+++ /dev/null
-/*
- * This file is part of the sigrok project.
- *
- * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
- * Copyright (C) 2011 Håvard Espeland <gus@ping.uio.no>
- * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.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 <stdio.h>
-#include <string.h>
-#include <glib.h>
-#include "sigrok.h"
-
-#define DEFAULT_BPL_BITS 64
-#define DEFAULT_BPL_HEX 192
-#define DEFAULT_BPL_ASCII 74
-
-enum outputmode {
- MODE_BITS = 1,
- MODE_HEX,
- MODE_ASCII,
-};
-
-struct context {
- unsigned int num_enabled_probes;
- int samples_per_line;
- unsigned int unitsize;
- int line_offset;
- int linebuf_len;
- char *probelist[SR_MAX_NUM_PROBES + 1];
- char *linebuf;
- int spl_cnt;
- uint8_t *linevalues;
- char *header;
- int mark_trigger;
-// struct sr_analog_sample *prevsample;
- enum outputmode mode;
-};
-
-static void flush_linebufs(struct context *ctx, char *outbuf)
-{
- static int max_probename_len = 0;
- int len, i;
-
- if (ctx->linebuf[0] == 0)
- return;
-
- if (max_probename_len == 0) {
- /* First time through... */
- for (i = 0; ctx->probelist[i]; i++) {
- len = strlen(ctx->probelist[i]);
- if (len > max_probename_len)
- max_probename_len = len;
- }
- }
-
- for (i = 0; ctx->probelist[i]; i++) {
- sprintf(outbuf + strlen(outbuf), "%*s:%s\n", max_probename_len,
- ctx->probelist[i], ctx->linebuf + i * ctx->linebuf_len);
- }
-
- /* Mark trigger with a ^ character. */
- if (ctx->mark_trigger != -1)
- {
- int space_offset = ctx->mark_trigger / 8;
-
- if (ctx->mode == MODE_ASCII)
- space_offset = 0;
-
- sprintf(outbuf + strlen(outbuf), "T:%*s^\n",
- ctx->mark_trigger + space_offset, "");
- }
-
- memset(ctx->linebuf, 0, i * ctx->linebuf_len);
-}
-
-static int init(struct sr_output *o, int default_spl, enum outputmode mode)
-{
- struct context *ctx;
- struct sr_probe *probe;
- GSList *l;
- uint64_t samplerate;
- int num_probes;
- char *samplerate_s;
-
- if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
- sr_err("analog out: %s: ctx malloc failed", __func__);
- return SR_ERR_MALLOC;
- }
-
- o->internal = ctx;
- ctx->num_enabled_probes = 0;
-
- for (l = o->dev->probes; l; l = l->next) {
- probe = l->data;
- if (!probe->enabled)
- continue;
- ctx->probelist[ctx->num_enabled_probes++] = probe->name;
- }
-
- ctx->probelist[ctx->num_enabled_probes] = 0;
- ctx->unitsize = sizeof(struct sr_analog_sample) +
- (ctx->num_enabled_probes * sizeof(struct sr_analog_probe));
- ctx->line_offset = 0;
- ctx->spl_cnt = 0;
- ctx->mark_trigger = -1;
- ctx->mode = mode;
-
- if (o->param && o->param[0]) {
- ctx->samples_per_line = strtoul(o->param, NULL, 10);
- if (ctx->samples_per_line < 1)
- return SR_ERR;
- } else
- ctx->samples_per_line = default_spl;
-
- if (!(ctx->header = g_try_malloc(512))) {
- g_free(ctx);
- sr_err("analog out: %s: ctx->header malloc failed", __func__);
- return SR_ERR_MALLOC;
- }
-
- snprintf(ctx->header, 511, "%s\n", PACKAGE_STRING);
- num_probes = g_slist_length(o->dev->probes);
- if (o->dev->driver && sr_dev_has_hwcap(o->dev, SR_HWCAP_SAMPLERATE)) {
- samplerate = *((uint64_t *) o->dev->driver->dev_info_get(
- o->dev->driver_index, SR_DI_CUR_SAMPLERATE));
- if (!(samplerate_s = sr_samplerate_string(samplerate))) {
- g_free(ctx->header);
- g_free(ctx);
- return SR_ERR;
- }
- snprintf(ctx->header + strlen(ctx->header),
- 511 - strlen(ctx->header),
- "Acquisition with %d/%d probes at %s\n",
- ctx->num_enabled_probes, num_probes, samplerate_s);
- g_free(samplerate_s);
- }
-
- ctx->linebuf_len = ctx->samples_per_line * 2 + 4;
- if (!(ctx->linebuf = g_try_malloc0(num_probes * ctx->linebuf_len))) {
- g_free(ctx->header);
- g_free(ctx);
- sr_err("analog out: %s: ctx->linebuf malloc failed", __func__);
- return SR_ERR_MALLOC;
- }
- if (!(ctx->linevalues = g_try_malloc0(num_probes))) {
- g_free(ctx->header);
- g_free(ctx);
- sr_err("analog out: %s: ctx->linevalues malloc failed",
- __func__);
- return SR_ERR_MALLOC;
- }
-
- return SR_OK;
-}
-
-static int event(struct sr_output *o, int event_type, char **data_out,
- uint64_t *length_out)
-{
- struct context *ctx;
- int outsize;
- char *outbuf;
-
- ctx = o->internal;
- switch (event_type) {
- case SR_DF_TRIGGER:
- ctx->mark_trigger = ctx->spl_cnt;
- *data_out = NULL;
- *length_out = 0;
- break;
- case SR_DF_END:
- outsize = ctx->num_enabled_probes
- * (ctx->samples_per_line + 20) + 512;
- if (!(outbuf = g_try_malloc0(outsize))) {
- sr_err("analog out: %s: outbuf malloc failed",
- __func__);
- return SR_ERR_MALLOC;
- }
- flush_linebufs(ctx, outbuf);
- *data_out = outbuf;
- *length_out = strlen(outbuf);
- g_free(o->internal);
- o->internal = NULL;
- break;
- default:
- *data_out = NULL;
- *length_out = 0;
- break;
- }
-
- return SR_OK;
-}
-
-static int init_bits(struct sr_output *o)
-{
- return init(o, DEFAULT_BPL_BITS, MODE_BITS);
-}
-
-static int data_bits(struct sr_output *o, const char *data_in,
- uint64_t length_in, char **data_out, uint64_t *length_out)
-{
- struct context *ctx;
- unsigned int outsize, offset, p;
- int max_linelen;
- struct sr_analog_sample *sample;
- char *outbuf, c;
-
- ctx = o->internal;
- max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line
- + ctx->samples_per_line / 8;
- /*
- * Calculate space needed for probes. Set aside 512 bytes for
- * extra output, e.g. trigger.
- */
- outsize = 512 + (1 + (length_in / ctx->unitsize) / ctx->samples_per_line)
- * (ctx->num_enabled_probes * max_linelen);
-
- if (!(outbuf = g_try_malloc0(outsize + 1))) {
- sr_err("analog out: %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(outbuf, ctx->header, outsize);
- g_free(ctx->header);
- ctx->header = NULL;
-
- /* Ensure first transition. */
-// memcpy(&ctx->prevsample, data_in, ctx->unitsize);
-// ctx->prevsample = ~ctx->prevsample;
- }
-
- if (length_in >= ctx->unitsize) {
- for (offset = 0; offset <= length_in - ctx->unitsize;
- offset += ctx->unitsize) {
- sample = (struct sr_analog_sample *) (data_in + offset);
- for (p = 0; p < ctx->num_enabled_probes; p++) {
- int val = sample->probes[p].val;
- int res = sample->probes[p].res;
- if (res == 1)
- c = '0' + (val & ((1 << res) - 1));
- else
- /*
- * Scale analog resolution down so it
- * fits 25 letters
- */
- c = 'A' + (((val & ((1 << res) - 1)) /
- (res * res)) / 10);
- 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_probes; 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("analog out: short buffer (length_in=%" PRIu64 ")",
- length_in);
- }
-
- *data_out = outbuf;
- *length_out = strlen(outbuf);
-
- return SR_OK;
-}
-#if 0
-static int init_hex(struct sr_output *o)
-{
- return init(o, DEFAULT_BPL_HEX, MODE_HEX);
-}
-
-static int data_hex(struct sr_output *o, const char *data_in,
- uint64_t length_in, char **data_out, uint64_t *length_out)
-{
- struct context *ctx;
- unsigned int outsize, offset, p;
- int max_linelen;
- uint64_t sample;
- char *outbuf;
-
- ctx = o->internal;
- max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line
- + ctx->samples_per_line / 2;
- outsize = length_in / ctx->unitsize * ctx->num_enabled_probes
- / ctx->samples_per_line * max_linelen + 512;
-
- if (!(outbuf = g_try_malloc0(outsize + 1))) {
- sr_err("analog out: %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(outbuf, ctx->header, outsize);
- g_free(ctx->header);
- ctx->header = NULL;
- }
-
- ctx->line_offset = 0;
- for (offset = 0; offset <= length_in - ctx->unitsize;
- offset += ctx->unitsize) {
- memcpy(&sample, data_in + offset, ctx->unitsize);
- for (p = 0; p < ctx->num_enabled_probes; p++) {
- ctx->linevalues[p] <<= 1;
- if (sample & ((uint64_t) 1 << p))
- ctx->linevalues[p] |= 1;
- sprintf(ctx->linebuf + (p * ctx->linebuf_len) +
- ctx->line_offset, "%.2x", ctx->linevalues[p]);
- }
- ctx->spl_cnt++;
-
- /* Add a space after every complete hex byte. */
- if ((ctx->spl_cnt & 7) == 0) {
- for (p = 0; p < ctx->num_enabled_probes; p++)
- ctx->linebuf[p * ctx->linebuf_len +
- ctx->line_offset + 2] = ' ';
- ctx->line_offset += 3;
- }
-
- /* End of line. */
- if (ctx->spl_cnt >= ctx->samples_per_line) {
- flush_linebufs(ctx, outbuf);
- ctx->line_offset = ctx->spl_cnt = 0;
- }
- }
-
- *data_out = outbuf;
- *length_out = strlen(outbuf);
-
- return SR_OK;
-}
-
-static int init_ascii(struct sr_output *o)
-{
- return init(o, DEFAULT_BPL_ASCII, MODE_ASCII);
-}
-
-static int data_ascii(struct sr_output *o, const char *data_in,
- uint64_t length_in, char **data_out, uint64_t *length_out)
-{
- struct context *ctx;
- unsigned int outsize, offset, p;
- int max_linelen;
- uint64_t sample;
- char *outbuf;
-
- ctx = o->internal;
- max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line
- + ctx->samples_per_line / 8;
- /*
- * Calculate space needed for probes. Set aside 512 bytes for
- * extra output, e.g. trigger.
- */
- outsize = 512 + (1 + (length_in / ctx->unitsize) / ctx->samples_per_line)
- * (ctx->num_enabled_probes * max_linelen);
-
- if (!(outbuf = g_try_malloc0(outsize + 1))) {
- sr_err("analog out: %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(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) {
- memcpy(&sample, data_in + offset, ctx->unitsize);
-
- char tmpval[ctx->num_enabled_probes];
-
- for (p = 0; p < ctx->num_enabled_probes; p++) {
- uint64_t curbit = (sample & ((uint64_t) 1 << p));
- uint64_t prevbit = (ctx->prevsample &
- ((uint64_t) 1 << p));
-
- if (curbit < prevbit && ctx->line_offset > 0) {
- ctx->linebuf[p * ctx->linebuf_len +
- ctx->line_offset-1] = '\\';
- }
-
- if (curbit > prevbit) {
- tmpval[p] = '/';
- } else {
- if (curbit)
- tmpval[p] = '"';
- else
- tmpval[p] = '.';
- }
- }
-
- /* 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;
- }
-
- for (p = 0; p < ctx->num_enabled_probes; p++) {
- ctx->linebuf[p * ctx->linebuf_len +
- ctx->line_offset] = tmpval[p];
- }
-
- ctx->line_offset++;
- ctx->spl_cnt++;
-
- ctx->prevsample = sample;
- }
- } else {
- sr_info("analog out: short buffer (length_in=%" PRIu64 ")",
- length_in);
- }
-
- *data_out = outbuf;
- *length_out = strlen(outbuf);
-
- return SR_OK;
-}
-#endif
-
-SR_PRIV struct sr_output_format output_analog_bits = {
- .id = "analog_bits",
- .description = "Bits (takes argument, default 64)",
- .df_type = SR_DF_ANALOG,
- .init = init_bits,
- .data = data_bits,
- .event = event,
-};
-
-#if 0
-struct sr_output_format output_analog_hex = {
- .id = "analog_hex",
- .description = "Hexadecimal (takes argument, default 192)",
- .df_type = SR_DF_ANALOG,
- .init = init_hex,
- .data = data_hex,
- .event = event,
-};
-
-struct sr_output_format output_analog_ascii = {
- .id = "analog_ascii",
- .description = "ASCII (takes argument, default 74)",
- .df_type = SR_DF_ANALOG,
- .init = init_ascii,
- .data = data_ascii,
- .event = event,
-};
-#endif
projects / libsigrok.git / blobdiff