#ifndef __GPIO_H__
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#ifndef __GPIO_H__
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#define __GPIO_H__
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#define __GPIO_H__
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#define MIN_GPIO_BIT 0
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#define MIN_GPIO_BIT 0
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#define MAX_GPIO_BIT 31
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#define MAX_GPIO_BIT 31
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#define TOTAL_GPIO_BITS ((MAX_GPIO_BIT-MIN_GPIO_BIT+1))
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#define TOTAL_GPIO_BITS ((MAX_GPIO_BIT-MIN_GPIO_BIT+1))
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#define IN_REG_OFFSET 0x00
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#define IN_REG_OFFSET 0x00
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#define OUT_REG_OFFSET 0x04
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#define OUT_REG_OFFSET 0x04
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#define OE_REG_OFFSET 0x08
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#define OE_REG_OFFSET 0x08
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#define INTE_REG_OFFSET 0x0C
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#define INTE_REG_OFFSET 0x0C
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#define PTRIG_REG_OFFSET 0x10
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#define PTRIG_REG_OFFSET 0x10
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#define AUX_REG_OFFSET 0x14
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#define AUX_REG_OFFSET 0x14
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#define CTRL_REG_OFFSET 0x18
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#define CTRL_REG_OFFSET 0x18
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#define INTS_REG_OFFSET 0x1C
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#define INTS_REG_OFFSET 0x1C
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#define ECLK_REG_OFFSET 0x20
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#define ECLK_REG_OFFSET 0x20
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#define NEC_REG_OFFSET 0x24
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#define NEC_REG_OFFSET 0x24
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typedef struct vector_t_
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typedef struct vector_t_
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{
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{
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void (*vec)();
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void (*vec)();
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} vector_t;
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} vector_t;
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typedef struct gpio_t_
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typedef struct gpio_t_
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{
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{
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volatile unsigned char *base_addr;
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volatile unsigned char *base_addr;
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unsigned int instance_num;
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unsigned int instance_num;
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unsigned int io_config;
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unsigned int io_config;
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vector_t vectors[TOTAL_GPIO_BITS];
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vector_t vectors[TOTAL_GPIO_BITS];
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} gpio_t;
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} gpio_t;
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typedef enum iotype_t_
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typedef enum iotype_t_
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{
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{
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IO_OUTPUT = 0,
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IO_OUTPUT = 0,
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IO_INPUT = 1
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IO_INPUT = 1
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} iotype_t;
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} iotype_t;
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typedef enum edge_t_
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typedef enum edge_t_
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{
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{
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NEG_EDGE = 0,
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NEG_EDGE = 0,
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POS_EDGE = 1
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POS_EDGE = 1
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} edge_t;
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} edge_t;
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#define LED_0 0x00
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#define LED_0 0x00
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#define LED_1 0x01
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#define LED_1 0x01
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#define LED_2 0x02
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#define LED_2 0x02
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#define LED_3 0x03
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#define LED_3 0x03
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#define LED_4 0x04
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#define LED_4 0x04
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#define LED_5 0x05
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#define LED_5 0x05
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#define LED_6 0x06
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#define LED_6 0x06
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#define LED_7 0x07
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#define LED_7 0x07
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#define DIP_0 0x08
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#define DIP_0 0x08
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#define DIP_1 0x09
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#define DIP_1 0x09
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#define DIP_2 0x0A
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#define DIP_2 0x0A
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#define DIP_3 0x0B
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#define DIP_3 0x0B
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#define PUSH_EAST 0x0C
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#define PUSH_EAST 0x0C
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#define PUSH_WEST 0x0D
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#define PUSH_WEST 0x0D
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#define PUSH_NORTH 0x0E
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#define PUSH_NORTH 0x0E
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#define PUSH_SOUTH 0x0F
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#define PUSH_SOUTH 0x0F
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void gpio_init(gpio_t *, long, unsigned long);
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void gpio_init(gpio_t *, long, unsigned long);
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void gpio_config_bit(gpio_t *, unsigned long, iotype_t);
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void gpio_config_bit(gpio_t *, unsigned long, iotype_t);
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void gpio_set_bit(gpio_t *, unsigned long, unsigned long);
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void gpio_set_bit(gpio_t *, unsigned long, unsigned long);
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void gpio_get_bit(gpio_t *, unsigned long, unsigned long *);
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void gpio_get_bit(gpio_t *, unsigned long, unsigned long *);
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void gpio_add_interrupt(gpio_t *, unsigned int, edge_t,void (*func)() );
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void gpio_add_interrupt(gpio_t *, unsigned int, edge_t,void (*func)() );
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void gpio_interrupt(gpio_t *gpio);
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void gpio_interrupt(gpio_t *gpio);
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#endif
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#endif
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