[libsigrok.git] / output / output_text.c

/*
 * This file is part of the sigrok project.
 *
 * Copyright (C) 2010 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 <stdio.h>
#include <string.h>
#include <glib.h>
#include <sigrok.h>

#define DEFAULT_BPL_BITS 64
#define DEFAULT_BPL_HEX  256

struct context {
	unsigned int num_enabled_probes;
	int samples_per_line;
	unsigned int unitsize;
	int line_offset;
	int linebuf_len;
	char *probelist[65];
	char *linebuf;
	int spl_cnt;
	uint8_t *linevalues;
	char *header;
};


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);
	}
	memset(ctx->linebuf, 0, i * ctx->linebuf_len);

}


static int init(struct output *o, int default_spl)
{
	struct context *ctx;
	struct probe *probe;
	GSList *l;
	uint64_t samplerate;
	int num_probes;
	char *samplerate_s;

	ctx = malloc(sizeof(struct context));
	o->internal = ctx;
	ctx->num_enabled_probes = 0;
	for(l = o->device->probes; l; l = l->next) {
		probe = l->data;
		if(probe->enabled)
			ctx->probelist[ctx->num_enabled_probes++] = probe->name;
	}
	ctx->probelist[ctx->num_enabled_probes] = 0;
	ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
	ctx->line_offset = 0;
	ctx->spl_cnt = 0;
	if(o->param && o->param[0])
		ctx->samples_per_line = strtoul(o->param, NULL, 10);
	else
		ctx->samples_per_line = default_spl;

	ctx->header = malloc(512);
	num_probes = g_slist_length(o->device->probes);
	samplerate = *((uint64_t *) o->device->plugin->get_device_info(o->device->plugin_index, DI_CUR_SAMPLERATE));
	snprintf(ctx->header, 512, "Acquisition with %d/%d probes at ", ctx->num_enabled_probes, num_probes);

	if ((samplerate_s = sigrok_samplerate_string(samplerate)) == NULL)
		return -1; // FIXME
	snprintf(ctx->header + strlen(ctx->header), 512, "%s\n", samplerate_s);
	free(samplerate_s);

	ctx->linebuf_len = ctx->samples_per_line * 2;
	ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len);
	ctx->linevalues = calloc(1, num_probes);

	return 0;
}


static int event(struct 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 DF_TRIGGER:
		break;
	case DF_END:
		outsize = ctx->num_enabled_probes * (ctx->samples_per_line + 20) + 512;
		outbuf = calloc(1, outsize);
		flush_linebufs(ctx, outbuf);
		*data_out = outbuf;
		*length_out = strlen(outbuf);
		free(o->internal);
		o->internal = NULL;
		break;
	}

	return SIGROK_OK;
}


static int init_bits(struct output *o)
{

	return init(o, DEFAULT_BPL_BITS);

}


static int data_bits(struct output *o, char *data_in, uint64_t length_in, char **data_out, uint64_t *length_out)
{
	struct context *ctx;
	unsigned int outsize, offset, p;
	uint64_t sample;
	char *outbuf;

	ctx = o->internal;
	outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * ctx->samples_per_line + 512;
	outbuf = calloc(1, outsize+1);
	if(ctx->header) {
		/* the header is still in here, we must be on the first data packet */
		strncpy(outbuf, ctx->header, outsize);
		free(ctx->header);
		ctx->header = NULL;
	}
	else
		outbuf[0] = 0;

	if(length_in >= ctx->unitsize) {
		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++) {
				if(sample & ((uint64_t) 1 << p))
					ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = '1';
				else
					ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = '0';
			}
			ctx->line_offset++;
			ctx->spl_cnt++;

			/* 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;
			}
		}
	} else
		g_message("short buffer (length_in=%"PRIu64")", length_in);

	*data_out = outbuf;
	*length_out = strlen(outbuf);

	return SIGROK_OK;
}


static int init_hex(struct output *o)
{

	return init(o, DEFAULT_BPL_BITS);

}


static int data_hex(struct output *o, char *data_in, uint64_t length_in, char **data_out, uint64_t *length_out)
{
	struct context *ctx;
	unsigned int outsize, offset, p;
	uint64_t sample;
	char *outbuf;

	ctx = o->internal;
	outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * ctx->samples_per_line + 512;
	outbuf = calloc(1, outsize+1);
	if(ctx->header) {
		/* the header is still in here, we must be on the first data packet */
		strncpy(outbuf, ctx->header, outsize);
		free(ctx->header);
		ctx->header = NULL;
	}
	else
		outbuf[0] = 0;

	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++;

		/* 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 SIGROK_OK;
}


struct output_format output_text_bits = {
	"bits",
	"Text (bits)",
	init_bits,
	data_bits,
	event
};


struct output_format output_text_hex = {
	"hex",
	"Text (hexadecimal)",
	init_hex,
	data_hex,
	event
};
Commit	Line	Data
a1bb33af UH	1	/*
	2	* This file is part of the sigrok project.
	3	*
	4	* Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include <stdlib.h>
	21	#include <stdio.h>
	22	#include <string.h>
	23	#include <glib.h>
25e7d9b1	24	#include <sigrok.h>
a1bb33af	25
02076d69 UH	26	#define DEFAULT_BPL_BITS 64
02076d69 UH	27	#define DEFAULT_BPL_HEX 256
a1bb33af UH	28
a1bb33af UH	29	struct context {
afc8e4de	30	unsigned int num_enabled_probes;
a1bb33af	31	int samples_per_line;
afc8e4de	32	unsigned int unitsize;
a1bb33af UH	33	int line_offset;
	34	int linebuf_len;
	35	char *probelist[65];
	36	char *linebuf;
	37	int spl_cnt;
	38	uint8_t *linevalues;
	39	char *header;
	40	};
	41
	42
afc8e4de	43	static void flush_linebufs(struct context ctx, char outbuf)
a1bb33af UH	44	{
	45	static int max_probename_len = 0;
	46	int len, i;
	47
	48	if(ctx->linebuf[0] == 0)
	49	return;
	50
	51	if(max_probename_len == 0) {
	52	/* first time through */
	53	for(i = 0; ctx->probelist[i]; i++) {
	54	len = strlen(ctx->probelist[i]);
	55	if(len > max_probename_len)
	56	max_probename_len = len;
	57	}
	58	}
	59
	60	for(i = 0; ctx->probelist[i]; i++) {
	61	sprintf(outbuf + strlen(outbuf), "%*s:%s\n", max_probename_len, ctx->probelist[i],
	62	ctx->linebuf + i * ctx->linebuf_len);
	63	}
	64	memset(ctx->linebuf, 0, i * ctx->linebuf_len);
	65
	66	}
	67
	68
5a8fda15	69	static int init(struct output *o, int default_spl)
a1bb33af UH	70	{
	71	struct context *ctx;
	72	struct probe *probe;
	73	GSList *l;
	74	uint64_t samplerate;
	75	int num_probes;
25e7d9b1	76	char *samplerate_s;
a1bb33af UH	77
	78	ctx = malloc(sizeof(struct context));
	79	o->internal = ctx;
	80	ctx->num_enabled_probes = 0;
	81	for(l = o->device->probes; l; l = l->next) {
	82	probe = l->data;
	83	if(probe->enabled)
	84	ctx->probelist[ctx->num_enabled_probes++] = probe->name;
	85	}
	86	ctx->probelist[ctx->num_enabled_probes] = 0;
	87	ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
	88	ctx->line_offset = 0;
	89	ctx->spl_cnt = 0;
	90	if(o->param && o->param[0])
	91	ctx->samples_per_line = strtoul(o->param, NULL, 10);
	92	else
	93	ctx->samples_per_line = default_spl;
	94
	95	ctx->header = malloc(512);
	96	num_probes = g_slist_length(o->device->probes);
4c100f32	97	samplerate = ((uint64_t ) o->device->plugin->get_device_info(o->device->plugin_index, DI_CUR_SAMPLERATE));
a1bb33af	98	snprintf(ctx->header, 512, "Acquisition with %d/%d probes at ", ctx->num_enabled_probes, num_probes);
25e7d9b1 UH	99
	100	if ((samplerate_s = sigrok_samplerate_string(samplerate)) == NULL)
	101	return -1; // FIXME
	102	snprintf(ctx->header + strlen(ctx->header), 512, "%s\n", samplerate_s);
	103	free(samplerate_s);
a1bb33af UH	104
	105	ctx->linebuf_len = ctx->samples_per_line * 2;
	106	ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len);
	107	ctx->linevalues = calloc(1, num_probes);
	108
5a8fda15	109	return 0;
a1bb33af UH	110	}
	111
	112
	113	static int event(struct output o, int event_type, char data_out, uint64_t length_out)
	114	{
	115	struct context *ctx;
	116	int outsize;
	117	char *outbuf;
	118
	119	ctx = o->internal;
	120	switch(event_type) {
	121	case DF_TRIGGER:
	122	break;
	123	case DF_END:
	124	outsize = ctx->num_enabled_probes * (ctx->samples_per_line + 20) + 512;
	125	outbuf = calloc(1, outsize);
afc8e4de	126	flush_linebufs(ctx, outbuf);
a1bb33af UH	127	*data_out = outbuf;
	128	*length_out = strlen(outbuf);
	129	free(o->internal);
	130	o->internal = NULL;
	131	break;
	132	}
	133
	134	return SIGROK_OK;
	135	}
	136
	137
02076d69	138	static int init_bits(struct output *o)
a1bb33af UH	139	{
a1bb33af UH	140
02076d69	141	return init(o, DEFAULT_BPL_BITS);
a1bb33af UH	142
	143	}
	144
	145
02076d69	146	static int data_bits(struct output o, char data_in, uint64_t length_in, char *data_out, uint64_t length_out)
a1bb33af UH	147	{
a1bb33af UH	148	struct context *ctx;
afc8e4de	149	unsigned int outsize, offset, p;
a1bb33af UH	150	uint64_t sample;
	151	char *outbuf;
	152
	153	ctx = o->internal;
37aea2d3	154	outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * ctx->samples_per_line + 512;
a1bb33af UH	155	outbuf = calloc(1, outsize+1);
	156	if(ctx->header) {
	157	/* the header is still in here, we must be on the first data packet */
	158	strncpy(outbuf, ctx->header, outsize);
	159	free(ctx->header);
	160	ctx->header = NULL;
	161	}
	162	else
	163	outbuf[0] = 0;
	164
d2cd86ac	165	if(length_in >= ctx->unitsize) {
a1bb33af UH	166	for(offset = 0; offset <= length_in - ctx->unitsize; offset += ctx->unitsize) {
	167	memcpy(&sample, data_in + offset, ctx->unitsize);
	168	for(p = 0; p < ctx->num_enabled_probes; p++) {
	169	if(sample & ((uint64_t) 1 << p))
	170	ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = '1';
	171	else
	172	ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = '0';
	173	}
	174	ctx->line_offset++;
	175	ctx->spl_cnt++;
	176
	177	/* space every 8th bit */
	178	if((ctx->spl_cnt & 7) == 0) {
	179	for(p = 0; p < ctx->num_enabled_probes; p++)
	180	ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = ' ';
	181	ctx->line_offset++;
	182	}
	183
	184	/* end of line */
	185	if(ctx->spl_cnt >= ctx->samples_per_line) {
afc8e4de	186	flush_linebufs(ctx, outbuf);
a1bb33af UH	187	ctx->line_offset = ctx->spl_cnt = 0;
	188	}
	189	}
	190	} else
	191	g_message("short buffer (length_in=%"PRIu64")", length_in);
	192
	193	*data_out = outbuf;
	194	*length_out = strlen(outbuf);
	195
	196	return SIGROK_OK;
	197	}
	198
	199
5a8fda15	200	static int init_hex(struct output *o)
a1bb33af UH	201	{
a1bb33af UH	202
02076d69	203	return init(o, DEFAULT_BPL_BITS);
a1bb33af UH	204
	205	}
	206
	207
	208	static int data_hex(struct output o, char data_in, uint64_t length_in, char *data_out, uint64_t length_out)
	209	{
	210	struct context *ctx;
afc8e4de	211	unsigned int outsize, offset, p;
a1bb33af UH	212	uint64_t sample;
	213	char *outbuf;
	214
	215	ctx = o->internal;
37aea2d3	216	outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * ctx->samples_per_line + 512;
a1bb33af UH	217	outbuf = calloc(1, outsize+1);
	218	if(ctx->header) {
	219	/* the header is still in here, we must be on the first data packet */
	220	strncpy(outbuf, ctx->header, outsize);
	221	free(ctx->header);
	222	ctx->header = NULL;
	223	}
	224	else
	225	outbuf[0] = 0;
	226
	227	ctx->line_offset = 0;
	228	for(offset = 0; offset <= length_in - ctx->unitsize; offset += ctx->unitsize) {
	229	memcpy(&sample, data_in + offset, ctx->unitsize);
	230	for(p = 0; p < ctx->num_enabled_probes; p++) {
	231	ctx->linevalues[p] <<= 1;
	232	if(sample & ((uint64_t) 1 << p))
	233	ctx->linevalues[p] \|= 1;
	234	sprintf(ctx->linebuf + (p * ctx->linebuf_len) + ctx->line_offset, "%.2x", ctx->linevalues[p]);
	235	}
	236	ctx->spl_cnt++;
	237
	238	/* space after every complete hex byte */
	239	if((ctx->spl_cnt & 7) == 0) {
	240	for(p = 0; p < ctx->num_enabled_probes; p++)
	241	ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset + 2] = ' ';
	242	ctx->line_offset += 3;
	243	}
	244
	245	/* end of line */
	246	if(ctx->spl_cnt >= ctx->samples_per_line) {
afc8e4de	247	flush_linebufs(ctx, outbuf);
a1bb33af UH	248	ctx->line_offset = ctx->spl_cnt = 0;
	249	}
	250	}
	251
	252	*data_out = outbuf;
	253	*length_out = strlen(outbuf);
	254
	255	return SIGROK_OK;
	256	}
	257
	258
	259
02076d69	260	struct output_format output_text_bits = {
1c5b9d30 UH	261	"bits",
1c5b9d30 UH	262	"Text (bits)",
02076d69 UH	263	init_bits,
02076d69 UH	264	data_bits,
a1bb33af UH	265	event
	266	};
	267
	268
	269	struct output_format output_text_hex = {
	270	"hex",
	271	"Text (hexadecimal)",
	272	init_hex,
	273	data_hex,
	274	event
	275	};
	276