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TMS320F28335: 两块dsp的EPWM1模块同步相关问题

Part Number: TMS320F28335

设计主dsp的GPIO33发出同步信号,从dsp的GPIO32接收同步信号。目前主dsp能正常发出同步信号,但从dsp未能正确接收到同步信号实现同步。从dsp的相关代码如图所示,其中在XINT3中断程序中XINT_InterruptCount能正常计数,但EPwm1Regs.TBCTL.bit.SWFSYNC = 1在debug过程中始终保持为0

x 出现错误。请重试或与管理员联系。