Add a demo for using LVGL, DRAM, LLVM Toolchain, ELF on an STM32F746G discovery board #104
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,5 @@ | ||
| ./harmony/* | ||
| ./stm32-lcd-logo/Sources/Application/Registers/* | ||
| ./stm32-lvgl/Sources/Registers/* | ||
| ./stm32-neopixel/Sources/Application/Registers/* | ||
| ./stm32-uart-echo/Sources/Application/Registers/* |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| lvgl | ||
| llvm-toolchain |
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| @@ -0,0 +1,14 @@ | ||
| { | ||
| "swiftPM": { | ||
| "configuration": "release", | ||
| "triple": "armv7em-none-none-eabi", | ||
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| "__comment": "XXX SourceKit-LSP seems to ignore the toolset (relative or absolute path)...", | ||
| "toolset": ".../toolset.json", | ||
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| "swiftCompilerFlags": [ | ||
| "-enable-experimental-feature", "Embedded", | ||
| "-enable-experimental-feature", "Extern", | ||
| ] | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,71 @@ | ||
| { | ||
|
There was a problem hiding this comment. can we use the format file at the repo root? |
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| "fileScopedDeclarationPrivacy" : { | ||
| "accessLevel" : "private" | ||
| }, | ||
| "indentation" : { | ||
| "spaces" : 2 | ||
| }, | ||
| "indentConditionalCompilationBlocks" : false, | ||
| "indentSwitchCaseLabels" : false, | ||
| "lineBreakAroundMultilineExpressionChainComponents" : false, | ||
| "lineBreakBeforeControlFlowKeywords" : false, | ||
| "lineBreakBeforeEachArgument" : false, | ||
| "lineBreakBeforeEachGenericRequirement" : false, | ||
| "lineLength" : 120, | ||
| "maximumBlankLines" : 1, | ||
| "multiElementCollectionTrailingCommas" : true, | ||
| "noAssignmentInExpressions" : { | ||
| "allowedFunctions" : [ | ||
| "XCTAssertNoThrow" | ||
| ] | ||
| }, | ||
| "prioritizeKeepingFunctionOutputTogether" : false, | ||
| "respectsExistingLineBreaks" : true, | ||
| "rules" : { | ||
| "AllPublicDeclarationsHaveDocumentation" : false, | ||
| "AlwaysUseLiteralForEmptyCollectionInit" : true, | ||
| "AlwaysUseLowerCamelCase" : false, | ||
| "AmbiguousTrailingClosureOverload" : false, | ||
| "BeginDocumentationCommentWithOneLineSummary" : false, | ||
| "DoNotUseSemicolons" : true, | ||
| "DontRepeatTypeInStaticProperties" : true, | ||
| "FileScopedDeclarationPrivacy" : true, | ||
| "FullyIndirectEnum" : true, | ||
| "GroupNumericLiterals" : true, | ||
| "IdentifiersMustBeASCII" : true, | ||
| "NeverForceUnwrap" : false, | ||
| "NeverUseForceTry" : true, | ||
| "NeverUseImplicitlyUnwrappedOptionals" : false, | ||
| "NoAccessLevelOnExtensionDeclaration" : true, | ||
| "NoAssignmentInExpressions" : true, | ||
| "NoBlockComments" : false, | ||
| "NoCasesWithOnlyFallthrough" : true, | ||
| "NoEmptyTrailingClosureParentheses" : true, | ||
| "NoLabelsInCasePatterns" : true, | ||
| "NoLeadingUnderscores" : false, | ||
| "NoParensAroundConditions" : true, | ||
| "NoPlaygroundLiterals" : true, | ||
| "NoVoidReturnOnFunctionSignature" : true, | ||
| "OmitExplicitReturns" : false, | ||
| "OneCasePerLine" : true, | ||
| "OneVariableDeclarationPerLine" : true, | ||
| "OnlyOneTrailingClosureArgument" : true, | ||
| "OrderedImports" : true, | ||
| "ReplaceForEachWithForLoop" : true, | ||
| "ReturnVoidInsteadOfEmptyTuple" : true, | ||
| "TypeNamesShouldBeCapitalized" : true, | ||
| "UseEarlyExits" : false, | ||
| "UseExplicitNilCheckInConditions" : true, | ||
| "UseLetInEveryBoundCaseVariable" : true, | ||
| "UseShorthandTypeNames" : true, | ||
| "UseSingleLinePropertyGetter" : true, | ||
| "UseSynthesizedInitializer" : true, | ||
| "UseTripleSlashForDocumentationComments" : true, | ||
| "UseWhereClausesInForLoops" : false, | ||
| "ValidateDocumentationComments" : true | ||
| }, | ||
| "spacesBeforeEndOfLineComments": 2, | ||
| "spacesAroundRangeFormationOperators" : false, | ||
| "tabWidth" : 2, | ||
| "version" : 1 | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| main-snapshot-2025-03-28 | ||
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There was a problem hiding this comment. can we move this to the repo root? It would be nice to have all examples on the same version. We should later update the GitHub actions to reference this file. |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,96 @@ | ||
| ##===----------------------------------------------------------------------===## | ||
| ## | ||
| ## This source file is part of the Swift open source project | ||
| ## | ||
| ## Copyright (c) 2023 Apple Inc. and the Swift project authors. | ||
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| ## Licensed under Apache License v2.0 with Runtime Library Exception | ||
| ## | ||
| ## See https://swift.org/LICENSE.txt for license information | ||
| ## | ||
| ##===----------------------------------------------------------------------===## | ||
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| # Paths | ||
| REPOROOT := $(shell git rev-parse --show-toplevel) | ||
| TOOLSROOT := $(REPOROOT)/Tools | ||
| TOOLSET := $(PWD)/toolset.json | ||
| ELF2HEX := $(TOOLSROOT)/elf2hex.py | ||
| SWIFT_BUILD := swift build | ||
| NM := nm | ||
| LLVM_TOOLCHAIN := $(PWD)/llvm-toolchain | ||
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| # Flags | ||
| ARCH := armv7em | ||
| TARGET := $(ARCH)-none-none-eabi | ||
| SWIFT_BUILD_ARGS := \ | ||
| --configuration release \ | ||
| --triple $(TARGET) \ | ||
| --toolset $(TOOLSET) \ | ||
| --product Application | ||
| BUILDROOT := $(shell $(SWIFT_BUILD) $(SWIFT_BUILD_ARGS) --show-bin-path) | ||
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| .PHONY: build | ||
| build: | ||
| @echo "checking dependencies..." | ||
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| # TODO: Check that we have swiftly and recent Swift main toolchain | ||
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| if [[ ! -d $(PWD)/lvgl ]]; then echo "\n *** LVGL checkout not found, please run ./fetch-dependencies.sh\n" ; exit 1 ; fi | ||
| if [[ ! -d $(PWD)/llvm-toolchain ]]; then echo "\n *** LLVM toolchain checkout not found, please run ./fetch-dependencies.sh\n" ; exit 1 ; fi | ||
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| mkdir -p .build | ||
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| @echo "configuring LVGL..." | ||
| cmake -B .build/lvgl -G Ninja ./lvgl \ | ||
| -DCMAKE_EXPORT_COMPILE_COMMANDS=On \ | ||
| -DTOOLCHAIN_PATH=$(LLVM_TOOLCHAIN) \ | ||
| -DCMAKE_TOOLCHAIN_FILE=../clang-arm-toolchain.cmake \ | ||
| -DLV_CONF_PATH=../Sources/CLVGL/include/lv_conf.h | ||
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| @echo "building LVGL..." | ||
| cmake --build .build/lvgl | ||
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| @echo "building..." | ||
| $(SWIFT_BUILD) \ | ||
| $(SWIFT_BUILD_ARGS) \ | ||
| --verbose | ||
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| @echo "disassembling..." | ||
| $(LLVM_TOOLCHAIN)/bin/llvm-objdump --all-headers --disassemble --mcpu=cortex-m7 \ | ||
| $(BUILDROOT)/Application \ | ||
| | c++filt | swift demangle > $(BUILDROOT)/Application.disassembly | ||
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| @echo "extracting binary..." | ||
| $(ELF2HEX) \ | ||
| $(BUILDROOT)/Application $(BUILDROOT)/Application.hex --relocate | ||
| ls -al $(BUILDROOT)/Application.hex | ||
| @echo "\n *** All done, build succeeded!\n" | ||
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| flash: | ||
| @echo "flashing..." | ||
| st-flash --reset --format ihex write $(BUILDROOT)/Application.hex | ||
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| simulator: | ||
| mkdir -p .build | ||
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| @echo "configuring LVGL..." | ||
| cmake -B .build/lvgl-host -G Ninja ./lvgl \ | ||
| -DCMAKE_EXPORT_COMPILE_COMMANDS=On \ | ||
| -DLV_CONF_PATH=../Sources/CLVGL/include/lv_conf.h | ||
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| @echo "building LVGL..." | ||
| cmake --build .build/lvgl-host | ||
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| @echo "building..." | ||
| $(SWIFT_BUILD) \ | ||
| --configuration release \ | ||
| --product HostSDLApp \ | ||
| --verbose | ||
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| @echo "running..." | ||
| $(PWD)/.build/release/HostSDLApp | ||
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| .PHONY: clean | ||
| clean: | ||
| @echo "cleaning..." | ||
| @swift package clean | ||
| @rm -rf .build | ||
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we should make this part of matrix. instead of manually switching