hathach
parent
e909270843
commit
fa12a0e786
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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 STM32F411VETx Device with
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** 512KByte FLASH, 128KByte 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 = 0x20020000; /* 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 = 512K
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
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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 secion */
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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 +1,41 @@
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CFLAGS += \
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-DHSE_VALUE=8000000 \
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-DSTM32F411xE \
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-mthumb \
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-mabi=aapcs-linux \
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-mcpu=cortex-m4 \
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-mfloat-abi=hard \
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-mfpu=fpv4-sp-d16 \
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-nostdlib -nostartfiles \
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-DCFG_TUSB_MCU=OPT_MCU_STM32F4
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# All source paths should be relative to the top level.
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LD_FILE = hw/bsp/stm32f411disco/STM32F411VETx_FLASH.ld
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SRC_C += \
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hw/mcu/st/system-init/system_stm32f4xx.c
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SRC_S += \
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hw/mcu/st/startup/stm32f4/startup_stm32f411xe.s
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INC += \
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$(TOP)/hw/mcu/st/stm32lib/CMSIS/STM32F4xx/Include \
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$(TOP)/hw/mcu/st/cmsis
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# For TinyUSB port source
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VENDOR = st
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CHIP_FAMILY = stm32f4
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# For freeRTOS port source
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FREERTOS_PORT = ARM_CM4F
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# For flash-jlink target
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JLINK_DEVICE = stm32f407vg
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JLINK_IF = swd
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# Path to STM32 Cube Programmer CLI, should be added into system path
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STM32Prog = STM32_Programmer_CLI
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# flash target using on-board stlink
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flash: $(BUILD)/$(BOARD)-firmware.elf
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$(STM32Prog) --connect port=swd --write $< --go
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@ -0,0 +1,132 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 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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#include "../board.h"
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#include "stm32f4xx.h"
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void board_init(void)
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{
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// Init the LED on PD14
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RCC->AHB1ENR |= RCC_AHB1ENR_GPIODEN;
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GPIOD->MODER |= GPIO_MODER_MODE14_0;
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// TODO Button
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// USB Clock init
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// PLL input- 8 MHz (External oscillator clock; HSI clock tolerance isn't
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// tight enough- 1%, need 0.25%)
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// VCO input- 1 to 2 MHz (2 MHz, M = 4)
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// VCO output- 100 to 432 MHz (144 MHz, N = 72)
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// Main PLL out- <= 180 MHz (18 MHz, P = 3- divides by 8)
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// USB PLL out- 48 MHz (Q = 3)
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RCC->PLLCFGR = RCC_PLLCFGR_PLLSRC_HSE | (3 << RCC_PLLCFGR_PLLQ_Pos) | \
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(3 << RCC_PLLCFGR_PLLP_Pos) | (72 << RCC_PLLCFGR_PLLN_Pos) | \
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(4 << RCC_PLLCFGR_PLLM_Pos);
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// Wait for external clock to become ready
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RCC->CR |= RCC_CR_HSEON;
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while(!(RCC->CR & RCC_CR_HSERDY_Msk));
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// Wait for PLL to become ready
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RCC->CR |= RCC_CR_PLLON;
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while(!(RCC->CR & RCC_CR_PLLRDY_Msk));
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// Switch clocks!
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RCC->CFGR |= RCC_CFGR_SW_1;
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// Notify runtime of frequency change.
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SystemCoreClockUpdate();
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#if CFG_TUSB_OS == OPT_OS_NONE
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// 1ms tick timer
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SysTick_Config(SystemCoreClock / 1000);
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#elif CFG_TUSB_OS == OPT_OS_FREERTOS
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// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
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//NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
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#endif
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RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;
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// USB Pin Init
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// PA9- VUSB, PA10- ID, PA11- DM, PA12- DP
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// PC0- Power on
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RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
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GPIOA->MODER |= GPIO_MODER_MODE9_1 | GPIO_MODER_MODE10_1 | \
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GPIO_MODER_MODE11_1 | GPIO_MODER_MODE12_1;
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GPIOA->AFR[1] |= (10 << GPIO_AFRH_AFSEL9_Pos) | \
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(10 << GPIO_AFRH_AFSEL10_Pos) | (10 << GPIO_AFRH_AFSEL11_Pos) | \
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(10 << GPIO_AFRH_AFSEL12_Pos);
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// Pullup required on ID, despite the manual claiming there's an
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// internal pullup already (page 1245, Rev 17)
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GPIOA->PUPDR |= GPIO_PUPDR_PUPD10_0;
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}
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//--------------------------------------------------------------------+
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// Board porting API
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//--------------------------------------------------------------------+
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void board_led_write(bool state)
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{
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if (!state) {
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GPIOD->BSRR = GPIO_BSRR_BR14;
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} else {
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GPIOD->BSRR = GPIO_BSRR_BS14;
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}
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}
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uint32_t board_button_read(void)
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{
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// TODO implement
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return 0;
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}
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#if CFG_TUSB_OS == OPT_OS_NONE
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volatile uint32_t system_ticks = 0;
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void SysTick_Handler (void)
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{
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system_ticks++;
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}
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uint32_t board_millis(void)
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{
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return system_ticks;
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}
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#endif
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void HardFault_Handler (void)
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{
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asm("bkpt");
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}
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// Required by __libc_init_array in startup code if we are compiling using
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// -nostdlib/-nostartfiles.
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void _init(void)
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{
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}
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Reference in New Issue