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Diffstat (limited to 'source/hal/source/hal.c')
-rw-r--r-- | source/hal/source/hal.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/source/hal/source/hal.c b/source/hal/source/hal.c new file mode 100644 index 0000000..2715a17 --- /dev/null +++ b/source/hal/source/hal.c @@ -0,0 +1,104 @@ +/* + * 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(); +} |