diff --git a/README.md b/README.md
index e62c60b49a..41bf531675 100644
--- a/README.md
+++ b/README.md
@@ -178,6 +178,8 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
| Status | Device(s) | Name | Release | Notes |
| :----: | :-------: | ---- | :-----: | :---- |
+| :yellow_heart: | STM32F100C4
STM32F100C6 | Generic Board | **2.0.0** | |
+| :yellow_heart: | STM32F100C8
STM32F100CB | Generic Board | **2.0.0** | |
| :green_heart: | STM32F103C6
STM32F103C8
STM32F103CB | [Blue Pill](https://stm32-base.org/boards/STM32F103C8T6-Blue-Pill) | *1.2.0* | USB CDC support since *1.5.0*
Maple bootloaders support since *1.6.0* |
| :green_heart: | STM32F103C8
STM32F103CB | [Black Pill](https://stm32-base.org/boards/STM32F103C8T6-Black-Pill) | *1.5.0* | |
| :green_heart: | STM32F103C4
STM32F103C6
STM32F103C8
STM32F103CB | Generic Board | *1.9.0* | |
diff --git a/boards.txt b/boards.txt
index cfbdbe6bdc..e835fe78d0 100644
--- a/boards.txt
+++ b/boards.txt
@@ -1256,6 +1256,38 @@ GenF1.menu.pnum.BLUEBUTTON_F103RET.build.product_line=STM32F103xE
GenF1.menu.pnum.BLUEBUTTON_F103RET.build.variant=STM32F1xx/F103R(C-D-E)T
GenF1.menu.pnum.BLUEBUTTON_F103RET.build.variant_h=variant_{build.board}.h
+# Generic F100C4Tx
+GenF1.menu.pnum.GENERIC_F100C4TX=Generic F100C4Tx
+GenF1.menu.pnum.GENERIC_F100C4TX.upload.maximum_size=16384
+GenF1.menu.pnum.GENERIC_F100C4TX.upload.maximum_data_size=4096
+GenF1.menu.pnum.GENERIC_F100C4TX.build.board=GENERIC_F100C4TX
+GenF1.menu.pnum.GENERIC_F100C4TX.build.product_line=STM32F100xB
+GenF1.menu.pnum.GENERIC_F100C4TX.build.variant=STM32F1xx/F100C(4-6)T
+
+# Generic F100C6Tx
+GenF1.menu.pnum.GENERIC_F100C6TX=Generic F100C6Tx
+GenF1.menu.pnum.GENERIC_F100C6TX.upload.maximum_size=32768
+GenF1.menu.pnum.GENERIC_F100C6TX.upload.maximum_data_size=4096
+GenF1.menu.pnum.GENERIC_F100C6TX.build.board=GENERIC_F100C6TX
+GenF1.menu.pnum.GENERIC_F100C6TX.build.product_line=STM32F100xB
+GenF1.menu.pnum.GENERIC_F100C6TX.build.variant=STM32F1xx/F100C(4-6)T
+
+# Generic F100C8Tx
+GenF1.menu.pnum.GENERIC_F100C8TX=Generic F100C8Tx
+GenF1.menu.pnum.GENERIC_F100C8TX.upload.maximum_size=65536
+GenF1.menu.pnum.GENERIC_F100C8TX.upload.maximum_data_size=8192
+GenF1.menu.pnum.GENERIC_F100C8TX.build.board=GENERIC_F100C8TX
+GenF1.menu.pnum.GENERIC_F100C8TX.build.product_line=STM32F100xB
+GenF1.menu.pnum.GENERIC_F100C8TX.build.variant=STM32F1xx/F100C(8-B)T
+
+# Generic F100CBTx
+GenF1.menu.pnum.GENERIC_F100CBTX=Generic F100CBTx
+GenF1.menu.pnum.GENERIC_F100CBTX.upload.maximum_size=131072
+GenF1.menu.pnum.GENERIC_F100CBTX.upload.maximum_data_size=8192
+GenF1.menu.pnum.GENERIC_F100CBTX.build.board=GENERIC_F100CBTX
+GenF1.menu.pnum.GENERIC_F100CBTX.build.product_line=STM32F100xB
+GenF1.menu.pnum.GENERIC_F100CBTX.build.variant=STM32F1xx/F100C(8-B)T
+
# Generic F100R8Tx
GenF1.menu.pnum.GENERIC_F100R8TX=Generic F100R8Tx
GenF1.menu.pnum.GENERIC_F100R8TX.upload.maximum_size=65536
diff --git a/variants/STM32F1xx/F100C(4-6)T/generic_clock.c b/variants/STM32F1xx/F100C(4-6)T/generic_clock.c
index acf29840b8..7c3a9fe121 100644
--- a/variants/STM32F1xx/F100C(4-6)T/generic_clock.c
+++ b/variants/STM32F1xx/F100C(4-6)T/generic_clock.c
@@ -20,8 +20,33 @@
*/
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 = {};
+
+ /** Initializes the RCC Oscillators according to the specified parameters
+ * in the RCC_OscInitTypeDef structure.
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
+ 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_0) != HAL_OK) {
+ Error_Handler();
+ }
}
#endif /* ARDUINO_GENERIC_* */
diff --git a/variants/STM32F1xx/F100C(4-6)T/ldscript.ld b/variants/STM32F1xx/F100C(4-6)T/ldscript.ld
new file mode 100644
index 0000000000..3794e6fa63
--- /dev/null
+++ b/variants/STM32F1xx/F100C(4-6)T/ldscript.ld
@@ -0,0 +1,177 @@
+/**
+ ******************************************************************************
+ * @file LinkerScript.ld
+ * @author Auto-generated by STM32CubeIDE
+ * @brief Linker script for STM32F100C4Tx Device from STM32F1 series
+ * 16Kbytes FLASH
+ * 4Kbytes RAM
+ *
+ * Set heap size, stack size and stack location according
+ * to application requirements.
+ *
+ * Set memory bank area and size if external memory is used
+ ******************************************************************************
+ * @attention
+ *
+ * © 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
+ *
+ ******************************************************************************
+ */
+
+/* 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 = 0x8000000 + 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/STM32F1xx/F100C(8-B)T/generic_clock.c b/variants/STM32F1xx/F100C(8-B)T/generic_clock.c
index bdbc57c98b..4261419b81 100644
--- a/variants/STM32F1xx/F100C(8-B)T/generic_clock.c
+++ b/variants/STM32F1xx/F100C(8-B)T/generic_clock.c
@@ -20,8 +20,33 @@
*/
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 = {};
+
+ /** Initializes the RCC Oscillators according to the specified parameters
+ * in the RCC_OscInitTypeDef structure.
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
+ 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_0) != HAL_OK) {
+ Error_Handler();
+ }
}
#endif /* ARDUINO_GENERIC_* */
diff --git a/variants/STM32F1xx/F100C(8-B)T/ldscript.ld b/variants/STM32F1xx/F100C(8-B)T/ldscript.ld
new file mode 100644
index 0000000000..65c0650442
--- /dev/null
+++ b/variants/STM32F1xx/F100C(8-B)T/ldscript.ld
@@ -0,0 +1,177 @@
+/**
+ ******************************************************************************
+ * @file LinkerScript.ld
+ * @author Auto-generated by STM32CubeIDE
+ * @brief Linker script for STM32F100C8Tx Device from STM32F1 series
+ * 64Kbytes FLASH
+ * 8Kbytes RAM
+ *
+ * Set heap size, stack size and stack location according
+ * to application requirements.
+ *
+ * Set memory bank area and size if external memory is used
+ ******************************************************************************
+ * @attention
+ *
+ * © 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
+ *
+ ******************************************************************************
+ */
+
+/* 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 = 0x8000000 + 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) }
+}