Add bdev commands

Add ls, mkdir, put and get commands to access block devices

Currently only supports littlefs

Author: will-v-pi

CMakeLists.txt

@@ -267,6 +267,7 @@ target_link_libraries(picotool
         elf2uf2
         errors
         nlohmann_json
+        littlefs
         whereami)
 
 if (NOT TARGET mbedtls)

lib/CMakeLists.txt

@@ -18,6 +18,8 @@ endif()
 set(JSON_BuildTests OFF CACHE INTERNAL "")
 add_subdirectory(nlohmann_json EXCLUDE_FROM_ALL)
 
+add_subdirectory(littlefs EXCLUDE_FROM_ALL)
+
 add_subdirectory(whereami EXCLUDE_FROM_ALL)
 
 if(EXISTS "${PICO_SDK_PATH}/lib/mbedtls/CMakeLists.txt")

lib/littlefs/CMakeLists.txt

@@ -0,0 +1,7 @@
+add_library(littlefs INTERFACE)
+
+target_sources(littlefs INTERFACE
+        ${CMAKE_CURRENT_LIST_DIR}/lfs.c
+        ${CMAKE_CURRENT_LIST_DIR}/lfs_util.c)
+
+target_include_directories(littlefs INTERFACE ${CMAKE_CURRENT_LIST_DIR})

lib/littlefs/LICENSE.md

@@ -0,0 +1,25 @@
+Copyright (c) 2022, The littlefs authors.  
+Copyright (c) 2017, Arm Limited. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+-  Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+-  Redistributions in binary form must reproduce the above copyright notice, this
+   list of conditions and the following disclaimer in the documentation and/or
+   other materials provided with the distribution.
+-  Neither the name of ARM nor the names of its contributors may be used to
+   endorse or promote products derived from this software without specific prior
+   written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

lib/littlefs/README.md

@@ -0,0 +1,7 @@
+littlefs library
+================
+
+The upstream source for the files in this directory is
+https://github.com/littlefs-project/littlefs
+
+The current files come from v2.8.2