X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Foutput%2Fanalog.c;h=5f77a59c2c3393c1160ea610a116e893f50cf512;hb=28c95cc6c45ede9ec9d184d606bfc16505834429;hp=406d8c6e593c0f8b3f6c0bb2a1707963f7013638;hpb=1a46cc62e2b528bcaeb1f8dc0c952a81b3bcba5c;p=libsigrok.git diff --git a/src/output/analog.c b/src/output/analog.c index 406d8c6e..5f77a59c 100644 --- a/src/output/analog.c +++ b/src/output/analog.c @@ -17,11 +17,12 @@ * along with this program. If not, see . */ +#include #include #include #include #include -#include "libsigrok.h" +#include #include "libsigrok-internal.h" #define LOG_PREFIX "output/analog" @@ -30,6 +31,7 @@ struct context { int num_enabled_channels; GPtrArray *channellist; int digits; + float *fdata; }; enum { @@ -63,184 +65,21 @@ static int init(struct sr_output *o, GHashTable *options) g_ptr_array_add(ctx->channellist, ch->name); ctx->num_enabled_channels++; } + ctx->fdata = NULL; return SR_OK; } -static void si_printf(float value, GString *out, 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); - -} - -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_HENRY: - si_printf(value, out, "H"); - 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_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; - default: - si_printf(value, out, ""); - break; - } - - 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"); - if (mqflags & SR_MQFLAG_AVG) - g_string_append_printf(out, " AVG"); - if (mqflags & SR_MQFLAG_REFERENCE) - g_string_append_printf(out, " REF"); - g_string_append_c(out, '\n'); -} - static int receive(const struct sr_output *o, const struct sr_datafeed_packet *packet, GString **out) { struct context *ctx; const struct sr_datafeed_analog *analog; - const struct sr_datafeed_analog2 *analog2; struct sr_channel *ch; GSList *l; float *fdata; unsigned int i; - int num_channels, c, ret, si, digits; + int num_channels, c, ret, digits; char *number, *suffix; *out = NULL; @@ -257,42 +96,30 @@ static int receive(const struct sr_output *o, const struct sr_datafeed_packet *p break; case SR_DF_ANALOG: analog = packet->payload; - fdata = (float *)analog->data; - *out = g_string_sized_new(512); - num_channels = g_slist_length(analog->channels); - for (si = 0; si < analog->num_samples; si++) { - for (l = analog->channels, c = 0; l; l = l->next, c++) { - ch = l->data; - g_string_append_printf(*out, "%s: ", ch->name); - fancyprint(analog->unit, analog->mqflags, - fdata[si * num_channels + c], *out); - } - } - break; - case SR_DF_ANALOG2: - analog2 = packet->payload; - if (!(fdata = g_try_malloc(analog2->num_samples * sizeof(float)))) + num_channels = g_slist_length(analog->meaning->channels); + if (!(fdata = g_try_realloc(ctx->fdata, + analog->num_samples * num_channels * sizeof(float)))) return SR_ERR_MALLOC; - if ((ret = sr_analog_to_float(analog2, fdata)) != SR_OK) + ctx->fdata = fdata; + if ((ret = sr_analog_to_float(analog, fdata)) != SR_OK) return ret; *out = g_string_sized_new(512); - if (analog2->encoding->is_digits_decimal) { + if (analog->encoding->is_digits_decimal) { if (ctx->digits == DIGITS_ALL) - digits = analog2->encoding->digits; + digits = analog->encoding->digits; else - digits = analog2->spec->spec_digits; + digits = analog->spec->spec_digits; } else { /* TODO we don't know how to print by number of bits yet. */ digits = 6; } - sr_analog_unit_to_string(analog2, &suffix); - num_channels = g_slist_length(analog2->meaning->channels); - for (i = 0; i < analog2->num_samples; i++) { - for (l = analog2->meaning->channels, c = 0; l; l = l->next, c++) { + 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++) { ch = l->data; g_string_append_printf(*out, "%s: ", ch->name); - sr_analog_float_to_string(fdata[i * num_channels + c], - digits, &number); + number = g_strdup_printf("%.*f", MAX(digits, 0), + fdata[i * num_channels + c]); g_string_append(*out, number); g_free(number); g_string_append(*out, " "); @@ -307,21 +134,6 @@ static int receive(const struct sr_output *o, const struct sr_datafeed_packet *p return SR_OK; } -static int cleanup(struct sr_output *o) -{ - struct context *ctx; - - if (!o || !o->sdi) - return SR_ERR_ARG; - ctx = o->priv; - - g_ptr_array_free(ctx->channellist, 1); - g_free(ctx); - o->priv = NULL; - - return SR_OK; -} - static struct sr_option options[] = { { "digits", "Digits", "Digits to show", NULL, NULL }, ALL_ZERO @@ -340,11 +152,30 @@ static const struct sr_option *get_options(void) return options; } +static int cleanup(struct sr_output *o) +{ + struct context *ctx; + + if (!o || !o->sdi) + return SR_ERR_ARG; + ctx = o->priv; + + g_ptr_array_free(ctx->channellist, 1); + g_variant_unref(options[0].def); + g_slist_free_full(options[0].values, (GDestroyNotify)g_variant_unref); + g_free(ctx->fdata); + g_free(ctx); + o->priv = NULL; + + return SR_OK; +} + SR_PRIV struct sr_output_module output_analog = { .id = "analog", .name = "Analog", .desc = "Analog data and types", .exts = NULL, + .flags = 0, .options = get_options, .init = init, .receive = receive,