return out;
}
+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 tas_data_to_teensy(uint8_t b, uint8_t *data)
+{
+ /* SCBA RLDU */
+ /* v */
+ /* ?0SA 00DU, ?1CB RLDU */
+ data[0] = (b & 0x13) | ((b >> 2) & 0x20);
+ data[1] = (b & 0x0f) | ((b >> 1) & 0x30);
+ return 2;
+}
+
static int submit_urb(int fd, struct usbdevfs_urb *urb, int ep,
void *buf, size_t buf_size)
{
int pending_urbs = 0;
fd_set rfds, wfds;
const char *tasfn = NULL;
+ const char *outfn = NULL;
uint8_t *tas_data = NULL;
int use_readinc = 0; // frame increment on read
int tas_skip = 0;
int enable_sent = 0;
+ int abort_sent = 0;
int frame_count = 0;
int frames_sent = 0;
char buf_dbg[64 + 1];
struct tas_pkt pkt_out;
struct timeval *timeout = NULL;
struct timeval tout;
+ FILE *outf = NULL;
int i, ret = -1;
int fd;
missing_arg(i);
tasfn = argv[i];
continue;
+ case 'w':
+ i++;
+ if (argv[i] == NULL)
+ missing_arg(i);
+ outfn = argv[i];
+ continue;
case 's':
i++;
if (argv[i] == NULL)
return 1;
}
}
+
+ /* remaining args are evdev filenames */
if (evdev_fd_cnt >= ARRAY_SIZE(evdev_fds)) {
fprintf(stderr, "too many evdevs\n");
break;
}
}
+ if (outfn != NULL) {
+ outf = fopen(outfn, "w");
+ if (outf == NULL) {
+ fprintf(stderr, "fopen %s: ", tasfn);
+ perror("");
+ return 1;
+ }
+ }
+
enable_echo(0);
signal(SIGINT, signal_handler);
dev.fd = -1;
- while (!g_exit)
+ while (!g_exit || (pending_urbs & (1 << URB_DATA_OUT)))
{
if (dev.fd == -1) {
ret = find_device(&dev, 0x16C0, 0x0486);
timeout = NULL;
/* sometihng form stdin? */
- /* something from input devices? */
if (FD_ISSET(STDIN_FILENO, &rfds)) {
char c = 0;
ret = read(STDIN_FILENO, &c, 1);
}
}
+ /* something from input devices? */
fixed_input_changed = 0;
for (i = 0; i < evdev_fd_cnt; i++) {
if (FD_ISSET(evdev_fds[i], &rfds)) {
else if (reaped_urb == &urb[URB_DATA_IN])
{
/* some request from teensy */
- int count;
- uint8_t b;
-
switch (pkt_in.type) {
case PKT_STREAM_REQ:
printf("req: %d/%d/%d\n", pkt_in.req.frame,
frames_sent, frame_count);
- for (i = 0; i < sizeof(pkt_out.data) / 2; i++) {
- pkt_out.data[i * 2 + 0] = 0x33;
- pkt_out.data[i * 2 + 1] = 0x3f;
- }
+ pkt_out.size = 0;
if (frames_sent < frame_count) {
- pkt_out.type = PKT_STREAM_DATA;
-
- count = frame_count - frames_sent;
- if (count > sizeof(pkt_out.data) / 2)
- count = sizeof(pkt_out.data) / 2;
- for (i = 0; i < count; i++) {
- /* SCBA RLDU */
- b = tas_data[frames_sent];
-
- /* ?0SA 00DU, ?1CB RLDU */
- pkt_out.data[i * 2 + 0] = (b & 0x13) | ((b >> 2) & 0x20);
- pkt_out.data[i * 2 + 1] = (b & 0x0f) | ((b >> 1) & 0x30);
+ pkt_out.type = PKT_STREAM_DATA_TO;
+
+ for (i = 0; i < sizeof(pkt_out.data); ) {
+ i += tas_data_to_teensy(tas_data[frames_sent],
+ pkt_out.data + i);
+
frames_sent++;
+ if (frames_sent >= frame_count)
+ break;
}
+ 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 URB_DATA_OUT PKT_STREAM_DATA");
+ 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:
// can't do that yet
continue;
- if (tas_data != NULL && !enable_sent) {
+ if ((tas_data != NULL || outf != NULL) && !enable_sent) {
memset(&pkt_out, 0, sizeof(pkt_out));
pkt_out.type = PKT_STREAM_ENABLE;
- pkt_out.start.use_readinc = use_readinc;
+ pkt_out.enable.stream_to = (tas_data != NULL);
+ pkt_out.enable.stream_from = (outf != NULL);
+ pkt_out.enable.use_readinc = use_readinc;
ret = submit_urb(dev.fd, &urb[URB_DATA_OUT], dev.ifaces[0].ep_out,
&pkt_out, sizeof(pkt_out));
perror("USBDEVFS_SUBMITURB PKT_STREAM_ENABLE");
continue;
}
+ pending_urbs |= 1 << URB_DATA_OUT;
enable_sent = 1;
frames_sent = 0;
+ continue;
}
if (tas_data == NULL && fixed_input_changed) {
memset(&pkt_out, 0, sizeof(pkt_out));
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 URB_DATA_OUT");
+ perror("USBDEVFS_SUBMITURB PKT_FIXED_STATE");
+ break;
+ }
+ pending_urbs |= 1 << URB_DATA_OUT;
+ continue;
+ }
+ if (g_exit && !abort_sent) {
+ memset(&pkt_out, 0, sizeof(pkt_out));
+ pkt_out.type = PKT_STREAM_ABORT;
+
+ 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");
break;
}
pending_urbs |= 1 << URB_DATA_OUT;
+ abort_sent = 1;
continue;
}
enable_echo(1);
+ if (outf != NULL)
+ fclose(outf);
+
if (dev.fd != -1) {
/* deal with pending URBs */
if (pending_urbs & (1 << URB_DATA_IN))
notaz.gp2x.de / megadrive.git / blobdiff