[d970738] | 1 | /** |
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| 2 | * @file |
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| 3 | * |
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| 4 | * @ingroup lm3s69xx_io |
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| 5 | * |
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| 6 | * @brief IO definitions. |
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| 7 | */ |
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| 8 | |
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[f22bba3] | 9 | /* |
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| 10 | * Copyright © 2013 Eugeniy Meshcheryakov <eugen@debian.org> |
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| 11 | * |
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| 12 | * The license and distribution terms for this file may be |
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| 13 | * found in the file LICENSE in this distribution or at |
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[c499856] | 14 | * http://www.rtems.org/license/LICENSE. |
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[f22bba3] | 15 | */ |
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| 16 | |
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| 17 | #ifndef LIBBSP_ARM_LM3S69XX_IO_H |
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| 18 | #define LIBBSP_ARM_LM3S69XX_IO_H |
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| 19 | #include <bspopts.h> |
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| 20 | #include <stdbool.h> |
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| 21 | |
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[d970738] | 22 | /** |
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| 23 | * @defgroup lm3s69xx_io IO Support |
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| 24 | * |
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| 25 | * @ingroup arm_lm3s69xx |
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| 26 | * |
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| 27 | * @brief IO support. |
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| 28 | */ |
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| 29 | |
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[f22bba3] | 30 | typedef enum { |
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| 31 | LM3S69XX_GPIO_DIRECTION_INPUT, |
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| 32 | LM3S69XX_GPIO_DIRECTION_OUTPUT |
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| 33 | } lm3s69xx_gpio_direction; |
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| 34 | |
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| 35 | typedef enum { |
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| 36 | LM3S69XX_GPIO_OTYPE_PUSH_PULL, |
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| 37 | LM3S69XX_GPIO_OTYPE_OPEN_DRAIN |
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| 38 | } lm3s69xx_gpio_otype; |
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| 39 | |
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| 40 | typedef enum { |
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| 41 | LM3S69XX_GPIO_DRIVE_2MA, |
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| 42 | LM3S69XX_GPIO_DRIVE_4MA, |
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| 43 | LM3S69XX_GPIO_DRIVE_8MA |
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| 44 | } lm3s69xx_gpio_drive; |
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| 45 | |
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| 46 | typedef enum { |
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| 47 | LM3S69XX_GPIO_NO_PULL, |
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| 48 | LM3S69XX_GPIO_PULL_UP, |
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| 49 | LM3S69XX_GPIO_PULL_DOWN |
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| 50 | } lm3s69xx_gpio_pull; |
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| 51 | |
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| 52 | typedef enum { |
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| 53 | LM3S69XX_GPIO_DIGITAL_DISABLE, |
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| 54 | LM3S69XX_GPIO_DIGITAL_ENABLE, |
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| 55 | } lm3s69xx_gpio_digital; |
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| 56 | |
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| 57 | typedef enum { |
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| 58 | LM3S69XX_GPIO_AF_DISABLE, |
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| 59 | LM3S69XX_GPIO_AF_ENABLE |
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| 60 | } lm3s69xx_gpio_af; |
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| 61 | |
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| 62 | typedef enum { |
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| 63 | LM3S69XX_GPIO_ANALOG_DISABLE, |
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| 64 | LM3S69XX_GPIO_ANALOG_ENABLE |
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| 65 | } lm3s69xx_gpio_analog; |
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| 66 | |
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| 67 | typedef enum { |
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| 68 | LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL, |
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| 69 | LM3S69XX_GPIO_SLEW_RATE_CONTROL |
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| 70 | } lm3s69xx_gpio_slew_rate_control; |
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| 71 | |
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| 72 | typedef struct { |
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| 73 | unsigned int pin_first : 8; |
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| 74 | unsigned int pin_last : 8; |
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| 75 | unsigned int digital : 1; |
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| 76 | unsigned int alternate : 1; |
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| 77 | unsigned int analog : 1; |
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| 78 | unsigned int dir : 1; |
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| 79 | unsigned int otype : 1; |
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| 80 | unsigned int drive : 2; |
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| 81 | unsigned int pull : 2; |
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| 82 | unsigned int slr : 1; |
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| 83 | } lm3s69xx_gpio_config; |
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| 84 | |
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| 85 | typedef enum { |
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| 86 | LM3S69XX_PORT_A, |
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| 87 | LM3S69XX_PORT_B, |
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| 88 | LM3S69XX_PORT_C, |
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| 89 | LM3S69XX_PORT_D, |
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| 90 | LM3S69XX_PORT_E, |
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| 91 | LM3S69XX_PORT_F, |
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| 92 | LM3S69XX_PORT_G, |
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| 93 | #if LM3S69XX_NUM_GPIO_BLOCKS > 7 |
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| 94 | LM3S69XX_PORT_H |
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| 95 | #endif |
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| 96 | } lm3s69xx_gpio_port; |
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| 97 | |
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| 98 | #define LM3S69XX_GPIO_PIN(port, idx) (((port) << 3) | (idx)) |
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| 99 | #define LM3S69XX_GPIO_PORT_OF_PIN(pin) (((pin) >> 3) & 0xf) |
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| 100 | #define LM3S69XX_GPIO_INDEX_OF_PIN(pin) ((pin) & 0x7) |
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| 101 | |
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| 102 | #define LM3S69XX_PIN_UART_TX(port, idx) \ |
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| 103 | { \ |
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| 104 | .pin_first = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 105 | .pin_last = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 106 | .digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \ |
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| 107 | .alternate = LM3S69XX_GPIO_AF_ENABLE, \ |
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| 108 | .analog = LM3S69XX_GPIO_ANALOG_DISABLE, \ |
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| 109 | .dir = LM3S69XX_GPIO_DIRECTION_OUTPUT, \ |
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| 110 | .otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \ |
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| 111 | .drive = LM3S69XX_GPIO_DRIVE_2MA, \ |
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| 112 | .pull = LM3S69XX_GPIO_NO_PULL, \ |
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| 113 | .slr = LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL \ |
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| 114 | } |
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| 115 | |
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| 116 | #define LM3S69XX_PIN_UART_RX(port, idx) \ |
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| 117 | { \ |
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| 118 | .pin_first = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 119 | .pin_last = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 120 | .digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \ |
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| 121 | .alternate = LM3S69XX_GPIO_AF_ENABLE, \ |
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| 122 | .analog = LM3S69XX_GPIO_ANALOG_DISABLE, \ |
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| 123 | .dir = LM3S69XX_GPIO_DIRECTION_INPUT, \ |
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| 124 | .otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \ |
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| 125 | .drive = LM3S69XX_GPIO_DRIVE_2MA, \ |
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| 126 | .pull = LM3S69XX_GPIO_PULL_UP, \ |
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| 127 | .slr = LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL \ |
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| 128 | } |
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| 129 | |
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[526f895] | 130 | #define LM3S69XX_PIN_UART_RTS(port, idx) \ |
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| 131 | { \ |
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| 132 | .pin_first = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 133 | .pin_last = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 134 | .digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \ |
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| 135 | .alternate = LM3S69XX_GPIO_AF_ENABLE, \ |
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| 136 | .analog = LM3S69XX_GPIO_ANALOG_DISABLE, \ |
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| 137 | .dir = LM3S69XX_GPIO_DIRECTION_OUTPUT, \ |
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| 138 | .otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \ |
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| 139 | .drive = LM3S69XX_GPIO_DRIVE_2MA, \ |
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| 140 | .pull = LM3S69XX_GPIO_NO_PULL, \ |
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| 141 | .slr = LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL \ |
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| 142 | } |
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| 143 | |
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| 144 | #define LM3S69XX_PIN_UART_CTS(port, idx) \ |
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| 145 | { \ |
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| 146 | .pin_first = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 147 | .pin_last = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 148 | .digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \ |
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| 149 | .alternate = LM3S69XX_GPIO_AF_ENABLE, \ |
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| 150 | .analog = LM3S69XX_GPIO_ANALOG_DISABLE, \ |
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| 151 | .dir = LM3S69XX_GPIO_DIRECTION_INPUT, \ |
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| 152 | .otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \ |
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| 153 | .drive = LM3S69XX_GPIO_DRIVE_2MA, \ |
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| 154 | .pull = LM3S69XX_GPIO_PULL_UP, \ |
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| 155 | .slr = LM3S69XX_GPIO_NO_SLEW_RATE_CONTROL \ |
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| 156 | } |
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| 157 | |
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[f22bba3] | 158 | #define LM3S69XX_PIN_LED(port, idx) \ |
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| 159 | { \ |
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| 160 | .pin_first = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 161 | .pin_last = LM3S69XX_GPIO_PIN(port, idx), \ |
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| 162 | .digital = LM3S69XX_GPIO_DIGITAL_ENABLE, \ |
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| 163 | .alternate = LM3S69XX_GPIO_AF_DISABLE, \ |
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| 164 | .analog = LM3S69XX_GPIO_ANALOG_DISABLE, \ |
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| 165 | .dir = LM3S69XX_GPIO_DIRECTION_OUTPUT, \ |
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| 166 | .otype = LM3S69XX_GPIO_OTYPE_PUSH_PULL, \ |
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| 167 | .drive = LM3S69XX_GPIO_DRIVE_8MA, \ |
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| 168 | .pull = LM3S69XX_GPIO_NO_PULL, \ |
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| 169 | .slr = LM3S69XX_GPIO_SLEW_RATE_CONTROL \ |
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| 170 | } |
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| 171 | |
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| 172 | #define LM3S69XX_PIN_SSI_TX(port, idx) LM3S69XX_PIN_UART_TX(port, idx) |
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| 173 | #define LM3S69XX_PIN_SSI_RX(port, idx) LM3S69XX_PIN_UART_RX(port, idx) |
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| 174 | |
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| 175 | #ifdef __cplusplus |
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| 176 | extern "C" { |
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| 177 | #endif |
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| 178 | |
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| 179 | void lm3s69xx_gpio_set_config(const lm3s69xx_gpio_config *config); |
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| 180 | void lm3s69xx_gpio_set_config_array(const lm3s69xx_gpio_config *configs, unsigned int count); |
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| 181 | void lm3s69xx_gpio_digital_enable(unsigned int pin, bool enable); |
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| 182 | void lm3s69xx_gpio_analog_mode_select(unsigned int pin, bool enable); |
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| 183 | |
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| 184 | void lm3s69xx_gpio_set_pin(unsigned int pin, bool set); |
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| 185 | bool lm3s69xx_gpio_get_pin(unsigned int pin); |
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| 186 | |
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| 187 | #ifdef __cplusplus |
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| 188 | } |
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| 189 | #endif |
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| 190 | |
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| 191 | #endif /* LIBBSP_ARM_LM3S69XX_IO_H */ |
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