mirror of https://github.com/nealey/hdjd.git
Added support for DJ Console 4-Mx and improved the overall code
This commit is contained in:
JosepMaJAZ
parent
f5a8148993
commit
ce7c770a86
73
alsa.c
73
alsa.c
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@ -7,12 +7,20 @@
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#include "log.h"
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#include "dump.h"
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static snd_seq_t *snd_handle;
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static int seq_port;
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static snd_midi_event_t *midi_event_parser;
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#define ALSA_BUFSIZE 4096
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#define MAX_PFDS 20
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static snd_seq_t *snd_handle = NULL;
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static int seq_port;
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static snd_midi_event_t *midi_event_parser = NULL;
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int npfd;
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struct pollfd pfd[MAX_PFDS];
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void alsa_interrupting()
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{
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//Currently nothing to do.
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}
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int
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alsa_setup(const char *name)
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@ -31,22 +39,25 @@ alsa_setup(const char *name)
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// Allocate parser object for converting to and from MIDI
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if (snd_midi_event_new(ALSA_BUFSIZE, &midi_event_parser) < 0) {
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fatal("ALSA cannot allocate MIDI event parser");
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}
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return 0;
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return -1;
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} else {
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snd_midi_event_no_status(midi_event_parser,1);
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return 0;
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}
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}
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void
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alsa_close()
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{
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snd_midi_event_free(midi_event_parser);
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if (midi_event_parser) {
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snd_midi_event_free(midi_event_parser);
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}
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if (snd_handle) {
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snd_seq_close(snd_handle);
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}
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}
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#define MAX_PFDS 20
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int npfd;
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struct pollfd pfd[MAX_PFDS];
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void
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alsa_fd_setup(int *nfds, fd_set *rfds, fd_set *wfds)
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{
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@ -66,8 +77,6 @@ alsa_fd_setup(int *nfds, fd_set *rfds, fd_set *wfds)
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FD_SET(pfd[i].fd, rfds);
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}
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}
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}
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void
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@ -93,10 +102,36 @@ alsa_read_ready()
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warn("snd_seq_event_input() = %d", r);
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continue;
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}
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converted = snd_midi_event_decode(midi_event_parser, buf, ALSA_BUFSIZE, ev);
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if (converted < 0) {
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warn("Can't decode MIDI event type %x", ev->type);
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if (ev->type == SND_SEQ_EVENT_CLIENT_START ) {
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printf("Client started \n");
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continue;
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} else if (ev->type == SND_SEQ_EVENT_CLIENT_EXIT) {
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printf("Client exited \n");
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continue;
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} else if (ev->type == SND_SEQ_EVENT_CLIENT_CHANGE) {
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printf("Client status/info changed \n");
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continue;
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} else if (ev->type == SND_SEQ_EVENT_PORT_START) {
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printf("Port created \n");
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continue;
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} else if (ev->type == SND_SEQ_EVENT_PORT_EXIT) {
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printf("Port deleted \n");
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continue;
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} else if (ev->type == SND_SEQ_EVENT_PORT_CHANGE) {
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printf("Port status/info changed \n");
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continue;
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} else if (ev->type == SND_SEQ_EVENT_PORT_SUBSCRIBED) {
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printf("Port connected \n");
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continue;
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} else if (ev->type == SND_SEQ_EVENT_PORT_UNSUBSCRIBED) {
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printf("Port disconnected \n");
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continue;
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} else {
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warn("Can't decode MIDI event type 0x%02x", ev->type);
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}
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continue;
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}
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@ -137,7 +172,7 @@ alsa_write(uint8_t *data, size_t datalen)
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snd_midi_event_init(midi_event_parser);
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for (; datalen > offset;) {
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while( datalen > offset) {
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snd_seq_event_t ev;
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long encoded;
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int r;
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@ -146,9 +181,9 @@ alsa_write(uint8_t *data, size_t datalen)
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if (encoded <= 1) {
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int i;
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warn("Unable to encode MIDI message (%ld < %ld)", encoded, datalen);
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warn("Unable to encode MIDI message (%ld < %ld)", encoded, (long int)datalen);
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fprintf(stderr, " ");
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for (i = offset; i < datalen; i += 1) {
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for (i = offset; i < (long int)datalen; i += 1) {
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fprintf(stderr, "%02x ", data[i]);
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}
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fprintf(stderr, "\n");
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2
alsa.h
2
alsa.h
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@ -5,6 +5,8 @@
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#include <sys/select.h>
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int alsa_setup(const char *name);
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void alsa_close();
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void alsa_interrupting();
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void alsa_fd_setup(int *nfds, fd_set *rfds, fd_set *wfds);
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void alsa_read_ready();
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void alsa_check_fds(fd_set *rfds, fd_set *wfds);
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22
hdjd.c
22
hdjd.c
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@ -1,3 +1,4 @@
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#include <signal.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <sys/select.h>
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@ -5,30 +6,42 @@
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#include "usb.h"
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#include "dump.h"
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static volatile int keepRunning = 1;
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void intHandler(int dummy) {
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keepRunning = 0;
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usb_interrupting();
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alsa_interrupting();
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}
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int
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setup()
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{
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char name[100];
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if (usb_setup(name, sizeof(name)) < 0) {
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usb_finish();
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return -1;
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}
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if (alsa_setup(name) < 0) {
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alsa_close();
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return -1;
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}
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return 0;
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}
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int
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main(int argc, char *argv[])
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{
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if (setup() < 0) {
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return 69;
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}
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for (;;) {
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signal(SIGINT, intHandler);
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while (keepRunning) {
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fd_set rfds;
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fd_set wfds;
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int nfds = 0;
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@ -47,9 +60,10 @@ main(int argc, char *argv[])
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alsa_check_fds(&rfds, &wfds);
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usb_check_fds(&rfds, &wfds);
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//DUMP();
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}
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printf("Exiting...\n");
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usb_finish();
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alsa_close();
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return 0;
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}
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292
usb.c
292
usb.c
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@ -9,82 +9,211 @@
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#include "log.h"
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#include "dump.h"
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static struct libusb_device_handle *usb_dev;
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static const struct device *d;
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static int writes_pending = 0;
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static int reads_pending = 0;
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#define MAX_PFDS 20
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struct device {
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uint16_t product_id;
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uint8_t interface_number;
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uint8_t ep_in;
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uint8_t ep_out;
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uint8_t ep_in2;
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uint8_t interface_number2;
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};
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const struct device devices[] = {
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{ 0xb102, 1, 0x83, 0x04 }, // Steel
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{ 0xb105, 1, 0x82, 0x03 }, // MP3e2
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{ 0xb102, 1, 0x83, 0x04, 0x0, 0 }, // Steel
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{ 0xb105, 1, 0x82, 0x03, 0x0, 0 }, // MP3e2
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{ 0xb120, 1, 0x82, 0x03, 0x0, 0 }, // Hercules MP3 LE / Glow
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{ 0xb107, 1, 0x83, 0x03, 0x0, 0 }, // Hercules Mk4
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{ 0xb100, 1, 0x86, 0x06, 0x0, 0 }, // Hercules Mk2
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{ 0xb109, 5, 0x83, 0x03, 0x84, 0}, // 4-Mx
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{ 0, 0, 0, 0 }
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};
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void usb_xfer_done(struct libusb_transfer *transfer);
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static const int MANUFACTURER_HERCULES = 0x6f8;
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static libusb_context *context = NULL;
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static struct libusb_device_handle *usb_dev = NULL;
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static const struct device *dev_info;
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const struct libusb_pollfd **usb_fds = NULL;
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struct libusb_transfer *xfer_in;
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struct libusb_transfer *xfer_in2;
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static int writes_pending = 0;
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static int reads_pending = 0;
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void usb_xfer_done(struct libusb_transfer *xfer);
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void usb_xfer_done_additional(struct libusb_transfer *xfer);
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void
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usb_interrupting()
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{
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libusb_cancel_transfer(xfer_in);
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if (dev_info->ep_in2 != 0x0) {
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libusb_cancel_transfer(xfer_in2);
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}
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}
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static void
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usb_initiate_transfer()
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{
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static const int buffsize = 256;
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unsigned char *buf;
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buf = (unsigned char *)malloc(256);
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buf = (unsigned char *)malloc(buffsize);
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// Tell libusb we want to know about bulk transfers
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struct libusb_transfer *xfer = libusb_alloc_transfer(0);
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libusb_fill_bulk_transfer(xfer, usb_dev, d->ep_in, buf, 256, usb_xfer_done, NULL, 0);
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libusb_submit_transfer(xfer);
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xfer_in = libusb_alloc_transfer(0);
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//timeout if in 1000 milliseconds it hasn't been sent
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xfer_in->timeout=1000;
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xfer_in->flags |=LIBUSB_TRANSFER_ADD_ZERO_PACKET;
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libusb_fill_bulk_transfer(xfer_in, usb_dev, dev_info->ep_in, buf, buffsize, usb_xfer_done, NULL, 0);
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libusb_submit_transfer(xfer_in);
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reads_pending += 1;
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}
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static void
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usb_initiate_transfer_additional()
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{
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static const int buffsize = 256;
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unsigned char *buf;
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buf = (unsigned char *)malloc(buffsize);
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// Tell libusb we want to know about bulk transfers
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xfer_in2 = libusb_alloc_transfer(0);
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//timeout if in 1000 milliseconds it hasn't been sent
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xfer_in2->timeout=1000;
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xfer_in2->flags |=LIBUSB_TRANSFER_ADD_ZERO_PACKET;
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libusb_fill_bulk_transfer(xfer_in2, usb_dev, dev_info->ep_in2, buf, buffsize, usb_xfer_done_additional, NULL, 0);
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libusb_submit_transfer(xfer_in2);
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}
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void
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usb_xfer_done(struct libusb_transfer *xfer)
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{
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uint8_t *data = xfer->buffer;
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int datalen = xfer->actual_length;
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reads_pending -= 1;
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alsa_write(data, datalen);
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if ( xfer->status == LIBUSB_TRANSFER_COMPLETED ) {
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#ifndef NDEBUG
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printf("Receiving on %02x:", dev_info->ep_in);
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int i;
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for (i = 0; i < datalen; i += 1) {
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printf("%02x ", data[i]);
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}
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printf("\n");
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#endif
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alsa_write(data, datalen);
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}
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free(data);
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libusb_free_transfer(xfer);
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usb_initiate_transfer();
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if ( xfer->status == LIBUSB_TRANSFER_COMPLETED ) {
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usb_initiate_transfer();
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} else if ( xfer->status != LIBUSB_TRANSFER_CANCELLED ) {
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fatal("Stopping EP_IN, because of status %d.\nSoftware needs restarting", xfer->status);
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}
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}
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void
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usb_xfer_done_additional(struct libusb_transfer *xfer)
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{
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uint8_t *data = xfer->buffer;
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if ( xfer->status == LIBUSB_TRANSFER_COMPLETED ) {
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//We don't need to use the information of this call, but it is needed that we
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//poll this, or else it hangs and doesn't receive more data.
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#ifndef NDEBUG
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int datalen = xfer->actual_length;
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printf("Receiving on %02x:", dev_info->ep_in2);
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int i;
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for (i = 0; i < datalen; i += 1) {
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printf("%02x ", data[i]);
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}
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printf("\n");
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#endif
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}
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free(data);
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libusb_free_transfer(xfer);
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if ( xfer->status == LIBUSB_TRANSFER_COMPLETED ) {
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usb_initiate_transfer_additional();
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} else if ( xfer->status != LIBUSB_TRANSFER_CANCELLED ) {
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fatal("Stopping EP_IN2, because of status %d\nSoftware needs restarting", xfer->status);
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}
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}
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int
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usb_setup(char *name, size_t namelen)
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{
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if (libusb_init(NULL) < 0) {
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int ret;
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ret=libusb_init(&context);
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if (ret < 0) {
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fatal("ERROR: %s\n%s", libusb_error_name(ret), libusb_strerror(ret));
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return -1;
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}
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if (libusb_pollfds_handle_timeouts(NULL) == 0) {
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//----------------------------------------------------------------------------
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// Enable debug
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//----------------------------------------------------------------------------
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#ifndef NDEBUG
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libusb_set_debug(context, LIBUSB_LOG_LEVEL_WARNING);
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#endif
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if (libusb_pollfds_handle_timeouts(context) == 0) {
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fatal("I'm too dumb to handle events on such an old system.");
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return -1;
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}
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for (d = devices; d->product_id; d += 1) {
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usb_dev = libusb_open_device_with_vid_pid(NULL, 0x6f8, d->product_id);
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if (usb_dev) {
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break;
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}
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//----------------------------------------------------------------------------
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// Get device list
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//----------------------------------------------------------------------------
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struct libusb_device_descriptor founddesc = {0};
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{
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libusb_device **devs;
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ssize_t count; //holding number of devices in list
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printf("Locating Hercules USB devices...\n(You can also use the lsusb command to locate this information)\n");
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count = libusb_get_device_list(context, &devs);
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if ( count < 0) {
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fatal("Error getting the device list: %s\n%s", libusb_error_name(count), libusb_strerror(count));
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return -1;
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} else if (count == 0) {
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warn("Seems that the USB device list is empty. Is the controller connected? ");
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}
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size_t idx;
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for (idx = 0; idx < count; idx+=1) {
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libusb_device *device = devs[idx];
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struct libusb_device_descriptor listdesc = {0};
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ret = libusb_get_device_descriptor(device, &listdesc);
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if ( ret != 0) {
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warn("Could not get descriptor for device index %ld: %s\n%s",
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(long int)idx, libusb_error_name(count), libusb_strerror(count));
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} else if (listdesc.idVendor == MANUFACTURER_HERCULES) {
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printf("Vendor:Device = %04x:%04x\n", listdesc.idVendor, listdesc.idProduct);
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founddesc = listdesc;
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}
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}
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libusb_free_device_list(devs, 1); //free the list, unref the devices in it
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//----------------------------------------------------------------------------
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}
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for (dev_info = devices; dev_info->product_id; dev_info += 1) {
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usb_dev = libusb_open_device_with_vid_pid(context, MANUFACTURER_HERCULES, dev_info->product_id);
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if (usb_dev) {
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break;
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} else if (dev_info->product_id == founddesc.idProduct) {
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fatal("The controller %04x:%04x could not be opened.\n"
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"Check that you have enough permissions over /dev/bus/usb/ subfolder elements.\n."
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"You might need to create an udev rule at /etc/udev/rules.d/", founddesc.idVendor,founddesc.idProduct);
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}
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}
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if (! usb_dev) {
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fatal("Couldn't find a controller.");
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if (founddesc.idVendor != MANUFACTURER_HERCULES) {
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fatal("Couldn't find a Hercules controller.");
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}
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else {
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fatal("The controller %04x:%04x is not supported.", founddesc.idVendor,founddesc.idProduct);
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}
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return -1;
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}
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// Figure out what it's called
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{
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int ret;
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struct libusb_device_descriptor ddesc;
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name[0]='\0';
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libusb_get_device_descriptor(libusb_get_device(usb_dev), &ddesc);
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ret = libusb_get_string_descriptor_ascii(usb_dev, ddesc.iManufacturer, (unsigned char *)name, namelen);
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if (ret > 0) {
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@ -100,22 +229,49 @@ usb_setup(char *name, size_t namelen)
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printf("Opened [%s]\n", name);
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}
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if (0 != libusb_claim_interface(usb_dev, d->interface_number)) {
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fatal("Couldn't claim interface %d", d->interface_number);
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}
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|
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usb_initiate_transfer();
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ret = libusb_claim_interface(usb_dev, dev_info->interface_number);
|
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if (ret == 0 ) {
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if (dev_info->ep_in2 != 0x0) {
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libusb_claim_interface(usb_dev, dev_info->interface_number2);
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usb_initiate_transfer_additional();
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}
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usb_initiate_transfer();
|
||||
return 0;
|
||||
} else {
|
||||
if (ret == LIBUSB_ERROR_BUSY) {
|
||||
fatal("Couldn't claim interface %d. Already in use?", dev_info->interface_number);
|
||||
} else {
|
||||
fatal("Couldn't claim interface %d. %s\n%s", dev_info->interface_number,
|
||||
libusb_error_name(ret), libusb_strerror(ret));
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
void
|
||||
usb_finish() {
|
||||
int ret;
|
||||
if (usb_dev) {
|
||||
ret = libusb_release_interface(usb_dev, dev_info->interface_number);
|
||||
if (ret != 0 && ret != LIBUSB_ERROR_NOT_FOUND) {
|
||||
warn("Couldn't release interface %d. %s\n%s", dev_info->interface_number,
|
||||
libusb_error_name(ret), libusb_strerror(ret));
|
||||
}
|
||||
libusb_close(usb_dev);
|
||||
usb_dev=NULL;
|
||||
}
|
||||
libusb_exit(context);
|
||||
}
|
||||
|
||||
void
|
||||
usb_fd_setup(int *nfds, fd_set *rfds, fd_set *wfds)
|
||||
{
|
||||
const struct libusb_pollfd **usb_fds = libusb_get_pollfds(NULL);
|
||||
int i;
|
||||
usb_fds = libusb_get_pollfds(context);
|
||||
if (usb_fds == NULL) {
|
||||
warn("could not get the filedescriptors! This is unexpected");
|
||||
}
|
||||
|
||||
int i;
|
||||
for (i = 0; usb_fds[i]; i += 1) {
|
||||
const struct libusb_pollfd *ufd = usb_fds[i];
|
||||
|
||||
|
|
@ -129,38 +285,65 @@ usb_fd_setup(int *nfds, fd_set *rfds, fd_set *wfds)
|
|||
FD_SET(ufd->fd, wfds);
|
||||
}
|
||||
}
|
||||
|
||||
if (reads_pending + writes_pending > 10) {
|
||||
|
||||
if (reads_pending + writes_pending > 100) {
|
||||
warn("%d(r)+%d(w) = %d outstanding USB transactions!", reads_pending, writes_pending, reads_pending + writes_pending);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
usb_check_fds(fd_set *rfds, fd_set *wfds)
|
||||
{
|
||||
const struct libusb_pollfd **usb_fds = libusb_get_pollfds(NULL);
|
||||
if (usb_fds == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
int i;
|
||||
|
||||
for (i = 0; usb_fds[i]; i += 1) {
|
||||
int fd = usb_fds[i]->fd;
|
||||
|
||||
if (FD_ISSET(fd, rfds) || FD_ISSET(fd, wfds)) {
|
||||
libusb_handle_events(NULL);
|
||||
libusb_handle_events(context);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
#if LIBUSB_API_VERSION >= 0x01000104
|
||||
libusb_free_pollfds(usb_fds);
|
||||
usb_fds = NULL;
|
||||
#endif // LIBUSB_API_VERSION >= 0x01000104
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
usb_write_done(struct libusb_transfer *xfer)
|
||||
{
|
||||
if (xfer->status) {
|
||||
if ( xfer->status == LIBUSB_TRANSFER_TIMED_OUT ) {
|
||||
warn("Send timed out");
|
||||
#ifndef NDEBUG
|
||||
uint8_t *data = xfer->buffer;
|
||||
int datalen = xfer->actual_length;
|
||||
int i;
|
||||
for (i = 0; i < datalen; i += 1) {
|
||||
printf("%02x ", data[i]);
|
||||
}
|
||||
printf("\n");
|
||||
#endif
|
||||
} else if ( xfer->status && xfer->status != LIBUSB_TRANSFER_CANCELLED) {
|
||||
warn("USB Write status %d", xfer->status);
|
||||
}
|
||||
writes_pending -= 1;
|
||||
free(xfer->buffer);
|
||||
uint8_t *data = xfer->buffer;
|
||||
#ifndef NDEBUG
|
||||
int datalen = xfer->actual_length;
|
||||
printf("Sent on %02x:", dev_info->ep_out);
|
||||
int i;
|
||||
for (i = 0; i < datalen; i += 1) {
|
||||
printf("%02x ", data[i]);
|
||||
}
|
||||
printf("\n");
|
||||
#endif
|
||||
free(data);
|
||||
libusb_free_transfer(xfer);
|
||||
}
|
||||
|
||||
|
|
@ -169,11 +352,22 @@ usb_write(uint8_t *data, size_t datalen)
|
|||
{
|
||||
struct libusb_transfer *xfer;
|
||||
unsigned char *buf;
|
||||
|
||||
|
||||
writes_pending += 1;
|
||||
xfer = libusb_alloc_transfer(0);
|
||||
//timeout if in 1000 milliseconds it hasn't been sent
|
||||
xfer->timeout=1000;
|
||||
buf = (unsigned char *)malloc(datalen);
|
||||
memcpy(buf, data, datalen);
|
||||
libusb_fill_bulk_transfer(xfer, usb_dev, d->ep_out, buf, datalen, usb_write_done, NULL, 0);
|
||||
libusb_fill_bulk_transfer(xfer, usb_dev, dev_info->ep_out, buf, datalen, usb_write_done, NULL, 0);
|
||||
libusb_submit_transfer(xfer);
|
||||
}
|
||||
#ifndef NDEBUG
|
||||
printf("Preparing to send on %02x:", dev_info->ep_out);
|
||||
int i;
|
||||
for (i = 0; i < datalen; i += 1) {
|
||||
printf("%02x ", data[i]);
|
||||
}
|
||||
printf("\n");
|
||||
#endif
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue