zhangslice
hathach
parent
85f8047ac4
commit
0ae83458d5
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 MM32 SE TEAM
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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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/* 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 = 0x2001FFFF; /* 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 +1,161 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 MM32 SE TEAM
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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 "mm32_device.h"
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#include "hal_conf.h"
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#include "tusb.h"
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#include "../board.h"
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//--------------------------------------------------------------------+
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// Forward USB interrupt events to TinyUSB IRQ Handler
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//--------------------------------------------------------------------+
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void OTG_FS_IRQHandler(void)
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{
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dcd_int_handler(TUD_OPT_RHPORT);
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}
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void USB_DeviceClockInit(void)
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{
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/* Select USBCLK source */
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// RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_Div1);
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RCC->CFGR &= ~(0x3 << 22);
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RCC->CFGR |= (0x1 << 22);
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/* Enable USB clock */
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RCC->AHB2ENR |= 0x1 << 7;
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}
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM DECLARATION
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//--------------------------------------------------------------------+
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// LED
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void board_led_write(bool state);
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extern u32 SystemCoreClock;
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const int baudrate = 115200;
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void board_init(void)
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{
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// usb clock
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USB_DeviceClockInit();
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if (SysTick_Config(SystemCoreClock / 1000)) {
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while (1);
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}
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NVIC_SetPriority(SysTick_IRQn, 0x0);
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// LED
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GPIO_InitTypeDef GPIO_InitStruct;
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RCC_AHBPeriphClockCmd(RCC_AHBENR_GPIOA, ENABLE);
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GPIO_StructInit(&GPIO_InitStruct);
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource15, GPIO_AF_15); //Disable JTDI AF to AF15
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GPIO_InitStruct.GPIO_Pin = GPIO_Pin_15;
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GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOA, &GPIO_InitStruct);
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board_led_write(true);
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// UART
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UART_InitTypeDef UART_InitStruct;
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RCC_APB2PeriphClockCmd(RCC_APB2ENR_UART1, ENABLE); //enableUART1,GPIOAclock
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RCC_AHBPeriphClockCmd(RCC_AHBENR_GPIOA, ENABLE); //
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//UART initialset
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_7);
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_7);
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UART_StructInit(&UART_InitStruct);
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UART_InitStruct.UART_BaudRate = baudrate;
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UART_InitStruct.UART_WordLength = UART_WordLength_8b;
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UART_InitStruct.UART_StopBits = UART_StopBits_1;//one stopbit
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UART_InitStruct.UART_Parity = UART_Parity_No;//none odd-even verify bit
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UART_InitStruct.UART_HardwareFlowControl = UART_HardwareFlowControl_None;//No hardware flow control
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UART_InitStruct.UART_Mode = UART_Mode_Rx | UART_Mode_Tx; // receive and sent mode
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UART_Init(UART1, &UART_InitStruct); //initial uart 1
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UART_Cmd(UART1, ENABLE); //enable uart 1
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//UART1_TX GPIOA.9
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GPIO_StructInit(&GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9;
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GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOA, &GPIO_InitStruct);
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//UART1_RX GPIOA.10
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GPIO_InitStruct.GPIO_Pin = GPIO_Pin_5;
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GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IPU;
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GPIO_Init(GPIOA, &GPIO_InitStruct);
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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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state ? (GPIO_ResetBits(GPIOA,GPIO_Pin_15)):(GPIO_SetBits(GPIOA,GPIO_Pin_15));
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}
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uint32_t board_button_read(void)
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{
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return 0;
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}
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int board_uart_read(uint8_t* buf, int len)
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{
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(void) buf; (void) len;
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return 0;
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}
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int board_uart_write(void const * buf, int len)
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{
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const char *buff = buf;
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while(len){
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while((UART1->CSR & UART_IT_TXIEN) == 0); //The loop is sent until it is finished
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UART1->TDR = (*buff & 0xFF);
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buff++;
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len--;
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}
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return len;
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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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