amiro-os / core / inc / aos_shell.h @ 2920c6b7
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| 1 | e545e620 | Thomas Schöpping | /*
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| 2 | AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
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| 3 | 84f0ce9e | Thomas Schöpping | Copyright (C) 2016..2019 Thomas Schöpping et al.
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| 4 | e545e620 | Thomas Schöpping | |
| 5 | This program is free software: you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation, either version 3 of the License, or
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| 8 | (at your option) any later version.
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| 9 | |||
| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 | |||
| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 17 | */
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| 18 | |||
| 19 | 53710ca3 | Marc Rothmann | /**
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| 20 | * @file aos_shell.h
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| 21 | * @brief Shell macros and structures.
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| 22 | *
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| 23 | * @addtogroup aos_shell
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| 24 | * @{
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| 25 | */
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| 26 | |||
| 27 | e545e620 | Thomas Schöpping | #ifndef _AMIROOS_SHELL_H_
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| 28 | #define _AMIROOS_SHELL_H_
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| 29 | |||
| 30 | ba516b61 | Thomas Schöpping | #include <aosconf.h> |
| 31 | #if (AMIROOS_CFG_SHELL_ENABLE == true) |
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| 32 | e545e620 | Thomas Schöpping | #include <hal.h> |
| 33 | #include <aos_types.h> |
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| 34 | aed3754b | Thomas Schöpping | #include <aos_debug.h> |
| 35 | e545e620 | Thomas Schöpping | |
| 36 | /**
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| 37 | * @brief Shell event flag that is emitted when the thread starts.
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| 38 | */
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| 39 | ba516b61 | Thomas Schöpping | #define AOS_SHELL_EVTFLAG_START ((eventflags_t)(1 << 0)) |
| 40 | e545e620 | Thomas Schöpping | |
| 41 | /**
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| 42 | * @brief Shell event flag that is emitted when a command is executed.
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| 43 | */
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| 44 | ba516b61 | Thomas Schöpping | #define AOS_SHELL_EVTFLAG_EXEC ((eventflags_t)(1 << 1)) |
| 45 | e545e620 | Thomas Schöpping | |
| 46 | /**
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| 47 | * @brief Shell event flag that is emitted when a command execution finished.
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| 48 | */
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| 49 | ba516b61 | Thomas Schöpping | #define AOS_SHELL_EVTFLAG_DONE ((eventflags_t)(1 << 2)) |
| 50 | e545e620 | Thomas Schöpping | |
| 51 | /**
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| 52 | * @brief Shell event flag that is emitted when the shread stops.
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| 53 | */
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| 54 | ba516b61 | Thomas Schöpping | #define AOS_SHELL_EVTFLAG_EXIT ((eventflags_t)(1 << 3)) |
| 55 | e545e620 | Thomas Schöpping | |
| 56 | /**
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| 57 | * @brief Shell event flag that is emitted when an I/O error occurred.
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| 58 | */
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| 59 | ba516b61 | Thomas Schöpping | #define AOS_SHELL_EVTFLAG_IOERROR ((eventflags_t)(1 << 4)) |
| 60 | e545e620 | Thomas Schöpping | |
| 61 | /**
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| 62 | * @brief Shell input configuration for replacing content by user input.
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| 63 | */
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| 64 | ba516b61 | Thomas Schöpping | #define AOS_SHELL_CONFIG_INPUT_OVERWRITE (1 << 0) |
| 65 | e545e620 | Thomas Schöpping | |
| 66 | /**
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| 67 | * @brief Shell prompt configuration print a minimalistic prompt.
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| 68 | */
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| 69 | ba516b61 | Thomas Schöpping | #define AOS_SHELL_CONFIG_PROMPT_MINIMAL (1 << 1) |
| 70 | e545e620 | Thomas Schöpping | |
| 71 | /**
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| 72 | * @brief Shell prompt configuration to additionally print the system uptime with the prompt.
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| 73 | */
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| 74 | ba516b61 | Thomas Schöpping | #define AOS_SHELL_CONFIG_PROMPT_UPTIME (1 << 2) |
| 75 | e545e620 | Thomas Schöpping | |
| 76 | /**
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| 77 | 8399aeae | Thomas Schöpping | * @brief Shell prompt configuration to additionally print the date and time with the prompt.
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| 78 | */
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| 79 | #define AOS_SHELL_CONFIG_PROMPT_DATETIME (2 << 2) |
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| 80 | |||
| 81 | /**
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| 82 | e545e620 | Thomas Schöpping | * @brief Shell prompt configuration to additionally print the system uptime with the prompt.
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| 83 | */
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| 84 | 8399aeae | Thomas Schöpping | #define AOS_SHELL_CONFIG_MATCH_CASE (1 << 4) |
| 85 | ba516b61 | Thomas Schöpping | |
| 86 | /**
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| 87 | * @brief Shell I/O channel flag whether the channel is attached to a list.
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| 88 | */
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| 89 | #define AOS_SHELLCHANNEL_ATTACHED (1 << 0) |
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| 90 | |||
| 91 | /**
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| 92 | * @brief Shell I/O channel flag whether the channel is enabled as input.
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| 93 | */
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| 94 | #define AOS_SHELLCHANNEL_INPUT_ENABLED (1 << 1) |
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| 95 | |||
| 96 | /**
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| 97 | * @brief Shell I/O channel flag whether the channel is enabled as output.
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| 98 | */
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| 99 | #define AOS_SHELLCHANNEL_OUTPUT_ENABLED (1 << 2) |
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| 100 | |||
| 101 | /*
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| 102 | * forward definitions
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| 103 | */
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| 104 | typedef struct aos_shellchannel AosShellChannel; |
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| 105 | typedef struct aos_shellstream AosShellStream; |
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| 106 | |||
| 107 | /**
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| 108 | * @brief AosShellChannel specific methods.
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| 109 | */
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| 110 | #define _aos_shell_channel_methods \
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| 111 | _base_asynchronous_channel_methods |
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| 112 | |||
| 113 | /**
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| 114 | * @brief AosShellChannel specific data.
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| 115 | */
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| 116 | #define _aos_shell_channel_data \
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| 117 | dd8738ea | Thomas Schöpping | /* pointer to a BaseAsynchronousChannel object */ \
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| 118 | BaseAsynchronousChannel* asyncchannel; \ |
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| 119 | ba516b61 | Thomas Schöpping | /* event listener for the associated BaseAsynchronousChannel */ \
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| 120 | event_listener_t listener; \ |
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| 121 | /* pointer to the next chennal in a AosShellStream */ \
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| 122 | AosShellChannel* next; \ |
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| 123 | /* flags related to the channel */ \
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| 124 | uint8_t flags; |
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| 125 | |||
| 126 | /**
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| 127 | * @extends BaseAsynchronousChannelVMT
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| 128 | *
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| 129 | * @brief AosShellChannel virtual methods table.
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| 130 | */
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| 131 | struct AosShellChannelVMT {
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| 132 | _aos_shell_channel_methods |
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| 133 | }; |
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| 134 | |||
| 135 | /**
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| 136 | * @extends BaseAsynchronousChannel
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| 137 | *
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| 138 | * @brief Shell channel class.
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| 139 | * @details This class implements an asynchronous I/O channel.
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| 140 | */
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| 141 | struct aos_shellchannel {
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| 142 | /** @brief Virtual Methods Table. */
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| 143 | const struct AosShellChannelVMT* vmt; |
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| 144 | _aos_shell_channel_data |
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| 145 | }; |
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| 146 | |||
| 147 | /**
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| 148 | * @brief AosShellStream methods.
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| 149 | */
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| 150 | #define _aos_shellstream_methods \
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| 151 | _base_sequential_stream_methods |
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| 152 | |||
| 153 | /**
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| 154 | * @brief AosShellStream data.
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| 155 | */
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| 156 | #define _aos_shellstream_data \
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| 157 | /* Pointer to the first channel in a list. */ \
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| 158 | AosShellChannel* channel; |
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| 159 | |||
| 160 | /**
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| 161 | * @extends BaseSequentialStream
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| 162 | *
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| 163 | * @brief AosShellStream virtual methods table.
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| 164 | */
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| 165 | struct AosShellStreamVMT {
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| 166 | _aos_shellstream_methods |
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| 167 | }; |
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| 168 | |||
| 169 | /**
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| 170 | * @extends BaseSequentialStream
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| 171 | *
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| 172 | * @brief Shell Stream class.
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| 173 | * @details This class implements an base sequential stream.
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| 174 | * @todo So far only output but no input is supported.
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| 175 | */
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| 176 | struct aos_shellstream {
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| 177 | const struct AosShellStreamVMT* vmt; |
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| 178 | _aos_shellstream_data |
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| 179 | }; |
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| 180 | e545e620 | Thomas Schöpping | |
| 181 | /**
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| 182 | * @brief Shell command calback type.
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| 183 | */
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| 184 | typedef int (*aos_shellcmdcb_t)(BaseSequentialStream* stream, int argc, char* argv[]); |
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| 185 | |||
| 186 | /**
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| 187 | * @brief Shell command structure.
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| 188 | */
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| 189 | typedef struct aos_shellcommand { |
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| 190 | /**
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| 191 | * @brief Command name.
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| 192 | */
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| 193 | const char* name; |
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| 194 | |||
| 195 | /**
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| 196 | * @brief Callback function.
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| 197 | */
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| 198 | aos_shellcmdcb_t callback; |
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| 199 | |||
| 200 | /**
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| 201 | * @brief Pointer to next command in a singly linked list.
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| 202 | */
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| 203 | struct aos_shellcommand* next;
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| 204 | ba516b61 | Thomas Schöpping | |
| 205 | e545e620 | Thomas Schöpping | } aos_shellcommand_t; |
| 206 | |||
| 207 | /**
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| 208 | * @brief Execution status of a shell command.
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| 209 | */
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| 210 | typedef struct aos_shellexecstatus { |
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| 211 | ba516b61 | Thomas Schöpping | /**
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| 212 | * @brief Pointer to the command that was executed.
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| 213 | */
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| 214 | aos_shellcommand_t* command; |
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| 215 | |||
| 216 | /**
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| 217 | * @brief Return value of the executed command.
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| 218 | */
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| 219 | int retval;
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| 220 | e545e620 | Thomas Schöpping | } aos_shellexecstatus_t; |
| 221 | |||
| 222 | /**
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| 223 | ba516b61 | Thomas Schöpping | * @brief Enumerator to encode shell actions.
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| 224 | */
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| 225 | typedef enum aos_shellaction { |
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| 226 | dd8738ea | Thomas Schöpping | AOS_SHELL_ACTION_NONE, |
| 227 | ba516b61 | Thomas Schöpping | AOS_SHELL_ACTION_READCHAR, |
| 228 | AOS_SHELL_ACTION_AUTOFILL, |
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| 229 | AOS_SHELL_ACTION_SUGGEST, |
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| 230 | AOS_SHELL_ACTION_INSERTTOGGLE, |
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| 231 | AOS_SHELL_ACTION_DELETEFORWARD, |
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| 232 | AOS_SHELL_ACTION_DELETEBACKWARD, |
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| 233 | AOS_SHELL_ACTION_RECALLLAST, |
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| 234 | AOS_SHELL_ACTION_CLEAR, |
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| 235 | AOS_SHELL_ACTION_CURSOR2START, |
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| 236 | AOS_SHELL_ACTION_CURSOR2END, |
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| 237 | AOS_SHELL_ACTION_CURSORLEFT, |
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| 238 | AOS_SHELL_ACTION_CURSORRIGHT, |
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| 239 | AOS_SHELL_ACTION_EXECUTE, |
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| 240 | AOS_SHELL_ACTION_ESCSTART, |
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| 241 | } aos_shellaction_t; |
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| 242 | |||
| 243 | /**
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| 244 | e545e620 | Thomas Schöpping | * @brief Shell structure.
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| 245 | */
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| 246 | typedef struct aos_shell { |
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| 247 | /**
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| 248 | * @brief Pointer to the thread object.
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| 249 | */
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| 250 | thread_t* thread; |
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| 251 | |||
| 252 | /**
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| 253 | * @brief Event source.
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| 254 | */
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| 255 | event_source_t eventSource; |
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| 256 | |||
| 257 | /**
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| 258 | ba516b61 | Thomas Schöpping | * @brief Struct for OS related events
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| 259 | e545e620 | Thomas Schöpping | */
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| 260 | ba516b61 | Thomas Schöpping | struct {
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| 261 | /**
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| 262 | * @brief Pointer to the OS' event source.
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| 263 | */
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| 264 | event_source_t* eventSource; |
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| 265 | |||
| 266 | /**
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| 267 | * @brief Listener for OS related events.
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| 268 | */
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| 269 | event_listener_t eventListener; |
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| 270 | } os; |
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| 271 | |||
| 272 | /**
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| 273 | * @brief Pointer to the first I/O channel.
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| 274 | */
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| 275 | AosShellStream stream; |
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| 276 | e545e620 | Thomas Schöpping | |
| 277 | /**
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| 278 | * @brief String to printed as prompt.
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| 279 | */
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| 280 | const char* prompt; |
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| 281 | |||
| 282 | /**
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| 283 | * @brief Pointer to the first element of the singly linked list of commands.
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| 284 | * @details Commands are ordered alphabetically in the list.
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| 285 | */
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| 286 | aos_shellcommand_t* commands; |
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| 287 | |||
| 288 | /**
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| 289 | * @brief Execution status of the most recent command.
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| 290 | */
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| 291 | aos_shellexecstatus_t execstatus; |
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| 292 | |||
| 293 | /**
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| 294 | * @brief Input buffer.
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| 295 | */
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| 296 | char* line;
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| 297 | |||
| 298 | /**
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| 299 | * @brief Size of the input buffer.
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| 300 | */
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| 301 | size_t linesize; |
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| 302 | |||
| 303 | /**
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| 304 | ba516b61 | Thomas Schöpping | * @brief Structure containing data for internal input parsing.
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| 305 | */
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| 306 | struct {
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| 307 | /**
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| 308 | * @brief The last action executed by the shell.
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| 309 | */
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| 310 | aos_shellaction_t lastaction; |
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| 311 | |||
| 312 | /**
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| 313 | * @brief Number of character in the current escape sequence.
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| 314 | */
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| 315 | uint8_t escp; |
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| 316 | |||
| 317 | /**
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| 318 | * @brief Buffer to store an escape sequence.
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| 319 | */
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| 320 | char escseq[5]; |
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| 321 | |||
| 322 | /**
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| 323 | * @brief Current curso position.
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| 324 | */
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| 325 | size_t cursorpos; |
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| 326 | |||
| 327 | /**
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| 328 | * @brief Current line width.
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| 329 | */
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| 330 | size_t lineend; |
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| 331 | |||
| 332 | /**
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| 333 | * @brief Flag whether there was input since the prompt was printed the last time.
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| 334 | */
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| 335 | bool noinput;
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| 336 | } inputdata; |
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| 337 | |||
| 338 | /**
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| 339 | e545e620 | Thomas Schöpping | * @brief Argument buffer.
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| 340 | */
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| 341 | char** arglist;
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| 342 | |||
| 343 | /**
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| 344 | * @brief Size of the argument buffer.
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| 345 | */
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| 346 | size_t arglistsize; |
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| 347 | |||
| 348 | /**
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| 349 | * @brief Configuration flags.
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| 350 | */
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| 351 | uint8_t config; |
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| 352 | } aos_shell_t; |
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| 353 | |||
| 354 | #ifdef __cplusplus
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| 355 | extern "C" { |
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| 356 | #endif
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| 357 | ba516b61 | Thomas Schöpping | void aosShellInit(aos_shell_t* shell, event_source_t* oseventsource, const char* prompt, char* line, size_t linesize, char** arglist, size_t arglistsize); |
| 358 | void aosShellStreamInit(AosShellStream* stream);
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| 359 | dd8738ea | Thomas Schöpping | void aosShellChannelInit(AosShellChannel* channel, BaseAsynchronousChannel* asyncchannel);
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| 360 | e545e620 | Thomas Schöpping | aos_status_t aosShellAddCommand(aos_shell_t* shell, aos_shellcommand_t* cmd); |
| 361 | aos_status_t aosShellRemoveCommand(aos_shell_t* shell, char* cmd, aos_shellcommand_t** removed);
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| 362 | aed3754b | Thomas Schöpping | unsigned int aosShellCountCommands(aos_shell_t* shell); |
| 363 | ba516b61 | Thomas Schöpping | void aosShellStreamAddChannel(AosShellStream* stream, AosShellChannel* channel);
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| 364 | aos_status_t aosShellStreamRemoveChannel(AosShellStream* stream, AosShellChannel* channel); |
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| 365 | void aosShellChannelInputEnable(AosShellChannel* channel);
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| 366 | void aosShellChannelInputDisable( AosShellChannel* channel);
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| 367 | void aosShellChannelOutputEnable(AosShellChannel* channel);
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| 368 | void aosShellChannelOutputDisable(AosShellChannel* channel);
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| 369 | e545e620 | Thomas Schöpping | THD_FUNCTION(aosShellThread, shell); |
| 370 | #ifdef __cplusplus
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| 371 | } |
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| 372 | #endif
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| 373 | |||
| 374 | ba516b61 | Thomas Schöpping | #endif /* AMIROOS_CFG_SHELL_ENABLE == true */ |
| 375 | |||
| 376 | e545e620 | Thomas Schöpping | #endif /* _AMIROOS_SHELL_H_ */ |
| 377 | 53710ca3 | Marc Rothmann | |
| 378 | /** @} */ |