2 * This file is part of the sigrok project.
4 * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2011 HÃ¥vard Espeland <gus@ping.uio.no>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "config.h" /* Needed for PACKAGE_STRING and others. */
26 #include "libsigrok.h"
27 #include "libsigrok-internal.h"
30 /* Message logging helpers with driver-specific prefix string. */
31 #define DRIVER_LOG_DOMAIN "output/text: "
32 #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
33 #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
34 #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
35 #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
36 #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
37 #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
39 SR_PRIV void flush_linebufs(struct context *ctx, uint8_t *outbuf)
41 static int max_probename_len = 0;
44 if (ctx->linebuf[0] == 0)
47 if (max_probename_len == 0) {
48 /* First time through... */
49 for (i = 0; ctx->probelist[i]; i++) {
50 len = strlen(ctx->probelist[i]);
51 if (len > max_probename_len)
52 max_probename_len = len;
56 for (i = 0; ctx->probelist[i]; i++) {
57 sprintf((char *)outbuf + strlen((const char *)outbuf),
58 "%*s:%s\n", max_probename_len,
59 ctx->probelist[i], ctx->linebuf + i * ctx->linebuf_len);
62 /* Mark trigger with a ^ character. */
63 if (ctx->mark_trigger != -1)
65 int space_offset = ctx->mark_trigger / 8;
67 if (ctx->mode == MODE_ASCII)
70 sprintf((char *)outbuf + strlen((const char *)outbuf),
71 "T:%*s^\n", ctx->mark_trigger + space_offset, "");
74 memset(ctx->linebuf, 0, i * ctx->linebuf_len);
77 SR_PRIV int init(struct sr_output *o, int default_spl, enum outputmode mode)
80 struct sr_probe *probe;
86 if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
87 sr_err("%s: ctx malloc failed", __func__);
92 ctx->num_enabled_probes = 0;
94 for (l = o->sdi->probes; l; l = l->next) {
98 ctx->probelist[ctx->num_enabled_probes++] = probe->name;
101 ctx->probelist[ctx->num_enabled_probes] = 0;
102 ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
103 ctx->line_offset = 0;
105 ctx->mark_trigger = -1;
109 if (o->param && o->param[0]) {
110 ctx->samples_per_line = strtoul(o->param, NULL, 10);
111 if (ctx->samples_per_line < 1) {
116 ctx->samples_per_line = default_spl;
118 if (!(ctx->header = g_try_malloc0(512))) {
119 sr_err("%s: ctx->header malloc failed", __func__);
124 snprintf(ctx->header, 511, "%s\n", PACKAGE_STRING);
125 num_probes = g_slist_length(o->sdi->probes);
126 if (o->sdi->driver || sr_dev_has_hwcap(o->sdi, SR_HWCAP_SAMPLERATE)) {
127 ret = o->sdi->driver->info_get(SR_DI_CUR_SAMPLERATE,
128 (const void **)&samplerate, o->sdi);
131 if (!(samplerate_s = sr_samplerate_string(*samplerate))) {
135 snprintf(ctx->header + strlen(ctx->header),
136 511 - strlen(ctx->header),
137 "Acquisition with %d/%d probes at %s\n",
138 ctx->num_enabled_probes, num_probes, samplerate_s);
139 g_free(samplerate_s);
142 ctx->linebuf_len = ctx->samples_per_line * 2 + 4;
143 if (!(ctx->linebuf = g_try_malloc0(num_probes * ctx->linebuf_len))) {
144 sr_err("%s: ctx->linebuf malloc failed", __func__);
149 if (!(ctx->linevalues = g_try_malloc0(num_probes))) {
150 sr_err("%s: ctx->linevalues malloc failed", __func__);
163 SR_PRIV int event(struct sr_output *o, int event_type, uint8_t **data_out,
164 uint64_t *length_out)
171 switch (event_type) {
173 ctx->mark_trigger = ctx->spl_cnt;
178 outsize = ctx->num_enabled_probes
179 * (ctx->samples_per_line + 20) + 512;
180 if (!(outbuf = g_try_malloc0(outsize))) {
181 sr_err("%s: outbuf malloc failed", __func__);
182 return SR_ERR_MALLOC;
184 flush_linebufs(ctx, outbuf);
186 *length_out = strlen((const char *)outbuf);