1 /*
2 * Copyright (c) 2018 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/kernel.h>
8 #include <stdio.h>
9 #include <zephyr/sys/printk.h>
10 #include <zephyr/shell/shell.h>
11 #include <zephyr/shell/shell_uart.h>
12
13 #include <openthread.h>
14
15 #include <openthread/cli.h>
16 #include <openthread/instance.h>
17
18 #include "platform-zephyr.h"
19
20 #define OT_SHELL_BUFFER_SIZE CONFIG_SHELL_CMD_BUFF_SIZE
21
22 static char rx_buffer[OT_SHELL_BUFFER_SIZE];
23
24 static const struct shell *shell_p;
25 static bool is_shell_initialized;
26
ot_console_cb(void * context,const char * format,va_list arg)27 static int ot_console_cb(void *context, const char *format, va_list arg)
28 {
29 ARG_UNUSED(context);
30
31 if (shell_p == NULL) {
32 return 0;
33 }
34
35 shell_vfprintf(shell_p, SHELL_NORMAL, format, arg);
36
37 return 0;
38 }
39
40 #define SHELL_HELP_OT "OpenThread subcommands\n" \
41 "Use \"ot help\" to get the list of subcommands"
42
ot_cmd(const struct shell * sh,size_t argc,char * argv[])43 static int ot_cmd(const struct shell *sh, size_t argc, char *argv[])
44 {
45 char *buf_ptr = rx_buffer;
46 size_t buf_len = OT_SHELL_BUFFER_SIZE;
47 size_t arg_len = 0;
48 int i;
49
50 if (!is_shell_initialized) {
51 return -ENOEXEC;
52 }
53
54 for (i = 1; i < argc; i++) {
55 if (arg_len) {
56 buf_len -= arg_len + 1;
57 if (buf_len) {
58 buf_ptr[arg_len] = ' ';
59 }
60 buf_ptr += arg_len + 1;
61 }
62
63 arg_len = snprintk(buf_ptr, buf_len, "%s", argv[i]);
64
65 if (arg_len >= buf_len) {
66 shell_fprintf(sh, SHELL_WARNING,
67 "OT shell buffer full\n");
68 return -ENOEXEC;
69 }
70 }
71
72 if (i == argc) {
73 buf_len -= arg_len;
74 }
75
76 shell_p = sh;
77
78 openthread_mutex_lock();
79 otCliInputLine(rx_buffer);
80 openthread_mutex_unlock();
81
82 return 0;
83 }
84
85 SHELL_CMD_ARG_REGISTER(ot, NULL, SHELL_HELP_OT, ot_cmd, 2, 255);
86
platformShellInit(otInstance * aInstance)87 void platformShellInit(otInstance *aInstance)
88 {
89 if (IS_ENABLED(CONFIG_SHELL_BACKEND_SERIAL)) {
90 shell_p = shell_backend_uart_get_ptr();
91 } else {
92 shell_p = NULL;
93 }
94
95 otCliInit(aInstance, ot_console_cb, NULL);
96 is_shell_initialized = true;
97 }
98
