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Found 3 results

  1. Hello everyone, I want to use the analogue discovery for a continuous sampling task. I'm relatively new to the Analogue Discovery, so maybe this is a rather simple question. To really perform continuous sampling i want to use the "acqmodeScanShift" acquisition mode, but the Reference Manual states that in this mode the trigger setting is ignored. Without trigger, is it possible to sample an analogue in and digital in synchronously in acqmodeScanShift mode? This is really mandatory for my application. Thank you for your help!
  2. I try to receive data with an Analog Discovery Kit (AD) from a FPGA written with my own protocol. Three signals enter the AD: Clock, Trigger, and Data. At the rising edge of the trigger, I would like to sample 16 bits from the data synchronous to the clock (around 20 Mhz). How can this be done with an AD and SDK? With an FPGA writing this is a matter of minutes, but some how I cannot wrap my head around this. Below is the code I am using, but sadly it returns only 0x0000 or 0x000. How to receive data in this way? Cheer, VonPuffelen FDwfDigitalInConfigure(AnalogDiscoveryHandle, false, true); // start sampling STS sts; unsigned int timer = 0;// wait for receiving do{ if(!FDwfDigitalInStatus(AnalogDiscoveryHandle, true, &sts)) // pull for trigger event { printf("AcquireErro(42)"); return 42; } timer++; }while((sts != stsDone) && (timer < 0x1FFF)); FDwfDigitalInStatusData(AnalogDiscoveryHandle, data, length*sizeof(unsigned short)); // fetch data from IO buffer. FDwfDigitalInConfigure(AnalogDiscoveryHandle, false, false); // stop sampling
  3. Hi, I'm a happy AD II user and am also looking at the DD. One of my colleagues who does a lot of video work was asking if the DD could do synchronous capture, clocked by the DUT, rather than just async sampling. He thought that this might just be a firmware change as the hardware should already support this.. Have Digilent had any thoughts on synchronous capture? Thanks