| /* |
| * 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; |
| } |