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signal: renamed signal node-type to signal_generator to avoid confusion

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This commit is contained in:
Steffen Vogel 2018-03-21 16:56:23 +01:00
parent 1199c7334a
commit 46cbb689fc
4 changed files with 73 additions and 75 deletions
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38
include/villas/nodes/signal.h → include/villas/nodes/signal_generator.h
View file

@ -23,7 +23,7 @@
/**
* @ingroup node
* @addtogroup signal Signal generation node-type-
* @addtogroup signal_generator Signal generation node-type-
* @{
*/
@ -36,25 +36,25 @@
struct node;
struct sample;
enum signal_type {
SIGNAL_TYPE_RANDOM,
SIGNAL_TYPE_SINE,
SIGNAL_TYPE_SQUARE,
SIGNAL_TYPE_TRIANGLE,
SIGNAL_TYPE_RAMP,
SIGNAL_TYPE_COUNTER,
SIGNAL_TYPE_CONSTANT,
SIGNAL_TYPE_MIXED
enum signal_generator_type {
SIGNAL_GENERATOR_TYPE_RANDOM,
SIGNAL_GENERATOR_TYPE_SINE,
SIGNAL_GENERATOR_TYPE_SQUARE,
SIGNAL_GENERATOR_TYPE_TRIANGLE,
SIGNAL_GENERATOR_TYPE_RAMP,
SIGNAL_GENERATOR_TYPE_COUNTER,
SIGNAL_GENERATOR_TYPE_CONSTANT,
SIGNAL_GENERATOR_TYPE_MIXED
};
/** Node-type for signal generation.
* @see node_type
*/
struct signal {
struct signal_generator {
struct task task; /**< Timer for periodic events. */
int rt; /**< Real-time mode? */
enum signal_type type; /**< Signal type */
enum signal_generator_type type; /**< Signal type */
double rate; /**< Sampling rate. */
double frequency; /**< Frequency of the generated signals. */
@ -72,22 +72,20 @@ struct signal {
};
/** @see node_type::print */
char * signal_print(struct node *n);
char * signal_generator_print(struct node *n);
/** @see node_type::parse */
int signal_parse(struct node *n, json_t *cfg);
int signal_generator_parse(struct node *n, json_t *cfg);
/** @see node_type::open */
int signal_open(struct node *n);
int signal_generator_open(struct node *n);
/** @see node_type::close */
int signal_close(struct node *n);
int signal_generator_close(struct node *n);
/** @see node_type::read */
int signal_read(struct node *n, struct sample *smps[], unsigned cnt);
int signal_generator_read(struct node *n, struct sample *smps[], unsigned cnt);
enum signal_type signal_lookup_type(const char *type);
void signal_get(struct signal *s, struct sample *t, struct timespec *now);
enum signal_generator_type signal_generator_lookup_type(const char *type);
/** @} */

2
lib/nodes/Makefile.inc
View file

@ -53,7 +53,7 @@ endif
# Enable signal generator node-type
ifeq ($(WITH_NODE_SIGNAL),1)
LIB_NODES += signal
LIB_NODES += signal_generator
endif
# Enable RTT test node-tyoe

106
lib/nodes/signal.c → lib/nodes/signal_generator.c
View file

@ -26,33 +26,33 @@
#include <villas/node.h>
#include <villas/plugin.h>
#include <villas/nodes/signal.h>
#include <villas/nodes/signal_generator.h>
enum signal_type signal_lookup_type(const char *type)
enum signal_generator_type signal_generator_lookup_type(const char *type)
{
if (!strcmp(type, "random"))
return SIGNAL_TYPE_RANDOM;
return SIGNAL_GENERATOR_TYPE_RANDOM;
else if (!strcmp(type, "sine"))
return SIGNAL_TYPE_SINE;
return SIGNAL_GENERATOR_TYPE_SINE;
else if (!strcmp(type, "square"))
return SIGNAL_TYPE_SQUARE;
return SIGNAL_GENERATOR_TYPE_SQUARE;
else if (!strcmp(type, "triangle"))
return SIGNAL_TYPE_TRIANGLE;
return SIGNAL_GENERATOR_TYPE_TRIANGLE;
else if (!strcmp(type, "ramp"))
return SIGNAL_TYPE_RAMP;
return SIGNAL_GENERATOR_TYPE_RAMP;
else if (!strcmp(type, "counter"))
return SIGNAL_TYPE_COUNTER;
return SIGNAL_GENERATOR_TYPE_COUNTER;
else if (!strcmp(type, "constant"))
return SIGNAL_TYPE_CONSTANT;
return SIGNAL_GENERATOR_TYPE_CONSTANT;
else if (!strcmp(type, "mixed"))
return SIGNAL_TYPE_MIXED;
return SIGNAL_GENERATOR_TYPE_MIXED;
else
return -1;
}
int signal_parse(struct node *n, json_t *cfg)
int signal_generator_parse(struct node *n, json_t *cfg)
{
struct signal *s = (struct signal *) n->_vd;
struct signal_generator *s = (struct signal_generator *) n->_vd;
int ret;
const char *type = NULL;
@ -83,14 +83,14 @@ int signal_parse(struct node *n, json_t *cfg)
jerror(&err, "Failed to parse configuration of node %s", node_name(n));
if (type) {
ret = signal_lookup_type(type);
ret = signal_generator_lookup_type(type);
if (ret == -1)
error("Unknown signal type '%s' of node %s", type, node_name(n));
s->type = ret;
}
else
s->type = SIGNAL_TYPE_MIXED;
s->type = SIGNAL_GENERATOR_TYPE_MIXED;
/* We know the expected number of values. */
n->samplelen = s->values;
@ -98,18 +98,18 @@ int signal_parse(struct node *n, json_t *cfg)
return 0;
}
int signal_parse_cli(struct node *n, int argc, char *argv[])
int signal_generator_parse_cli(struct node *n, int argc, char *argv[])
{
char *type;
struct signal *s = (struct signal *) n->_vd;
struct signal_generator *s = (struct signal_generator *) n->_vd;
/* Default values */
s->rate = 10;
s->frequency = 1;
s->amplitude = 1;
s->stddev = 0.02;
s->type = SIGNAL_TYPE_MIXED;
s->type = SIGNAL_GENERATOR_TYPE_MIXED;
s->rt = 1;
s->values = 1;
s->limit = -1;
@ -158,7 +158,7 @@ check: if (optarg == endptr)
type = argv[optind];
int t = signal_lookup_type(type);
int t = signal_generator_lookup_type(type);
if (t == -1)
error("Invalid signal type: %s", type);
@ -170,10 +170,10 @@ check: if (optarg == endptr)
return 0;
}
int signal_open(struct node *n)
int signal_generator_open(struct node *n)
{
int ret;
struct signal *s = (struct signal *) n->_vd;
struct signal_generator *s = (struct signal_generator *) n->_vd;
s->counter = 0;
s->started = time_now();
@ -192,10 +192,10 @@ int signal_open(struct node *n)
return 0;
}
int signal_close(struct node *n)
int signal_generator_close(struct node *n)
{
int ret;
struct signal* s = (struct signal *) n->_vd;
struct signal_generator *s = (struct signal_generator *) n->_vd;
if (s->rt) {
ret = task_destroy(&s->task);
@ -208,9 +208,9 @@ int signal_close(struct node *n)
return 0;
}
int signal_read(struct node *n, struct sample *smps[], unsigned cnt)
int signal_generator_read(struct node *n, struct sample *smps[], unsigned cnt)
{
struct signal *s = (struct signal *) n->_vd;
struct signal_generator *s = (struct signal_generator *) n->_vd;
struct sample *t = smps[0];
struct timespec ts;
@ -243,15 +243,15 @@ int signal_read(struct node *n, struct sample *smps[], unsigned cnt)
t->length = n->samplelen;
for (int i = 0; i < MIN(s->values, t->capacity); i++) {
int rtype = (s->type != SIGNAL_TYPE_MIXED) ? s->type : i % 7;
int rtype = (s->type != SIGNAL_GENERATOR_TYPE_MIXED) ? s->type : i % 7;
switch (rtype) {
case SIGNAL_TYPE_CONSTANT: t->data[i].f = s->offset + s->amplitude; break;
case SIGNAL_TYPE_SINE: t->data[i].f = s->offset + s->amplitude * sin(running * s->frequency * 2 * M_PI); break;
case SIGNAL_TYPE_TRIANGLE: t->data[i].f = s->offset + s->amplitude * (fabs(fmod(running * s->frequency, 1) - .5) - 0.25) * 4; break;
case SIGNAL_TYPE_SQUARE: t->data[i].f = s->offset + s->amplitude * ( (fmod(running * s->frequency, 1) < .5) ? -1 : 1); break;
case SIGNAL_TYPE_RAMP: t->data[i].f = s->offset + s->amplitude * fmod(running, s->frequency); break;
case SIGNAL_TYPE_COUNTER: t->data[i].f = s->offset + s->amplitude * s->counter; break;
case SIGNAL_TYPE_RANDOM:
case SIGNAL_GENERATOR_TYPE_CONSTANT: t->data[i].f = s->offset + s->amplitude; break;
case SIGNAL_GENERATOR_TYPE_SINE: t->data[i].f = s->offset + s->amplitude * sin(running * s->frequency * 2 * M_PI); break;
case SIGNAL_GENERATOR_TYPE_TRIANGLE: t->data[i].f = s->offset + s->amplitude * (fabs(fmod(running * s->frequency, 1) - .5) - 0.25) * 4; break;
case SIGNAL_GENERATOR_TYPE_SQUARE: t->data[i].f = s->offset + s->amplitude * ( (fmod(running * s->frequency, 1) < .5) ? -1 : 1); break;
case SIGNAL_GENERATOR_TYPE_RAMP: t->data[i].f = s->offset + s->amplitude * fmod(running, s->frequency); break;
case SIGNAL_GENERATOR_TYPE_COUNTER: t->data[i].f = s->offset + s->amplitude * s->counter; break;
case SIGNAL_GENERATOR_TYPE_RANDOM:
s->last[i] += box_muller(0, s->stddev);
t->data[i].f = s->last[i];
break;
@ -269,20 +269,20 @@ int signal_read(struct node *n, struct sample *smps[], unsigned cnt)
return 1;
}
char * signal_print(struct node *n)
char * signal_generator_print(struct node *n)
{
struct signal *s = (struct signal *) n->_vd;
struct signal_generator *s = (struct signal_generator *) n->_vd;
char *type, *buf = NULL;
switch (s->type) {
case SIGNAL_TYPE_MIXED: type = "mixed"; break;
case SIGNAL_TYPE_RAMP: type = "ramp"; break;
case SIGNAL_TYPE_COUNTER: type = "counter"; break;
case SIGNAL_TYPE_TRIANGLE: type = "triangle"; break;
case SIGNAL_TYPE_SQUARE: type = "square"; break;
case SIGNAL_TYPE_SINE: type = "sine"; break;
case SIGNAL_TYPE_RANDOM: type = "random"; break;
case SIGNAL_TYPE_CONSTANT: type = "constant"; break;
case SIGNAL_GENERATOR_TYPE_MIXED: type = "mixed"; break;
case SIGNAL_GENERATOR_TYPE_RAMP: type = "ramp"; break;
case SIGNAL_GENERATOR_TYPE_COUNTER: type = "counter"; break;
case SIGNAL_GENERATOR_TYPE_TRIANGLE: type = "triangle"; break;
case SIGNAL_GENERATOR_TYPE_SQUARE: type = "square"; break;
case SIGNAL_GENERATOR_TYPE_SINE: type = "sine"; break;
case SIGNAL_GENERATOR_TYPE_RANDOM: type = "random"; break;
case SIGNAL_GENERATOR_TYPE_CONSTANT: type = "constant"; break;
default: return NULL;
}
@ -295,27 +295,27 @@ char * signal_print(struct node *n)
return buf;
}
int signal_fd(struct node *n)
int signal_generator_fd(struct node *n)
{
struct signal *s = (struct signal *) n->_vd;
struct signal_generator *s = (struct signal_generator *) n->_vd;
return task_fd(&s->task);
}
static struct plugin p = {
.name = "signal",
.description = "Signal generation",
.description = "Signal generator",
.type = PLUGIN_TYPE_NODE,
.node = {
.vectorize = 1,
.size = sizeof(struct signal),
.parse = signal_parse,
.parse_cli = signal_parse_cli,
.print = signal_print,
.start = signal_open,
.stop = signal_close,
.read = signal_read,
.fd = signal_fd
.size = sizeof(struct signal_generator),
.parse = signal_generator_parse,
.parse_cli = signal_generator_parse_cli,
.print = signal_generator_print,
.start = signal_generator_open,
.stop = signal_generator_close,
.read = signal_generator_read,
.fd = signal_generator_fd
}
};

2
src/signal.c
View file

@ -35,7 +35,7 @@
#include <villas/node.h>
#include <villas/pool.h>
#include <villas/plugin.h>
#include <villas/nodes/signal.h>
#include <villas/nodes/signal_generator.h>
/* Some default values */
struct node n;