#include "protocol.h"
static struct sr_dev_driver scpi_pps_driver_info;
+static struct sr_dev_driver hp_ib_pps_driver_info;
static const uint32_t scanopts[] = {
SR_CONF_CONN,
{ SR_MQ_FREQUENCY, SCPI_CMD_GET_MEAS_FREQUENCY, "F" },
};
-static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
+static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi,
+ int (*get_hw_id)(struct sr_scpi_dev_inst *scpi,
+ struct sr_scpi_hw_info **scpi_response))
{
struct dev_context *devc;
struct sr_dev_inst *sdi;
const char *vendor;
char ch_name[16];
- if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
+ if (get_hw_id(scpi, &hw_info) != SR_OK) {
sr_info("Couldn't get IDN response.");
return NULL;
}
return sdi;
}
-static GSList *scan(struct sr_dev_driver *di, GSList *options)
+static gchar *hpib_get_revision(struct sr_scpi_dev_inst *scpi)
{
- return sr_scpi_scan(di->context, options, probe_device);
+ int ret;
+ gboolean matches;
+ char *response;
+ GRegex *version_regex;
+
+ ret = sr_scpi_get_string(scpi, "ROM?", &response);
+ if (ret != SR_OK && !response)
+ return NULL;
+
+ /* Example version string: "B01 B01" */
+ version_regex = g_regex_new("[A-Z][0-9]{2} [A-Z][0-9]{2}", 0, 0, NULL);
+ matches = g_regex_match(version_regex, response, 0, NULL);
+ g_regex_unref(version_regex);
+
+ if (!matches) {
+ /* Not a valid version string. Ignore it. */
+ g_free(response);
+ response = NULL;
+ } else {
+ /* Replace space with dot. */
+ response[3] = '.';
+ }
+
+ return response;
+}
+
+/*
+ * This function assumes the response is in the form "HP<model_number>"
+ *
+ * HP made many GPIB (then called HP-IB) instruments before the SCPI command
+ * set was introduced into the standard. We haven't seen any non-HP instruments
+ * which respond to the "ID?" query, so assume all are HP for now.
+ */
+static int hpib_get_hw_id(struct sr_scpi_dev_inst *scpi,
+ struct sr_scpi_hw_info **scpi_response)
+{
+ int ret;
+ char *response;
+ struct sr_scpi_hw_info *hw_info;
+
+ ret = sr_scpi_get_string(scpi, "ID?", &response);
+ if ((ret != SR_OK) || !response)
+ return SR_ERR;
+
+ hw_info = g_malloc0(sizeof(struct sr_scpi_hw_info));
+
+ *scpi_response = hw_info;
+ hw_info->model = response;
+ hw_info->firmware_version = hpib_get_revision(scpi);
+ hw_info->manufacturer = g_strdup("HP");
+
+ return SR_OK;
+}
+
+static struct sr_dev_inst *probe_scpi_pps_device(struct sr_scpi_dev_inst *scpi)
+{
+ return probe_device(scpi, sr_scpi_get_hw_id);
+}
+
+static struct sr_dev_inst *probe_hpib_pps_device(struct sr_scpi_dev_inst *scpi)
+{
+ return probe_device(scpi, hpib_get_hw_id);
+}
+
+static GSList *scan_scpi_pps(struct sr_dev_driver *di, GSList *options)
+{
+ return sr_scpi_scan(di->context, options, probe_scpi_pps_device);
+}
+
+static GSList *scan_hpib_pps(struct sr_dev_driver *di, GSList *options)
+{
+ return sr_scpi_scan(di->context, options, probe_hpib_pps_device);
}
static int dev_open(struct sr_dev_inst *sdi)
struct sr_scpi_dev_inst *scpi;
GVariant *beeper;
- if (sdi->status != SR_ST_INACTIVE)
- return SR_ERR;
-
scpi = sdi->conn;
if (sr_scpi_open(scpi) < 0)
return SR_ERR;
- sdi->status = SR_ST_ACTIVE;
-
devc = sdi->priv;
scpi_cmd(sdi, devc->device->commands, SCPI_CMD_REMOTE);
devc->beeper_was_set = FALSE;
struct sr_scpi_dev_inst *scpi;
struct dev_context *devc;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
devc = sdi->priv;
scpi = sdi->conn;
- if (scpi) {
- if (devc->beeper_was_set)
- scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_ENABLE);
- scpi_cmd(sdi, devc->device->commands, SCPI_CMD_LOCAL);
- sr_scpi_close(scpi);
- sdi->status = SR_ST_INACTIVE;
- }
- return SR_OK;
+ if (!scpi)
+ return SR_ERR_BUG;
+
+ if (devc->beeper_was_set)
+ scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_ENABLE);
+ scpi_cmd(sdi, devc->device->commands, SCPI_CMD_LOCAL);
+
+ return sr_scpi_close(scpi);
}
static void clear_helper(void *priv)
if (!sdi)
return SR_ERR_ARG;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
if (cg)
/* Channel group specified. */
select_channel(sdi, cg->channels->data);
struct pps_channel *pch;
int cmd, ret;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
devc = sdi->priv;
scpi = sdi->conn;
if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
scpi_pps_receive_data, (void *)sdi)) != SR_OK)
return ret;
- std_session_send_df_header(sdi, LOG_PREFIX);
+ std_session_send_df_header(sdi);
/* Prime the pipe with the first channel's fetch. */
ch = sr_next_enabled_channel(sdi, NULL);
struct sr_scpi_dev_inst *scpi;
float f;
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
scpi = sdi->conn;
/*
sr_scpi_get_float(scpi, NULL, &f);
sr_scpi_source_remove(sdi->session, scpi);
- std_session_send_df_end(sdi, LOG_PREFIX);
+ std_session_send_df_end(sdi);
return SR_OK;
}
.api_version = 1,
.init = std_init,
.cleanup = std_cleanup,
- .scan = scan,
+ .scan = scan_scpi_pps,
+ .dev_list = std_dev_list,
+ .dev_clear = dev_clear,
+ .config_get = config_get,
+ .config_set = config_set,
+ .config_list = config_list,
+ .dev_open = dev_open,
+ .dev_close = dev_close,
+ .dev_acquisition_start = dev_acquisition_start,
+ .dev_acquisition_stop = dev_acquisition_stop,
+ .context = NULL,
+};
+
+static struct sr_dev_driver hp_ib_pps_driver_info = {
+ .name = "hpib-pps",
+ .longname = "HP-IB PPS",
+ .api_version = 1,
+ .init = std_init,
+ .cleanup = std_cleanup,
+ .scan = scan_hpib_pps,
.dev_list = std_dev_list,
.dev_clear = dev_clear,
.config_get = config_get,
.context = NULL,
};
SR_REGISTER_DEV_DRIVER(scpi_pps_driver_info);
+SR_REGISTER_DEV_DRIVER(hp_ib_pps_driver_info);
projects / libsigrok.git / blobdiff