BLAHAJ
/
libsigrok
10
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

output/analog: add support for sound pressure level

This commit is contained in:
Bert Vermeulen 2012-11-02 15:19:01 +01:00
parent bde4f4296d
commit 258eeb77b8
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
output/analog.c
View File

@ -143,6 +143,27 @@ static void fancyprint(int unit, int mqflags, float value, GString *out)
case SR_UNIT_DECIBEL_VOLT:
si_printf(value, out, "dBV");
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;
default:
si_printf(value, out, "");
}