Matthias Blankertz
c36dd58539
The PY32F002A seems to be the same silicon as PY32F003, and the DMA is present and usable. Implement a NeoPixel driver using PWM timer for pulse length encoding and DMA to reprogram the pulse length for each bit. Signed-off-by: Matthias Blankertz <matthias@blankertz.org>
45 lines
1.9 KiB
CMake
45 lines
1.9 KiB
CMake
set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_SYSTEM_PROCESSOR arm)
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set(CMAKE_C_COMPILER_ID GNU)
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set(CMAKE_CXX_COMPILER_ID GNU)
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# Some default GCC settings
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# arm-none-eabi- must be part of path environment
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set(TOOLCHAIN_PREFIX arm-none-eabi-)
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set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}gcc)
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set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
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set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}g++)
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set(CMAKE_LINKER ${TOOLCHAIN_PREFIX}g++)
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set(CMAKE_OBJCOPY ${TOOLCHAIN_PREFIX}objcopy)
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set(CMAKE_SIZE ${TOOLCHAIN_PREFIX}size)
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set(CMAKE_EXECUTABLE_SUFFIX_ASM ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_C ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_CXX ".elf")
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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# MCU specific flags
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set(TARGET_FLAGS "-mcpu=cortex-m0plus ")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TARGET_FLAGS}")
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set(CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS} -x assembler-with-cpp -MMD -MP")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -fdata-sections -ffunction-sections")
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set(CMAKE_C_FLAGS_DEBUG "-Og -g3")
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set(CMAKE_C_FLAGS_RELEASE "-Os -g0")
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set(CMAKE_CXX_FLAGS_DEBUG "-Og -g3")
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set(CMAKE_CXX_FLAGS_RELEASE "-Os -g0")
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set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -fno-rtti -fno-exceptions -fno-threadsafe-statics")
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set(CMAKE_EXE_LINKER_FLAGS "${TARGET_FLAGS}")
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#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -T \"${CMAKE_SOURCE_DIR}/py32f0-sdk/Libraries/LDScripts/py32f002ax5.ld\"")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -T \"${CMAKE_SOURCE_DIR}/py32f0-sdk/Libraries/LDScripts/py32f003x6.ld\"")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --specs=nano.specs --specs=nosys.specs")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-Map=${CMAKE_PROJECT_NAME}.map -Wl,--gc-sections")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--print-memory-usage")
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set(TOOLCHAIN_LINK_LIBRARIES "m")
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