STM32F_QSPI_NAND

使用STM32F446实现的QSPI接口，增加了4线 SPI NAND的驱动程序，实测可以多种SPI NAND 实现基础操作，可以用来调试QSPI接口，或者SPI NAND；有兴趣的朋友可以看看

/**
  ******************************************************************************
  * @file    system_stm32f4xx.c
  * @author  MCD Application Team
  * @version V2.6.1
  * @date    14-February-2017
  * @brief   CMSIS Cortex-M4 Device Peripheral Access layer System Source File.
  *
  *   This file provides two functions and one global variable to be called from 
  *   user application:
  *      - SystemInit（）: This function is called at startup just after reset and 
  *                      before branch to main program. This call is made inside
  *                      the “startup_stm32f4xx.s“ file.
  *
  *      - SystemCoreClock variable: Contains the core clock （HCLK） it can be used
  *                                  by the user application to setup the SysTick 
  *                                  timer or configure other parameters.
  *                                     
  *      - SystemCoreClockUpdate（）: Updates the variable SystemCoreClock and must
  *                                 be called whenever the core clock is changed
  *                                 during program execution.
  *
  *
  ******************************************************************************
  * @attention
  *
  * 
© COPYRIGHT 2017 STMicroelectronics

  *
  * Redistribution and use in source and binary forms with or without modification
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS“
  * AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL
  * DAMAGES （INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE DATA OR PROFITS; OR BUSINESS INTERRUPTION） HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY
  * OR TORT （INCLUDING NEGLIGENCE OR OTHERWISE） ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/** @addtogrou

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       7744  2018-03-16 09:42  STM32F_QSPI_NAND\.mxproject

     文件       8346  2018-03-16 09:42  STM32F_QSPI_NAND\USB_QSPI.ioc

     文件     241146  2018-03-14 16:16  STM32F_QSPI_NAND\USB_QSPI.pdf

     文件       2904  2018-03-14 16:16  STM32F_QSPI_NAND\USB_QSPI.txt

     文件    1379421  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Include\stm32f446xx.h

     文件      10796  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Include\stm32f4xx.h

     文件       3848  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Include\system_stm32f4xx.h

     文件      28233  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\system_stm32f4xx.c

     文件      26395  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f401xc.s

     文件      26391  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f401xe.s

     文件      29768  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f405xx.s

     文件      30236  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f407xx.s

     文件      19190  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f410cx.s

     文件      19190  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f410rx.s

     文件      18949  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f410tx.s

     文件      26519  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f411xe.s

     文件      21316  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f412cx.s

     文件      21484  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f412rx.s

     文件      21484  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f412vx.s

     文件      21484  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f412zx.s

     文件      23324  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f413xx.s

     文件      29746  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f415xx.s

     文件      30118  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f417xx.s

     文件      23401  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f423xx.s

     文件      31398  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f427xx.s

     文件      31703  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f429xx.s

     文件      31406  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f437xx.s

     文件      31593  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f439xx.s

     文件      31518  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f446xx.s

     文件      31799  2018-03-14 16:39  STM32F_QSPI_NAND\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f469xx.s

............此处省略268个文件信息