diff --git a/.drone.yml b/.drone.yml index 7a9577fa5..9bcb35546 100644 --- a/.drone.yml +++ b/.drone.yml @@ -36,6 +36,7 @@ steps: - mkdir -p sd-card/nfc/assets - mkdir -p sd-card/infrared/assets - mkdir -p sd-card/unirf + - mkdir -p sd-card/rfidfuzzer - mkdir -p sd-card/badusb/layouts - cp assets/resources/badusb/layouts/* sd-card/badusb/layouts/ - cp assets/resources/subghz/assets/dangerous_settings sd-card/subghz/assets/dangerous_settings @@ -48,6 +49,7 @@ steps: - cp assets/resources/infrared/assets/projectors.ir sd-card/infrared/assets/projectors.ir - cp assets/resources/infrared/assets/audio.ir sd-card/infrared/assets/audio.ir - cp assets/resources/unirf/unirf_map_example.txt sd-card/unirf/unirf_map_example.txt + - cp assets/resources/rfidfuzzer/example_uids.txt sd-card/rfidfuzzer/example_uids.txt - cp assets/resources/Manifest sd-card/Manifest - zip -r artifacts-default/sd-card-${DRONE_TAG}.zip sd-card - rm -rf sd-card diff --git a/CHANGELOG.md b/CHANGELOG.md index 446907b46..584eee072 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,13 +1,7 @@ ### New changes -* [EM4100] RFID Fuzzer / FlipFrid plugin - upgrade (by @Ganapati & some fixes by @xMasterX) (PRs #54 #55) -* Updated universal remote assets (by @Amec0e) -* Arkanoid, TicTacToe, Barcode generator plugins excluded from releases to save space, you can enable it in `applications\meta` for your builds -* Moved Music Player to Games menu -* OFW: NFC collect params for mfkey32 attack & Fix iso14443-4 (DESFire) UID emulation -* OFW: IR CLI Decode Command -* OFW: SubGhz: add protocol Clemsa, fix decoder BETT -* OFW: LF RFID - Keri, Gallagher protocols support -* OFW: Other small changes +* Set poweroff button timer to 2sec +* Debug apps (USB Mouse, UART Echo) now included in release build +* OFW: Toolchain update **Note: To avoid issues prefer installing using web updater or by self update package, all needed assets will be installed** diff --git a/ReadMe.md b/ReadMe.md index ffedcad5b..ac89674cd 100644 --- a/ReadMe.md +++ b/ReadMe.md @@ -60,8 +60,8 @@ See changelog in releases for latest updates! - ESP8266 Deauther plugin [(by SequoiaSan)](https://github.com/SequoiaSan/FlipperZero-Wifi-ESP8266-Deauther-Module) - WiFi Scanner plugin [(by SequoiaSan)](https://github.com/SequoiaSan/FlipperZero-WiFi-Scanner_Module) - MultiConverter plugin [(by theisolinearchip)](https://github.com/theisolinearchip/flipperzero_stuff) -- `Excluded from releases` - WAV player plugin (fixed) [(OFW: DrZlo13)](https://github.com/flipperdevices/flipperzero-firmware/tree/zlo/wav-player) -- `Excluded from releases` - UPC-A Barcode generator plugin [(by McAzzaMan)](https://github.com/McAzzaMan/flipperzero-firmware/tree/UPC-A_Barcode_Generator/applications/barcode_generator) +- WAV player plugin (fixed) [(OFW: DrZlo13)](https://github.com/flipperdevices/flipperzero-firmware/tree/zlo/wav-player) +- UPC-A Barcode generator plugin [(by McAzzaMan)](https://github.com/McAzzaMan/flipperzero-firmware/tree/UPC-A_Barcode_Generator/applications/barcode_generator) - GPIO: Sentry Safe plugin [(by H4ckd4ddy)](https://github.com/H4ckd4ddy/flipperzero-sentry-safe-plugin) - ESP32: WiFi Marauder companion plugin [(by 0xchocolate)](https://github.com/0xchocolate/flipperzero-firmware-with-wifi-marauder-companion) - NRF24: Sniffer & MouseJacker (with changes) [(by mothball187)](https://github.com/mothball187/flipperzero-nrf24/tree/main/mousejacker) @@ -69,8 +69,8 @@ See changelog in releases for latest updates! - UniversalRF Remix / Sub-GHz Remote [(by ESurge)](https://github.com/ESurge/flipperzero-firmware-unirfremix)[(updated and all protocol support added by darmiel & xMasterX)](https://github.com/darmiel/flipper-playlist/tree/feat/unirf-protocols) - Tetris (with fixes) [(by jeffplang)](https://github.com/jeffplang/flipperzero-firmware/tree/tetris_game/applications/tetris_game) - Spectrum Analyzer (with changes) [(by jolcese)](https://github.com/jolcese/flipperzero-firmware/tree/spectrum/applications/spectrum_analyzer) - [Ultra Narrow mode & scan channels non-consecutively](https://github.com/theY4Kman/flipperzero-firmware/commits?author=theY4Kman) -- `Excluded from releases` - Arkanoid (with fixes) [(by gotnull)](https://github.com/gotnull/flipperzero-firmware-wPlugins) -- `Excluded from releases` - Tic Tac Toe (with fixes) [(by gotnull)](https://github.com/gotnull/flipperzero-firmware-wPlugins) +- Arkanoid (with fixes) [(by gotnull)](https://github.com/gotnull/flipperzero-firmware-wPlugins) +- Tic Tac Toe (with fixes) [(by gotnull)](https://github.com/gotnull/flipperzero-firmware-wPlugins) ### Other changes diff --git a/applications/debug_tools/application.fam b/applications/debug_tools/application.fam index 8cb495b0c..701115241 100644 --- a/applications/debug_tools/application.fam +++ b/applications/debug_tools/application.fam @@ -15,6 +15,16 @@ App( ], ) +App( + appid="debug_apps_lite", + name="Basic debug apps bundle", + apptype=FlipperAppType.METAPACKAGE, + provides=[ + "usb_mouse", + "uart_echo", + ], +) + App( appid="blink_test", name="Blink Test", diff --git a/applications/desktop/views/desktop_view_main.c b/applications/desktop/views/desktop_view_main.c index a3aa63707..397011a43 100644 --- a/applications/desktop/views/desktop_view_main.c +++ b/applications/desktop/views/desktop_view_main.c @@ -16,7 +16,7 @@ struct DesktopMainView { TimerHandle_t poweroff_timer; }; -#define DESKTOP_MAIN_VIEW_POWEROFF_TIMEOUT 3000 +#define DESKTOP_MAIN_VIEW_POWEROFF_TIMEOUT 2000 static void desktop_main_poweroff_timer_callback(TimerHandle_t timer) { DesktopMainView* main_view = pvTimerGetTimerID(timer); diff --git a/applications/meta/application.fam b/applications/meta/application.fam index 0fb5e1cd3..f12249642 100644 --- a/applications/meta/application.fam +++ b/applications/meta/application.fam @@ -46,8 +46,9 @@ App( provides=[ "snake_game", "tetris_game", - #"arkanoid_game", - #"tictactoe_game", + "arkanoid_game", + "tictactoe_game", + "wav_player", ], ) @@ -68,14 +69,13 @@ App( apptype=FlipperAppType.METAPACKAGE, provides=[ "picopass", - #"barcode_generator", + "barcode_generator", "mouse_jacker", "nrf_sniff", "sentry_safe", "wifi_marauder", "esp8266_deauth", "wifi_scanner", - #"wav_player", "multi_converter", "flipfrid", ], diff --git a/applications/music_player/application.fam b/applications/music_player/application.fam index f471a0598..9b57028ac 100644 --- a/applications/music_player/application.fam +++ b/applications/music_player/application.fam @@ -10,7 +10,7 @@ App( ], provides=["music_player_start"], stack_size=2 * 1024, - order=40, + order=45, ) App( diff --git a/applications/nrfsniff/nrfsniff.c b/applications/nrfsniff/nrfsniff.c index c56ee9fde..ab074f87f 100644 --- a/applications/nrfsniff/nrfsniff.c +++ b/applications/nrfsniff/nrfsniff.c @@ -35,13 +35,13 @@ typedef struct { char rate_text_fmt[] = "Transfer rate: %dMbps"; char sample_text_fmt[] = "Sample Time: %d ms"; -char channel_text_fmt[] = "Channel: %d"; +char channel_text_fmt[] = "Channel: %d Sniffing: %s"; char preamble_text_fmt[] = "Preamble: %02X"; -char sniff_text_fmt[] = "Sniffing: %s Found: %d"; +char sniff_text_fmt[] = "Found: %d Unique: %u"; char addresses_header_text[] = "Address,rate"; char sniffed_address_fmt[] = "%s,%d"; char rate_text[46]; -char channel_text[14]; +char channel_text[38]; char sample_text[32]; char preamble_text[14]; char sniff_text[38]; @@ -49,6 +49,7 @@ char sniffed_address[14]; uint8_t target_channel = 0; uint32_t found_count = 0; +uint32_t unique_saved_count = 0; uint32_t sample_time = DEFAULT_SAMPLE_TIME; uint8_t target_rate = 8; // rate can be either 8 (2Mbps) or 0 (1Mbps) uint8_t target_preamble[] = {0xAA, 0x00}; @@ -111,10 +112,10 @@ static void render_callback(Canvas* const canvas, void* ctx) { if(!sniffing_state) strcpy(sniffing, "No"); snprintf(rate_text, sizeof(rate_text), rate_text_fmt, (int)rate); - snprintf(channel_text, sizeof(channel_text), channel_text_fmt, (int)target_channel); + snprintf(channel_text, sizeof(channel_text), channel_text_fmt, (int)target_channel, sniffing); snprintf(sample_text, sizeof(sample_text), sample_text_fmt, (int)sample_time); //snprintf(preamble_text, sizeof(preamble_text), preamble_text_fmt, target_preamble[0]); - snprintf(sniff_text, sizeof(sniff_text), sniff_text_fmt, sniffing, found_count); + snprintf(sniff_text, sizeof(sniff_text), sniff_text_fmt, found_count, unique_saved_count); snprintf( sniffed_address, sizeof(sniffed_address), sniffed_address_fmt, top_address, (int)rate); canvas_draw_str_aligned(canvas, 10, 10, AlignLeft, AlignBottom, rate_text); @@ -203,6 +204,7 @@ static bool save_addr_to_file( notification_message(notification, &sequence_success); stream_free(stream); + unique_saved_count++; return true; } } @@ -287,8 +289,8 @@ static void wrap_up(Storage* storage, NotificationApp* notification) { if(ch <= LOGITECH_MAX_CHANNEL) { hexlify(addr, 5, top_address); - save_addr_to_file(storage, addr, 5, notification); found_count++; + save_addr_to_file(storage, addr, 5, notification); if(confirmed_idx < MAX_CONFIRMED) memcpy(confirmed[confirmed_idx++], addr, 5); break; } @@ -297,6 +299,7 @@ static void wrap_up(Storage* storage, NotificationApp* notification) { static void clear_cache() { found_count = 0; + unique_saved_count = 0; confirmed_idx = 0; candidate_idx = 0; target_channel = 2; diff --git a/applications/storage/storages/storage_int.c b/applications/storage/storages/storage_int.c index 0765a92dc..cae61f16e 100644 --- a/applications/storage/storages/storage_int.c +++ b/applications/storage/storages/storage_int.c @@ -9,7 +9,7 @@ /* When less than LFS_RESERVED_PAGES_COUNT are left free, creation & * modification of non-dot files is restricted */ -#define LFS_RESERVED_PAGES_COUNT 5 +#define LFS_RESERVED_PAGES_COUNT 3 typedef struct { const size_t start_address; diff --git a/applications/wav_player/application.fam b/applications/wav_player/application.fam index 9a1f48566..609c702f8 100644 --- a/applications/wav_player/application.fam +++ b/applications/wav_player/application.fam @@ -1,9 +1,9 @@ App( appid="wav_player", name="WAV Player", - apptype=FlipperAppType.PLUGIN, + apptype=FlipperAppType.GAME, entry_point="wav_player_app", cdefines=["APP_WAV_PLAYER"], stack_size=4 * 1024, - order=21, + order=46, ) diff --git a/fbt_options.py b/fbt_options.py index 4af585387..ab70ae8ae 100644 --- a/fbt_options.py +++ b/fbt_options.py @@ -86,7 +86,7 @@ FIRMWARE_APPS = { # Custom Games "custom_games", # Debug - "debug_apps", + "debug_apps_lite", ], "unit_tests": [ "basic_services", diff --git a/lib/lfs_config.h b/lib/lfs_config.h index 59b3c486e..ff8bc4b23 100644 --- a/lib/lfs_config.h +++ b/lib/lfs_config.h @@ -5,21 +5,26 @@ #ifdef FURI_NDEBUG #define LFS_NO_ASSERT #define LFS_ASSERT(x) -#else +#else #define LFS_ASSERT furi_assert #endif #define LFS_TAG "Lfs" +#ifdef FURI_LFS_DEBUG #define LFS_TRACE(...) FURI_LOG_T(LFS_TAG, __VA_ARGS__); #define LFS_DEBUG(...) FURI_LOG_D(LFS_TAG, __VA_ARGS__); +#else +#define LFS_TRACE(...) + +#define LFS_DEBUG(...) +#endif // FURI_LFS_DEBUG #define LFS_WARN(...) FURI_LOG_W(LFS_TAG, __VA_ARGS__); #define LFS_ERROR(...) FURI_LOG_E(LFS_TAG, __VA_ARGS__); - // Because crc #undef LFS_CONFIG @@ -35,16 +40,13 @@ #ifndef LFS_NO_ASSERT #include #endif -#if !defined(LFS_NO_DEBUG) || \ - !defined(LFS_NO_WARN) || \ - !defined(LFS_NO_ERROR) || \ - defined(LFS_YES_TRACE) +#if !defined(LFS_NO_DEBUG) || !defined(LFS_NO_WARN) || !defined(LFS_NO_ERROR) || \ + defined(LFS_YES_TRACE) #include #endif #ifdef __cplusplus -extern "C" -{ +extern "C" { #endif // Builtin functions, these may be replaced by more efficient @@ -66,21 +68,29 @@ static inline uint32_t lfs_aligndown(uint32_t a, uint32_t alignment) { } static inline uint32_t lfs_alignup(uint32_t a, uint32_t alignment) { - return lfs_aligndown(a + alignment-1, alignment); + return lfs_aligndown(a + alignment - 1, alignment); } // Find the smallest power of 2 greater than or equal to a static inline uint32_t lfs_npw2(uint32_t a) { #if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM)) - return 32 - __builtin_clz(a-1); + return 32 - __builtin_clz(a - 1); #else uint32_t r = 0; uint32_t s; a -= 1; - s = (a > 0xffff) << 4; a >>= s; r |= s; - s = (a > 0xff ) << 3; a >>= s; r |= s; - s = (a > 0xf ) << 2; a >>= s; r |= s; - s = (a > 0x3 ) << 1; a >>= s; r |= s; + s = (a > 0xffff) << 4; + a >>= s; + r |= s; + s = (a > 0xff) << 3; + a >>= s; + r |= s; + s = (a > 0xf) << 2; + a >>= s; + r |= s; + s = (a > 0x3) << 1; + a >>= s; + r |= s; return (r | (a >> 1)) + 1; #endif } @@ -114,20 +124,23 @@ static inline int lfs_scmp(uint32_t a, uint32_t b) { // Convert between 32-bit little-endian and native order static inline uint32_t lfs_fromle32(uint32_t a) { -#if !defined(LFS_NO_INTRINSICS) && ( \ - (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \ - (defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \ - (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) +#if !defined(LFS_NO_INTRINSICS) && \ + ((defined(BYTE_ORDER) && defined(ORDER_LITTLE_ENDIAN) && \ + BYTE_ORDER == ORDER_LITTLE_ENDIAN) || \ + (defined(__BYTE_ORDER) && defined(__ORDER_LITTLE_ENDIAN) && \ + __BYTE_ORDER == __ORDER_LITTLE_ENDIAN) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ + __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) return a; -#elif !defined(LFS_NO_INTRINSICS) && ( \ - (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \ - (defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \ - (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) +#elif !defined(LFS_NO_INTRINSICS) && \ + ((defined(BYTE_ORDER) && defined(ORDER_BIG_ENDIAN) && BYTE_ORDER == ORDER_BIG_ENDIAN) || \ + (defined(__BYTE_ORDER) && defined(__ORDER_BIG_ENDIAN) && \ + __BYTE_ORDER == __ORDER_BIG_ENDIAN) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \ + __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) return __builtin_bswap32(a); #else - return (((uint8_t*)&a)[0] << 0) | - (((uint8_t*)&a)[1] << 8) | - (((uint8_t*)&a)[2] << 16) | + return (((uint8_t*)&a)[0] << 0) | (((uint8_t*)&a)[1] << 8) | (((uint8_t*)&a)[2] << 16) | (((uint8_t*)&a)[3] << 24); #endif } @@ -138,21 +151,24 @@ static inline uint32_t lfs_tole32(uint32_t a) { // Convert between 32-bit big-endian and native order static inline uint32_t lfs_frombe32(uint32_t a) { -#if !defined(LFS_NO_INTRINSICS) && ( \ - (defined( BYTE_ORDER ) && defined( ORDER_LITTLE_ENDIAN ) && BYTE_ORDER == ORDER_LITTLE_ENDIAN ) || \ - (defined(__BYTE_ORDER ) && defined(__ORDER_LITTLE_ENDIAN ) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN ) || \ - (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) +#if !defined(LFS_NO_INTRINSICS) && \ + ((defined(BYTE_ORDER) && defined(ORDER_LITTLE_ENDIAN) && \ + BYTE_ORDER == ORDER_LITTLE_ENDIAN) || \ + (defined(__BYTE_ORDER) && defined(__ORDER_LITTLE_ENDIAN) && \ + __BYTE_ORDER == __ORDER_LITTLE_ENDIAN) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ + __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) return __builtin_bswap32(a); -#elif !defined(LFS_NO_INTRINSICS) && ( \ - (defined( BYTE_ORDER ) && defined( ORDER_BIG_ENDIAN ) && BYTE_ORDER == ORDER_BIG_ENDIAN ) || \ - (defined(__BYTE_ORDER ) && defined(__ORDER_BIG_ENDIAN ) && __BYTE_ORDER == __ORDER_BIG_ENDIAN ) || \ - (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) +#elif !defined(LFS_NO_INTRINSICS) && \ + ((defined(BYTE_ORDER) && defined(ORDER_BIG_ENDIAN) && BYTE_ORDER == ORDER_BIG_ENDIAN) || \ + (defined(__BYTE_ORDER) && defined(__ORDER_BIG_ENDIAN) && \ + __BYTE_ORDER == __ORDER_BIG_ENDIAN) || \ + (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \ + __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) return a; #else - return (((uint8_t*)&a)[0] << 24) | - (((uint8_t*)&a)[1] << 16) | - (((uint8_t*)&a)[2] << 8) | - (((uint8_t*)&a)[3] << 0); + return (((uint8_t*)&a)[0] << 24) | (((uint8_t*)&a)[1] << 16) | (((uint8_t*)&a)[2] << 8) | + (((uint8_t*)&a)[3] << 0); #endif } @@ -161,11 +177,11 @@ static inline uint32_t lfs_tobe32(uint32_t a) { } // Calculate CRC-32 with polynomial = 0x04c11db7 -uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size); +uint32_t lfs_crc(uint32_t crc, const void* buffer, size_t size); // Allocate memory, only used if buffers are not provided to littlefs // Note, memory must be 64-bit aligned -static inline void *lfs_malloc(size_t size) { +static inline void* lfs_malloc(size_t size) { #ifndef LFS_NO_MALLOC return malloc(size); #else @@ -175,7 +191,7 @@ static inline void *lfs_malloc(size_t size) { } // Deallocate memory, only used if buffers are not provided to littlefs -static inline void lfs_free(void *p) { +static inline void lfs_free(void* p) { #ifndef LFS_NO_MALLOC free(p); #else @@ -183,7 +199,6 @@ static inline void lfs_free(void *p) { #endif } - #ifdef __cplusplus } /* extern "C" */ #endif diff --git a/lib/littlefs b/lib/littlefs index 1863dc788..40dba4a55 160000 --- a/lib/littlefs +++ b/lib/littlefs @@ -1 +1 @@ -Subproject commit 1863dc7883d82bd6ca79faa164b65341064d1c16 +Subproject commit 40dba4a556e0d81dfbe64301a6aa4e18ceca896c diff --git a/lib/update_util/update_operation.c b/lib/update_util/update_operation.c index 138828ff0..56f412a95 100644 --- a/lib/update_util/update_operation.c +++ b/lib/update_util/update_operation.c @@ -12,7 +12,7 @@ #define UPDATE_ROOT_DIR EXT_PATH("update") /* Need at least 4 free LFS pages before update */ -#define UPDATE_MIN_INT_FREE_SPACE 4 * 4 * 1024 +#define UPDATE_MIN_INT_FREE_SPACE 2 * 4 * 1024 static const char* update_prepare_result_descr[] = { [UpdatePrepareResultOK] = "OK", diff --git a/scripts/toolchain/fbtenv.cmd b/scripts/toolchain/fbtenv.cmd index cf5d2441a..1403837d9 100644 --- a/scripts/toolchain/fbtenv.cmd +++ b/scripts/toolchain/fbtenv.cmd @@ -13,7 +13,7 @@ if not [%FBT_NOENV%] == [] ( exit /b 0 ) -set "FLIPPER_TOOLCHAIN_VERSION=12" +set "FLIPPER_TOOLCHAIN_VERSION=15" set "FBT_TOOLCHAIN_ROOT=%FBT_ROOT%\toolchain\i686-windows" diff --git a/scripts/toolchain/fbtenv.sh b/scripts/toolchain/fbtenv.sh index e25ddbfc3..cfbf25a4d 100755 --- a/scripts/toolchain/fbtenv.sh +++ b/scripts/toolchain/fbtenv.sh @@ -5,7 +5,7 @@ # public variables DEFAULT_SCRIPT_PATH="$(pwd -P)"; SCRIPT_PATH="${SCRIPT_PATH:-$DEFAULT_SCRIPT_PATH}"; -FBT_TOOLCHAIN_VERSION="${FBT_TOOLCHAIN_VERSION:-"12"}"; +FBT_TOOLCHAIN_VERSION="${FBT_TOOLCHAIN_VERSION:-"15"}"; FBT_TOOLCHAIN_PATH="${FBT_TOOLCHAIN_PATH:-$SCRIPT_PATH}"; fbtenv_show_usage()