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TMS320C6678: SRIO 通讯数据的配置

la Ni
Prodigy 230 points
Part Number: TMS320C6678

工程师您好！

我们现在使用的环境是CCS9.3，pdk_c667x_2_0_16\packages\MyExampleProjects\SRIO_LpbkDioIsr_evmc6678_C66BiosExampleProject 这个例程，

修改后，可以与FPGA进行link，并FPGA可以收到DSP的数据。

但看到的srcTID，还有nWrite的目标寄存器addr也是固定的，请问这两个值是在哪里修改？

还是有功能更完整的例程？

感谢！

  • 0
    TI__Guru**** 357097 points

    硬件会自动设置。请看SRIO user guide的说明。

    Some fields, such as the RapidIO srcTID/targetTID field, are assigned by hardware and do not have a corresponding command register field.

    Each LSU can support up to 16 SRCTIDs. Thus LSU0 can generate transactions with SRCTID 0-15, LSU1 from SRCTIDs 16-31, and so on. When a new command is started from an LSU, it starts back at the starting SRCTID. Thus for LSU1, every new command starts at 16.
    https://www.ti.com/lit/ug/sprugw1c/sprugw1c.pdf