* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#include "protocol.h"
+static const int hwcaps[] = {
+ SR_CONF_OSCILLOSCOPE,
+ SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_TIMEBASE,
+ SR_CONF_TRIGGER_SOURCE,
+ SR_CONF_TRIGGER_SLOPE,
+ SR_CONF_HORIZ_TRIGGERPOS,
+ SR_CONF_VDIV,
+ SR_CONF_COUPLING,
+ 0,
+};
+
+static const struct sr_rational timebases[] = {
+ /* nanoseconds */
+ { 2, 1000000000 },
+ { 5, 1000000000 },
+ { 10, 1000000000 },
+ { 20, 1000000000 },
+ { 50, 1000000000 },
+ { 100, 1000000000 },
+ { 500, 1000000000 },
+ /* microseconds */
+ { 1, 1000000 },
+ { 2, 1000000 },
+ { 5, 1000000 },
+ { 10, 1000000 },
+ { 20, 1000000 },
+ { 50, 1000000 },
+ { 100, 1000000 },
+ { 200, 1000000 },
+ { 500, 1000000 },
+ /* milliseconds */
+ { 1, 1000 },
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* seconds */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+ { 20, 1 },
+ { 50, 1 },
+ { 0, 0},
+};
+
+static const struct sr_rational vdivs[] = {
+ /* millivolts */
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* volts */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+ { 0, 0 },
+};
+
+static const char *trigger_sources[] = {
+ "CH1",
+ "CH2",
+ "EXT",
+ "AC Line",
+ NULL,
+};
+
+static const char *coupling[] = {
+ "AC",
+ "DC",
+ "GND",
+ NULL,
+};
+
+static const char *supported_models[] = {
+ "DS1052E",
+ "DS1102E",
+ "DS1052D",
+ "DS1102D"
+};
+
SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info;
static struct sr_dev_driver *di = &rigol_ds1xx2_driver_info;
if (!(devc = sdi->priv))
continue;
- /* TODO */
+ g_free(devc->device);
+ g_slist_free(devc->enabled_probes);
+ close(devc->fd);
sr_dev_inst_free(sdi);
}
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("Driver context malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- /* TODO */
-
- di->priv = drvc;
-
- return SR_OK;
+ return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
}
static GSList *hw_scan(GSList *options)
{
struct drv_context *drvc;
+ struct sr_dev_inst *sdi;
+ struct dev_context *devc;
+ struct sr_probe *probe;
GSList *devices;
+ GDir *dir;
+ const gchar *dev_name;
+ const gchar *dev_dir = "/dev/";
+ const gchar *prefix = "usbtmc";
+ gchar *device;
+ const gchar *idn_query = "*IDN?";
+ int len, num_tokens, fd, i;
+ const gchar *delimiter = ",";
+ gchar **tokens;
+ const char *manufacturer, *model, *version;
+ int num_models;
+ gboolean matched = FALSE;
+ char buf[256];
(void)options;
- devices = NULL;
drvc = di->priv;
drvc->instances = NULL;
- /* TODO */
+ devices = NULL;
+
+ dir = g_dir_open("/sys/class/usb/", 0, NULL);
+
+ if (dir == NULL)
+ return NULL;
+
+ while ((dev_name = g_dir_read_name(dir)) != NULL) {
+ if (strncmp(dev_name, prefix, strlen(prefix)))
+ continue;
+
+ device = g_strconcat(dev_dir, dev_name, NULL);
+
+ fd = open(device, O_RDWR);
+ len = write(fd, idn_query, strlen(idn_query));
+ len = read(fd, buf, sizeof(buf));
+ close(fd);
+ if (len == 0) {
+ g_free(device);
+ return NULL;
+ }
+
+ buf[len] = 0;
+ tokens = g_strsplit(buf, delimiter, 0);
+ close(fd);
+ sr_dbg("response: %s %d [%s]", device, len, buf);
+
+ for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
+
+ if (num_tokens < 4) {
+ g_strfreev(tokens);
+ g_free(device);
+ return NULL;
+ }
+
+ manufacturer = tokens[0];
+ model = tokens[1];
+ version = tokens[3];
+
+ if (strcmp(manufacturer, "Rigol Technologies")) {
+ g_strfreev(tokens);
+ g_free(device);
+ return NULL;
+ }
+
+ num_models = sizeof(supported_models) / sizeof(supported_models[0]);
+
+ for (i = 0; i < num_models; i++) {
+ if (!strcmp(model, supported_models[i])) {
+ matched = 1;
+ break;
+ }
+ }
+
+ if (!matched || !(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE,
+ manufacturer, model, version))) {
+ g_strfreev(tokens);
+ g_free(device);
+ return NULL;
+ }
+
+ g_strfreev(tokens);
+
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ sr_err("Device context malloc failed.");
+ g_free(device);
+ return NULL;
+ }
+
+ devc->device = device;
+
+ sdi->priv = devc;
+ sdi->driver = di;
+
+ for (i = 0; i < 2; i++) {
+ if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE,
+ i == 0 ? "CH1" : "CH2")))
+ return NULL;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ }
+
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devices = g_slist_append(devices, sdi);
+ }
+
+ g_dir_close(dir);
return devices;
}
static GSList *hw_dev_list(void)
{
- struct drv_context *drvc;
-
- drvc = di->priv;
-
- return drvc->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
static int hw_dev_open(struct sr_dev_inst *sdi)
{
- /* TODO */
+ struct dev_context *devc;
+ int fd;
+
+ devc = sdi->priv;
+
+ if ((fd = open(devc->device, O_RDWR)) == -1)
+ return SR_ERR;
+
+ devc->fd = fd;
+
+ devc->scale = 1;
return SR_OK;
}
static int hw_dev_close(struct sr_dev_inst *sdi)
{
- /* TODO */
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+
+ close(devc->fd);
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, const void *value, const struct sr_dev_inst *sdi)
{
- switch (info_id) {
- /* TODO */
- default:
- sr_err("Unknown info_id: %d.", info_id);
- return SR_ERR_ARG;
- }
-
- return SR_OK;
-}
+ struct dev_context *devc;
+ uint64_t tmp_u64;
+ float tmp_float;
+ struct sr_rational tmp_rat;
+ int ret, i, j;
+ char *channel;
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
-{
- int ret;
+ devc = sdi->priv;
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't set config options.");
}
ret = SR_OK;
- switch (hwcap) {
- /* TODO */
+ switch (id) {
+ case SR_CONF_LIMIT_FRAMES:
+ devc->limit_frames = *(const uint64_t *)value;
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ tmp_u64 = *(const int *)value;
+ rigol_ds1xx2_send_data(devc->fd, ":TRIG:EDGE:SLOP %s\n",
+ tmp_u64 ? "POS" : "NEG");
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ tmp_float = *(const float *)value;
+ rigol_ds1xx2_send_data(devc->fd, ":TIM:OFFS %.9f\n", tmp_float);
+ break;
+ case SR_CONF_TIMEBASE:
+ tmp_rat = *(const struct sr_rational *)value;
+ rigol_ds1xx2_send_data(devc->fd, ":TIM:SCAL %.9f\n",
+ (float)tmp_rat.p / tmp_rat.q);
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ if (!strcmp(value, "CH1"))
+ channel = "CHAN1";
+ else if (!strcmp(value, "CH2"))
+ channel = "CHAN2";
+ else if (!strcmp(value, "EXT"))
+ channel = "EXT";
+ else if (!strcmp(value, "AC Line"))
+ channel = "ACL";
+ else {
+ ret = SR_ERR_ARG;
+ break;
+ }
+ rigol_ds1xx2_send_data(devc->fd, ":TRIG:EDGE:SOUR %s\n", channel);
+ break;
+ case SR_CONF_VDIV:
+ /* TODO: Not supporting vdiv per channel yet. */
+ tmp_rat = *(const struct sr_rational *)value;
+ for (i = 0; vdivs[i].p && vdivs[i].q; i++) {
+ if (vdivs[i].p == tmp_rat.p
+ && vdivs[i].q == tmp_rat.q) {
+ devc->scale = (float)tmp_rat.p / tmp_rat.q;
+ for (j = 0; j < 2; j++)
+ rigol_ds1xx2_send_data(devc->fd,
+ ":CHAN%d:SCAL %.3f\n", j, devc->scale);
+ break;
+ }
+ }
+ if (vdivs[i].p == 0 && vdivs[i].q == 0)
+ ret = SR_ERR_ARG;
+ break;
+ case SR_CONF_COUPLING:
+ /* TODO: Not supporting coupling per channel yet. */
+ for (i = 0; coupling[i]; i++) {
+ if (!strcmp(value, coupling[i])) {
+ for (j = 0; j < 2; j++)
+ rigol_ds1xx2_send_data(devc->fd,
+ ":CHAN%d:COUP %s\n", j, coupling[i]);
+ break;
+ }
+ }
+ if (coupling[i] == 0)
+ ret = SR_ERR_ARG;
+ break;
default:
- sr_err("Unknown hardware capability: %d.", hwcap);
+ sr_err("Unknown hardware capability: %d.", id);
ret = SR_ERR_ARG;
+ break;
}
return ret;
}
+static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
+{
+
+ (void)sdi;
+
+ switch (key) {
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = hwcaps;
+ break;
+ case SR_CONF_COUPLING:
+ *data = coupling;
+ break;
+ case SR_CONF_VDIV:
+ *data = vdivs;
+ break;
+ case SR_CONF_TIMEBASE:
+ *data = timebases;
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ *data = trigger_sources;
+ break;
+ default:
+ return SR_ERR_ARG;
+ }
+
+ return SR_OK;
+}
+
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
- /* TODO */
+ struct dev_context *devc;
+ char buf[256];
+ int len;
+
+ (void)cb_data;
+
+ devc = sdi->priv;
+
+ devc->num_frames = 0;
+
+ sr_source_add(devc->fd, G_IO_IN, 50, rigol_ds1xx2_receive_data, (void *)sdi);
+
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
+
+ /* Hardcoded to CH1 only. */
+ devc->enabled_probes = g_slist_append(NULL, sdi->probes->data);
+ rigol_ds1xx2_send_data(devc->fd, ":CHAN1:SCAL?\n");
+ len = read(devc->fd, buf, sizeof(buf));
+ buf[len] = 0;
+ devc->scale = atof(buf);
+ sr_dbg("Scale is %.3f.", devc->scale);
+ rigol_ds1xx2_send_data(devc->fd, ":CHAN1:OFFS?\n");
+ len = read(devc->fd, buf, sizeof(buf));
+ buf[len] = 0;
+ devc->offset = atof(buf);
+ sr_dbg("Offset is %.6f.", devc->offset);
+ rigol_ds1xx2_send_data(devc->fd, ":WAV:DATA?\n");
return SR_OK;
}
static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
+ struct dev_context *devc;
+
(void)cb_data;
+ devc = sdi->priv;
+
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't stop acquisition.");
return SR_ERR;
}
- /* TODO */
+ sr_source_remove(devc->fd);
return SR_OK;
}
.scan = hw_scan,
.dev_list = hw_dev_list,
.dev_clear = clear_instances,
+ .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