{signal: [
  {name: 'S_AXI_ACLK',    wave: 'P......'},
  {name: 'S_AXI_ARESETN', wave: '01.....'},
  {},
  {name: 'S_AXI_AWVALID', wave: 'x010...',   data: ['S1','S2']},
  {name: 'S_AXI_AWREADY', wave: 'x1.....'},
  {name: 'S_AXI_WVALID',  wave: 'x01....'},
  {name: 'S_AXI_WREADY',  wave: 'x0.....'},
  {name: 'S_AXI_BVALID',  wave: '0......'},
  {},
  {name: 'S_AXI_ARVALID', wave: 'x010...'},
  {name: 'S_AXI_ARREADY', wave: 'x1.....'},
  {name: 'S_AXI_RVALID',  wave: '0......'}
]}