build: Portability fixes.

[libsigrok.git] / input / binary.c

diff --git a/input/binary.c b/input/binary.c
index 59c79c436fdda64f16c94fbc425969a2bbe55027..e0d4c1dd43576e195addacfe400eab3f6e681ee8 100644 (file)
--- 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 <bert@biot.com>
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
  *
  * 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
@@ -23,40 +23,69 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <sys/time.h>
-#include "sigrok.h"
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "input/binary"
 
 #define CHUNKSIZE             (512 * 1024)
-#define DEFAULT_NUM_PROBES    8
+#define DEFAULT_NUM_CHANNELS  8
+
+struct context {
+       uint64_t samplerate;
+};
 
 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)
 {
-       int num_probes, i;
-       char name[SR_MAX_PROBENAME_LEN + 1];
+       struct sr_channel *ch;
+       int num_channels, i;
+       char name[SR_MAX_CHANNELNAME_LEN + 1];
+       char *param;
+       struct context *ctx;
 
-       if (in->param && in->param[0]) {
-               num_probes = strtoul(in->param, NULL, 10);
-               if (num_probes < 1)
-                       return SR_ERR;
-       } else {
-               num_probes = DEFAULT_NUM_PROBES;
+       (void)filename;
+
+       if (!(ctx = g_try_malloc0(sizeof(*ctx)))) {
+               sr_err("Input format context malloc failed.");
+               return SR_ERR_MALLOC;
+       }
+
+       num_channels = DEFAULT_NUM_CHANNELS;
+       ctx->samplerate = 0;
+
+       if (in->param) {
+               param = g_hash_table_lookup(in->param, "numchannels");
+               if (param) {
+                       num_channels = strtoul(param, NULL, 10);
+                       if (num_channels < 1)
+                               return SR_ERR;
+               }
+
+               param = g_hash_table_lookup(in->param, "samplerate");
+               if (param) {
+                       if (sr_parse_sizestring(param, &ctx->samplerate) != SR_OK)
+                               return SR_ERR;
+               }
        }
 
        /* Create a virtual device. */
-       in->vdevice = sr_dev_new(NULL, 0);
+       in->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL);
+       in->internal = ctx;
 
-       for (i = 0; i < num_probes; i++) {
-               snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i);
+       for (i = 0; i < num_channels; i++) {
+               snprintf(name, SR_MAX_CHANNELNAME_LEN, "%d", i);
                /* TODO: Check return value. */
-               sr_dev_probe_add(in->vdevice, name);
+               if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE, name)))
+                       return SR_ERR;
+               in->sdi->channels = g_slist_append(in->sdi->channels, ch);
        }
 
        return SR_OK;
@@ -64,40 +93,51 @@ 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 meta;
        struct sr_datafeed_logic logic;
+       struct sr_config *src;
        unsigned char buffer[CHUNKSIZE];
-       int fd, size, num_probes;
+       int fd, size, num_channels;
+       struct context *ctx;
+
+       ctx = in->internal;
 
        if ((fd = open(filename, O_RDONLY)) == -1)
                return SR_ERR;
 
-       num_probes = g_slist_length(in->vdevice->probes);
+       num_channels = g_slist_length(in->sdi->channels);
 
-       /* send header */
-       header.feed_version = 1;
-       header.num_logic_probes = num_probes;
-       header.samplerate = 0;
-       gettimeofday(&header.starttime, NULL);
-       packet.type = SR_DF_HEADER;
-       packet.payload = &header;
-       sr_session_bus(in->vdevice, &packet);
+       /* Send header packet to the session bus. */
+       std_session_send_df_header(in->sdi, LOG_PREFIX);
 
-       /* chop up the input file into chunks and feed it into the session bus */
+       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 & send it to the session bus. */
        packet.type = SR_DF_LOGIC;
        packet.payload = &logic;
-       logic.unitsize = (num_probes + 7) / 8;
+       logic.unitsize = (num_channels + 7) / 8;
        logic.data = buffer;
        while ((size = read(fd, buffer, CHUNKSIZE)) > 0) {
                logic.length = size;
-               sr_session_bus(in->vdevice, &packet);
+               sr_session_send(in->sdi, &packet);
        }
        close(fd);
 
-       /* end of stream */
+       /* Send end packet to the session bus. */
        packet.type = SR_DF_END;
-       sr_session_bus(in->vdevice, &packet);
+       sr_session_send(in->sdi, &packet);
+
+       g_free(ctx);
+       in->internal = NULL;
 
        return SR_OK;
 }