SR_PRIV int rigol_ds1xx2_receive(int fd, int revents, void *cb_data)
{
struct sr_dev_inst *sdi;
+ struct sr_serial_dev_inst *serial;
struct dev_context *devc;
struct sr_datafeed_packet packet;
struct sr_datafeed_analog analog;
- unsigned char buf[WAVEFORM_SIZE];
+ struct sr_datafeed_logic logic;
+ unsigned char buf[DIGITAL_WAVEFORM_SIZE];
double vdiv, offset;
- float data[WAVEFORM_SIZE];
- int probenum, len, i;
+ float data[ANALOG_WAVEFORM_SIZE];
+ int len, i, waveform_size;
+ struct sr_probe *probe;
+
+ (void)fd;
if (!(sdi = cb_data))
return TRUE;
if (!(devc = sdi->priv))
return TRUE;
+ serial = sdi->conn;
+
if (revents == G_IO_IN) {
- len = read(fd, buf, WAVEFORM_SIZE - devc->num_frame_bytes);
+ probe = devc->channel_frame;
+ waveform_size = probe->type == SR_PROBE_ANALOG ?
+ ANALOG_WAVEFORM_SIZE : DIGITAL_WAVEFORM_SIZE;
+ len = serial_read(serial, buf, waveform_size - devc->num_frame_bytes);
sr_dbg("Received %d bytes.", len);
if (len == -1)
return TRUE;
sr_session_send(sdi, &packet);
}
- probenum = devc->channel_frame->name[2] == '1' ? 0 : 1;
- for (i = 0; i < len; i++) {
- vdiv = devc->vdiv[probenum];
- offset = devc->vert_offset[probenum];
- data[i] = vdiv / 25.6 * (128 - buf[i]) - offset;
- }
- analog.probes = g_slist_append(NULL, devc->channel_frame);
- analog.num_samples = len;
- analog.data = data;
- analog.mq = SR_MQ_VOLTAGE;
- analog.unit = SR_UNIT_VOLT;
- analog.mqflags = 0;
- packet.type = SR_DF_ANALOG;
- packet.payload = &analog;
- sr_session_send(cb_data, &packet);
- g_slist_free(analog.probes);
-
- devc->num_frame_bytes += len;
-
- if (devc->num_frame_bytes != WAVEFORM_SIZE) {
- /* Don't have the whole frame yet. */
- return TRUE;
+ if (probe->type == SR_PROBE_ANALOG) {
+ for (i = 0; i < len; i++) {
+ vdiv = devc->vdiv[probe->index];
+ offset = devc->vert_offset[probe->index];
+ data[i] = vdiv / 25.6 * (128 - buf[i]) - offset;
+ }
+ analog.probes = g_slist_append(NULL, probe);
+ analog.num_samples = len;
+ analog.data = data;
+ analog.mq = SR_MQ_VOLTAGE;
+ analog.unit = SR_UNIT_VOLT;
+ analog.mqflags = 0;
+ packet.type = SR_DF_ANALOG;
+ packet.payload = &analog;
+ sr_session_send(cb_data, &packet);
+ g_slist_free(analog.probes);
+
+ if (len != ANALOG_WAVEFORM_SIZE)
+ /* Don't have the whole frame yet. */
+ return TRUE;
+ } else {
+ logic.length = len - 10;
+ logic.unitsize = 2;
+ logic.data = buf + 10;
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ sr_session_send(cb_data, &packet);
+
+ if (len != DIGITAL_WAVEFORM_SIZE)
+ /* Don't have the whole frame yet. */
+ return TRUE;
}
/* End of the frame. */
sr_session_send(sdi, &packet);
devc->num_frame_bytes = 0;
- if (devc->channel_frame == devc->enabled_probes->data
- && devc->enabled_probes->next != NULL) {
- /* We got the frame for the first channel, but
- * there's a second channel. */
- devc->channel_frame = devc->enabled_probes->next->data;
- rigol_ds1xx2_send(devc, ":WAV:DATA? CHAN%c",
+ if (devc->enabled_analog_probes
+ && devc->channel_frame == devc->enabled_analog_probes->data
+ && devc->enabled_analog_probes->next != NULL) {
+ /* We got the frame for the first analog channel, but
+ * there's a second analog channel. */
+ devc->channel_frame = devc->enabled_analog_probes->next->data;
+ rigol_ds1xx2_send(sdi, ":WAV:DATA? CHAN%c",
devc->channel_frame->name[2]);
} else {
- /* Done with both channels in this frame. */
- if (++devc->num_frames == devc->limit_frames) {
+ /* Done with both analog channels in this frame. */
+ if (devc->enabled_digital_probes
+ && devc->channel_frame != devc->enabled_digital_probes->data) {
+ /* Now we need to get the digital data. */
+ devc->channel_frame = devc->enabled_digital_probes->data;
+ rigol_ds1xx2_send(sdi, ":WAV:DATA? DIG");
+ } else if (++devc->num_frames == devc->limit_frames) {
+ /* End of last frame. */
sdi->driver->dev_acquisition_stop(sdi, cb_data);
} else {
- /* Get the next frame, starting with the first channel. */
- devc->channel_frame = devc->enabled_probes->data;
- rigol_ds1xx2_send(devc, ":WAV:DATA? CHAN%c",
- devc->channel_frame->name[2]);
+ /* Get the next frame, starting with the first analog channel. */
+ if (devc->enabled_analog_probes) {
+ devc->channel_frame = devc->enabled_analog_probes->data;
+ rigol_ds1xx2_send(sdi, ":WAV:DATA? CHAN%c",
+ devc->channel_frame->name[2]);
+ } else {
+ devc->channel_frame = devc->enabled_digital_probes->data;
+ rigol_ds1xx2_send(sdi, ":WAV:DATA? DIG");
+ }
}
}
}
return TRUE;
}
-SR_PRIV int rigol_ds1xx2_send(struct dev_context *devc, const char *format, ...)
+SR_PRIV int rigol_ds1xx2_send(const struct sr_dev_inst *sdi, const char *format, ...)
{
va_list args;
char buf[256];
va_end(args);
strcat(buf, "\n");
len++;
- out = write(devc->fd, buf, len);
+ out = serial_write(sdi->conn, buf, len);
buf[len - 1] = '\0';
if (out != len) {
sr_dbg("Only sent %d/%d bytes of '%s'.", out, len, buf);
static int get_cfg(const struct sr_dev_inst *sdi, char *cmd, char *reply)
{
- struct dev_context *devc;
int len;
- devc = sdi->priv;
-
- if (rigol_ds1xx2_send(devc, cmd) != SR_OK)
+ if (rigol_ds1xx2_send(sdi, cmd) != SR_OK)
return SR_ERR;
- if ((len = read(devc->fd, reply, 255)) < 0)
+ if ((len = serial_read(sdi->conn, reply, 255)) < 0)
return SR_ERR;
reply[len] = '\0';
sr_spew("Received '%s'.", reply);
SR_PRIV int rigol_ds1xx2_get_dev_cfg(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
- char *t_s;
+ char *t_s, *cmd;
+ int i, res;
devc = sdi->priv;
- /* Channel state. */
+ /* Analog channel state. */
if (get_cfg_string(sdi, ":CHAN1:DISP?", &t_s) != SR_OK)
return SR_ERR;
- devc->channels[0] = !strcmp(t_s, "ON") ? TRUE : FALSE;
+ devc->analog_channels[0] = !strcmp(t_s, "ON") ? TRUE : FALSE;
g_free(t_s);
if (get_cfg_string(sdi, ":CHAN2:DISP?", &t_s) != SR_OK)
return SR_ERR;
- devc->channels[1] = !strcmp(t_s, "ON") ? TRUE : FALSE;
+ devc->analog_channels[1] = !strcmp(t_s, "ON") ? TRUE : FALSE;
g_free(t_s);
- sr_dbg("Current channel state CH1 %s CH2 %s",
- devc->channels[0] ? "on" : "off",
- devc->channels[1] ? "on" : "off");
+ sr_dbg("Current analog channel state CH1 %s CH2 %s",
+ devc->analog_channels[0] ? "on" : "off",
+ devc->analog_channels[1] ? "on" : "off");
+
+ /* Digital channel state. */
+ if (devc->has_digital) {
+ sr_dbg("Current digital channel state:");
+ for (i = 0; i < 16; i++) {
+ cmd = g_strdup_printf(":DIG%d:TURN?", i);
+ res = get_cfg_string(sdi, cmd, &t_s);
+ g_free(cmd);
+ if (res != SR_OK)
+ return SR_ERR;
+ devc->digital_channels[i] = !strcmp(t_s, "ON") ? TRUE : FALSE;
+ g_free(t_s);
+ sr_dbg("D%d: %s", i, devc->digital_channels[i] ? "on" : "off");
+ }
+ }
/* Timebase. */
if (get_cfg_float(sdi, ":TIM:SCAL?", &devc->timebase) != SR_OK)
return SR_OK;
}
-