X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=input%2Fbinary.c;h=da664a85e6f140d14de0c8796a6adc76e3034e8c;hb=HEAD;hp=e0d4c1dd43576e195addacfe400eab3f6e681ee8;hpb=3f239f0803b9fbc073dd7abe9fc7b2a0c606fbb6;p=libsigrok.git diff --git a/input/binary.c b/input/binary.c deleted file mode 100644 index e0d4c1dd..00000000 --- a/input/binary.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * 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 - * 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 -#include -#include "libsigrok.h" -#include "libsigrok-internal.h" - -#define LOG_PREFIX "input/binary" - -#define CHUNKSIZE (512 * 1024) -#define DEFAULT_NUM_CHANNELS 8 - -struct context { - uint64_t samplerate; -}; - -static int format_match(const char *filename) -{ - (void)filename; - - /* This module will handle anything you throw at it. */ - return TRUE; -} - -static int init(struct sr_input *in, const char *filename) -{ - struct sr_channel *ch; - int num_channels, i; - char name[SR_MAX_CHANNELNAME_LEN + 1]; - char *param; - struct context *ctx; - - (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->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL); - in->internal = ctx; - - for (i = 0; i < num_channels; i++) { - snprintf(name, SR_MAX_CHANNELNAME_LEN, "%d", i); - /* TODO: Check return value. */ - 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; -} - -static int loadfile(struct sr_input *in, const char *filename) -{ - 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_channels; - struct context *ctx; - - ctx = in->internal; - - if ((fd = open(filename, O_RDONLY)) == -1) - return SR_ERR; - - num_channels = g_slist_length(in->sdi->channels); - - /* Send header packet to the session bus. */ - std_session_send_df_header(in->sdi, LOG_PREFIX); - - 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_channels + 7) / 8; - logic.data = buffer; - while ((size = read(fd, buffer, CHUNKSIZE)) > 0) { - logic.length = size; - sr_session_send(in->sdi, &packet); - } - close(fd); - - /* Send end packet to the session bus. */ - packet.type = SR_DF_END; - sr_session_send(in->sdi, &packet); - - g_free(ctx); - in->internal = NULL; - - return SR_OK; -} - -SR_PRIV struct sr_input_format input_binary = { - .id = "binary", - .description = "Raw binary", - .format_match = format_match, - .init = init, - .loadfile = loadfile, -};