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/*
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*****************************************************************************
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**
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** File : LinkerScript.ld
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**
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** Abstract : Linker script for STM32F412ZGTx Device with
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** 1024KByte FLASH, 256KByte RAM
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**
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** Set heap size, stack size and stack location according
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** to application requirements.
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**
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** Set memory bank area and size if external memory is used.
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**
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** Target : STMicroelectronics STM32
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**
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**
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** Distribution: The file is distributed as is, without any warranty
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** of any kind.
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**
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** (c)Copyright Ac6.
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** You may use this file as-is or modify it according to the needs of your
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** project. Distribution of this file (unmodified or modified) is not
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** permitted. Ac6 permit registered System Workbench for MCU users the
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** rights to distribute the assembled, compiled & linked contents of this
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** file as part of an application binary file, provided that it is built
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** using the System Workbench for MCU toolchain.
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**
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*****************************************************************************
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*/
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/* Entry Point */
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ENTRY(Reset_Handler)
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/* Highest address of the user mode stack */
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_estack = 0x20040000; /* end of RAM */
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/* Generate a link error if heap and stack don't fit into RAM */
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_Min_Heap_Size = 0x200; /* required amount of heap */
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_Min_Stack_Size = 0x400; /* required amount of stack */
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/* Specify the memory areas */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 256K
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}
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/* Define output sections */
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SECTIONS
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{
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/* The startup code goes first into FLASH */
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.isr_vector :
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{
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(4);
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} >FLASH
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/* The program code and other data goes into FLASH */
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.text :
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{
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. = ALIGN(4);
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.glue_7) /* glue arm to thumb code */
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*(.glue_7t) /* glue thumb to arm code */
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*(.eh_frame)
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KEEP (*(.init))
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KEEP (*(.fini))
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. = ALIGN(4);
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_etext = .; /* define a global symbols at end of code */
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} >FLASH
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/* Constant data goes into FLASH */
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.rodata :
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{
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. = ALIGN(4);
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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. = ALIGN(4);
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} >FLASH
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.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
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.ARM : {
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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} >FLASH
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array*))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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} >FLASH
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array*))
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PROVIDE_HIDDEN (__init_array_end = .);
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} >FLASH
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(SORT(.fini_array.*)))
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KEEP (*(.fini_array*))
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PROVIDE_HIDDEN (__fini_array_end = .);
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} >FLASH
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/* used by the startup to initialize data */
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_sidata = LOADADDR(.data);
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/* Initialized data sections goes into RAM, load LMA copy after code */
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.data :
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{
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. = ALIGN(4);
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_sdata = .; /* create a global symbol at data start */
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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. = ALIGN(4);
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_edata = .; /* define a global symbol at data end */
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} >RAM AT> FLASH
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/* Uninitialized data section */
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. = ALIGN(4);
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.bss :
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{
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/* This is used by the startup in order to initialize the .bss section */
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_sbss = .; /* define a global symbol at bss start */
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__bss_start__ = _sbss;
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*(.bss)
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; /* define a global symbol at bss end */
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__bss_end__ = _ebss;
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} >RAM
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/* User_heap_stack section, used to check that there is enough RAM left */
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._user_heap_stack :
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{
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. = ALIGN(8);
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PROVIDE ( end = . );
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PROVIDE ( _end = . );
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. = . + _Min_Heap_Size;
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. = . + _Min_Stack_Size;
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. = ALIGN(8);
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} >RAM
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/* Remove information from the standard libraries */
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/DISCARD/ :
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{
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libc.a ( * )
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libm.a ( * )
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libgcc.a ( * )
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}
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.ARM.attributes 0 : { *(.ARM.attributes) }
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}
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@@ -0,0 +1,11 @@
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set(MCU_VARIANT stm32f412zx)
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set(JLINK_DEVICE stm32f412zg)
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set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/STM32F412ZGTx_FLASH.ld)
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function(update_board TARGET)
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target_compile_definitions(${TARGET} PUBLIC
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STM32F412Zx
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BOARD_TUD_RHPORT=0
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)
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endfunction()
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@@ -0,0 +1,142 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020, Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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/* metadata:
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name: STM32 F412 Nucleo
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url: https://www.st.com/en/evaluation-tools/nucleo-f412zg.html
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*/
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#ifndef BOARD_H_
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#define BOARD_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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// UART Enable for STLink VCOM
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#define UART_ID 3
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#define PINID_LED 0
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#define PINID_BUTTON 1
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#define PINID_UART_TX 2
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#define PINID_UART_RX 3
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#define PINID_VBUS0_EN 4
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#define VBUS_SENSE_EN 1
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static board_pindef_t board_pindef[] = {
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{ // LED
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.port = GPIOB,
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.pin_init = { .Pin = GPIO_PIN_14, .Mode = GPIO_MODE_OUTPUT_PP, .Pull = GPIO_PULLUP, .Speed = GPIO_SPEED_HIGH, .Alternate = 0 },
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.active_state = 0
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},
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{ // BUTTON
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.port = GPIOC,
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.pin_init = { .Pin = GPIO_PIN_13, .Mode = GPIO_MODE_INPUT, .Pull = GPIO_PULLDOWN, .Speed = GPIO_SPEED_HIGH, .Alternate = 0 },
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.active_state = 1
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},
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{ // UART TX
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.port = GPIOD,
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.pin_init = { .Pin = GPIO_PIN_8, .Mode = GPIO_MODE_AF_PP, .Pull = GPIO_PULLUP, .Speed = GPIO_SPEED_HIGH, .Alternate = GPIO_AF7_USART3 },
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.active_state = 0
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},
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{ // UART RX
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.port = GPIOD,
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.pin_init = { .Pin = GPIO_PIN_9, .Mode = GPIO_MODE_AF_PP, .Pull = GPIO_PULLUP, .Speed = GPIO_SPEED_HIGH, .Alternate = GPIO_AF7_USART3 },
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.active_state = 0
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},
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{ // VBUS0 EN
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.port = GPIOG,
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.pin_init = { .Pin = GPIO_PIN_6, .Mode = GPIO_MODE_OUTPUT_PP, .Pull = GPIO_PULLDOWN, .Speed = GPIO_SPEED_HIGH, .Alternate = 0 },
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.active_state = 1
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}
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};
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//--------------------------------------------------------------------+
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// RCC Clock
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//--------------------------------------------------------------------+
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static inline void board_clock_init(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
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/* Enable Power Control clock */
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__HAL_RCC_PWR_CLK_ENABLE();
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/* The voltage scaling allows optimizing the power consumption when the
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* device is clocked below the maximum system frequency, to update the
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* voltage scaling value regarding system frequency refer to product
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* datasheet. */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/* Enable HSE Oscillator and activate PLL with HSE as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = HSE_VALUE/1000000;
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RCC_OscInitStruct.PLL.PLLN = 200;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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RCC_OscInitStruct.PLL.PLLR = 2;
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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/* Select PLLSAI output as USB clock source */
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PeriphClkInitStruct.PLLI2S.PLLI2SM = 8;
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PeriphClkInitStruct.PLLI2S.PLLI2SQ = 4;
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PeriphClkInitStruct.PLLI2S.PLLI2SN = 192;
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_CK48;
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PeriphClkInitStruct.Clk48ClockSelection = RCC_CK48CLKSOURCE_PLLI2SQ;
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PeriphClkInitStruct.PLLI2SSelection = RCC_PLLI2SCLKSOURCE_PLLSRC;
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PeriphClkInitStruct.PLLI2S.PLLI2SR = 7;
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HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
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* clocks dividers */
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK |
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RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3);
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}
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static inline void board_vbus_set(uint8_t rhport, bool state) {
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if (rhport == 0) {
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board_pindef_t* pindef = &board_pindef[PINID_VBUS0_EN];
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HAL_GPIO_WritePin(pindef->port, pindef->pin_init.Pin, state == pindef->active_state ? GPIO_PIN_SET : GPIO_PIN_RESET);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* BOARD_H_ */
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@@ -0,0 +1,12 @@
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CFLAGS += -DSTM32F412Zx
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# GCC
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SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f412zx.s
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LD_FILE = $(BOARD_PATH)/STM32F412ZGTx_FLASH.ld
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# For flash-jlink target
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JLINK_DEVICE = stm32f412zg
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# flash target using on-board stlink
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flash: flash-stlink
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