X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Foutput%2Fanalog.c;h=5e2b7cd527b6ce0c60c7b1f3bafbb44e60d862ed;hb=962172e4950f3fbc42d5a79cdf63dc179d7513be;hp=0174281afb0926c84fa5195410414db2f9a395d3;hpb=23bdb1c997ac55adfc53a57011ea1f4f69b1ddb7;p=libsigrok.git

diff --git a/src/output/analog.c b/src/output/analog.c
index 0174281a..5e2b7cd5 100644
--- a/src/output/analog.c
+++ b/src/output/analog.c
@@ -70,214 +70,6 @@ static int init(struct sr_output *o, GHashTable *options)
 	return SR_OK;
 }
 
-static void si_printf(float value, GString *out, const char *unitstr)
-{
-	float v;
-
-	if (signbit(value))
-		v = -(value);
-	else
-		v = value;
-
-	if (v < 1e-12 || v > 1e+12)
-		g_string_append_printf(out, "%f %s", value, unitstr);
-	else if (v > 1e+9)
-		g_string_append_printf(out, "%f G%s", value / 1e+9, unitstr);
-	else if (v > 1e+6)
-		g_string_append_printf(out, "%f M%s", value / 1e+6, unitstr);
-	else if (v > 1e+3)
-		g_string_append_printf(out, "%f k%s", value / 1e+3, unitstr);
-	else if (v < 1e-9)
-		g_string_append_printf(out, "%f n%s", value * 1e+9, unitstr);
-	else if (v < 1e-6)
-		g_string_append_printf(out, "%f u%s", value * 1e+6, unitstr);
-	else if (v < 1e-3)
-		g_string_append_printf(out, "%f m%s", value * 1e+3, unitstr);
-	else
-		g_string_append_printf(out, "%f %s", value, unitstr);
-
-}
-
-/* Please use the same order as in enum sr_unit (libsigrok.h). */
-static void fancyprint(int unit, int mqflags, float value, GString *out)
-{
-	switch (unit) {
-	case SR_UNIT_VOLT:
-		si_printf(value, out, "V");
-		break;
-	case SR_UNIT_AMPERE:
-		si_printf(value, out, "A");
-		break;
-	case SR_UNIT_OHM:
-		si_printf(value, out, "");
-		g_string_append_unichar(out, 0x2126);
-		break;
-	case SR_UNIT_FARAD:
-		si_printf(value, out, "F");
-		break;
-	case SR_UNIT_KELVIN:
-		si_printf(value, out, "K");
-		break;
-	case SR_UNIT_CELSIUS:
-		si_printf(value, out, "");
-		g_string_append_unichar(out, 0x00b0);
-		g_string_append_c(out, 'C');
-		break;
-	case SR_UNIT_FAHRENHEIT:
-		si_printf(value, out, "");
-		g_string_append_unichar(out, 0x00b0);
-		g_string_append_c(out, 'F');
-		break;
-	case SR_UNIT_HERTZ:
-		si_printf(value, out, "Hz");
-		break;
-	case SR_UNIT_PERCENTAGE:
-		g_string_append_printf(out, "%f %%", value);
-		break;
-	case SR_UNIT_BOOLEAN:
-		if (value > 0)
-			g_string_append_printf(out, "TRUE");
-		else
-			g_string_append_printf(out, "FALSE");
-		break;
-	case SR_UNIT_SECOND:
-		si_printf(value, out, "s");
-		break;
-	case SR_UNIT_SIEMENS:
-		si_printf(value, out, "S");
-		break;
-	case SR_UNIT_DECIBEL_MW:
-		si_printf(value, out, "dBu");
-		break;
-	case SR_UNIT_DECIBEL_VOLT:
-		si_printf(value, out, "dBV");
-		break;
-	case SR_UNIT_UNITLESS:
-		si_printf(value, out, "");
-		break;
-	case SR_UNIT_DECIBEL_SPL:
-		if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_A)
-			si_printf(value, out, "dB(A)");
-		else if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_C)
-			si_printf(value, out, "dB(C)");
-		else if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_Z)
-			si_printf(value, out, "dB(Z)");
-		else
-			/* No frequency weighting, or non-standard "flat" */
-			si_printf(value, out, "dB(SPL)");
-		if (mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_S)
-			g_string_append(out, " S");
-		else if (mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_F)
-			g_string_append(out, " F");
-		if (mqflags & SR_MQFLAG_SPL_LAT)
-			g_string_append(out, " LAT");
-		else if (mqflags & SR_MQFLAG_SPL_PCT_OVER_ALARM)
-			/* Not a standard function for SLMs, so this is
-			 * a made-up notation. */
-			g_string_append(out, " %oA");
-		break;
-	case SR_UNIT_CONCENTRATION:
-		g_string_append_printf(out, "%f ppm", value * (1000 * 1000));
-		break;
-	case SR_UNIT_REVOLUTIONS_PER_MINUTE:
-		si_printf(value, out, "RPM");
-		break;
-	case SR_UNIT_VOLT_AMPERE:
-		si_printf(value, out, "VA");
-		break;
-	case SR_UNIT_WATT:
-		si_printf(value, out, "W");
-		break;
-	case SR_UNIT_WATT_HOUR:
-		si_printf(value, out, "Wh");
-		break;
-	case SR_UNIT_METER_SECOND:
-		si_printf(value, out, "m/s");
-		break;
-	case SR_UNIT_HECTOPASCAL:
-		si_printf(value, out, "hPa");
-		break;
-	case SR_UNIT_HUMIDITY_293K:
-		si_printf(value, out, "%rF");
-		break;
-	case SR_UNIT_DEGREE:
-		si_printf(value, out, "");
-		g_string_append_unichar(out, 0x00b0);
-		break;
-	case SR_UNIT_HENRY:
-		si_printf(value, out, "H");
-		break;
-	case SR_UNIT_GRAM:
-		si_printf(value, out, "g");
-		break;
-	case SR_UNIT_CARAT:
-		si_printf(value, out, "ct");
-		break;
-	case SR_UNIT_OUNCE:
-		si_printf(value, out, "oz");
-		break;
-	case SR_UNIT_TROY_OUNCE:
-		si_printf(value, out, "oz t");
-		break;
-	case SR_UNIT_POUND:
-		si_printf(value, out, "lb");
-		break;
-	case SR_UNIT_PENNYWEIGHT:
-		si_printf(value, out, "dwt");
-		break;
-	case SR_UNIT_GRAIN:
-		si_printf(value, out, "gr");
-		break;
-	case SR_UNIT_TAEL:
-		si_printf(value, out, "tael");
-		break;
-	case SR_UNIT_MOMME:
-		si_printf(value, out, "momme");
-		break;
-	case SR_UNIT_TOLA:
-		si_printf(value, out, "tola");
-		break;
-	case SR_UNIT_PIECE:
-		si_printf(value, out, "pcs");
-		break;
-	default:
-		si_printf(value, out, "");
-		break;
-	}
-
-	/* Please use the same order as in enum sr_mqflag (libsigrok.h). */
-	if (mqflags & SR_MQFLAG_AC)
-		g_string_append_printf(out, " AC");
-	if (mqflags & SR_MQFLAG_DC)
-		g_string_append_printf(out, " DC");
-	if (mqflags & SR_MQFLAG_RMS)
-		g_string_append_printf(out, " RMS");
-	if (mqflags & SR_MQFLAG_DIODE)
-		g_string_append_printf(out, " DIODE");
-	if (mqflags & SR_MQFLAG_HOLD)
-		g_string_append_printf(out, " HOLD");
-	if (mqflags & SR_MQFLAG_MAX)
-		g_string_append_printf(out, " MAX");
-	if (mqflags & SR_MQFLAG_MIN)
-		g_string_append_printf(out, " MIN");
-	if (mqflags & SR_MQFLAG_AUTORANGE)
-		g_string_append_printf(out, " AUTO");
-	if (mqflags & SR_MQFLAG_RELATIVE)
-		g_string_append_printf(out, " REL");
-	/* Note: SR_MQFLAG_SPL_* is handled above. */
-	if (mqflags & SR_MQFLAG_DURATION)
-		g_string_append_printf(out, " DURATION");
-	if (mqflags & SR_MQFLAG_AVG)
-		g_string_append_printf(out, " AVG");
-	if (mqflags & SR_MQFLAG_REFERENCE)
-		g_string_append_printf(out, " REF");
-	if (mqflags & SR_MQFLAG_UNSTABLE)
-		g_string_append_printf(out, " UNSTABLE");
-	if (mqflags & SR_MQFLAG_FOUR_WIRE)
-		g_string_append_printf(out, " 4-WIRE");
-	g_string_append_c(out, '\n');
-}
-
 static int receive(const struct sr_output *o, const struct sr_datafeed_packet *packet,
 		GString **out)
 {
@@ -324,13 +116,15 @@ static int receive(const struct sr_output *o, const struct sr_datafeed_packet *p
 		sr_analog_unit_to_string(analog, &suffix);
 		for (i = 0; i < analog->num_samples; i++) {
 			for (l = analog->meaning->channels, c = 0; l; l = l->next, c++) {
+				float value = fdata[i * num_channels + c];
+				const char *prefix = sr_analog_si_prefix(&value, &digits);
 				ch = l->data;
 				g_string_append_printf(*out, "%s: ", ch->name);
-				number = g_strdup_printf("%.*f", digits,
-						fdata[i * num_channels + c]);
+				number = g_strdup_printf("%.*f", MAX(digits, 0), value);
 				g_string_append(*out, number);
 				g_free(number);
 				g_string_append(*out, " ");
+				g_string_append(*out, prefix);
 				g_string_append(*out, suffix);
 				g_string_append(*out, "\n");
 			}