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[/] [minsoc/] [trunk/] [utils/] [contributions/] [gpio/] [sw/] [gpio.h] - Rev 93
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#ifndef __GPIO_H__ #define __GPIO_H__ #define MIN_GPIO_BIT 0 #define MAX_GPIO_BIT 31 #define TOTAL_GPIO_BITS ((MAX_GPIO_BIT-MIN_GPIO_BIT+1)) #define IN_REG_OFFSET 0x00 #define OUT_REG_OFFSET 0x04 #define OE_REG_OFFSET 0x08 #define INTE_REG_OFFSET 0x0C #define PTRIG_REG_OFFSET 0x10 #define AUX_REG_OFFSET 0x14 #define CTRL_REG_OFFSET 0x18 #define INTS_REG_OFFSET 0x1C #define ECLK_REG_OFFSET 0x20 #define NEC_REG_OFFSET 0x24 typedef struct vector_t_ { void (*vec)(); } vector_t; typedef struct gpio_t_ { volatile unsigned char *base_addr; unsigned int instance_num; unsigned int io_config; vector_t vectors[TOTAL_GPIO_BITS]; } gpio_t; typedef enum iotype_t_ { IO_OUTPUT = 0, IO_INPUT = 1 } iotype_t; typedef enum edge_t_ { NEG_EDGE = 0, POS_EDGE = 1 } edge_t; #define LED_0 0x00 #define LED_1 0x01 #define LED_2 0x02 #define LED_3 0x03 #define LED_4 0x04 #define LED_5 0x05 #define LED_6 0x06 #define LED_7 0x07 #define DIP_0 0x08 #define DIP_1 0x09 #define DIP_2 0x0A #define DIP_3 0x0B #define PUSH_EAST 0x0C #define PUSH_WEST 0x0D #define PUSH_NORTH 0x0E #define PUSH_SOUTH 0x0F void gpio_init(gpio_t *, long, unsigned long); void gpio_config_bit(gpio_t *, unsigned long, iotype_t); void gpio_set_bit(gpio_t *, unsigned long, unsigned long); void gpio_get_bit(gpio_t *, unsigned long, unsigned long *); void gpio_add_interrupt(gpio_t *, unsigned int, edge_t,void (*func)() ); void gpio_interrupt(gpio_t *gpio); #endif
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