#define TICK 1
static const int hwcaps[] = {
- SR_HWCAP_OSCILLOSCOPE,
- SR_HWCAP_LIMIT_SAMPLES,
- SR_HWCAP_CONTINUOUS,
- SR_HWCAP_TIMEBASE,
- SR_HWCAP_BUFFERSIZE,
- SR_HWCAP_TRIGGER_SOURCE,
- SR_HWCAP_TRIGGER_SLOPE,
- SR_HWCAP_HORIZ_TRIGGERPOS,
- SR_HWCAP_FILTER,
- SR_HWCAP_VDIV,
- SR_HWCAP_COUPLING,
+ SR_CONF_OSCILLOSCOPE,
+ SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_CONTINUOUS,
+ SR_CONF_TIMEBASE,
+ SR_CONF_BUFFERSIZE,
+ SR_CONF_TRIGGER_SOURCE,
+ SR_CONF_TRIGGER_SLOPE,
+ SR_CONF_HORIZ_TRIGGERPOS,
+ SR_CONF_FILTER,
+ SR_CONF_VDIV,
+ SR_CONF_COUPLING,
0,
};
static const char *probe_names[] = {
- "CH1",
- "CH2",
+ "CH1", "CH2",
NULL,
};
};
SR_PRIV struct sr_dev_driver hantek_dso_driver_info;
-static struct sr_dev_driver *hdi = &hantek_dso_driver_info;
+static struct sr_dev_driver *di = &hantek_dso_driver_info;
static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
prof->vendor, prof->model, NULL);
if (!sdi)
return NULL;
- sdi->driver = hdi;
+ sdi->driver = di;
/*
* Add only the real probes -- EXT isn't a source of data, only
devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE);
devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS;
sdi->priv = devc;
- drvc = hdi->priv;
+ drvc = di->priv;
drvc->instances = g_slist_append(drvc->instances, sdi);
return sdi;
static int configure_probes(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
- const struct sr_probe *probe;
+ struct sr_probe *probe;
const GSList *l;
+ int p;
devc = sdi->priv;
+ g_slist_free(devc->enabled_probes);
devc->ch1_enabled = devc->ch2_enabled = FALSE;
- for (l = sdi->probes; l; l = l->next) {
- probe = (struct sr_probe *)l->data;
- if (probe->index == 0)
+ for (l = sdi->probes, p = 0; l; l = l->next, p++) {
+ probe = l->data;
+ if (p == 0)
devc->ch1_enabled = probe->enabled;
- else if (probe->index == 1)
+ else
devc->ch2_enabled = probe->enabled;
+ if (probe->enabled)
+ devc->enabled_probes = g_slist_append(devc->enabled_probes, probe);
}
return SR_OK;
struct dev_context *devc;
GSList *l;
- drvc = hdi->priv;
+ drvc = di->priv;
for (l = drvc->instances; l; l = l->next) {
if (!(sdi = l->data)) {
/* Log error, but continue cleaning up the rest. */
dso_close(sdi);
sr_usb_dev_inst_free(devc->usb);
g_free(devc->triggersource);
+ g_slist_free(devc->enabled_probes);
sr_dev_inst_free(sdi);
}
return SR_OK;
}
-static int hw_init(void)
+static int hw_init(struct sr_context *sr_ctx)
{
struct drv_context *drvc;
return SR_ERR_MALLOC;
}
- if (libusb_init(NULL) != 0) {
- g_free(drvc);
- sr_err("Failed to initialize USB.");
- return SR_ERR;
- }
-
- hdi->priv = drvc;
+ drvc->sr_ctx = sr_ctx;
+ di->priv = drvc;
return SR_OK;
}
devcnt = 0;
devices = 0;
- drvc = hdi->priv;
+ drvc = di->priv;
drvc->instances = NULL;
clear_instances();
/* Find all Hantek DSO devices and upload firmware to all of them. */
- libusb_get_device_list(NULL, &devlist);
+ libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
- sr_err("Failed to get device descriptor: %d.", ret);
+ sr_err("Failed to get device descriptor: %s.",
+ libusb_error_name(ret));
continue;
}
{
struct drv_context *drvc;
- drvc = hdi->priv;
+ drvc = di->priv;
return drvc->instances;
}
err = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE);
if (err != 0) {
- sr_err("Unable to claim interface: %d.", err);
+ sr_err("Unable to claim interface: %s.",
+ libusb_error_name(err));
return SR_ERR;
}
{
struct drv_context *drvc;
- if (!(drvc = hdi->priv))
+ if (!(drvc = di->priv))
return SR_OK;
clear_instances();
- libusb_exit(NULL);
-
return SR_OK;
}
case SR_DI_HWCAPS:
*data = hwcaps;
break;
- case SR_DI_NUM_PROBES:
- *data = GINT_TO_POINTER(NUM_PROBES);
- break;
- case SR_DI_PROBE_NAMES:
- *data = probe_names;
- break;
case SR_DI_BUFFERSIZES:
*data = buffersizes;
break;
ret = SR_OK;
devc = sdi->priv;
switch (hwcap) {
- case SR_HWCAP_LIMIT_FRAMES:
+ case SR_CONF_LIMIT_FRAMES:
devc->limit_frames = *(const uint64_t *)value;
break;
- case SR_HWCAP_TRIGGER_SLOPE:
+ case SR_CONF_TRIGGER_SLOPE:
tmp_u64 = *(const int *)value;
if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE)
ret = SR_ERR_ARG;
devc->triggerslope = tmp_u64;
break;
- case SR_HWCAP_HORIZ_TRIGGERPOS:
+ case SR_CONF_HORIZ_TRIGGERPOS:
tmp_float = *(const float *)value;
if (tmp_float < 0.0 || tmp_float > 1.0) {
sr_err("Trigger position should be between 0.0 and 1.0.");
} else
devc->triggerposition = tmp_float;
break;
- case SR_HWCAP_BUFFERSIZE:
+ case SR_CONF_BUFFERSIZE:
tmp_u64 = *(const int *)value;
for (i = 0; buffersizes[i]; i++) {
if (buffersizes[i] == tmp_u64) {
if (buffersizes[i] == 0)
ret = SR_ERR_ARG;
break;
- case SR_HWCAP_TIMEBASE:
+ case SR_CONF_TIMEBASE:
tmp_rat = *(const struct sr_rational *)value;
for (i = 0; timebases[i].p && timebases[i].q; i++) {
if (timebases[i].p == tmp_rat.p
if (timebases[i].p == 0 && timebases[i].q == 0)
ret = SR_ERR_ARG;
break;
- case SR_HWCAP_TRIGGER_SOURCE:
+ case SR_CONF_TRIGGER_SOURCE:
for (i = 0; trigger_sources[i]; i++) {
if (!strcmp(value, trigger_sources[i])) {
devc->triggersource = g_strdup(value);
if (trigger_sources[i] == 0)
ret = SR_ERR_ARG;
break;
- case SR_HWCAP_FILTER:
+ case SR_CONF_FILTER:
devc->filter_ch1 = devc->filter_ch2 = devc->filter_trigger = 0;
targets = g_strsplit(value, ",", 0);
for (i = 0; targets[i]; i++) {
}
g_strfreev(targets);
break;
- case SR_HWCAP_VDIV:
+ case SR_CONF_VDIV:
/* TODO: Not supporting vdiv per channel yet. */
tmp_rat = *(const struct sr_rational *)value;
for (i = 0; vdivs[i].p && vdivs[i].q; i++) {
if (vdivs[i].p == 0 && vdivs[i].q == 0)
ret = SR_ERR_ARG;
break;
- case SR_HWCAP_COUPLING:
+ case SR_CONF_COUPLING:
/* TODO: Not supporting coupling per channel yet. */
for (i = 0; coupling[i]; i++) {
if (!strcmp(value, coupling[i])) {
return ret;
}
-static void send_chunk(struct dev_context *devc, unsigned char *buf,
+static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf,
int num_samples)
{
struct sr_datafeed_packet packet;
struct sr_datafeed_analog analog;
+ struct dev_context *devc;
float ch1, ch2, range;
int num_probes, data_offset, i;
+ devc = sdi->priv;
num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1;
packet.type = SR_DF_ANALOG;
packet.payload = &analog;
/* TODO: support for 5xxx series 9-bit samples */
+ analog.probes = devc->enabled_probes;
analog.num_samples = num_samples;
analog.mq = SR_MQ_VOLTAGE;
analog.unit = SR_UNIT_VOLT;
static void receive_transfer(struct libusb_transfer *transfer)
{
struct sr_datafeed_packet packet;
+ struct sr_dev_inst *sdi;
struct dev_context *devc;
int num_samples, pre;
- devc = transfer->user_data;
+ sdi = transfer->user_data;
+ devc = sdi->priv;
sr_dbg("receive_transfer(): status %d received %d bytes.",
transfer->status, transfer->actual_length);
/* Avoid the corner case where the chunk ended at
* exactly the trigger point. */
if (num_samples > pre)
- send_chunk(devc, transfer->buffer + pre * 2,
+ send_chunk(sdi, transfer->buffer + pre * 2,
num_samples - pre);
}
} else {
/* Already past the trigger point, just send it all out. */
- send_chunk(devc, transfer->buffer,
+ send_chunk(sdi, transfer->buffer,
num_samples);
}
* pre-trigger samples out now, in one big chunk. */
sr_dbg("End of frame, sending %d pre-trigger buffered samples.",
devc->samp_buffered);
- send_chunk(devc, devc->framebuf, devc->samp_buffered);
+ send_chunk(sdi, devc->framebuf, devc->samp_buffered);
/* Mark the end of this frame. */
packet.type = SR_DF_FRAME_END;
struct sr_datafeed_packet packet;
struct timeval tv;
struct dev_context *devc;
+ struct drv_context *drvc = di->priv;
const struct libusb_pollfd **lupfd;
int num_probes, i;
uint32_t trigger_offset;
* TODO: Doesn't really cancel pending transfers so they might
* come in after SR_DF_END is sent.
*/
- lupfd = libusb_get_pollfds(NULL);
+ lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
for (i = 0; lupfd[i]; i++)
sr_source_remove(lupfd[i]->fd);
free(lupfd);
/* Always handle pending libusb events. */
tv.tv_sec = tv.tv_usec = 0;
- libusb_handle_events_timeout(NULL, &tv);
+ libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
/* TODO: ugh */
if (devc->dev_state == NEW_CAPTURE) {
devc->samp_buffered = devc->samp_received = 0;
/* Tell the scope to send us the first frame. */
- if (dso_get_channeldata(devc, receive_transfer) != SR_OK)
+ if (dso_get_channeldata(sdi, receive_transfer) != SR_OK)
break;
/*
const struct libusb_pollfd **lupfd;
struct sr_datafeed_packet packet;
struct sr_datafeed_header header;
- struct sr_datafeed_meta_analog meta;
struct dev_context *devc;
+ struct drv_context *drvc = di->priv;
int i;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR;
devc->dev_state = CAPTURE;
- lupfd = libusb_get_pollfds(NULL);
+ lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
for (i = 0; lupfd[i]; i++)
sr_source_add(lupfd[i]->fd, lupfd[i]->events, TICK,
handle_event, (void *)sdi);
gettimeofday(&header.starttime, NULL);
sr_session_send(cb_data, &packet);
- /* Send metadata about the SR_DF_ANALOG packets to come. */
- packet.type = SR_DF_META_ANALOG;
- packet.payload = &meta;
- meta.num_probes = NUM_PROBES;
- sr_session_send(cb_data, &packet);
-
return SR_OK;
}
projects / libsigrok.git / blobdiff