static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
struct dev_context *devc;
struct drv_context *drvc = di->priv;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
devc = sdi->priv;
devc->cb_data = cb_data;
if (configure_probes(sdi) != SR_OK) {
sr_err("Failed to configure probes.");
return SR_ERR;
}
if (dso_init(sdi) != SR_OK)
return SR_ERR;
if (dso_capture_start(sdi) != SR_OK)
return SR_ERR;
devc->dev_state = CAPTURE;
usb_source_add(drvc->sr_ctx, TICK, handle_event, (void *)sdi);
/* Send header packet to the session bus. */
std_session_send_df_header(cb_data, LOG_PREFIX);
return SR_OK;
}
static int hw_set_configuration(int device_index, int capability, void *value)
{
struct sr_device_instance *sdi;
struct fx2_device *fx2;
int ret;
uint64_t *tmp_u64;
if (!(sdi = sr_get_device_instance(device_instances, device_index)))
return SR_ERR;
fx2 = sdi->priv;
if (capability == SR_HWCAP_SAMPLERATE) {
tmp_u64 = value;
ret = set_configuration_samplerate(sdi, *tmp_u64);
} else if (capability == SR_HWCAP_PROBECONFIG) {
ret = configure_probes(fx2, (GSList *) value);
} else if (capability == SR_HWCAP_LIMIT_SAMPLES) {
tmp_u64 = value;
fx2->limit_samples = *tmp_u64;
ret = SR_OK;
} else {
ret = SR_ERR;
}
return ret;
}
static int hw_dev_config_set(int dev_index, int hwcap, void *value)
{
struct sr_dev_inst *sdi;
struct context *ctx;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) {
sr_err("zp: %s: sdi was NULL", __func__);
return SR_ERR;
}
if (!(ctx = sdi->priv)) {
sr_err("zp: %s: sdi->priv was NULL", __func__);
return SR_ERR_ARG;
}
switch (hwcap) {
case SR_HWCAP_SAMPLERATE:
return set_samplerate(sdi, *(uint64_t *)value);
case SR_HWCAP_PROBECONFIG:
return configure_probes(sdi, (GSList *)value);
case SR_HWCAP_LIMIT_SAMPLES:
ctx->limit_samples = *(uint64_t *)value;
return SR_OK;
default:
return SR_ERR;
}
}
int hw_set_configuration(int device_index, int capability, void *value)
{
struct usb_device_instance *udi;
int ret;
uint64_t *tmp_u64;
if( !(udi = get_usb_device_instance(usb_devices, device_index)) )
return SIGROK_NOK;
if(capability == HWCAP_SAMPLERATE) {
tmp_u64 = value;
ret = set_configuration_samplerate(udi, *tmp_u64);
}
else if(capability == HWCAP_PROBECONFIG)
ret = configure_probes( (GSList *) value);
else if(capability == HWCAP_LIMIT_SAMPLES)
{
limit_samples = strtoull(value, NULL, 10);
ret = SIGROK_OK;
}
else
ret = SIGROK_NOK;
return ret;
}
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
const struct libusb_pollfd **lupfd;
struct sr_datafeed_packet packet;
struct sr_datafeed_header header;
struct dev_context *devc;
struct drv_context *drvc = di->priv;
int i;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR;
devc = sdi->priv;
devc->cb_data = cb_data;
if (configure_probes(sdi) != SR_OK) {
sr_err("Failed to configure probes.");
return SR_ERR;
}
if (dso_init(devc) != SR_OK)
return SR_ERR;
if (dso_capture_start(devc) != SR_OK)
return SR_ERR;
devc->dev_state = CAPTURE;
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);
free(lupfd);
/* Send header packet to the session bus. */
packet.type = SR_DF_HEADER;
packet.payload = (unsigned char *)&header;
header.feed_version = 1;
gettimeofday(&header.starttime, NULL);
sr_session_send(cb_data, &packet);
return SR_OK;
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
struct dev_context *devc;
uint8_t buf[4];
int bytes_written;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
if (!(devc = sdi->priv)) {
sr_err("%s: sdi->priv was NULL.", __func__);
return SR_ERR_BUG;
}
if (!devc->ftdic) {
sr_err("%s: devc->ftdic was NULL.", __func__);
return SR_ERR_BUG;
}
devc->divcount = samplerate_to_divcount(devc->cur_samplerate);
if (devc->divcount == 0xff) {
sr_err("%s: Invalid divcount/samplerate.", __func__);
return SR_ERR;
}
if (configure_probes(sdi) != SR_OK) {
sr_err("Failed to configure probes.");
return SR_ERR;
}
/* Fill acquisition parameters into buf[]. */
buf[0] = devc->divcount;
buf[1] = 0xff; /* This byte must always be 0xff. */
buf[2] = devc->trigger_pattern;
buf[3] = devc->trigger_mask;
/* Start acquisition. */
bytes_written = la8_write(devc, buf, 4);
if (bytes_written < 0) {
sr_err("Acquisition failed to start: %d.", bytes_written);
return SR_ERR;
} else if (bytes_written != 4) {
sr_err("Acquisition failed to start: %d.", bytes_written);
return SR_ERR;
}
sr_dbg("Hardware acquisition started successfully.");
devc->cb_data = cb_data;
/* Send header packet to the session bus. */
std_session_send_df_header(cb_data, LOG_PREFIX);
/* Time when we should be done (for detecting trigger timeouts). */
devc->done = (devc->divcount + 1) * 0.08388608 + time(NULL)
+ devc->trigger_timeout;
devc->block_counter = 0;
devc->trigger_found = 0;
/* Hook up a dummy handler to receive data from the LA8. */
sr_source_add(-1, G_IO_IN, 0, receive_data, (void *)sdi);
return SR_OK;
}
