Bluetooth support

CMakeLists.txt

@@ -29,6 +29,30 @@ add_compile_options(-Wall -Werror)
 # uncomment for debug slurry
 add_compile_definitions(DEBUG_MESSAGES=1)
 
+# enable per-report mouse debug only when explicitly requested
+option(DEBUG_MOUSE "Enable per-report mouse debug output" OFF)
+if (DEBUG_MOUSE)
+	add_compile_definitions(DEBUG_MOUSE=1)
+endif ()
+
+# enable per-key keyboard debug only when explicitly requested
+option(DEBUG_KEYBOARD "Enable per-key keyboard debug output" OFF)
+if (DEBUG_KEYBOARD)
+	add_compile_definitions(DEBUG_KEYBOARD=1)
+endif ()
+
+# enable HID mount/status debug only when explicitly requested
+option(DEBUG_HID_STATUS "Enable HID status debug output" OFF)
+if (DEBUG_HID_STATUS)
+	add_compile_definitions(DEBUG_HID_STATUS=1)
+endif ()
+
+# enable bluetooth hid host support when building for pico w
+option(ENABLE_BLUETOOTH_HID "Enable Bluetooth HID host support on Pico W" OFF)
+if (ENABLE_BLUETOOTH_HID)
+	add_compile_definitions(ENABLE_BLUETOOTH_HID=1)
+endif ()
+
 # set the board revision (changes which pins are mapped to which ports)
 add_compile_definitions(${BOARD_TYPE})
 
@@ -37,4 +61,8 @@ add_compile_definitions(${BOARD_TYPE})
 
 pico_sdk_init()
 
+if (ENABLE_BLUETOOTH_HID AND NOT PICO_CYW43_SUPPORTED)
+	message(FATAL_ERROR "ENABLE_BLUETOOTH_HID requires a CYW43 board such as pico_w")
+endif ()
+
 add_subdirectory(src)

src/CMakeLists.txt

@@ -1,8 +1,15 @@
 add_executable(amigahid-pico
+  input_bridge.c
   main.c
   usb_hid.c
 )
 
+if (ENABLE_BLUETOOTH_HID)
+  target_sources(amigahid-pico PRIVATE
+    bt_hid.c
+  )
+endif ()
+
 add_subdirectory(platform)
 add_subdirectory(util)
 add_subdirectory(display)
@@ -16,6 +23,7 @@ pico_enable_stdio_uart(amigahid-pico 1)
 
 target_link_libraries(amigahid-pico PUBLIC
   pico_stdlib
+  pico_util
   pico_multicore
   hardware_dma
   hardware_gpio
@@ -25,6 +33,22 @@ target_link_libraries(amigahid-pico PUBLIC
   tinyusb_board
 )
 
+if (ENABLE_BLUETOOTH_HID)
+  target_compile_options(amigahid-pico PRIVATE
+    -Wno-error=maybe-uninitialized
+  )
+  target_link_libraries(amigahid-pico PUBLIC
+    pico_cyw43_arch_none
+    pico_btstack_ble
+    pico_btstack_classic
+    pico_btstack_cyw43
+  )
+endif ()
+
+if (ENABLE_BLUETOOTH_HID AND COMMAND suppress_btstack_warnings)
+  suppress_btstack_warnings()
+endif ()
+
 add_compile_definitions(PICO_USE_MALLOC_MUTEX=0)
 
 pico_add_extra_outputs(amigahid-pico)