X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Finput%2Fbinary.c;h=995c47d78fe5fcaf32826d7c771a2a3087d4f28d;hb=8bc2fa6d820d05f88fa003baa9837ebc7663681d;hp=5862e36e24799d473357dde7f02670d029e1b4cb;hpb=7066fd466038bb4a8d09751f8a53c2452c5fefc1;p=libsigrok.git diff --git a/src/input/binary.c b/src/input/binary.c index 5862e36e..995c47d7 100644 --- a/src/input/binary.c +++ b/src/input/binary.c @@ -17,29 +17,30 @@ * along with this program. If not, see . */ +#include #include #include #include #include #include #include -#include "libsigrok.h" +#include #include "libsigrok-internal.h" #define LOG_PREFIX "input/binary" -#define MAX_CHUNK_SIZE 4096 -#define DEFAULT_NUM_CHANNELS 8 -#define DEFAULT_SAMPLERATE 0 +#define CHUNK_SIZE (4 * 1024 * 1024) +#define DEFAULT_NUM_CHANNELS 8 +#define DEFAULT_SAMPLERATE 0 struct context { gboolean started; uint64_t samplerate; + uint16_t unitsize; }; static int init(struct sr_input *in, GHashTable *options) { - struct sr_channel *ch; struct context *inc; int num_channels, i; char name[16]; @@ -50,17 +51,18 @@ static int init(struct sr_input *in, GHashTable *options) return SR_ERR_ARG; } - in->sdi = sr_dev_inst_new(SR_ST_ACTIVE, NULL, NULL, NULL); + in->sdi = g_malloc0(sizeof(struct sr_dev_inst)); in->priv = inc = g_malloc0(sizeof(struct context)); inc->samplerate = g_variant_get_uint64(g_hash_table_lookup(options, "samplerate")); for (i = 0; i < num_channels; i++) { - snprintf(name, 16, "%d", i); - ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE, name); - in->sdi->channels = g_slist_append(in->sdi->channels, ch); + snprintf(name, sizeof(name), "%d", i); + sr_channel_new(in->sdi, i, SR_CHANNEL_LOGIC, TRUE, name); } + inc->unitsize = (g_slist_length(in->sdi->channels) + 7) / 8; + return SR_OK; } @@ -76,7 +78,7 @@ static int process_buffer(struct sr_input *in) 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; @@ -84,6 +86,7 @@ static int process_buffer(struct sr_input *in) src = sr_config_new(SR_CONF_SAMPLERATE, g_variant_new_uint64(inc->samplerate)); meta.config = g_slist_append(NULL, src); sr_session_send(in->sdi, &packet); + g_slist_free(meta.config); sr_config_free(src); } @@ -92,15 +95,14 @@ static int process_buffer(struct sr_input *in) packet.type = SR_DF_LOGIC; packet.payload = &logic; - logic.unitsize = (g_slist_length(in->sdi->channels) + 7) / 8; + logic.unitsize = inc->unitsize; /* Cut off at multiple of unitsize. */ chunk_size = in->buf->len / logic.unitsize * logic.unitsize; - chunk = 0; for (i = 0; i < chunk_size; i += chunk) { logic.data = in->buf->str + i; - chunk = MIN(MAX_CHUNK_SIZE, chunk_size - i); + chunk = MIN(CHUNK_SIZE, chunk_size - i); logic.length = chunk; sr_session_send(in->sdi, &packet); } @@ -129,7 +131,6 @@ static int receive(struct sr_input *in, GString *buf) static int end(struct sr_input *in) { struct context *inc; - struct sr_datafeed_packet packet; int ret; if (in->sdi_ready) @@ -138,21 +139,29 @@ static int end(struct sr_input *in) ret = SR_OK; inc = in->priv; - if (inc->started) { - packet.type = SR_DF_END; - sr_session_send(in->sdi, &packet); - } + if (inc->started) + std_session_send_df_end(in->sdi); return ret; } +static int reset(struct sr_input *in) +{ + struct context *inc = in->priv; + + inc->started = FALSE; + g_string_truncate(in->buf, 0); + + return SR_OK; +} + static struct sr_option options[] = { - { "numchannels", "Number of channels", "Number of channels", NULL, NULL }, - { "samplerate", "Sample rate", "Sample rate", NULL, NULL }, + { "numchannels", "Number of logic channels", "The number of (logic) channels in the data", NULL, NULL }, + { "samplerate", "Sample rate (Hz)", "The sample rate of the (logic) data in Hz", NULL, NULL }, ALL_ZERO }; -static struct sr_option *get_options(void) +static const struct sr_option *get_options(void) { if (!options[0].def) { options[0].def = g_variant_ref_sink(g_variant_new_int32(DEFAULT_NUM_CHANNELS)); @@ -166,8 +175,10 @@ SR_PRIV struct sr_input_module input_binary = { .id = "binary", .name = "Binary", .desc = "Raw binary", + .exts = NULL, .options = get_options, .init = init, .receive = receive, .end = end, + .reset = reset, };