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[/] [minsoc/] [trunk/] [utils/] [contributions/] [gpio/] [sw/] [old/] [gpio.h] - Blame information for rev 40

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1 40 rfajardo
#ifndef __GPIO_H__
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#define __GPIO_H__
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#define MIN_GPIO_BIT            0
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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 IN_REG_OFFSET           0x00
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#define OUT_REG_OFFSET          0x04
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#define OE_REG_OFFSET           0x08
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#define INTE_REG_OFFSET         0x0C
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#define PTRIG_REG_OFFSET        0x10
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#define AUX_REG_OFFSET          0x14
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#define CTRL_REG_OFFSET         0x18
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#define INTS_REG_OFFSET         0x1C
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#define ECLK_REG_OFFSET         0x20
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#define NEC_REG_OFFSET          0x24
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typedef struct vector_t_
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{
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        void (*vec)();
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} vector_t;
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typedef struct gpio_t_
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{
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        volatile unsigned char *base_addr;
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        unsigned int instance_num;
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        unsigned int io_config;
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        vector_t vectors[TOTAL_GPIO_BITS];
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} gpio_t;
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typedef enum iotype_t_
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{
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        IO_OUTPUT = 0,
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        IO_INPUT = 1
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} iotype_t;
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typedef enum edge_t_
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{
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        NEG_EDGE = 0,
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        POS_EDGE = 1
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} edge_t;
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#define LED_0                   0x00
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#define LED_1                   0x01
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#define LED_2                   0x02
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#define LED_3                   0x03
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#define LED_4                   0x04
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#define LED_5                   0x05
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#define LED_6                   0x06
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#define LED_7                   0x07
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#define DIP_0                   0x08
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#define DIP_1                   0x09
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#define DIP_2                   0x0A
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#define DIP_3                   0x0B
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#define PUSH_EAST               0x0C
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#define PUSH_WEST               0x0D
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#define PUSH_NORTH              0x0E
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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_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_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_interrupt(gpio_t *gpio);
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#endif

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