diff --git a/README.md b/README.md
index dd31683d3e..773c757e09 100644
--- a/README.md
+++ b/README.md
@@ -420,8 +420,12 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
| Status | Device(s) | Name | Release | Notes |
| :----: | :-------: | ---- | :-----: | :---- |
+| :yellow_heart: | STM32WL55CC | [Generic Node Sensor Edition](https://www.genericnode.com/docs/sensor-edition) (GNSE) by TTI | **2.1.0** | [GNSE GitHub](https://github.com/TheThingsIndustries/generic-node-se) |
+| :yellow_heart: | STM32WL54CC
STM32WL55CC | Generic Board | **2.1.0** | |
| :yellow_heart: | STM32WL55JC
STM32WL55JC | Generic Board | **2.1.0** | |
+| :yellow_heart: | STM32WLE4C8
STM32WLE4CB
STM32WLE4CC | Generic Board | **2.1.0** | |
| :yellow_heart: | STM32WLE4J8
STM32WLE4JB
STM32WLE4JC | Generic Board | **2.1.0** | |
+| :yellow_heart: | STM32WLE5C8
STM32WLE5CB
STM32WLE5CC | Generic Board | **2.1.0** | |
| :yellow_heart: | STM32WLE5J8
STM32WLE5JB
STM32WLE5JC | Generic Board | **2.1.0** | |
### 3D printer boards
diff --git a/boards.txt b/boards.txt
index 0cd52955a3..9df12555f6 100644
--- a/boards.txt
+++ b/boards.txt
@@ -5081,6 +5081,23 @@ GenWL.build.mcu=cortex-m4
GenWL.build.series=STM32WLxx
GenWL.build.cmsis_lib_gcc=arm_cortexM4lf_math
+# Generic node SE by The Things Industries
+GenWL.menu.pnum.GENERIC_NODE_SE_TTI=Generic Node SE (TTI)
+GenWL.menu.pnum.GENERIC_NODE_SE_TTI.upload.maximum_size=262144
+GenWL.menu.pnum.GENERIC_NODE_SE_TTI.upload.maximum_data_size=65536
+GenWL.menu.pnum.GENERIC_NODE_SE_TTI.build.board=GENERIC_NODE_SE_TTI
+GenWL.menu.pnum.GENERIC_NODE_SE_TTI.build.product_line=STM32WL55xx
+GenWL.menu.pnum.GENERIC_NODE_SE_TTI.build.variant_h=variant_GENERIC_NODE_SE_TTI.h
+GenWL.menu.pnum.GENERIC_NODE_SE_TTI.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
+# Generic WL54CCUx
+GenWL.menu.pnum.GENERIC_WL54CCUX=Generic WL54CCUx
+GenWL.menu.pnum.GENERIC_WL54CCUX.upload.maximum_size=262144
+GenWL.menu.pnum.GENERIC_WL54CCUX.upload.maximum_data_size=65536
+GenWL.menu.pnum.GENERIC_WL54CCUX.build.board=GENERIC_WL54CCUX
+GenWL.menu.pnum.GENERIC_WL54CCUX.build.product_line=STM32WL54xx
+GenWL.menu.pnum.GENERIC_WL54CCUX.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
# Generic WL54JCIx
GenWL.menu.pnum.GENERIC_WL54JCIX=Generic WL54JCIx
GenWL.menu.pnum.GENERIC_WL54JCIX.upload.maximum_size=262144
@@ -5089,6 +5106,14 @@ GenWL.menu.pnum.GENERIC_WL54JCIX.build.board=GENERIC_WL54JCIX
GenWL.menu.pnum.GENERIC_WL54JCIX.build.product_line=STM32WL54xx
GenWL.menu.pnum.GENERIC_WL54JCIX.build.variant=STM32WLxx/WL54JCI_WL55JCI_WLE4J(8-B-C)I_WLE5J(8-B-C)I
+# Generic WL55CCUx
+GenWL.menu.pnum.GENERIC_WL55CCUX=Generic WL55CCUx
+GenWL.menu.pnum.GENERIC_WL55CCUX.upload.maximum_size=262144
+GenWL.menu.pnum.GENERIC_WL55CCUX.upload.maximum_data_size=65536
+GenWL.menu.pnum.GENERIC_WL55CCUX.build.board=GENERIC_WL55CCUX
+GenWL.menu.pnum.GENERIC_WL55CCUX.build.product_line=STM32WL55xx
+GenWL.menu.pnum.GENERIC_WL55CCUX.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
# Generic WL55JCIx
GenWL.menu.pnum.GENERIC_WL55JCIX=Generic WL55JCIx
GenWL.menu.pnum.GENERIC_WL55JCIX.upload.maximum_size=262144
@@ -5097,6 +5122,30 @@ GenWL.menu.pnum.GENERIC_WL55JCIX.build.board=GENERIC_WL55JCIX
GenWL.menu.pnum.GENERIC_WL55JCIX.build.product_line=STM32WL55xx
GenWL.menu.pnum.GENERIC_WL55JCIX.build.variant=STM32WLxx/WL54JCI_WL55JCI_WLE4J(8-B-C)I_WLE5J(8-B-C)I
+# Generic WLE4C8Ux
+GenWL.menu.pnum.GENERIC_WLE4C8UX=Generic WLE4C8Ux
+GenWL.menu.pnum.GENERIC_WLE4C8UX.upload.maximum_size=65536
+GenWL.menu.pnum.GENERIC_WLE4C8UX.upload.maximum_data_size=20480
+GenWL.menu.pnum.GENERIC_WLE4C8UX.build.board=GENERIC_WLE4C8UX
+GenWL.menu.pnum.GENERIC_WLE4C8UX.build.product_line=STM32WLE4xx
+GenWL.menu.pnum.GENERIC_WLE4C8UX.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
+# Generic WLE4CBUx
+GenWL.menu.pnum.GENERIC_WLE4CBUX=Generic WLE4CBUx
+GenWL.menu.pnum.GENERIC_WLE4CBUX.upload.maximum_size=131072
+GenWL.menu.pnum.GENERIC_WLE4CBUX.upload.maximum_data_size=49152
+GenWL.menu.pnum.GENERIC_WLE4CBUX.build.board=GENERIC_WLE4CBUX
+GenWL.menu.pnum.GENERIC_WLE4CBUX.build.product_line=STM32WLE4xx
+GenWL.menu.pnum.GENERIC_WLE4CBUX.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
+# Generic WLE4CCUx
+GenWL.menu.pnum.GENERIC_WLE4CCUX=Generic WLE4CCUx
+GenWL.menu.pnum.GENERIC_WLE4CCUX.upload.maximum_size=262144
+GenWL.menu.pnum.GENERIC_WLE4CCUX.upload.maximum_data_size=65536
+GenWL.menu.pnum.GENERIC_WLE4CCUX.build.board=GENERIC_WLE4CCUX
+GenWL.menu.pnum.GENERIC_WLE4CCUX.build.product_line=STM32WLE4xx
+GenWL.menu.pnum.GENERIC_WLE4CCUX.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
# Generic WLE4J8Ix
GenWL.menu.pnum.GENERIC_WLE4J8IX=Generic WLE4J8Ix
GenWL.menu.pnum.GENERIC_WLE4J8IX.upload.maximum_size=65536
@@ -5121,6 +5170,30 @@ GenWL.menu.pnum.GENERIC_WLE4JCIX.build.board=GENERIC_WLE4JCIX
GenWL.menu.pnum.GENERIC_WLE4JCIX.build.product_line=STM32WLE4xx
GenWL.menu.pnum.GENERIC_WLE4JCIX.build.variant=STM32WLxx/WL54JCI_WL55JCI_WLE4J(8-B-C)I_WLE5J(8-B-C)I
+# Generic WLE5C8Ux
+GenWL.menu.pnum.GENERIC_WLE5C8UX=Generic WLE5C8Ux
+GenWL.menu.pnum.GENERIC_WLE5C8UX.upload.maximum_size=65536
+GenWL.menu.pnum.GENERIC_WLE5C8UX.upload.maximum_data_size=20480
+GenWL.menu.pnum.GENERIC_WLE5C8UX.build.board=GENERIC_WLE5C8UX
+GenWL.menu.pnum.GENERIC_WLE5C8UX.build.product_line=STM32WLE5xx
+GenWL.menu.pnum.GENERIC_WLE5C8UX.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
+# Generic WLE5CBUx
+GenWL.menu.pnum.GENERIC_WLE5CBUX=Generic WLE5CBUx
+GenWL.menu.pnum.GENERIC_WLE5CBUX.upload.maximum_size=131072
+GenWL.menu.pnum.GENERIC_WLE5CBUX.upload.maximum_data_size=49152
+GenWL.menu.pnum.GENERIC_WLE5CBUX.build.board=GENERIC_WLE5CBUX
+GenWL.menu.pnum.GENERIC_WLE5CBUX.build.product_line=STM32WLE5xx
+GenWL.menu.pnum.GENERIC_WLE5CBUX.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
+# Generic WLE5CCUx
+GenWL.menu.pnum.GENERIC_WLE5CCUX=Generic WLE5CCUx
+GenWL.menu.pnum.GENERIC_WLE5CCUX.upload.maximum_size=262144
+GenWL.menu.pnum.GENERIC_WLE5CCUX.upload.maximum_data_size=65536
+GenWL.menu.pnum.GENERIC_WLE5CCUX.build.board=GENERIC_WLE5CCUX
+GenWL.menu.pnum.GENERIC_WLE5CCUX.build.product_line=STM32WLE5xx
+GenWL.menu.pnum.GENERIC_WLE5CCUX.build.variant=STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U
+
# Generic WLE5J8Ix
GenWL.menu.pnum.GENERIC_WLE5J8IX=Generic WLE5J8Ix
GenWL.menu.pnum.GENERIC_WLE5J8IX.upload.maximum_size=65536
diff --git a/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/generic_clock.c b/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/generic_clock.c
index 4eed36f4e3..dc70a944ea 100644
--- a/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/generic_clock.c
+++ b/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/generic_clock.c
@@ -23,8 +23,36 @@
*/
WEAK void SystemClock_Config(void)
{
- /* SystemClock_Config can be generated by STM32CubeMX */
-#warning "SystemClock_Config() is empty. Default clock at reset is used."
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+
+ /** Configure the main internal regulator output voltage
+ */
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+ /** Initializes the CPU, AHB and APB busses clocks
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
+ 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();
+ }
+ /** Configure the SYSCLKSource, HCLK, PCLK1 and PCLK2 clocks dividers
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK3 | RCC_CLOCKTYPE_HCLK
+ | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1
+ | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.AHBCLK3Divider = RCC_SYSCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+ Error_Handler();
+ }
}
#endif /* ARDUINO_GENERIC_* */
diff --git a/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/ldscript.ld b/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/ldscript.ld
new file mode 100644
index 0000000000..93f1c4a763
--- /dev/null
+++ b/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/ldscript.ld
@@ -0,0 +1,186 @@
+/*
+******************************************************************************
+**
+** File : ldscript.ld
+**
+** Author : STM32CubeIDE
+**
+** Abstract : Linker script for STM32WL55xC Device
+** 256Kbytes FLASH
+** 64Kbytes RAM
+**
+** Set heap size, stack size and stack location according
+** to application requirements.
+**
+** Set memory bank area and size if external memory is used.
+**
+** Target : STMicroelectronics STM32
+**
+** Distribution: The file is distributed as is without any warranty
+** of any kind.
+**
+*****************************************************************************
+** @attention
+**
+** © Copyright (c) 2021 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
+**
+*****************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */
+
+_Min_Heap_Size = 0x200 ; /* required amount of heap */
+_Min_Stack_Size = 0x400 ; /* required amount of stack */
+
+/* Memories definition */
+MEMORY
+{
+ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE
+ FLASH (rx) : ORIGIN = 0x08000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
+}
+
+/* Sections */
+SECTIONS
+{
+ /* The startup code into "FLASH" Rom type memory */
+ .isr_vector :
+ {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+ . = ALIGN(4);
+ } >FLASH
+
+ /* The program code and other data into "FLASH" Rom type memory */
+ .text :
+ {
+ . = ALIGN(4);
+ *(.text) /* .text sections (code) */
+ *(.text*) /* .text* sections (code) */
+ *(.glue_7) /* glue arm to thumb code */
+ *(.glue_7t) /* glue thumb to arm code */
+ *(.eh_frame)
+
+ KEEP (*(.init))
+ KEEP (*(.fini))
+
+ . = ALIGN(4);
+ _etext = .; /* define a global symbols at end of code */
+ } >FLASH
+
+ /* Constant data into "FLASH" Rom type memory */
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata) /* .rodata sections (constants, strings, etc.) */
+ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM.extab : {
+ . = ALIGN(4);
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM : {
+ . = ALIGN(4);
+ __exidx_start = .;
+ *(.ARM.exidx*)
+ __exidx_end = .;
+ . = ALIGN(4);
+ } >FLASH
+
+ .preinit_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array*))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ .init_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array*))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ .fini_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(SORT(.fini_array.*)))
+ KEEP (*(.fini_array*))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ /* Used by the startup to initialize data */
+ _sidata = LOADADDR(.data);
+
+ /* Initialized data sections into "RAM" Ram type memory */
+ .data :
+ {
+ . = ALIGN(4);
+ _sdata = .; /* create a global symbol at data start */
+ *(.data) /* .data sections */
+ *(.data*) /* .data* sections */
+ *(.RamFunc) /* .RamFunc sections */
+ *(.RamFunc*) /* .RamFunc* sections */
+
+ . = ALIGN(4);
+ _edata = .; /* define a global symbol at data end */
+
+ } >RAM AT> FLASH
+
+ /* Uninitialized data section into "RAM" Ram type memory */
+ . = ALIGN(4);
+ .bss :
+ {
+ /* This is used by the startup in order to initialize the .bss section */
+ _sbss = .; /* define a global symbol at bss start */
+ __bss_start__ = _sbss;
+ *(.bss)
+ *(.bss*)
+ *(COMMON)
+
+ . = ALIGN(4);
+ _ebss = .; /* define a global symbol at bss end */
+ __bss_end__ = _ebss;
+ } >RAM
+
+ /* User_heap_stack section, used to check that there is enough "RAM" Ram type memory left */
+ ._user_heap_stack :
+ {
+ . = ALIGN(8);
+ PROVIDE ( end = . );
+ PROVIDE ( _end = . );
+ . = . + _Min_Heap_Size;
+ . = . + _Min_Stack_Size;
+ . = ALIGN(8);
+ } >RAM
+
+ /* Remove information from the compiler libraries */
+ /DISCARD/ :
+ {
+ libc.a ( * )
+ libm.a ( * )
+ libgcc.a ( * )
+ }
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+}
diff --git a/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/variant_GENERIC_NODE_SE_TTI.cpp b/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/variant_GENERIC_NODE_SE_TTI.cpp
new file mode 100644
index 0000000000..fec1879805
--- /dev/null
+++ b/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/variant_GENERIC_NODE_SE_TTI.cpp
@@ -0,0 +1,105 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2021, 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_GENERIC_NODE_SE_TTI)
+#include "pins_arduino.h"
+
+// Digital PinName array
+const PinName digitalPin[] = {
+ PB_3, // D0/USR_BTN/SWO/RTS
+ PA_15, // D1/BUZZER
+ PA_2, // D2/TX
+ PA_3, // D3/RX
+ PA_11, // D4/SDA2/A1
+ PA_12, // D5/SCL2/A2
+ PA_13, // D6/A3/SWDIO
+ PA_14, // D7/A4/SWCLK
+ PA_0, // D8/FE_CTRL1
+ PA_1, // D9/FE_CTRL2
+ PA_4, // D10/CS1 FLASH
+ PA_5, // D11/SCK1
+ PA_6, // D12/MISO
+ PA_7, // D13/MOSI
+ PA_8, // D14/ACCEL_INT2
+ PA_9, // D15/SCL1
+ PA_10, // D16/SDA1
+ PB_0, // D17/VDD_TCX0
+ PB_2, // D18/VABAT_ADC/A0
+ PB_4, // D19/VBAT_READ_EN
+ PB_5, // D20/LED_RED
+ PB_6, // D21/LED_GREEN
+ PB_7, // D22/LED_BLUE
+ PB_8, // D23/FE_CTRL3
+ PB_12, // D24/LS1_SENSORS_EN
+ PC_13, // D25/LS2_FLASH_EN
+ PH_3, // D26/BOOT0
+ PC_14, // D27/OSC32-IN
+ PC_15 // D28/OSC32-OUT
+};
+
+// Analog (Ax) pin number array
+const uint32_t analogInputPin[] = {
+ 18, // A0, PB2
+ 4, // A1, PA11
+ 5, // A2, PA12
+ 6, // A3, PA13
+ 7 // A4, PA14
+};
+
+// ----------------------------------------------------------------------------
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief System Clock Configuration
+ * @param None
+ * @retval None
+ */
+WEAK void SystemClock_Config(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+
+ /** Configure the main internal regulator output voltage
+ */
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
+ /** Initializes the CPU, AHB and APB busses clocks
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
+ RCC_OscInitStruct.MSIState = RCC_MSI_ON;
+ RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ Error_Handler();
+ }
+ /** Configure the SYSCLKSource, HCLK, PCLK1 and PCLK2 clocks dividers
+ */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK3 | RCC_CLOCKTYPE_HCLK
+ | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1
+ | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.AHBCLK3Divider = RCC_SYSCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK) {
+ Error_Handler();
+ }
+}
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* ARDUINO_GENERIC_* */
diff --git a/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/variant_GENERIC_NODE_SE_TTI.h b/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/variant_GENERIC_NODE_SE_TTI.h
new file mode 100644
index 0000000000..6a340aecef
--- /dev/null
+++ b/variants/STM32WLxx/WL54CCU_WL55CCU_WLE4C(8-B-C)U_WLE5C(8-B-C)U/variant_GENERIC_NODE_SE_TTI.h
@@ -0,0 +1,157 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2021, 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
+
+/*----------------------------------------------------------------------------
+ * STM32 pins number
+ *----------------------------------------------------------------------------*/
+#define PB3 0
+#define PA15 1
+#define PA2 2
+#define PA3 3
+#define PA11 PIN_A1
+#define PA12 PIN_A2
+#define PA13 PIN_A3
+#define PA14 PIN_A4
+#define PA0 8
+#define PA1 9
+#define PA4 10
+#define PA5 11
+#define PA6 12
+#define PA7 13
+#define PA8 14
+#define PA9 15
+#define PA10 16
+#define PB0 17
+#define PB2 PIN_A0
+#define PB4 19
+#define PB5 20
+#define PB6 21
+#define PB7 22
+#define PB8 23
+#define PB12 24
+#define PC13 25
+#define PH3 26
+#define PC14 27 // OSC32-IN
+#define PC15 28 // OSC32-OUT
+
+// Alternate pins number
+#define PA1_ALT1 (PA1 | ALT1)
+#define PA2_ALT1 (PA2 | ALT1)
+#define PA3_ALT1 (PA3 | ALT1)
+#define PA7_ALT1 (PA7 | ALT1)
+#define PB8_ALT1 (PB8 | ALT1)
+
+#define NUM_DIGITAL_PINS 29
+#define NUM_ANALOG_INPUTS 5
+
+// On-board LED pin number
+#define LED_RED PB5
+#ifndef LED_BUILTIN
+ #define LED_BUILTIN LED_RED
+#endif
+#define LED_GREEN PB6
+#define LED_BLUE PB7
+
+
+// On-board user button
+#define B1_BTN PB3
+#ifndef USER_BTN
+ #define USER_BTN B1_BTN
+#endif
+
+// SPI definitions
+#ifndef PIN_SPI_SS
+ #define PIN_SPI_SS PA4
+#endif
+#ifndef PIN_SPI_SS1
+ #define PIN_SPI_SS1 PA15
+#endif
+#ifndef PIN_SPI_SS2
+ #define PIN_SPI_SS2 PB2
+#endif
+#ifndef PIN_SPI_SS3
+ #define PIN_SPI_SS3 PNUM_NOT_DEFINED
+#endif
+#ifndef PIN_SPI_MOSI
+ #define PIN_SPI_MOSI PA7
+#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 PA10
+#endif
+#ifndef PIN_WIRE_SCL
+ #define PIN_WIRE_SCL PA9
+#endif
+
+// Timer Definitions
+#ifndef TIMER_TONE
+ #define TIMER_TONE TIM16
+#endif
+#ifndef TIMER_SERVO
+ #define TIMER_SERVO TIM17
+#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 PA3
+#endif
+#ifndef PIN_SERIAL_TX
+ #define PIN_SERIAL_TX PA2
+#endif
+
+// Extra HAL modules
+#if !defined(HAL_DAC_MODULE_DISABLED)
+ #define HAL_DAC_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