96 lines
2.0 KiB
C
96 lines
2.0 KiB
C
#include <ctype.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <ultra64.h>
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "controller_api.h"
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#include "../configfile.h"
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static FILE *vblank;
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static FILE *input;
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#define vblank_fname "vblank"
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#define input_fname "input"
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#define ok "OK\n"
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#define bye "BYE"
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static void gamebridge_close(void) {
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if (!configGameBridge) {
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return;
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}
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printf("\n[gamebridge] exiting\n");
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fwrite(bye, 1, strlen(bye), vblank);
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fclose(vblank);
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fclose(input);
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unlink(vblank_fname);
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unlink(input_fname);
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}
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static void gamebridge_init(void) {
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if (!configGameBridge) {
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return;
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}
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printf("[gamebridge] starting...\n");
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fflush(stdout);
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unlink(vblank_fname);
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unlink(input_fname);
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int result;
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result = mkfifo(vblank_fname, S_IRUSR|S_IWUSR);
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if (result < 0) {
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perror("mkfifo "vblank_fname);
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assert(result < 0);
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}
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result = mkfifo(input_fname, S_IRUSR| S_IWUSR);
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if (result < 0) {
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perror("mkfifo "input_fname);
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assert(result < 0);
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}
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vblank = fopen(vblank_fname, "w+");
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input = fopen(input_fname, "rb+");
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assert(vblank);
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assert(input);
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setvbuf(vblank, NULL, _IONBF, 0);
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setvbuf(input, NULL, _IONBF, 0);
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printf("[gamebridge] starting rust daemon\n");
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fflush(stdout);
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system("./target/release/gamebridge &");
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atexit(gamebridge_close);
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}
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static void gamebridge_read(OSContPad *pad) {
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if (!configGameBridge) {
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return;
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}
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//printf("[gamebridge] waiting for input\n");
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fwrite(ok, 1, strlen(ok), vblank);
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uint8_t bytes[4] = {0};
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fread(bytes, 1, 4, input);
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pad->button = (bytes[0] << 8) | bytes[1];
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pad->stick_x = bytes[2];
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pad->stick_y = bytes[3];
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//printf("[gamebridge] %02x%02x %02x%02x\n", bytes[0], bytes[1], bytes[2], bytes[3]);
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fflush(stdout);
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}
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struct ControllerAPI controller_gamebridge = {
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gamebridge_init,
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gamebridge_read
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};
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