To achieve SPI communication of two, send can be sent via DMA SPI, can receive the SPI interrupt receiving or DMA interrupt receiving, also can check to receive

SPI通信\SPI_DMA_MASTER\CORE\core_cm4.h
SPI通信\SPI_DMA_MASTER\CORE\core_cm4_simd.h
SPI通信\SPI_DMA_MASTER\CORE\startup_stm32f40_41xxx.s
SPI通信\SPI_DMA_MASTER\HARDWARE\SPI\spi.c
SPI通信\SPI_DMA_MASTER\HARDWARE\SPI\spi.h
SPI通信\SPI_DMA_MASTER\JLinkLog.txt
SPI通信\SPI_DMA_MASTER\JLinkSettings.ini
SPI通信\SPI_DMA_MASTER\keilkilll.bat
SPI通信\SPI_DMA_MASTER\LIST\SPI_DMA.map
SPI通信\SPI_DMA_MASTER\LIST\startup_stm32f40_41xxx.lst
SPI通信\SPI_DMA_MASTER\OUTPUT\delay.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\delay.d
SPI通信\SPI_DMA_MASTER\OUTPUT\delay.o
SPI通信\SPI_DMA_MASTER\OUTPUT\ExtDll.iex
SPI通信\SPI_DMA_MASTER\OUTPUT\main.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\main.d
SPI通信\SPI_DMA_MASTER\OUTPUT\main.o
SPI通信\SPI_DMA_MASTER\OUTPUT\misc.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\misc.d
SPI通信\SPI_DMA_MASTER\OUTPUT\misc.o
SPI通信\SPI_DMA_MASTER\OUTPUT\spi.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\spi.d
SPI通信\SPI_DMA_MASTER\OUTPUT\spi.o
SPI通信\SPI_DMA_MASTER\OUTPUT\SPI_DMA.axf
SPI通信\SPI_DMA_MASTER\OUTPUT\SPI_DMA.build_log.htm
SPI通信\SPI_DMA_MASTER\OUTPUT\SPI_DMA.htm
SPI通信\SPI_DMA_MASTER\OUTPUT\SPI_DMA.lnp
SPI通信\SPI_DMA_MASTER\OUTPUT\SPI_DMA.sct
SPI通信\SPI_DMA_MASTER\OUTPUT\startup_stm32f40_41xxx.d
SPI通信\SPI_DMA_MASTER\OUTPUT\startup_stm32f40_41xxx.o
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_dma.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_dma.d
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_dma.o
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_flash.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_flash.d
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_flash.o
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_gpio.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_gpio.d
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_gpio.o
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_it.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_it.d
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_it.o
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_rcc.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_rcc.d
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_rcc.o
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_spi.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_spi.d
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_spi.o
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_usart.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_usart.d
SPI通信\SPI_DMA_MASTER\OUTPUT\stm32f4xx_usart.o
SPI通信\SPI_DMA_MASTER\OUTPUT\sys.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\sys.d
SPI通信\SPI_DMA_MASTER\OUTPUT\sys.o
SPI通信\SPI_DMA_MASTER\OUTPUT\system_stm32f4xx.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\system_stm32f4xx.d
SPI通信\SPI_DMA_MASTER\OUTPUT\system_stm32f4xx.o
SPI通信\SPI_DMA_MASTER\OUTPUT\usart.crf
SPI通信\SPI_DMA_MASTER\OUTPUT\usart.d
SPI通信\SPI_DMA_MASTER\OUTPUT\usart.o
SPI通信\SPI_DMA_MASTER\SPI_DMA.build_log.htm
SPI通信\SPI_DMA_MASTER\SPI_DMA.uvgui.Administrator
SPI通信\SPI_DMA_MASTER\SPI_DMA.uvgui.BarryTough
SPI通信\SPI_DMA_MASTER\SPI_DMA.uvgui_Administrator.bak
SPI通信\SPI_DMA_MASTER\SPI_DMA.uvgui_BarryTough.bak
SPI通信\SPI_DMA_MASTER\SPI_DMA.uvopt
SPI通信\SPI_DMA_MASTER\SPI_DMA.uvproj
SPI通信\SPI_DMA_MASTER\SPI_DMA_Target 1.dep
SPI通信\SPI_DMA_MASTER\SPI_DMA_uvopt.bak
SPI通信\SPI_DMA_MASTER\SPI_DMA_uvproj.bak
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\misc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_adc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_can.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_crc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_cryp.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_dac.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_dbgmcu.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_dcmi.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_dma.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_dma2d.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_exti.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_flash.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_flash_ramfunc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_fmc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_fsmc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_gpio.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_hash.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_i2c.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_iwdg.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_ltdc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_pwr.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_rcc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_rng.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_rtc.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_sai.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_sdio.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_spi.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_syscfg.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_tim.h
SPI通信\SPI_DMA_MASTER\STM32F40X_FWLib\inc\stm32f4xx_usart.h

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