From: notaz Date: Thu, 10 Dec 2015 00:41:33 +0000 (+0200) Subject: teensytp: initial implementation (derived from teensytas) X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=megadrive.git;a=commitdiff_plain;h=ebeef6c61f5f6c4a0242b59c4e822898c1f32dd8 teensytp: initial implementation (derived from teensytas) teensy team-player emulator seems to be more or less working --- diff --git a/teensytp/Makefile b/teensytp/Makefile index fdb0afc..e694abc 100644 --- a/teensytp/Makefile +++ b/teensytp/Makefile @@ -5,7 +5,7 @@ SIZE = $(CROSS_COMPILE)size TOOLSPATH = tools -TARGET = teensytas +TARGET = teensytp # CPPFLAGS += -DUSB_SERIAL -DLAYOUT_US_ENGLISH CPPFLAGS += -D__MK20DX256__ -DF_CPU=48000000 diff --git a/teensytp/host/main.c b/teensytp/host/main.c index bf6966d..e375270 100644 --- a/teensytp/host/main.c +++ b/teensytp/host/main.c @@ -1,6 +1,7 @@ /* - * TeensyTAS, TAS input player for MegaDrive - * Copyright (c) 2014 notaz + * TeensyTP, Team Player/4-Player Adaptor implementation for Teensy3 + * host part + * Copyright (c) 2015 notaz * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the @@ -52,7 +53,7 @@ struct teensy_dev { } ifaces[2]; }; -/* return 1 if founf, 0 if not, < 0 on error */ +/* return 1 if found, 0 if not, < 0 on error */ static int find_device(struct teensy_dev *dev, uint16_t vendor, uint16_t product) { @@ -313,40 +314,63 @@ static void signal_handler(int sig) signal(sig, SIG_DFL); } -/* ?0SA 00DU, ?1CB RLDU */ -#define STATE_BYTES 2 - -static uint8_t fixed_input_state[STATE_BYTES] = { 0x33, 0x3f }; - +/* MXYZ SACB RLDU */ enum mdbtn { - MDBTN_UP = 1, - MDBTN_DOWN, - MDBTN_LEFT, - MDBTN_RIGHT, - MDBTN_A, - MDBTN_B, - MDBTN_C, - MDBTN_START, + MDBTN_UP = (1 << 0), + MDBTN_DOWN = (1 << 1), + MDBTN_LEFT = (1 << 2), + MDBTN_RIGHT = (1 << 3), + MDBTN_A = (1 << 6), + MDBTN_B = (1 << 4), + MDBTN_C = (1 << 5), + MDBTN_START = (1 << 7), + MDBTN_X = (1 << 10), + MDBTN_Y = (1 << 9), + MDBTN_Z = (1 << 8), + MDBTN_MODE = (1 << 11), }; -static const enum mdbtn evdev_md_map[KEY_CNT] = { +#define BTN_JOY BTN_JOYSTICK + +static const uint32_t evdev_md_default_map[KEY_CNT] = { [KEY_UP] = MDBTN_UP, [KEY_DOWN] = MDBTN_DOWN, [KEY_LEFT] = MDBTN_LEFT, [KEY_RIGHT] = MDBTN_RIGHT, + [KEY_Z] = MDBTN_A, + [KEY_X] = MDBTN_B, + [KEY_C] = MDBTN_C, + [KEY_A] = MDBTN_X, + [KEY_S] = MDBTN_Y, + [KEY_D] = MDBTN_Z, + [KEY_F] = MDBTN_MODE, + [KEY_ENTER] = MDBTN_START, + // gamepad + [BTN_JOY + 0] = MDBTN_A, + [BTN_JOY + 1] = MDBTN_B, + [BTN_JOY + 2] = MDBTN_C, + [BTN_JOY + 3] = MDBTN_START, + // pandora [KEY_HOME] = MDBTN_A, [KEY_PAGEDOWN] = MDBTN_B, [KEY_END] = MDBTN_C, [KEY_LEFTALT] = MDBTN_START, }; -int do_evdev_input(int fd) +static struct player_state { + uint32_t kc_map[KEY_CNT]; + uint32_t state; + int dirty; +} players[4]; + +static int do_evdev_input(int fd, unsigned int player_i) { - uint8_t old_state[STATE_BYTES]; - uint8_t changed_bits[STATE_BYTES] = { 0, }; + struct player_state *player; struct input_event ev; - enum mdbtn mdbtn; - int i, ret; + uint32_t mask_clear = 0; + uint32_t mask_set = 0; + uint32_t old_state; + int ret; ret = read(fd, &ev, sizeof(ev)); if (ret != sizeof(ev)) { @@ -355,385 +379,111 @@ int do_evdev_input(int fd) return 0; } - if (ev.type != EV_KEY) - return 0; - - if (ev.value != 0 && ev.value != 1) - return 0; - - if ((uint32_t)ev.code >= ARRAY_SIZE(evdev_md_map)) { - fprintf(stderr, "evdev read bad key: %u\n", ev.code); + if (player_i >= ARRAY_SIZE(players)) { + fprintf(stderr, "bad player: %u\n", player_i); return 0; } + player = &players[player_i]; + old_state = player->state; - mdbtn = evdev_md_map[ev.code]; - if (mdbtn == 0) - return 0; - - memcpy(old_state, fixed_input_state, STATE_BYTES); - - /* ?0SA 00DU, ?1CB RLDU */ - switch (mdbtn) { - case MDBTN_UP: - changed_bits[0] = 0x01; - changed_bits[1] = 0x01; - break; - case MDBTN_DOWN: - changed_bits[0] = 0x02; - changed_bits[1] = 0x02; - break; - case MDBTN_LEFT: - changed_bits[0] = 0x00; - changed_bits[1] = 0x04; - break; - case MDBTN_RIGHT: - changed_bits[0] = 0x00; - changed_bits[1] = 0x08; - break; - case MDBTN_A: - changed_bits[0] = 0x10; - changed_bits[1] = 0x00; - break; - case MDBTN_B: - changed_bits[0] = 0x00; - changed_bits[1] = 0x10; - break; - case MDBTN_C: - changed_bits[0] = 0x00; - changed_bits[1] = 0x20; - break; - case MDBTN_START: - changed_bits[0] = 0x20; - changed_bits[1] = 0x00; - break; - } - - if (ev.value) { - // key press - for (i = 0; i < STATE_BYTES; i++) - fixed_input_state[i] &= ~changed_bits[i]; - } - else { - // key release - for (i = 0; i < STATE_BYTES; i++) - fixed_input_state[i] |= changed_bits[i]; + if (ev.type == EV_ABS) { + if (ev.code == 0) { + mask_clear = MDBTN_LEFT | MDBTN_RIGHT; + if (ev.value < 10) + mask_set = MDBTN_LEFT; + else if (ev.value > 210) + mask_set = MDBTN_RIGHT; + } + else { + mask_clear = MDBTN_UP | MDBTN_DOWN; + if (ev.value < 10) + mask_set = MDBTN_UP; + else if (ev.value > 210) + mask_set = MDBTN_DOWN; + } + printf("abs, s %x %x\n", mask_clear, mask_set); } + else if (ev.type == EV_KEY) { + if (ev.value != 0 && ev.value != 1) + return 0; - return memcmp(old_state, fixed_input_state, STATE_BYTES) ? 1 : 0; -} - -#define MAX_INPUT_BYTES 2 + if ((uint32_t)ev.code >= ARRAY_SIZE(player->kc_map)) { + fprintf(stderr, "evdev read bad key: %u\n", ev.code); + return 0; + } -// TODO: 6btn -static int tas_data_to_teensy(uint16_t b, uint8_t *data, FILE *logf) -{ - uint8_t t; - - /* SCBA RLDU */ - /* v */ - /* ?0SA 00DU, ?1CB RLDU */ - data[0] = (b & 0x13) | ((b >> 2) & 0x20); - data[1] = (b & 0x0f) | ((b >> 1) & 0x30); - - if (logf != NULL) { - fwrite(&data[0], 1, 1, logf); - t = data[1] | 0x40; // expected TH - fwrite(&t, 1, 1, logf); + if (ev.value) // press? + mask_set = player->kc_map[ev.code]; + else + mask_clear = player->kc_map[ev.code]; } - return 2; -} + player->state &= ~mask_clear; + player->state |= mask_set; -struct gmv_tas { - char sig[15]; - char ver; - uint32_t rerecord_count; - char ctrl1; - char ctrl2; - uint16_t flags; - char name[40]; - uint8_t data[0][3]; -}; + player->dirty |= old_state != player->state; + return player->dirty; +} -static int import_gmv(FILE *f, long size, - uint8_t *out[2], int out_byte_count[2], FILE *logf) +static int open_evdev(const char *name) { - struct gmv_tas *gmv; - int frame_count; - int count = 0; - uint16_t val; - int ret; - int i; - - out_byte_count[0] = out_byte_count[1] = 0; + int evdev_support = 0; + int fd, ret; - if (size < (long)sizeof(*gmv)) { - fprintf(stderr, "bad gmv size: %ld\n", size); - return -1; - } - - gmv = malloc(size); - if (gmv == NULL) { - fprintf(stderr, "OOM?\n"); - return -1; - } - ret = fread(gmv, 1, size, f); - if (ret != size) { - fprintf(stderr, "fread %d/%ld: ", ret, size); + fd = open(name, O_RDONLY); + if (fd == -1) { + fprintf(stderr, "open %s: ", name); perror(""); return -1; } - - frame_count = (size - sizeof(*gmv)) / sizeof(gmv->data[0]); - - /* check the GMV.. */ - if (frame_count <= 0 || size != sizeof(*gmv) + frame_count * 3) { - fprintf(stderr, "broken gmv? frames=%d\n", frame_count); - return -1; - } - - if (strncmp(gmv->sig, "Gens Movie TEST", 15) != 0) { - fprintf(stderr, "bad GMV sig\n"); - return -1; - } - if (gmv->ctrl1 != '3') { - fprintf(stderr, "unhandled controlled config: '%c'\n", gmv->ctrl1); - //return -1; - } - if (gmv->ver >= 'A') { - if (gmv->flags & 0x40) { - fprintf(stderr, "unhandled flag: movie requires a savestate\n"); - return -1; - } - if (gmv->flags & 0x20) { - fprintf(stderr, "unhandled flag: 3-player movie\n"); - return -1; - } - if (gmv->flags & ~0x80) { - //fprintf(stderr, "unhandled flag(s): %04x\n", gmv->flags); - //return 1; - } - } - gmv->name[39] = 0; - printf("loaded GMV: %s\n", gmv->name); - printf("%d frames, %u rerecords\n", - frame_count, gmv->rerecord_count); - - out[0] = malloc(frame_count * MAX_INPUT_BYTES); - if (out[0] == NULL) { - fprintf(stderr, "OOM?\n"); + ret = ioctl(fd, EVIOCGBIT(0, sizeof(evdev_support)), + &evdev_support); + if (ret < 0) + perror("EVIOCGBIT"); + if (!(evdev_support & (1 << EV_KEY))) { + fprintf(stderr, "%s doesn't have keys\n", name); + close(fd); return -1; } - for (i = 0; i < frame_count; i++) { - val = gmv->data[i][0] | ((gmv->data[i][2] & 0x0f) << 8); - count += tas_data_to_teensy(val, out[0] + count, logf); - - if (gmv->data[i][1] != 0xff || gmv->data[i][2] != 0xff) - { - fprintf(stderr, "f %d: unhandled byte(s) %02x %02x\n", - i, gmv->data[i][1], gmv->data[i][2]); - } - } - - out_byte_count[0] = count; - return 0; + return fd; } -static int do_bkm_char(char c, char expect, uint16_t *val, int bit) +static void do_stdin_input(uint32_t *mode, int *changed) { - if (c == expect) { - *val &= ~(1 << bit); - return 0; - } - if (c == '.') - return 0; - - fprintf(stderr, "unexpected bkm char: '%c' instead of '%c'\n", - c, expect); - return 1; -} - -static int import_bkm(FILE *f, uint8_t *out[2], int out_byte_count[2], - FILE *logf) -{ - int teensy_bytes = 0; - int have_pl2 = 0; - int have_xyz = 0; - int frames = 0; - int count = 0; - int alloc = 0; - int line = 0; - char buf[256]; - const char *r; - uint16_t val; - char *p; - int pl, i; - - while ((p = fgets(buf, sizeof(buf), f)) != NULL) - { - line++; - if (p[0] != '|') - continue; - - if (strlen(p) < 30) - goto unhandled_line; - if (p[30] != '\r' && p[30] != '\n') - goto unhandled_line; - p[30] = 0; - - if (count >= alloc - MAX_INPUT_BYTES) { - alloc = alloc * 2 + 64; - for (pl = 0; pl < 2; pl++) { - out[pl] = realloc(out[pl], alloc * sizeof(out[0][0])); - if (out[pl] == NULL) { - fprintf(stderr, "OOM?\n"); - return -1; - } - } - } - - if (strncmp(p, "|.|", 3) != 0) - goto unhandled_line; - p += 3; - - for (pl = 0; pl < 2; pl++) { - static const char ref[] = "UDLRABCSXYZM"; - - val = 0xfff; - for (r = ref, i = 0; *r != 0; p++, r++, i++) { - if (do_bkm_char(*p, *r, &val, i)) - goto unhandled_line; - } - - if (*p++ != '|') - goto unhandled_line; - - teensy_bytes = tas_data_to_teensy(val, out[pl] + count, logf); - - if ((val & 0xf00) != 0xf00) - have_xyz = 1; - if (pl == 1) - have_pl2 |= (val != 0xfff); - } - count += teensy_bytes; - - if (strcmp(p, "|") != 0) - goto unhandled_line; - - frames++; - continue; + char c = 0; + int ret; -unhandled_line: - fprintf(stderr, "unhandled bkm line %d: '%s'\n", line, buf); - return -1; + ret = read(STDIN_FILENO, &c, 1); + if (ret <= 0) { + perror("read stdin"); + return; } - printf("loaded bkm, %d players, %d frames, %d bytes, have_xyz=%d\n", - have_pl2 ? 2 : 1, frames, count, have_xyz); - out_byte_count[0] = count; - if (have_pl2) - out_byte_count[1] = count; - else { - free(out[1]); - out[1] = NULL; + switch (c) { + case '1': + printf("3btn mode\n"); + *mode = OP_MODE_3BTN; + *changed = 1; + break; + case '2': + printf("6btn mode\n"); + *mode = OP_MODE_6BTN; + *changed = 1; + break; + case '3': + printf("teamplayer mode\n"); + *mode = OP_MODE_TEAMPLAYER; + *changed = 1; + break; } - - return 0; } -static int import_raw(FILE *f, uint8_t **out, int *out_byte_count, - FILE *logf) +static int parse_binds(unsigned int player_i, const char *binds) { - int count = 0; - int alloc = 0; - int line = 0; - int first = 1; - char buf[256]; - uint8_t val; - char *p; - int i; - - *out_byte_count = 0; - - while ((p = fgets(buf, sizeof(buf), f)) != NULL) - { - line++; - if (p[0] == '#') - continue; - if (p[0] != 'e') { - printf("skipping: %s", p); - continue; - } - - val = 0; - p++; - for (i = 6; i >= 0; i--, p++) { - if (*p != '0' && *p != '1') - goto bad; - if (*p == '1') - val |= 1 << i; - } - if (*p != ' ') - goto bad; - - if (first && (val & 0x40)) - continue; // XXX.. - first = 0; - - if (count >= alloc) { - alloc = alloc * 2 + 64; - *out = realloc(*out, alloc * sizeof((*out)[0])); - if (*out == NULL) { - fprintf(stderr, "OOM?\n"); - return -1; - } - } - - if (logf) - fwrite(&val, 1, 1, logf); - - (*out)[count++] = val & 0x3f; - continue; - -bad: - fprintf(stderr, "bad raw line %d: '%s'\n", line, buf); - return -1; - } - - printf("loaded raw, %d bytes\n", count); - *out_byte_count = count; return 0; } -static int write_bkm_frame(FILE *f, const uint8_t *data) -{ - /* ?0SA 00DU, ?1CB RLDU */ - static const char ref[] = "UDLRABCSXYZM"; - static const char bits[] = { 0,1,2,3, 12,4,5,13, 16,16,16,16 }; - uint32_t idata[2]; - int p, i; - - if (f == NULL) { - fprintf(stderr, "%s called without outfile\n", __func__); - goto out; - } - - idata[0] = 0x10000 | (data[0] << 8) | data[1]; - idata[1] = ~0; - - fprintf(f, "|.|"); - for (p = 0; p < 2; p++) { - for (i = 0; i < 12; i++) - fprintf(f, "%c", (idata[p] & (1 << bits[i])) ? '.' : ref[i]); - fprintf(f, "|"); - } - fprintf(f, "|\n"); - -out: - return 2; -} - static int submit_urb(int fd, struct usbdevfs_urb *urb, int ep, void *buf, size_t buf_size) { @@ -753,201 +503,98 @@ enum my_urbs { URB_CNT }; -static void missing_arg(int a) +static void usage(const char *argv0) { - fprintf(stderr, "missing arg: %d\n", a); + fprintf(stderr, "usage:\n%s <-e player /dev/input/node>*\n" + " [-b [,keycode=mdbtn]]\n" + " [-m ]\n\n" + " mdbtn: int 0-11: UDLR ABCS XYZM)\n" + " mode: int 0-2: 3btn 6btn teamplayer\n", argv0); exit(1); } +static void bad_arg(char *argv[], int a) +{ + fprintf(stderr, "bad arg %d: '%s'\n", a, argv[a]); + usage(argv[0]); +} + int main(int argc, char *argv[]) { struct teensy_dev dev; struct usbdevfs_urb urb[URB_CNT]; struct usbdevfs_urb *reaped_urb; - int fixed_input_changed = 0; + uint32_t evdev_players[16]; int evdev_fds[16]; int evdev_fd_cnt = 0; - int evdev_support; int wait_device = 0; int pending_urbs = 0; + int had_input = 0; fd_set rfds, wfds; - const char *tasfn = NULL; - const char *tasfn_p2 = NULL; - const char *outfn = NULL; - const char *logfn = NULL; - uint8_t *tas_data[2] = { NULL, NULL }; - int tas_data_size[2] = { 0, 0 }; - int bytes_sent[2] = { 0, 0 }; - int use_vsync = 0; // frame increment on vsync - int separate_2p = 0; - int no_start_seq = 0; - int enable_sent = 0; - int abort_sent = 0; - int frame_count = 0; + int mode_changed = 0; char buf_dbg[64 + 1]; - struct tas_pkt pkt_in; - struct tas_pkt pkt_out; + struct tp_pkt pkt_in; + struct tp_pkt pkt_out; struct timeval *timeout = NULL; struct timeval tout; - FILE *outf = NULL; - FILE *logf = NULL; + uint32_t mode = OP_MODE_3BTN; + uint32_t player; int i, ret = -1; int fd; + for (i = 0; i < ARRAY_SIZE(players); i++) + memcpy(&players[i].kc_map, evdev_md_default_map, + sizeof(players[i].kc_map)); + for (i = 1; i < argc; i++) { if (argv[i][0] == '-') { switch (argv[i][1] | (argv[i][2] << 8)) { - case 'm': - i++; - if (argv[i] == NULL) - missing_arg(i); - tasfn = argv[i]; - continue; - case '2': - i++; - if (argv[i] == NULL) - missing_arg(i); - tasfn_p2 = argv[i]; - continue; - case 'w': - i++; - if (argv[i] == NULL) - missing_arg(i); - outfn = argv[i]; - continue; - case 'l': - i++; - if (argv[i] == NULL) - missing_arg(i); - logfn = argv[i]; + case 'e': + if (argv[++i] == NULL) + bad_arg(argv, i); + player = strtoul(argv[i], NULL, 0); + if (player >= ARRAY_SIZE(players)) + bad_arg(argv, i); + + if (argv[++i] == NULL) + bad_arg(argv, i); + fd = open_evdev(argv[i]); + if (fd == -1) + bad_arg(argv, i); + if (evdev_fd_cnt >= ARRAY_SIZE(evdev_fds)) { + fprintf(stderr, "too many evdevs\n"); + break; + } + evdev_players[evdev_fd_cnt] = player; + evdev_fds[evdev_fd_cnt] = fd; + evdev_fd_cnt++; continue; - case 'v': - use_vsync = 1; + case 'b': + if (argv[++i] == NULL) + bad_arg(argv, i); + player = strtoul(argv[i], NULL, 0); + if (player >= ARRAY_SIZE(players)) + bad_arg(argv, i); + + if (argv[++i] == NULL) + bad_arg(argv, i); + ret = parse_binds(player, argv[i]); + if (ret != 0) + bad_arg(argv, i); continue; - case 'n': - no_start_seq = 1; + case 'm': + if (argv[++i] == NULL) + bad_arg(argv, i); + mode = strtoul(argv[i], NULL, 0); + mode_changed = 1; continue; - default: - fprintf(stderr, "bad arg: %s\n", argv[i]); - return 1; - } - } - - /* remaining args are evdev filenames */ - if (evdev_fd_cnt >= ARRAY_SIZE(evdev_fds)) { - fprintf(stderr, "too many evdevs\n"); - break; - } - fd = open(argv[i], O_RDONLY); - if (fd == -1) { - fprintf(stderr, "open %s: ", argv[i]); - perror(""); - continue; - } - evdev_support = 0; - ret = ioctl(fd, EVIOCGBIT(0, sizeof(evdev_support)), - &evdev_support); - if (ret < 0) - perror("EVIOCGBIT"); - if (!(evdev_support & (1 << EV_KEY))) { - fprintf(stderr, "%s doesn't have keys\n", argv[i]); - close(fd); - continue; - } - evdev_fds[evdev_fd_cnt++] = fd; - } - - if (logfn != NULL) { - logf = fopen(logfn, "wb"); - if (logf == NULL) { - fprintf(stderr, "fopen %s: ", logfn); - perror(""); - return 1; - } - } - - if (tasfn != NULL) { - FILE *f, *f_p2 = NULL; - const char *ext; - long size; - - f = fopen(tasfn, "rb"); - if (f == NULL) { - fprintf(stderr, "fopen %s: ", tasfn); - perror(""); - return 1; - } - - if (tasfn_p2 != NULL) { - f_p2 = fopen(tasfn_p2, "rb"); - if (f_p2 == NULL) { - fprintf(stderr, "fopen %s: ", tasfn_p2); - perror(""); - return 1; } } - - fseek(f, 0, SEEK_END); - size = ftell(f); - fseek(f, 0, SEEK_SET); - if (size <= 0) { - fprintf(stderr, "bad size: %ld\n", size); - return 1; - } - - ext = strrchr(tasfn, '.'); - if (ext == NULL) - ext = tasfn; - else - ext++; - - if (strcasecmp(ext, "gmv") == 0) - ret = import_gmv(f, size, tas_data, tas_data_size, logf); - else if (strcasecmp(ext, "bkm") == 0) - ret = import_bkm(f, tas_data, tas_data_size, logf); - else if (strcasecmp(ext, "txt") == 0) - ret = import_raw(f, &tas_data[0], &tas_data_size[0], logf); - else { - fprintf(stderr, "unknown movie type: '%s'\n", ext); - return 1; - } - fclose(f); - - if (ret != 0 || tas_data[0] == NULL || tas_data_size[0] <= 0) { - fprintf(stderr, "failed fo parse %s\n", tasfn); - return 1; - } - - // separate file with p2 input? - if (f_p2 != NULL) { - ret = import_raw(f_p2, &tas_data[1], &tas_data_size[1], NULL); - if (ret != 0 || tas_data[1] == NULL || tas_data_size[1] <= 0) { - fprintf(stderr, "failed fo parse %s\n", tasfn_p2); - return 1; - } - fclose(f_p2); - separate_2p = 1; - } - - if (logf != NULL) { - fclose(logf); - logf = NULL; - } - - if (tas_data_size[1] != 0 && tas_data[1] == NULL) { - fprintf(stderr, "missing tas_data[1]\n"); - return 1; - } + bad_arg(argv, i); } - if (outfn != NULL) { - outf = fopen(outfn, "w"); - if (outf == NULL) { - fprintf(stderr, "fopen %s: ", outfn); - perror(""); - return 1; - } - } + if (evdev_fd_cnt == 0) + usage(argv[0]); enable_echo(0); signal(SIGINT, signal_handler); @@ -963,7 +610,7 @@ int main(int argc, char *argv[]) if (ret == 0) { if (!wait_device) { - printf("waiting for device..\n"); + printf("waiting for device...\n"); wait_device = 1; } usleep(250000); @@ -972,12 +619,9 @@ int main(int argc, char *argv[]) wait_device = 0; pending_urbs = 0; - enable_sent = 0; - bytes_sent[0] = 0; - bytes_sent[1] = 0; /* we wait first, then send commands, but if teensy - * is started already, it won't send anything */ + * is started already, it won't send anything back */ tout.tv_sec = 1; tout.tv_usec = 0; timeout = &tout; @@ -1020,29 +664,25 @@ int main(int argc, char *argv[]) } timeout = NULL; - /* sometihng form stdin? */ - if (FD_ISSET(STDIN_FILENO, &rfds)) { - char c = 0; - ret = read(STDIN_FILENO, &c, 1); - if (ret <= 0) { - perror("read stdin"); - break; - } - - switch (c) { - case 'r': - enable_sent = 0; - break; - } - } + /* something form stdin? */ + if (FD_ISSET(STDIN_FILENO, &rfds)) + do_stdin_input(&mode, &mode_changed); /* something from input devices? */ + had_input = 0; for (i = 0; i < evdev_fd_cnt; i++) { if (FD_ISSET(evdev_fds[i], &rfds)) { - fixed_input_changed |= - do_evdev_input(evdev_fds[i]); + do_evdev_input(evdev_fds[i], evdev_players[i]); + had_input = 1; } } + if (had_input) { + /* collect any other input changes before starting + * the slow USB transfer */ + tout.tv_sec = tout.tv_usec = 0; + timeout = &tout; + continue; + } /* something from USB? */ if (FD_ISSET(dev.fd, &wfds)) @@ -1077,53 +717,8 @@ int main(int argc, char *argv[]) } else if (reaped_urb == &urb[URB_DATA_IN]) { - int p; - /* some request from teensy */ - switch (pkt_in.type) { - case PKT_STREAM_REQ: - p = pkt_in.req.is_p2 ? 1 : 0; - printf("req%d: %d/%d/%d\n", pkt_in.req.is_p2, - pkt_in.req.frame * 2, bytes_sent[p], tas_data_size[p]); - - pkt_out.size = 0; - if (bytes_sent[p] < tas_data_size[p]) { - pkt_out.type = p ? PKT_STREAM_DATA_TO_P2 - : PKT_STREAM_DATA_TO_P1; - - i = tas_data_size[p] - bytes_sent[p]; - if (i > sizeof(pkt_out.data)) - i = sizeof(pkt_out.data); - memcpy(pkt_out.data, tas_data[p] + bytes_sent[p], i); - bytes_sent[p] += i; - pkt_out.size = i; - } - else { - pkt_out.type = PKT_STREAM_END; - } - - ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], - dev.ifaces[0].ep_out, &pkt_out, sizeof(pkt_out)); - if (ret != 0) - perror("USBDEVFS_SUBMITURB PKT_STREAM_DATA_TO"); - break; - - case PKT_STREAM_DATA_FROM: - printf("f: %d\n", frame_count); - if (pkt_in.size == 0 || pkt_in.size > sizeof(pkt_out.data)) { - printf("host: got bad DATA_FROM size: %u\n", pkt_in.size); - break; - } - for (i = 0; i < pkt_in.size; ) { - i += write_bkm_frame(outf, pkt_in.data + i); - frame_count++; - } - break; - - default: - printf("host: got unknown pkt type: %04x\n", pkt_in.type); - break; - } + printf("rx data?\n"); } else if (reaped_urb == &urb[URB_DATA_OUT]) { @@ -1148,23 +743,13 @@ int main(int argc, char *argv[]) /* something to send? */ if (pending_urbs & (1 << URB_DATA_OUT)) - // can't do that yet + // can't do that yet - out urb still busy continue; - if ((tas_data[0] != NULL || outf != NULL) && !enable_sent) { + if (mode_changed) { memset(&pkt_out, 0, sizeof(pkt_out)); - pkt_out.type = PKT_STREAM_ENABLE; - pkt_out.enable.stream_to = (tas_data[0] != NULL); - pkt_out.enable.stream_from = (outf != NULL); - pkt_out.enable.no_start_seq = no_start_seq; - if (use_vsync) - pkt_out.enable.inc_mode = INC_MODE_VSYNC; - else if (tas_data_size[1] != 0 && separate_2p) - pkt_out.enable.inc_mode = INC_MODE_SEPARATE; - else if (tas_data_size[1] != 0) - pkt_out.enable.inc_mode = INC_MODE_SHARED_PL2; - else - pkt_out.enable.inc_mode = INC_MODE_SHARED_PL1; + pkt_out.type = PKT_UPD_MODE; + pkt_out.mode = mode; ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out, &pkt_out, sizeof(pkt_out)); @@ -1173,38 +758,29 @@ int main(int argc, char *argv[]) continue; } pending_urbs |= 1 << URB_DATA_OUT; - enable_sent = 1; - bytes_sent[0] = 0; - bytes_sent[1] = 0; + mode_changed = 0; continue; } - if (tas_data[0] == NULL && fixed_input_changed) { - memset(&pkt_out, 0, sizeof(pkt_out)); - pkt_out.type = PKT_FIXED_STATE; - memcpy(pkt_out.data, fixed_input_state, sizeof(fixed_input_state)); - ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out, - &pkt_out, sizeof(pkt_out)); - if (ret != 0) { - perror("USBDEVFS_SUBMITURB PKT_FIXED_STATE"); - break; - } - fixed_input_changed = 0; - pending_urbs |= 1 << URB_DATA_OUT; - continue; + /* send buttons if there were any changes */ + memset(&pkt_out, 0, sizeof(pkt_out)); + for (i = 0; i < ARRAY_SIZE(players); i++) { + if (players[i].dirty) + pkt_out.changed_players |= 1 << i; + players[i].dirty = 0; + + pkt_out.bnts[i] = players[i].state; } - if (g_exit && !abort_sent) { - memset(&pkt_out, 0, sizeof(pkt_out)); - pkt_out.type = PKT_STREAM_ABORT; + if (pkt_out.changed_players != 0) { + pkt_out.type = PKT_UPD_BTNS; ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out, &pkt_out, sizeof(pkt_out)); if (ret != 0) { - perror("USBDEVFS_SUBMITURB PKT_STREAM_ABORT"); + perror("USBDEVFS_SUBMITURB PKT_FIXED_STATE"); break; } pending_urbs |= 1 << URB_DATA_OUT; - abort_sent = 1; continue; } @@ -1217,9 +793,6 @@ dev_close: enable_echo(1); - if (outf != NULL) - fclose(outf); - if (dev.fd != -1) { /* deal with pending URBs */ if (pending_urbs & (1 << URB_DATA_IN)) diff --git a/teensytp/main.c b/teensytp/main.c index c05eb3b..a194686 100644 --- a/teensytp/main.c +++ b/teensytp/main.c @@ -1,6 +1,7 @@ /* - * TeensyTAS, TAS input player for MegaDrive - * Copyright (c) 2014 notaz + * TeensyTP, Team Player/4-Player Adaptor implementation for Teensy3 + * using a host machine with USB hub + * Copyright (c) 2015 notaz * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the @@ -33,41 +34,7 @@ #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) -#define noinline __attribute__((noinline)) - -// use power of 2 -#define STREAM_BUF_SIZE 512 -#define STREAM_BUF_MASK (512 - 1) - -/* ?0SA 00DU, ?1CB RLDU */ -#define STREAM_EL_SZ 2 - -static struct { - uint8_t stream_to[2][STREAM_BUF_SIZE][STREAM_EL_SZ]; - uint8_t stream_from[STREAM_BUF_SIZE][STREAM_EL_SZ]; - struct { - union { - uint8_t fixed_state[4]; - uint32_t fixed_state32; - }; - union { - uint8_t pending_state[4]; - uint32_t pending_state32; - }; - } pl[2]; - uint32_t stream_enable_to:1; - uint32_t stream_enable_from:1; - uint32_t stream_started:1; - uint32_t stream_ended:1; - uint32_t inc_mode:2; - uint32_t use_pending:1; - uint32_t frame_cnt; - uint32_t edge_cnt; - struct { - uint32_t i; - uint32_t o; - } pos_to_p[2], pos_from; -} g; +#define noinline __attribute__((noclone,noinline)) ssize_t _write(int fd, const void *buf, size_t nbyte) { @@ -87,57 +54,75 @@ void yield(void) { } -static noinline void choose_isrs_idle(void); +/* + * 00157:231: w 70 @ 007ef2 + * 00157:231: r 7f @ 007f06 + * 00157:231: w 30 @ 007efa + * 00157:231: r 33 @ 007f06 + * 00157:232: w 40 @ 007f6a + * 00157:232: r 7f @ 007f70 + */ + +/* ?0SA 00DU, ?1CB RLDU */ + +static struct { + union { + uint16_t hw; + uint8_t b[2]; + } btn3_state[2]; + //uint8_t btn6_state[2][4]; + uint8_t tp_state[16]; + + uint32_t cnt; + uint32_t mode; + uint32_t pl1th:1; +} g; /* player1 TH */ -#define PL1_ISFR PORTD_ISFR -#define PL1_TH() ((CORE_PIN21_PINREG >> CORE_PIN21_BIT) & 1) +#define PL1_ISFR PORTD_ISFR +#define PL1_TH() ((CORE_PIN21_PINREG >> CORE_PIN21_BIT) & 1) +#define PL1_TR() ((CORE_PIN20_PINREG >> CORE_PIN20_BIT) & 1) +#define PL1_TH_MASK CORE_PIN21_BITMASK +#define PL1_TR_MASK CORE_PIN20_BITMASK -static void pl1th_isr_fixed(void) +static void pl1_isr_3btn(void) { - uint32_t isfr, th; + uint32_t isfr; isfr = PL1_ISFR; PL1_ISFR = isfr; - th = PL1_TH(); - GPIOD_PDOR = g.pl[0].fixed_state[th]; - g.edge_cnt++; + GPIOD_PDOR = g.btn3_state[0].b[PL1_TH()]; } -static noinline void do_to_step_pl1(void) +static noinline void pl1_isr_tp_do_th(void) { - g.frame_cnt++; - - g.pos_to_p[0].o = (g.pos_to_p[0].o + 1) & STREAM_BUF_MASK; - if (g.pos_to_p[0].o == g.pos_to_p[0].i) - // done - choose_isrs_idle(); -} + uint32_t cnt, th; -static void pl1th_isr_do_to_inc(void) -{ - uint32_t isfr, th; - - isfr = PL1_ISFR; - PL1_ISFR = isfr; th = PL1_TH(); + cnt = !th; - GPIOD_PDOR = g.stream_to[0][g.pos_to_p[0].o][th]; - if (th) - do_to_step_pl1(); + GPIOD_PDOR = g.tp_state[cnt] | (PL1_TR() << 4); + g.cnt = cnt; + g.pl1th = th; } -static void pl1th_isr_do_to(void) +static void pl1_isr_tp(void) { - uint32_t isfr, th; + uint32_t isfr; isfr = PL1_ISFR; PL1_ISFR = isfr; - th = PL1_TH(); - GPIOD_PDOR = g.stream_to[0][g.pos_to_p[0].o][th]; - g.edge_cnt++; + if (isfr & PL1_TH_MASK) + pl1_isr_tp_do_th(); + if (!(isfr & PL1_TR_MASK)) + return; + if (g.pl1th) + return; + + g.cnt++; + GPIOD_PDOR = g.tp_state[g.cnt & 0x0f] | (PL1_TR() << 4); } /* player2 TH */ @@ -145,362 +130,118 @@ static void pl1th_isr_do_to(void) #define PL2_TH() ((CORE_PIN15_PINREG >> CORE_PIN15_BIT) & 1) #define PL2_ADJ(x) ((x) | ((x) << 12)) -static void pl2th_isr_fixed(void) -{ - uint32_t isfr, th, v; - - isfr = PL2_ISFR; - PL2_ISFR = isfr; - th = PL2_TH(); - - v = g.pl[1].fixed_state[th]; - GPIOB_PDOR = PL2_ADJ(v); -} - -static noinline void do_to_step_pl2(void) -{ - g.pos_to_p[1].o = (g.pos_to_p[1].o + 1) & STREAM_BUF_MASK; - if (g.pos_to_p[1].o == g.pos_to_p[1].i) - // done - choose_isrs_idle(); -} - -static void pl2th_isr_do_to_inc(void) -{ - uint32_t isfr, th, v; - - isfr = PL2_ISFR; - PL2_ISFR = isfr; - th = PL2_TH(); - - v = g.stream_to[1][g.pos_to_p[1].o][th]; - GPIOB_PDOR = PL2_ADJ(v); - if (th) - do_to_step_pl2(); -} - -static void pl2th_isr_do_to_p1d(void) +static void pl2_isr_nop(void) { - uint32_t isfr, th, v; - - isfr = PL2_ISFR; - PL2_ISFR = isfr; - th = PL2_TH(); - - v = g.stream_to[1][g.pos_to_p[0].o][th]; - GPIOB_PDOR = PL2_ADJ(v); - - g.pos_to_p[1].o = g.pos_to_p[0].o; -} - -static void pl2th_isr_do_to_inc_pl1(void) -{ - uint32_t isfr, th, v; + uint32_t isfr; isfr = PL2_ISFR; PL2_ISFR = isfr; - th = PL2_TH(); - - v = g.stream_to[1][g.pos_to_p[1].o][th]; - GPIOB_PDOR = PL2_ADJ(v); - if (th) { - do_to_step_pl1(); - g.pos_to_p[1].o = g.pos_to_p[0].o; - } -} - -/* vsync handler */ -#define VSYNC_ISFR PORTC_ISFR - -static void vsync_isr_nop(void) -{ - uint32_t isfr; - isfr = VSYNC_ISFR; - VSYNC_ISFR = isfr; -} - -// /vsync starts at line 235/259 (ntsc/pal), just as vcounter jumps back -// we care when it comes out (/vsync goes high) after 3 lines at 238/262 -static void vsync_isr_frameinc(void) -{ - uint32_t isfr; - - isfr = VSYNC_ISFR; - VSYNC_ISFR = isfr; - - g.pos_to_p[0].o = (g.pos_to_p[0].o + 1) & STREAM_BUF_MASK; - g.pos_to_p[1].o = g.pos_to_p[0].o; - - if (g.pos_to_p[0].o == g.pos_to_p[0].i) - choose_isrs_idle(); - g.frame_cnt++; -} - -/* "recording" data */ -static noinline void do_from_step(void) -{ - uint32_t s; - - // should hopefully give atomic fixed_state read.. - s = g.pl[0].fixed_state32; - g.pl[0].fixed_state32 = g.pl[0].pending_state32; - g.stream_from[g.pos_from.i][0] = s; - g.stream_from[g.pos_from.i][1] = s >> 8; - g.pos_from.i = (g.pos_from.i + 1) & STREAM_BUF_MASK; -} - -static void pl1th_isr_fixed_do_from(void) -{ - uint32_t isfr, th; - - isfr = PL1_ISFR; - PL1_ISFR = isfr; - th = PL1_TH(); - - GPIOD_PDOR = g.pl[0].fixed_state[th]; - if (th) - do_from_step(); - g.edge_cnt++; -} - -static void vsync_isr_frameinc_do_from(void) -{ - uint32_t isfr; - - isfr = VSYNC_ISFR; - VSYNC_ISFR = isfr; - - do_from_step(); - g.frame_cnt++; + //GPIOB_PDOR = PL2_ADJ(v); } /* * */ -static void choose_isrs(void) +static void clear_state() { - void (*pl1th_handler)(void) = pl1th_isr_fixed; - void (*pl2th_handler)(void) = pl2th_isr_fixed; - void (*vsync_handler)(void) = vsync_isr_nop; - - if (g.stream_enable_to) { - switch (g.inc_mode) { - case INC_MODE_VSYNC: - pl1th_handler = pl1th_isr_do_to; - pl2th_handler = pl2th_isr_do_to_p1d; - vsync_handler = vsync_isr_frameinc; - break; - case INC_MODE_SHARED_PL1: - pl1th_handler = pl1th_isr_do_to_inc; - pl2th_handler = pl2th_isr_do_to_p1d; - break; - case INC_MODE_SHARED_PL2: - pl1th_handler = pl1th_isr_do_to; - pl2th_handler = pl2th_isr_do_to_inc_pl1; - break; - case INC_MODE_SEPARATE: - pl1th_handler = pl1th_isr_do_to_inc; - pl2th_handler = pl2th_isr_do_to_inc; - break; - } + int p, i; + + // no hw connected + for (p = 0; p < 2; p++) { + for (i = 0; i < 2; i++) + g.btn3_state[p].b[i] = 0x3f; + //for (i = 0; i < 4; i++) + // g.btn6_state[p][i] = 0x3f; } - else if (g.stream_enable_from) { - g.use_pending = 1; - switch (g.inc_mode) { - case INC_MODE_VSYNC: - vsync_handler = vsync_isr_frameinc_do_from; - break; - case INC_MODE_SHARED_PL1: - pl1th_handler = pl1th_isr_fixed_do_from; - break; - case INC_MODE_SHARED_PL2: - case INC_MODE_SEPARATE: - /* TODO */ - break; - } - } - - attachInterruptVector(IRQ_PORTD, pl1th_handler); - attachInterruptVector(IRQ_PORTC, pl2th_handler); - attachInterruptVector(IRQ_PORTA, vsync_handler); -} - -static noinline void choose_isrs_idle(void) -{ - attachInterruptVector(IRQ_PORTD, pl1th_isr_fixed); - attachInterruptVector(IRQ_PORTC, pl2th_isr_fixed); - attachInterruptVector(IRQ_PORTA, vsync_isr_nop); -} - -static void udelay(uint32_t us) -{ - uint32_t start = micros(); - while ((micros() - start) < us) { - asm volatile("nop; nop; nop; nop"); - yield(); - } + // 4 pads, nothing pressed + g.tp_state[0] = 0x03; + g.tp_state[1] = 0x0f; + g.tp_state[2] = 0x00; + g.tp_state[3] = 0x00; + for (i = 4; i < 8; i++) + g.tp_state[i] = 0x00; // 3btn + for (; i < 16; i++) + g.tp_state[i] = 0x0f; + + g.cnt = 0; + g.pl1th = PL1_TH(); } -static void do_start_seq(void) +static void switch_mode(int mode) { - uint32_t edge_cnt_last; - uint32_t edge_cnt; - uint32_t start, t1, t2; - int tout; - - start = micros(); - edge_cnt = g.edge_cnt; - - /* magic value */ - g.pl[0].fixed_state[0] = - g.pl[0].fixed_state[1] = 0x25; - - for (tout = 10000; tout > 0; tout--) { - edge_cnt_last = edge_cnt; - udelay(100); - edge_cnt = g.edge_cnt; - - if (edge_cnt != edge_cnt_last) - continue; - if (!PL1_TH()) - break; - } + void (*pl1_handler)(void) = pl1_isr_3btn; + void (*pl2_handler)(void) = pl2_isr_nop; - g.pl[0].fixed_state[0] = 0x33; - g.pl[0].fixed_state[1] = 0x3f; - GPIOD_PDOR = 0x33; + clear_state(); - t1 = micros(); - if (tout == 0) { - printf("start_seq timeout1, t=%u\n", t1 - start); - return; - } - - for (tout = 100000; tout > 0; tout--) { - udelay(1); - - if (PL1_TH()) - break; - } - - t2 = micros(); - if (tout == 0) { - printf("start_seq timeout2, t1=%u, t2=%u\n", - t1 - start, t2 - t1); - return; - } - - //printf(" t1=%u, t2=%u\n", t1 - start, t2 - t1); - - if (g.stream_started) { - printf("got start_seq when already started\n"); - return; - } - - if (!g.stream_enable_to && !g.stream_enable_from) { - printf("got start_seq, without enable from USB\n"); - return; - } - - if (g.stream_enable_to && g.pos_to_p[0].i == g.pos_to_p[0].o) { - printf("got start_seq while stream_to is empty\n"); - return; - } - - if (g.stream_enable_from && g.pos_from.i != g.pos_from.o) { - printf("got start_seq while stream_from is not empty\n"); - return; + switch (mode) { + default: + case OP_MODE_3BTN: + case OP_MODE_6BTN: + pinMode(20, OUTPUT); + break; + case OP_MODE_TEAMPLAYER: + pinMode(20, INPUT); + attachInterrupt(20, pl1_handler, CHANGE); + pl1_handler = pl1_isr_tp; + pl2_handler = pl2_isr_nop; + GPIOB_PDOR = PL2_ADJ(0x3f); + break; } - __disable_irq(); - choose_isrs(); - g.stream_started = 1; - __enable_irq(); + attachInterruptVector(IRQ_PORTD, pl1_handler); + attachInterruptVector(IRQ_PORTC, pl2_handler); + g.mode = mode; } -// callers must disable IRQs -static void clear_state(void) +// btns: MXYZ SACB RLDU +static void update_btns_3btn(const struct tp_pkt *pkt, uint32_t player) { - int i; - - g.stream_enable_to = 0; - g.stream_enable_from = 0; - g.stream_started = 0; - g.stream_ended = 0; - g.inc_mode = INC_MODE_VSYNC; - g.use_pending = 0; - for (i = 0; i < ARRAY_SIZE(g.pos_to_p); i++) - g.pos_to_p[i].i = g.pos_to_p[i].o = 0; - g.pos_from.i = g.pos_from.o = 0; - g.frame_cnt = 0; - memset(g.stream_to[1], 0x3f, sizeof(g.stream_to[1])); - choose_isrs_idle(); -} + // ?1CB RLDU ?0SA 00DU + uint16_t s_3btn; -static int get_space_to(int p) -{ - return STREAM_BUF_SIZE - ((g.pos_to_p[p].i - g.pos_to_p[p].o) - & STREAM_BUF_MASK); + s_3btn = (~pkt->bnts[player] << 8) & 0x3f00; + s_3btn |= (~pkt->bnts[player] >> 2) & 0x0030; // SA + s_3btn |= (~pkt->bnts[player] ) & 0x0003; // DU + g.btn3_state[player].hw = s_3btn; } -static int get_used_from(void) +static void update_btns_tp(const struct tp_pkt *pkt, uint32_t player) { - return (g.pos_from.i - g.pos_from.o) & STREAM_BUF_MASK; + uint8_t b0, b1; + + b0 = ~pkt->bnts[player] & 0x0f; + b1 = (~pkt->bnts[player] >> 4) & 0x0f; + g.tp_state[8 + player * 2 ] = b0; + g.tp_state[8 + player * 2 + 1] = b1; } -static void do_usb(void *buf) +static void do_usb(const void *buf) { - struct tas_pkt *pkt = buf; - uint32_t pos_to_i, i, p; - int space; + const struct tp_pkt *pkt = buf; + uint32_t i; switch (pkt->type) { - case PKT_FIXED_STATE: - memcpy(&i, pkt->data, sizeof(i)); - if (g.use_pending) - g.pl[0].pending_state32 = i; - else - g.pl[0].fixed_state32 = i; - break; - case PKT_STREAM_ENABLE: - __disable_irq(); - clear_state(); - /* wait for start from MD */ - g.stream_enable_to = pkt->enable.stream_to; - g.stream_enable_from = pkt->enable.stream_from; - g.inc_mode = pkt->enable.inc_mode; - if (pkt->enable.no_start_seq) { - GPIOD_PDOR = 0x3f; - choose_isrs(); - g.stream_started = 1; - } - __enable_irq(); - break; - case PKT_STREAM_ABORT: + case PKT_UPD_MODE: __disable_irq(); - clear_state(); + switch_mode(pkt->mode); __enable_irq(); break; - case PKT_STREAM_END: - g.stream_ended = 1; - printf("end of stream\n"); - break; - case PKT_STREAM_DATA_TO_P1: - case PKT_STREAM_DATA_TO_P2: - p = pkt->type == PKT_STREAM_DATA_TO_P1 ? 0 : 1; - pos_to_i = g.pos_to_p[p].i; - space = get_space_to(p); - if (space <= pkt->size / STREAM_EL_SZ) { - printf("got data pkt while space=%d\n", space); - return; - } - for (i = 0; i < pkt->size / STREAM_EL_SZ; i++) { - memcpy(&g.stream_to[p][pos_to_i++], - pkt->data + i * STREAM_EL_SZ, - STREAM_EL_SZ); - pos_to_i &= STREAM_BUF_MASK; + case PKT_UPD_BTNS: + switch (g.mode) { + case OP_MODE_3BTN: + if (pkt->changed_players & 1) + update_btns_3btn(pkt, 0); + if (pkt->changed_players & 2) + update_btns_3btn(pkt, 1); + break; + case OP_MODE_TEAMPLAYER: + for (i = 0; i < 4; i++) { + if (!(pkt->changed_players & (1 << i))) + continue; + update_btns_tp(pkt, i); + } } - g.pos_to_p[p].i = pos_to_i; break; default: printf("got unknown pkt type: %04x\n", pkt->type); @@ -508,58 +249,17 @@ static void do_usb(void *buf) } } -static void check_get_data(int p) -{ - struct tas_pkt pkt; - uint8_t buf[64]; - int ret; - - if (get_space_to(p) <= sizeof(pkt.data) / STREAM_EL_SZ) - return; - - if (g.pos_to_p[p].i == g.pos_to_p[p].o && g.frame_cnt != 0) { - printf("underflow detected\n"); - g.stream_enable_to = 0; - return; - } - - pkt.type = PKT_STREAM_REQ; - pkt.req.frame = g.frame_cnt; - pkt.req.is_p2 = p; - - ret = usb_rawhid_send(&pkt, 1000); - if (ret != sizeof(pkt)) { - printf("send STREAM_REQ/%d: %d\n", p, ret); - return; - } - - ret = usb_rawhid_recv(buf, 1000); - if (ret != 64) - printf("usb_rawhid_recv/s: %d\n", ret); - else - do_usb(buf); -} - int main(void) { uint32_t led_time = 0; - uint32_t scheck_time = 0; - uint32_t edge_cnt_last; - uint32_t edge_cnt; uint8_t buf[64]; - int i, ret; + int ret; delay(1000); // wait for usb.. - /* ?0SA 00DU, ?1CB RLDU */ - for (i = 0; i < 2; i++) { - g.pl[i].fixed_state[0] = 0x33; - g.pl[i].fixed_state[1] = 0x3f; - } - printf("starting, rawhid: %d\n", usb_rawhid_available()); - choose_isrs_idle(); + switch_mode(OP_MODE_3BTN); // md pin th tr tl r l d u vsync th tr tl r l d u // 7 9 6 4 3 2 1 7 9 6 4 3 2 1 @@ -570,7 +270,8 @@ int main(void) // player1 pinMode(21, INPUT); - attachInterrupt(21, pl1th_isr_fixed, CHANGE); + // note: func is not used, see attachInterruptVector() + attachInterrupt(21, pl1_isr_3btn, CHANGE); NVIC_SET_PRIORITY(IRQ_PORTD, 0); pinMode( 2, OUTPUT); @@ -582,7 +283,7 @@ int main(void) // player2 pinMode(15, INPUT); - attachInterrupt(15, pl1th_isr_fixed, CHANGE); + attachInterrupt(15, pl2_isr_nop, CHANGE); NVIC_SET_PRIORITY(IRQ_PORTC, 0); pinMode(16, OUTPUT); @@ -592,11 +293,6 @@ int main(void) pinMode( 0, OUTPUT); pinMode( 1, OUTPUT); - // vsync line - pinMode(3, INPUT); - attachInterrupt(3, vsync_isr_nop, RISING); - NVIC_SET_PRIORITY(IRQ_PORTA, 16); - // led pinMode(13, OUTPUT); @@ -615,61 +311,11 @@ int main(void) printf("BASEPRI: %d, SHPR: %08x %08x %08x\n", ret, SCB_SHPR1, SCB_SHPR2, SCB_SHPR3); - edge_cnt_last = g.edge_cnt; - while (1) { - struct tas_pkt pkt; uint32_t now; - if (g.stream_enable_to && !g.stream_ended) { - check_get_data(0); - if (g.inc_mode == INC_MODE_SHARED_PL2 - || g.inc_mode == INC_MODE_SEPARATE) - check_get_data(1); - } - - while (g.stream_enable_from && !g.stream_ended - && get_used_from() >= sizeof(pkt.data) / STREAM_EL_SZ) - { - uint32_t o; - int i; - - o = g.pos_from.o; - for (i = 0; i < sizeof(pkt.data); i += STREAM_EL_SZ) { - memcpy(pkt.data + i, &g.stream_from[o++], - STREAM_EL_SZ); - o &= STREAM_BUF_MASK; - } - g.pos_from.o = o; - - pkt.type = PKT_STREAM_DATA_FROM; - pkt.size = i; - - ret = usb_rawhid_send(&pkt, 1000); - if (ret != sizeof(pkt)) { - printf("send DATA_FROM: %d\n", ret); - break; - } - } - now = millis(); - // start condition check - if (now - scheck_time > 1000) { - edge_cnt = g.edge_cnt; - //printf("e: %d th: %d\n", edge_cnt - edge_cnt_last, - // PL1_TH()); - if ((g.stream_enable_to || g.stream_enable_from) - && !g.stream_started - && edge_cnt - edge_cnt_last > 10000) - { - do_start_seq(); - edge_cnt = g.edge_cnt; - } - edge_cnt_last = edge_cnt; - scheck_time = now; - } - // led? if (CORE_PIN13_PORTREG & CORE_PIN13_BITMASK) { if ((int)(now - led_time) > 10) diff --git a/teensytp/pkts.h b/teensytp/pkts.h index 582fa72..52ccfee 100644 --- a/teensytp/pkts.h +++ b/teensytp/pkts.h @@ -1,38 +1,24 @@ enum tas_pkt_type { - PKT_FIXED_STATE = 0xef01, - PKT_STREAM_ENABLE = 0xef02, - PKT_STREAM_REQ = 0xef03, - PKT_STREAM_DATA_TO_P1 = 0xef04, - PKT_STREAM_DATA_TO_P2 = 0xef05, - PKT_STREAM_DATA_FROM = 0xef06, - PKT_STREAM_END = 0xef07, - PKT_STREAM_ABORT = 0xef08, + PKT_UPD_MODE = 0xe301, // op_mode + PKT_UPD_BTNS = 0xe302, }; -struct tas_pkt { +struct tp_pkt { uint16_t type; - uint16_t size; // for DATA_FROM/TO + uint16_t pad; union { uint8_t data[60]; + uint32_t mode; struct { - uint32_t frame; // just fyi - uint8_t is_p2; - } req; - struct { - uint8_t stream_to; - uint8_t stream_from; - // frame increment on read - uint8_t inc_mode; - uint8_t no_start_seq; - } enable; + uint32_t changed_players; + uint32_t bnts[4]; // MXYZ SACB RLDU + }; }; } __attribute__((packed)); -enum inc_mode { - INC_MODE_VSYNC = 0, - // shared stream index incremented by pl1 or pl2 - INC_MODE_SHARED_PL1 = 1, - INC_MODE_SHARED_PL2 = 2, - INC_MODE_SEPARATE = 3, +enum op_mode { + OP_MODE_3BTN = 0, + OP_MODE_6BTN = 1, + OP_MODE_TEAMPLAYER = 2, };