
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166
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167 /**
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168 * @}
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169 */
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170
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171
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172 /** @defgroup GPIO_pull_define GPIO pull define
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173 * @brief GPIO Pull-Up or Pull-Down Activation
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174 * @{
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175 */
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176 #define GPIO_NOPULL ((uint32_t)0x00000000) /*!< No Pull-up or Pull-down activation */
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177 #define GPIO_PULLUP ((uint32_t)0x00000001) /*!< Pull-up activation */
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178 #define GPIO_PULLDOWN ((uint32_t)0x00000002) /*!< Pull-down activation */
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179
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180 /**
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181 * @}
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182 */
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183
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184 /**
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185 * @}
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186 */
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187
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188
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189 /* Private macros --------------------------------------------------------*/
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190 /** @addtogroup GPIO_Private_Macros
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191 * @{
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192 */
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193
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194 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
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195
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196 #define IS_GPIO_PIN(PIN) (((PIN) & GPIO_PIN_MASK ) != (uint32_t)0x00)
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197
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198 #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \
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199 ((PULL) == GPIO_PULLDOWN))
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200
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201 #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || \
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202 ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || ((SPEED) == GPIO_SPEED_FREQ_HIGH))
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203
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204 #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\
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205 ((MODE) == GPIO_MODE_OUTPUT_PP) ||\
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206 ((MODE) == GPIO_MODE_OUTPUT_OD) ||\
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207 ((MODE) == GPIO_MODE_AF_PP) ||\
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208 ((MODE) == GPIO_MODE_AF_OD) ||\
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209 ((MODE) == GPIO_MODE_IT_RISING) ||\
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210 ((MODE) == GPIO_MODE_IT_FALLING) ||\
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211 ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\
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212 ((MODE) == GPIO_MODE_EVT_RISING) ||\
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213 ((MODE) == GPIO_MODE_EVT_FALLING) ||\
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214 ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\
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215 ((MODE) == GPIO_MODE_ANALOG))
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216
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217 /**
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218 * @}
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219 */
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220
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221
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222 /* Exported macro ------------------------------------------------------------*/
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223 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
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224 * @{
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225 */
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226
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227 /**
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228 * @brief Checks whether the specified EXTI line flag is set or not.
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229 * @param __EXTI_LINE__: specifies the EXTI line flag to check.
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230 * This parameter can be GPIO_PIN_x where x can be(0..15)
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231 * @retval The new state of __EXTI_LINE__ (SET or RESET).
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232 */
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233 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
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234
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235 /**
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236 * @brief Clears the EXTI's line pending flags.
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237 * @param __EXTI_LINE__: specifies the EXTI lines flags to clear.
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238 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
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239 * @retval None
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240 */
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241 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
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242
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243 /**
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244 * @brief Checks whether the specified EXTI line is asserted or not.
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245 * @param __EXTI_LINE__: specifies the EXTI line to check.
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246 * This parameter can be GPIO_PIN_x where x can be(0..15)
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247 * @retval The new state of __EXTI_LINE__ (SET or RESET).
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248 */
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249 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
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250
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251 /**
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252 * @brief Clears the EXTI's line pending bits.
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253 * @param __EXTI_LINE__: specifies the EXTI lines to clear.
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254 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
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255 * @retval None
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256 */
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257 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
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258
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259 /**
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260 * @brief Generates a Software interrupt on selected EXTI line.
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261 * @param __EXTI_LINE__: specifies the EXTI line to check.
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262 * This parameter can be GPIO_PIN_x where x can be(0..15)
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263 * @retval None
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264 */
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265 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__))
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266
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267 /* Include GPIO HAL Extension module */
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268 #include "stm32f1xx_hal_gpio_ex.h"
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269
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270 /**
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271 * @}
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272 */
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273
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274
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275
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276 /* Exported functions --------------------------------------------------------*/
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277 /* Initialization and de-initialization functions *******************************/
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278 /** @addtogroup GPIO_Exported_Functions
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279 * @{
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280 */
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281
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282 /** @addtogroup GPIO_Exported_Functions_Group1
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283 * @{
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284 */
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285 void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init);
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286 void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin);
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287 /**
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288 * @}
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289 */
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290
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291 /* IO operation functions *******************************************************/
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292 /** @addtogroup GPIO_Exported_Functions_Group2
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293 * @{
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294 */
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295 GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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296 void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
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297 void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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298 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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299 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
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300 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);
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301 /**
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302 * @}
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303 */
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304
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305 /**
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306 * @}
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307 */
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308
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309 /**
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310 * @}
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311 */
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312
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313 /**
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314 * @}
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315 */
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316
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317
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318 #ifdef __cplusplus
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319 }
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320 #endif
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321
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322 #endif /* __STM32F1xx_HAL_GPIO_H */
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323
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324 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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