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/*
* Copyright (c) 2021 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 "data_acq.h"
#include "bsp.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
/**
* @brief Get the user input from USART.
* @param[out] user_input String read from the UART block.
* @param[in] size String read length.
* @return 0 if successful, error code otherwise.
**/
static int get_uart_user_input(char* user_input, int size)
{
if (true != GetLine(user_input, size - 1)) {
printf_err("invalid input\n");
return 1;
}
return 0;
}
int data_acq_channel_init(data_acq_module* module)
{
assert(module);
/* UART should have been initialised with low level initialisation
* routines. */
module->system_init = NULL;
strncpy(module->system_name, "UART", sizeof(module->system_name));
module->get_input = get_uart_user_input;
module->inited = 1;
return !(module->inited);
}
int data_acq_channel_release(data_acq_module* module)
{
assert(module);
module->inited = 0;
module->get_input = NULL;
return 0;
}
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