38 lines
867 B
C
38 lines
867 B
C
#pragma once
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#include <stdint.h>
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#include "jvs/jvs-bus.h"
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struct io3_switch_state {
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/* Note: this struct is host-endian. The IO3 emulator handles the conversion
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to protocol-endian. */
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uint8_t system;
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uint16_t p1;
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uint16_t p2;
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};
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struct io3_ops {
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void (*reset)(void *ctx);
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void (*write_gpio)(void *ctx, uint32_t state);
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void (*read_switches)(void *ctx, struct io3_switch_state *out);
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void (*read_analogs)(void *ctx, uint16_t *analogs, uint8_t nanalogs);
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void (*read_coin_counter)(void *ctx, uint8_t slot_no, uint16_t *out);
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};
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struct io3 {
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struct jvs_node jvs;
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uint8_t addr;
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const struct io3_ops *ops;
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void *ops_ctx;
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};
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void io3_init(
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struct io3 *io3,
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struct jvs_node *next,
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const struct io3_ops *ops,
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void *ops_ctx);
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struct jvs_node *io3_to_jvs_node(struct io3 *io3);
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