diff --git a/README.md b/README.md
index 2d4a13cc9f..5c9b8f4888 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
- [Generic STM32WBA boards](#generic-stm32wba-boards)
- [Generic STM32WL boards](#generic-stm32wl-boards)
- [3D printer boards](#3d-printer-boards)
- - [Blues Wireless boards](#blues-wireless-boards)
+ - [Blues boards](#blues-boards)
- [Elecgator boards](#elecgator-boards)
- [Electronic Speed Controller boards](#electronic-speed-controller-boards)
- [Garatronic/McHobby boards](#garatronicmchobby-boards)
@@ -766,11 +766,12 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
| :green_heart: | STM32F446VE | [FYSETC_S6](https://wiki.fysetc.com/FYSETC_S6/) | *1.9.0* | |
| :green_heart: | STM32G0B1CB | [BTT EBB42 CAN V1.1](https://github.com/bigtreetech/EBB/tree/master/EBB%20CAN%20V1.1%20(STM32G0B1)/EBB42%20CAN%20V1.1) | *2.4.0* | |
-### [Blues Wireless](https://blues.io/) boards
+### [Blues](https://blues.com/) boards
| Status | Device(s) | Name | Release | Notes |
| :----: | :-------: | ---- | :-----: | :---- |
-| :green_heart: | STM32L4R5ZIYx | [Swan R5](https://blues.io/products/swan) | *2.1.0* | |
+| :green_heart: | STM32L4R5ZIYx | [Swan R5](https://blues.com/products/swan) | *3.0.0* | |
+| :green_heart: | STM32L431CC | [Cygnet L4](https://blues.com/products/cygnet) | *1.1.0* | |
### [Elecgator](https://www.elecgator.com/) boards
diff --git a/boards.txt b/boards.txt
index a7ec72b2a4..cf19f0ef03 100644
--- a/boards.txt
+++ b/boards.txt
@@ -10707,46 +10707,63 @@ GenWL.menu.upload_method.dfuMethod.upload.tool=stm32CubeProg
3dprinter.menu.upload_method.dfuMethod.upload.tool=stm32CubeProg
################################################################################
-# Blues Wireless boards
-
-BluesW.name=Blues Wireless boards
-
-BluesW.build.core=arduino
-BluesW.build.board=BluesWireless
-BluesW.build.variant_h=variant_{build.board}.h
-BluesW.build.st_extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial}
-BluesW.build.flash_offset=0x0
-BluesW.upload.maximum_size=0
-BluesW.upload.maximum_data_size=0
-
-# Swan R5 board
-BluesW.menu.pnum.SWAN_R5=Swan R5
-BluesW.menu.pnum.SWAN_R5.upload.maximum_size=2097152
-BluesW.menu.pnum.SWAN_R5.upload.maximum_data_size=655360
-BluesW.menu.pnum.SWAN_R5.build.mcu=cortex-m4
-BluesW.menu.pnum.SWAN_R5.build.fpu=-mfpu=fpv4-sp-d16
-BluesW.menu.pnum.SWAN_R5.build.float-abi=-mfloat-abi=hard
-BluesW.menu.pnum.SWAN_R5.build.board=SWAN_R5
-BluesW.menu.pnum.SWAN_R5.build.series=STM32L4xx
-BluesW.menu.pnum.SWAN_R5.build.product_line=STM32L4R5xx
-BluesW.menu.pnum.SWAN_R5.build.variant=STM32L4xx/L4R5Z(G-I)Y_L4R9Z(G-I)Y_L4S5ZIY_L4S9ZIY
-BluesW.menu.pnum.SWAN_R5.build.peripheral_pins=-DCUSTOM_PERIPHERAL_PINS
+# Blues boards
+
+Blues.name=Blues boards
+
+Blues.build.core=arduino
+Blues.build.board=Blues
+Blues.build.variant_h=variant_{build.board}.h
+Blues.build.st_extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial}
+Blues.build.flash_offset=0x0
+Blues.upload.maximum_size=0
+Blues.upload.maximum_data_size=0
+
+# Swan board
+Blues.menu.pnum.SWAN_R5=Swan R5
+Blues.menu.pnum.SWAN_R5.upload.maximum_size=2097152
+Blues.menu.pnum.SWAN_R5.upload.maximum_data_size=655360
+Blues.menu.pnum.SWAN_R5.build.mcu=cortex-m4
+Blues.menu.pnum.SWAN_R5.build.fpu=-mfpu=fpv4-sp-d16
+Blues.menu.pnum.SWAN_R5.build.float-abi=-mfloat-abi=hard
+Blues.menu.pnum.SWAN_R5.build.board=SWAN_R5
+Blues.menu.pnum.SWAN_R5.build.series=STM32L4xx
+Blues.menu.pnum.SWAN_R5.build.product_line=STM32L4R5xx
+Blues.menu.pnum.SWAN_R5.build.variant=STM32L4xx/L4R5Z(G-I)Y_L4R9Z(G-I)Y_L4S5ZIY_L4S9ZIY
+Blues.menu.pnum.SWAN_R5.build.peripheral_pins=-DCUSTOM_PERIPHERAL_PINS
+Blues.menu.pnum.SWAN_R5.build.vid=0x30A4
+Blues.menu.pnum.SWAN_R5.build.pid=0x0002
+
+# Cygnet board
+Blues.menu.pnum.CYGNET_L4=Cygnet L4
+Blues.menu.pnum.CYGNET_L4.upload.maximum_size=262144
+Blues.menu.pnum.CYGNET_L4.upload.maximum_data_size=65536
+Blues.menu.pnum.CYGNET_L4.build.mcu=cortex-m4
+Blues.menu.pnum.CYGNET_L4.build.fpu=-mfpu=fpv4-sp-d16
+Blues.menu.pnum.CYGNET_L4.build.float-abi=-mfloat-abi=hard
+Blues.menu.pnum.CYGNET_L4.build.board=CYGNET_L4
+Blues.menu.pnum.CYGNET_L4.build.series=STM32L4xx
+Blues.menu.pnum.CYGNET_L4.build.product_line=STM32L431xx
+Blues.menu.pnum.CYGNET_L4.build.variant=STM32L4xx/L431C(B-C)(T-U)
+Blues.menu.pnum.CYGNET_L4.build.peripheral_pins=-DCUSTOM_PERIPHERAL_PINS
+Blues.menu.pnum.CYGNET_L4.build.vid=0x30A4
+Blues.menu.pnum.CYGNET_L4.build.pid=0x0003
# Upload menu
-BluesW.menu.upload_method.swdMethod=STM32CubeProgrammer (SWD)
-BluesW.menu.upload_method.swdMethod.upload.protocol=0
-BluesW.menu.upload_method.swdMethod.upload.options=
-BluesW.menu.upload_method.swdMethod.upload.tool=stm32CubeProg
+Blues.menu.upload_method.swdMethod=STM32CubeProgrammer (SWD)
+Blues.menu.upload_method.swdMethod.upload.protocol=0
+Blues.menu.upload_method.swdMethod.upload.options=
+Blues.menu.upload_method.swdMethod.upload.tool=stm32CubeProg
-BluesW.menu.upload_method.serialMethod=STM32CubeProgrammer (Serial)
-BluesW.menu.upload_method.serialMethod.upload.protocol=1
-BluesW.menu.upload_method.serialMethod.upload.options={serial.port.file}
-BluesW.menu.upload_method.serialMethod.upload.tool=stm32CubeProg
+Blues.menu.upload_method.serialMethod=STM32CubeProgrammer (Serial)
+Blues.menu.upload_method.serialMethod.upload.protocol=1
+Blues.menu.upload_method.serialMethod.upload.options={serial.port.file}
+Blues.menu.upload_method.serialMethod.upload.tool=stm32CubeProg
-BluesW.menu.upload_method.dfuMethod=STM32CubeProgrammer (DFU)
-BluesW.menu.upload_method.dfuMethod.upload.protocol=2
-BluesW.menu.upload_method.dfuMethod.upload.options=
-BluesW.menu.upload_method.dfuMethod.upload.tool=stm32CubeProg
+Blues.menu.upload_method.dfuMethod=STM32CubeProgrammer (DFU)
+Blues.menu.upload_method.dfuMethod.upload.protocol=2
+Blues.menu.upload_method.dfuMethod.upload.options=
+Blues.menu.upload_method.dfuMethod.upload.tool=stm32CubeProg
################################################################################
# Elecgator boards
@@ -11443,11 +11460,11 @@ GenWL.menu.xserial.disabled.build.xSerial=
3dprinter.menu.xserial.disabled=Disabled (no Serial support)
3dprinter.menu.xserial.disabled.build.xSerial=
-BluesW.menu.xserial.generic=Enabled (generic 'Serial')
-BluesW.menu.xserial.none=Enabled (no generic 'Serial')
-BluesW.menu.xserial.none.build.xSerial=-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE
-BluesW.menu.xserial.disabled=Disabled (no Serial support)
-BluesW.menu.xserial.disabled.build.xSerial=
+Blues.menu.xserial.generic=Enabled (generic 'Serial')
+Blues.menu.xserial.none=Enabled (no generic 'Serial')
+Blues.menu.xserial.none.build.xSerial=-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE
+Blues.menu.xserial.disabled=Disabled (no Serial support)
+Blues.menu.xserial.disabled.build.xSerial=
Elecgator.menu.xserial.generic=Enabled (generic 'Serial')
Elecgator.menu.xserial.none=Enabled (no generic 'Serial')
@@ -11762,18 +11779,18 @@ GenWB.menu.xusb.HSFS.build.usb_speed=-DUSE_USB_HS -DUSE_USB_HS_IN_FS
3dprinter.menu.xusb.HSFS=High Speed in Full Speed mode
3dprinter.menu.xusb.HSFS.build.usb_speed=-DUSE_USB_HS -DUSE_USB_HS_IN_FS
-BluesW.menu.usb.CDCgen=CDC (generic 'Serial' supersede U(S)ART)
-BluesW.menu.usb.CDCgen.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC
-BluesW.menu.usb.CDC=CDC (no generic 'Serial')
-BluesW.menu.usb.CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DDISABLE_GENERIC_SERIALUSB
-BluesW.menu.usb.HID=HID (keyboard and mouse)
-BluesW.menu.usb.HID.build.enable_usb={build.usb_flags} -DUSBD_USE_HID_COMPOSITE
-BluesW.menu.usb.none=None
-BluesW.menu.xusb.FS=Low/Full Speed
-BluesW.menu.xusb.HS=High Speed
-BluesW.menu.xusb.HS.build.usb_speed=-DUSE_USB_HS
-BluesW.menu.xusb.HSFS=High Speed in Full Speed mode
-BluesW.menu.xusb.HSFS.build.usb_speed=-DUSE_USB_HS -DUSE_USB_HS_IN_FS
+Blues.menu.usb.CDCgen=CDC (generic 'Serial' supersede U(S)ART)
+Blues.menu.usb.CDCgen.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC
+Blues.menu.usb.CDC=CDC (no generic 'Serial')
+Blues.menu.usb.CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DDISABLE_GENERIC_SERIALUSB
+Blues.menu.usb.HID=HID (keyboard and mouse)
+Blues.menu.usb.HID.build.enable_usb={build.usb_flags} -DUSBD_USE_HID_COMPOSITE
+Blues.menu.usb.none=None
+Blues.menu.xusb.FS=Low/Full Speed
+Blues.menu.xusb.HS=High Speed
+Blues.menu.xusb.HS.build.usb_speed=-DUSE_USB_HS
+Blues.menu.xusb.HSFS=High Speed in Full Speed mode
+Blues.menu.xusb.HSFS.build.usb_speed=-DUSE_USB_HS -DUSE_USB_HS_IN_FS
Elecgator.menu.usb.none=None
Elecgator.menu.usb.CDCgen=CDC (generic 'Serial' supersede U(S)ART)
@@ -12367,25 +12384,25 @@ GenWL.menu.opt.o0std.build.flags.optimize=-O0
3dprinter.menu.opt.o0std=No Optimization (-O0)
3dprinter.menu.opt.o0std.build.flags.optimize=-O0
-BluesW.menu.opt.osstd=Smallest (-Os default)
-BluesW.menu.opt.oslto=Smallest (-Os) with LTO
-BluesW.menu.opt.oslto.build.flags.optimize=-Os -flto
-BluesW.menu.opt.o1std=Fast (-O1)
-BluesW.menu.opt.o1std.build.flags.optimize=-O1
-BluesW.menu.opt.o1lto=Fast (-O1) with LTO
-BluesW.menu.opt.o1lto.build.flags.optimize=-O1 -flto
-BluesW.menu.opt.o2std=Faster (-O2)
-BluesW.menu.opt.o2std.build.flags.optimize=-O2
-BluesW.menu.opt.o2lto=Faster (-O2) with LTO
-BluesW.menu.opt.o2lto.build.flags.optimize=-O2 -flto
-BluesW.menu.opt.o3std=Fastest (-O3)
-BluesW.menu.opt.o3std.build.flags.optimize=-O3
-BluesW.menu.opt.o3lto=Fastest (-O3) with LTO
-BluesW.menu.opt.o3lto.build.flags.optimize=-O3 -flto
-BluesW.menu.opt.ogstd=Debug (-Og)
-BluesW.menu.opt.ogstd.build.flags.optimize=-Og
-BluesW.menu.opt.o0std=No Optimization (-O0)
-BluesW.menu.opt.o0std.build.flags.optimize=-O0
+Blues.menu.opt.osstd=Smallest (-Os default)
+Blues.menu.opt.oslto=Smallest (-Os) with LTO
+Blues.menu.opt.oslto.build.flags.optimize=-Os -flto
+Blues.menu.opt.o1std=Fast (-O1)
+Blues.menu.opt.o1std.build.flags.optimize=-O1
+Blues.menu.opt.o1lto=Fast (-O1) with LTO
+Blues.menu.opt.o1lto.build.flags.optimize=-O1 -flto
+Blues.menu.opt.o2std=Faster (-O2)
+Blues.menu.opt.o2std.build.flags.optimize=-O2
+Blues.menu.opt.o2lto=Faster (-O2) with LTO
+Blues.menu.opt.o2lto.build.flags.optimize=-O2 -flto
+Blues.menu.opt.o3std=Fastest (-O3)
+Blues.menu.opt.o3std.build.flags.optimize=-O3
+Blues.menu.opt.o3lto=Fastest (-O3) with LTO
+Blues.menu.opt.o3lto.build.flags.optimize=-O3 -flto
+Blues.menu.opt.ogstd=Debug (-Og)
+Blues.menu.opt.ogstd.build.flags.optimize=-Og
+Blues.menu.opt.o0std=No Optimization (-O0)
+Blues.menu.opt.o0std.build.flags.optimize=-O0
Elecgator.menu.opt.osstd=Smallest (-Os default)
Elecgator.menu.opt.oslto=Smallest (-Os) with LTO
@@ -12744,13 +12761,13 @@ GenWL.menu.dbg.enable_all.build.flags.debug=-g
3dprinter.menu.dbg.enable_all=Core Logs and Symbols Enabled (-g)
3dprinter.menu.dbg.enable_all.build.flags.debug=-g
-BluesW.menu.dbg.none=None
-BluesW.menu.dbg.enable_sym=Symbols Enabled (-g)
-BluesW.menu.dbg.enable_sym.build.flags.debug=-g -DNDEBUG
-BluesW.menu.dbg.enable_log=Core logs Enabled
-BluesW.menu.dbg.enable_log.build.flags.debug=
-BluesW.menu.dbg.enable_all=Core Logs and Symbols Enabled (-g)
-BluesW.menu.dbg.enable_all.build.flags.debug=-g
+Blues.menu.dbg.none=None
+Blues.menu.dbg.enable_sym=Symbols Enabled (-g)
+Blues.menu.dbg.enable_sym.build.flags.debug=-g -DNDEBUG
+Blues.menu.dbg.enable_log=Core logs Enabled
+Blues.menu.dbg.enable_log.build.flags.debug=
+Blues.menu.dbg.enable_all=Core Logs and Symbols Enabled (-g)
+Blues.menu.dbg.enable_all.build.flags.debug=-g
Elecgator.menu.dbg.none=None
Elecgator.menu.dbg.enable_sym=Symbols Enabled (-g)
@@ -13077,15 +13094,15 @@ GenWL.menu.rtlib.full.build.flags.ldspecs=
3dprinter.menu.rtlib.full=Newlib Standard
3dprinter.menu.rtlib.full.build.flags.ldspecs=
-BluesW.menu.rtlib.nano=Newlib Nano (default)
-BluesW.menu.rtlib.nanofp=Newlib Nano + Float Printf
-BluesW.menu.rtlib.nanofp.build.flags.ldspecs=--specs=nano.specs -u _printf_float
-BluesW.menu.rtlib.nanofs=Newlib Nano + Float Scanf
-BluesW.menu.rtlib.nanofs.build.flags.ldspecs=--specs=nano.specs -u _scanf_float
-BluesW.menu.rtlib.nanofps=Newlib Nano + Float Printf/Scanf
-BluesW.menu.rtlib.nanofps.build.flags.ldspecs=--specs=nano.specs -u _printf_float -u _scanf_float
-BluesW.menu.rtlib.full=Newlib Standard
-BluesW.menu.rtlib.full.build.flags.ldspecs=
+Blues.menu.rtlib.nano=Newlib Nano (default)
+Blues.menu.rtlib.nanofp=Newlib Nano + Float Printf
+Blues.menu.rtlib.nanofp.build.flags.ldspecs=--specs=nano.specs -u _printf_float
+Blues.menu.rtlib.nanofs=Newlib Nano + Float Scanf
+Blues.menu.rtlib.nanofs.build.flags.ldspecs=--specs=nano.specs -u _scanf_float
+Blues.menu.rtlib.nanofps=Newlib Nano + Float Printf/Scanf
+Blues.menu.rtlib.nanofps.build.flags.ldspecs=--specs=nano.specs -u _printf_float -u _scanf_float
+Blues.menu.rtlib.full=Newlib Standard
+Blues.menu.rtlib.full.build.flags.ldspecs=
Elecgator.menu.rtlib.nano=Newlib Nano (default)
Elecgator.menu.rtlib.nanofp=Newlib Nano + Float Printf
diff --git a/cmake/boards_db.cmake b/cmake/boards_db.cmake
index 17af4f861d..df7b8b178b 100644
--- a/cmake/boards_db.cmake
+++ b/cmake/boards_db.cmake
@@ -105964,6 +105964,88 @@ target_compile_options(SWAN_R5_xusb_HSFS INTERFACE
"SHELL:-DUSE_USB_HS -DUSE_USB_HS_IN_FS"
)
+# CYGNET_L4
+# -----------------------------------------------------------------------------
+
+set(CYGNET_L4_VARIANT_PATH "${CMAKE_CURRENT_LIST_DIR}/../variants/STM32L4xx/L431C(B-C)(T-U)")
+set(CYGNET_L4_MAXSIZE 262144)
+set(CYGNET_L4_MAXDATASIZE 65536)
+set(CYGNET_L4_MCU cortex-m4)
+set(CYGNET_L4_FPCONF "fpv4-sp-d16-hard")
+add_library(CYGNET_L4 INTERFACE)
+target_compile_options(CYGNET_L4 INTERFACE
+ "SHELL:-DSTM32L4xx "
+ "SHELL:-DCUSTOM_PERIPHERAL_PINS"
+ "SHELL:"
+ "SHELL:-mfpu=fpv4-sp-d16 -mfloat-abi=hard"
+ -mcpu=${CYGNET_L4_MCU}
+)
+target_compile_definitions(CYGNET_L4 INTERFACE
+ "STM32L4xx"
+ "ARDUINO_CYGNET_L4"
+ "BOARD_NAME=\"CYGNET_L4\""
+ "BOARD_ID=CYGNET_L4"
+ "VARIANT_H=\"variant_CYGNET_L4.h\""
+)
+target_include_directories(CYGNET_L4 INTERFACE
+ ${CMAKE_CURRENT_LIST_DIR}/../system/STM32L4xx
+ ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/STM32L4xx_HAL_Driver/Inc
+ ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/STM32L4xx_HAL_Driver/Src
+ ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/CMSIS/Device/ST/STM32L4xx/Include/
+ ${CMAKE_CURRENT_LIST_DIR}/../system/Drivers/CMSIS/Device/ST/STM32L4xx/Source/Templates/gcc/
+ ${CYGNET_L4_VARIANT_PATH}
+)
+
+target_link_options(CYGNET_L4 INTERFACE
+ "LINKER:--default-script=${CYGNET_L4_VARIANT_PATH}/ldscript.ld"
+ "LINKER:--defsym=LD_FLASH_OFFSET=0x0"
+ "LINKER:--defsym=LD_MAX_SIZE=262144"
+ "LINKER:--defsym=LD_MAX_DATA_SIZE=65536"
+ "SHELL:-mfpu=fpv4-sp-d16 -mfloat-abi=hard"
+ -mcpu=${CYGNET_L4_MCU}
+)
+
+add_library(CYGNET_L4_serial_disabled INTERFACE)
+target_compile_options(CYGNET_L4_serial_disabled INTERFACE
+ "SHELL:"
+)
+add_library(CYGNET_L4_serial_generic INTERFACE)
+target_compile_options(CYGNET_L4_serial_generic INTERFACE
+ "SHELL:-DHAL_UART_MODULE_ENABLED"
+)
+add_library(CYGNET_L4_serial_none INTERFACE)
+target_compile_options(CYGNET_L4_serial_none INTERFACE
+ "SHELL:-DHAL_UART_MODULE_ENABLED -DHWSERIAL_NONE"
+)
+add_library(CYGNET_L4_usb_CDC INTERFACE)
+target_compile_options(CYGNET_L4_usb_CDC INTERFACE
+ "SHELL:-DUSBCON -DUSBD_VID=0 -DUSBD_PID=-1 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_CDC -DDISABLE_GENERIC_SERIALUSB"
+)
+add_library(CYGNET_L4_usb_CDCgen INTERFACE)
+target_compile_options(CYGNET_L4_usb_CDCgen INTERFACE
+ "SHELL:-DUSBCON -DUSBD_VID=0 -DUSBD_PID=-1 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_CDC"
+)
+add_library(CYGNET_L4_usb_HID INTERFACE)
+target_compile_options(CYGNET_L4_usb_HID INTERFACE
+ "SHELL:-DUSBCON -DUSBD_VID=0 -DUSBD_PID=-1 -DHAL_PCD_MODULE_ENABLED -DUSBD_USE_HID_COMPOSITE"
+)
+add_library(CYGNET_L4_usb_none INTERFACE)
+target_compile_options(CYGNET_L4_usb_none INTERFACE
+ "SHELL:"
+)
+add_library(CYGNET_L4_xusb_FS INTERFACE)
+target_compile_options(CYGNET_L4_xusb_FS INTERFACE
+ "SHELL:"
+)
+add_library(CYGNET_L4_xusb_HS INTERFACE)
+target_compile_options(CYGNET_L4_xusb_HS INTERFACE
+ "SHELL:-DUSE_USB_HS"
+)
+add_library(CYGNET_L4_xusb_HSFS INTERFACE)
+target_compile_options(CYGNET_L4_xusb_HSFS INTERFACE
+ "SHELL:-DUSE_USB_HS -DUSE_USB_HS_IN_FS"
+)
+
# THUNDERPACK_F411
# -----------------------------------------------------------------------------
diff --git a/tools/platformio/boards_remap.json b/tools/platformio/boards_remap.json
index 9a622e4666..c9297556ab 100644
--- a/tools/platformio/boards_remap.json
+++ b/tools/platformio/boards_remap.json
@@ -30,7 +30,8 @@
"thunder_pack_f411": "THUNDERPACK_F411",
"vccgnd_f103zet6": "VCCGND_F103ZET6_MINI",
"waveshare_open103z": "GENERIC_F103ZEHX",
- "bw_swan_r5": "SWAN_R5",
+ "blues_swan_r5": "SWAN_R5",
+ "blues_cygnet_l4": "CYGNET_L4",
"disco_b_g431b_esc1": "B_G431B_ESC1",
"disco_b_u585i_iot02a": "B_U585I_IOT02A",
"nucleo_wl55jc": "NUCLEO_WL55JC1"
diff --git a/variants/STM32L4xx/L431C(B-C)(T-U)/CMakeLists.txt b/variants/STM32L4xx/L431C(B-C)(T-U)/CMakeLists.txt
index 2a4d55b6b1..6d912fd619 100644
--- a/variants/STM32L4xx/L431C(B-C)(T-U)/CMakeLists.txt
+++ b/variants/STM32L4xx/L431C(B-C)(T-U)/CMakeLists.txt
@@ -21,7 +21,9 @@ target_link_libraries(variant INTERFACE variant_usage)
add_library(variant_bin STATIC EXCLUDE_FROM_ALL
generic_clock.c
PeripheralPins.c
+ PeripheralPins_CYGNET_L4.c
variant_generic.cpp
+ variant_CYGNET_L4.cpp
)
target_link_libraries(variant_bin PUBLIC variant_usage)
diff --git a/variants/STM32L4xx/L431C(B-C)(T-U)/PeripheralPins_CYGNET_L4.c b/variants/STM32L4xx/L431C(B-C)(T-U)/PeripheralPins_CYGNET_L4.c
new file mode 100644
index 0000000000..9dacf7d3eb
--- /dev/null
+++ b/variants/STM32L4xx/L431C(B-C)(T-U)/PeripheralPins_CYGNET_L4.c
@@ -0,0 +1,296 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+/*
+ * Manually generated by Blues with knowledge of the CYGNET schematic
+ */
+#if defined(ARDUINO_CYGNET_L4)
+#include "Arduino.h"
+#include "PeripheralPins.h"
+
+/* =====
+ * Notes:
+ * - The pins mentioned Px_y_ALTz are alternative possibilities which use other
+ * HW peripheral instances. You can use them the same way as any other "normal"
+ * pin (i.e. analogWrite(PA7_ALT1, 128);).
+ *
+ * - Commented lines are alternative possibilities which are not used per default.
+ * If you change them, you will have to know what you do
+ * =====
+ */
+
+//*** ADC ***
+
+#ifdef HAL_ADC_MODULE_ENABLED
+WEAK const PinMap PinMap_ADC[] = {
+ {PA_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 5, 0)}, // ADC1_IN5 - A0
+ {PA_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 6, 0)}, // ADC1_IN6 - A1
+ {PA_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 7, 0)}, // ADC1_IN7 - A2
+ {PA_3, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 8, 0)}, // ADC1_IN8 - A3
+ {PA_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 9, 0)}, // ADC1_IN9 - BAT_VOLTAGE
+ {PA_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 10, 0)}, // ADC1_IN10 - CK
+ {PA_6, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 11, 0)}, // ADC1_IN11 - MI
+ {PA_7, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 12, 0)}, // ADC1_IN12 - A5
+ {PB_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 15, 0)}, // ADC1_IN15 - D11
+ {PB_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 16, 0)}, // ADC1_IN16 - A4
+ {NC, NP, 0}
+};
+#endif
+
+//*** DAC ***
+
+#ifdef HAL_DAC_MODULE_ENABLED
+WEAK const PinMap PinMap_DAC[] = {
+// {PA_4, DAC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 1, 0)}, // DAC1_OUT1 - BAT_VOLTAGE
+ {PA_5, DAC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 2, 0)}, // DAC1_OUT2 - CK
+ {NC, NP, 0}
+};
+#endif
+
+//*** I2C ***
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SDA[] = {
+ {PA_10, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, // - RX
+ {PB_4, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)}, // - D13
+ {PB_7, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, // - SDA
+ {PB_9, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, // - D6
+// {PB_11, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)}, // - LPUART1_VCP_TX
+ {PB_14, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)}, // - D9
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SCL[] = {
+ {PA_7, I2C3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)}, // - A5
+ {PA_9, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, // - TX
+ {PB_6, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, // - SCL
+ {PB_8, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)}, // - D5
+// {PB_10, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)}, // - LPUART1_VCP_RX
+ {PB_13, I2C2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)}, // - D10
+ {NC, NP, 0}
+};
+#endif
+
+//*** No I3C ***
+
+//*** TIM ***
+
+#ifdef HAL_TIM_MODULE_ENABLED
+WEAK const PinMap PinMap_TIM[] = {
+ {PA_0, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1 - A0
+ {PA_1, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 2, 0)}, // TIM2_CH2 - A1
+ {PA_1_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM15, 1, 1)}, // TIM15_CH1N - A1
+ {PA_2, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 3, 0)}, // TIM2_CH3 - A2
+ {PA_2_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM15, 1, 0)}, // TIM15_CH1 - A2
+ {PA_3, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 4, 0)}, // TIM2_CH4 - A3
+ {PA_3_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM15, 2, 0)}, // TIM15_CH2 - A3
+ {PA_5, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1 - CK
+ {PA_6, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM16, 1, 0)}, // TIM16_CH1 - MI
+ {PA_7, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 1)}, // TIM1_CH1N - A5
+ {PA_8, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 0)}, // TIM1_CH1 - LED_BUILTIN
+ {PA_9, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 0)}, // TIM1_CH2 - TX
+ {PA_10, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 0)}, // TIM1_CH3 - RX
+// {PA_11, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 4, 0)}, // TIM1_CH4 - USB_DM
+// {PA_15, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 1, 0)}, // TIM2_CH1 - CHARGE_DETECT
+ {PB_0, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 1)}, // TIM1_CH2N - D11
+ {PB_1, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 1)}, // TIM1_CH3N - A4
+// {PB_3, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 2, 0)}, // TIM2_CH2 - USER_BTN
+ {PB_6, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM16, 1, 1)}, // TIM16_CH1N - SCL
+ {PB_8, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM16, 1, 0)}, // TIM16_CH1 - D5
+// {PB_10, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 3, 0)}, // TIM2_CH3 - LPUART1_VCP_RX
+// {PB_11, TIM2, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM2, 4, 0)}, // TIM2_CH4 - LPUART1_VCP_TX
+ {PB_13, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 1, 1)}, // TIM1_CH1N - D10
+ {PB_13_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM15, 1, 1)}, // TIM15_CH1N - D10
+ {PB_14, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 2, 1)}, // TIM1_CH2N - D9
+ {PB_14_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM15, 1, 0)}, // TIM15_CH1 - D9
+ {PB_15, TIM1, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM1, 3, 1)}, // TIM1_CH3N - D12
+ {PB_15_ALT1, TIM15, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF14_TIM15, 2, 0)}, // TIM15_CH2 - D12
+ {NC, NP, 0}
+};
+#endif
+
+//*** UART ***
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_TX[] = {
+ {PA_2, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)}, // - A2
+ {PA_2_ALT1, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)}, // - A2
+ {PA_9, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)}, // - TX
+ {PB_6, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)}, // - SCL
+ {PB_10, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // - LPUART1_VCP_RX
+ {PB_11, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)}, // - LPUART1_VCP_TX
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_RX[] = {
+ {PA_3, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)}, // - A3
+ {PA_3_ALT1, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)}, // - A3
+ {PA_10, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)}, // - RX
+// {PA_15, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF3_USART2)}, // - CHARGE_DETECT
+ {PB_7, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)}, // - SDA
+ {PB_10, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)}, // - LPUART1_VCP_RX
+ {PB_11, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // - LPUART1_VCP_TX
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_RTS[] = {
+ {PA_1, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)}, // - A1
+// {PA_12, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)}, // - USB_DP
+// {PA_15, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // - CHARGE_DETECT
+ {PB_1, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)}, // - A4
+ {PB_1_ALT1, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // - A4
+// {PB_3, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)}, // - USER_BTN
+// {PB_12, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)}, // - NC
+ {PB_14, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // - D9
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_CTS[] = {
+ {PA_0, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)}, // - A0
+ {PA_6, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)}, // - MI
+ {PA_6_ALT1, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // - MI
+// {PA_11, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)}, // - USB_DM
+ {PB_4, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)}, // - D13
+ {PB_13, LPUART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_LPUART1)}, // - D10
+ {PB_13_ALT1, USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // - D10
+ {NC, NP, 0}
+};
+#endif
+
+//*** SPI ***
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MOSI[] = {
+ {PA_7, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - A5
+// {PA_12, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - USB_DP
+ {PB_5, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - MO
+ {PB_5_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)}, // - MO
+ {PB_15, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, // - D12
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MISO[] = {
+ {PA_6, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - MI
+// {PA_11, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - USB_DM
+ {PB_4, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - D13
+ {PB_4_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)}, // - D13
+ {PB_14, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, // - D9
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_SCLK[] = {
+ {PA_1, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - A1
+ {PA_5, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - CK
+// {PB_3, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - USER_BTN
+// {PB_3_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)}, // - USER_BTN
+// {PB_10, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, // - LPUART1_VCP_RX
+ {PB_13, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, // - D10
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_SSEL[] = {
+// {PA_4, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - BAT_VOLTAGE
+// {PA_4_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)}, // - BAT_VOLTAGE
+// {PA_15, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - CHARGE_DETECT
+// {PA_15_ALT1, SPI3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF6_SPI3)}, // - CHARGE_DETECT
+ {PB_0, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI1)}, // - D11
+ {PB_9, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, // - D6
+// {PB_12, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)}, // - NC
+ {NC, NP, 0}
+};
+#endif
+
+//*** CAN ***
+
+#if defined(HAL_CAN_MODULE_ENABLED) || defined(HAL_CAN_LEGACY_MODULE_ENABLED)
+WEAK const PinMap PinMap_CAN_RD[] = {
+// {PA_11, CAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF9_CAN1)}, // - USB_DM
+ {PB_8, CAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF9_CAN1)}, // - D5
+ {NC, NP, 0}
+};
+#endif
+
+#if defined(HAL_CAN_MODULE_ENABLED) || defined(HAL_CAN_LEGACY_MODULE_ENABLED)
+WEAK const PinMap PinMap_CAN_TD[] = {
+// {PA_12, CAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF9_CAN1)}, // - USB_DP
+ {PB_9, CAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF9_CAN1)}, // - D6
+ {NC, NP, 0}
+};
+#endif
+
+//*** No ETHERNET ***
+
+//*** QUADSPI ***
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+WEAK const PinMap PinMap_QUADSPI_DATA0[] = {
+ {PB_1, QUADSPI, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QUADSPI)}, // QUADSPI_BK1_IO0 - A4
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+WEAK const PinMap PinMap_QUADSPI_DATA1[] = {
+ {PB_0, QUADSPI, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QUADSPI)}, // QUADSPI_BK1_IO1 - D11
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+WEAK const PinMap PinMap_QUADSPI_DATA2[] = {
+ {PA_7, QUADSPI, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QUADSPI)}, // QUADSPI_BK1_IO2 - A5
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+WEAK const PinMap PinMap_QUADSPI_DATA3[] = {
+ {PA_6, QUADSPI, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QUADSPI)}, // QUADSPI_BK1_IO3 - MI
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+WEAK const PinMap PinMap_QUADSPI_SCLK[] = {
+ {PA_3, QUADSPI, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QUADSPI)}, // QUADSPI_CLK - A3
+// {PB_10, QUADSPI, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QUADSPI)}, // QUADSPI_CLK - LPUART1_VCP_RX
+ {NC, NP, 0}
+};
+#endif
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+WEAK const PinMap PinMap_QUADSPI_SSEL[] = {
+ {PA_2, QUADSPI, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QUADSPI)}, // QUADSPI_BK1_NCS - A2
+// {PB_11, QUADSPI, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF10_QUADSPI)}, // QUADSPI_BK1_NCS - LPUART1_VCP_TX
+ {NC, NP, 0}
+};
+#endif
+
+//*** No USB ***
+
+//*** No SD ***
+
+#endif /* !CUSTOM_PERIPHERAL_PINS */
diff --git a/variants/STM32L4xx/L431C(B-C)(T-U)/variant_CYGNET_L4.cpp b/variants/STM32L4xx/L431C(B-C)(T-U)/variant_CYGNET_L4.cpp
new file mode 100644
index 0000000000..25eac01a26
--- /dev/null
+++ b/variants/STM32L4xx/L431C(B-C)(T-U)/variant_CYGNET_L4.cpp
@@ -0,0 +1,168 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+#if defined(ARDUINO_CYGNET_L4)
+#include "pins_arduino.h"
+
+// Digital PinName array
+const PinName digitalPin[] = {
+ PA_0, // 0 - A0/D0
+ PA_1, // 1 - A1/D1
+ PA_2, // 2 - A2/D2
+ PA_3, // 3 - A3/D3
+ PB_1, // 4 - A4/D4
+ PB_8, // 5 - D5
+ PB_9, // 6 - D6
+ PA_4, // 7 - BAT_VOLTAGE
+ PA_8, // 8 - LED_BUILTIN
+ PB_14, // 9 - D9
+ PB_13, // 10 - D10
+ PB_0, // 11 - D11
+ PB_15, // 12 - D12
+ PB_4, // 13 - D13
+ PA_5, // 14 - CK
+ PA_6, // 15 - MI
+ PA_7, // 16 - A5
+ PA_9, // 17 - TX
+ PA_10, // 18 - RX
+ PA_11, // 19 - USB_DM
+ PA_12, // 20 - USB_DP
+ PA_13, // 21 - SWDIO
+ PA_14, // 22 - SWCLK
+ PA_15, // 23 - CHARGE_DETECT
+ PB_3, // 24 - USER_BTN
+ PB_5, // 25 - MO
+ PB_6, // 26 - SCL
+ PB_7, // 27 - SDA
+ PB_10, // 28 - LPUART1_VCP_RX
+ PB_11, // 29 - LPUART1_VCP_TX
+ PC_13, // 30 - USB_DETECT
+ PC_14, // 31 - OSC32_IN
+ PC_15, // 32 - OSC32_OUT
+ PH_0, // 33 - ENABLE_3V3
+ PH_1, // 34 - DISCHARGE_3V3
+ PH_3 // 35 - B
+};
+
+// Analog (Ax) to digital pin number array
+const uint32_t analogInputPin[] = {
+ 0, // A0, PA0
+ 1, // A1, PA1
+ 2, // A2, PA2
+ 3, // A3, PA3
+ 4, // A4, PB1
+ 16 // A5, PA7
+};
+
+// ----------------------------------------------------------------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+WEAK void initVariant(void)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ // Init lines that we'll be using below
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_GPIOC_CLK_ENABLE();
+ __HAL_RCC_GPIOH_CLK_ENABLE();
+
+ /* Set DISCHARGE_3V3 as well as the pins we're not initially using to FLOAT */
+ GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Pin = GPIO_PIN_1;
+ HAL_GPIO_Init(GPIOH, &GPIO_InitStruct); /* PH1 DISCHARGE_3V3 */
+ GPIO_InitStruct.Pin = GPIO_PIN_13;
+ HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* PC13 is USB_DETECT */
+ GPIO_InitStruct.Pin = GPIO_PIN_15;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* PA15 is CHARGE_DETECT */
+ GPIO_InitStruct.Pin = GPIO_PIN_4;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* PA4 is BAT_VOLTAGE */
+
+ /* Turn on the 3V3 regulator */
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
+ GPIO_InitStruct.Pin = GPIO_PIN_0;
+ HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
+ HAL_GPIO_WritePin(GPIOH, GPIO_InitStruct.Pin, GPIO_PIN_SET);
+
+}
+
+/**
+ * @brief System Clock Configuration
+ * @param None
+ * @retval None
+ */
+WEAK void SystemClock_Config(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+ RCC_PeriphCLKInitTypeDef PeriphClkInit = {};
+
+ /** Configure the main internal regulator output voltage
+ */
+ if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK) {
+ Error_Handler();
+ }
+ /** Configure LSE Drive Capability
+ */
+ HAL_PWR_EnableBkUpAccess();
+ __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
+ /** Initializes the RCC Oscillators according to the specified parameters
+ * in the RCC_OscInitTypeDef structure.
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_MSI;
+ RCC_OscInitStruct.LSEState = RCC_LSE_ON;
+ RCC_OscInitStruct.MSIState = RCC_MSI_ON;
+ RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_11;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ Error_Handler();
+ }
+ /** Initializes the CPU, AHB and APB buses clocks
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+ | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+ Error_Handler();
+ }
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB | RCC_PERIPHCLK_SDMMC1
+ | RCC_PERIPHCLK_ADC | RCC_PERIPHCLK_OSPI;
+ PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_SYSCLK;
+ PeriphClkInit.OspiClockSelection = RCC_OSPICLKSOURCE_SYSCLK;
+ PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_MSI;
+ PeriphClkInit.Sdmmc1ClockSelection = RCC_SDMMC1CLKSOURCE_MSI;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
+ Error_Handler();
+ }
+ /** Enable MSI Auto calibration
+ */
+ HAL_RCCEx_EnableMSIPLLMode();
+
+ /** Ensure that MSI is wake-up system clock
+ */
+ __HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_STOP_WAKEUPCLOCK_MSI);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ARDUINO_CYGNET_L4 */
diff --git a/variants/STM32L4xx/L431C(B-C)(T-U)/variant_CYGNET_L4.h b/variants/STM32L4xx/L431C(B-C)(T-U)/variant_CYGNET_L4.h
new file mode 100644
index 0000000000..ed0e3810e6
--- /dev/null
+++ b/variants/STM32L4xx/L431C(B-C)(T-U)/variant_CYGNET_L4.h
@@ -0,0 +1,208 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+#pragma once
+
+/*----------------------------------------------------------------------------
+ * Arduino digital pin numbers on the right (indexes into the digitalPin[] array)
+ * and the STM32 pins they correspond to on the left. The only apparent
+ * function I can see is to reference a pin in a sketch in something
+ * like digitalWrite() and have it index into digitalPin[] to find the
+ * actual pin. On the other hand, PIN_A* are numbers offset by PNUM_ANALOG_BASE,
+ * which serves to say that this IS an analog pin and which tells analogWrite
+ * to index into the digitalPin[] array to find the actual pin.
+ *----------------------------------------------------------------------------*/
+#define PA0 PIN_A0 // A0/D0
+#define PA1 PIN_A1 // A1/D1
+#define PA2 PIN_A2 // A2/D2
+#define PA3 PIN_A3 // A3/D3
+#define PB1 PIN_A4 // A4/D4
+#define PB8 5 // D5
+#define PB9 6 // D6
+#define PA4 7 // BAT_VOLTAGE
+#define PA8 8 // LED_BUILTIN
+#define PB14 9 // D9
+#define PB13 10 // D10
+#define PB0 11 // D11
+#define PB15 12 // D12
+#define PB4 13 // D13
+#define PA5 14 // CK
+#define PA6 15 // MI
+#define PA7 PIN_A5 // A5
+#define PA9 17 // TX
+#define PA10 18 // RX
+#define PA11 19 // USB_DM
+#define PA12 20 // USB_DP
+#define PA13 21 // SWDIO
+#define PA14 22 // SWCLK
+#define PA15 23 // CHARGE_DETECT
+#define PB3 24 // USER_BTN
+#define PB5 25 // MO
+#define PB6 26 // SCL
+#define PB7 27 // SDA
+#define PB10 28 // LPUART1_VCP_RX
+#define PB11 29 // LPUART1_VCP_TX
+#define PC13 30 // USB_DETECT
+#define PC14 31 // OSC32_IN
+#define PC15 32 // OSC32_OUT
+#define PH0 33 // ENABLE_3V3
+#define PH1 34 // DISCHARGE_3V3
+#define PH3 35 // B
+
+// Alternate pins number
+#define PA1_ALT1 (PA1 | ALT1)
+#define PA2_ALT1 (PA2 | ALT1)
+#define PA3_ALT1 (PA3 | ALT1)
+#define PA4_ALT1 (PA4 | ALT1)
+#define PA6_ALT1 (PA6 | ALT1)
+#define PA15_ALT1 (PA15 | ALT1)
+#define PB1_ALT1 (PB1 | ALT1)
+#define PB3_ALT1 (PB3 | ALT1)
+#define PB4_ALT1 (PB4 | ALT1)
+#define PB5_ALT1 (PB5 | ALT1)
+#define PB13_ALT1 (PB13 | ALT1)
+#define PB14_ALT1 (PB14 | ALT1)
+#define PB15_ALT1 (PB15 | ALT1)
+
+#define NUM_DIGITAL_PINS 36
+#define NUM_ANALOG_INPUTS 6
+
+// On-board LED pin number
+#ifndef LED_BUILTIN
+ #define LED_BUILTIN PA8
+#endif
+
+// On-board user button
+#ifndef USER_BTN
+ #define USER_BTN PB3
+#endif
+
+// Power switch ENABLE and DISCHARGE pins
+#ifndef ENABLE_3V3
+#define ENABLE_3V3 PH0
+#endif
+#ifndef DISCHARGE_3V3
+ #define DISCHARGE_3V3 PH1
+ #define DISABLE_DISCHARGING HIGH
+ #define ENABLE_DISCHARGING LOW
+#endif
+#ifndef CHARGE_DETECT
+#define CHARGE_DETECT PA15
+#endif
+
+// SPI definitions
+#ifndef PIN_SPI_SS
+#define PIN_SPI_SS PB8 // Just default to D5, because we don't have a CS pin
+#endif
+#ifndef PIN_SPI_SS1
+ #define PIN_SPI_SS1 PNUM_NOT_DEFINED
+#endif
+#ifndef PIN_SPI_SS2
+ #define PIN_SPI_SS2 PNUM_NOT_DEFINED
+#endif
+#ifndef PIN_SPI_SS3
+ #define PIN_SPI_SS3 PNUM_NOT_DEFINED
+#endif
+#ifndef PIN_SPI_MOSI
+ #define PIN_SPI_MOSI PB5
+#endif
+#ifndef PIN_SPI_MISO
+ #define PIN_SPI_MISO PA6
+#endif
+#ifndef PIN_SPI_SCK
+ #define PIN_SPI_SCK PA5
+#endif
+
+// I2C definitions
+#ifndef PIN_WIRE_SDA
+ #define PIN_WIRE_SDA PB7
+#endif
+#ifndef PIN_WIRE_SCL
+ #define PIN_WIRE_SCL PB6
+#endif
+
+// Timer Definitions
+// Use TIM6/TIM7 when possible as servo and tone don't need GPIO output pin
+#ifndef TIMER_TONE
+ #define TIMER_TONE TIM6
+#endif
+#ifndef TIMER_SERVO
+ #define TIMER_SERVO TIM7
+#endif
+
+// UART Definitions
+#ifndef SERIAL_UART_INSTANCE
+ #define SERIAL_UART_INSTANCE 101
+#endif
+
+// Default pin used for generic 'Serial' instance
+// Mandatory for Firmata
+#ifndef PIN_SERIAL_RX
+ #define PIN_SERIAL_RX PA10
+#endif
+#ifndef PIN_SERIAL_TX
+ #define PIN_SERIAL_TX PA9
+#endif
+
+// LPUART1
+#ifndef PIN_SERIAL_LP1_RX
+ #define PIN_SERIAL_LP1_RX PB10
+#endif
+#ifndef PIN_SERIAL_LP1_TX
+ #define PIN_SERIAL_LP1_TX PB11
+#endif
+
+// Virtual COM Port for Cygnet with a 14-pin STLink Connector mounted.
+// To use the STLINK's Virtual COM port, this would be added to an Arduino project:
+// HardwareSerial SerialVCP(PIN_VCP_RX, PIN_VCP_TX);
+#ifndef PIN_VCP_RX
+ #define PIN_VCP_RX PIN_SERIAL_LP1_RX
+#endif
+#ifndef PIN_VCP_TX
+ #define PIN_VCP_TX PIN_SERIAL_LP1_TX
+#endif
+
+// Extra HAL modules
+#if !defined(HAL_DAC_MODULE_DISABLED)
+ #define HAL_DAC_MODULE_ENABLED
+#endif
+#if !defined(HAL_QSPI_MODULE_DISABLED)
+ #define HAL_QSPI_MODULE_ENABLED
+#endif
+
+/*----------------------------------------------------------------------------
+ * Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#ifdef __cplusplus
+ // These serial port names are intended to allow libraries and architecture-neutral
+ // sketches to automatically default to the correct port name for a particular type
+ // of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
+ // the first hardware serial port whose RX/TX pins are not dedicated to another use.
+ //
+ // SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
+ //
+ // SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
+ //
+ // SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
+ //
+ // SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
+ //
+ // SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
+ // pins are NOT connected to anything by default.
+ #ifndef SERIAL_PORT_MONITOR
+ #define SERIAL_PORT_MONITOR Serial
+ #endif
+ #ifndef SERIAL_PORT_HARDWARE
+ #define SERIAL_PORT_HARDWARE Serial
+ #endif
+#endif