* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/time.h>
#include <zip.h>
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "virtual-session"
uint64_t samplerate;
int unitsize;
int num_channels;
+ int num_analog_channels;
+ int cur_analog_channel;
int cur_chunk;
gboolean finished;
};
static const uint32_t devopts[] = {
SR_CONF_CAPTUREFILE | SR_CONF_SET,
SR_CONF_CAPTURE_UNITSIZE | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_NUM_LOGIC_CHANNELS | SR_CONF_SET,
+ SR_CONF_NUM_ANALOG_CHANNELS | SR_CONF_SET,
SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_SESSIONFILE | SR_CONF_SET,
};
-static int receive_data(int fd, int revents, void *cb_data)
+static gboolean stream_session_data(struct sr_dev_inst *sdi)
{
- struct sr_dev_inst *sdi;
struct session_vdev *vdev;
struct sr_datafeed_packet packet;
struct sr_datafeed_logic logic;
char capturefile[16];
void *buf;
- (void)fd;
- (void)revents;
-
- sdi = cb_data;
got_data = FALSE;
vdev = sdi->priv;
- if (!vdev->finished) {
- if (!vdev->capfile) {
- /* No capture file opened yet, or finished with the last
- * chunked one. */
- if (vdev->cur_chunk == 0) {
- /* capturefile is always the unchunked base name. */
- if (zip_stat(vdev->archive, vdev->capturefile, 0, &zs) != -1) {
- /* No chunks, just a single capture file. */
- vdev->cur_chunk = 0;
- if (!(vdev->capfile = zip_fopen(vdev->archive,
- vdev->capturefile, 0)))
- return FALSE;
- sr_dbg("Opened %s.", vdev->capturefile);
- } else {
- /* Try as first chunk filename. */
- snprintf(capturefile, 15, "%s-1", vdev->capturefile);
- if (zip_stat(vdev->archive, capturefile, 0, &zs) != -1) {
- vdev->cur_chunk = 1;
- if (!(vdev->capfile = zip_fopen(vdev->archive,
- capturefile, 0)))
- return FALSE;
- sr_dbg("Opened %s.", capturefile);
- } else {
- sr_err("No capture file '%s' in " "session file '%s'.",
- vdev->capturefile, vdev->sessionfile);
- return FALSE;
- }
- }
+ if (!vdev->capfile) {
+ /* No capture file opened yet, or finished with the last
+ * chunked one. */
+ if (vdev->cur_chunk == 0) {
+ /* capturefile is always the unchunked base name. */
+ if (zip_stat(vdev->archive, vdev->capturefile, 0, &zs) != -1) {
+ /* No chunks, just a single capture file. */
+ vdev->cur_chunk = 0;
+ if (!(vdev->capfile = zip_fopen(vdev->archive,
+ vdev->capturefile, 0)))
+ return FALSE;
+ sr_dbg("Opened %s.", vdev->capturefile);
} else {
- /* Capture data is chunked, advance to the next chunk. */
- vdev->cur_chunk++;
- snprintf(capturefile, 15, "%s-%d", vdev->capturefile,
- vdev->cur_chunk);
+ /* Try as first chunk filename. */
+ snprintf(capturefile, 15, "%s-1", vdev->capturefile);
if (zip_stat(vdev->archive, capturefile, 0, &zs) != -1) {
+ vdev->cur_chunk = 1;
if (!(vdev->capfile = zip_fopen(vdev->archive,
capturefile, 0)))
return FALSE;
sr_dbg("Opened %s.", capturefile);
} else {
- /* We got all the chunks, finish up. */
- vdev->finished = TRUE;
- return TRUE;
+ sr_err("No capture file '%s' in " "session file '%s'.",
+ vdev->capturefile, vdev->sessionfile);
+ return FALSE;
}
}
- }
-
- buf = g_malloc(CHUNKSIZE);
-
- ret = zip_fread(vdev->capfile, buf,
- CHUNKSIZE / vdev->unitsize * vdev->unitsize);
- if (ret > 0) {
- if (ret % vdev->unitsize != 0)
- sr_warn("Read size %d not a multiple of the"
- " unit size %d.", ret, vdev->unitsize);
- got_data = TRUE;
- packet.type = SR_DF_LOGIC;
- packet.payload = &logic;
- logic.length = ret;
- logic.unitsize = vdev->unitsize;
- logic.data = buf;
- vdev->bytes_read += ret;
- sr_session_send(sdi, &packet);
} else {
- /* done with this capture file */
- zip_fclose(vdev->capfile);
- vdev->capfile = NULL;
- if (vdev->cur_chunk == 0) {
- /* It was the only file. */
- vdev->finished = TRUE;
- } else {
- /* There might be more chunks, so don't fall through
- * to the SR_DF_END here. */
- g_free(buf);
+ /* Capture data is chunked, advance to the next chunk. */
+ vdev->cur_chunk++;
+ snprintf(capturefile, 15, "%s-%d", vdev->capturefile,
+ vdev->cur_chunk);
+ if (zip_stat(vdev->archive, capturefile, 0, &zs) != -1) {
+ if (!(vdev->capfile = zip_fopen(vdev->archive,
+ capturefile, 0)))
+ return FALSE;
+ sr_dbg("Opened %s.", capturefile);
+ } else if (vdev->cur_analog_channel < vdev->num_analog_channels) {
+ vdev->capturefile = g_strdup_printf("analog-1-%d",
+ vdev->cur_analog_channel + 1);
+ vdev->cur_analog_channel++;
+ vdev->cur_chunk = 0;
return TRUE;
+ } else {
+ /* We got all the chunks, finish up. */
+ return FALSE;
}
}
- g_free(buf);
}
- if (!got_data) {
- packet.type = SR_DF_END;
+ buf = g_malloc(CHUNKSIZE);
+
+ ret = zip_fread(vdev->capfile, buf,
+ CHUNKSIZE / vdev->unitsize * vdev->unitsize);
+ if (ret > 0) {
+ if (ret % vdev->unitsize != 0)
+ sr_warn("Read size %d not a multiple of the"
+ " unit size %d.", ret, vdev->unitsize);
+ got_data = TRUE;
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ logic.length = ret;
+ logic.unitsize = vdev->unitsize;
+ logic.data = buf;
+ vdev->bytes_read += ret;
sr_session_send(sdi, &packet);
- sr_session_source_remove(sdi->session, -1);
+ } else {
+ /* done with this capture file */
+ zip_fclose(vdev->capfile);
+ vdev->capfile = NULL;
+ if (vdev->cur_chunk != 0) {
+ /* There might be more chunks, so don't fall through
+ * to the SR_DF_END here. */
+ got_data = TRUE;
+ }
+ }
+ g_free(buf);
+
+ return got_data;
+}
+
+static int receive_data(int fd, int revents, void *cb_data)
+{
+ struct sr_dev_inst *sdi;
+ struct session_vdev *vdev;
+ struct sr_datafeed_packet packet;
+
+ (void)fd;
+ (void)revents;
+
+ sdi = cb_data;
+ vdev = sdi->priv;
+
+ if (!vdev->finished && !stream_session_data(sdi))
+ vdev->finished = TRUE;
+ if (!vdev->finished)
+ return G_SOURCE_CONTINUE;
+
+ if (vdev->capfile) {
+ zip_fclose(vdev->capfile);
+ vdev->capfile = NULL;
}
+ if (vdev->archive) {
+ zip_discard(vdev->archive);
+ vdev->archive = NULL;
+ }
+ packet.type = SR_DF_END;
+ packet.payload = NULL;
+ sr_session_send(sdi, &packet);
- return TRUE;
+ return G_SOURCE_REMOVE;
}
/* driver callbacks */
struct drv_context *drvc;
GSList *l;
- drvc = di->priv;
+ drvc = di->context;
for (l = drvc->instances; l; l = l->next)
sr_dev_inst_free(l->data);
g_slist_free(drvc->instances);
struct session_vdev *vdev;
di = sdi->driver;
- drvc = di->priv;
+ drvc = di->context;
vdev = g_malloc0(sizeof(struct session_vdev));
sdi->priv = vdev;
drvc->instances = g_slist_append(drvc->instances, sdi);
vdev->unitsize = g_variant_get_uint64(data);
break;
case SR_CONF_NUM_LOGIC_CHANNELS:
- vdev->num_channels = g_variant_get_uint64(data);
+ vdev->num_channels = g_variant_get_int32(data);
+ break;
+ case SR_CONF_NUM_ANALOG_CHANNELS:
+ vdev->num_analog_channels = g_variant_get_int32(data);
break;
default:
return SR_ERR_NA;
vdev = sdi->priv;
vdev->bytes_read = 0;
+ vdev->cur_analog_channel = 0;
vdev->cur_chunk = 0;
vdev->finished = FALSE;
return SR_OK;
}
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+{
+ struct session_vdev *vdev;
+
+ (void)cb_data;
+ vdev = sdi->priv;
+
+ vdev->finished = TRUE;
+
+ return SR_OK;
+}
+
/** @private */
SR_PRIV struct sr_dev_driver session_driver = {
.name = "virtual-session",
.dev_open = dev_open,
.dev_close = dev_close,
.dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = NULL,
- .priv = NULL,
+ .dev_acquisition_stop = dev_acquisition_stop,
+ .context = NULL,
};
projects / libsigrok.git / blobdiff