Updated for chap 8 and added docs and uf2conv

This commit is contained in:
Kevin Thomas
2025-09-19 12:38:47 -07:00
parent 234cf1d939
commit cc2a7de142
17 changed files with 1082 additions and 162 deletions

View File

@@ -1,5 +1,2 @@
.idea
_deps
cmake-*
build
.DS_Store
!.vscode/*

View File

@@ -1,18 +1,22 @@
{
"configurations": [
{
"name": "Pico",
"includePath": [
"${workspaceFolder}/**",
"${env:PICO_SDK_PATH}/**"
],
"defines": [],
"compilerPath": "${env:PICO_INSTALL_PATH}/gcc-arm-none-eabi/bin/arm-none-eabi-gcc.exe",
"cStandard": "c11",
"cppStandard": "c++11",
"intelliSenseMode": "linux-gcc-arm",
"configurationProvider": "ms-vscode.cmake-tools"
}
],
"version": 4
"configurations": [
{
"name": "Pico",
"includePath": [
"${workspaceFolder}/**",
"${userHome}/.pico-sdk/sdk/2.2.0/**"
],
"forcedInclude": [
"${userHome}/.pico-sdk/sdk/2.2.0/src/common/pico_base_headers/include/pico.h",
"${workspaceFolder}/build/generated/pico_base/pico/config_autogen.h"
],
"defines": [],
"compilerPath": "${userHome}/.pico-sdk/toolchain/14_2_Rel1/bin/arm-none-eabi-gcc.exe",
"compileCommands": "${workspaceFolder}/build/compile_commands.json",
"cStandard": "c17",
"cppStandard": "c++14",
"intelliSenseMode": "linux-gcc-arm"
}
],
"version": 4
}

View File

@@ -0,0 +1,15 @@
[
{
"name": "Pico",
"compilers": {
"C": "${command:raspberry-pi-pico.getCompilerPath}",
"CXX": "${command:raspberry-pi-pico.getCxxCompilerPath}"
},
"environmentVariables": {
"PATH": "${command:raspberry-pi-pico.getEnvPath};${env:PATH}"
},
"cmakeSettings": {
"Python3_EXECUTABLE": "${command:raspberry-pi-pico.getPythonPath}"
}
}
]

View File

@@ -1,9 +1,9 @@
{
"recommendations": [
"marus25.cortex-debug",
"ms-vscode.cmake-tools",
"ms-vscode.cpptools",
"ms-vscode.cpptools-extension-pack",
"ms-vscode.vscode-serial-monitor"
]
}
"recommendations": [
"marus25.cortex-debug",
"ms-vscode.cpptools",
"ms-vscode.cpptools-extension-pack",
"ms-vscode.vscode-serial-monitor",
"raspberry-pi.raspberry-pi-pico"
]
}

View File

@@ -1,58 +1,50 @@
{
"version": "0.2.0",
"configurations": [
{
"name": "Pico Debug (Cortex-Debug)",
"cwd": "${workspaceFolder}",
"executable": "${command:cmake.launchTargetPath}",
"request": "launch",
"type": "cortex-debug",
"servertype": "openocd",
"gdbPath": "arm-none-eabi-gdb",
"device": "RP2040",
"configFiles": [
"interface/cmsis-dap.cfg",
"target/rp2040.cfg"
],
"svdFile": "${env:PICO_SDK_PATH}/src/rp2040/hardware_regs/rp2040.svd",
"runToEntryPoint": "main",
"openOCDLaunchCommands": [
"adapter speed 1000"
]
},
{
"name": "Pico Debug (Cortex-Debug with external OpenOCD)",
"cwd": "${workspaceFolder}",
"executable": "${command:cmake.launchTargetPath}",
"request": "launch",
"type": "cortex-debug",
"servertype": "external",
"gdbTarget": "localhost:3333",
"gdbPath": "arm-none-eabi-gdb",
"device": "RP2040",
"svdFile": "${env:PICO_SDK_PATH}/src/rp2040/hardware_regs/rp2040.svd",
"runToEntryPoint": "main"
},
{
"name": "Pico Debug (C++ Debugger)",
"type": "cppdbg",
"request": "launch",
"cwd": "${workspaceFolder}",
"program": "${command:cmake.launchTargetPath}",
"MIMode": "gdb",
"miDebuggerPath": "arm-none-eabi-gdb",
"miDebuggerServerAddress": "localhost:3333",
"debugServerPath": "openocd",
"debugServerArgs": "-f interface/cmsis-dap.cfg -f target/rp2040.cfg -c \"adapter speed 1000\"",
"serverStarted": "Listening on port .* for gdb connections",
"filterStderr": true,
"stopAtEntry": true,
"hardwareBreakpoints": {
"require": true,
"limit": 4
},
"preLaunchTask": "Flash",
"svdPath": "${env:PICO_SDK_PATH}/src/rp2040/hardware_regs/rp2040.svd"
}
]
"version": "0.2.0",
"configurations": [
{
"name": "Pico Debug (Cortex-Debug)",
"cwd": "${userHome}/.pico-sdk/openocd/0.12.0+dev/scripts",
"executable": "${command:raspberry-pi-pico.launchTargetPath}",
"request": "launch",
"type": "cortex-debug",
"servertype": "openocd",
"serverpath": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
"gdbPath": "${command:raspberry-pi-pico.getGDBPath}",
"device": "${command:raspberry-pi-pico.getChipUppercase}",
"configFiles": [
"interface/cmsis-dap.cfg",
"target/${command:raspberry-pi-pico.getTarget}.cfg"
],
"svdFile": "${userHome}/.pico-sdk/sdk/2.2.0/src/${command:raspberry-pi-pico.getChip}/hardware_regs/${command:raspberry-pi-pico.getChipUppercase}.svd",
"runToEntryPoint": "main",
// Fix for no_flash binaries, where monitor reset halt doesn't do what is expected
// Also works fine for flash binaries
"overrideLaunchCommands": [
"monitor reset init",
"load \"${command:raspberry-pi-pico.launchTargetPath}\""
],
"openOCDLaunchCommands": [
"adapter speed 5000"
]
},
{
"name": "Pico Debug (Cortex-Debug with external OpenOCD)",
"cwd": "${workspaceRoot}",
"executable": "${command:raspberry-pi-pico.launchTargetPath}",
"request": "launch",
"type": "cortex-debug",
"servertype": "external",
"gdbTarget": "localhost:3333",
"gdbPath": "${command:raspberry-pi-pico.getGDBPath}",
"device": "${command:raspberry-pi-pico.getChipUppercase}",
"svdFile": "${userHome}/.pico-sdk/sdk/2.2.0/src/${command:raspberry-pi-pico.getChip}/hardware_regs/${command:raspberry-pi-pico.getChipUppercase}.svd",
"runToEntryPoint": "main",
// Fix for no_flash binaries, where monitor reset halt doesn't do what is expected
// Also works fine for flash binaries
"overrideLaunchCommands": [
"monitor reset init",
"load \"${command:raspberry-pi-pico.launchTargetPath}\""
]
},
]
}

View File

@@ -1,30 +1,40 @@
{
// These settings tweaks to the cmake plugin will ensure
// that you debug using cortex-debug instead of trying to launch
// a Pico binary on the host
"cmake.statusbar.advanced": {
"debug": {
"visibility": "hidden"
"cmake.showSystemKits": false,
"cmake.options.statusBarVisibility": "hidden",
"cmake.options.advanced": {
"build": {
"statusBarVisibility": "hidden"
},
"launch": {
"visibility": "hidden"
"statusBarVisibility": "hidden"
},
"build": {
"visibility": "hidden"
},
"buildTarget": {
"visibility": "hidden"
"debug": {
"statusBarVisibility": "hidden"
}
},
"cmake.buildBeforeRun": true,
"cmake.configureOnOpen": true,
"cmake.configureSettings": {
"CMAKE_MODULE_PATH": "${env:PICO_INSTALL_PATH}/pico-sdk-tools"
},
"cmake.configureOnEdit": false,
"cmake.automaticReconfigure": false,
"cmake.configureOnOpen": false,
"cmake.generator": "Ninja",
"C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools",
"C_Cpp.errorSquiggles": "enabled",
"files.associations": {
"stdlib.h": "c"
}
"cmake.cmakePath": "${userHome}/.pico-sdk/cmake/v3.31.5/bin/cmake",
"C_Cpp.debugShortcut": false,
"terminal.integrated.env.windows": {
"PICO_SDK_PATH": "${env:USERPROFILE}/.pico-sdk/sdk/2.2.0",
"PICO_TOOLCHAIN_PATH": "${env:USERPROFILE}/.pico-sdk/toolchain/14_2_Rel1",
"Path": "${env:USERPROFILE}/.pico-sdk/toolchain/14_2_Rel1/bin;${env:USERPROFILE}/.pico-sdk/picotool/2.2.0/picotool;${env:USERPROFILE}/.pico-sdk/cmake/v3.31.5/bin;${env:USERPROFILE}/.pico-sdk/ninja/v1.12.1;${env:PATH}"
},
"terminal.integrated.env.osx": {
"PICO_SDK_PATH": "${env:HOME}/.pico-sdk/sdk/2.2.0",
"PICO_TOOLCHAIN_PATH": "${env:HOME}/.pico-sdk/toolchain/14_2_Rel1",
"PATH": "${env:HOME}/.pico-sdk/toolchain/14_2_Rel1/bin:${env:HOME}/.pico-sdk/picotool/2.2.0/picotool:${env:HOME}/.pico-sdk/cmake/v3.31.5/bin:${env:HOME}/.pico-sdk/ninja/v1.12.1:${env:PATH}"
},
"terminal.integrated.env.linux": {
"PICO_SDK_PATH": "${env:HOME}/.pico-sdk/sdk/2.2.0",
"PICO_TOOLCHAIN_PATH": "${env:HOME}/.pico-sdk/toolchain/14_2_Rel1",
"PATH": "${env:HOME}/.pico-sdk/toolchain/14_2_Rel1/bin:${env:HOME}/.pico-sdk/picotool/2.2.0/picotool:${env:HOME}/.pico-sdk/cmake/v3.31.5/bin:${env:HOME}/.pico-sdk/ninja/v1.12.1:${env:PATH}"
},
"raspberry-pi-pico.cmakeAutoConfigure": true,
"raspberry-pi-pico.useCmakeTools": false,
"raspberry-pi-pico.cmakePath": "${HOME}/.pico-sdk/cmake/v3.31.5/bin/cmake",
"raspberry-pi-pico.ninjaPath": "${HOME}/.pico-sdk/ninja/v1.12.1/ninja"
}

View File

@@ -1,29 +1,102 @@
{
"version": "2.0.0",
"tasks": [
{
"label": "Flash",
"type": "shell",
"command": "openocd",
"args": [
"-f",
"interface/cmsis-dap.cfg",
"-f",
"target/rp2040.cfg",
"-c",
"adapter speed 1000; program {${command:cmake.launchTargetPath}} verify reset exit"
],
"problemMatcher": []
},
{
"label": "Build",
"type": "cmake",
"command": "build",
"problemMatcher": "$gcc",
"group": {
"kind": "build",
"isDefault": true
}
}
]
"version": "2.0.0",
"tasks": [
{
"label": "Compile Project",
"type": "process",
"isBuildCommand": true,
"command": "${userHome}/.pico-sdk/ninja/v1.12.1/ninja",
"args": ["-C", "${workspaceFolder}/build"],
"group": "build",
"presentation": {
"reveal": "always",
"panel": "dedicated"
},
"problemMatcher": "$gcc",
"windows": {
"command": "${env:USERPROFILE}/.pico-sdk/ninja/v1.12.1/ninja.exe"
}
},
{
"label": "Run Project",
"type": "process",
"command": "${env:HOME}/.pico-sdk/picotool/2.2.0/picotool/picotool",
"args": [
"load",
"${command:raspberry-pi-pico.launchTargetPath}",
"-fx"
],
"presentation": {
"reveal": "always",
"panel": "dedicated"
},
"problemMatcher": [],
"windows": {
"command": "${env:USERPROFILE}/.pico-sdk/picotool/2.2.0/picotool/picotool.exe"
}
},
{
"label": "Flash",
"type": "process",
"command": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
"args": [
"-s",
"${userHome}/.pico-sdk/openocd/0.12.0+dev/scripts",
"-f",
"interface/cmsis-dap.cfg",
"-f",
"target/${command:raspberry-pi-pico.getTarget}.cfg",
"-c",
"adapter speed 5000; program \"${command:raspberry-pi-pico.launchTargetPath}\" verify reset exit"
],
"problemMatcher": [],
"windows": {
"command": "${env:USERPROFILE}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
}
},
{
"label": "Rescue Reset",
"type": "process",
"command": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
"args": [
"-s",
"${userHome}/.pico-sdk/openocd/0.12.0+dev/scripts",
"-f",
"interface/cmsis-dap.cfg",
"-f",
"target/${command:raspberry-pi-pico.getChip}-rescue.cfg",
"-c",
"adapter speed 5000; reset halt; exit"
],
"problemMatcher": [],
"windows": {
"command": "${env:USERPROFILE}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
}
},
{
"label": "Risc-V Reset (RP2350)",
"type": "process",
"command": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
"args": [
"-s",
"${userHome}/.pico-sdk/openocd/0.12.0+dev/scripts",
"-c",
"set USE_CORE { rv0 rv1 cm0 cm1 }",
"-f",
"interface/cmsis-dap.cfg",
"-f",
"target/rp2350.cfg",
"-c",
"adapter speed 5000; init;",
"-c",
"write_memory 0x40120158 8 { 0x3 }; echo [format \"Info : ARCHSEL 0x%02x\" [read_memory 0x40120158 8 1]];",
"-c",
"reset halt; targets rp2350.rv0; echo [format \"Info : ARCHSEL_STATUS 0x%02x\" [read_memory 0x4012015C 8 1]]; exit"
],
"problemMatcher": [],
"windows": {
"command": "${env:USERPROFILE}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
}
}
]
}

View File

@@ -1,21 +1,57 @@
# Generated Cmake Pico project file
cmake_minimum_required(VERSION 3.13)
include(pico_sdk_import.cmake)
project(0x0008_uninitialized-variables C CXX ASM)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
# Initialise pico_sdk from installed location
# (note this can come from environment, CMake cache etc)
# == DO NOT EDIT THE FOLLOWING LINES for the Raspberry Pi Pico VS Code Extension to work ==
if(WIN32)
set(USERHOME $ENV{USERPROFILE})
else()
set(USERHOME $ENV{HOME})
endif()
set(sdkVersion 2.2.0)
set(toolchainVersion 14_2_Rel1)
set(picotoolVersion 2.2.0)
set(picoVscode ${USERHOME}/.pico-sdk/cmake/pico-vscode.cmake)
if (EXISTS ${picoVscode})
include(${picoVscode})
endif()
# ====================================================================================
set(PICO_BOARD pico2 CACHE STRING "Board type")
# Pull in Raspberry Pi Pico SDK (must be before project)
include(pico_sdk_import.cmake)
project(0x0008_unitialized-variables C CXX ASM)
# Initialise the Raspberry Pi Pico SDK
pico_sdk_init()
add_executable(0x0008_uninitialized-variables
main.c
# Add executable. Default name is the project name, version 0.1
add_executable(0x0008_unitialized-variables 0x0008_unitialized-variables.c )
pico_set_program_name(0x0008_unitialized-variables "0x0008_unitialized-variables")
pico_set_program_version(0x0008_unitialized-variables "0.1")
# Modify the below lines to enable/disable output over UART/USB
pico_enable_stdio_uart(0x0008_unitialized-variables 1)
pico_enable_stdio_usb(0x0008_unitialized-variables 0)
# Add the standard library to the build
target_link_libraries(0x0008_unitialized-variables
pico_stdlib)
# Add the standard include files to the build
target_include_directories(0x0008_unitialized-variables PRIVATE
${CMAKE_CURRENT_LIST_DIR}
)
pico_enable_stdio_usb(0x0008_uninitialized-variables 1)
pico_enable_stdio_uart(0x0008_uninitialized-variables 1)
pico_add_extra_outputs(0x0008_unitialized-variables)
pico_add_extra_outputs(0x0008_uninitialized-variables)
target_link_libraries(0x0008_uninitialized-variables
pico_stdlib
)

View File

@@ -3,6 +3,28 @@
# This can be dropped into an external project to help locate this SDK
# It should be include()ed prior to project()
# Copyright 2020 (c) 2020 Raspberry Pi (Trading) Ltd.
#
# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
# following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
# disclaimer.
#
# 2. 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.
#
# 3. Neither the name of the copyright holder 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.
if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
@@ -18,9 +40,20 @@ if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_P
message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
endif ()
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_TAG} AND (NOT PICO_SDK_FETCH_FROM_GIT_TAG))
set(PICO_SDK_FETCH_FROM_GIT_TAG $ENV{PICO_SDK_FETCH_FROM_GIT_TAG})
message("Using PICO_SDK_FETCH_FROM_GIT_TAG from environment ('${PICO_SDK_FETCH_FROM_GIT_TAG}')")
endif ()
if (PICO_SDK_FETCH_FROM_GIT AND NOT PICO_SDK_FETCH_FROM_GIT_TAG)
set(PICO_SDK_FETCH_FROM_GIT_TAG "master")
message("Using master as default value for PICO_SDK_FETCH_FROM_GIT_TAG")
endif()
set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
set(PICO_SDK_FETCH_FROM_GIT_TAG "${PICO_SDK_FETCH_FROM_GIT_TAG}" CACHE FILEPATH "release tag for SDK")
if (NOT PICO_SDK_PATH)
if (PICO_SDK_FETCH_FROM_GIT)
@@ -29,25 +62,40 @@ if (NOT PICO_SDK_PATH)
if (PICO_SDK_FETCH_FROM_GIT_PATH)
get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
endif ()
# GIT_SUBMODULES_RECURSE was added in 3.17
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
FetchContent_Declare(
pico_sdk
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG master
GIT_SUBMODULES_RECURSE FALSE
)
else ()
FetchContent_Declare(
pico_sdk
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG master
)
endif ()
FetchContent_Declare(
pico_sdk
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
)
if (NOT pico_sdk)
message("Downloading Raspberry Pi Pico SDK")
FetchContent_Populate(pico_sdk)
# GIT_SUBMODULES_RECURSE was added in 3.17
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
FetchContent_Populate(
pico_sdk
QUIET
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
GIT_SUBMODULES_RECURSE FALSE
SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src
BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build
SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild
)
else ()
FetchContent_Populate(
pico_sdk
QUIET
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src
BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build
SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild
)
endif ()
set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
endif ()
set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})

Binary file not shown.

Binary file not shown.

BIN
rp2350-datasheet.pdf Normal file

Binary file not shown.

365
uf2conv.py Normal file
View File

@@ -0,0 +1,365 @@
#!/usr/bin/env python3
import sys
import struct
import subprocess
import re
import os
import os.path
import argparse
import json
from time import sleep
UF2_MAGIC_START0 = 0x0A324655 # "UF2\n"
UF2_MAGIC_START1 = 0x9E5D5157 # Randomly selected
UF2_MAGIC_END = 0x0AB16F30 # Ditto
INFO_FILE = "/INFO_UF2.TXT"
appstartaddr = 0x2000
familyid = 0x0
def is_uf2(buf):
w = struct.unpack("<II", buf[0:8])
return w[0] == UF2_MAGIC_START0 and w[1] == UF2_MAGIC_START1
def is_hex(buf):
try:
w = buf[0:30].decode("utf-8")
except UnicodeDecodeError:
return False
if w[0] == ':' and re.match(rb"^[:0-9a-fA-F\r\n]+$", buf):
return True
return False
def convert_from_uf2(buf):
global appstartaddr
global familyid
numblocks = len(buf) // 512
curraddr = None
currfamilyid = None
families_found = {}
prev_flag = None
all_flags_same = True
outp = []
for blockno in range(numblocks):
ptr = blockno * 512
block = buf[ptr:ptr + 512]
hd = struct.unpack(b"<IIIIIIII", block[0:32])
if hd[0] != UF2_MAGIC_START0 or hd[1] != UF2_MAGIC_START1:
print("Skipping block at " + ptr + "; bad magic")
continue
if hd[2] & 1:
# NO-flash flag set; skip block
continue
datalen = hd[4]
if datalen > 476:
assert False, "Invalid UF2 data size at " + ptr
newaddr = hd[3]
if (hd[2] & 0x2000) and (currfamilyid == None):
currfamilyid = hd[7]
if curraddr == None or ((hd[2] & 0x2000) and hd[7] != currfamilyid):
currfamilyid = hd[7]
curraddr = newaddr
if familyid == 0x0 or familyid == hd[7]:
appstartaddr = newaddr
padding = newaddr - curraddr
if padding < 0:
assert False, "Block out of order at " + ptr
if padding > 10*1024*1024:
assert False, "More than 10M of padding needed at " + ptr
if padding % 4 != 0:
assert False, "Non-word padding size at " + ptr
while padding > 0:
padding -= 4
outp.append(b"\x00\x00\x00\x00")
if familyid == 0x0 or ((hd[2] & 0x2000) and familyid == hd[7]):
outp.append(block[32 : 32 + datalen])
curraddr = newaddr + datalen
if hd[2] & 0x2000:
if hd[7] in families_found.keys():
if families_found[hd[7]] > newaddr:
families_found[hd[7]] = newaddr
else:
families_found[hd[7]] = newaddr
if prev_flag == None:
prev_flag = hd[2]
if prev_flag != hd[2]:
all_flags_same = False
if blockno == (numblocks - 1):
print("--- UF2 File Header Info ---")
families = load_families()
for family_hex in families_found.keys():
family_short_name = ""
for name, value in families.items():
if value == family_hex:
family_short_name = name
print("Family ID is {:s}, hex value is 0x{:08x}".format(family_short_name,family_hex))
print("Target Address is 0x{:08x}".format(families_found[family_hex]))
if all_flags_same:
print("All block flag values consistent, 0x{:04x}".format(hd[2]))
else:
print("Flags were not all the same")
print("----------------------------")
if len(families_found) > 1 and familyid == 0x0:
outp = []
appstartaddr = 0x0
return b"".join(outp)
def convert_to_carray(file_content):
outp = "const unsigned long bindata_len = %d;\n" % len(file_content)
outp += "const unsigned char bindata[] __attribute__((aligned(16))) = {"
for i in range(len(file_content)):
if i % 16 == 0:
outp += "\n"
outp += "0x%02x, " % file_content[i]
outp += "\n};\n"
return bytes(outp, "utf-8")
def convert_to_uf2(file_content):
global familyid
datapadding = b""
while len(datapadding) < 512 - 256 - 32 - 4:
datapadding += b"\x00\x00\x00\x00"
numblocks = (len(file_content) + 255) // 256
outp = []
for blockno in range(numblocks):
ptr = 256 * blockno
chunk = file_content[ptr:ptr + 256]
flags = 0x0
if familyid:
flags |= 0x2000
hd = struct.pack(b"<IIIIIIII",
UF2_MAGIC_START0, UF2_MAGIC_START1,
flags, ptr + appstartaddr, 256, blockno, numblocks, familyid)
while len(chunk) < 256:
chunk += b"\x00"
block = hd + chunk + datapadding + struct.pack(b"<I", UF2_MAGIC_END)
assert len(block) == 512
outp.append(block)
return b"".join(outp)
class Block:
def __init__(self, addr, default_data=0xFF):
self.addr = addr
self.bytes = bytearray([default_data] * 256)
def encode(self, blockno, numblocks):
global familyid
flags = 0x0
if familyid:
flags |= 0x2000
hd = struct.pack("<IIIIIIII",
UF2_MAGIC_START0, UF2_MAGIC_START1,
flags, self.addr, 256, blockno, numblocks, familyid)
hd += self.bytes[0:256]
while len(hd) < 512 - 4:
hd += b"\x00"
hd += struct.pack("<I", UF2_MAGIC_END)
return hd
def convert_from_hex_to_uf2(buf):
global appstartaddr
appstartaddr = None
upper = 0
currblock = None
blocks = []
for line in buf.split('\n'):
if line[0] != ":":
continue
i = 1
rec = []
while i < len(line) - 1:
rec.append(int(line[i:i+2], 16))
i += 2
tp = rec[3]
if tp == 4:
upper = ((rec[4] << 8) | rec[5]) << 16
elif tp == 2:
upper = ((rec[4] << 8) | rec[5]) << 4
elif tp == 1:
break
elif tp == 0:
addr = upper + ((rec[1] << 8) | rec[2])
if appstartaddr == None:
appstartaddr = addr
i = 4
while i < len(rec) - 1:
if not currblock or currblock.addr & ~0xff != addr & ~0xff:
currblock = Block(addr & ~0xff)
blocks.append(currblock)
currblock.bytes[addr & 0xff] = rec[i]
addr += 1
i += 1
numblocks = len(blocks)
resfile = b""
for i in range(0, numblocks):
resfile += blocks[i].encode(i, numblocks)
return resfile
def to_str(b):
return b.decode("utf-8")
def get_drives():
drives = []
if sys.platform == "win32":
r = subprocess.check_output([
"powershell",
"-Command",
'(Get-WmiObject Win32_LogicalDisk -Filter "VolumeName=\'RPI-RP2\'").DeviceID'
])
drive = to_str(r).strip()
if drive:
drives.append(drive)
else:
searchpaths = ["/mnt", "/media"]
if sys.platform == "darwin":
searchpaths = ["/Volumes"]
elif sys.platform == "linux":
searchpaths += ["/media/" + os.environ["USER"], "/run/media/" + os.environ["USER"]]
if "SUDO_USER" in os.environ.keys():
searchpaths += ["/media/" + os.environ["SUDO_USER"]]
searchpaths += ["/run/media/" + os.environ["SUDO_USER"]]
for rootpath in searchpaths:
if os.path.isdir(rootpath):
for d in os.listdir(rootpath):
if os.path.isdir(os.path.join(rootpath, d)):
drives.append(os.path.join(rootpath, d))
def has_info(d):
try:
return os.path.isfile(d + INFO_FILE)
except:
return False
return list(filter(has_info, drives))
def board_id(path):
with open(path + INFO_FILE, mode='r') as file:
file_content = file.read()
return re.search(r"Board-ID: ([^\r\n]*)", file_content).group(1)
def list_drives():
for d in get_drives():
print(d, board_id(d))
def write_file(name, buf):
with open(name, "wb") as f:
f.write(buf)
print("Wrote %d bytes to %s" % (len(buf), name))
def load_families():
# The expectation is that the `uf2families.json` file is in the same
# directory as this script. Make a path that works using `__file__`
# which contains the full path to this script.
filename = "uf2families.json"
pathname = os.path.join(os.path.dirname(os.path.abspath(__file__)), filename)
with open(pathname) as f:
raw_families = json.load(f)
families = {}
for family in raw_families:
families[family["short_name"]] = int(family["id"], 0)
return families
def main():
global appstartaddr, familyid
def error(msg):
print(msg, file=sys.stderr)
sys.exit(1)
parser = argparse.ArgumentParser(description='Convert to UF2 or flash directly.')
parser.add_argument('input', metavar='INPUT', type=str, nargs='?',
help='input file (HEX, BIN or UF2)')
parser.add_argument('-b', '--base', dest='base', type=str,
default="0x2000",
help='set base address of application for BIN format (default: 0x2000)')
parser.add_argument('-f', '--family', dest='family', type=str,
default="0x0",
help='specify familyID - number or name (default: 0x0)')
parser.add_argument('-o', '--output', metavar="FILE", dest='output', type=str,
help='write output to named file; defaults to "flash.uf2" or "flash.bin" where sensible')
parser.add_argument('-d', '--device', dest="device_path",
help='select a device path to flash')
parser.add_argument('-l', '--list', action='store_true',
help='list connected devices')
parser.add_argument('-c', '--convert', action='store_true',
help='do not flash, just convert')
parser.add_argument('-D', '--deploy', action='store_true',
help='just flash, do not convert')
parser.add_argument('-w', '--wait', action='store_true',
help='wait for device to flash')
parser.add_argument('-C', '--carray', action='store_true',
help='convert binary file to a C array, not UF2')
parser.add_argument('-i', '--info', action='store_true',
help='display header information from UF2, do not convert')
args = parser.parse_args()
appstartaddr = int(args.base, 0)
families = load_families()
if args.family.upper() in families:
familyid = families[args.family.upper()]
else:
try:
familyid = int(args.family, 0)
except ValueError:
error("Family ID needs to be a number or one of: " + ", ".join(families.keys()))
if args.list:
list_drives()
else:
if not args.input:
error("Need input file")
with open(args.input, mode='rb') as f:
inpbuf = f.read()
from_uf2 = is_uf2(inpbuf)
ext = "uf2"
if args.deploy:
outbuf = inpbuf
elif from_uf2 and not args.info:
outbuf = convert_from_uf2(inpbuf)
ext = "bin"
elif from_uf2 and args.info:
outbuf = ""
convert_from_uf2(inpbuf)
elif is_hex(inpbuf):
outbuf = convert_from_hex_to_uf2(inpbuf.decode("utf-8"))
elif args.carray:
outbuf = convert_to_carray(inpbuf)
ext = "h"
else:
outbuf = convert_to_uf2(inpbuf)
if not args.deploy and not args.info:
print("Converted to %s, output size: %d, start address: 0x%x" %
(ext, len(outbuf), appstartaddr))
if args.convert or ext != "uf2":
if args.output == None:
args.output = "flash." + ext
if args.output:
write_file(args.output, outbuf)
if ext == "uf2" and not args.convert and not args.info:
drives = get_drives()
if len(drives) == 0:
if args.wait:
print("Waiting for drive to deploy...")
while len(drives) == 0:
sleep(0.1)
drives = get_drives()
elif not args.output:
error("No drive to deploy.")
for d in drives:
print("Flashing %s (%s)" % (d, board_id(d)))
write_file(d + "/NEW.UF2", outbuf)
if __name__ == "__main__":
main()

382
uf2families.json Normal file
View File

@@ -0,0 +1,382 @@
[
{
"id": "0x16573617",
"short_name": "ATMEGA32",
"description": "Microchip (Atmel) ATmega32"
},
{
"id": "0x1851780a",
"short_name": "SAML21",
"description": "Microchip (Atmel) SAML21"
},
{
"id": "0x1b57745f",
"short_name": "NRF52",
"description": "Nordic NRF52"
},
{
"id": "0x1c5f21b0",
"short_name": "ESP32",
"description": "ESP32"
},
{
"id": "0x1e1f432d",
"short_name": "STM32L1",
"description": "ST STM32L1xx"
},
{
"id": "0x202e3a91",
"short_name": "STM32L0",
"description": "ST STM32L0xx"
},
{
"id": "0x21460ff0",
"short_name": "STM32WL",
"description": "ST STM32WLxx"
},
{
"id": "0x22e0d6fc",
"short_name": "RTL8710B",
"description": "Realtek AmebaZ RTL8710B"
},
{
"id": "0x2abc77ec",
"short_name": "LPC55",
"description": "NXP LPC55xx"
},
{
"id": "0x300f5633",
"short_name": "STM32G0",
"description": "ST STM32G0xx"
},
{
"id": "0x31d228c6",
"short_name": "GD32F350",
"description": "GD32F350"
},
{
"id": "0x3379CFE2",
"short_name": "RTL8720D",
"description": "Realtek AmebaD RTL8720D"
},
{
"id": "0x04240bdf",
"short_name": "STM32L5",
"description": "ST STM32L5xx"
},
{
"id": "0x4c71240a",
"short_name": "STM32G4",
"description": "ST STM32G4xx"
},
{
"id": "0x4fb2d5bd",
"short_name": "MIMXRT10XX",
"description": "NXP i.MX RT10XX"
},
{
"id": "0x51e903a8",
"short_name": "XR809",
"description": "Xradiotech 809"
},
{
"id": "0x53b80f00",
"short_name": "STM32F7",
"description": "ST STM32F7xx"
},
{
"id": "0x55114460",
"short_name": "SAMD51",
"description": "Microchip (Atmel) SAMD51"
},
{
"id": "0x57755a57",
"short_name": "STM32F4",
"description": "ST STM32F4xx"
},
{
"id": "0x5a18069b",
"short_name": "FX2",
"description": "Cypress FX2"
},
{
"id": "0x5d1a0a2e",
"short_name": "STM32F2",
"description": "ST STM32F2xx"
},
{
"id": "0x5ee21072",
"short_name": "STM32F1",
"description": "ST STM32F103"
},
{
"id": "0x621e937a",
"short_name": "NRF52833",
"description": "Nordic NRF52833"
},
{
"id": "0x647824b6",
"short_name": "STM32F0",
"description": "ST STM32F0xx"
},
{
"id": "0x675a40b0",
"short_name": "BK7231U",
"description": "Beken 7231U/7231T"
},
{
"id": "0x68ed2b88",
"short_name": "SAMD21",
"description": "Microchip (Atmel) SAMD21"
},
{
"id": "0x6a82cc42",
"short_name": "BK7251",
"description": "Beken 7251/7252"
},
{
"id": "0x6b846188",
"short_name": "STM32F3",
"description": "ST STM32F3xx"
},
{
"id": "0x6d0922fa",
"short_name": "STM32F407",
"description": "ST STM32F407"
},
{
"id": "0x4e8f1c5d",
"short_name": "STM32H5",
"description": "ST STM32H5xx"
},
{
"id": "0x6db66082",
"short_name": "STM32H7",
"description": "ST STM32H7xx"
},
{
"id": "0x70d16653",
"short_name": "STM32WB",
"description": "ST STM32WBxx"
},
{
"id": "0x7b3ef230",
"short_name": "BK7231N",
"description": "Beken 7231N"
},
{
"id": "0x7eab61ed",
"short_name": "ESP8266",
"description": "ESP8266"
},
{
"id": "0x7f83e793",
"short_name": "KL32L2",
"description": "NXP KL32L2x"
},
{
"id": "0x8fb060fe",
"short_name": "STM32F407VG",
"description": "ST STM32F407VG"
},
{
"id": "0x9fffd543",
"short_name": "RTL8710A",
"description": "Realtek Ameba1 RTL8710A"
},
{
"id": "0xada52840",
"short_name": "NRF52840",
"description": "Nordic NRF52840"
},
{
"id": "0x820d9a5f",
"short_name": "NRF52820",
"description": "Nordic NRF52820_xxAA"
},
{
"id": "0xbfdd4eee",
"short_name": "ESP32S2",
"description": "ESP32-S2"
},
{
"id": "0xc47e5767",
"short_name": "ESP32S3",
"description": "ESP32-S3"
},
{
"id": "0xd42ba06c",
"short_name": "ESP32C3",
"description": "ESP32-C3"
},
{
"id": "0x2b88d29c",
"short_name": "ESP32C2",
"description": "ESP32-C2"
},
{
"id": "0x332726f6",
"short_name": "ESP32H2",
"description": "ESP32-H2"
},
{
"id": "0x540ddf62",
"short_name": "ESP32C6",
"description": "ESP32-C6"
},
{
"id": "0x3d308e94",
"short_name": "ESP32P4",
"description": "ESP32-P4"
},
{
"id": "0xf71c0343",
"short_name": "ESP32C5",
"description": "ESP32-C5"
},
{
"id": "0x77d850c4",
"short_name": "ESP32C61",
"description": "ESP32-C61"
},
{
"id": "0xb6dd00af",
"short_name": "ESP32H21",
"description": "ESP32-H21"
},
{
"id": "0x9e0baa8a",
"short_name": "ESP32H4",
"description": "ESP32-H4"
},
{
"id": "0xde1270b7",
"short_name": "BL602",
"description": "Boufallo 602"
},
{
"id": "0xe08f7564",
"short_name": "RTL8720C",
"description": "Realtek AmebaZ2 RTL8720C"
},
{
"id": "0xe48bff56",
"short_name": "RP2040",
"description": "Raspberry Pi RP2040"
},
{
"id": "0xe48bff57",
"short_name": "RP2XXX_ABSOLUTE",
"description": "Raspberry Pi Microcontrollers: Absolute (unpartitioned) download"
},
{
"id": "0xe48bff58",
"short_name": "RP2XXX_DATA",
"description": "Raspberry Pi Microcontrollers: Data partition download"
},
{
"id": "0xe48bff59",
"short_name": "RP2350_ARM_S",
"description": "Raspberry Pi RP2350, Secure Arm image"
},
{
"id": "0xe48bff5a",
"short_name": "RP2350_RISCV",
"description": "Raspberry Pi RP2350, RISC-V image"
},
{
"id": "0xe48bff5b",
"short_name": "RP2350_ARM_NS",
"description": "Raspberry Pi RP2350, Non-secure Arm image"
},
{
"id": "0x00ff6919",
"short_name": "STM32L4",
"description": "ST STM32L4xx"
},
{
"id": "0x9af03e33",
"short_name": "GD32VF103",
"description": "GigaDevice GD32VF103"
},
{
"id": "0x4f6ace52",
"short_name": "CSK4",
"description": "LISTENAI CSK300x/400x"
},
{
"id": "0x6e7348a8",
"short_name": "CSK6",
"description": "LISTENAI CSK60xx"
},
{
"id": "0x11de784a",
"short_name": "M0SENSE",
"description": "M0SENSE BL702"
},
{
"id": "0x4b684d71",
"short_name": "MaixPlay-U4",
"description": "Sipeed MaixPlay-U4(BL618)"
},
{
"id": "0x9517422f",
"short_name": "RZA1LU",
"description": "Renesas RZ/A1LU (R7S7210xx)"
},
{
"id": "0x2dc309c5",
"short_name": "STM32F411xE",
"description": "ST STM32F411xE"
},
{
"id": "0x06d1097b",
"short_name": "STM32F411xC",
"description": "ST STM32F411xC"
},
{
"id": "0x72721d4e",
"short_name": "NRF52832xxAA",
"description": "Nordic NRF52832xxAA"
},
{
"id": "0x6f752678",
"short_name": "NRF52832xxAB",
"description": "Nordic NRF52832xxAB"
},
{
"id": "0xa0c97b8e",
"short_name": "AT32F415",
"description": "ArteryTek AT32F415"
},
{
"id": "0x699b62ec",
"short_name": "CH32V",
"description": "WCH CH32V2xx and CH32V3xx"
},
{
"id": "0x7be8976d",
"short_name": "RA4M1",
"description": "Renesas RA4M1"
},
{
"id": "0x7410520a",
"short_name": "MAX32690",
"description": "Analog Devices MAX32690"
},
{
"id": "0xd63f8632",
"short_name": "MAX32650",
"description": "Analog Devices MAX32650/1/2"
},
{
"id": "0xf0c30d71",
"short_name": "MAX32666",
"description": "Analog Devices MAX32665/6"
},
{
"id": "0x91d3fd18",
"short_name": "MAX78002",
"description": "Analog Devices MAX78002"
}
]