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include_guard()
# include board specific
include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
# Determine which SAM family based on board configuration
# SAM_FAMILY should be set by board.cmake (samd21, saml21, or saml22)
if(NOT DEFINED SAM_FAMILY)
# Default to samd21 if not specified for backward compatibility
set(SAM_FAMILY samd21)
endif()
set(SDK_DIR ${TOP}/hw/mcu/microchip/${SAM_FAMILY})
set(CMSIS_5 ${TOP}/lib/CMSIS_5)
# toolchain set up
set(CMAKE_SYSTEM_CPU cortex-m0plus CACHE INTERNAL "System Processor")
set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/arm_${TOOLCHAIN}.cmake)
set(FAMILY_MCUS SAMD21 SAML2X CACHE INTERNAL "")
set(OPENOCD_OPTION "-f interface/cmsis-dap.cfg -c \"transport select swd\" -f target/at91samdXX.cfg")
#------------------------------------
# Startup & Linker script
#------------------------------------
set(LD_FILE_Clang ${LD_FILE_GNU})
set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_${SAM_FAMILY}.c)
set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
#------------------------------------
# Board Target
#------------------------------------
function(family_add_board BOARD_TARGET)
# Common sources for all SAM families
set(COMMON_SOURCES
${SDK_DIR}/gcc/system_${SAM_FAMILY}.c
${SDK_DIR}/hal/src/hal_atomic.c
${SDK_DIR}/hpl/gclk/hpl_gclk.c
)
# Family-specific sources
if(SAM_FAMILY STREQUAL "samd21")
list(APPEND COMMON_SOURCES
${SDK_DIR}/hpl/pm/hpl_pm.c
${SDK_DIR}/hpl/sysctrl/hpl_sysctrl.c
)
else()
# SAML21/SAML22
list(APPEND COMMON_SOURCES
${SDK_DIR}/hpl/mclk/hpl_mclk.c
${SDK_DIR}/hpl/osc32kctrl/hpl_osc32kctrl.c
${SDK_DIR}/hpl/oscctrl/hpl_oscctrl.c
${SDK_DIR}/hpl/pm/hpl_pm.c
)
endif()
add_library(${BOARD_TARGET} STATIC ${COMMON_SOURCES})
target_include_directories(${BOARD_TARGET} PUBLIC
${SDK_DIR}
${SDK_DIR}/config
${SDK_DIR}/include
${SDK_DIR}/hal/include
${SDK_DIR}/hal/utils/include
${SDK_DIR}/hpl/pm
${SDK_DIR}/hpl/port
${SDK_DIR}/hri
${CMSIS_5}/CMSIS/Core/Include
)
# Family-specific compile definitions
if(SAM_FAMILY STREQUAL "samd21")
target_compile_definitions(${BOARD_TARGET} PUBLIC
CONF_DFLL_OVERWRITE_CALIBRATION=0
)
else()
# SAML21/SAML22
target_compile_definitions(${BOARD_TARGET} PUBLIC
CONF_OSC32K_CALIB_ENABLE=0
CFG_EXAMPLE_VIDEO_READONLY
)
endif()
update_board(${BOARD_TARGET})
endfunction()
#------------------------------------
# Functions
#------------------------------------
function(family_configure_example TARGET RTOS)
family_configure_common(${TARGET} ${RTOS})
# Determine MCU option based on SAM_FAMILY
if(SAM_FAMILY STREQUAL "samd21")
set(MCU_OPTION OPT_MCU_SAMD21)
elseif(SAM_FAMILY STREQUAL "saml21")
set(MCU_OPTION OPT_MCU_SAML21)
elseif(SAM_FAMILY STREQUAL "saml22")
set(MCU_OPTION OPT_MCU_SAML22)
else()
message(FATAL_ERROR "Unknown SAM_FAMILY: ${SAM_FAMILY}")
endif()
family_add_tinyusb(${TARGET} ${MCU_OPTION})
target_sources(${TARGET} PUBLIC
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
${TOP}/src/portable/microchip/samd/dcd_samd.c
${TOP}/src/portable/microchip/samd/hcd_samd.c
${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
)
# Add HCD support for SAMD21 (has host capability)
if(SAM_FAMILY STREQUAL "samd21")
target_sources(${TARGET} PUBLIC
${TOP}/src/portable/microchip/samd/hcd_samd.c
)
endif()
target_include_directories(${TARGET} PUBLIC
${CMAKE_CURRENT_FUNCTION_LIST_DIR}
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
)
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
target_link_options(${TARGET} PUBLIC
"LINKER:--script=${LD_FILE_GNU}"
-nostartfiles
--specs=nosys.specs --specs=nano.specs
)
elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
target_link_options(${TARGET} PUBLIC
"LINKER:--script=${LD_FILE_Clang}"
)
elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
target_link_options(${TARGET} PUBLIC
"LINKER:--config=${LD_FILE_IAR}"
)
endif ()
set_source_files_properties(${STARTUP_FILE_${CMAKE_C_COMPILER_ID}} PROPERTIES
SKIP_LINTING ON
COMPILE_OPTIONS -w)
# Flashing
family_add_bin_hex(${TARGET})
family_flash_jlink(${TARGET})
#family_flash_openocd(${TARGET})
endfunction()
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