ir.py 文件源码

def timeseq_isr(self,p):
        '''compute edge to edge transition time, ignore polarity'''
        e=self.ticks_us()
        self.dbgport.high()
        s=2*p.value()-1
        d=self.ticks_diff(e,self.ledge)
        self.ledge=e
        self.buf[self.wptr]=d*s
        self.wptr=(self.wptr+1)&self.MASK
        self.dbgport.low()