资源简介
实验3:CubeMx+Proteus+STM32 IO口模拟SPI协议的四种模式,用软件模拟,proteus仿真,效果很清晰。
代码片段和文件信息
/**
******************************************************************************
* @file system_stm32f1xx.c
* @author MCD Application Team
* @version V4.2.0
* @date 31-March-2017
* @brief CMSIS Cortex-M3 Device Peripheral Access layer System Source File.
*
* 1. This file provides two functions and one global variable to be called from
* user application:
* - SystemInit(): Setups the system clock (System clock source PLL Multiplier
* factors AHB/APBx prescalers and Flash settings).
* This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the “startup_stm32f1xx_xx.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.
*
* 2. After each device reset the HSI (8 MHz) is used as system clock source.
* Then SystemInit() function is called in “startup_stm32f1xx_xx.s“ file to
* configure the system clock before to branch to main program.
*
* 4. The default value of HSE crystal is set to 8 MHz (or 25 MHz depending on
* the product used) refer to “HSE_VALUE“.
* When HSE is used as system clock source directly or through PLL and you
* are using different crystal you have to adapt the HSE value to your own
* configuration.
*
******************************************************************************
* @attention
*
* © COPYRIGHT(c) 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 WARRANTIE
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2019-01-15 16:24 uart_and_softSpi\
文件 7618 2019-01-15 11:40 uart_and_softSpi\.mxproject
文件 22279 2019-01-15 11:44 uart_and_softSpi\Backup Of uart_and_softSpi.pdsbak
目录 0 2019-01-14 19:34 uart_and_softSpi\Drivers\
目录 0 2019-01-14 19:34 uart_and_softSpi\Drivers\CMSIS\
目录 0 2019-01-08 16:04 uart_and_softSpi\Drivers\CMSIS\Device\
目录 0 2019-01-08 16:04 uart_and_softSpi\Drivers\CMSIS\Device\ST\
目录 0 2019-01-14 19:34 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\
目录 0 2019-01-14 19:34 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\
文件 499462 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f100xb.h
文件 544671 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f100xe.h
文件 450133 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f101x6.h
文件 460506 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f101xb.h
文件 538320 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f101xe.h
文件 553362 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f101xg.h
文件 542861 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f102x6.h
文件 552467 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f102xb.h
文件 874522 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f103x6.h
文件 884899 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f103xb.h
文件 971936 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f103xe.h
文件 986030 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f103xg.h
文件 1261567 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f105xc.h
文件 1342402 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f107xc.h
文件 8788 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\stm32f1xx.h
文件 3337 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Include\system_stm32f1xx.h
目录 0 2019-01-14 19:34 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Source\
目录 0 2019-01-14 19:34 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\
目录 0 2019-01-14 19:34 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\arm\
文件 15127 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\arm\startup_stm32f100xb.s
文件 16715 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\arm\startup_stm32f100xe.s
文件 12564 2019-01-08 10:33 uart_and_softSpi\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\arm\startup_stm32f101x6.s
............此处省略562个文件信息
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