AXI Burst ReadΒΆ
Save the following script as axi_burst_read.py
# start a new file
if taApp.getFileName() != "axi_burst_read.tim":
taApp.fileNew("TimingDiagram")
# td is the current TimingDiagram Frame
td = taApp.getTimingDiagram()
aclk = td.addDigitalClock("ACLK", "H", 100.0e6)
aclk.setRiseTime(0.0)
aclk.setFallTime(0.0)
araddr = td.addDigitalBus("ARADDR[39:0]", "X", "Hex")
arvalid = td.addDigitalSignal("ARVALID", "L")
arready = td.addDigitalSignal("ARREADY", "X")
rdata = td.addDigitalBus("RDATA[31:0]", "X", "Text")
rlast = td.addDigitalSignal("RLAST", "L")
rvalid = td.addDigitalSignal("RVALID", "L")
rready = td.addDigitalSignal("RREADY", "L")
td.addEdge(araddr, 103.0e-9, "A")
td.addEdge(araddr, 123.0e-9, "X")
td.addEdge(arvalid, 102.0e-9, 103.0e-9, "H")
td.addEdge(arvalid, 122.0e-9, 123.0e-9, "L")
td.addEdge(arready, 103.0e-9, "L")
td.addEdge(arready, 112.0e-9, 113.0e-9, "H")
td.addEdge(arready, 123.0e-9, "X")
td.addEdge(rdata, 154.0e-9, "D(A0)")
td.addEdge(rdata, 162.0e-9, "X")
td.addEdge(rdata, 184.0e-9, "D(A1)")
td.addEdge(rdata, 192.0e-9, "X")
td.addEdge(rdata, 194.0e-9, "D(A2)")
td.addEdge(rdata, 202.0e-9, "X")
td.addEdge(rdata, 224.0e-9, "D(A3)")
td.addEdge(rdata, 232.0e-9, "X")
td.addEdge(rlast, 223.0e-9, 224.0e-9, "H")
td.addEdge(rlast, 231.0e-9, 232.0e-9, "L")
td.addEdge(rvalid, 153.0e-9, 154.0e-9, "H")
td.addEdge(rvalid, 161.0e-9, 162.0e-9, "L")
td.addEdge(rvalid, 183.0e-9, 184.0e-9, "H")
td.addEdge(rvalid, 191.0e-9, 192.0e-9, "L")
td.addEdge(rvalid, 193.0e-9, 194.0e-9, "H")
td.addEdge(rvalid, 201.0e-9, 202.0e-9, "L")
td.addEdge(rvalid, 223.0e-9, 224.0e-9, "H")
td.addEdge(rvalid, 231.0e-9, 232.0e-9, "L")
td.addEdge(rready, 133.0e-9, 134.0e-9, "H")
td.addEdge(rready, 161.0e-9, 162.0e-9, "L")
td.addEdge(rready, 173.0e-9, 174.0e-9, "H")
td.addEdge(rready, 191.0e-9, 192.0e-9, "L")
td.addEdge(rready, 193.0e-9, 194.0e-9, "H")
td.addEdge(rready, 211.0e-9, 212.0e-9, "L")
td.addEdge(rready, 223.0e-9, 224.0e-9, "H")
td.addEdge(rready, 231.0e-9, 232.0e-9, "L")
td.setEndTime(300.0e-9)
td.doAnalysisCommand("margins")
