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大家好，最近做的项目，想用外部gpio事件触发edma传输，基于sys/bios下的，请问有相关参考例程吗，谢谢
edma3 LLD下有基于bios的例程，请参考user guide。请参考edma3_lld_2_12_05_30C\packages\ti\sdo\edma3\drv\docs, EDMA3_Driver_User_Guide.pdf, section 2.4.2 and 2.4.3.
