/*
* This file is part of the libsigrok project.
*
+ * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
* Copyright (C) 2017 John Chajecki <subs@qcontinuum.plus.com>
*
* This program is free software: you can redistribute it and/or modify
*/
#include <config.h>
+#include <glib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+#include "scpi.h"
#include "protocol.h"
-static GSList *scan(struct sr_dev_driver *di, GSList *options)
-{
- struct drv_context *drvc;
- GSList *devices;
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+ SR_CONF_SERIALCOMM,
+};
- (void)options;
+static const uint32_t drvopts[] = {
+ SR_CONF_MULTIMETER,
+};
- devices = NULL;
- drvc = di->context;
- drvc->instances = NULL;
+static const uint32_t devopts[] = {
+ SR_CONF_CONTINUOUS,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
+ SR_CONF_LIMIT_MSEC | SR_CONF_SET,
+};
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+/* Vendor, model, number of channels, poll period */
+static const struct fluke_scpi_dmm_model supported_models[] = {
+ { "FLUKE", "45", 2, 0 },
+};
- return devices;
-}
+static struct sr_dev_driver fluke_45_driver_info;
-static int dev_open(struct sr_dev_inst *sdi)
+static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
{
- (void)sdi;
+ struct dev_context *devc;
+ struct sr_dev_inst *sdi;
+ struct sr_scpi_hw_info *hw_info;
+ const struct scpi_command *cmdset = fluke_45_cmdset;
+ unsigned int i;
+ const struct fluke_scpi_dmm_model *model = NULL;
+ gchar *channel_name;
+ char *response;
+
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sdi->conn = scpi;
+
+ /* Test for serial port ECHO enabled. */
+ sr_scpi_get_string(scpi, "ECHO-TEST", &response);
+ if (strcmp(response, "ECHO-TEST") == 0) {
+ sr_err("Serial port ECHO is ON. Please turn it OFF!");
+ return NULL;
+ }
- /* TODO: get handle from sdi->conn and open it. */
+ /* Get device IDN. */
+ if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
+ sr_info("Couldn't get IDN response, retrying.");
+ sr_scpi_close(scpi);
+ sr_scpi_open(scpi);
+ if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
+ sr_info("Couldn't get IDN response.");
+ return NULL;
+ }
+ }
- return SR_OK;
+ /* Check IDN. */
+ for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
+ if (!g_ascii_strcasecmp(hw_info->manufacturer,
+ supported_models[i].vendor) &&
+ !strcmp(hw_info->model, supported_models[i].model)) {
+ model = &supported_models[i];
+ break;
+ }
+ }
+ if (!model) {
+ sr_scpi_hw_info_free(hw_info);
+ return NULL;
+ }
+
+ /* Set up device parameters. */
+ sdi->vendor = g_strdup(model->vendor);
+ sdi->model = g_strdup(model->model);
+ sdi->version = g_strdup(hw_info->firmware_version);
+ sdi->serial_num = g_strdup(hw_info->serial_number);
+ sdi->conn = scpi;
+ sdi->driver = &fluke_45_driver_info;
+ sdi->inst_type = SR_INST_SCPI;
+
+ devc = g_malloc0(sizeof(struct dev_context));
+ devc->num_channels = model->num_channels;
+ devc->cmdset = cmdset;
+
+ /* Create channels. */
+ for (i = 0; i < devc->num_channels; i++) {
+ channel_name = g_strdup_printf("P%d", i + 1);
+ sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name);
+ }
+
+ sdi->priv = devc;
+
+ return sdi;
}
-static int dev_close(struct sr_dev_inst *sdi)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
+{
+ return sr_scpi_scan(di->context, options, probe_device);
+}
+
+static int dev_open(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ struct sr_scpi_dev_inst *scpi;
+ int ret;
- /* TODO: get handle from sdi->conn and close it. */
+ scpi = sdi->conn;
+
+ if ((ret = sr_scpi_open(scpi) < 0)) {
+ sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
+ return SR_ERR;
+ }
return SR_OK;
}
-static int config_get(uint32_t key, GVariant **data,
- const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+static int dev_close(struct sr_dev_inst *sdi)
{
- int ret;
+ struct sr_scpi_dev_inst *scpi;
- (void)sdi;
- (void)data;
- (void)cg;
+ scpi = sdi->conn;
- ret = SR_OK;
- switch (key) {
- /* TODO */
- default:
- return SR_ERR_NA;
- }
+ if (!scpi)
+ return SR_ERR_BUG;
- return ret;
+ return sr_scpi_close(scpi);
}
static int config_set(uint32_t key, GVariant *data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ struct dev_context *devc;
- (void)sdi;
- (void)data;
(void)cg;
- ret = SR_OK;
- switch (key) {
- /* TODO */
- default:
- ret = SR_ERR_NA;
- }
+ devc = sdi->priv;
- return ret;
+ return sr_sw_limits_config_set(&devc->limits, key, data);
}
static int config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- int ret;
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
+}
- (void)sdi;
- (void)data;
- (void)cg;
+static int config_get(uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+{
+ struct dev_context *devc = sdi->priv;
- ret = SR_OK;
- switch (key) {
- /* TODO */
- default:
- return SR_ERR_NA;
- }
+ (void)cg;
- return ret;
+ return sr_sw_limits_config_get(&devc->limits, key, data);
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
+ struct sr_scpi_dev_inst *scpi;
+ struct dev_context *devc;
+ int ret;
+
+ scpi = sdi->conn;
+ devc = sdi->priv;
+
+ sr_sw_limits_acquisition_start(&devc->limits);
+ std_session_send_df_header(sdi);
- (void)sdi;
+ if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
+ fl45_scpi_receive_data, (void *)sdi)) != SR_OK)
+ return ret;
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
- /* TODO: stop acquisition. */
+ struct sr_scpi_dev_inst *scpi;
+ double d;
- (void)sdi;
+ scpi = sdi->conn;
+
+ /*
+ * A requested value is certainly on the way. Retrieve it now,
+ * to avoid leaving the device in a state where it's not expecting
+ * commands.
+ */
+ sr_scpi_get_double(scpi, NULL, &d);
+ sr_scpi_source_remove(sdi->session, scpi);
+
+ std_session_send_df_end(sdi);
return SR_OK;
}
-SR_PRIV struct sr_dev_driver fluke_45_driver_info = {
+static struct sr_dev_driver fluke_45_driver_info = {
.name = "fluke-45",
.longname = "Fluke 45",
.api_version = 1,
.dev_acquisition_stop = dev_acquisition_stop,
.context = NULL,
};
-
SR_REGISTER_DEV_DRIVER(fluke_45_driver_info);
projects / libsigrok.git / blobdiff