X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=input%2Fbinary.c;h=dfeedee7433473ab0be857e83b3dbe3e9382fcc1;hb=471607f0244e93cd67097760431a0dd3d39152eb;hp=8348ea82dd9870a6aa223c6fcc804dc5fe4ad0c2;hpb=5c3c1241d2e2b5d456865e876490492d76174257;p=libsigrok.git diff --git a/input/binary.c b/input/binary.c index 8348ea82..dfeedee7 100644 --- a/input/binary.c +++ b/input/binary.c @@ -1,7 +1,7 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * - * Copyright (C) 2010-2012 Bert Vermeulen + * Copyright (C) 2013 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 @@ -26,6 +26,8 @@ #include "libsigrok.h" #include "libsigrok-internal.h" +#define LOG_PREFIX "input/binary" + #define CHUNKSIZE (512 * 1024) #define DEFAULT_NUM_PROBES 8 @@ -35,14 +37,13 @@ struct context { static int format_match(const char *filename) { - /* suppress compiler warning */ (void)filename; - /* this module will handle anything you throw at it */ + /* This module will handle anything you throw at it. */ return TRUE; } -static int init(struct sr_input *in) +static int init(struct sr_input *in, const char *filename) { struct sr_probe *probe; int num_probes, i; @@ -50,15 +51,17 @@ static int init(struct sr_input *in) char *param; struct context *ctx; + (void)filename; + if (!(ctx = g_try_malloc0(sizeof(*ctx)))) { - sr_err("binary in: %s: ctx malloc failed", __func__); + sr_err("Input format context malloc failed."); return SR_ERR_MALLOC; } num_probes = DEFAULT_NUM_PROBES; ctx->samplerate = 0; - if(in->param) { + if (in->param) { param = g_hash_table_lookup(in->param, "numprobes"); if (param) { num_probes = strtoul(param, NULL, 10); @@ -90,10 +93,10 @@ static int init(struct sr_input *in) static int loadfile(struct sr_input *in, const char *filename) { - struct sr_datafeed_header header; struct sr_datafeed_packet packet; - struct sr_datafeed_meta_logic meta; + struct sr_datafeed_meta meta; struct sr_datafeed_logic logic; + struct sr_config *src; unsigned char buffer[CHUNKSIZE]; int fd, size, num_probes; struct context *ctx; @@ -105,21 +108,20 @@ static int loadfile(struct sr_input *in, const char *filename) num_probes = g_slist_length(in->sdi->probes); - /* send header */ - header.feed_version = 1; - gettimeofday(&header.starttime, NULL); - packet.type = SR_DF_HEADER; - packet.payload = &header; - sr_session_send(in->sdi, &packet); + /* Send header packet to the session bus. */ + std_session_send_df_header(in->sdi, LOG_PREFIX); - /* Send metadata about the SR_DF_LOGIC packets to come. */ - packet.type = SR_DF_META_LOGIC; - packet.payload = &meta; - meta.samplerate = ctx->samplerate; - meta.num_probes = num_probes; - sr_session_send(in->sdi, &packet); + if (ctx->samplerate) { + packet.type = SR_DF_META; + packet.payload = &meta; + src = sr_config_new(SR_CONF_SAMPLERATE, + g_variant_new_uint64(ctx->samplerate)); + meta.config = g_slist_append(NULL, src); + sr_session_send(in->sdi, &packet); + sr_config_free(src); + } - /* chop up the input file into chunks and feed it into the session bus */ + /* Chop up the input file into chunks & send it to the session bus. */ packet.type = SR_DF_LOGIC; packet.payload = &logic; logic.unitsize = (num_probes + 7) / 8; @@ -130,7 +132,7 @@ static int loadfile(struct sr_input *in, const char *filename) } close(fd); - /* end of stream */ + /* Send end packet to the session bus. */ packet.type = SR_DF_END; sr_session_send(in->sdi, &packet);