Add variant: NUCLEO-H503RB.

variants/STM32H5xx/H503RBT/CMakeLists.txt

@@ -22,10 +22,10 @@ add_library(variant_bin STATIC EXCLUDE_FROM_ALL
   generic_clock.c
   PeripheralPins.c
   variant_generic.cpp
+  variant_NUCLEO_H503RB.cpp
 )
 target_link_libraries(variant_bin PUBLIC variant_usage)
 
 target_link_libraries(variant INTERFACE
   variant_bin
-)
-
+)

variants/STM32H5xx/H503RBT/generic_clock.c

@@ -10,18 +10,85 @@
  *
  *******************************************************************************
  */
+
 #if defined(ARDUINO_GENERIC_H503RBTX)
 #include "pins_arduino.h"
 
 /**
-  * @brief  System Clock Configuration
-  * @param  None
-  * @retval None
-  */
-WEAK void SystemClock_Config(void)
-{
-  /* SystemClock_Config can be generated by STM32CubeMX */
-#warning "SystemClock_Config() is empty. Default clock at reset is used."
+* @note [How to generate PLL clock]
+* <SOURCE>
+*   HSI     64 MHz ... internal clock
+*   HSI48   48 MHz ... internal clock for USB/RNG with recovery
+*   LSI 32.768 kHz ... internal clock
+*   CSI      4 MHz ... internal clock for low power
+*
+* <MULTIPLEXER>
+*   SOURCE / PLLM * PLLN
+*
+* <TARGRT>
+*   PLL ... MULTIPLEXER / PLLP
+*
+* - Default CPU clock: 4(CSI) / 2(PLLM) * 250(PLLN) / 2(PLLP) ... 250 MHz
+* - PLL3 supports only H562/H563/H573.
+*/
+
+WEAK void SystemClock_Config(void) {
+  RCC_OscInitTypeDef RCC_OscInitStruct = {};
+  RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {};
+
+  /* Configure the main internal regulator output voltage */
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
+
+  while (!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
+
+  /* Initializes the RCC Oscillators according to the specified parameters in the RCC_OscInitTypeDef structure */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_CSI;
+  RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+  RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
+  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
+  RCC_OscInitStruct.CSIState = RCC_CSI_ON;
+  RCC_OscInitStruct.CSICalibrationValue = RCC_CSICALIBRATION_DEFAULT;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLL1_SOURCE_CSI;
+  RCC_OscInitStruct.PLL.PLLM = 2;
+  RCC_OscInitStruct.PLL.PLLN = 250;
+  RCC_OscInitStruct.PLL.PLLP = 2;
+  RCC_OscInitStruct.PLL.PLLQ = 2;
+  RCC_OscInitStruct.PLL.PLLR = 2;
+  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1_VCIRANGE_1;
+  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1_VCORANGE_WIDE;
+  RCC_OscInitStruct.PLL.PLLFRACN = 0;
+
+  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+    Error_Handler();
+  }
+
+  /* Initializes the CPU, AHB and APB buses clocks */
+  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_PCLK3;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+  RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;
+
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) {
+    Error_Handler();
+  }
+
+  /* Initializes the peripherals clock */
+  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_ADCDAC | RCC_PERIPHCLK_LPUART1 | RCC_PERIPHCLK_OSPI | RCC_PERIPHCLK_SDMMC1 | RCC_PERIPHCLK_USB;
+  PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
+  PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_HSI;
+  PeriphClkInitStruct.Sdmmc1ClockSelection = RCC_SDMMC1CLKSOURCE_PLL1Q;
+  PeriphClkInitStruct.AdcDacClockSelection = RCC_ADCDACCLKSOURCE_HCLK;
+  PeriphClkInitStruct.OspiClockSelection = RCC_OSPICLKSOURCE_HCLK;
+
+  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
+    Error_Handler();
+  }
 }
 
-#endif /* ARDUINO_GENERIC_* */
+#endif /* ARDUINO_GENERIC_H503RBTX */

variants/STM32H5xx/H503RBT/ldscript.ld

@@ -0,0 +1,175 @@
+/*
+******************************************************************************
+**
+** @file        : LinkerScript.ld
+**
+** @author      : Auto-generated by STM32CubeIDE
+**
+** @brief       : Linker script for STM32H503RBTx Device from STM32H5 series
+**                      128Kbytes FLASH
+**                      32Kbytes 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 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 */
+
+_Min_Heap_Size = 0x200;  /* required amount of heap */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
+/* Memories definition */
+MEMORY {
+  RAM    (rwx) : 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)
+  }
+}