Add custom devboard - Databoard

README.md

@@ -303,6 +303,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart:  | STM32F101ZC<br>STM32F101ZD<br>STM32F101ZE | Generic Board | *2.4.0* |  |
 | :green_heart:  | STM32F103C6<br>STM32F103C8<br>STM32F103CB | [Blue Pill](https://stm32-base.org/boards/STM32F103C8T6-Blue-Pill) | *1.2.0* | USB CDC support since *1.5.0*<br> Maple bootloaders support since *1.6.0* |
 | :green_heart:  | STM32F103C8<br>STM32F103CB | [Black Pill](https://stm32-base.org/boards/STM32F103C8T6-Black-Pill) | *1.5.0* |  |
+| :yellow_heart:  | STM32F103C8 | [Databoard](https://github.com/its-kronos/Databoard) |  |  |
 | :green_heart:  | STM32F103C4<br>STM32F103C6<br>STM32F103C8<br>STM32F103CB | Generic Board | *1.9.0* |  |
 | :green_heart:  | STM32F103R8<br>STM32F103RB<br>STM32F103RC<br>STM32F103RE | [Blue Button F103Rx](https://stm32-base.org/boards/STM32F103RET6-Generic-Board) | *1.9.0* |  |
 | :green_heart:  | STM32F103R6<br>STM32F103R8<br>STM32F103RB<br>STM32F103RC<br>STM32F103RD<br>STM32F103RE<br>STM32F103RF<br>STM32F103RG | Generic Board | *1.9.0* |  |

boards.txt

@@ -2971,6 +2971,16 @@ GenF1.menu.pnum.BLACKPILL_F103CB.build.variant_h=variant_PILL_F103Cx.h
 GenF1.menu.pnum.BLACKPILL_F103CB.build.variant=STM32F1xx/F103C8T_F103CB(T-U)
 GenF1.menu.pnum.BLACKPILL_F103CB.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32F1xx/STM32F103.svd
 
+# Databoard board
+GenF1.menu.pnum.DATABOARD=Databoard
+GenF1.menu.pnum.DATABOARD.upload.maximum_size=65536
+GenF1.menu.pnum.DATABOARD.upload.maximum_data_size=20480
+GenF1.menu.pnum.DATABOARD.build.board=DATABOARD
+GenF1.menu.pnum.DATABOARD.build.product_line=STM32F103xB
+GenF1.menu.pnum.DATABOARD.build.variant_h=variant_{build.board}.h
+GenF1.menu.pnum.DATABOARD.build.variant=STM32F1xx/F103C8T_F103CB(T-U)
+GenF1.menu.pnum.DATABOARD.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32F1xx/STM32F103.svd
+
 # VCCGND_F103ZET6_MINI board
 GenF1.menu.pnum.VCCGND_F103ZET6_MINI=VCCGND F103ZET6 Mini
 GenF1.menu.pnum.VCCGND_F103ZET6_MINI.upload.maximum_size=524288

variants/STM32F1xx/F103C8T_F103CB(T-U)/generic_clock.c

@@ -20,7 +20,6 @@
   * @retval None
   */
 WEAK void SystemClock_Config(void)
-#if defined(USBCON)
 {
   RCC_OscInitTypeDef RCC_OscInitStruct = {};
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
@@ -29,63 +28,43 @@ WEAK void SystemClock_Config(void)
   /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE|RCC_OSCILLATORTYPE_LSE;
+  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV2;
+  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
   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_MUL12;
-  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
+  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.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_DIV2;
   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
 
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
+  {
     Error_Handler();
   }
-  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
-  PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL;
-  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
+  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_USB;
+  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
+  PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
+  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+  {
     Error_Handler();
   }
-}
-#else
-{
-  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_MUL16;
-  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
-    Error_Handler();
-  }
-  /** Initializes the CPU, AHB and APB buses clocks
+  /** Enables the Clock Security System
   */
-  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_DIV2;
-  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
-    Error_Handler();
-  }
+  HAL_RCC_EnableCSS();
 }
-#endif /* USBCON */
 
 #endif /* ARDUINO_GENERIC_* */

variants/STM32F1xx/F103C8T_F103CB(T-U)/ldscript.ld

@@ -1,37 +1,45 @@
-/**
- ******************************************************************************
- * @file      LinkerScript.ld
- * @author    Auto-generated by STM32CubeIDE
- * @brief     Linker script for STM32F103C8Tx Device from STM32F1 series
- *                      64Kbytes FLASH
- *                      20Kbytes 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
- *
- * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * 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
- *
- ******************************************************************************
- */
+/*
+******************************************************************************
+**
+** @file        : LinkerScript.ld
+**
+** @author      : Auto-generated by STM32CubeIDE
+**
+** @brief       : Linker script for STM32F103C8Tx Device from STM32F1 series
+**                      64KBytes FLASH
+**                      20KBytes 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) 2025 STMicroelectronics.
+** All rights reserved.
+**
+** This software is licensed under terms that can be found in the LICENSE file
+** in the root directory of this software component.
+** If no LICENSE file comes with this software, it is provided AS-IS.
+**
+******************************************************************************
+*/
 
 /* Entry Point */
 ENTRY(Reset_Handler)
 
 /* Highest address of the user mode stack */
-_estack = ORIGIN(RAM) + LENGTH(RAM);	/* end of "RAM" Ram type memory */
+_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 */
+_Min_Heap_Size = 0x200; /* required amount of heap */
+_Min_Stack_Size = 0x400; /* required amount of stack */
 
 /* Memories definition */
 MEMORY
@@ -43,6 +51,7 @@ MEMORY
 /* Sections */
 SECTIONS
 {
+
   /* The startup code into "FLASH" Rom type memory */
   .isr_vector :
   {
@@ -77,21 +86,23 @@ SECTIONS
     . = ALIGN(4);
   } >FLASH
 
-  .ARM.extab (READONLY) : {
+  .ARM.extab (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
     . = ALIGN(4);
     *(.ARM.extab* .gnu.linkonce.armextab.*)
     . = ALIGN(4);
   } >FLASH
 
-  .ARM (READONLY) : {
+  .ARM (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
+  {
     . = ALIGN(4);
     __exidx_start = .;
     *(.ARM.exidx*)
     __exidx_end = .;
     . = ALIGN(4);
   } >FLASH
 
-  .preinit_array (READONLY) :
+  .preinit_array (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
   {
     . = ALIGN(4);
     PROVIDE_HIDDEN (__preinit_array_start = .);
@@ -100,7 +111,7 @@ SECTIONS
     . = ALIGN(4);
   } >FLASH
 
-  .init_array (READONLY) :
+  .init_array (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
   {
     . = ALIGN(4);
     PROVIDE_HIDDEN (__init_array_start = .);
@@ -110,7 +121,7 @@ SECTIONS
     . = ALIGN(4);
   } >FLASH
 
-  .fini_array (READONLY) :
+  .fini_array (READONLY) : /* The "READONLY" keyword is only supported in GCC11 and later, remove it if using GCC10 or earlier. */
   {
     . = ALIGN(4);
     PROVIDE_HIDDEN (__fini_array_start = .);

variants/STM32F1xx/F103C8T_F103CB(T-U)/variant_DATABOARD.cpp

@@ -0,0 +1,72 @@
+/*
+ *******************************************************************************
+ * 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_GENERIC_F103C8TX) || defined(ARDUINO_GENERIC_F103CBTX) ||\
+    defined(ARDUINO_GENERIC_F103CBUX)
+#include "pins_arduino.h"
+
+// Digital PinName array
+const PinName digitalPin[] = {
+  PA_0,   // D0/A0
+  PA_1,   // D1/A1
+  PA_2,   // D2/A2
+  PA_3,   // D3/A3
+  PA_4,   // D4/A4
+  PA_5,   // D5/A5
+  PA_6,   // D6/A6
+  PA_7,   // D7/A7
+  PA_8,   // D8
+  PA_9,   // D9
+  PA_10,  // D10
+  PA_11,  // D11
+  PA_12,  // D12
+  PA_13,  // D13
+  PA_14,  // D14
+  PA_15,  // D15
+  PB_0,   // D16/A8
+  PB_1,   // D17/A9
+  PB_2,   // D18
+  PB_3,   // D19
+  PB_4,   // D20
+  PB_5,   // D21
+  PB_6,   // D22
+  PB_7,   // D23
+  PB_8,   // D24
+  PB_9,   // D25
+  PB_10,  // D26
+  PB_11,  // D27
+  PB_12,  // D28
+  PB_13,  // D29
+  PB_14,  // D30
+  PB_15,  // D31
+  PC_13,  // D32
+  PC_14,  // D33
+  PC_15,  // D34
+  PD_0,   // D35
+  PD_1    // D36
+};
+
+// Analog (Ax) pin number array
+const uint32_t analogInputPin[] = {
+  0,  // A0,  PA0
+  1,  // A1,  PA1
+  2,  // A2,  PA2
+  3,  // A3,  PA3
+  4,  // A4,  PA4
+  5,  // A5,  PA5
+  6,  // A6,  PA6
+  7,  // A7,  PA7
+  16, // A8,  PB0
+  17  // A9,  PB1
+};
+
+#endif /* ARDUINO_GENERIC_* */