static void Main()
{
int N_BITS = 4;
M2k ctx = libm2k.m2kOpen();
M2kDigital dig = ctx.getDigital();
dig.setSampleRateIn(100000);
dig.setSampleRateOut(100000);
for (uint i = 0; i < N_BITS; i++)
{
dig.setDirection(i, DIO_DIRECTION.DIO_OUTPUT);
dig.enableChannel(i, true);
}
VectorUS bufferOut = new VectorUS();
VectorUS bufferIn = new VectorUS();
for (ushort i = 0; i < (1 << N_BITS); i++)
{
bufferOut.Add(i);
}
dig.setCyclic(true);
dig.push(bufferOut);
bufferIn = dig.getSamples(1000);
foreach (var val in bufferIn)
{
Console.Write(val + " \n");
}
dig.stop();
libm2k.contextClose(ctx);
}
static void Main()
{
M2k context = libm2k.m2kOpen("ip:192.168.2.1");
if (context == null)
{
Console.WriteLine("Connection Error: No ADALM2000 device available/connected to your PC.");
return;
}
context.calibrateADC();
M2kAnalogIn analogIn = context.getAnalogIn();
M2kPowerSupply powerSupply = context.getPowerSupply();
M2kDigital digital = context.getDigital();
//setup analog in
analogIn.setOversamplingRatio(1);
analogIn.setSampleRate(1000000);
analogIn.enableChannel(0, true);
analogIn.enableChannel(1, false);
analogIn.setRange((ANALOG_IN_CHANNEL)0, M2K_RANGE.PLUS_MINUS_25V);
//enable LDAC
digital.setDirection(3, DIO_DIRECTION.DIO_OUTPUT);
digital.enableChannel(3, true);
//enable CLR
digital.setDirection(4, DIO_DIRECTION.DIO_OUTPUT);
digital.enableChannel(4, true);
//setup SPI
var m2kSpiInit = new m2k_spi_init();
m2kSpiInit.clock = 1;
m2kSpiInit.mosi = 2;
m2kSpiInit.miso = 7; //dummy value - miso is not used in this example
m2kSpiInit.bit_numbering = bit_numbering.MSB;
m2kSpiInit.context = context;
var spiInitParam = new spi_init_param();
spiInitParam.max_speed_hz = 1000000;
spiInitParam.mode = spi_mode.SPI_MODE_3;
spiInitParam.chip_select = 0;
spiInitParam.extra = m2kSpiInit;
spi_desc spiDesc = libm2k.spi_init(spiInitParam);
if (spiDesc == null)
{
Console.WriteLine("SPI Error: Could not configure SPI");
return;
}
powerSupply.enableChannel(0, true);
powerSupply.pushChannel(0, 5);
//CLR and LDAC high as long as bits are transmitted
digital.setValueRaw(3, DIO_LEVEL.HIGH);
digital.setValueRaw(4, DIO_LEVEL.HIGH);
byte[] data = GetRegisterData(Voltage);
//transmitting data
libm2k.spi_write_and_read(spiDesc, data, 2);
//update with current shift register contents
digital.setValueRaw(3, DIO_LEVEL.LOW);
var samples = analogIn.getSamples(100);
var average = samples[0].Average();
Console.WriteLine("Average value: " + average);
libm2k.spi_remove(spiDesc);
libm2k.contextClose(context, true);
}
static int Main()
{
int elementSize = Marshal.SizeOf(typeof(IntPtr));
M2k ctx = libm2k.m2kOpen();
if (ctx == null)
{
Console.WriteLine("Connection Error: No ADALM2000 device available/connected to your PC.");
return(1);
}
dig = ctx.getDigital();
M2kHardwareTrigger trig = dig.getTrigger();
long sr_divider = SR_DIVIDER_START;
long sample_rate_in, sample_rate_out = MAX_SAMPLE_RATE;
int k = 1;
while (sr_divider > 1)
{
sample_rate_in = MAX_SAMPLE_RATE / sr_divider;
sample_rate_out = MAX_SAMPLE_RATE / (sr_divider * 4);
// set sample rates for in/out interface
dig.setSampleRateIn(sample_rate_in + 1);
dig.setSampleRateOut(sample_rate_out + 1);
// set number of kernel buffers for the digital input interface
dig.setKernelBuffersCountIn(KERNEL_BUFFERS_COUNT);
trig.setDigitalStreamingFlag(true);
for (uint j = 0; j < N_BITS; j++)
{
dig.setDirection(j, DIO_DIRECTION.DIO_OUTPUT);
dig.enableChannel(j, true);
}
var bufferOut = new VectorUS();
for (uint j = 0; j < (1 << N_BITS); j++)
{
bufferOut.Add((ushort)j);
}
dig.setCyclic(true);
dig.push(bufferOut);
// Startup refill threads
Thread refill_thread = new Thread(new ThreadStart(RefillThread));
Thread process_thread = new Thread(new ThreadStart(ProcessThread));
refill_thread.Start();
process_thread.Start();
refill_reset_event.Set();
process_done_reset_event.WaitOne();
refill_thread.Join();
process_thread.Join();
if (SHOW_BUFFERS)
{
Console.WriteLine("===================== BUFFER =================== " + k);
foreach (var val in values)
{
Console.WriteLine((val));
}
}
bool stable = true;
uint same_val = 0;
uint same_val_cnt = 0;
long dropped = 0;
int i;
for (i = 1; i < values.Length; i++)
{
// find first transition
if (values[i] != values[i - 1])
{
same_val = values[i];
break;
}
}
for (; i < values.Length; i++)
{
if (values[i] == same_val)
{
same_val_cnt++;
}
else
{
int divider = (int)(sample_rate_in / sample_rate_out);
if (same_val_cnt == divider)
{
{
same_val = values[i];
same_val_cnt = 1;
}
}
else
{
dropped = Math.Abs(values[i] - same_val) * divider + (same_val_cnt - divider);
stable = false;
break;
}
}
}
Console.Write("SR_DIVIDER: " + sr_divider +
" SR_IN: " + sample_rate_in +
" SR_OUT: " + sample_rate_out + " , " +
((stable) ? "STABLE " : "UNSTABLE ") +
" dropped: " + dropped + " samples");
if (!stable)
{
Console.WriteLine(" @ buffer " + i / IN_NO_SAMPLES +
" prev val: " + (same_val) +
" next val: " + (values[i]));
}
Console.Write("\n");
sr_divider -= SR_DIVIDER_STEP;
dig.stopBufferOut();
dig.stopAcquisition();
k++;
}
libm2k.contextClose(ctx);
var exit = Console.ReadLine();
return(0);
}
