117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include <check.h>
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#include "../libsigrok.h"
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/* Get a libsigrok driver by name. */
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struct sr_dev_driver *srtest_driver_get(const char *drivername)
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{
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struct sr_dev_driver **drivers, *driver = NULL;
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int i;
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drivers = sr_driver_list();
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fail_unless(drivers != NULL, "No drivers found.");
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for (i = 0; drivers[i]; i++) {
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if (strcmp(drivers[i]->name, drivername))
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continue;
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driver = drivers[i];
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}
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fail_unless(driver != NULL, "Driver '%s' not found.", drivername);
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return driver;
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}
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/* Initialize a libsigrok driver. */
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void srtest_driver_init(struct sr_context *sr_ctx, struct sr_dev_driver *driver)
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{
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int ret;
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ret = sr_driver_init(sr_ctx, driver);
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fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.",
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driver->name, ret);
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}
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/* Initialize all libsigrok drivers. */
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void srtest_driver_init_all(struct sr_context *sr_ctx)
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{
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struct sr_dev_driver **drivers, *driver;
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int i, ret;
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drivers = sr_driver_list();
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fail_unless(drivers != NULL, "No drivers found.");
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for (i = 0; drivers[i]; i++) {
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driver = drivers[i];
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ret = sr_driver_init(sr_ctx, driver);
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fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.",
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driver->name, ret);
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}
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}
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/* Set the samplerate for the respective driver to the specified value. */
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void srtest_set_samplerate(struct sr_dev_driver *driver, uint64_t samplerate)
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{
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int ret;
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struct sr_dev_inst *sdi;
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sdi = g_slist_nth_data(driver->priv, 0);
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ret = driver->config_set(SR_CONF_SAMPLERATE, &samplerate, sdi);
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fail_unless(ret == SR_OK, "%s: Failed to set SR_CONF_SAMPLERATE: %d.",
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driver->name, ret);
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}
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/* Get the respective driver's current samplerate. */
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uint64_t srtest_get_samplerate(struct sr_dev_driver *driver)
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{
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int ret;
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uint64_t *samplerate;
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struct sr_dev_inst *sdi;
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sdi = g_slist_nth_data(driver->priv, 0);
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ret = driver->config_get(SR_CONF_SAMPLERATE,
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(const void **)&samplerate, sdi);
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fail_unless(ret == SR_OK, "%s: Failed to get SR_CONF_SAMPLERATE: %d.",
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driver->name, ret);
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fail_unless(samplerate != NULL);
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return *samplerate;
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}
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/* Check whether the respective driver can set/get the correct samplerate. */
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void srtest_check_samplerate(struct sr_context *sr_ctx, const char *drivername,
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uint64_t samplerate)
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{
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struct sr_dev_driver *driver;
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uint64_t s;
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driver = srtest_driver_get(drivername);
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srtest_driver_init(sr_ctx, driver);;
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srtest_set_samplerate(driver, samplerate);
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s = srtest_get_samplerate(driver);
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fail_unless(s == samplerate, "%s: Incorrect samplerate: %" PRIu64 ".",
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drivername, s);
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}
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