X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=output%2Fanalog.c;h=bdb55733c492576d51e5ab72c7e1a5f4dfd2419d;hb=HEAD;hp=4b823955de696fed3982da573a999730ec9c97e2;hpb=06c45a66f76f986cd845a05fdee36956b1339621;p=libsigrok.git diff --git a/output/analog.c b/output/analog.c deleted file mode 100644 index 4b823955..00000000 --- a/output/analog.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2012 Bert Vermeulen - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include -#include -#include -#include "libsigrok.h" -#include "libsigrok-internal.h" - -/* Message logging helpers with driver-specific prefix string. */ -#define DRIVER_LOG_DOMAIN "output/analog: " -#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) -#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) -#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) -#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) -#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) -#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) - -struct context { - int num_enabled_probes; - GPtrArray *probelist; -}; - -static int init(struct sr_output *o) -{ - struct context *ctx; - struct sr_probe *probe; - GSList *l; - - sr_spew("Initializing output module."); - - if (!o || !o->sdi) - return SR_ERR_ARG; - - if (!(ctx = g_try_malloc0(sizeof(struct context)))) { - sr_err("Output module context malloc failed."); - return SR_ERR_MALLOC; - } - o->internal = ctx; - - /* Get the number of probes and their names. */ - ctx->probelist = g_ptr_array_new(); - for (l = o->sdi->probes; l; l = l->next) { - probe = l->data; - if (!probe || !probe->enabled) - continue; - g_ptr_array_add(ctx->probelist, probe->name); - ctx->num_enabled_probes++; - } - - 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_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 * 1000000); - break; - default: - si_printf(value, out, ""); - break; - } - if ((mqflags & (SR_MQFLAG_AC | SR_MQFLAG_DC)) == (SR_MQFLAG_AC | SR_MQFLAG_DC)) - g_string_append_printf(out, " AC+DC"); - else if (mqflags & SR_MQFLAG_AC) - g_string_append_printf(out, " AC"); - else if (mqflags & SR_MQFLAG_DC) - g_string_append_printf(out, " DC"); - g_string_append_c(out, '\n'); -} - -static int receive(struct sr_output *o, const struct sr_dev_inst *sdi, - const struct sr_datafeed_packet *packet, GString **out) -{ - const struct sr_datafeed_analog *analog; - struct sr_probe *probe; - GSList *l; - const float *fdata; - int i, p; - - (void)sdi; - - *out = NULL; - if (!o || !o->sdi) - return SR_ERR_ARG; - - switch (packet->type) { - case SR_DF_FRAME_BEGIN: - *out = g_string_new("FRAME-BEGIN\n"); - break; - case SR_DF_FRAME_END: - *out = g_string_new("FRAME-END\n"); - break; - case SR_DF_ANALOG: - analog = packet->payload; - fdata = (const float *)analog->data; - *out = g_string_sized_new(512); - for (i = 0; i < analog->num_samples; i++) { - for (l = analog->probes, p = 0; l; l = l->next, p++) { - probe = l->data; - g_string_append_printf(*out, "%s: ", probe->name); - fancyprint(analog->unit, analog->mqflags, - fdata[i + p], *out); - } - } - break; - } - - return SR_OK; -} - -static int cleanup(struct sr_output *o) -{ - struct context *ctx; - - if (!o || !o->sdi) - return SR_ERR_ARG; - ctx = o->internal; - - g_ptr_array_free(ctx->probelist, 1); - g_free(ctx); - o->internal = NULL; - - return SR_OK; -} - -SR_PRIV struct sr_output_format output_analog = { - .id = "analog", - .description = "Analog data", - .df_type = SR_DF_ANALOG, - .init = init, - .receive = receive, - .cleanup = cleanup -};