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Add Pico 2 W Bluepad32 AIO backend

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This commit is contained in:
Joey Yakimowich-Payne 2026-08-29 17:37:48 -06:00
commit f451e27f8c
17 changed files with 1263 additions and 24 deletions
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62
CMakeLists.txt
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@ -24,7 +24,20 @@ if (EXISTS ${picoVscode})
endif()
# ====================================================================================
option(SWITCH_PICO_LOG "Enable UART debug logging" OFF)
set(SWITCH_PICO_INPUT_BACKEND "UART" CACHE STRING "Controller input backend")
set_property(CACHE SWITCH_PICO_INPUT_BACKEND PROPERTY STRINGS UART BLUEPAD32)
if(NOT SWITCH_PICO_INPUT_BACKEND STREQUAL "UART"
AND NOT SWITCH_PICO_INPUT_BACKEND STREQUAL "BLUEPAD32")
message(FATAL_ERROR
"Unknown SWITCH_PICO_INPUT_BACKEND='${SWITCH_PICO_INPUT_BACKEND}'. "
"Expected UART or BLUEPAD32.")
endif()
set(PICO_BOARD pico CACHE STRING "Board type")
if(SWITCH_PICO_INPUT_BACKEND STREQUAL "BLUEPAD32"
AND NOT PICO_BOARD STREQUAL "pico2_w")
message(FATAL_ERROR
"SWITCH_PICO_INPUT_BACKEND=BLUEPAD32 requires PICO_BOARD=pico2_w")
endif()
# Pull in Raspberry Pi Pico SDK (must be before project)
include(pico_sdk_import.cmake)
@ -34,12 +47,51 @@ project(switch-pico C CXX ASM)
# Initialise the Raspberry Pi Pico SDK
pico_sdk_init()
# Configure BLUEPAD32 input backend if selected
if(SWITCH_PICO_INPUT_BACKEND STREQUAL "BLUEPAD32")
# Ensure Python3 is available and execute patch preparation
find_package(Python3 REQUIRED COMPONENTS Interpreter)
set(BLUEPAD32_PREP_SCRIPT ${CMAKE_CURRENT_LIST_DIR}/tools/prepare_bluepad32.py)
execute_process(
COMMAND ${Python3_EXECUTABLE} ${BLUEPAD32_PREP_SCRIPT}
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
RESULT_VARIABLE BLUEPAD32_PREP_RESULT
OUTPUT_VARIABLE BLUEPAD32_PREP_OUTPUT
ERROR_VARIABLE BLUEPAD32_PREP_ERROR
)
if(NOT BLUEPAD32_PREP_RESULT EQUAL 0)
message(FATAL_ERROR
"Failed to prepare Bluepad32: Patch application or validation failed. "
"Details: ${BLUEPAD32_PREP_ERROR}")
endif()
# Configure Bluepad32 include paths and subdirectory
set(BLUEPAD32_ROOT ${CMAKE_CURRENT_LIST_DIR}/external/bluepad32)
set(BTSTACK_ROOT ${PICO_SDK_PATH}/lib/btstack)
include_directories(
${CMAKE_CURRENT_LIST_DIR}/bluepad32_config
${BTSTACK_ROOT}/3rd-party/bluedroid/encoder/include
${BTSTACK_ROOT}/3rd-party/bluedroid/decoder/include
${BTSTACK_ROOT}/src
)
add_subdirectory(
${BLUEPAD32_ROOT}/src/components/bluepad32
${CMAKE_CURRENT_BINARY_DIR}/libbluepad32
)
endif()
# Add executable. Default name is the project name, version 0.1
add_executable(switch-pico
switch-pico.cpp
switch_pro_driver.cpp
)
if(SWITCH_PICO_INPUT_BACKEND STREQUAL "BLUEPAD32")
target_sources(switch-pico PRIVATE bluepad32_input_backend.cpp)
target_compile_definitions(switch-pico PRIVATE SWITCH_PICO_BLUEPAD32=1)
endif()
pico_set_program_name(switch-pico "switch-pico")
pico_set_program_version(switch-pico "0.1")
@ -57,6 +109,16 @@ target_link_libraries(switch-pico
hardware_uart
pico_rand
)
if(SWITCH_PICO_INPUT_BACKEND STREQUAL "BLUEPAD32")
target_link_libraries(switch-pico
bluepad32
pico_cyw43_arch_none
pico_btstack_ble
pico_btstack_classic
pico_btstack_cyw43
pico_multicore
)
endif()
if (SWITCH_PICO_LOG)
target_compile_definitions(switch-pico PRIVATE SWITCH_PICO_LOG=1)