X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/rigol/blobdiff_plain/bd29c60e53e501684134598436c05bb25915cb1c..1574729632acebdcdf8caa025dcb67c6ac3804fc:/scope.c?ds=sidebyside

diff --git a/scope.c b/scope.c
index c316ee5..9b75ba4 100644
--- a/scope.c
+++ b/scope.c
@@ -2,6 +2,8 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <stdint.h>
+#include <string.h>
+#include <strings.h>
 
 #include "scope.h"
 #include "usbtmc.h"
@@ -58,3 +60,213 @@ char *scope_idn(struct scope *sc)
 {
 	return sc->idn;
 }
+
+#define COPY_SCOPE_STRING(sc, cmd, dst) { \
+						char *buf; \
+						buf = scope_get_string(sc, cmd, sizeof(dst)); \
+						if (buf) { \
+							strcpy(dst, buf); \
+							free(buf); \
+						}\
+					}
+
+char *scope_get_string(struct scope *sc, char *cmd, int maxlen)
+{
+	unsigned char *buf;
+	int res;
+
+	buf = malloc(maxlen+1);
+	if (buf == NULL) {
+		perror("malloc(scope_get_strings)");
+		exit(EXIT_FAILURE);
+	}
+
+	res = sendscpi(sc, cmd, buf, maxlen);
+	if (res < 0) {
+		fprintf(stderr, "Command %s failed with %d\n", cmd, res);
+		free(buf);
+		return NULL;
+	}
+
+	buf[res] = 0;
+
+	return (char*)buf;
+}
+
+int scope_get_truth_value(struct scope *sc, char *cmd)
+{
+	char buf[128];
+	int res;
+
+	bzero(buf, sizeof(buf));
+	res = sendscpi(sc, cmd, (unsigned char*)buf, sizeof(buf)-1);
+	if (res < 0) {
+		fprintf(stderr, "Command %s failed with %d\n", cmd, res);
+		return 0;
+	}
+
+	printf("%s %s\n", cmd, buf);
+
+	if (strcasecmp(buf, "on") == 0) {
+		return 1;
+	} else if (strcasecmp(buf, "enable") == 0) {
+		return 1;
+	}
+
+	return 0;
+}
+
+int scope_get_int(struct scope *sc, char *cmd)
+{
+	char buf[128];
+	int res;
+
+	bzero(buf, sizeof(buf));
+	res = sendscpi(sc, cmd, (unsigned char*)buf, sizeof(buf)-1);
+	if (res < 0) {
+		fprintf(stderr, "Command %s failed with %d\n", cmd, res);
+		return 0;
+	}
+
+	return atoi(buf);
+}
+
+double scope_get_double(struct scope *sc, char*cmd)
+{
+	char buf[128];
+	int res;
+	double ret;
+
+	bzero(buf, sizeof(buf));
+	res = sendscpi(sc, cmd, (unsigned char*)buf, sizeof(buf)-1);
+	if (res < 0) {
+		fprintf(stderr, "Command %s failed with %d\n", cmd, res);
+		return 0.0;
+	}
+
+	ret = strtod(buf, NULL);
+
+	return ret;
+}
+
+void update_scope_measurements(struct scope *sc)
+{
+	sc->status.measure.ch1.vpp = scope_get_double(sc, ":MEAS:VPP? CHAN1");
+	sc->status.measure.ch1.vmax = scope_get_double(sc, ":MEAS:VMAX? CHAN1");
+	sc->status.measure.ch1.vmin = scope_get_double(sc, ":MEAS:VMIN? CHAN1");
+	sc->status.measure.ch1.vamplitude = scope_get_double(sc, ":MEAS:VAMP? CHAN1");
+	sc->status.measure.ch1.vtop = scope_get_double(sc, ":MEAS:VTOP? CHAN1");
+	sc->status.measure.ch1.vbase = scope_get_double(sc, ":MEAS:VBAS? CHAN1");
+	sc->status.measure.ch1.vaverage = scope_get_double(sc, ":MEAS:VAV? CHAN1");
+	sc->status.measure.ch1.vrms = scope_get_double(sc, ":MEAS:VRMS? CHAN1");
+	sc->status.measure.ch1.overshoot = scope_get_double(sc, ":MEAS:OVER? CHAN1");
+	sc->status.measure.ch1.preshoot = scope_get_double(sc, ":MEAS:PRES? CHAN1");
+	sc->status.measure.ch1.frequency = scope_get_double(sc, ":MEAS:FREQ? CHAN1");
+	sc->status.measure.ch1.risetime = scope_get_double(sc, ":MEAS:RIS? CHAN1");
+	sc->status.measure.ch1.falltime = scope_get_double(sc, ":MEAS:FALL? CHAN1");
+	sc->status.measure.ch1.period = scope_get_double(sc, ":MEAS:PER? CHAN1");
+	sc->status.measure.ch1.pwidth = scope_get_double(sc, ":MEAS:PWID? CHAN1");
+	sc->status.measure.ch1.nwidth = scope_get_double(sc, ":MEAS:NWID? CHAN1");
+	sc->status.measure.ch1.pdutycycle = scope_get_double(sc, ":MEAS:PDUT? CHAN1");
+	sc->status.measure.ch1.ndutycycle = scope_get_double(sc, ":MEAS:NDUT? CHAN1");
+	sc->status.measure.ch1.pdelay = scope_get_double(sc, ":MEAS:PDEL? CHAN1");
+	sc->status.measure.ch1.ndelay = scope_get_double(sc, ":MEAS:NDEL? CHAN1");
+
+	sc->status.measure.ch2.vpp = scope_get_double(sc, ":MEAS:VPP? CHAN2");
+	sc->status.measure.ch2.vmax = scope_get_double(sc, ":MEAS:VMAX? CHAN2");
+	sc->status.measure.ch2.vmin = scope_get_double(sc, ":MEAS:VMIN? CHAN2");
+	sc->status.measure.ch2.vamplitude = scope_get_double(sc, ":MEAS:VAMP? CHAN2");
+	sc->status.measure.ch2.vtop = scope_get_double(sc, ":MEAS:VTOP? CHAN2");
+	sc->status.measure.ch2.vbase = scope_get_double(sc, ":MEAS:VBAS? CHAN2");
+	sc->status.measure.ch2.vaverage = scope_get_double(sc, ":MEAS:VAV? CHAN2");
+	sc->status.measure.ch2.vrms = scope_get_double(sc, ":MEAS:VRMS? CHAN2");
+	sc->status.measure.ch2.overshoot = scope_get_double(sc, ":MEAS:OVER? CHAN2");
+	sc->status.measure.ch2.preshoot = scope_get_double(sc, ":MEAS:PRES? CHAN2");
+	sc->status.measure.ch2.frequency = scope_get_double(sc, ":MEAS:FREQ? CHAN2");
+	sc->status.measure.ch2.risetime = scope_get_double(sc, ":MEAS:RIS? CHAN2");
+	sc->status.measure.ch2.falltime = scope_get_double(sc, ":MEAS:FALL? CHAN2");
+	sc->status.measure.ch2.period = scope_get_double(sc, ":MEAS:PER? CHAN2");
+	sc->status.measure.ch2.pwidth = scope_get_double(sc, ":MEAS:PWID? CHAN2");
+	sc->status.measure.ch2.nwidth = scope_get_double(sc, ":MEAS:NWID? CHAN2");
+	sc->status.measure.ch2.pdutycycle = scope_get_double(sc, ":MEAS:PDUT? CHAN2");
+	sc->status.measure.ch2.ndutycycle = scope_get_double(sc, ":MEAS:NDUT? CHAN2");
+	sc->status.measure.ch2.pdelay = scope_get_double(sc, ":MEAS:PDEL? CHAN2");
+	sc->status.measure.ch2.ndelay = scope_get_double(sc, ":MEAS:NDEL? CHAN2");
+
+	sc->status.measure.total = scope_get_truth_value(sc, ":MEAS:TOT?");
+	COPY_SCOPE_STRING(sc, ":MEAS:SOUR?", sc->status.measure.source);
+
+}
+
+void update_scope_channel(struct scope *sc, int channel)
+{
+	struct channel_s *ch;
+	char cmd[128];
+	int offs;
+
+	if (channel == 1) {
+		ch = &(sc->status.channel.ch1);
+		strcpy(cmd, ":CHAN1:");
+	} else if (channel == 2) {
+		ch = &(sc->status.channel.ch2);
+		strcpy(cmd, ":CHAN2:");
+	} else {
+		fprintf(stderr, "Unknown channel %d!\n", channel);
+		return;
+	}
+
+	offs=strlen(cmd);
+
+	strcpy(cmd + offs, "BWL?"); ch->bwlimit_enabled = scope_get_truth_value(sc, cmd);
+	strcpy(cmd + offs, "COUP?"); COPY_SCOPE_STRING(sc, cmd, ch->coupling);
+	strcpy(cmd + offs, "DISP?"); ch->displayed = scope_get_truth_value(sc, cmd);
+	strcpy(cmd + offs, "INV?"); ch->inverted = scope_get_truth_value(sc, cmd);
+	strcpy(cmd + offs, "OFFS?"); ch->offset = scope_get_double(sc, cmd);
+	strcpy(cmd + offs, "PROB?"); ch->probe = scope_get_double(sc, cmd);
+	strcpy(cmd + offs, "SCAL?"); ch->scale = scope_get_double(sc, cmd);
+	strcpy(cmd + offs, "FILT?"); ch->filter_enabled = scope_get_truth_value(sc, cmd);
+	strcpy(cmd + offs, "MEMD?"); ch->memory_depth = scope_get_int(sc, cmd);
+	strcpy(cmd + offs, "VERN?"); COPY_SCOPE_STRING(sc, cmd, ch->vernier);
+}
+
+int update_scope_status(struct scope *sc)
+{
+	bzero(&(sc->status), sizeof(sc->status));
+
+	COPY_SCOPE_STRING(sc, ":INFO:LANG?", sc->status.system.lang);
+
+	sc->status.system.counter_enabled = scope_get_truth_value(sc, ":COUN:ENAB?");
+	sc->status.system.beep_enabled = scope_get_truth_value(sc, ":BEEP:ENAB?");
+
+	sc->status.keyboard.key_lock = scope_get_truth_value(sc, ":KEY:LOCK?");
+
+	update_scope_measurements(sc);
+
+	COPY_SCOPE_STRING(sc, ":DISP:TYPE?", sc->status.display.type);
+	COPY_SCOPE_STRING(sc, ":DISP:GRID?", sc->status.display.grid);
+	sc->status.display.persist = scope_get_truth_value(sc, ":DISP:PERS?");
+	COPY_SCOPE_STRING(sc, ":DISP:MNUD?", sc->status.display.mnudisplay);
+	sc->status.display.mnustatus = scope_get_truth_value(sc, ":DISP:MNUS?");
+	COPY_SCOPE_STRING(sc, ":DISP:SCR?", sc->status.display.screen);
+	sc->status.display.brightness = scope_get_int(sc, ":DISP:BRIG?");
+	sc->status.display.intensity = scope_get_int(sc, ":DISP:INT?");
+
+	update_scope_channel(sc, 1);
+	update_scope_channel(sc, 2);
+
+	COPY_SCOPE_STRING(sc, ":ACQ:TYPE?", sc->status.acquire.type);
+	COPY_SCOPE_STRING(sc, ":ACQ:MODE?", sc->status.acquire.mode);
+
+	sc->status.acquire.averages = scope_get_int(sc, ":ACQ:AVER?");
+	sc->status.acquire.srate_ch1 = scope_get_double(sc, ":ACQ:SAMP? CHAN1");
+	sc->status.acquire.srate_ch2 = scope_get_double(sc, ":ACQ:SAMP? CHAN2");
+	sc->status.acquire.srate_digital = scope_get_double(sc, ":ACQ:SAMP? DIGITAL");
+
+	COPY_SCOPE_STRING(sc, ":TIM:MODE?", sc->status.timebase.mode);
+	sc->status.timebase.offset = scope_get_double(sc, ":TIM:OFFS?");
+	sc->status.timebase.delayed_offset = scope_get_double(sc, ":TIM:DEL:OFFS?");
+	sc->status.timebase.scale = scope_get_double(sc, ":TIM:SCAL?");
+	COPY_SCOPE_STRING(sc, ":TIM:FORM?", sc->status.timebase.format);
+
+	return 0;
+}