This STM32F746 code describes how to perform I2C data buffer transmission/reception between two boards, via DMA.

I2C_TwoBoards_ComDMA\EWARM\Project.ewd
....................\.....\Project.ewp
....................\.....\Project.eww
....................\.....\startup_stm32f746xx.s
....................\.....\stm32f746xx_flash.icf
....................\Inc\main.h
....................\...\stm32f7xx_hal_conf.h
....................\...\stm32f7xx_it.h
....................\MDK-ARM\Project.uvoptx
....................\.......\Project.uvprojx
....................\.......\startup_stm32f746xx.s
....................\readme.txt
....................\Src\main.c
....................\...\stm32f7xx_hal_msp.c
....................\...\stm32f7xx_it.c
....................\...\system_stm32f7xx.c
....................\.W4STM32\startup_stm32f746xx.s
....................\........\STM32746G_DISCOVERY\.cproject
....................\........\...................\.project
....................\........\...................\STM32F746NGHx_FLASH.ld
....................\........\STM32746G_DISCOVERY
....................\EWARM
....................\Inc
....................\MDK-ARM
....................\Src
....................\SW4STM32
I2C_TwoBoards_ComDMA

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