--- /dev/null
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2014 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
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "output/bits"
+
+#define DEFAULT_SAMPLES_PER_LINE 64
+
+struct context {
+ unsigned int num_enabled_channels;
+ int samples_per_line;
+ int spl_cnt;
+ int trigger;
+ int *channel_index;
+ char **channel_names;
+ GString **lines;
+ GString *header;
+};
+
+static int init(struct sr_output *o)
+{
+ struct context *ctx;
+ struct sr_channel *ch;
+ GSList *l;
+ GVariant *gvar;
+ uint64_t samplerate;
+ unsigned int i, j;
+ int spl, num_channels;
+ char *samplerate_s;
+
+ if (!o || !o->sdi)
+ return SR_ERR_ARG;
+ ctx = g_malloc0(sizeof(struct context));
+ o->internal = ctx;
+ ctx->trigger = -1;
+
+ if (o->param && o->param[0]) {
+ if ((spl = strtoul(o->param, NULL, 10)) < 1)
+ return SR_ERR_ARG;
+ } else
+ spl = DEFAULT_SAMPLES_PER_LINE;
+ ctx->samples_per_line = spl;
+
+ for (l = o->sdi->channels; l; l = l->next) {
+ ch = l->data;
+ if (ch->type != SR_CHANNEL_LOGIC)
+ continue;
+ if (!ch->enabled)
+ continue;
+ ctx->num_enabled_channels++;
+ }
+ ctx->channel_index = g_malloc(sizeof(int) * ctx->num_enabled_channels);
+ ctx->channel_names = g_malloc(sizeof(char *) * ctx->num_enabled_channels);
+ ctx->lines = g_malloc(sizeof(GString *) * ctx->num_enabled_channels);
+
+ j = 0;
+ for (i = 0, l = o->sdi->channels; l; l = l->next, i++) {
+ ch = l->data;
+ if (ch->type != SR_CHANNEL_LOGIC)
+ continue;
+ if (!ch->enabled)
+ continue;
+ ctx->channel_index[j] = ch->index;
+ ctx->channel_names[j] = ch->name;
+ ctx->lines[j] = g_string_sized_new(80);
+ g_string_printf(ctx->lines[j], "%s:", ch->name);
+ j++;
+ }
+
+ ctx->header = g_string_sized_new(512);
+ g_string_printf(ctx->header, "%s\n", PACKAGE_STRING);
+ num_channels = g_slist_length(o->sdi->channels);
+ if (sr_config_get(o->sdi->driver, o->sdi, NULL, SR_CONF_SAMPLERATE,
+ &gvar) == SR_OK) {
+ samplerate = g_variant_get_uint64(gvar);
+ samplerate_s = sr_samplerate_string(samplerate);
+ g_string_append_printf(ctx->header, "Acquisition with %d/%d channels at %s\n",
+ ctx->num_enabled_channels, num_channels, samplerate_s);
+ g_free(samplerate_s);
+ g_variant_unref(gvar);
+ }
+
+ return SR_OK;
+}
+
+static int receive(struct sr_output *o, const struct sr_dev_inst *sdi,
+ const struct sr_datafeed_packet *packet, GString **out)
+{
+ const struct sr_datafeed_logic *logic;
+ struct context *ctx;
+ int idx, offset;
+ uint64_t i, j;
+ gchar *p, c;
+
+ (void)sdi;
+
+ *out = NULL;
+ if (!o || !o->sdi)
+ return SR_ERR_ARG;
+ if (!(ctx = o->internal))
+ return SR_ERR_ARG;
+
+ switch (packet->type) {
+ case SR_DF_TRIGGER:
+ ctx->trigger = ctx->spl_cnt;
+ break;
+ case SR_DF_LOGIC:
+ if (ctx->header) {
+ /* The header is still here, this must be the first packet. */
+ *out = ctx->header;
+ ctx->header = NULL;
+ } else
+ *out = g_string_sized_new(512);
+
+ logic = packet->payload;
+ for (i = 0; i <= logic->length - logic->unitsize; i += logic->unitsize) {
+ ctx->spl_cnt++;
+ for (j = 0; j < ctx->num_enabled_channels; j++) {
+ idx = ctx->channel_index[j];
+ p = logic->data + i + idx / 8;
+ c = (*p & (1 << (idx % 8))) ? '1' : '0';
+ g_string_append_c(ctx->lines[j], c);
+
+ if (ctx->spl_cnt == ctx->samples_per_line) {
+ /* Flush line buffers. */
+ g_string_append_len(*out, ctx->lines[j]->str, ctx->lines[j]->len);
+ g_string_append_c(*out, '\n');
+ if (j == ctx->num_enabled_channels - 1 && ctx->trigger > -1) {
+ offset = ctx->trigger + ctx->trigger / 8;
+ g_string_append_printf(*out, "T:%*s^ %d\n", offset, "", ctx->trigger);
+ ctx->trigger = -1;
+ }
+ g_string_printf(ctx->lines[j], "%s:", ctx->channel_names[j]);
+ } else if ((ctx->spl_cnt & 7) == 0) {
+ /* Add a space every 8th bit. */
+ g_string_append_c(ctx->lines[j], ' ');
+ }
+ }
+ if (ctx->spl_cnt == ctx->samples_per_line)
+ /* Line buffers were already flushed. */
+ ctx->spl_cnt = 0;
+ }
+ break;
+ case SR_DF_END:
+ if (ctx->spl_cnt) {
+ /* Line buffers need flushing. */
+ *out = g_string_sized_new(512);
+ for (i = 0; i < ctx->num_enabled_channels; i++) {
+ g_string_append_len(*out, ctx->lines[i]->str, ctx->lines[i]->len);
+ g_string_append_c(*out, '\n');
+ }
+ }
+ break;
+ }
+
+ return SR_OK;
+}
+
+static int cleanup(struct sr_output *o)
+{
+ struct context *ctx;
+ unsigned int i;
+
+ if (!o)
+ return SR_ERR_ARG;
+
+ if (!(ctx = o->internal))
+ return SR_OK;
+
+ g_free(ctx->header);
+ g_free(ctx->channel_index);
+ g_free(ctx->channel_names);
+ for (i = 0; i < ctx->num_enabled_channels; i++)
+ g_string_free(ctx->lines[i], TRUE);
+ g_free(ctx->lines);
+ if (ctx->header)
+ g_string_free(ctx->header, TRUE);
+ g_free(ctx);
+ o->internal = NULL;
+
+ return SR_OK;
+}
+
+SR_PRIV struct sr_output_format output_bits = {
+ .id = "bits",
+ .description = "Bits",
+ .init = init,
+ .receive = receive,
+ .cleanup = cleanup,
+};
+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
- * Copyright (C) 2011 Håvard Espeland <gus@ping.uio.no>
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <glib.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-#include "text.h"
-
-#define LOG_PREFIX "output/bits"
-
-SR_PRIV int init_bits(struct sr_output *o)
-{
- return init(o, DEFAULT_BPL_BITS, MODE_BITS);
-}
-
-SR_PRIV int data_bits(struct sr_output *o, const uint8_t *data_in,
- uint64_t length_in, uint8_t **data_out,
- uint64_t *length_out)
-{
- struct context *ctx;
- unsigned int outsize, offset, p;
- int max_linelen;
- const uint8_t *sample;
- uint8_t *outbuf, c;
-
- ctx = o->internal;
- max_linelen = SR_MAX_CHANNELNAME_LEN + 3 + ctx->samples_per_line
- + ctx->samples_per_line / 8;
- /*
- * Calculate space needed for channels. Set aside 512 bytes for
- * extra output, e.g. trigger.
- */
- outsize = 512 + (1 + (length_in / ctx->unitsize) / ctx->samples_per_line)
- * (ctx->num_enabled_channels * max_linelen);
-
- if (!(outbuf = g_try_malloc0(outsize + 1))) {
- sr_err("%s: outbuf malloc failed", __func__);
- return SR_ERR_MALLOC;
- }
-
- outbuf[0] = '\0';
- if (ctx->header) {
- /* The header is still here, this must be the first packet. */
- strncpy((char *)outbuf, ctx->header, outsize);
- g_free(ctx->header);
- ctx->header = NULL;
- }
-
- if (length_in >= ctx->unitsize) {
- for (offset = 0; offset <= length_in - ctx->unitsize;
- offset += ctx->unitsize) {
- sample = data_in + offset;
- for (p = 0; p < ctx->num_enabled_channels; p++) {
- c = (sample[p / 8] & ((uint8_t) 1 << (p % 8))) ? '1' : '0';
- ctx->linebuf[p * ctx->linebuf_len +
- ctx->line_offset] = c;
- }
- ctx->line_offset++;
- ctx->spl_cnt++;
-
- /* Add a space every 8th bit. */
- if ((ctx->spl_cnt & 7) == 0) {
- for (p = 0; p < ctx->num_enabled_channels; p++)
- ctx->linebuf[p * ctx->linebuf_len +
- ctx->line_offset] = ' ';
- ctx->line_offset++;
- }
-
- /* End of line. */
- if (ctx->spl_cnt >= ctx->samples_per_line) {
- flush_linebufs(ctx, outbuf);
- ctx->line_offset = ctx->spl_cnt = 0;
- ctx->mark_trigger = -1;
- }
- }
- } else {
- sr_info("Short buffer (length_in=%" PRIu64 ").", length_in);
- }
-
- *data_out = outbuf;
- *length_out = strlen((const char *)outbuf);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_output_format output_text_bits = {
- .id = "bits",
- .description = "Bits",
- .df_type = SR_DF_LOGIC,
- .init = init_bits,
- .data = data_bits,
- .event = event,
- .cleanup = text_cleanup,
-};
projects / libsigrok.git / commitdiff