Merge branch 'dev' into nestednonces

applications/main/subghz/subghz_cli.c

@@ -999,13 +999,12 @@ static void subghz_cli_command_chat(Cli* cli, FuriString* args) {
         chat_event = subghz_chat_worker_get_event_chat(subghz_chat);
         switch(chat_event.event) {
         case SubGhzChatEventInputData:
-            if(chat_event.c == CliSymbolAsciiETX) {
+            if(chat_event.c == CliKeyETX) {
                 printf("\r\n");
                 chat_event.event = SubGhzChatEventUserExit;
                 subghz_chat_worker_put_event_chat(subghz_chat, &chat_event);
                 break;
-            } else if(
+            } else if((chat_event.c == CliKeyBackspace) || (chat_event.c == CliKeyDEL)) {
-                (chat_event.c == CliSymbolAsciiBackspace) || (chat_event.c == CliSymbolAsciiDel)) {
                 size_t len = furi_string_utf8_length(input);
                 if(len > furi_string_utf8_length(name)) {
                     printf("%s", "\e[D\e[1P");
@@ -1027,7 +1026,7 @@ static void subghz_cli_command_chat(Cli* cli, FuriString* args) {
                     }
                     furi_string_set(input, sysmsg);
                 }
-            } else if(chat_event.c == CliSymbolAsciiCR) {
+            } else if(chat_event.c == CliKeyCR) {
                 printf("\r\n");
                 furi_string_push_back(input, '\r');
                 furi_string_push_back(input, '\n');
@@ -1041,7 +1040,7 @@ static void subghz_cli_command_chat(Cli* cli, FuriString* args) {
                 furi_string_printf(input, "%s", furi_string_get_cstr(name));
                 printf("%s", furi_string_get_cstr(input));
                 fflush(stdout);
-            } else if(chat_event.c == CliSymbolAsciiLF) {
+            } else if(chat_event.c == CliKeyLF) {
                 //cut out the symbol \n
             } else {
                 putc(chat_event.c, stdout);

applications/main/subghz/subghz_cli.h

@@ -1,5 +1,6 @@
 #pragma once
 
 #include <cli/cli.h>
+#include <cli/cli_ansi.h>
 
 void subghz_on_system_start(void);

applications/services/cli/cli.c

@@ -1,12 +1,15 @@
 #include "cli_i.h"
 #include "cli_commands.h"
 #include "cli_vcp.h"
+#include "cli_ansi.h"
 #include <furi_hal_version.h>
 #include <loader/loader.h>
 
 #define TAG "CliSrv"
 
 #define CLI_INPUT_LEN_LIMIT 256
+#define CLI_PROMPT          ">: " // qFlipper does not recognize us if we use escape sequences :(
+#define CLI_PROMPT_LENGTH   3 // printable characters
 
 Cli* cli_alloc(void) {
     Cli* cli = malloc(sizeof(Cli));
@@ -85,7 +88,7 @@ bool cli_cmd_interrupt_received(Cli* cli) {
     char c = '\0';
     if(cli_is_connected(cli)) {
         if(cli->session->rx((uint8_t*)&c, 1, 0) == 1) {
-            return c == CliSymbolAsciiETX;
+            return c == CliKeyETX;
         }
     } else {
         return true;
@@ -102,7 +105,8 @@ void cli_print_usage(const char* cmd, const char* usage, const char* arg) {
 }
 
 void cli_motd(void) {
-    printf("\r\n"
+    printf(ANSI_FLIPPER_BRAND_ORANGE
+           "\r\n"
            "              _.-------.._                    -,\r\n"
            "          .-\"```\"--..,,_/ /`-,               -,  \\ \r\n"
            "       .:\"          /:/  /'\\  \\     ,_...,  `. |  |\r\n"
@@ -116,12 +120,11 @@ void cli_motd(void) {
            " _L_  _     ___  ___  ___  ___  ____--\"`___  _     ___\r\n"
            "| __|| |   |_ _|| _ \\| _ \\| __|| _ \\   / __|| |   |_ _|\r\n"
            "| _| | |__  | | |  _/|  _/| _| |   /  | (__ | |__  | |\r\n"
-           "|_|  |____||___||_|  |_|  |___||_|_\\   \\___||____||___|\r\n"
+           "|_|  |____||___||_|  |_|  |___||_|_\\   \\___||____||___|\r\n" ANSI_RESET
-           "\r\n"
+           "\r\n" ANSI_FG_BR_WHITE "Welcome to " ANSI_FLIPPER_BRAND_ORANGE
-           "Welcome to Flipper Zero Command Line Interface!\r\n"
+           "Flipper Zero" ANSI_FG_BR_WHITE " Command Line Interface!\r\n"
            "Read the manual: https://docs.flipper.net/development/cli\r\n"
-           "Run `help` or `?` to list available commands\r\n"
+           "Run `help` or `?` to list available commands\r\n" ANSI_RESET "\r\n");
-           "\r\n");
 
     const Version* firmware_version = furi_hal_version_get_firmware_version();
     if(firmware_version) {
@@ -142,7 +145,7 @@ void cli_nl(Cli* cli) {
 
 void cli_prompt(Cli* cli) {
     UNUSED(cli);
-    printf("\r\n>: %s", furi_string_get_cstr(cli->line));
+    printf("\r\n" CLI_PROMPT "%s", furi_string_get_cstr(cli->line));
     fflush(stdout);
 }
 
@@ -165,7 +168,7 @@ static void cli_handle_backspace(Cli* cli) {
 
         cli->cursor_position--;
     } else {
-        cli_putc(cli, CliSymbolAsciiBell);
+        cli_putc(cli, CliKeyBell);
     }
 }
 
@@ -241,7 +244,7 @@ static void cli_handle_enter(Cli* cli) {
         printf(
             "`%s` command not found, use `help` or `?` to list all available commands",
             furi_string_get_cstr(command));
-        cli_putc(cli, CliSymbolAsciiBell);
+        cli_putc(cli, CliKeyBell);
     }
 
     cli_reset(cli);
@@ -305,8 +308,85 @@ static void cli_handle_autocomplete(Cli* cli) {
     cli_prompt(cli);
 }
 
-static void cli_handle_escape(Cli* cli, char c) {
+typedef enum {
-    if(c == 'A') {
+    CliCharClassWord,
+    CliCharClassSpace,
+    CliCharClassOther,
+} CliCharClass;
+
+/**
+ * @brief Determines the class that a character belongs to
+ * 
+ * The return value of this function should not be used on its own; it should
+ * only be used for comparing it with other values returned by this function.
+ * This function is used internally in `cli_skip_run`.
+ */
+static CliCharClass cli_char_class(char c) {
+    if((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '_') {
+        return CliCharClassWord;
+    } else if(c == ' ') {
+        return CliCharClassSpace;
+    } else {
+        return CliCharClassOther;
+    }
+}
+
+typedef enum {
+    CliSkipDirectionLeft,
+    CliSkipDirectionRight,
+} CliSkipDirection;
+
+/**
+ * @brief Skips a run of a class of characters
+ * 
+ * @param string Input string
+ * @param original_pos Position to start the search at
+ * @param direction Direction in which to perform the search
+ * @returns The position at which the run ends
+ */
+static size_t cli_skip_run(FuriString* string, size_t original_pos, CliSkipDirection direction) {
+    if(furi_string_size(string) == 0) return original_pos;
+    if(direction == CliSkipDirectionLeft && original_pos == 0) return original_pos;
+    if(direction == CliSkipDirectionRight && original_pos == furi_string_size(string))
+        return original_pos;
+
+    int8_t look_offset = (direction == CliSkipDirectionLeft) ? -1 : 0;
+    int8_t increment = (direction == CliSkipDirectionLeft) ? -1 : 1;
+    int32_t position = original_pos;
+    CliCharClass start_class =
+        cli_char_class(furi_string_get_char(string, position + look_offset));
+
+    while(true) {
+        position += increment;
+        if(position < 0) break;
+        if(position >= (int32_t)furi_string_size(string)) break;
+        if(cli_char_class(furi_string_get_char(string, position + look_offset)) != start_class)
+            break;
+    }
+
+    return MAX(0, position);
+}
+
+void cli_process_input(Cli* cli) {
+    CliKeyCombo combo = cli_read_ansi_key_combo(cli);
+    FURI_LOG_T(TAG, "code=0x%02x, mod=0x%x\r\n", combo.key, combo.modifiers);
+
+    if(combo.key == CliKeyTab) {
+        cli_handle_autocomplete(cli);
+
+    } else if(combo.key == CliKeySOH) {
+        furi_delay_ms(33); // We are too fast, Minicom is not ready yet
+        cli_motd();
+        cli_prompt(cli);
+
+    } else if(combo.key == CliKeyETX) {
+        cli_reset(cli);
+        cli_prompt(cli);
+
+    } else if(combo.key == CliKeyEOT) {
+        cli_reset(cli);
+
+    } else if(combo.key == CliKeyUp && combo.modifiers == CliModKeyNo) {
         // Use previous command if line buffer is empty
         if(furi_string_size(cli->line) == 0 && furi_string_cmp(cli->line, cli->last_line) != 0) {
             // Set line buffer and cursor position
@@ -315,67 +395,85 @@ static void cli_handle_escape(Cli* cli, char c) {
             // Show new line to user
             printf("%s", furi_string_get_cstr(cli->line));
         }
-    } else if(c == 'B') {
+
-    } else if(c == 'C') {
+    } else if(combo.key == CliKeyDown && combo.modifiers == CliModKeyNo) {
+        // Clear input buffer
+        furi_string_reset(cli->line);
+        cli->cursor_position = 0;
+        printf("\r" CLI_PROMPT "\e[0K");
+
+    } else if(combo.key == CliKeyRight && combo.modifiers == CliModKeyNo) {
+        // Move right
         if(cli->cursor_position < furi_string_size(cli->line)) {
             cli->cursor_position++;
             printf("\e[C");
         }
-    } else if(c == 'D') {
+
+    } else if(combo.key == CliKeyLeft && combo.modifiers == CliModKeyNo) {
+        // Move left
         if(cli->cursor_position > 0) {
             cli->cursor_position--;
             printf("\e[D");
         }
-    }
-    fflush(stdout);
-}
 
-void cli_process_input(Cli* cli) {
+    } else if(combo.key == CliKeyHome && combo.modifiers == CliModKeyNo) {
-    char in_chr = cli_getc(cli);
+        // Move to beginning of line
-    size_t rx_len;
+        cli->cursor_position = 0;
+        printf("\e[%uG", CLI_PROMPT_LENGTH + 1); // columns start at 1 \(-_-)/
+
+    } else if(combo.key == CliKeyEnd && combo.modifiers == CliModKeyNo) {
+        // Move to end of line
+        cli->cursor_position = furi_string_size(cli->line);
+        printf("\e[%zuG", CLI_PROMPT_LENGTH + cli->cursor_position + 1);
 
-    if(in_chr == CliSymbolAsciiTab) {
-        cli_handle_autocomplete(cli);
-    } else if(in_chr == CliSymbolAsciiSOH) {
-        furi_delay_ms(33); // We are too fast, Minicom is not ready yet
-        cli_motd();
-        cli_prompt(cli);
-    } else if(in_chr == CliSymbolAsciiETX) {
-        cli_reset(cli);
-        cli_prompt(cli);
-    } else if(in_chr == CliSymbolAsciiEOT) {
-        cli_reset(cli);
-    } else if(in_chr == CliSymbolAsciiEsc) {
-        rx_len = cli_read(cli, (uint8_t*)&in_chr, 1);
-        if((rx_len > 0) && (in_chr == '[')) {
-            cli_read(cli, (uint8_t*)&in_chr, 1);
-            cli_handle_escape(cli, in_chr);
-        } else {
-            cli_putc(cli, CliSymbolAsciiBell);
-        }
-    } else if(in_chr == CliSymbolAsciiBackspace || in_chr == CliSymbolAsciiDel) {
-        cli_handle_backspace(cli);
-    } else if(in_chr == CliSymbolAsciiCR) {
-        cli_handle_enter(cli);
     } else if(
-        (in_chr >= 0x20 && in_chr < 0x7F) && //-V560
+        combo.modifiers == CliModKeyCtrl &&
+        (combo.key == CliKeyLeft || combo.key == CliKeyRight)) {
+        // Skip run of similar chars to the left or right
+        CliSkipDirection direction = (combo.key == CliKeyLeft) ? CliSkipDirectionLeft :
+                                                                 CliSkipDirectionRight;
+        cli->cursor_position = cli_skip_run(cli->line, cli->cursor_position, direction);
+        printf("\e[%zuG", CLI_PROMPT_LENGTH + cli->cursor_position + 1);
+
+    } else if(combo.key == CliKeyBackspace || combo.key == CliKeyDEL) {
+        cli_handle_backspace(cli);
+
+    } else if(combo.key == CliKeyETB) { // Ctrl + Backspace
+        // Delete run of similar chars to the left
+        size_t run_start = cli_skip_run(cli->line, cli->cursor_position, CliSkipDirectionLeft);
+        furi_string_replace_at(cli->line, run_start, cli->cursor_position - run_start, "");
+        cli->cursor_position = run_start;
+        printf(
+            "\e[%zuG%s\e[0K\e[%zuG", // move cursor, print second half of line, erase remains, move cursor again
+            CLI_PROMPT_LENGTH + cli->cursor_position + 1,
+            furi_string_get_cstr(cli->line) + run_start,
+            CLI_PROMPT_LENGTH + run_start + 1);
+
+    } else if(combo.key == CliKeyCR) {
+        cli_handle_enter(cli);
+
+    } else if(
+        (combo.key >= 0x20 && combo.key < 0x7F) && //-V560
         (furi_string_size(cli->line) < CLI_INPUT_LEN_LIMIT)) {
         if(cli->cursor_position == furi_string_size(cli->line)) {
-            furi_string_push_back(cli->line, in_chr);
+            furi_string_push_back(cli->line, combo.key);
-            cli_putc(cli, in_chr);
+            cli_putc(cli, combo.key);
         } else {
             // Insert character to line buffer
-            const char in_str[2] = {in_chr, 0};
+            const char in_str[2] = {combo.key, 0};
             furi_string_replace_at(cli->line, cli->cursor_position, 0, in_str);
 
             // Print character in replace mode
-            printf("\e[4h%c\e[4l", in_chr);
+            printf("\e[4h%c\e[4l", combo.key);
             fflush(stdout);
         }
         cli->cursor_position++;
+
     } else {
-        cli_putc(cli, CliSymbolAsciiBell);
+        cli_putc(cli, CliKeyBell);
     }
+
+    fflush(stdout);
 }
 
 void cli_add_command(

applications/services/cli/cli.h

@@ -10,26 +10,12 @@
 extern "C" {
 #endif
 
-typedef enum {
-    CliSymbolAsciiSOH = 0x01,
-    CliSymbolAsciiETX = 0x03,
-    CliSymbolAsciiEOT = 0x04,
-    CliSymbolAsciiBell = 0x07,
-    CliSymbolAsciiBackspace = 0x08,
-    CliSymbolAsciiTab = 0x09,
-    CliSymbolAsciiLF = 0x0A,
-    CliSymbolAsciiCR = 0x0D,
-    CliSymbolAsciiEsc = 0x1B,
-    CliSymbolAsciiUS = 0x1F,
-    CliSymbolAsciiSpace = 0x20,
-    CliSymbolAsciiDel = 0x7F,
-} CliSymbols;
-
 typedef enum {
     CliCommandFlagDefault = 0, /**< Default, loader lock is used */
     CliCommandFlagParallelSafe =
         (1 << 0), /**< Safe to run in parallel with other apps, loader lock is not used */
     CliCommandFlagInsomniaSafe = (1 << 1), /**< Safe to run with insomnia mode on */
+    CliCommandFlagHidden = (1 << 2), /**< Not shown in `help` */
 } CliCommandFlag;
 
 #define RECORD_CLI "cli"

applications/services/cli/cli_ansi.c

@@ -0,0 +1,76 @@
+#include "cli_ansi.h"
+
+/**
+ * @brief Converts a single character representing a special key into the enum
+ * representation
+ */
+static CliKey cli_ansi_key_from_mnemonic(char c) {
+    switch(c) {
+    case 'A':
+        return CliKeyUp;
+    case 'B':
+        return CliKeyDown;
+    case 'C':
+        return CliKeyRight;
+    case 'D':
+        return CliKeyLeft;
+    case 'F':
+        return CliKeyEnd;
+    case 'H':
+        return CliKeyHome;
+    default:
+        return CliKeyUnrecognized;
+    }
+}
+
+CliKeyCombo cli_read_ansi_key_combo(Cli* cli) {
+    char ch = cli_getc(cli);
+
+    if(ch != CliKeyEsc)
+        return (CliKeyCombo){
+            .modifiers = CliModKeyNo,
+            .key = ch,
+        };
+
+    ch = cli_getc(cli);
+
+    // ESC ESC -> ESC
+    if(ch == '\e')
+        return (CliKeyCombo){
+            .modifiers = CliModKeyNo,
+            .key = '\e',
+        };
+
+    // ESC <char> -> Alt + <char>
+    if(ch != '[')
+        return (CliKeyCombo){
+            .modifiers = CliModKeyAlt,
+            .key = cli_getc(cli),
+        };
+
+    ch = cli_getc(cli);
+
+    // ESC [ 1
+    if(ch == '1') {
+        // ESC [ 1 ; <modifier bitfield> <key mnemonic>
+        if(cli_getc(cli) == ';') {
+            CliModKey modifiers = (cli_getc(cli) - '0'); // convert following digit to a number
+            modifiers &= ~1;
+            return (CliKeyCombo){
+                .modifiers = modifiers,
+                .key = cli_ansi_key_from_mnemonic(cli_getc(cli)),
+            };
+        }
+
+        return (CliKeyCombo){
+            .modifiers = CliModKeyNo,
+            .key = CliKeyUnrecognized,
+        };
+    }
+
+    // ESC [ <key mnemonic>
+    return (CliKeyCombo){
+        .modifiers = CliModKeyNo,
+        .key = cli_ansi_key_from_mnemonic(ch),
+    };
+}

applications/services/cli/cli_ansi.h

@@ -0,0 +1,94 @@
+#pragma once
+
+#include "cli.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ANSI_RESET "\e[0m"
+#define ANSI_BOLD  "\e[1m"
+#define ANSI_FAINT "\e[2m"
+
+#define ANSI_FG_BLACK      "\e[30m"
+#define ANSI_FG_RED        "\e[31m"
+#define ANSI_FG_GREEN      "\e[32m"
+#define ANSI_FG_YELLOW     "\e[33m"
+#define ANSI_FG_BLUE       "\e[34m"
+#define ANSI_FG_MAGENTA    "\e[35m"
+#define ANSI_FG_CYAN       "\e[36m"
+#define ANSI_FG_WHITE      "\e[37m"
+#define ANSI_FG_BR_BLACK   "\e[90m"
+#define ANSI_FG_BR_RED     "\e[91m"
+#define ANSI_FG_BR_GREEN   "\e[92m"
+#define ANSI_FG_BR_YELLOW  "\e[93m"
+#define ANSI_FG_BR_BLUE    "\e[94m"
+#define ANSI_FG_BR_MAGENTA "\e[95m"
+#define ANSI_FG_BR_CYAN    "\e[96m"
+#define ANSI_FG_BR_WHITE   "\e[97m"
+
+#define ANSI_BG_BLACK      "\e[40m"
+#define ANSI_BG_RED        "\e[41m"
+#define ANSI_BG_GREEN      "\e[42m"
+#define ANSI_BG_YELLOW     "\e[43m"
+#define ANSI_BG_BLUE       "\e[44m"
+#define ANSI_BG_MAGENTA    "\e[45m"
+#define ANSI_BG_CYAN       "\e[46m"
+#define ANSI_BG_WHITE      "\e[47m"
+#define ANSI_BG_BR_BLACK   "\e[100m"
+#define ANSI_BG_BR_RED     "\e[101m"
+#define ANSI_BG_BR_GREEN   "\e[102m"
+#define ANSI_BG_BR_YELLOW  "\e[103m"
+#define ANSI_BG_BR_BLUE    "\e[104m"
+#define ANSI_BG_BR_MAGENTA "\e[105m"
+#define ANSI_BG_BR_CYAN    "\e[106m"
+#define ANSI_BG_BR_WHITE   "\e[107m"
+
+#define ANSI_FLIPPER_BRAND_ORANGE "\e[38;2;255;130;0m"
+
+typedef enum {
+    CliKeyUnrecognized = 0,
+
+    CliKeySOH = 0x01,
+    CliKeyETX = 0x03,
+    CliKeyEOT = 0x04,
+    CliKeyBell = 0x07,
+    CliKeyBackspace = 0x08,
+    CliKeyTab = 0x09,
+    CliKeyLF = 0x0A,
+    CliKeyCR = 0x0D,
+    CliKeyETB = 0x17,
+    CliKeyEsc = 0x1B,
+    CliKeyUS = 0x1F,
+    CliKeySpace = 0x20,
+    CliKeyDEL = 0x7F,
+
+    CliKeySpecial = 0x80,
+    CliKeyLeft,
+    CliKeyRight,
+    CliKeyUp,
+    CliKeyDown,
+    CliKeyHome,
+    CliKeyEnd,
+} CliKey;
+
+typedef enum {
+    CliModKeyNo = 0,
+    CliModKeyAlt = 2,
+    CliModKeyCtrl = 4,
+    CliModKeyMeta = 8,
+} CliModKey;
+
+typedef struct {
+    CliModKey modifiers;
+    CliKey key;
+} CliKeyCombo;
+
+/**
+ * @brief Reads a key or key combination
+ */
+CliKeyCombo cli_read_ansi_key_combo(Cli* cli);
+
+#ifdef __cplusplus
+}
+#endif

applications/services/cli/cli_commands.c

@@ -1,5 +1,6 @@
 #include "cli_commands.h"
 #include "cli_command_gpio.h"
+#include "cli_ansi.h"
 
 #include <core/thread.h>
 #include <furi_hal.h>
@@ -10,6 +11,7 @@
 #include <loader/loader.h>
 #include <lib/toolbox/args.h>
 #include <lib/toolbox/strint.h>
+#include <storage/storage.h>
 
 // Close to ISO, `date +'%Y-%m-%d %H:%M:%S %u'`
 #define CLI_DATE_FORMAT "%.4d-%.2d-%.2d %.2d:%.2d:%.2d %d"
@@ -52,37 +54,196 @@ void cli_command_info(Cli* cli, FuriString* args, void* context) {
     }
 }
 
-void cli_command_help(Cli* cli, FuriString* args, void* context) {
+// Lil Easter egg :>
+void cli_command_neofetch(Cli* cli, FuriString* args, void* context) {
+    UNUSED(cli);
     UNUSED(args);
     UNUSED(context);
+
+    static const char* const neofetch_logo[] = {
+        "            _.-------.._                    -,",
+        "        .-\"```\"--..,,_/ /`-,               -,  \\ ",
+        "     .:\"          /:/  /'\\  \\     ,_...,  `. |  |",
+        "    /       ,----/:/  /`\\ _\\~`_-\"`     _;",
+        "   '      / /`\"\"\"'\\ \\ \\.~`_-'      ,-\"'/ ",
+        "  |      | |  0    | | .-'      ,/`  /",
+        " |    ,..\\ \\     ,.-\"`       ,/`    /",
+        ";    :    `/`\"\"\\`           ,/--==,/-----,",
+        "|    `-...|        -.___-Z:_______J...---;",
+        ":         `                           _-'",
+    };
+#define NEOFETCH_COLOR ANSI_FLIPPER_BRAND_ORANGE
+
+    // Determine logo parameters
+    size_t logo_height = COUNT_OF(neofetch_logo), logo_width = 0;
+    for(size_t i = 0; i < logo_height; i++)
+        logo_width = MAX(logo_width, strlen(neofetch_logo[i]));
+    logo_width += 4; // space between logo and info
+
+    // Format hostname delimiter
+    const size_t size_of_hostname = 4 + strlen(furi_hal_version_get_name_ptr());
+    char delimiter[64];
+    memset(delimiter, '-', size_of_hostname);
+    delimiter[size_of_hostname] = '\0';
+
+    // Get heap info
+    size_t heap_total = memmgr_get_total_heap();
+    size_t heap_used = heap_total - memmgr_get_free_heap();
+    uint16_t heap_percent = (100 * heap_used) / heap_total;
+
+    // Get storage info
+    Storage* storage = furi_record_open(RECORD_STORAGE);
+    uint64_t ext_total, ext_free, ext_used, ext_percent;
+    storage_common_fs_info(storage, "/ext", &ext_total, &ext_free);
+    ext_used = ext_total - ext_free;
+    ext_percent = (100 * ext_used) / ext_total;
+    ext_used /= 1024 * 1024;
+    ext_total /= 1024 * 1024;
+    furi_record_close(RECORD_STORAGE);
+
+    // Get battery info
+    uint16_t charge_percent = furi_hal_power_get_pct();
+    const char* charge_state;
+    if(furi_hal_power_is_charging()) {
+        if((charge_percent < 100) && (!furi_hal_power_is_charging_done())) {
+            charge_state = "charging";
+        } else {
+            charge_state = "charged";
+        }
+    } else {
+        charge_state = "discharging";
+    }
+
+    // Get misc info
+    uint32_t uptime = furi_get_tick() / furi_kernel_get_tick_frequency();
+    const Version* version = version_get();
+    uint16_t major, minor;
+    furi_hal_info_get_api_version(&major, &minor);
+
+    // Print ASCII art with info
+    const size_t info_height = 16;
+    for(size_t i = 0; i < MAX(logo_height, info_height); i++) {
+        printf(NEOFETCH_COLOR "%-*s", logo_width, (i < logo_height) ? neofetch_logo[i] : "");
+        switch(i) {
+        case 0: // you@<hostname>
+            printf("you" ANSI_RESET "@" NEOFETCH_COLOR "%s", furi_hal_version_get_name_ptr());
+            break;
+        case 1: // delimiter
+            printf(ANSI_RESET "%s", delimiter);
+            break;
+        case 2: // OS: FURI <edition> <branch> <version> <commit> (SDK <maj>.<min>)
+            printf(
+                "OS" ANSI_RESET ": FURI %s %s %s %s (SDK %hu.%hu)",
+                version_get_version(version),
+                version_get_gitbranch(version),
+                version_get_version(version),
+                version_get_githash(version),
+                major,
+                minor);
+            break;
+        case 3: // Host: <model> <hostname>
+            printf(
+                "Host" ANSI_RESET ": %s %s",
+                furi_hal_version_get_model_code(),
+                furi_hal_version_get_device_name_ptr());
+            break;
+        case 4: // Kernel: FreeRTOS <maj>.<min>.<build>
+            printf(
+                "Kernel" ANSI_RESET ": FreeRTOS %d.%d.%d",
+                tskKERNEL_VERSION_MAJOR,
+                tskKERNEL_VERSION_MINOR,
+                tskKERNEL_VERSION_BUILD);
+            break;
+        case 5: // Uptime: ?h?m?s
+            printf(
+                "Uptime" ANSI_RESET ": %luh%lum%lus",
+                uptime / 60 / 60,
+                uptime / 60 % 60,
+                uptime % 60);
+            break;
+        case 6: // ST7567 128x64 @ 1 bpp in 1.4"
+            printf("Display" ANSI_RESET ": ST7567 128x64 @ 1 bpp in 1.4\"");
+            break;
+        case 7: // DE: GuiSrv
+            printf("DE" ANSI_RESET ": GuiSrv");
+            break;
+        case 8: // Shell: CliSrv
+            printf("Shell" ANSI_RESET ": CliSrv");
+            break;
+        case 9: // CPU: STM32WB55RG @ 64 MHz
+            printf("CPU" ANSI_RESET ": STM32WB55RG @ 64 MHz");
+            break;
+        case 10: // Memory: <used> / <total> B (??%)
+            printf(
+                "Memory" ANSI_RESET ": %zu / %zu B (%hu%%)", heap_used, heap_total, heap_percent);
+            break;
+        case 11: // Disk (/ext): <used> / <total> MiB (??%)
+            printf(
+                "Disk (/ext)" ANSI_RESET ": %llu / %llu MiB (%llu%%)",
+                ext_used,
+                ext_total,
+                ext_percent);
+            break;
+        case 12: // Battery: ??% (<state>)
+            printf("Battery" ANSI_RESET ": %hu%% (%s)" ANSI_RESET, charge_percent, charge_state);
+            break;
+        case 13: // empty space
+            break;
+        case 14: // Colors (line 1)
+            for(size_t j = 30; j <= 37; j++)
+                printf("\e[%dm███", j);
+            break;
+        case 15: // Colors (line 2)
+            for(size_t j = 90; j <= 97; j++)
+                printf("\e[%dm███", j);
+            break;
+        default:
+            break;
+        }
+        printf("\r\n");
+    }
+    printf(ANSI_RESET);
+#undef NEOFETCH_COLOR
+}
+
+void cli_command_help(Cli* cli, FuriString* args, void* context) {
+    UNUSED(context);
     printf("Commands available:");
 
-    // Command count
+    // Count non-hidden commands
-    const size_t commands_count = CliCommandTree_size(cli->commands);
+    CliCommandTree_it_t it_count;
-    const size_t commands_count_mid = commands_count / 2 + commands_count % 2;
+    CliCommandTree_it(it_count, cli->commands);
+    size_t commands_count = 0;
+    while(!CliCommandTree_end_p(it_count)) {
+        if(!(CliCommandTree_cref(it_count)->value_ptr->flags & CliCommandFlagHidden))
+            commands_count++;
+        CliCommandTree_next(it_count);
+    }
 
-    // Use 2 iterators from start and middle to show 2 columns
+    // Create iterators starting at different positions
-    CliCommandTree_it_t it_left;
+    const size_t columns = 3;
-    CliCommandTree_it(it_left, cli->commands);
+    const size_t commands_per_column = (commands_count / columns) + (commands_count % columns);
-    CliCommandTree_it_t it_right;
+    CliCommandTree_it_t iterators[columns];
-    CliCommandTree_it(it_right, cli->commands);
+    for(size_t c = 0; c < columns; c++) {
-    for(size_t i = 0; i < commands_count_mid; i++)
+        CliCommandTree_it(iterators[c], cli->commands);
-        CliCommandTree_next(it_right);
+        for(size_t i = 0; i < c * commands_per_column; i++)
+            CliCommandTree_next(iterators[c]);
+    }
 
-    // Iterate throw tree
+    // Print commands
-    for(size_t i = 0; i < commands_count_mid; i++) {
+    for(size_t r = 0; r < commands_per_column; r++) {
         printf("\r\n");
-        // Left Column
+
-        if(!CliCommandTree_end_p(it_left)) {
+        for(size_t c = 0; c < columns; c++) {
-            printf("%-30s", furi_string_get_cstr(*CliCommandTree_ref(it_left)->key_ptr));
+            if(!CliCommandTree_end_p(iterators[c])) {
-            CliCommandTree_next(it_left);
+                const CliCommandTree_itref_t* item = CliCommandTree_cref(iterators[c]);
+                if(!(item->value_ptr->flags & CliCommandFlagHidden)) {
+                    printf("%-30s", furi_string_get_cstr(*item->key_ptr));
+                }
+                CliCommandTree_next(iterators[c]);
+            }
         }
-        // Right Column
+    }
-        if(!CliCommandTree_end_p(it_right)) {
-            printf("%s", furi_string_get_cstr(*CliCommandTree_ref(it_right)->key_ptr));
-            CliCommandTree_next(it_right);
-        }
-    };
 
     if(furi_string_size(args) > 0) {
         cli_nl(cli);
@@ -391,16 +552,18 @@ static void cli_command_top(Cli* cli, FuriString* args, void* context) {
     int interval = 1000;
     args_read_int_and_trim(args, &interval);
 
+    if(interval) printf("\e[2J\e[?25l"); // Clear display, hide cursor
+
     FuriThreadList* thread_list = furi_thread_list_alloc();
     while(!cli_cmd_interrupt_received(cli)) {
         uint32_t tick = furi_get_tick();
         furi_thread_enumerate(thread_list);
 
-        if(interval) printf("\e[2J\e[0;0f"); // Clear display and return to 0
+        if(interval) printf("\e[0;0f"); // Return to 0,0
 
         uint32_t uptime = tick / furi_kernel_get_tick_frequency();
         printf(
-            "Threads: %zu, ISR Time: %0.2f%%, Uptime: %luh%lum%lus\r\n",
+            "\rThreads: %zu, ISR Time: %0.2f%%, Uptime: %luh%lum%lus\e[0K\r\n",
             furi_thread_list_size(thread_list),
             (double)furi_thread_list_get_isr_time(thread_list),
             uptime / 60 / 60,
@@ -408,14 +571,14 @@ static void cli_command_top(Cli* cli, FuriString* args, void* context) {
             uptime % 60);
 
         printf(
-            "Heap: total %zu, free %zu, minimum %zu, max block %zu\r\n\r\n",
+            "\rHeap: total %zu, free %zu, minimum %zu, max block %zu\e[0K\r\n\r\n",
             memmgr_get_total_heap(),
             memmgr_get_free_heap(),
             memmgr_get_minimum_free_heap(),
             memmgr_heap_get_max_free_block());
 
         printf(
-            "%-17s %-20s %-10s %5s %12s %6s %10s %7s %5s\r\n",
+            "\r%-17s %-20s %-10s %5s %12s %6s %10s %7s %5s\e[0K\r\n",
             "AppID",
             "Name",
             "State",
@@ -429,7 +592,7 @@ static void cli_command_top(Cli* cli, FuriString* args, void* context) {
         for(size_t i = 0; i < furi_thread_list_size(thread_list); i++) {
             const FuriThreadListItem* item = furi_thread_list_get_at(thread_list, i);
             printf(
-                "%-17s %-20s %-10s %5d   0x%08lx %6lu %10lu %7zu %5.1f\r\n",
+                "\r%-17s %-20s %-10s %5d   0x%08lx %6lu %10lu %7zu %5.1f\e[0K\r\n",
                 item->app_id,
                 item->name,
                 item->state,
@@ -448,6 +611,8 @@ static void cli_command_top(Cli* cli, FuriString* args, void* context) {
         }
     }
     furi_thread_list_free(thread_list);
+
+    if(interval) printf("\e[?25h"); // Show cursor
 }
 
 void cli_command_free(Cli* cli, FuriString* args, void* context) {
@@ -499,6 +664,12 @@ void cli_commands_init(Cli* cli) {
     cli_add_command(cli, "!", CliCommandFlagParallelSafe, cli_command_info, (void*)true);
     cli_add_command(cli, "info", CliCommandFlagParallelSafe, cli_command_info, NULL);
     cli_add_command(cli, "device_info", CliCommandFlagParallelSafe, cli_command_info, (void*)true);
+    cli_add_command(
+        cli,
+        "neofetch",
+        CliCommandFlagParallelSafe | CliCommandFlagHidden,
+        cli_command_neofetch,
+        NULL);
 
     cli_add_command(cli, "?", CliCommandFlagParallelSafe, cli_command_help, NULL);
     cli_add_command(cli, "help", CliCommandFlagParallelSafe, cli_command_help, NULL);

applications/services/crypto/crypto_cli.c

@@ -3,6 +3,7 @@
 
 #include <lib/toolbox/args.h>
 #include <cli/cli.h>
+#include <cli/cli_ansi.h>
 
 void crypto_cli_print_usage(void) {
     printf("Usage:\r\n");
@@ -45,14 +46,14 @@ void crypto_cli_encrypt(Cli* cli, FuriString* args) {
         input = furi_string_alloc();
         char c;
         while(cli_read(cli, (uint8_t*)&c, 1) == 1) {
-            if(c == CliSymbolAsciiETX) {
+            if(c == CliKeyETX) {
                 printf("\r\n");
                 break;
             } else if(c >= 0x20 && c < 0x7F) {
                 putc(c, stdout);
                 fflush(stdout);
                 furi_string_push_back(input, c);
-            } else if(c == CliSymbolAsciiCR) {
+            } else if(c == CliKeyCR) {
                 printf("\r\n");
                 furi_string_cat(input, "\r\n");
             }
@@ -120,14 +121,14 @@ void crypto_cli_decrypt(Cli* cli, FuriString* args) {
         hex_input = furi_string_alloc();
         char c;
         while(cli_read(cli, (uint8_t*)&c, 1) == 1) {
-            if(c == CliSymbolAsciiETX) {
+            if(c == CliKeyETX) {
                 printf("\r\n");
                 break;
             } else if(c >= 0x20 && c < 0x7F) {
                 putc(c, stdout);
                 fflush(stdout);
                 furi_string_push_back(hex_input, c);
-            } else if(c == CliSymbolAsciiCR) {
+            } else if(c == CliKeyCR) {
                 printf("\r\n");
             }
         }

applications/services/storage/storage_cli.c

@@ -2,6 +2,7 @@
 #include <furi_hal.h>
 
 #include <cli/cli.h>
+#include <cli/cli_ansi.h>
 #include <lib/toolbox/args.h>
 #include <lib/toolbox/dir_walk.h>
 #include <lib/toolbox/md5_calc.h>
@@ -224,7 +225,7 @@ static void storage_cli_write(Cli* cli, FuriString* path, FuriString* args) {
         while(true) {
             uint8_t symbol = cli_getc(cli);
 
-            if(symbol == CliSymbolAsciiETX) {
+            if(symbol == CliKeyETX) {
                 size_t write_size = read_index % buffer_size;
 
                 if(write_size > 0) {