/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
*
SR_CONF_NUM_VDIV,
};
-static const char *probe_names[] = {
+static const char *channel_names[] = {
"CH1", "CH2",
NULL,
};
SR_PRIV struct sr_dev_driver 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);
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof)
{
struct sr_dev_inst *sdi;
- struct sr_probe *probe;
+ struct sr_channel *ch;
struct drv_context *drvc;
struct dev_context *devc;
int i;
sdi->driver = di;
/*
- * Add only the real probes -- EXT isn't a source of data, only
+ * Add only the real channels -- EXT isn't a source of data, only
* a trigger source internal to the device.
*/
- for (i = 0; probe_names[i]; i++) {
- if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
- probe_names[i])))
+ for (i = 0; channel_names[i]; i++) {
+ if (!(ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE,
+ channel_names[i])))
return NULL;
- sdi->probes = g_slist_append(sdi->probes, probe);
+ sdi->channels = g_slist_append(sdi->channels, ch);
}
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
return sdi;
}
-static int configure_probes(const struct sr_dev_inst *sdi)
+static int configure_channels(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
- struct sr_probe *probe;
+ struct sr_channel *ch;
const GSList *l;
int p;
devc = sdi->priv;
- g_slist_free(devc->enabled_probes);
+ g_slist_free(devc->enabled_channels);
devc->ch1_enabled = devc->ch2_enabled = FALSE;
- for (l = sdi->probes, p = 0; l; l = l->next, p++) {
- probe = l->data;
+ for (l = sdi->channels, p = 0; l; l = l->next, p++) {
+ ch = l->data;
if (p == 0)
- devc->ch1_enabled = probe->enabled;
+ devc->ch1_enabled = ch->enabled;
else
- devc->ch2_enabled = probe->enabled;
- if (probe->enabled)
- devc->enabled_probes = g_slist_append(devc->enabled_probes, probe);
+ devc->ch2_enabled = ch->enabled;
+ if (ch->enabled)
+ devc->enabled_channels = g_slist_append(devc->enabled_channels, ch);
}
return SR_OK;
devc = priv;
g_free(devc->triggersource);
- g_slist_free(devc->enabled_probes);
+ g_slist_free(devc->enabled_channels);
}
-static int clear_instances(void)
+static int dev_clear(void)
{
return std_dev_clear(di, clear_dev_context);
}
-static int hw_init(struct sr_context *sr_ctx)
+static int init(struct sr_context *sr_ctx)
{
- return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
-static GSList *hw_scan(GSList *options)
+static GSList *scan(GSList *options)
{
- struct sr_dev_inst *sdi;
- const struct dso_profile *prof;
struct drv_context *drvc;
struct dev_context *devc;
- GSList *devices;
+ struct sr_dev_inst *sdi;
+ struct sr_usb_dev_inst *usb;
+ struct sr_config *src;
+ const struct dso_profile *prof;
+ GSList *l, *devices, *conn_devices;
struct libusb_device_descriptor des;
libusb_device **devlist;
int devcnt, ret, i, j;
-
- (void)options;
+ const char *conn;
drvc = di->priv;
- drvc->instances = NULL;
devcnt = 0;
devices = 0;
- clear_instances();
+ conn = NULL;
+ for (l = options; l; l = l->next) {
+ src = l->data;
+ if (src->key == SR_CONF_CONN) {
+ conn = g_variant_get_string(src->data, NULL);
+ break;
+ }
+ }
+ if (conn)
+ conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
+ else
+ conn_devices = NULL;
/* Find all Hantek DSO devices and upload firmware to all of them. */
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
+ if (conn) {
+ usb = NULL;
+ for (l = conn_devices; l; l = l->next) {
+ usb = l->data;
+ if (usb->bus == libusb_get_bus_number(devlist[i])
+ && usb->address == libusb_get_device_address(devlist[i]))
+ break;
+ }
+ if (!l)
+ /* This device matched none of the ones that
+ * matched the conn specification. */
+ continue;
+ }
+
if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
sr_err("Failed to get device descriptor: %s.",
- libusb_error_name(ret));
+ libusb_error_name(ret));
continue;
}
devc->fw_updated = g_get_monotonic_time();
else
sr_err("Firmware upload failed for "
- "device %d.", devcnt);
+ "device %d.", devcnt);
/* Dummy USB address of 0xff will get overwritten later. */
sdi->conn = sr_usb_dev_inst_new(
libusb_get_bus_number(devlist[i]), 0xff, NULL);
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
return ((struct drv_context *)(di->priv))->instances;
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int dev_open(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct sr_usb_dev_inst *usb;
err = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
if (err != 0) {
sr_err("Unable to claim interface: %s.",
- libusb_error_name(err));
+ libusb_error_name(err));
return SR_ERR;
}
return SR_OK;
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int dev_close(struct sr_dev_inst *sdi)
{
dso_close(sdi);
return SR_OK;
}
-static int hw_cleanup(void)
+static int cleanup(void)
{
- struct drv_context *drvc;
-
- if (!(drvc = di->priv))
- return SR_OK;
-
- clear_instances();
-
- return SR_OK;
+ return dev_clear();
}
-static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
struct sr_usb_dev_inst *usb;
char str[128];
+ (void)cg;
+
switch (id) {
case SR_CONF_CONN:
if (!sdi || !sdi->conn)
return SR_OK;
}
-static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
struct dev_context *devc;
double tmp_double;
const char *tmp_str;
char **targets;
+ (void)cg;
+
if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
+ return SR_ERR_DEV_CLOSED;
ret = SR_OK;
devc = sdi->priv;
devc->limit_frames = g_variant_get_uint64(data);
break;
case SR_CONF_TRIGGER_SLOPE:
- tmp_u64 = g_variant_get_uint64(data);
- if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE)
- ret = SR_ERR_ARG;
- devc->triggerslope = tmp_u64;
+ tmp_str = g_variant_get_string(data, NULL);
+ if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r'))
+ return SR_ERR_ARG;
+ devc->triggerslope = (tmp_str[0] == 'r')
+ ? SLOPE_POSITIVE : SLOPE_NEGATIVE;
break;
case SR_CONF_HORIZ_TRIGGERPOS:
tmp_double = g_variant_get_double(data);
return ret;
}
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
struct dev_context *devc;
GVariant *tuple, *rational[2];
GVariantBuilder gvb;
unsigned int i;
- (void)sdi;
-
- if (!sdi)
- return SR_ERR_ARG;
+ (void)cg;
- devc = sdi->priv;
switch (key) {
case SR_CONF_SCAN_OPTIONS:
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
devopts, ARRAY_SIZE(devopts), sizeof(int32_t));
break;
case SR_CONF_BUFFERSIZE:
+ if (!sdi)
+ return SR_ERR_ARG;
+ devc = sdi->priv;
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
devc->profile->buffersizes, 2, sizeof(uint64_t));
break;
struct sr_datafeed_analog analog;
struct dev_context *devc;
float ch1, ch2, range;
- int num_probes, data_offset, i;
+ int num_channels, data_offset, i;
devc = sdi->priv;
- num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1;
+ num_channels = (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.channels = devc->enabled_channels;
analog.num_samples = num_samples;
analog.mq = SR_MQ_VOLTAGE;
analog.unit = SR_UNIT_VOLT;
/* TODO: Check malloc return value. */
- analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_probes);
+ analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_channels);
data_offset = 0;
for (i = 0; i < analog.num_samples; i++) {
/*
sdi = transfer->user_data;
devc = sdi->priv;
sr_spew("receive_transfer(): status %d received %d bytes.",
- transfer->status, transfer->actual_length);
+ transfer->status, transfer->actual_length);
if (transfer->actual_length == 0)
/* Nothing to send to the bus. */
num_samples = transfer->actual_length / 2;
sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1,
- devc->samp_received + num_samples, devc->framesize);
+ devc->samp_received + num_samples, devc->framesize);
/*
* The device always sends a full frame, but the beginning of the frame
/* The rest of this chunk starts with the trigger point. */
sr_dbg("Reached trigger point, %d samples buffered.",
- devc->samp_buffered);
+ devc->samp_buffered);
/* Avoid the corner case where the chunk ended at
* exactly the trigger point. */
/* That was the last chunk in this frame. Send the buffered
* pre-trigger samples out now, in one big chunk. */
sr_dbg("End of frame, sending %d pre-trigger buffered samples.",
- devc->samp_buffered);
+ devc->samp_buffered);
send_chunk(sdi, devc->framebuf, devc->samp_buffered);
/* Mark the end of this frame. */
struct timeval tv;
struct dev_context *devc;
struct drv_context *drvc = di->priv;
- const struct libusb_pollfd **lupfd;
- int num_probes, i;
+ int num_channels;
uint32_t trigger_offset;
uint8_t capturestate;
* TODO: Doesn't really cancel pending transfers so they might
* come in after SR_DF_END is sent.
*/
- lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
- for (i = 0; lupfd[i]; i++)
- sr_source_remove(lupfd[i]->fd);
- free(lupfd);
+ usb_source_remove(sdi->session, drvc->sr_ctx);
packet.type = SR_DF_END;
sr_session_send(sdi, &packet);
/* Remember where in the captured frame the trigger is. */
devc->trigger_offset = trigger_offset;
- num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1;
+ num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1;
/* TODO: Check malloc return value. */
- devc->framebuf = g_try_malloc(devc->framesize * num_probes * 2);
+ devc->framebuf = g_try_malloc(devc->framesize * num_channels * 2);
devc->samp_buffered = devc->samp_received = 0;
/* Tell the scope to send us the first frame. */
return TRUE;
}
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
- const struct libusb_pollfd **lupfd;
struct dev_context *devc;
struct drv_context *drvc = di->priv;
- int i;
if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
+ 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.");
+ if (configure_channels(sdi) != SR_OK) {
+ sr_err("Failed to configure channels.");
return SR_ERR;
}
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);
+ usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi);
/* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
+ std_session_send_df_header(cb_data, LOG_PREFIX);
return SR_OK;
}
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
struct dev_context *devc;
.name = "hantek-dso",
.longname = "Hantek DSO",
.api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
+ .init = init,
+ .cleanup = cleanup,
+ .scan = scan,
+ .dev_list = dev_list,
+ .dev_clear = dev_clear,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .dev_open = dev_open,
+ .dev_close = dev_close,
+ .dev_acquisition_start = dev_acquisition_start,
+ .dev_acquisition_stop = dev_acquisition_stop,
.priv = NULL,
};
projects / libsigrok.git / blobdiff