/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
*
*/
#include <glib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
-#include "config.h"
+#include "fluke-dmm.h"
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
+ SR_CONF_SERIALCOMM,
+};
+
+static const int32_t hwcaps[] = {
+ SR_CONF_MULTIMETER,
+ SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_LIMIT_MSEC,
+ SR_CONF_CONTINUOUS,
+};
+
+SR_PRIV struct sr_dev_driver flukedmm_driver_info;
+static struct sr_dev_driver *di = &flukedmm_driver_info;
+
+static char *scan_conn[] = {
+ /* 287/289 */
+ "115200/8n1",
+ /* 187/189 */
+ "9600/8n1",
+ /* Scopemeter 190 series */
+ "1200/8n1",
+ NULL
+};
-SR_PRIV struct sr_dev_driver driver_info;
-static struct sr_dev_driver *di = &driver_info;
+static const struct flukedmm_profile supported_flukedmm[] = {
+ { FLUKE_187, "187", 100, 1000 },
+ { FLUKE_287, "287", 100, 1000 },
+ { FLUKE_190, "199B", 1000, 3500 },
+};
-/* TODO move to header file */
-struct drv_context { GSList *instances; };
-struct dev_context { };
/* Properly close and free all devices. */
static int clear_instances(void)
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
GSList *l;
+ if (!(drvc = di->priv))
+ return SR_OK;
+
drvc = di->priv;
for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("TODO: %s: sdi was NULL, continuing", __func__);
+ if (!(sdi = l->data))
continue;
- }
- if (!(devc = sdi->priv)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("TODO: %s: sdi->priv was NULL, continuing", __func__);
+ if (!(devc = sdi->priv))
continue;
- }
-
- /* TODO */
-
+ serial = sdi->conn;
+ sr_serial_dev_inst_free(serial);
sr_dev_inst_free(sdi);
}
-
g_slist_free(drvc->instances);
drvc->instances = NULL;
return SR_OK;
}
-static int hw_init(void)
+static int hw_init(struct sr_context *sr_ctx)
{
- struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("TODO: driver context malloc failed.");
- return SR_ERR;
- }
-
- /* TODO */
-
- di->priv = drvc;
-
- return SR_OK;
+ return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
}
-static GSList *hw_scan(GSList *options)
+static GSList *fluke_scan(const char *conn, const char *serialcomm)
{
+ struct sr_dev_inst *sdi;
struct drv_context *drvc;
+ struct dev_context *devc;
+ struct sr_probe *probe;
+ struct sr_serial_dev_inst *serial;
GSList *devices;
+ int retry, len, i, s;
+ char buf[128], *b, **tokens;
+
+ if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
+ return NULL;
+
+ if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
+ return NULL;
- (void)options;
- devices = NULL;
drvc = di->priv;
- drvc->instances = NULL;
+ b = buf;
+ retry = 0;
+ devices = NULL;
+ /* We'll try the discovery sequence three times in case the device
+ * is not in an idle state when we send ID. */
+ while (!devices && retry < 3) {
+ retry++;
+ serial_flush(serial);
+ if (serial_write(serial, "ID\r", 3) == -1) {
+ sr_err("Unable to send ID string: %s.",
+ strerror(errno));
+ continue;
+ }
- /* TODO */
+ /* Response is first a CMD_ACK byte (ASCII '0' for OK,
+ * or '1' to signify an error. */
+ len = 128;
+ serial_readline(serial, &b, &len, 150);
+ if (len != 1)
+ continue;
+ if (buf[0] != '0')
+ continue;
+
+ /* If CMD_ACK was OK, ID string follows. */
+ len = 128;
+ serial_readline(serial, &b, &len, 850);
+ if (len < 10)
+ continue;
+ if (strcspn(buf, ",") < 15)
+ /* Looks like it's comma-separated. */
+ tokens = g_strsplit(buf, ",", 3);
+ else
+ /* Fluke 199B, at least, uses semicolon. */
+ tokens = g_strsplit(buf, ";", 3);
+ if (!strncmp("FLUKE", tokens[0], 5)
+ && tokens[1] && tokens[2]) {
+ for (i = 0; supported_flukedmm[i].model; i++) {
+ if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
+ continue;
+ /* Skip leading spaces in version number. */
+ for (s = 0; tokens[1][s] == ' '; s++);
+ if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Fluke",
+ tokens[0] + 6, tokens[1] + s)))
+ return NULL;
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ sr_err("Device context malloc failed.");
+ return NULL;
+ }
+ devc->profile = &supported_flukedmm[i];
+ sdi->conn = serial;
+ sdi->priv = devc;
+ sdi->driver = di;
+ if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
+ return NULL;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devices = g_slist_append(devices, sdi);
+ break;
+ }
+ }
+ g_strfreev(tokens);
+ if (devices)
+ /* Found one. */
+ break;
+ }
+ serial_close(serial);
+ if (!devices)
+ sr_serial_dev_inst_free(serial);
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *hw_scan(GSList *options)
{
- struct drv_context *drvc;
+ struct sr_config *src;
+ GSList *l, *devices;
+ int i;
+ const char *conn, *serialcomm;
+
+ conn = serialcomm = NULL;
+ for (l = options; l; l = l->next) {
+ src = l->data;
+ switch (src->key) {
+ case SR_CONF_CONN:
+ conn = g_variant_get_string(src->data, NULL);
+ break;
+ case SR_CONF_SERIALCOMM:
+ serialcomm = g_variant_get_string(src->data, NULL);
+ break;
+ }
+ }
+ if (!conn)
+ return NULL;
+
+ if (serialcomm) {
+ /* Use the provided comm specs. */
+ devices = fluke_scan(conn, serialcomm);
+ } else {
+ for (i = 0; scan_conn[i]; i++) {
+ if ((devices = fluke_scan(conn, scan_conn[i])))
+ break;
+ /* The Scopemeter 199B, at least, requires this
+ * after all the 115k/9.6k confusion. */
+ g_usleep(5000);
+ }
+ }
- drvc = di->priv;
+ return devices;
+}
- return drvc->instances;
+static GSList *hw_dev_list(void)
+{
+ return ((struct drv_context *)(di->priv))->instances;
}
static int hw_dev_open(struct sr_dev_inst *sdi)
{
+ struct sr_serial_dev_inst *serial;
+
+ serial = sdi->conn;
+ if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
+ return SR_ERR;
- /* TODO */
+ sdi->status = SR_ST_ACTIVE;
return SR_OK;
}
static int hw_dev_close(struct sr_dev_inst *sdi)
{
+ struct sr_serial_dev_inst *serial;
- /* TODO */
+ serial = sdi->conn;
+ if (serial && serial->fd != -1) {
+ serial_close(serial);
+ sdi->status = SR_ST_INACTIVE;
+ }
return SR_OK;
}
clear_instances();
- /* TODO */
-
return SR_OK;
}
-static int hw_info_get(int info_id, const void **data,
- const struct sr_dev_inst *sdi)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
{
+ struct dev_context *devc;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR;
- switch (info_id) {
- /* TODO */
+ if (!(devc = sdi->priv)) {
+ sr_err("sdi->priv was NULL.");
+ return SR_ERR_BUG;
+ }
+
+ switch (id) {
+ case SR_CONF_LIMIT_MSEC:
+ /* TODO: not yet implemented */
+ if (g_variant_get_uint64(data) == 0) {
+ sr_err("LIMIT_MSEC can't be 0.");
+ return SR_ERR;
+ }
+ devc->limit_msec = g_variant_get_uint64(data);
+ sr_dbg("Setting time limit to %" PRIu64 "ms.",
+ devc->limit_msec);
+ break;
+ case SR_CONF_LIMIT_SAMPLES:
+ devc->limit_samples = g_variant_get_uint64(data);
+ sr_dbg("Setting sample limit to %" PRIu64 ".",
+ devc->limit_samples);
+ break;
default:
- return SR_ERR_ARG;
+ return SR_ERR_NA;
}
return SR_OK;
}
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
{
- int ret;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
- ret = SR_OK;
- switch (hwcap) {
- /* TODO */
+ (void)sdi;
+
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+ break;
default:
- ret = SR_ERR_ARG;
+ return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
+ struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
- /* TODO */
+ if (!(devc = sdi->priv)) {
+ sr_err("sdi->priv was NULL.");
+ return SR_ERR_BUG;
+ }
- return SR_OK;
-}
+ devc->cb_data = cb_data;
-static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
- void *cb_data)
-{
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
- (void)cb_data;
+ /* Poll every 100ms, or whenever some data comes in. */
+ serial = sdi->conn;
+ sr_source_add(serial->fd, G_IO_IN, 50, fluke_receive_data, (void *)sdi);
- if (sdi->status != SR_ST_ACTIVE)
+ if (serial_write(serial, "QM\r", 3) == -1) {
+ sr_err("Unable to send QM: %s.", strerror(errno));
return SR_ERR;
-
- /* TODO */
+ }
+ devc->cmd_sent_at = g_get_monotonic_time() / 1000;
+ devc->expect_response = TRUE;
return SR_OK;
}
-SR_PRIV struct sr_dev_driver driver_info = {
+static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+{
+ return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
+ sdi->conn, DRIVER_LOG_DOMAIN);
+}
+
+SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
.name = "fluke-dmm",
.longname = "Fluke 18x/28x series DMMs",
.api_version = 1,
.scan = hw_scan,
.dev_list = hw_dev_list,
.dev_clear = clear_instances,
+ .config_get = NULL,
+ .config_set = config_set,
+ .config_list = config_list,
.dev_open = hw_dev_open,
.dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
.dev_acquisition_start = hw_dev_acquisition_start,
.dev_acquisition_stop = hw_dev_acquisition_stop,
.priv = NULL,
projects / libsigrok.git / blobdiff