477 lines
14 KiB
C
477 lines
14 KiB
C
#include "cli_i.h"
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#include "cli_commands.h"
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#include "cli_vcp.h"
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#include <furi_hal_version.h>
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#include <loader/loader.h>
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#define TAG "CliSrv"
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Cli* cli_alloc() {
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Cli* cli = malloc(sizeof(Cli));
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CliCommandTree_init(cli->commands);
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cli->last_line = furi_string_alloc();
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cli->line = furi_string_alloc();
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cli->session = NULL;
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cli->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
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furi_check(cli->mutex);
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cli->idle_sem = furi_semaphore_alloc(1, 0);
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return cli;
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}
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void cli_putc(Cli* cli, char c) {
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furi_assert(cli);
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if(cli->session != NULL) {
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cli->session->tx((uint8_t*)&c, 1);
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}
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}
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char cli_getc(Cli* cli) {
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furi_assert(cli);
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char c = 0;
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if(cli->session != NULL) {
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if(cli->session->rx((uint8_t*)&c, 1, FuriWaitForever) == 0) {
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cli_reset(cli);
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}
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} else {
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cli_reset(cli);
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}
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return c;
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}
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void cli_write(Cli* cli, const uint8_t* buffer, size_t size) {
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furi_assert(cli);
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if(cli->session != NULL) {
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cli->session->tx(buffer, size);
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}
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}
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size_t cli_read(Cli* cli, uint8_t* buffer, size_t size) {
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furi_assert(cli);
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if(cli->session != NULL) {
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return cli->session->rx(buffer, size, FuriWaitForever);
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} else {
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return 0;
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}
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}
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size_t cli_read_timeout(Cli* cli, uint8_t* buffer, size_t size, uint32_t timeout) {
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furi_assert(cli);
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if(cli->session != NULL) {
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return cli->session->rx(buffer, size, timeout);
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} else {
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return 0;
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}
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}
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bool cli_is_connected(Cli* cli) {
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furi_assert(cli);
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if(cli->session != NULL) {
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return (cli->session->is_connected());
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}
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return false;
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}
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bool cli_cmd_interrupt_received(Cli* cli) {
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furi_assert(cli);
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char c = '\0';
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if(cli_is_connected(cli)) {
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if(cli->session->rx((uint8_t*)&c, 1, 0) == 1) {
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return c == CliSymbolAsciiETX;
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}
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} else {
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return true;
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}
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return false;
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}
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void cli_print_usage(const char* cmd, const char* usage, const char* arg) {
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furi_assert(cmd);
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furi_assert(arg);
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furi_assert(usage);
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printf("%s: illegal option -- %s\r\nusage: %s %s", cmd, arg, cmd, usage);
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}
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void cli_motd() {
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printf("\r\n"
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" _.-------.._ -,\r\n"
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" .-\"```\"--..,,_/ /`-, -, \\ \r\n"
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" .:\" /:/ /'\\ \\ ,_..., `. | |\r\n"
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" / ,----/:/ /`\\ _\\~`_-\"` _;\r\n"
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" ' / /`\"\"\"'\\ \\ \\.~`_-' ,-\"'/ \r\n"
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" | | | 0 | | .-' ,/` /\r\n"
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" | ,..\\ \\ ,.-\"` ,/` /\r\n"
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" ; : `/`\"\"\\` ,/--==,/-----,\r\n"
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" | `-...| -.___-Z:_______J...---;\r\n"
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" : ` _-'\r\n"
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" _L_ _ ___ ___ ___ ___ ____--\"`___ _ ___\r\n"
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"| __|| | |_ _|| _ \\| _ \\| __|| _ \\ / __|| | |_ _|\r\n"
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"| _| | |__ | | | _/| _/| _| | / | (__ | |__ | |\r\n"
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"|_| |____||___||_| |_| |___||_|_\\ \\___||____||___|\r\n"
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"\r\n"
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"Welcome to Flipper Zero Command Line Interface!\r\n"
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"Read Manual https://docs.flipperzero.one\r\n"
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"\r\n");
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const Version* firmware_version = furi_hal_version_get_firmware_version();
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if(firmware_version) {
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printf(
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"Firmware version: %s %s (%s%s built on %s)\r\n",
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version_get_gitbranch(firmware_version),
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version_get_version(firmware_version),
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version_get_githash(firmware_version),
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version_get_dirty_flag(firmware_version) ? "-dirty" : "",
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version_get_builddate(firmware_version));
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}
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}
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void cli_nl(Cli* cli) {
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UNUSED(cli);
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printf("\r\n");
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}
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void cli_prompt(Cli* cli) {
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UNUSED(cli);
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printf("\r\n>: %s", furi_string_get_cstr(cli->line));
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fflush(stdout);
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}
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void cli_reset(Cli* cli) {
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// cli->last_line is cleared and cli->line's buffer moved to cli->last_line
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furi_string_move(cli->last_line, cli->line);
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// Reiniting cli->line
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cli->line = furi_string_alloc();
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cli->cursor_position = 0;
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}
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static void cli_handle_backspace(Cli* cli) {
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if(cli->cursor_position > 0) {
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furi_assert(furi_string_size(cli->line) > 0);
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// Other side
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printf("\e[D\e[1P");
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fflush(stdout);
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// Our side
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furi_string_replace_at(cli->line, cli->cursor_position - 1, 1, "");
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cli->cursor_position--;
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} else {
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cli_putc(cli, CliSymbolAsciiBell);
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}
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}
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static void cli_normalize_line(Cli* cli) {
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furi_string_trim(cli->line);
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cli->cursor_position = furi_string_size(cli->line);
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}
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static void cli_execute_command(Cli* cli, CliCommand* command, FuriString* args) {
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if(!(command->flags & CliCommandFlagInsomniaSafe)) {
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furi_hal_power_insomnia_enter();
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}
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// Ensure that we running alone
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if(!(command->flags & CliCommandFlagParallelSafe)) {
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Loader* loader = furi_record_open(RECORD_LOADER);
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bool safety_lock = loader_lock(loader);
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if(safety_lock) {
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// Execute command
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command->callback(cli, args, command->context);
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loader_unlock(loader);
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} else {
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printf("Other application is running, close it first");
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}
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furi_record_close(RECORD_LOADER);
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} else {
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// Execute command
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command->callback(cli, args, command->context);
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}
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if(!(command->flags & CliCommandFlagInsomniaSafe)) {
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furi_hal_power_insomnia_exit();
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}
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}
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static void cli_handle_enter(Cli* cli) {
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cli_normalize_line(cli);
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if(furi_string_size(cli->line) == 0) {
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cli_prompt(cli);
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return;
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}
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// Command and args container
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FuriString* command;
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command = furi_string_alloc();
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FuriString* args;
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args = furi_string_alloc();
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// Split command and args
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size_t ws = furi_string_search_char(cli->line, ' ');
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if(ws == FURI_STRING_FAILURE) {
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furi_string_set(command, cli->line);
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} else {
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furi_string_set_n(command, cli->line, 0, ws);
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furi_string_set_n(args, cli->line, ws, furi_string_size(cli->line));
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furi_string_trim(args);
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}
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// Search for command
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furi_check(furi_mutex_acquire(cli->mutex, FuriWaitForever) == FuriStatusOk);
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CliCommand* cli_command_ptr = CliCommandTree_get(cli->commands, command);
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if(cli_command_ptr) { //-V547
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CliCommand cli_command;
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memcpy(&cli_command, cli_command_ptr, sizeof(CliCommand));
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furi_check(furi_mutex_release(cli->mutex) == FuriStatusOk);
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cli_nl(cli);
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cli_execute_command(cli, &cli_command, args);
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} else {
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furi_check(furi_mutex_release(cli->mutex) == FuriStatusOk);
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cli_nl(cli);
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printf(
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"`%s` command not found, use `help` or `?` to list all available commands",
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furi_string_get_cstr(command));
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cli_putc(cli, CliSymbolAsciiBell);
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}
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cli_reset(cli);
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cli_prompt(cli);
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// Cleanup command and args
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furi_string_free(command);
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furi_string_free(args);
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}
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static void cli_handle_autocomplete(Cli* cli) {
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cli_normalize_line(cli);
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if(furi_string_size(cli->line) == 0) {
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return;
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}
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cli_nl(cli);
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// Prepare common base for autocomplete
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FuriString* common;
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common = furi_string_alloc();
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// Iterate throw commands
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for
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M_EACH(cli_command, cli->commands, CliCommandTree_t) {
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// Process only if starts with line buffer
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if(furi_string_start_with(*cli_command->key_ptr, cli->line)) {
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// Show autocomplete option
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printf("%s\r\n", furi_string_get_cstr(*cli_command->key_ptr));
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// Process common base for autocomplete
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if(furi_string_size(common) > 0) {
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// Choose shortest string
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const size_t key_size = furi_string_size(*cli_command->key_ptr);
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const size_t common_size = furi_string_size(common);
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const size_t min_size = key_size > common_size ? common_size : key_size;
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size_t i = 0;
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while(i < min_size) {
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// Stop when do not match
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if(furi_string_get_char(*cli_command->key_ptr, i) !=
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furi_string_get_char(common, i)) {
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break;
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}
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i++;
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}
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// Cut right part if any
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furi_string_left(common, i);
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} else {
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// Start with something
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furi_string_set(common, *cli_command->key_ptr);
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}
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}
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}
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// Replace line buffer if autocomplete better
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if(furi_string_size(common) > furi_string_size(cli->line)) {
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furi_string_set(cli->line, common);
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cli->cursor_position = furi_string_size(cli->line);
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}
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// Cleanup
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furi_string_free(common);
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// Show prompt
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cli_prompt(cli);
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}
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static void cli_handle_escape(Cli* cli, char c) {
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if(c == 'A') {
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// Use previous command if line buffer is empty
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if(furi_string_size(cli->line) == 0 && furi_string_cmp(cli->line, cli->last_line) != 0) {
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// Set line buffer and cursor position
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furi_string_set(cli->line, cli->last_line);
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cli->cursor_position = furi_string_size(cli->line);
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// Show new line to user
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printf("%s", furi_string_get_cstr(cli->line));
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}
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} else if(c == 'B') {
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} else if(c == 'C') {
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if(cli->cursor_position < furi_string_size(cli->line)) {
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cli->cursor_position++;
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printf("\e[C");
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}
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} else if(c == 'D') {
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if(cli->cursor_position > 0) {
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cli->cursor_position--;
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printf("\e[D");
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}
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}
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fflush(stdout);
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}
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void cli_process_input(Cli* cli) {
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char in_chr = cli_getc(cli);
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size_t rx_len;
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if(in_chr == CliSymbolAsciiTab) {
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cli_handle_autocomplete(cli);
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} else if(in_chr == CliSymbolAsciiSOH) {
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furi_delay_ms(33); // We are too fast, Minicom is not ready yet
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cli_motd();
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cli_prompt(cli);
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} else if(in_chr == CliSymbolAsciiETX) {
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cli_reset(cli);
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cli_prompt(cli);
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} else if(in_chr == CliSymbolAsciiEOT) {
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cli_reset(cli);
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} else if(in_chr == CliSymbolAsciiEsc) {
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rx_len = cli_read(cli, (uint8_t*)&in_chr, 1);
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if((rx_len > 0) && (in_chr == '[')) {
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cli_read(cli, (uint8_t*)&in_chr, 1);
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cli_handle_escape(cli, in_chr);
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} else {
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cli_putc(cli, CliSymbolAsciiBell);
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}
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} else if(in_chr == CliSymbolAsciiBackspace || in_chr == CliSymbolAsciiDel) {
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cli_handle_backspace(cli);
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} else if(in_chr == CliSymbolAsciiCR) {
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cli_handle_enter(cli);
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} else if(in_chr >= 0x20 && in_chr < 0x7F) { //-V560
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if(cli->cursor_position == furi_string_size(cli->line)) {
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furi_string_push_back(cli->line, in_chr);
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cli_putc(cli, in_chr);
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} else {
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// Insert character to line buffer
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const char in_str[2] = {in_chr, 0};
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furi_string_replace_at(cli->line, cli->cursor_position, 0, in_str);
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// Print character in replace mode
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printf("\e[4h%c\e[4l", in_chr);
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fflush(stdout);
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}
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cli->cursor_position++;
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} else {
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cli_putc(cli, CliSymbolAsciiBell);
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}
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}
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void cli_add_command(
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Cli* cli,
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const char* name,
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CliCommandFlag flags,
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CliCallback callback,
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void* context) {
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FuriString* name_str;
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name_str = furi_string_alloc_set(name);
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furi_string_trim(name_str);
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size_t name_replace;
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do {
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name_replace = furi_string_replace(name_str, " ", "_");
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} while(name_replace != FURI_STRING_FAILURE);
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CliCommand c;
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c.callback = callback;
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c.context = context;
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c.flags = flags;
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furi_check(furi_mutex_acquire(cli->mutex, FuriWaitForever) == FuriStatusOk);
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CliCommandTree_set_at(cli->commands, name_str, c);
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furi_check(furi_mutex_release(cli->mutex) == FuriStatusOk);
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furi_string_free(name_str);
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}
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void cli_delete_command(Cli* cli, const char* name) {
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FuriString* name_str;
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name_str = furi_string_alloc_set(name);
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furi_string_trim(name_str);
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size_t name_replace;
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do {
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name_replace = furi_string_replace(name_str, " ", "_");
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} while(name_replace != FURI_STRING_FAILURE);
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furi_check(furi_mutex_acquire(cli->mutex, FuriWaitForever) == FuriStatusOk);
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CliCommandTree_erase(cli->commands, name_str);
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furi_check(furi_mutex_release(cli->mutex) == FuriStatusOk);
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furi_string_free(name_str);
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}
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void cli_session_open(Cli* cli, void* session) {
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furi_assert(cli);
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furi_check(furi_mutex_acquire(cli->mutex, FuriWaitForever) == FuriStatusOk);
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cli->session = session;
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if(cli->session != NULL) {
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cli->session->init();
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furi_thread_set_stdout_callback(cli->session->tx_stdout);
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} else {
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furi_thread_set_stdout_callback(NULL);
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}
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furi_semaphore_release(cli->idle_sem);
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furi_check(furi_mutex_release(cli->mutex) == FuriStatusOk);
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}
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void cli_session_close(Cli* cli) {
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furi_assert(cli);
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furi_check(furi_mutex_acquire(cli->mutex, FuriWaitForever) == FuriStatusOk);
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if(cli->session != NULL) {
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cli->session->deinit();
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}
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cli->session = NULL;
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furi_thread_set_stdout_callback(NULL);
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furi_check(furi_mutex_release(cli->mutex) == FuriStatusOk);
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}
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int32_t cli_srv(void* p) {
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UNUSED(p);
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Cli* cli = cli_alloc();
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// Init basic cli commands
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cli_commands_init(cli);
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furi_record_create(RECORD_CLI, cli);
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if(cli->session != NULL) {
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furi_thread_set_stdout_callback(cli->session->tx_stdout);
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} else {
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furi_thread_set_stdout_callback(NULL);
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}
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if(furi_hal_rtc_get_boot_mode() == FuriHalRtcBootModeNormal) {
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cli_session_open(cli, &cli_vcp);
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} else {
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FURI_LOG_W(TAG, "Skipped CLI session open: device in special startup mode");
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}
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while(1) {
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if(cli->session != NULL) {
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cli_process_input(cli);
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} else {
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furi_check(furi_semaphore_acquire(cli->idle_sem, FuriWaitForever) == FuriStatusOk);
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}
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}
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return 0;
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}
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