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音乐频谱基础 百为STM32开发板 官方FFT demo演示(源码+图

代码片段和文件信息
/******************************************************************************
* @file: core_cm3.c
* @purpose: CMSIS Cortex-M3 Core Peripheral Access layer Source File
* @version: V1.10
* @date: 24. Feb. 2009
*----------------------------------------------------------------------------
*
* Copyright (C) 2009 ARM Limited. All rights reserved.
*
* ARM Limited (ARM) is supplying this software for use with Cortex-Mx
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* THIS SOFTWARE IS PROVIDED “AS IS“. NO WARRANTIES WHETHER EXPRESS IMPLIED
* OR STATUTORY INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT IN ANY CIRCUMSTANCES BE LIABLE FOR SPECIAL INCIDENTAL OR
* CONSEQUENTIAL DAMAGES FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#include
/* define compiler specific symbols */
#if defined ( __CC_ARM )
#define __ASM __asm /*!< asm keyword for armcc */
#define __INLINE __inline /*!< inline keyword for armcc */
#elif defined ( __ICCARM__ )
#define __ASM __asm /*!< asm keyword for iarcc */
#define __INLINE inline /*!< inline keyword for iarcc. Only avaiable in High optimization mode! */
#define __nop __no_operation /*!< no operation intrinsic in iarcc */
#elif defined ( __GNUC__ )
#define __ASM asm /*!< asm keyword for gcc */
#define __INLINE inline /*!< inline keyword for gcc */
#endif
#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
/**
* @brief Return the Process Stack Pointer
*
* @param none
* @return uint32_t ProcessStackPointer
*
* Return the actual process stack pointer
*/
__ASM uint32_t __get_PSP(void)
{
mrs r0 psp
bx lr
}
/**
* @brief Set the Process Stack Pointer
*
* @param uint32_t Process Stack Pointer
* @return none
*
* Assign the value ProcessStackPointer to the MSP
* (process stack pointer) Cortex processor register
*/
__ASM void __set_PSP(uint32_t topOfProcStack)
{
msr psp r0
bx lr
}
/**
* @brief Return the Main Stack Pointer
*
* @param none
* @return uint32_t Main Stack Pointer
*
* Return the current value of the MSP (main stack pointer)
* Cortex processor register
*/
__ASM uint32_t __get_MSP(void)
{
mrs r0 msp
bx lr
}
/**
* @brief Set the Main Stack Pointer
*
* @param uint32_t Main Stack Pointer
* @return none
*
* Assign the value mainStackPointer to the MSP
* (main stack pointer) Cortex processor register
*/
__ASM void __set_MSP(uint32_t mainStackP
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2012-10-01 22:25 STM32F10x_DSP_Lib_V2.0.0
文件 19024 2012-10-01 22:21 STM32F10x_DSP_Lib_V2.0.0\unins000.dat
文件 691481 2012-10-01 22:20 STM32F10x_DSP_Lib_V2.0.0\unins000.exe
文件 17877 2009-04-30 13:56 STM32F10x_DSP_Lib_V2.0.0\Release_Notes.html
文件 887334 2009-04-30 13:56 STM32F10x_DSP_Lib_V2.0.0\stm32f10x_DSP_lib.chm
目录 0 2012-10-01 22:25 STM32F10x_DSP_Lib_V2.0.0\_htmresc
文件 123676 2009-04-30 13:56 STM32F10x_DSP_Lib_V2.0.0\_htmresc\CMSIS_Logo_Final.jpg
文件 6798 2009-04-30 13:56 STM32F10x_DSP_Lib_V2.0.0\_htmresc\logo.bmp
文件 64 2009-04-30 13:56 STM32F10x_DSP_Lib_V2.0.0\_htmresc\vssver.scc
目录 0 2012-10-01 22:25 STM32F10x_DSP_Lib_V2.0.0\Project
目录 0 2012-10-01 22:25 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo
文件 4525 2009-04-30 13:56 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\readme.txt
目录 0 2012-10-01 22:25 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\src
文件 12681 2012-10-03 12:27 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\src\main.c
文件 37053 2009-04-30 13:56 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\src\stm3210b_lcd.c
文件 34405 2012-10-03 12:27 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\src\stm3210e_lcd.c
文件 14097 2009-04-25 14:30 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\src\fsmc_nor.c
文件 6948 2009-04-25 14:30 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\src\fsmc_sram.c
文件 4460 2012-10-03 12:25 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\src\stm32f10x_it.c
目录 0 2012-10-01 22:25 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK
目录 0 2012-10-01 22:25 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj
文件 40524 2012-10-03 10:54 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\STM3210B-EVAL.plg
文件 979 2012-10-06 12:51 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\main.d
文件 252415 2012-10-06 12:51 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\main.crf
文件 208 2012-10-07 21:36 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\STM3210E-EVAL.plg
文件 912 2012-10-06 12:51 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\stm32f10x_it.d
文件 233411 2012-10-06 12:51 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\stm32f10x_it.crf
文件 19 2012-10-03 12:07 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\ExtDll.iex
文件 949 2012-10-03 02:18 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\stm3210b_lcd.d
文件 248784 2012-10-03 02:18 STM32F10x_DSP_Lib_V2.0.0\Project\FFT_Demo\RVMDK\Obj\stm3210b_lcd.crf
............此处省略205个文件信息
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