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/*
* Copyright (c) 2022 Arm Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "hal.h" /* API */
#include "platform_drivers.h" /* Platform drivers */
#include "log_macros.h" /* Logging macros */
#include <stdio.h>
#include <assert.h>
#include <string.h>
int hal_init(hal_platform* platform, data_acq_module* data_acq,
data_psn_module* data_psn, platform_timer* timer)
{
assert(platform && data_acq && data_psn);
platform->data_acq = data_acq;
platform->data_psn = data_psn;
platform->timer = timer;
platform->platform_init = platform_init;
platform->platform_release = platform_release;
platform_name(platform->plat_name, sizeof(platform->plat_name));
return 0;
}
/**
* @brief Local helper function to clean the slate for current platform.
**/
static void hal_platform_clear(hal_platform* platform)
{
assert(platform);
platform->inited = 0;
}
int hal_platform_init(hal_platform* platform)
{
int state;
assert(platform && platform->platform_init);
hal_platform_clear(platform);
/* Initialise platform */
if (0 != (state = platform->platform_init())) {
printf_err("Failed to initialise platform %s\n", platform->plat_name);
return state;
}
/* Initialise the data acquisition module */
if (0 != (state = data_acq_channel_init(platform->data_acq))) {
if (!platform->data_acq->inited) {
printf_err("Failed to initialise data acq module: %s\n",
platform->data_acq->system_name);
}
hal_platform_release(platform);
return state;
}
/* Initialise the presentation module */
if (0 != (state = data_psn_system_init(platform->data_psn))) {
printf_err("Failed to initialise data psn module: %s\n",
platform->data_psn->system_name);
data_acq_channel_release(platform->data_acq);
hal_platform_release(platform);
return state;
}
/* Followed by the timer module */
init_timer(platform->timer);
info("%s platform initialised\n", platform->plat_name);
debug("Using %s module for data acquisition\n",
platform->data_acq->system_name);
debug("Using %s module for data presentation\n",
platform->data_psn->system_name);
platform->inited = !state;
return state;
}
void hal_platform_release(hal_platform *platform)
{
assert(platform && platform->platform_release);
data_acq_channel_release(platform->data_acq);
data_psn_system_release(platform->data_psn);
hal_platform_clear(platform);
info("Releasing platform %s\n", platform->plat_name);
platform->platform_release();
}
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