source: rtems/c/src/lib/libbsp/arm/lm3s69xx/include/io.h @ 0afac6a

4.115
Last change on this file since 0afac6a was c499856, checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47

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