public void Finish()
{
inShutdown = true;
Thread.Sleep(1000);
if (isEnabled)
{
BeagleApi.bg_disable(hBeagle);
}
if (isOpened)
{
BeagleApi.bg_close(hBeagle);
}
}
static void usbDump(int numPackets)
{
// Setup variables
byte[] packet = new byte[1036];
byte[] packetKBits = new byte[130];
int packetnum = 0;
int tries = 10;
BeagleUsb5000CaptureStatus captureStatus =
BeagleUsb5000CaptureStatus.BG_USB5000_CAPTURE_STATUS_INACTIVE;
uint pretrigAmt = 0;
uint pretrigTotal = 0;
uint capAmt = 0;
uint capTotal = 0;
// Disable VBUS to device
BeagleApi.bg_usb5000_target_power(
beagle, BeagleUsbTargetPower.BG_USB5000_TARGET_POWER_OFF);
// Start the capture
if (BeagleApi.bg_enable(beagle, BeagleProtocol.BG_PROTOCOL_USB) !=
(int)BeagleStatus.BG_OK)
{
Console.Write("error: could not enable USB capture; exiting...\n");
Environment.Exit(1);
}
// Disable VBUS to device
BeagleApi.bg_usb5000_target_power(
beagle, BeagleUsbTargetPower.BG_USB5000_TARGET_POWER_HOST_SUPPLIED);
// Wait for the analyzer to trigger for up to 10 seconds...
while (tries != 0)
{
if (BeagleApi.bg_usb5000_usb3_capture_status(
beagle, 1000, ref captureStatus,
ref pretrigAmt, ref pretrigTotal,
ref capAmt, ref capTotal) !=
(int)BeagleStatus.BG_OK)
{
Console.Write(
"error: could not query capture status; exiting...\n");
Environment.Exit(1);
}
if (captureStatus <= BeagleUsb5000CaptureStatus.
BG_USB5000_CAPTURE_STATUS_PRE_TRIGGER)
{
Console.Write("waiting for trigger...\n");
}
else
{
break;
}
tries--;
}
if (tries == 0)
{
Console.Write("did not trigger, make sure a host and a device " +
"is connected to the analyzer.\n");
Environment.Exit(1);
}
Console.Write(
"index,time(ns),source,event,status,data0 ... dataN(*)\n");
Console.Out.Flush();
// ...then start decoding packets
while (packetnum < numPackets || (numPackets == 0))
{
uint status = 0;
uint events = 0;
ulong timeSop = 0;
ulong timeDuration = 0;
uint timeDataOffset = 0;
BeagleUsb5000Source source =
BeagleUsb5000Source.BG_USB5000_SOURCE_ASYNC;
int length = BeagleApi.bg_usb5000_read(
beagle,
ref status, ref events, ref timeSop, ref timeDuration,
ref timeDataOffset, ref source,
1036, packet, 130, packetKBits);
// Make sure capture is triggered.
if (length == (int)BeagleStatus.BG_CAPTURE_NOT_TRIGGERED)
{
continue;
}
// Check for invalid packet or Beagle error
if (length < 0)
{
Console.Write("error={0:d}\n", length);
break;
}
// Exit if observed end of capture
if (status == BeagleApi.BG_READ_USB_END_OF_CAPTURE)
{
Console.Write("\n");
Console.Write("End of capture\n");
break;
}
// Grab the next packet on a timeout.
if (length == 0 &&
status == BeagleApi.BG_READ_TIMEOUT &&
events == 0)
{
continue;
}
// Print the packet details
Console.Write("{0},", packetnum);
Console.Write("{0},", timestampToNS(timeSop, samplerateKHz));
printSource(source);
Console.Write(",");
printEvents(source, events);
Console.Write(",");
printStatus(source, status);
Console.Write(",");
printPacket(source, packet, packetKBits, length);
Console.Write("\n");
packetnum++;
}
// Stop the capture
BeagleApi.bg_disable(beagle);
}
static void usbDump(int numPackets, byte capMask)
{
// Setup variables
byte[] packet = new byte[1036];
byte[] packetKBits = new byte[130];
int packetnum = 0;
BeagleUsb5000CaptureStatus captureStatus =
BeagleUsb5000CaptureStatus.BG_USB5000_CAPTURE_STATUS_INACTIVE;
uint pretrigAmt = 0;
uint pretrigTotal = 0;
uint capAmt = 0;
uint capTotal = 0;
int ret = 0;
#if STATS_MODE
// Statistic mode variables
ulong dispTimeSop = 0;
ulong sstxByteCount = 0;
ulong ssrxByteCount = 0;
ulong sstxPacketCount = 0;
ulong ssrxPacketCount = 0;
ulong usb2ByteCount = 0;
ulong usb2PacketCount = 0;
#endif
// Configure Beagle 480 for realtime capture
if (BeagleApi.bg_usb5000_configure(
beagle, capMask,
BeagleUsb5000TriggerMode.BG_USB5000_TRIGGER_MODE_IMMEDIATE) !=
(int)BeagleStatus.BG_OK)
{
Console.Write(
"error: could not configure Beagle 5000 with desired mode\n");
Environment.Exit(1);
}
// Start the capture
if (BeagleApi.bg_enable(beagle, BeagleProtocol.BG_PROTOCOL_USB) !=
(int)BeagleStatus.BG_OK)
{
Console.Write("error: could not enable USB capture; exiting...\n");
Environment.Exit(1);
}
// Wait for the analyzer to trigger for up to 2 seconds...
if ((capMask & BeagleApi.BG_USB5000_CAPTURE_USB2) != 0)
{
ret = BeagleApi.bg_usb5000_usb2_capture_status(
beagle, 2000, ref captureStatus,
ref pretrigAmt, ref pretrigTotal,
ref capAmt, ref capTotal);
}
else
{
ret = BeagleApi.bg_usb5000_usb3_capture_status(
beagle, 2000, ref captureStatus,
ref pretrigAmt, ref pretrigTotal,
ref capAmt, ref capTotal);
}
if (ret != (int)BeagleStatus.BG_OK)
{
Console.Write(
"error: could not query capture status; exiting...\n");
Environment.Exit(1);
}
if (captureStatus <= BeagleUsb5000CaptureStatus.
BG_USB5000_CAPTURE_STATUS_PRE_TRIGGER)
{
Console.Write("did not trigger.\n");
Environment.Exit(1);
}
// Output the header...
#if STATS_MODE
Console.Write(
" SSTX PACKETS ( MB/s ) SSRX PACKETS ( MB/s ) USB2 PACKETS ( MB/s )\n");
#else
Console.Write(
"index,time(ns),source,event,status,data0 ... dataN(*)\n");
#endif
Console.Out.Flush();
// ...then start decoding packets
while (packetnum < numPackets || (numPackets == 0))
{
uint status = 0;
uint events = 0;
ulong timeSop = 0;
ulong timeDuration = 0;
uint timeDataOffset = 0;
BeagleUsb5000Source source =
BeagleUsb5000Source.BG_USB5000_SOURCE_ASYNC;
int length = BeagleApi.bg_usb5000_read(
beagle,
ref status, ref events, ref timeSop, ref timeDuration,
ref timeDataOffset, ref source,
1036, packet, 130, packetKBits);
// Make sure capture is triggered.
if (length == (int)BeagleStatus.BG_CAPTURE_NOT_TRIGGERED)
{
continue;
}
// Check for invalid packet or Beagle error
if (length < 0)
{
Console.Write("error={0:d}\n", length);
break;
}
// Exit if observed end of capture
if (status == BeagleApi.BG_READ_USB_END_OF_CAPTURE)
{
Console.Write("\n");
Console.Write("End of capture\n");
break;
}
#if STATS_MODE
// Count the number of packets and bytes
if (length > 0)
{
switch (source)
{
case BeagleUsb5000Source.BG_USB5000_SOURCE_USB2:
usb2PacketCount++;
usb2ByteCount += (ulong)length;
break;
case BeagleUsb5000Source.BG_USB5000_SOURCE_TX:
sstxPacketCount++;
sstxByteCount += (ulong)length;
break;
case BeagleUsb5000Source.BG_USB5000_SOURCE_RX:
ssrxPacketCount++;
ssrxByteCount += (ulong)length;
break;
default:
break;
}
}
// Periodically print out the stats
if ((timeSop - dispTimeSop) > DISPLAY_TIME_TICKS)
{
double timeS = (double)timestampToNS(timeSop - dispTimeSop,
samplerateKHz) / 1E9;
double sstxMBps =
((double)sstxByteCount) / (1024 * 1024L) / timeS;
double ssrxMBps =
((double)ssrxByteCount) / (1024 * 1024L) / timeS;
double usb2MBps =
((double)usb2ByteCount) / (1024 * 1024L) / timeS;
Console.Write("\r{0,15:d} ({1,6:##0.00})" +
" {2,15:d} ({3,6:##0.00})" +
" {4,15:d} ({5,6:##0.00})",
sstxPacketCount, sstxMBps,
ssrxPacketCount, ssrxMBps,
usb2PacketCount, usb2MBps);
sstxByteCount = 0;
ssrxByteCount = 0;
usb2ByteCount = 0;
dispTimeSop = timeSop;
}
#else
// Grab the next packet on a timeout.
if (length == 0 &&
status == BeagleApi.BG_READ_TIMEOUT &&
events == 0)
{
continue;
}
// Print the packet details
Console.Write("{0},", packetnum);
Console.Write("{0},", timestampToNS(timeSop, samplerateKHz));
printSource(source);
Console.Write(",");
printEvents(source, events);
Console.Write(",");
printStatus(source, status);
Console.Write(",");
printPacket(source, packet, packetKBits, length);
Console.Write("\n");
#endif
packetnum++;
}
// Stop the capture
BeagleApi.bg_disable(beagle);
}
static void usbDump(int numPackets)
{
// Packets are saved during the collapsing process
PacketQueue pktQ = new PacketQueue();
// Info for the packet that was just read
PacketInfo curPacket;
// Collapsing counts and time collapsing started
CollapseInfo collapseInfo = new CollapseInfo();
CollapseState state = CollapseState.IDLE;
bool reRun = false;
byte pid = 0;
int signalErrors = 0;
int packetnum = 0;
samplerateKHz = BeagleApi.bg_samplerate(beagle, 0);
int idle_samples = IDLE_THRESHOLD * samplerateKHz;
// Configure Beagle 480 for realtime capture
BeagleApi.bg_usb480_capture_configure(beagle,
BeagleUsb480CaptureMode.BG_USB480_CAPTURE_REALTIME,
BeagleUsb2TargetSpeed.BG_USB2_AUTO_SPEED_DETECT);
// Filter packets intended for the Beagle analyzer. This is only
// relevant when one host controller is being used.
BeagleApi.bg_usb480_hw_filter_config(beagle,
BeagleApi.BG_USB2_HW_FILTER_SELF);
// Start the capture
if (BeagleApi.bg_enable(beagle, BeagleProtocol.BG_PROTOCOL_USB) !=
(int)BeagleStatus.BG_OK)
{
Console.Write("error: could not enable USB capture; exiting...\n");
Environment.Exit(1);
}
// Output the header...
Console.Write("index,time(ns),USB,status,pid,data0 ... dataN(*)\n");
Console.Out.Flush();
// ...then start decoding packets
while (packetnum < numPackets || (numPackets == 0))
{
curPacket = pktQ.getTail();
curPacket.length = BeagleApi.bg_usb480_read(
beagle,
ref curPacket.status,
ref curPacket.events,
ref curPacket.timeSop,
ref curPacket.timeDuration,
ref curPacket.timeDataOffset,
1024,
curPacket.data);
curPacket.timeSopNS =
timestampToNS(curPacket.timeSop, samplerateKHz);
// Exit if observed end of capture
if ((curPacket.status &
BeagleApi.BG_READ_USB_END_OF_CAPTURE) != 0)
{
usbPrintSummaryPacket(ref packetnum, collapseInfo,
ref signalErrors);
break;
}
// Check for invalid packet or Beagle error
if (curPacket.length < 0)
{
String errorStatus = "";
errorStatus += String.Format("error={0:d}", curPacket.length);
usbPrintPacket(packetnum, curPacket, errorStatus);
break;
}
// Check for USB error
if (curPacket.status == BeagleApi.BG_READ_USB_ERR_BAD_SIGNALS)
{
++signalErrors;
}
// Set the PID for collapsing state machine below. Treat
// KEEP_ALIVEs as packets.
if (curPacket.length > 0)
{
pid = curPacket.data[0];
}
else if ((curPacket.events &
BeagleApi.BG_EVENT_USB_KEEP_ALIVE) != 0 &&
(curPacket.status &
BeagleApi.BG_READ_USB_ERR_BAD_PID) == 0)
{
pid = (byte)PacketGroup.KEEP_ALIVE;
}
else
{
pid = 0;
}
// Collapse these packets approprietly:
// KEEP_ALIVE* SOF* (IN (ACK|NAK))* (PING NAK)*
// (SPLIT (OUT|SETUP) NYET)* (SPLIT IN (ACK|NYET|NACK))*
// If the time elapsed since collapsing began is greater than
// the threshold, output the counts and zero out the counters.
if (curPacket.timeSop - collapseInfo.timeSop >=
(ulong)idle_samples)
{
usbPrintSummaryPacket(ref packetnum, collapseInfo,
ref signalErrors);
}
while (true)
{
reRun = false;
switch (state)
{
// The initial state of the state machine. Collapse SOFs
// and KEEP_ALIVEs. Save IN, PING, or SPLIT packets and
// move to the next state for the next packet. Otherwise,
// print the collapsed packet counts and the current
// packet.
case CollapseState.IDLE:
switch (pid)
{
case (byte)PacketGroup.KEEP_ALIVE:
collapse(PacketGroup.KEEP_ALIVE, collapseInfo, pktQ);
break;
case BeagleApi.BG_USB_PID_SOF:
collapse(PacketGroup.SOF, collapseInfo, pktQ);
break;
case BeagleApi.BG_USB_PID_IN:
pktQ.savePacket();
state = CollapseState.IN;
break;
case BeagleApi.BG_USB_PID_PING:
pktQ.savePacket();
state = CollapseState.PING;
break;
case BeagleApi.BG_USB_PID_SPLIT:
pktQ.savePacket();
state = CollapseState.SPLIT;
break;
default:
usbPrintSummaryPacket(ref packetnum, collapseInfo,
ref signalErrors);
if (curPacket.length > 0 || curPacket.events != 0 ||
(curPacket.status != 0 &&
curPacket.status != BeagleApi.BG_READ_TIMEOUT))
{
usbPrintPacket(packetnum, curPacket, null);
packetnum++;
}
break;
}
break;
// Collapsing IN+ACK or IN+NAK. Otherwise, output any
// saved packets and rerun the collapsing state machine
// on the current packet.
case CollapseState.IN:
state = CollapseState.IDLE;
switch (pid)
{
case BeagleApi.BG_USB_PID_ACK:
collapse(PacketGroup.IN_ACK, collapseInfo, pktQ);
break;
case BeagleApi.BG_USB_PID_NAK:
collapse(PacketGroup.IN_NAK, collapseInfo, pktQ);
break;
default:
reRun = true;
break;
}
break;
// Collapsing PING+NAK
case CollapseState.PING:
state = CollapseState.IDLE;
switch (pid)
{
case BeagleApi.BG_USB_PID_NAK:
collapse(PacketGroup.PING_NAK, collapseInfo, pktQ);
break;
default:
reRun = true;
break;
}
break;
// Expecting an IN, OUT, or SETUP
case CollapseState.SPLIT:
switch (pid)
{
case BeagleApi.BG_USB_PID_IN:
pktQ.savePacket();
state = CollapseState.SPLIT_IN;
break;
case BeagleApi.BG_USB_PID_OUT:
pktQ.savePacket();
state = CollapseState.SPLIT_OUT;
break;
case BeagleApi.BG_USB_PID_SETUP:
pktQ.savePacket();
state = CollapseState.SPLIT_SETUP;
break;
default:
state = CollapseState.IDLE;
reRun = true;
break;
}
break;
// Collapsing SPLIT+IN+NYET, SPLIT+IN+NAK, SPLIT+IN+ACK
case CollapseState.SPLIT_IN:
state = CollapseState.IDLE;
switch (pid)
{
case BeagleApi.BG_USB_PID_NYET:
collapse(PacketGroup.SPLIT_IN_NYET, collapseInfo,
pktQ);
break;
case BeagleApi.BG_USB_PID_NAK:
collapse(PacketGroup.SPLIT_IN_NAK, collapseInfo,
pktQ);
break;
case BeagleApi.BG_USB_PID_ACK:
collapse(PacketGroup.SPLIT_IN_ACK, collapseInfo,
pktQ);
break;
default:
reRun = true;
break;
}
break;
// Collapsing SPLIT+OUT+NYET
case CollapseState.SPLIT_OUT:
state = CollapseState.IDLE;
switch (pid)
{
case BeagleApi.BG_USB_PID_NYET:
collapse(PacketGroup.SPLIT_OUT_NYET, collapseInfo,
pktQ);
break;
default:
reRun = true;
break;
}
break;
// Collapsing SPLIT+SETUP+NYET
case CollapseState.SPLIT_SETUP:
state = CollapseState.IDLE;
switch (pid)
{
case BeagleApi.BG_USB_PID_NYET:
collapse(PacketGroup.SPLIT_SETUP_NYET, collapseInfo,
pktQ);
break;
default:
reRun = true;
break;
}
break;
}
if (reRun == false)
{
break;
}
// The state machine is about to be re-run. This
// means that a complete packet sequence wasn't collapsed
// and there are packets in the queue that need to be
// output before we can process the current packet.
outputSaved(ref packetnum, ref signalErrors,
collapseInfo, pktQ);
}
}
// Stop the capture
BeagleApi.bg_disable(beagle);
}
static void usbDump(int numPackets)
{
// Set up variables
byte[] packet = new byte[1024];
int timingSize =
BeagleApi.bg_bit_timing_size(BeagleProtocol.BG_PROTOCOL_USB, 1024);
uint[] timing = new uint[timingSize];
byte[] savedIn = new byte[64];
uint[] savedInTiming = new uint[8 * 64];
ulong savedInSop = 0;
int savedInLength = 0;
uint savedInStatus = 0;
uint savedInEvents = 0;
ulong countSop = 0;
int sofCount = 0;
int preCount = 0;
int inAckCount = 0;
int inNakCount = 0;
byte pid = 0;
int syncErrors = 0;
int packetnum = 0;
samplerateKhz = BeagleApi.bg_samplerate(beagle, 0);
int idleSamples = IDLE_THRESHOLD * samplerateKhz;
// Open the connection to the Beagle. Default to port 0.
if (BeagleApi.bg_enable(beagle, BeagleProtocol.BG_PROTOCOL_USB) !=
(int)BeagleStatus.BG_OK)
{
Console.Write("error: could not enable USB capture; exiting...\n");
Environment.Exit(1);
}
// Output the header...
Console.Write("index,time(ns),USB,status,pid,data0 ... dataN(*)\n");
Console.Out.Flush();
// ...then start decoding packets
while (packetnum < numPackets || (numPackets == 0))
{
uint status = 0;
uint events = 0;
ulong timeSop = 0;
ulong timeSopNS = 0;
ulong timeDuration = 0;
uint timeDataOffset = 0;
int length = BeagleApi.bg_usb12_read_bit_timing(
beagle, ref status, ref events, ref timeSop,
ref timeDuration, ref timeDataOffset,
1024, packet, timingSize, timing);
timeSopNS = TIMESTAMP_TO_NS(timeSop, samplerateKhz);
// Check for invalid packet or Beagle error
if (length < 0)
{
String errorStatus = "";
errorStatus += String.Format("error={0:d}", length);
usbPrintPacket(packetnum, timeSopNS, status, events,
errorStatus, null);
break;
}
// Check for USB error
if (status == BeagleApi.BG_READ_USB_ERR_BAD_SYNC)
{
++syncErrors;
}
if (length > 0)
{
pid = packet[0];
}
else
{
pid = 0;
}
// Check the PID and collapse appropriately:
// SOF* PRE* (IN (ACK|NAK))*
// If we have saved summary information, and we have
// hit an error, received a non-summary packet, or
// have exceeded the idle time, then dump out the
// summary information before continuing
if (status != BeagleApi.BG_READ_OK || usbTrigger(pid) ||
((int)(timeSop - countSop) >= idleSamples))
{
int offset =
usbPrintSummaryPacket(packetnum, countSop,
sofCount, preCount, inAckCount,
inNakCount, syncErrors);
sofCount = 0;
preCount = 0;
inAckCount = 0;
inNakCount = 0;
syncErrors = 0;
countSop = timeSop;
// Adjust the packet index if any events were printed by
// usbPrintSummaryPacket.
packetnum += offset;
}
// Now handle the current packet based on its packet ID
switch (pid)
{
case BeagleApi.BG_USB_PID_SOF:
// Increment the SOF counter
++sofCount;
break;
case BeagleApi.BG_USB_PID_PRE:
// Increment the PRE counter
++preCount;
break;
case BeagleApi.BG_USB_PID_IN:
// If the transaction is an IN, don't display it yet and
// save the transaction.
// If the following transaction is an ACK or NAK,
// increment the appropriate IN/ACK or IN/NAK counter.
// If the next transaction is not an ACK or NAK,
// display the saved IN transaction .
System.Array.Copy(packet, 0, savedIn, 0, length);
System.Array.Copy(timing, 0, savedInTiming, 0, length * 8);
savedInSop = timeSop;
savedInLength = length;
savedInStatus = status;
savedInEvents = events;
break;
case BeagleApi.BG_USB_PID_NAK:
goto case BeagleApi.BG_USB_PID_ACK;
case BeagleApi.BG_USB_PID_ACK:
// If the last transaction was IN, increment the appropriate
// counter and don't display the transaction.
if (savedInLength > 0)
{
savedInLength = 0;
if (pid == BeagleApi.BG_USB_PID_ACK)
{
++inAckCount;
}
else
{
++inNakCount;
}
break;
}
goto default;
default:
// If the last transaction was IN, output it
if (savedInLength > 0)
{
ulong saved_in_sop_ns =
TIMESTAMP_TO_NS(savedInSop, samplerateKhz);
String packetData = usbPrintDataPacket
(ref savedIn,
savedInLength);
usbPrintPacket(packetnum, saved_in_sop_ns, savedInStatus,
savedInEvents, null, packetData);
++packetnum;
savedInLength = 0;
}
// Output the current transaction
if (length > 0 || events != 0 ||
(status != 0 && status != BeagleApi.BG_READ_TIMEOUT))
{
String packetData = usbPrintDataPacket(ref packet,
length);
usbPrintPacket(packetnum, timeSopNS, status,
events, null, packetData);
++packetnum;
}
countSop = timeSop + timeDuration;
break;
}
}
// Stop the capture
BeagleApi.bg_disable(beagle);
}
public void reset_beagle()
{
BeagleApi.bg_disable(handle);
System.Threading.Thread.Sleep(250);
setup_i2c();
}
static void usbDump(int numPackets, int timeoutMS)
{
long start, elapsedTime;
// Set up variables
byte[] packet = new byte[1024];
int packetnum = 0;
samplerateKhz = BeagleApi.bg_samplerate(beagle, 0);
// Configure Beagle 480 for delayed-download capture
BeagleApi.bg_usb480_capture_configure(beagle,
BeagleUsb480CaptureMode.BG_USB480_CAPTURE_DELAYED_DOWNLOAD,
BeagleUsb2TargetSpeed.BG_USB2_AUTO_SPEED_DETECT);
// Enable the hardware filtering. This will filter out packets with
// the same device address as the Beagle analyzer and also filter
// the PID packet groups listed below.
BeagleApi.bg_usb480_hw_filter_config(beagle,
BeagleApi.BG_USB2_HW_FILTER_SELF |
BeagleApi.BG_USB2_HW_FILTER_PID_SOF |
BeagleApi.BG_USB2_HW_FILTER_PID_IN |
BeagleApi.BG_USB2_HW_FILTER_PID_PING |
BeagleApi.BG_USB2_HW_FILTER_PID_PRE |
BeagleApi.BG_USB2_HW_FILTER_PID_SPLIT);
// Start the capture portion of the delayed-download capture
if (BeagleApi.bg_enable(beagle, BeagleProtocol.BG_PROTOCOL_USB) !=
(int)BeagleStatus.BG_OK)
{
Console.Write("error: could not enable USB capture; exiting...\n");
Environment.Exit(1);
}
// Wait until timeout period elapses or the hardware buffer on
// the Beagle USB 480 fills
Console.Write("Hardware buffer usage:\n");
start = timeMicroseconds();
while (true)
{
uint bufferSize = 0;
uint bufferUsage = 0;
byte bufferFull = 0;
// Poll the hardware buffer status
BeagleApi.bg_usb480_hw_buffer_stats(beagle, ref bufferSize,
ref bufferUsage,
ref bufferFull);
// Print out the progress
elapsedTime = (timeMicroseconds() - start) / 1000;
printProgress(bufferUsage / (bufferSize / 100),
((double)elapsedTime) / 1000,
bufferUsage, bufferSize);
// If timed out or buffer is full, exit loop
if (bufferFull != 0 ||
(timeoutMS != 0 && elapsedTime > timeoutMS))
{
break;
}
// Sleep for 150 milliseconds
BeagleApi.bg_sleep_ms(150);
}
// Start the download portion of the delayed-download capture
//
// Output the header...
Console.Write("\nindex,time(ns),USB,status,pid,data0 ... dataN(*)\n");
Console.Out.Flush();
// ...then start decoding packets
while (packetnum < numPackets || (numPackets == 0))
{
uint status = 0;
uint events = 0;
ulong timeSop = 0;
ulong timeSopNS = 0;
ulong timeDuration = 0;
uint timeDataOffset = 0;
// Calling bg_usb480_read will automatically stop the
// capture portion of the delayed-download capture and
// will begin downloading the capture results.
int length = BeagleApi.bg_usb480_read(
beagle, ref status, ref events,
ref timeSop, ref timeDuration,
ref timeDataOffset, 1024, packet);
timeSopNS = TIMESTAMP_TO_NS(timeSop, samplerateKhz);
// Check for invalid packet or Beagle error
if (length < 0)
{
String errorStatus = "";
errorStatus += String.Format("error={0:d}", length);
usbPrintPacket(packetnum, timeSopNS, status, events,
errorStatus, null);
break;
}
// Output the current transaction
if (length > 0 || events != 0 ||
(status != 0 && status != BeagleApi.BG_READ_TIMEOUT))
{
String packetData = usbPrintDataPacket(ref packet,
length);
usbPrintPacket(packetnum, timeSopNS, status,
events, null, packetData);
++packetnum;
}
// Exit if observe end of capture
if ((status & BeagleApi.BG_READ_USB_END_OF_CAPTURE) != 0)
{
break;
}
}
// Stop the capture
BeagleApi.bg_disable(beagle);
}
public static void spidump(int max_bytes, int num_packets)
{
// Get the size of timing information for each transaction of size
// max_bytes
int timing_size = BeagleApi.bg_bit_timing_size(
BeagleProtocol.BG_PROTOCOL_SPI, max_bytes);
byte[] data_mosi = new byte[max_bytes];
byte[] data_miso = new byte[max_bytes];
uint[] timing = new uint[timing_size];
// Get the current sampling rate
int samplerate_khz = BeagleApi.bg_samplerate(beagle, 0);
int i;
// Start the capture
if (BeagleApi.bg_enable(beagle, BeagleProtocol.BG_PROTOCOL_SPI) !=
(int)BeagleStatus.BG_OK)
{
Console.Write("error: could not enable SPI capture; exiting...\n");
Environment.Exit(1);
}
Console.Write("index,time(ns),SPI,status,mosi0/miso0 ... " +
"mosiN/misoN\n");
Console.Out.Flush();
// Capture and print information for each transaction
for (i = 0; i < num_packets || num_packets == 0; ++i)
{
uint status = 0;
ulong time_sop = 0;
ulong time_sop_ns = 0;
ulong time_duration = 0;
uint time_dataoffset = 0;
int n = 0;
// Read transaction with bit timing data
int count = BeagleApi.bg_spi_read_bit_timing(beagle, ref status,
ref time_sop, ref time_duration,
ref time_dataoffset,
max_bytes, data_mosi,
max_bytes, data_miso,
timing_size, timing);
// Translate timestamp to ns
time_sop_ns = TIMESTAMP_TO_NS(time_sop, samplerate_khz);
Console.Write("{0:d},{1:d},SPI,(", i, time_sop_ns);
if (count < 0)
{
Console.Write("error={0:d},", count);
}
print_general_status(status);
print_spi_status(status);
Console.Write(")");
// Check for errors
if (count <= 0)
{
Console.Write("\n");
Console.Out.Flush();
if (count < 0)
{
break;
}
// If zero data captured, continue
continue;
}
// Display the data
for (n = 0; n < count; ++n)
{
if (n != 0)
{
Console.Write(", ");
}
if ((n & 0xf) == 0)
{
Console.Write("\n ");
}
Console.Write("{0:x2}/{1:x2}", data_mosi[n], data_miso[n]);
}
Console.Write("\n");
Console.Out.Flush();
}
// Stop the capture
BeagleApi.bg_disable(beagle);
}
public static void mdiodump(int num_packets)
{
// Get the size of the timing information for a transaction of
// max_bytes length
int timing_size =
BeagleApi.bg_bit_timing_size(BeagleProtocol.BG_PROTOCOL_MDIO, 0);
uint[] timing = new uint[timing_size];
// Get the current sampling rate
int samplerate_khz = BeagleApi.bg_samplerate(beagle, 0);
// Start the capture
if (BeagleApi.bg_enable(beagle, BeagleProtocol.BG_PROTOCOL_MDIO) !=
(int)BeagleStatus.BG_OK)
{
Console.Write("error: could not enable MDIO capture; " +
"exiting...\n");
Environment.Exit(1);
}
Console.Write("index,time(ns),MDIO,status,<clause:opcode>," +
"<addr1>,<addr2>,data\n");
Console.Out.Flush();
// Capture and print each transaction
int i;
for (i = 0; i < num_packets || num_packets == 0; ++i)
{
uint packet = 0;
uint status = 0;
ulong time_sop = 0, time_sop_ns = 0;
ulong time_duration = 0;
uint time_dataoffset = 0;
// Read transaction with bit timing data
int count = BeagleApi.bg_mdio_read_bit_timing(
beagle, ref status, ref time_sop,
ref time_duration, ref time_dataoffset,
ref packet, timing_size, timing);
// Translate timestamp to ns
time_sop_ns = TIMESTAMP_TO_NS(time_sop, samplerate_khz);
// Check for errors
if (count < 0)
{
Console.Write("{0,4:d},{1,13:d},MDIO,( error={2:d},",
i, time_sop_ns, count);
print_general_status(status);
print_mdio_status(status);
Console.Write(")\n");
Console.Out.Flush();
continue;
}
// Parse the MDIO frame
byte clause = 0;
byte opcode = 0;
byte addr1 = 0;
byte addr2 = 0;
ushort data = 0;
int ret = BeagleApi.bg_mdio_parse(packet, ref clause,
ref opcode, ref addr1, ref addr2, ref data);
Console.Write("{0:d},{1:d},MDIO,(", i, time_sop_ns);
print_general_status(status);
if ((status & BeagleApi.BG_READ_TIMEOUT) == 0)
{
print_mdio_status((uint)ret);
}
Console.Write(")");
// If zero data captured, continue
if (count == 0)
{
Console.Write("\n");
Console.Out.Flush();
continue;
}
// Print the clause and opcode
Console.Write(",");
if ((status & BeagleApi.BG_READ_ERR_MIDDLE_OF_PACKET) == 0)
{
if (clause == (byte)BeagleMdioClause.BG_MDIO_CLAUSE_22)
{
Console.Write("<22:");
switch (opcode)
{
case BeagleApi.BG_MDIO_OPCODE22_WRITE:
Console.Write("W");
break;
case BeagleApi.BG_MDIO_OPCODE22_READ:
Console.Write("R");
break;
case BeagleApi.BG_MDIO_OPCODE22_ERROR:
Console.Write("?");
break;
}
}
else if (clause == (byte)BeagleMdioClause.BG_MDIO_CLAUSE_45)
{
Console.Write("<45:");
switch (opcode)
{
case BeagleApi.BG_MDIO_OPCODE45_ADDR:
Console.Write("A");
break;
case BeagleApi.BG_MDIO_OPCODE45_WRITE:
Console.Write("W");
break;
case BeagleApi.BG_MDIO_OPCODE45_READ_POSTINC:
Console.Write("RI");
break;
case BeagleApi.BG_MDIO_OPCODE45_READ:
Console.Write("R");
break;
}
}
else
{
Console.Write("<?:?");
}
// Recall that for Clause 22:
// PHY Addr = addr1, Reg Addr = addr2
// and for Clause 45:
// Port Addr = addr1, Dev Addr = addr2
Console.Write(">,<{0:X2}>,<{1:X2}>,{2:X4}\n",
addr1, addr2, data);
}
Console.Out.Flush();
}
// Stop the capture
BeagleApi.bg_disable(beagle);
}
public static void i2cdump(int max_bytes, int num_packets)
{
// Get the size of the timing information for a transaction of
// max_bytes length
int timing_size = BeagleApi.bg_bit_timing_size(
BeagleProtocol.BG_PROTOCOL_I2C, max_bytes);
ushort[] data_in = new ushort[max_bytes];
uint[] timing = new uint[timing_size];
// Get the current sampling rate
int samplerate_khz = BeagleApi.bg_samplerate(beagle, 0);
int i;
// Start the capture
if (BeagleApi.bg_enable(beagle, BeagleProtocol.BG_PROTOCOL_I2C) !=
(int)BeagleStatus.BG_OK)
{
Console.Write("error: could not enable I2C capture; exiting...\n");
Environment.Exit(1);
}
Console.Write("index,time(ns),I2C,status,<addr:r/w>" +
"(*),data0 ... dataN(*)\n");
Console.Out.Flush();
// Capture and print each transaction
for (i = 0; i < num_packets || num_packets == 0; ++i)
{
uint status = 0;
ulong time_sop = 0, time_sop_ns = 0;
ulong time_duration = 0;
uint time_dataoffset = 0;
// Read transaction with bit timing data
int count = BeagleApi.bg_i2c_read_bit_timing(
beagle, ref status, ref time_sop,
ref time_duration, ref time_dataoffset,
max_bytes, data_in, timing_size, timing);
// Translate timestamp to ns
time_sop_ns = TIMESTAMP_TO_NS(time_sop, samplerate_khz);
Console.Write("{0:d},{1:d}", i, time_sop_ns);
Console.Write(",I2C,(");
if (count < 0)
{
Console.Write("error={0:d},", count);
}
print_general_status(status);
print_i2c_status(status);
Console.Write(")");
// Check for errors
if (count <= 0)
{
Console.Write("\n");
Console.Out.Flush();
if (count < 0)
{
break;
}
// If zero data captured, continue
continue;
}
// Print the address and read/write
Console.Write(",");
int offset = 0;
if ((status & BeagleApi.BG_READ_ERR_MIDDLE_OF_PACKET) == 0)
{
// Display the start condition
Console.Write("[S] ");
if (count >= 1)
{
// Determine if byte was NACKed
int nack = (data_in[0] & BeagleApi.BG_I2C_MONITOR_NACK);
// Determine if this is a 10-bit address
if (count == 1 || (data_in[0] & 0xf9) != 0xf0 ||
(nack != 0))
{
// Display 7-bit address
Console.Write("<{0:x2}:{1:s}>{2:s} ",
(data_in[0] & 0xff) >> 1,
((data_in[0] & 0x01) != 0) ? 'r' : 'w',
(nack != 0) ? "*" : "");
offset = 1;
}
else
{
// Display 10-bit address
Console.Write("<{0:x3}:{1:s}>{2:s} ",
((data_in[0] << 7) & 0x300) |
(data_in[1] & 0xff),
((data_in[0] & 0x01) != 0) ? 'r' : 'w',
(nack != 0) ? "*" : "");
offset = 2;
}
}
}
// Display rest of transaction
count = count - offset;
for (int n = 0; n < count; ++n)
{
// Determine if byte was NACKed
int nack = (data_in[offset] & BeagleApi.BG_I2C_MONITOR_NACK);
Console.Write("{0:x2}{1:s} ",
data_in[offset] & 0xff, (nack != 0) ? "*" : "");
++offset;
}
// Display the stop condition
if ((status & BeagleApi.BG_READ_I2C_NO_STOP) == 0)
{
Console.Write("[P]");
}
Console.Write("\n");
Console.Out.Flush();
}
// Stop the capture
BeagleApi.bg_disable(beagle);
}