1 | /* |
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2 | * Copyright (c) 2012 Sebastian Huber. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Obere Lagerstr. 30 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.com/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifndef LIBBSP_ARM_STM32F4_IO_H |
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16 | #define LIBBSP_ARM_STM32F4_IO_H |
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17 | |
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18 | #include <stdbool.h> |
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19 | #include <stdint.h> |
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20 | #include <bspopts.h> |
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21 | |
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22 | #ifdef __cplusplus |
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23 | extern "C" { |
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24 | #endif /* __cplusplus */ |
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25 | |
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26 | #define STM32F4_GPIO_PIN(port, index) ((((port) << 4) | (index)) & 0xff) |
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27 | |
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28 | #define STM32F4_GPIO_PORT_OF_PIN(pin) (((pin) >> 4) & 0xf) |
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29 | |
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30 | #define STM32F4_GPIO_INDEX_OF_PIN(pin) ((pin) & 0xf) |
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31 | |
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32 | #ifdef STM32F4_FAMILY_F4XXXX |
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33 | |
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34 | typedef enum { |
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35 | STM32F4_GPIO_MODE_INPUT, |
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36 | STM32F4_GPIO_MODE_OUTPUT, |
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37 | STM32F4_GPIO_MODE_AF, |
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38 | STM32F4_GPIO_MODE_ANALOG |
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39 | } stm32f4_gpio_mode; |
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40 | |
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41 | typedef enum { |
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42 | STM32F4_GPIO_OTYPE_PUSH_PULL, |
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43 | STM32F4_GPIO_OTYPE_OPEN_DRAIN |
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44 | } stm32f4_gpio_otype; |
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45 | |
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46 | typedef enum { |
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47 | STM32F4_GPIO_OSPEED_2_MHZ, |
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48 | STM32F4_GPIO_OSPEED_25_MHZ, |
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49 | STM32F4_GPIO_OSPEED_50_MHZ, |
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50 | STM32F4_GPIO_OSPEED_100_MHZ |
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51 | } stm32f4_gpio_ospeed; |
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52 | |
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53 | typedef enum { |
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54 | STM32F4_GPIO_NO_PULL, |
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55 | STM32F4_GPIO_PULL_UP, |
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56 | STM32F4_GPIO_PULL_DOWN |
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57 | } stm32f4_gpio_pull; |
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58 | |
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59 | typedef enum { |
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60 | STM32F4_GPIO_AF_SYSTEM = 0, |
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61 | STM32F4_GPIO_AF_TIM1 = 1, |
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62 | STM32F4_GPIO_AF_TIM2 = 1, |
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63 | STM32F4_GPIO_AF_TIM3 = 2, |
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64 | STM32F4_GPIO_AF_TIM4 = 2, |
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65 | STM32F4_GPIO_AF_TIM5 = 2, |
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66 | STM32F4_GPIO_AF_TIM8 = 3, |
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67 | STM32F4_GPIO_AF_TIM9 = 3, |
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68 | STM32F4_GPIO_AF_TIM10 = 3, |
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69 | STM32F4_GPIO_AF_TIM11 = 3, |
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70 | STM32F4_GPIO_AF_I2C1 = 4, |
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71 | STM32F4_GPIO_AF_I2C2 = 4, |
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72 | STM32F4_GPIO_AF_I2C3 = 4, |
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73 | STM32F4_GPIO_AF_SPI1 = 5, |
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74 | STM32F4_GPIO_AF_SPI2 = 5, |
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75 | STM32F4_GPIO_AF_SPI3 = 6, |
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76 | STM32F4_GPIO_AF_USART1 = 7, |
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77 | STM32F4_GPIO_AF_USART2 = 7, |
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78 | STM32F4_GPIO_AF_USART3 = 7, |
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79 | STM32F4_GPIO_AF_UART4 = 8, |
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80 | STM32F4_GPIO_AF_UART5 = 8, |
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81 | STM32F4_GPIO_AF_USART6 = 8, |
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82 | STM32F4_GPIO_AF_CAN1 = 9, |
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83 | STM32F4_GPIO_AF_CAN2 = 9, |
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84 | STM32F4_GPIO_AF_TIM12 = 9, |
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85 | STM32F4_GPIO_AF_TIM13 = 9, |
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86 | STM32F4_GPIO_AF_TIM14 = 9, |
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87 | STM32F4_GPIO_AF_OTG_FS = 10, |
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88 | STM32F4_GPIO_AF_OTG_HS = 10, |
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89 | STM32F4_GPIO_AF_ETH = 11, |
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90 | STM32F4_GPIO_AF_FSMC = 12, |
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91 | STM32F4_GPIO_AF_OTG_HS_FS = 12, |
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92 | STM32F4_GPIO_AF_SDIO = 12, |
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93 | STM32F4_GPIO_AF_DCMI = 13, |
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94 | STM32F4_GPIO_AF_EVENTOUT = 15 |
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95 | } stm32f4_gpio_af; |
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96 | |
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97 | typedef union { |
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98 | struct { |
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99 | uint32_t pin_first : 8; |
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100 | uint32_t pin_last : 8; |
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101 | uint32_t mode : 2; |
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102 | uint32_t otype : 1; |
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103 | uint32_t ospeed : 2; |
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104 | uint32_t pupd : 2; |
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105 | uint32_t output : 1; |
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106 | uint32_t af : 4; |
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107 | uint32_t reserved : 4; |
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108 | } fields; |
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109 | |
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110 | uint32_t value; |
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111 | } stm32f4_gpio_config; |
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112 | |
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113 | #define STM32F4_GPIO_CONFIG_TERMINAL \ |
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114 | { { 0xff, 0xff, 0x3, 0x1, 0x3, 0x3, 0x1, 0xf, 0xf } } |
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115 | |
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116 | #endif /* STM32F4_FAMILY_F4XXXX */ |
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117 | #ifdef STM32F4_FAMILY_F10XXX |
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118 | |
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119 | typedef enum { |
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120 | STM32F4_GPIO_MODE_INPUT, |
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121 | STM32F4_GPIO_MODE_OUTPUT_10MHz, |
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122 | STM32F4_GPIO_MODE_OUTPUT_2MHz, |
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123 | STM32F4_GPIO_MODE_OUTPUT_50MHz |
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124 | } stm32f4_gpio_mode; |
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125 | |
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126 | typedef enum { |
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127 | STM32F4_GPIO_CNF_IN_ANALOG = 0, |
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128 | STM32F4_GPIO_CNF_IN_FLOATING = 1, |
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129 | STM32F4_GPIO_CNF_IN_PULL_UPDOWN = 2, |
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130 | |
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131 | STM32F4_GPIO_CNF_OUT_GPIO_PP = 0, |
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132 | STM32F4_GPIO_CNF_OUT_GPIO_OD = 1, |
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133 | STM32F4_GPIO_CNF_OUT_AF_PP = 2, |
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134 | STM32F4_GPIO_CNF_OUT_AF_OD = 3, |
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135 | } stm32f4_gpio_cnf; |
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136 | |
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137 | typedef enum { |
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138 | STM32F4_GPIO_REMAP_DONT_CHANGE, |
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139 | STM32F4_GPIO_REMAP_SPI1_0, |
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140 | STM32F4_GPIO_REMAP_SPI1_1, |
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141 | STM32F4_GPIO_REMAP_I2C1_0, |
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142 | STM32F4_GPIO_REMAP_I2C1_1, |
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143 | STM32F4_GPIO_REMAP_USART1_0, |
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144 | STM32F4_GPIO_REMAP_USART1_1, |
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145 | STM32F4_GPIO_REMAP_USART2_0, |
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146 | STM32F4_GPIO_REMAP_USART2_1, |
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147 | STM32F4_GPIO_REMAP_USART3_0, |
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148 | STM32F4_GPIO_REMAP_USART3_1, |
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149 | STM32F4_GPIO_REMAP_USART3_3, |
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150 | STM32F4_GPIO_REMAP_TIM1_0, |
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151 | STM32F4_GPIO_REMAP_TIM1_1, |
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152 | STM32F4_GPIO_REMAP_TIM1_3, |
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153 | STM32F4_GPIO_REMAP_TIM2_0, |
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154 | STM32F4_GPIO_REMAP_TIM2_1, |
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155 | STM32F4_GPIO_REMAP_TIM2_2, |
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156 | STM32F4_GPIO_REMAP_TIM2_3, |
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157 | STM32F4_GPIO_REMAP_TIM3_0, |
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158 | STM32F4_GPIO_REMAP_TIM3_2, |
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159 | STM32F4_GPIO_REMAP_TIM3_3, |
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160 | STM32F4_GPIO_REMAP_TIM4_0, |
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161 | STM32F4_GPIO_REMAP_TIM4_1, |
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162 | STM32F4_GPIO_REMAP_CAN1_0, |
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163 | STM32F4_GPIO_REMAP_CAN1_2, |
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164 | STM32F4_GPIO_REMAP_CAN1_3, |
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165 | STM32F4_GPIO_REMAP_PD01_0, |
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166 | STM32F4_GPIO_REMAP_PD01_1, |
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167 | STM32F4_GPIO_REMAP_TIM5CH4_0, |
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168 | STM32F4_GPIO_REMAP_TIM5CH4_1, |
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169 | STM32F4_GPIO_REMAP_ADC1_ETRGINJ_0, |
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170 | STM32F4_GPIO_REMAP_ADC1_ETRGINJ_1, |
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171 | STM32F4_GPIO_REMAP_ADC1_ETRGREG_0, |
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172 | STM32F4_GPIO_REMAP_ADC1_ETRGREG_1, |
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173 | STM32F4_GPIO_REMAP_ADC2_ETRGINJ_0, |
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174 | STM32F4_GPIO_REMAP_ADC2_ETRGINJ_1, |
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175 | STM32F4_GPIO_REMAP_ADC2_ETRGREG_0, |
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176 | STM32F4_GPIO_REMAP_ADC2_ETRGREG_1, |
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177 | STM32F4_GPIO_REMAP_ETH_0, |
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178 | STM32F4_GPIO_REMAP_ETH_1, |
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179 | STM32F4_GPIO_REMAP_CAN2_0, |
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180 | STM32F4_GPIO_REMAP_CAN2_1, |
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181 | STM32F4_GPIO_REMAP_MII_RMII_0, |
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182 | STM32F4_GPIO_REMAP_MII_RMII_1, |
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183 | STM32F4_GPIO_REMAP_SWJ_0, |
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184 | STM32F4_GPIO_REMAP_SWJ_1, |
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185 | STM32F4_GPIO_REMAP_SWJ_2, |
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186 | STM32F4_GPIO_REMAP_SWJ_4, |
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187 | STM32F4_GPIO_REMAP_SPI3_0, |
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188 | STM32F4_GPIO_REMAP_SPI3_1, |
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189 | STM32F4_GPIO_REMAP_TIM2ITR1_0, |
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190 | STM32F4_GPIO_REMAP_TIM2ITR1_1, |
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191 | STM32F4_GPIO_REMAP_PTP_PPS_0, |
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192 | STM32F4_GPIO_REMAP_PTP_PPS_1, |
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193 | STM32F4_GPIO_REMAP_TIM15_0, |
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194 | STM32F4_GPIO_REMAP_TIM15_1, |
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195 | STM32F4_GPIO_REMAP_TIM16_0, |
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196 | STM32F4_GPIO_REMAP_TIM16_1, |
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197 | STM32F4_GPIO_REMAP_TIM17_0, |
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198 | STM32F4_GPIO_REMAP_TIM17_1, |
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199 | STM32F4_GPIO_REMAP_CEC_0, |
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200 | STM32F4_GPIO_REMAP_CEC_1, |
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201 | STM32F4_GPIO_REMAP_TIM1_DMA_0, |
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202 | STM32F4_GPIO_REMAP_TIM1_DMA_1, |
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203 | STM32F4_GPIO_REMAP_TIM9_0, |
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204 | STM32F4_GPIO_REMAP_TIM9_1, |
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205 | STM32F4_GPIO_REMAP_TIM10_0, |
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206 | STM32F4_GPIO_REMAP_TIM10_1, |
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207 | STM32F4_GPIO_REMAP_TIM11_0, |
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208 | STM32F4_GPIO_REMAP_TIM11_1, |
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209 | STM32F4_GPIO_REMAP_TIM13_0, |
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210 | STM32F4_GPIO_REMAP_TIM13_1, |
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211 | STM32F4_GPIO_REMAP_TIM14_0, |
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212 | STM32F4_GPIO_REMAP_TIM14_1, |
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213 | STM32F4_GPIO_REMAP_FSMC_0, |
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214 | STM32F4_GPIO_REMAP_FSMC_1, |
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215 | STM32F4_GPIO_REMAP_TIM67_DAC_DMA_0, |
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216 | STM32F4_GPIO_REMAP_TIM67_DAC_DMA_1, |
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217 | STM32F4_GPIO_REMAP_TIM12_0, |
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218 | STM32F4_GPIO_REMAP_TIM12_1, |
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219 | STM32F4_GPIO_REMAP_MISC_0, |
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220 | STM32F4_GPIO_REMAP_MISC_1, |
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221 | } stm32f4_gpio_remap; |
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222 | |
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223 | typedef union { |
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224 | struct { |
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225 | uint32_t pin_first : 8; |
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226 | uint32_t pin_last : 8; |
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227 | uint32_t mode : 2; |
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228 | uint32_t cnf : 2; |
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229 | uint32_t output : 1; |
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230 | uint32_t remap : 8; |
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231 | uint32_t reserved : 3; |
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232 | } fields; |
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233 | |
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234 | uint32_t value; |
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235 | } stm32f4_gpio_config; |
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236 | |
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237 | #define STM32F4_GPIO_CONFIG_TERMINAL \ |
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238 | { { 0xff, 0xff, 0x3, 0x3, 0x1, 0xff, 0x7 } } |
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239 | |
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240 | #endif /* STM32F4_FAMILY_F10XXX */ |
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241 | |
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242 | extern const stm32f4_gpio_config stm32f4_start_config_gpio []; |
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243 | |
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244 | void stm32f4_gpio_set_clock(int pin, bool set); |
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245 | |
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246 | void stm32f4_gpio_set_config(const stm32f4_gpio_config *config); |
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247 | |
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248 | /** |
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249 | * @brief Sets the GPIO configuration of an array terminated by |
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250 | * STM32F4_GPIO_CONFIG_TERMINAL. |
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251 | */ |
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252 | void stm32f4_gpio_set_config_array(const stm32f4_gpio_config *configs); |
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253 | |
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254 | void stm32f4_gpio_set_output(int pin, bool set); |
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255 | |
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256 | bool stm32f4_gpio_get_input(int pin); |
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257 | |
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258 | #ifdef STM32F4_FAMILY_F4XXXX |
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259 | |
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260 | #define STM32F4_PIN_USART(port, idx, altfunc) \ |
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261 | { \ |
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262 | { \ |
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263 | .pin_first = STM32F4_GPIO_PIN(port, idx), \ |
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264 | .pin_last = STM32F4_GPIO_PIN(port, idx), \ |
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265 | .mode = STM32F4_GPIO_MODE_AF, \ |
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266 | .otype = STM32F4_GPIO_OTYPE_PUSH_PULL, \ |
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267 | .ospeed = STM32F4_GPIO_OSPEED_2_MHZ, \ |
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268 | .pupd = STM32F4_GPIO_PULL_UP, \ |
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269 | .af = altfunc \ |
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270 | } \ |
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271 | } |
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272 | |
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273 | #define STM32F4_PIN_USART1_TX_PA9 STM32F4_PIN_USART(0, 9, STM32F4_GPIO_AF_USART1) |
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274 | #define STM32F4_PIN_USART1_TX_PB6 STM32F4_PIN_USART(1, 6, STM32F4_GPIO_AF_USART1) |
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275 | #define STM32F4_PIN_USART1_RX_PA10 STM32F4_PIN_USART(0, 10, STM32F4_GPIO_AF_USART1) |
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276 | #define STM32F4_PIN_USART1_RX_PB7 STM32F4_PIN_USART(1, 7, STM32F4_GPIO_AF_USART1) |
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277 | |
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278 | #define STM32F4_PIN_USART2_TX_PA2 STM32F4_PIN_USART(0, 2, STM32F4_GPIO_AF_USART2) |
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279 | #define STM32F4_PIN_USART2_TX_PD5 STM32F4_PIN_USART(3, 5, STM32F4_GPIO_AF_USART2) |
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280 | #define STM32F4_PIN_USART2_RX_PA3 STM32F4_PIN_USART(0, 3, STM32F4_GPIO_AF_USART2) |
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281 | #define STM32F4_PIN_USART2_RX_PD6 STM32F4_PIN_USART(3, 6, STM32F4_GPIO_AF_USART2) |
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282 | |
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283 | #define STM32F4_PIN_USART3_TX_PC10 STM32F4_PIN_USART(2, 10, STM32F4_GPIO_AF_USART3) |
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284 | #define STM32F4_PIN_USART3_TX_PD8 STM32F4_PIN_USART(3, 8, STM32F4_GPIO_AF_USART3) |
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285 | #define STM32F4_PIN_USART3_RX_PC11 STM32F4_PIN_USART(2, 11, STM32F4_GPIO_AF_USART3) |
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286 | #define STM32F4_PIN_USART3_RX_PD9 STM32F4_PIN_USART(3, 9, STM32F4_GPIO_AF_USART3) |
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287 | |
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288 | #define STM32F4_PIN_UART4_TX_PA0 STM32F4_PIN_USART(0, 0, STM32F4_GPIO_AF_UART4) |
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289 | #define STM32F4_PIN_UART4_TX_PC10 STM32F4_PIN_USART(2, 10, STM32F4_GPIO_AF_UART4) |
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290 | #define STM32F4_PIN_UART4_RX_PA1 STM32F4_PIN_USART(0, 1, STM32F4_GPIO_AF_UART4) |
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291 | #define STM32F4_PIN_UART4_RX_PC11 STM32F4_PIN_USART(2, 11, STM32F4_GPIO_AF_UART4) |
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292 | |
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293 | #define STM32F4_PIN_UART5_TX_PC12 STM32F4_PIN_USART(2, 12, STM32F4_GPIO_AF_UART5) |
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294 | #define STM32F4_PIN_UART5_RX_PD2 STM32F4_PIN_USART(3, 2, STM32F4_GPIO_AF_UART5) |
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295 | |
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296 | #define STM32F4_PIN_USART6_TX_PC6 STM32F4_PIN_USART(2, 6, STM32F4_GPIO_AF_USART6) |
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297 | #define STM32F4_PIN_USART6_RX_PC7 STM32F4_PIN_USART(2, 7, STM32F4_GPIO_AF_USART6) |
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298 | |
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299 | #endif /* STM32F4_FAMILY_F4XXXX */ |
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300 | #ifdef STM32F4_FAMILY_F10XXX |
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301 | |
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302 | #define STM32F4_PIN_USART_TX(port, idx, remapvalue) \ |
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303 | { \ |
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304 | { \ |
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305 | .pin_first = STM32F4_GPIO_PIN(port, idx), \ |
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306 | .pin_last = STM32F4_GPIO_PIN(port, idx), \ |
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307 | .mode = STM32F4_GPIO_MODE_OUTPUT_2MHz, \ |
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308 | .cnf = STM32F4_GPIO_CNF_OUT_AF_PP, \ |
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309 | .output = 0, \ |
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310 | .remap = remapvalue \ |
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311 | } \ |
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312 | } |
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313 | |
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314 | #define STM32F4_PIN_USART_RX(port, idx, remapvalue) \ |
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315 | { \ |
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316 | { \ |
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317 | .pin_first = STM32F4_GPIO_PIN(port, idx), \ |
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318 | .pin_last = STM32F4_GPIO_PIN(port, idx), \ |
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319 | .mode = STM32F4_GPIO_MODE_INPUT, \ |
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320 | .cnf = STM32F4_GPIO_CNF_IN_FLOATING, \ |
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321 | .output = 0, \ |
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322 | .remap = remapvalue \ |
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323 | } \ |
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324 | } |
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325 | |
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326 | #define STM32F4_PIN_USART1_TX_MAP_0 STM32F4_PIN_USART_TX(0, 9, STM32F4_GPIO_REMAP_USART1_0) |
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327 | #define STM32F4_PIN_USART1_RX_MAP_0 STM32F4_PIN_USART_RX(0, 10, STM32F4_GPIO_REMAP_USART1_0) |
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328 | #define STM32F4_PIN_USART1_TX_MAP_1 STM32F4_PIN_USART_TX(1, 6, STM32F4_GPIO_REMAP_USART1_1) |
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329 | #define STM32F4_PIN_USART1_RX_MAP_1 STM32F4_PIN_USART_RX(1, 7, STM32F4_GPIO_REMAP_USART1_1) |
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330 | |
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331 | #define STM32F4_PIN_USART2_TX_MAP_0 STM32F4_PIN_USART_TX(0, 2, STM32F4_GPIO_REMAP_USART2_0) |
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332 | #define STM32F4_PIN_USART2_RX_MAP_0 STM32F4_PIN_USART_RX(0, 3, STM32F4_GPIO_REMAP_USART2_0) |
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333 | #define STM32F4_PIN_USART2_TX_MAP_1 STM32F4_PIN_USART_TX(3, 5, STM32F4_GPIO_REMAP_USART2_1) |
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334 | #define STM32F4_PIN_USART2_RX_MAP_1 STM32F4_PIN_USART_RX(3, 6, STM32F4_GPIO_REMAP_USART2_1) |
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335 | |
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336 | #define STM32F4_PIN_USART3_TX_MAP_0 STM32F4_PIN_USART_TX(1, 10, STM32F4_GPIO_REMAP_USART3_0) |
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337 | #define STM32F4_PIN_USART3_RX_MAP_0 STM32F4_PIN_USART_RX(1, 11, STM32F4_GPIO_REMAP_USART3_0) |
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338 | #define STM32F4_PIN_USART3_TX_MAP_1 STM32F4_PIN_USART_TX(2, 10, STM32F4_GPIO_REMAP_USART3_1) |
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339 | #define STM32F4_PIN_USART3_RX_MAP_1 STM32F4_PIN_USART_RX(2, 11, STM32F4_GPIO_REMAP_USART3_1) |
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340 | #define STM32F4_PIN_USART3_TX_MAP_3 STM32F4_PIN_USART_TX(3, 8, STM32F4_GPIO_REMAP_USART3_3) |
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341 | #define STM32F4_PIN_USART3_RX_MAP_3 STM32F4_PIN_USART_RX(3, 9, STM32F4_GPIO_REMAP_USART3_3) |
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342 | |
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343 | #define STM32F4_PIN_UART4_TX STM32F4_PIN_USART_TX(2, 10, STM32F4_GPIO_REMAP_DONT_CHANGE) |
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344 | #define STM32F4_PIN_UART4_RX STM32F4_PIN_USART_RX(2, 11, STM32F4_GPIO_REMAP_DONT_CHANGE) |
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345 | |
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346 | #define STM32F4_PIN_UART5_TX STM32F4_PIN_USART_TX(2, 12, STM32F4_GPIO_REMAP_DONT_CHANGE) |
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347 | #define STM32F4_PIN_UART5_RX STM32F4_PIN_USART_RX(3, 2, STM32F4_GPIO_REMAP_DONT_CHANGE) |
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348 | |
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349 | #endif /* STM32F4_FAMILY_F10XXX */ |
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350 | |
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351 | #ifdef __cplusplus |
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352 | } |
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353 | #endif /* __cplusplus */ |
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354 | |
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355 | #endif /* LIBBSP_ARM_STM32F4_IO_H */ |
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