unsigned char value_tcr = sbus_readb(®s->p_tcr);
unsigned char value_or = sbus_readb(®s->p_or);
unsigned char value_tcr = sbus_readb(®s->p_tcr);
unsigned char value_or = sbus_readb(®s->p_or);
sbus_writeb(value_or, ®s->p_or);
sbus_writeb(value_tcr, ®s->p_tcr);
sbus_writeb(value_or, ®s->p_or);
sbus_writeb(value_tcr, ®s->p_tcr);