From: notaz Date: Wed, 8 Oct 2014 00:45:29 +0000 (+0300) Subject: some recording support, abort cmd on exit X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8e66d024473bcf0c9e535cc3cb8b71677257687;p=megadrive.git some recording support, abort cmd on exit --- diff --git a/host/main.c b/host/main.c index 58fbcb9..a21e419 100644 --- a/host/main.c +++ b/host/main.c @@ -559,6 +559,44 @@ unhandled_line: 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) { @@ -597,10 +635,12 @@ int main(int argc, char *argv[]) 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]; @@ -608,6 +648,7 @@ int main(int argc, char *argv[]) struct tas_pkt pkt_out; struct timeval *timeout = NULL; struct timeval tout; + FILE *outf = NULL; int i, ret = -1; int fd; @@ -620,6 +661,12 @@ int main(int argc, char *argv[]) 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) @@ -634,6 +681,8 @@ int main(int argc, char *argv[]) return 1; } } + + /* remaining args are evdev filenames */ if (evdev_fd_cnt >= ARRAY_SIZE(evdev_fds)) { fprintf(stderr, "too many evdevs\n"); break; @@ -723,12 +772,21 @@ int main(int argc, char *argv[]) } } + 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); @@ -794,7 +852,6 @@ int main(int argc, char *argv[]) timeout = NULL; /* sometihng form stdin? */ - /* something from input devices? */ if (FD_ISSET(STDIN_FILENO, &rfds)) { char c = 0; ret = read(STDIN_FILENO, &c, 1); @@ -810,6 +867,7 @@ int main(int argc, char *argv[]) } } + /* something from input devices? */ fixed_input_changed = 0; for (i = 0; i < evdev_fd_cnt; i++) { if (FD_ISSET(evdev_fds[i], &rfds)) { @@ -852,33 +910,24 @@ int main(int argc, char *argv[]) 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; @@ -886,7 +935,19 @@ int main(int argc, char *argv[]) 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: @@ -914,10 +975,12 @@ int main(int argc, char *argv[]) // 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)); @@ -925,8 +988,10 @@ int main(int argc, char *argv[]) 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)); @@ -936,10 +1001,24 @@ int main(int argc, char *argv[]) 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; } @@ -952,6 +1031,9 @@ 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/main.c b/main.c index a3062c2..0cae7e6 100644 --- a/main.c +++ b/main.c @@ -6,26 +6,35 @@ #include "teensy3/usb_rawhid.h" #include "pkts.h" +#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[STREAM_BUF_SIZE][2]; - uint8_t fixed_state[4]; - uint32_t stream_enable:1; + uint8_t stream_to[STREAM_BUF_SIZE][STREAM_EL_SZ]; + uint8_t stream_from[STREAM_BUF_SIZE][STREAM_EL_SZ]; + union { + uint8_t fixed_state[4]; + uint32_t fixed_state32; + }; + uint32_t stream_enable_to:1; + uint32_t stream_enable_from:1; uint32_t stream_started:1; - uint32_t stream_received:1; + uint32_t stream_ended:1; uint32_t use_readinc:1; uint32_t frame_cnt; uint32_t edge_cnt; - uint32_t i; - uint32_t o; + uint32_t t_i; + uint32_t t_o; + uint32_t f_i; + uint32_t f_o; } g; -#define STREAM_EL_SZ sizeof(g.stream[0]) - ssize_t _write(int fd, const void *buf, size_t nbyte) { char tbuf[64]; @@ -56,7 +65,7 @@ static void portb_isr_fixed(void) g.edge_cnt++; } -static void portb_isr_readinc(void) +static void portb_isr_do_to_inc(void) { uint32_t isfr, th; @@ -64,10 +73,10 @@ static void portb_isr_readinc(void) PORTB_ISFR = isfr; th = (GPIOB_PDIR >> CORE_PIN0_BIT) & 1; - GPIOD_PDOR = g.stream[g.o][th]; + GPIOD_PDOR = g.stream_to[g.t_o][th]; if (th) { - g.o = (g.o + 1) & STREAM_BUF_MASK; - if (g.o == g.i) + g.t_o = (g.t_o + 1) & STREAM_BUF_MASK; + if (g.t_o == g.t_i) // done attachInterruptVector(IRQ_PORTB, portb_isr_fixed); g.frame_cnt++; @@ -75,7 +84,7 @@ static void portb_isr_readinc(void) g.edge_cnt++; } -static void portb_isr_read(void) +static void portb_isr_do_to(void) { uint32_t isfr, th; @@ -83,7 +92,7 @@ static void portb_isr_read(void) PORTB_ISFR = isfr; th = (GPIOB_PDIR >> CORE_PIN0_BIT) & 1; - GPIOD_PDOR = g.stream[g.o][th]; + GPIOD_PDOR = g.stream_to[g.t_o][th]; g.edge_cnt++; } @@ -104,14 +113,51 @@ static void portc_isr_frameinc(void) isfr = PORTC_ISFR; PORTC_ISFR = isfr; - g.o = (g.o + 1) & STREAM_BUF_MASK; - if (g.o == g.i) { + g.t_o = (g.t_o + 1) & STREAM_BUF_MASK; + if (g.t_o == g.t_i) { attachInterruptVector(IRQ_PORTB, portb_isr_fixed); attachInterruptVector(IRQ_PORTC, portc_isr_nop); } g.frame_cnt++; } +/* "recording" data */ +static noinline void do_from_step(void) +{ + uint32_t s; + + // should hopefully give atomic fixed_state read.. + s = g.fixed_state32; + g.stream_from[g.f_i][0] = s; + g.stream_from[g.f_i][1] = s >> 8; + g.f_i = (g.f_i + 1) & STREAM_BUF_MASK; +} + +static void portb_isr_fixed_do_from(void) +{ + uint32_t isfr, th; + + isfr = PORTB_ISFR; + PORTB_ISFR = isfr; + th = (GPIOB_PDIR >> CORE_PIN0_BIT) & 1; + + GPIOD_PDOR = g.fixed_state[th]; + if (th) + do_from_step(); + g.edge_cnt++; +} + +static void portc_isr_frameinc_do_from(void) +{ + uint32_t isfr; + + isfr = PORTC_ISFR; + PORTC_ISFR = isfr; + + do_from_step(); + g.frame_cnt++; +} + static void udelay(uint32_t us) { uint32_t start = micros(); @@ -178,38 +224,80 @@ static void do_start_seq(void) return; } - if (!g.stream_enable) { + if (!g.stream_enable_to && !g.stream_enable_from) { printf("got start_seq, without enable from USB\n"); return; } - if (g.i == g.o) { - printf("got start_seq while buffer is empty\n"); + if (g.stream_enable_to && g.t_i == g.t_o) { + printf("got start_seq while stream_to is empty\n"); + return; + } + + if (g.stream_enable_from && g.f_i != g.f_o) { + printf("got start_seq while stream_from is not empty\n"); return; } __disable_irq(); g.stream_started = 1; - if (g.use_readinc) { - attachInterruptVector(IRQ_PORTB, portb_isr_readinc); - attachInterruptVector(IRQ_PORTC, portc_isr_nop); + if (g.stream_enable_to) { + if (g.use_readinc) { + attachInterruptVector(IRQ_PORTB, portb_isr_do_to_inc); + attachInterruptVector(IRQ_PORTC, portc_isr_nop); + } + else { + attachInterruptVector(IRQ_PORTB, portb_isr_do_to); + attachInterruptVector(IRQ_PORTC, portc_isr_frameinc); + } } - else { - attachInterruptVector(IRQ_PORTB, portb_isr_read); - attachInterruptVector(IRQ_PORTC, portc_isr_frameinc); + else if (g.stream_enable_from) { + if (g.use_readinc) { + attachInterruptVector(IRQ_PORTB, + portb_isr_fixed_do_from); + attachInterruptVector(IRQ_PORTC, portc_isr_nop); + } + else { + attachInterruptVector(IRQ_PORTB, portb_isr_fixed); + attachInterruptVector(IRQ_PORTC, + portc_isr_frameinc_do_from); + } + + // prep first frame already + do_from_step(); } __enable_irq(); } -static int get_space(void) +// callers must disable IRQs +static void clear_state(void) +{ + g.stream_enable_to = 0; + g.stream_enable_from = 0; + g.use_readinc = 0; + g.stream_started = 0; + g.stream_ended = 0; + g.t_i = g.t_o = 0; + g.f_i = g.f_o = 0; + g.frame_cnt = 0; + attachInterruptVector(IRQ_PORTB, portb_isr_fixed); + attachInterruptVector(IRQ_PORTC, portc_isr_nop); +} + +static int get_space_to(void) { - return STREAM_BUF_SIZE - ((g.i - g.o) & STREAM_BUF_MASK); + return STREAM_BUF_SIZE - ((g.t_i - g.t_o) & STREAM_BUF_MASK); +} + +static int get_used_from(void) +{ + return (g.f_i - g.f_o) & STREAM_BUF_MASK; } static void do_usb(void *buf) { struct tas_pkt *pkt = buf; - uint32_t i, g_i; + uint32_t t_i, i; int space; switch (pkt->type) { @@ -218,35 +306,36 @@ static void do_usb(void *buf) break; case PKT_STREAM_ENABLE: __disable_irq(); + clear_state(); /* wait for start from MD */ - g.stream_enable = 1; - g.stream_started = 0; - g.stream_received = 0; - g.use_readinc = pkt->start.use_readinc; - g.i = g.o = 0; - g.frame_cnt = 0; - attachInterruptVector(IRQ_PORTB, portb_isr_fixed); - attachInterruptVector(IRQ_PORTC, portc_isr_nop); + g.stream_enable_to = pkt->enable.stream_to; + g.stream_enable_from = pkt->enable.stream_from; + g.use_readinc = pkt->enable.use_readinc; + __enable_irq(); + break; + case PKT_STREAM_ABORT: + __disable_irq(); + clear_state(); __enable_irq(); break; case PKT_STREAM_END: - g.stream_received = 1; + g.stream_ended = 1; printf("end of stream\n"); break; - case PKT_STREAM_DATA: - g_i = g.i; - space = get_space(); - if (space <= sizeof(pkt->data) / STREAM_EL_SZ) { + case PKT_STREAM_DATA_TO: + t_i = g.t_i; + space = get_space_to(); + if (space <= pkt->size / STREAM_EL_SZ) { printf("got data pkt while space=%d\n", space); return; } - for (i = 0; i < sizeof(pkt->data) / STREAM_EL_SZ; i++) { - memcpy(&g.stream[g_i++], + for (i = 0; i < pkt->size / STREAM_EL_SZ; i++) { + memcpy(&g.stream_to[t_i++], pkt->data + i * STREAM_EL_SZ, STREAM_EL_SZ); - g_i &= STREAM_BUF_MASK; + t_i &= STREAM_BUF_MASK; } - g.i = g_i; + g.t_i = t_i; break; default: printf("got unknown pkt type: %04x\n", pkt->type); @@ -310,8 +399,9 @@ int main(void) while (1) { struct tas_pkt pkt; - while (g.stream_enable && !g.stream_received - && get_space() > sizeof(pkt.data) / STREAM_EL_SZ) + + while (g.stream_enable_to && !g.stream_ended + && get_space_to() > sizeof(pkt.data) / STREAM_EL_SZ) { pkt.type = PKT_STREAM_REQ; pkt.req.frame = g.frame_cnt; @@ -329,6 +419,30 @@ int main(void) do_usb(buf); } + while (g.stream_enable_from && !g.stream_ended + && get_used_from() >= sizeof(pkt.data) / STREAM_EL_SZ) + { + uint32_t f_o; + int i; + + f_o = g.f_o; + for (i = 0; i < sizeof(pkt.data); i += STREAM_EL_SZ) { + memcpy(pkt.data + i, &g.stream_from[f_o++], + STREAM_EL_SZ); + f_o &= STREAM_BUF_MASK; + } + g.f_o = f_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; + } + } + if (timeout == 1000) { edge_cnt = g.edge_cnt; //printf("e: %d th: %d\n", edge_cnt - edge_cnt_last, diff --git a/pkts.h b/pkts.h index 86e24b8..a51b0d0 100644 --- a/pkts.h +++ b/pkts.h @@ -3,7 +3,8 @@ enum tas_pkt_type { PKT_FIXED_STATE = 0xef01, PKT_STREAM_ENABLE = 0xef02, PKT_STREAM_REQ = 0xef03, - PKT_STREAM_DATA = 0xef04, + PKT_STREAM_DATA_TO = 0xef04, + PKT_STREAM_DATA_FROM = 0xef05, PKT_STREAM_END = 0xef06, PKT_STREAM_ABORT = 0xef07, };