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在使用串口時(shí),使用dma接收會(huì)提高程序的運(yùn)行效率,所以我寫一個(gè)串口dma接收程序,使用hal的cubemx配置,實(shí)現(xiàn)功能

代碼片段和文件信息
/**
??******************************************************************************
??*?@file????stm32f4xx_hal.c
??*?@author??MCD?Application?Team
??*?@brief???HAL?module?driver.
??*??????????This?is?the?common?part?of?the?HAL?initialization
??*
??@verbatim
??==============================================================================
?????????????????????#####?How?to?use?this?driver?#####
??==============================================================================
????[..]
????The?common?HAL?driver?contains?a?set?of?generic?and?common?APIs?that?can?be
????used?by?the?PPP?peripheral?drivers?and?the?user?to?start?using?the?HAL.?
????[..]
????The?HAL?contains?two?APIs‘?categories:?
?????????(+)?Common?HAL?APIs
?????????(+)?Services?HAL?APIs
??@endverbatim
??******************************************************************************
??*?@attention
??*
??*?©?Copyright?(c)?2017?STMicroelectronics.
??*?All?rights?reserved.
??*
??*?This?software?component?is?licensed?by?ST?under?BSD?3-Clause?license
??*?the?“License“;?You?may?not?use?this?file?except?in?compliance?with?the
??*?License.?You?may?obtain?a?copy?of?the?License?at:
??*????????????????????????opensource.org/licenses/BSD-3-Clause
??*
??******************************************************************************
??*/?
/*?Includes?------------------------------------------------------------------*/
#include?“stm32f4xx_hal.h“
/**?@addtogroup?STM32F4xx_HAL_Driver
??*?@{
??*/
/**?@defgroup?HAL?HAL
??*?@brief?HAL?module?driver.
??*?@{
??*/
/*?Private?typedef?-----------------------------------------------------------*/
/*?Private?define?------------------------------------------------------------*/
/**?@addtogroup?HAL_Private_Constants
??*?@{
??*/
/**
??*?@brief?STM32F4xx?HAL?Driver?version?number?V1.7.8
??*/
#define?__STM32F4xx_HAL_VERSION_MAIN???(0x01U)?/*![31:24]?main?version?*/
#define?__STM32F4xx_HAL_VERSION_SUB1???(0x07U)?/*![23:16]?sub1?version?*/
#define?__STM32F4xx_HAL_VERSION_SUB2???(0x08U)?/*![15:8]??sub2?version?*/
#define?__STM32F4xx_HAL_VERSION_RC?????(0x00U)?/*![7:0]??release?candidate?*/?
#define?__STM32F4xx_HAL_VERSION?????????((__STM32F4xx_HAL_VERSION_MAIN?<24U)\
????????????????????????????????????????|(__STM32F4xx_HAL_VERSION_SUB1?<16U)\
????????????????????????????????????????|(__STM32F4xx_HAL_VERSION_SUB2?<8U?)\
????????????????????????????????????????|(__STM32F4xx_HAL_VERSION_RC))
????????????????????????????????????????
#define?IDCODE_DEVID_MASK????0x00000FFFU
/*?------------?RCC?registers?bit?address?in?the?alias?region?-----------?*/
#define?SYSCFG_OFFSET?????????????(SYSCFG_base?-?PERIPH_base)
/*?---??MEMRMP?Register?---*/?
/*?Alias?word?address?of?UFB_MODE?bit?*/?
#define?MEMRMP_OFFSET?????????????SYSCFG_OFFSET?
#define?UFB_MODE_BIT_NUMBER???????SYSCFG_MEMRMP_UFB_MODE_Pos
#define?UFB_MODE_BB???????????????(uint32_t)(PERIPH_BB_base?+?(MEMRMP
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????6613??2020-08-14?22:43??dma\.mxproject
?????文件???????5732??2020-08-14?22:43??dma\dma.ioc
?????文件????1349439??2020-05-08?12:44??dma\Drivers\CMSIS\Device\ST\STM32F4xx\Include\stm32f407xx.h
?????文件???????9485??2020-05-08?12:44??dma\Drivers\CMSIS\Device\ST\STM32F4xx\Include\stm32f4xx.h
?????文件???????3796??2020-05-08?12:44??dma\Drivers\CMSIS\Device\ST\STM32F4xx\Include\system_stm32f4xx.h
?????文件??????28208??2020-05-08?12:44??dma\Drivers\CMSIS\Include\cmsis_armcc.h
?????文件??????56497??2020-05-08?12:44??dma\Drivers\CMSIS\Include\cmsis_armclang.h
?????文件???????9014??2020-05-08?12:44??dma\Drivers\CMSIS\Include\cmsis_compiler.h
?????文件??????62344??2020-05-08?12:44??dma\Drivers\CMSIS\Include\cmsis_gcc.h
?????文件??????28414??2020-05-08?12:44??dma\Drivers\CMSIS\Include\cmsis_iccarm.h
?????文件???????1716??2020-05-08?12:44??dma\Drivers\CMSIS\Include\cmsis_version.h
?????文件??????97995??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_armv8mbl.h
?????文件?????168914??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_armv8mml.h
?????文件??????42208??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_cm0.h
?????文件??????50464??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_cm0plus.h
?????文件??????43456??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_cm1.h
?????文件?????104628??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_cm23.h
?????文件?????111854??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_cm3.h
?????文件?????175600??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_cm33.h
?????文件?????123607??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_cm4.h
?????文件?????148588??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_cm7.h
?????文件??????47249??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_sc000.h
?????文件?????110523??2020-05-08?12:44??dma\Drivers\CMSIS\Include\core_sc300.h
?????文件??????11711??2020-05-08?12:44??dma\Drivers\CMSIS\Include\mpu_armv7.h
?????文件??????10958??2020-05-08?12:44??dma\Drivers\CMSIS\Include\mpu_armv8.h
?????文件???????2757??2020-05-08?12:44??dma\Drivers\CMSIS\Include\tz_context.h
?????文件?????213046??2020-05-08?12:44??dma\Drivers\STM32F4xx_HAL_Driver\Inc\Legacy\stm32_hal_legacy.h
?????文件??????13156??2020-05-08?12:44??dma\Drivers\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal.h
?????文件??????17553??2020-05-08?12:44??dma\Drivers\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_cortex.h
?????文件???????7249??2020-05-08?12:44??dma\Drivers\STM32F4xx_HAL_Driver\Inc\stm32f4xx_hal_def.h
............此處省略162個(gè)文件信息
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