/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2011 Uwe Hermann <uwe@hermann-uwe.de>
*
#include "libsigrok.h"
#include "libsigrok-internal.h"
+#define LOG_PREFIX "input/chronovu-la8"
+
#define NUM_PACKETS 2048
#define PACKET_SIZE 4096
#define DEFAULT_NUM_PROBES 8
int ret;
if (!filename) {
- sr_err("la8 in: %s: filename was NULL", __func__);
+ sr_err("%s: filename was NULL", __func__);
// return SR_ERR; /* FIXME */
return FALSE;
}
if (!g_file_test(filename, G_FILE_TEST_EXISTS)) {
- sr_err("la8 in: %s: input file '%s' does not exist",
+ sr_err("%s: input file '%s' does not exist",
__func__, filename);
// return SR_ERR; /* FIXME */
return FALSE;
}
if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
- sr_err("la8 in: %s: input file '%s' not a regular file",
+ sr_err("%s: input file '%s' not a regular file",
__func__, filename);
// return SR_ERR; /* FIXME */
return FALSE;
/* Only accept files of length 8MB + 5 bytes. */
ret = stat(filename, &stat_buf);
if (ret != 0) {
- sr_err("la8 in: %s: Error getting file size of '%s'",
+ sr_err("%s: Error getting file size of '%s'",
__func__, filename);
return FALSE;
}
if (stat_buf.st_size != (8 * 1024 * 1024 + 5)) {
- sr_dbg("la8 in: %s: File size must be exactly 8388613 bytes ("
+ sr_dbg("%s: File size must be exactly 8388613 bytes ("
"it actually is %d bytes in size), so this is not a "
"ChronoVu LA8 file.", __func__, stat_buf.st_size);
return FALSE;
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;
+ struct sr_channel *ch;
+ int num_channels, i;
char name[SR_MAX_PROBENAME_LEN + 1];
char *param;
- num_probes = DEFAULT_NUM_PROBES;
+ (void)filename;
+
+ num_channels = DEFAULT_NUM_PROBES;
if (in->param) {
- param = g_hash_table_lookup(in->param, "numprobes");
+ param = g_hash_table_lookup(in->param, "numchannels");
if (param) {
- num_probes = strtoul(param, NULL, 10);
- if (num_probes < 1) {
- sr_err("la8 in: %s: strtoul failed", __func__);
+ num_channels = strtoul(param, NULL, 10);
+ if (num_channels < 1) {
+ sr_err("%s: strtoul failed", __func__);
return SR_ERR;
}
}
/* Create a virtual device. */
in->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL);
- for (i = 0; i < num_probes; i++) {
+ for (i = 0; i < num_channels; i++) {
snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i);
/* TODO: Check return value. */
- if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, name)))
+ if (!(ch = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, name)))
return SR_ERR;
- in->sdi->probes = g_slist_append(in->sdi->probes, probe);
+ 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_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;
uint8_t buf[PACKET_SIZE], divcount;
- int i, fd, size, num_probes;
+ int i, fd, size, num_channels;
uint64_t samplerate;
/* TODO: Use glib functions! GIOChannel, g_fopen, etc. */
if ((fd = open(filename, O_RDONLY)) == -1) {
- sr_err("la8 in: %s: file open failed", __func__);
+ sr_err("%s: file open failed", __func__);
return SR_ERR;
}
- num_probes = g_slist_length(in->sdi->probes);
+ num_channels = g_slist_length(in->sdi->channels);
/* Seek to the end of the file, and read the divcount byte. */
divcount = 0x00; /* TODO: Don't hardcode! */
close(fd); /* FIXME */
return SR_ERR;
}
- sr_dbg("la8 in: %s: samplerate is %" PRIu64, __func__, samplerate);
+ sr_dbg("%s: samplerate is %" PRIu64, __func__, samplerate);
/* Send header packet to the session bus. */
- sr_dbg("la8 in: %s: sending SR_DF_HEADER packet", __func__);
- packet.type = SR_DF_HEADER;
- packet.payload = &header;
- header.feed_version = 1;
- gettimeofday(&header.starttime, NULL);
- sr_session_send(in->sdi, &packet);
+ 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.type = SR_DF_META;
packet.payload = &meta;
- meta.samplerate = samplerate;
- meta.num_probes = num_probes;
+ src = sr_config_new(SR_CONF_SAMPLERATE, g_variant_new_uint64(samplerate));
+ meta.config = g_slist_append(NULL, src);
sr_session_send(in->sdi, &packet);
+ sr_config_free(src);
/* TODO: Handle trigger point. */
/* Send data packets to the session bus. */
- sr_dbg("la8 in: %s: sending SR_DF_LOGIC data packets", __func__);
+ sr_dbg("%s: sending SR_DF_LOGIC data packets", __func__);
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
- logic.unitsize = (num_probes + 7) / 8;
+ logic.unitsize = (num_channels + 7) / 8;
logic.data = buf;
/* Send 8MB of total data to the session bus in small chunks. */
close(fd); /* FIXME */
/* Send end packet to the session bus. */
- sr_dbg("la8 in: %s: sending SR_DF_END", __func__);
+ sr_dbg("%s: sending SR_DF_END", __func__);
packet.type = SR_DF_END;
packet.payload = NULL;
sr_session_send(in->sdi, &packet);
projects / libsigrok.git / blobdiff