#include <stdlib.h>
#include <unistd.h>
#include <string.h>
-#include <zip.h>
#include <glib.h>
#include <sigrok.h>
#include <config.h>
/* demo.c */
extern GIOChannel channels[2];
-/* There can only be one session at a time. */
-struct session *session;
-int num_sources = 0;
-/* These live in hwplugin.c, for the frontend to override. */
-extern source_callback_add source_cb_add;
-extern source_callback_remove source_cb_remove;
-
struct source {
int fd;
int events;
void *user_data;
};
+/* There can only be one session at a time. */
+struct session *session;
+int num_sources = 0;
+
struct source *sources = NULL;
int source_timeout = -1;
-
-
-struct session *session_load(const char *filename)
-{
- struct session *session;
-
- /* Avoid compiler warnings. */
- filename = filename;
-
- /* TODO: Implement. */
- session = NULL;
-
- return session;
-}
-
struct session *session_new(void)
{
session = calloc(1, sizeof(struct session));
g_slist_append(session->datafeed_callbacks, callback);
}
-int session_start(void)
-{
- struct sr_device *device;
- GSList *l;
- int ret;
-
- g_message("starting session");
- for (l = session->devices; l; l = l->next) {
- device = l->data;
- if ((ret = device->plugin->start_acquisition(
- device->plugin_index, device)) != SR_OK)
- break;
- }
-
- return ret;
-}
-
-void session_run(void)
+static void session_run_poll()
{
GPollFD *fds, my_gpollfd;
int ret, i;
- g_message("running session");
- session->running = TRUE;
fds = NULL;
while (session->running) {
if (fds)
* asked for that timeout.
*/
sources[i].cb(fds[i].fd, fds[i].revents,
- sources[i].user_data);
+ sources[i].user_data);
}
}
}
}
+int session_start(void)
+{
+ struct sr_device *device;
+ GSList *l;
+ int ret;
+
+ g_message("session: starting");
+ for (l = session->devices; l; l = l->next) {
+ device = l->data;
+ if ((ret = device->plugin->start_acquisition(
+ device->plugin_index, device)) != SR_OK)
+ break;
+ }
+
+ return ret;
+}
+
+void session_run(void)
+{
+
+ g_message("session: running");
+ session->running = TRUE;
+
+ /* do we have real sources? */
+ if (num_sources == 1 && sources[0].fd == -1)
+ /* dummy source, freewheel over it */
+ while (session->running)
+ sources[0].cb(-1, 0, sources[0].user_data);
+ else
+ /* real sources, use g_poll() main loop */
+ session_run_poll();
+
+}
+
void session_halt(void)
{
- g_message("halting session");
+ g_message("session: halting");
session->running = FALSE;
}
struct sr_device *device;
GSList *l;
- g_message("stopping session");
+ g_message("session: stopping");
session->running = FALSE;
for (l = session->devices; l; l = l->next) {
device = l->data;
}
}
-int session_save(char *filename)
-{
- GSList *l, *p, *d;
- FILE *meta;
- struct sr_device *device;
- struct probe *probe;
- struct datastore *ds;
- struct zip *zipfile;
- struct zip_source *versrc, *metasrc, *logicsrc;
- int bufcnt, devcnt, tmpfile, ret, error;
- char version[1], rawname[16], metafile[32], *newfn, *buf;
-
- newfn = g_malloc(strlen(filename) + 10);
- strcpy(newfn, filename);
- if (strstr(filename, ".sigrok") != filename+strlen(filename)-7)
- strcat(newfn, ".sigrok");
-
- /* Quietly delete it first, libzip wants replace ops otherwise. */
- unlink(newfn);
- if (!(zipfile = zip_open(newfn, ZIP_CREATE, &error)))
- return SR_ERR;
- g_free(newfn);
-
- /* "version" */
- version[0] = '1';
- if (!(versrc = zip_source_buffer(zipfile, version, 1, 0)))
- return SR_ERR;
- if (zip_add(zipfile, "version", versrc) == -1) {
- g_message("error saving version into zipfile: %s",
- zip_strerror(zipfile));
- return SR_ERR;
- }
-
- /* init "metadata" */
- strcpy(metafile, "sigrok-meta-XXXXXX");
- if ((tmpfile = g_mkstemp(metafile)) == -1)
- return SR_ERR;
- close(tmpfile);
- meta = fopen(metafile, "wb");
- fprintf(meta, "sigrok version = %s\n", PACKAGE_VERSION);
- /* TODO: save protocol decoders used */
-
- /* all datastores in all devices */
- devcnt = 1;
- for (l = session->devices; l; l = l->next) {
- device = l->data;
- /* metadata */
- fprintf(meta, "[device]\n");
- if (device->plugin)
- fprintf(meta, "driver = %s\n", device->plugin->name);
-
- ds = device->datastore;
- if (ds) {
- /* metadata */
- fprintf(meta, "capturefile = logic-%d\n", devcnt);
- for (p = device->probes; p; p = p->next) {
- probe = p->data;
- if (probe->enabled) {
- fprintf(meta, "probe %d", probe->index);
- if (probe->name)
- fprintf(meta, " name \"%s\"", probe->name);
- if (probe->trigger)
- fprintf(meta, " trigger \"%s\"",
- probe->trigger);
- fprintf(meta, "\n");
- }
- }
-
- /* dump datastore into logic-n */
- buf = malloc(ds->num_units * ds->ds_unitsize +
- DATASTORE_CHUNKSIZE);
- bufcnt = 0;
- for (d = ds->chunklist; d; d = d->next) {
- memcpy(buf + bufcnt, d->data,
- DATASTORE_CHUNKSIZE);
- bufcnt += DATASTORE_CHUNKSIZE;
- }
- if (!(logicsrc = zip_source_buffer(zipfile, buf,
- ds->num_units * ds->ds_unitsize, TRUE)))
- return SR_ERR;
- snprintf(rawname, 15, "logic-%d", devcnt);
- if (zip_add(zipfile, rawname, logicsrc) == -1)
- return SR_ERR;
- }
- devcnt++;
- }
- fclose(meta);
-
- if (!(metasrc = zip_source_file(zipfile, metafile, 0, -1)))
- return SR_ERR;
- if (zip_add(zipfile, "metadata", metasrc) == -1)
- return SR_ERR;
-
- if ((ret = zip_close(zipfile)) == -1) {
- g_message("error saving zipfile: %s", zip_strerror(zipfile));
- return SR_ERR;
- }
-
- unlink(metafile);
-
- return SR_OK;
-}
-
void session_source_add(int fd, int events, int timeout,
receive_data_callback callback, void *user_data)
{
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