#define LOG_PREFIX "input/raw_analog"
/* How many bytes at a time to process and send to the session bus. */
-#define CHUNK_SIZE 4096
-#define DEFAULT_NUM_CHANNELS 1
-#define DEFAULT_SAMPLERATE 0
+#define CHUNK_SIZE (4 * 1024 * 1024)
+#define DEFAULT_NUM_CHANNELS 1
+#define DEFAULT_SAMPLERATE 0
struct context {
gboolean started;
{
struct context *inc;
int num_channels;
- char channelname[8];
+ char channelname[16];
const char *format;
int fmt_index;
in->priv = inc = g_malloc0(sizeof(struct context));
for (int i = 0; i < num_channels; i++) {
- snprintf(channelname, 8, "CH%d", i + 1);
+ snprintf(channelname, sizeof(channelname) - 1, "CH%d", i + 1);
sr_channel_new(in->sdi, i, SR_CHANNEL_ANALOG, TRUE, channelname);
}
inc = in->priv;
if (!inc->started) {
- std_session_send_df_header(in->sdi, LOG_PREFIX);
+ std_session_send_df_header(in->sdi);
if (inc->samplerate) {
packet.type = SR_DF_META;
inc = in->priv;
if (inc->started)
- std_session_send_df_end(in->sdi, LOG_PREFIX);
+ std_session_send_df_end(in->sdi);
return ret;
}
static struct sr_option options[] = {
- { "numchannels", "Number of channels", "Number of channels", NULL, NULL },
- { "samplerate", "Sample rate", "Sample rate", NULL, NULL },
- { "format", "Format", "Numeric format", NULL, NULL },
+ { "numchannels", "Number of analog channels", "The number of (analog) channels in the data", NULL, NULL },
+ { "samplerate", "Sample rate (Hz)", "The sample rate of the (analog) data in Hz", NULL, NULL },
+ { "format", "Data format", "The format of the data (data type, signedness, endianness)", NULL, NULL },
ALL_ZERO
};
{
struct context *inc = in->priv;
- cleanup(in);
inc->started = FALSE;
+ cleanup(in);
g_string_truncate(in->buf, 0);
return SR_OK;
SR_PRIV struct sr_input_module input_raw_analog = {
.id = "raw_analog",
.name = "RAW analog",
- .desc = "analog signals without header",
+ .desc = "Raw analog data without header",
.exts = (const char*[]){"raw", "bin", NULL},
.options = get_options,
.init = init,