[Discuss-gnuradio] usrp2_ctrl_data_t

2010-08-18 Thread Ashish Bansal
Hi, There is a datatype"usrp2_ctrl_data_t" being used in the "usrp2_iface.cpp" file in the UHD Host folder. I couldn't find the definition for this data type. Please point me where this data type has been defined. Cheers ___ Disc

[Discuss-gnuradio] USRP2- Timestamp

2010-08-03 Thread Ashish Bansal
Hi , I am using USRP2. The newer version of GNU 3.3 contains timestamp code. Couls you please answer my following querries. 1. What do you exactly mean by timestamp. Does it mean it will output the 64 bit timer value with each sample. What is the command on the host side to see these timestamps.

[Discuss-gnuradio] Understanding Firmware & Communication

2010-07-28 Thread Ashish Bansal
Hi, I have following queries regarding FPGA in USRP2. 1. Data flow for the ADC samples. To which modules does it go, how is it processed and finally how is it sent out by FPGA. 2. How does the Host and FPGA communicate with each other. Is there an interrupt being created at the ethernet port and

[Discuss-gnuradio] Understanding Data Flow in the USRP2 Firmware

2010-07-23 Thread Ashish Bansal
Hi, I am trying to understand the data flow in the FPGA. I am trying to understand the Architecture and aemb firmware program control flow. Which one is the top level firmware "C" file. How it gets data from ADC. How it interacts with the UART etc.Please let me know some details on it. Thanks JS __