I want to when i examine rfnoc block or example blocks spp is set to 64 in the test bench, my question is in FPGA what's the spp default for ordinary blocks? I need spp to be 1 , but when I changed it I faced a strange error and the simulation has an error
Fatal: ChdrIfaceBfm::set_max_payload_length: max_payload_length must be a multiple of CHDR_W in bytes `default_nettype none module rfnoc_block_gain_tb; `include "test_exec.svh" import PkgTestExec::*; import PkgChdrUtils::*; import PkgRfnocBlockCtrlBfm::*; import PkgRfnocItemUtils::*; `include "rfnoc_block_siggen_regs.vh" //--------------------------------------------------------------------------- // Testbench Configuration //--------------------------------------------------------------------------- localparam [ 9:0] THIS_PORTID = 10'h123; localparam [31:0] NOC_ID = 32'h2CD7049B; localparam int NUM_PORTS = 1; // Number of CHDR data ports localparam int NUM_PORTS_I = 0+NUM_PORTS; localparam int NUM_PORTS_O = 0+NUM_PORTS; localparam int CHDR_W = 64; // CHDR size in bits localparam int ITEM_W = 32; // Sample size in bits localparam int MTU = 13; // Log2 of max transmission unit in CHDR words localparam int SPP = 1; // Samples per packet localparam int PKT_SIZE_BYTES = SPP * (ITEM_W/8); localparam int STALL_PROB = 25; // Default BFM stall probability localparam real CHDR_CLK_PER = 5.0; // 200 MHz localparam real CTRL_CLK_PER = 25.0; // 40 MHz localparam real CE_CLK_PER = 4.0; // 250 MHz
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