libsigrok/tests/lib.c

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/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <check.h>
#include "../include/libsigrok/libsigrok.h"
#include "lib.h"
struct sr_context *srtest_ctx;
void srtest_setup(void)
{
int ret;
ret = sr_init(&srtest_ctx);
fail_unless(ret == SR_OK, "sr_init() failed: %d.", ret);
}
void srtest_teardown(void)
{
int ret;
ret = sr_exit(srtest_ctx);
fail_unless(ret == SR_OK, "sr_exit() failed: %d.", ret);
}
/* Get a libsigrok driver by name. */
struct sr_dev_driver *srtest_driver_get(const char *drivername)
{
struct sr_dev_driver **drivers, *driver = NULL;
int i;
drivers = sr_driver_list();
fail_unless(drivers != NULL, "No drivers found.");
for (i = 0; drivers[i]; i++) {
if (strcmp(drivers[i]->name, drivername))
continue;
driver = drivers[i];
}
fail_unless(driver != NULL, "Driver '%s' not found.", drivername);
return driver;
}
/* Get a libsigrok input format by ID. */
struct sr_input_format *srtest_input_get(const char *id)
{
struct sr_input_format **inputs, *input = NULL;
int i;
inputs = sr_input_list();
fail_unless(inputs != NULL, "No input modules found.");
for (i = 0; inputs[i]; i++) {
if (strcmp(inputs[i]->id, id))
continue;
input = inputs[i];
}
fail_unless(input != NULL, "Input module '%s' not found.", id);
return input;
}
/* Initialize a libsigrok driver. */
void srtest_driver_init(struct sr_context *sr_ctx, struct sr_dev_driver *driver)
{
int ret;
ret = sr_driver_init(sr_ctx, driver);
fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.",
driver->name, ret);
}
/* Initialize all libsigrok drivers. */
void srtest_driver_init_all(struct sr_context *sr_ctx)
{
struct sr_dev_driver **drivers, *driver;
int i, ret;
drivers = sr_driver_list();
fail_unless(drivers != NULL, "No drivers found.");
for (i = 0; drivers[i]; i++) {
driver = drivers[i];
ret = sr_driver_init(sr_ctx, driver);
fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.",
driver->name, ret);
}
}
/* Initialize a libsigrok input module. */
void srtest_input_init(struct sr_context *sr_ctx, struct sr_input_format *input)
{
int ret;
struct sr_input *in;
(void)sr_ctx;
in = g_try_malloc0(sizeof(struct sr_input));
fail_unless(in != NULL);
in->format = input;
in->param = NULL;
ret = in->format->init(in, "nonexisting.dat");
fail_unless(ret == SR_OK, "Failed to init '%s' input module: %d.",
input->id, ret);
g_free(in);
}
/* Initialize all libsigrok input modules. */
void srtest_input_init_all(struct sr_context *sr_ctx)
{
struct sr_input_format **inputs;
int i;
inputs = sr_input_list();
fail_unless(inputs != NULL, "No input modules found.");
for (i = 0; inputs[i]; i++)
srtest_input_init(sr_ctx, inputs[i]);
}
/* Set the samplerate for the respective driver to the specified value. */
void srtest_set_samplerate(struct sr_dev_driver *driver, uint64_t samplerate)
{
int ret;
struct sr_dev_inst *sdi;
GVariant *gvar;
sdi = g_slist_nth_data(driver->priv, 0);
gvar = g_variant_new_uint64(samplerate);
ret = driver->config_set(SR_CONF_SAMPLERATE, gvar, sdi, NULL);
g_variant_unref(gvar);
fail_unless(ret == SR_OK, "%s: Failed to set SR_CONF_SAMPLERATE: %d.",
driver->name, ret);
}
/* Get the respective driver's current samplerate. */
uint64_t srtest_get_samplerate(struct sr_dev_driver *driver)
{
int ret;
uint64_t samplerate;
struct sr_dev_inst *sdi;
GVariant *gvar;
sdi = g_slist_nth_data(driver->priv, 0);
ret = driver->config_get(SR_CONF_SAMPLERATE, &gvar, sdi, NULL);
samplerate = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
fail_unless(ret == SR_OK, "%s: Failed to get SR_CONF_SAMPLERATE: %d.",
driver->name, ret);
return samplerate;
}
/* Check whether the respective driver can set/get the correct samplerate. */
void srtest_check_samplerate(struct sr_context *sr_ctx, const char *drivername,
uint64_t samplerate)
{
struct sr_dev_driver *driver;
uint64_t s;
driver = srtest_driver_get(drivername);
srtest_driver_init(sr_ctx, driver);;
srtest_set_samplerate(driver, samplerate);
s = srtest_get_samplerate(driver);
fail_unless(s == samplerate, "%s: Incorrect samplerate: %" PRIu64 ".",
drivername, s);
}
void srtest_buf_to_file(const char *filename, const uint8_t *buf, uint64_t len)
{
FILE *f;
GError *error = NULL;
gboolean ret;
f = g_fopen(filename, "wb");
fail_unless(f != NULL);
ret = g_file_set_contents(filename, (const gchar *)buf, len, &error);
fail_unless(ret == TRUE);
fclose(f);
}
GArray *srtest_get_enabled_logic_channels(const struct sr_dev_inst *sdi)
{
struct sr_channel *ch;
GArray *channels;
GSList *l;
channels = g_array_new(FALSE, FALSE, sizeof(int));
for (l = sdi->channels; l; l = l->next) {
ch = l->data;
if (ch->type != SR_CHANNEL_LOGIC)
continue;
if (ch->enabled != TRUE)
continue;
g_array_append_val(channels, ch->index);
}
return channels;
}