support sketch custom bootloader.bin

Author: hathach

platform.txt

@@ -103,9 +103,9 @@ recipe.hooks.prebuild.1.pattern.windows=cmd /c if exist "{build.source.path}\par
 recipe.hooks.prebuild.2.pattern.windows=cmd /c if not exist "{build.path}\partitions.csv" if exist "{build.variant.path}\partitions.csv" COPY "{build.variant.path}\partitions.csv" "{build.path}\partitions.csv"
 recipe.hooks.prebuild.3.pattern.windows=cmd /c if not exist "{build.path}\partitions.csv" COPY "{runtime.platform.path}\tools\partitions\{build.partitions}.csv" "{build.path}\partitions.csv"
 
-# Check if variant's custom bootloader exist
-recipe.hooks.prebuild.4.pattern=bash -c "[ -f {build.variant.path}/bootloader.bin ] && cp {build.variant.path}/bootloader.bin {build.path}/{build.project_name}.bootloader.bin || cp -f {runtime.platform.path}/tools/sdk/{build.mcu}/bin/bootloader_{build.boot}_{build.flash_freq}.bin {build.path}/{build.project_name}.bootloader.bin"
-recipe.hooks.prebuild.4.pattern.windows=cmd /c if exist "{build.variant.path}\bootloader.bin" ( COPY "{build.variant.path}\bootloader.bin" "{build.path}\{build.project_name}.bootloader.bin" ) ELSE ( COPY /y "{runtime.platform.path}\tools\sdk\{build.mcu}\bin\bootloader_{build.boot}_{build.flash_freq}.bin" "{build.path}\{build.project_name}.bootloader.bin" )
+# Check if custom bootloader exist: source > variant > build.boot
+recipe.hooks.prebuild.4.pattern=bash -c "[ -f {build.source.path}/bootloader.bin ] && cp -f {build.source.path}/bootloader.bin {build.path}/{build.project_name}.bootloader.bin || ( [ -f {build.variant.path}/bootloader.bin ] && cp {build.variant.path}/bootloader.bin {build.path}/{build.project_name}.bootloader.bin || cp -f {runtime.platform.path}/tools/sdk/{build.mcu}/bin/bootloader_{build.boot}_{build.flash_freq}.bin {build.path}/{build.project_name}.bootloader.bin )"
+recipe.hooks.prebuild.4.pattern.windows=cmd /c IF EXIST "{build.source.path}\bootloader.bin" ( COPY /y "{build.source.path}\bootloader.bin" "{build.path}\{build.project_name}.bootloader.bin" ) ELSE ( IF EXIST "{build.variant.path}\bootloader.bin" ( COPY "{build.variant.path}\bootloader.bin" "{build.path}\{build.project_name}.bootloader.bin" ) ELSE ( COPY /y "{runtime.platform.path}\tools\sdk\{build.mcu}\bin\bootloader_{build.boot}_{build.flash_freq}.bin" "{build.path}\{build.project_name}.bootloader.bin" ) )
 
 ## Compile c files
 recipe.c.o.pattern="{compiler.path}{compiler.c.cmd}" {compiler.cpreprocessor.flags} {compiler.c.flags} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} -DARDUINO_BOARD="{build.board}" -DARDUINO_VARIANT="{build.variant}" {compiler.c.extra_flags} {build.extra_flags} {includes} "{source_file}" -o "{object_file}"