Paul Sokolovsky
c9f3869a41
JerryScript-DCO-1.0-Signed-off-by: Paul Sokolovsky paul.sokolovsky@linaro.org
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <zephyr.h>
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#include <uart.h>
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#include <drivers/console/console.h>
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#include <drivers/console/uart_console.h>
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#include "getline-zephyr.h"
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/* While app processes one input line, Zephyr will have another line
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buffer to accumulate more console input. */
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static struct console_input line_bufs[2];
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static struct k_fifo free_queue;
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static struct k_fifo used_queue;
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char *zephyr_getline(void)
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{
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static struct console_input *cmd;
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/* Recycle cmd buffer returned previous time */
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if (cmd != NULL)
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{
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k_fifo_put(&free_queue, cmd);
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}
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cmd = k_fifo_get(&used_queue, K_FOREVER);
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return cmd->line;
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}
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void zephyr_getline_init(void)
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{
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int i;
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k_fifo_init(&used_queue);
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k_fifo_init(&free_queue);
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for (i = 0; i < sizeof(line_bufs) / sizeof(*line_bufs); i++)
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{
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k_fifo_put(&free_queue, &line_bufs[i]);
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}
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/* Zephyr UART handler takes an empty buffer from free_queue,
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stores UART input in it until EOL, and then puts it into
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used_queue. */
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uart_register_input(&free_queue, &used_queue, NULL);
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}
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