Subversion Repositories apb2spi

class spi_driver extends uvm_driver#(spi_seq_item);
        `uvm_component_utils(spi_driver)

        //uvm_analysis_port#(spi_seq_item) spi_ap;

        virtual spi_if v_intf;
        integer cnt=0;
        spi_seq_item txn;

function new(string name,uvm_component parent);
        super.new(name,parent);
        //apb_ap = new("apb_ap",this);
endfunction

function void build_phase(uvm_phase phase);
        if(!uvm_config_db #(virtual spi_if)::get(this,"","spi_vif",v_intf))
                `uvm_fatal("NO_SPI_V_INTF","Virtual interface couldn't be obtained for spi driver")
        txn = spi_seq_item::type_id::create("txn");
endfunction

task run_phase(uvm_phase phase);
        //txn = spi_seq_item::type_id::create("txn");
        forever
        begin
                fork
                begin
                        txn.rdata = txn.ss0_data;
                        wait(v_intf.SS==1'b0);
                        for(int i=0;i<=`SPI_REG_WIDTH-1;i++)
                        begin
                                @(posedge v_intf.SCLK)
                                v_intf.MISO = txn.rdata[i];
                        end
                end
                begin
                        wait(v_intf.SS==1'b0);
                        for(int i=0;i<=`SPI_REG_WIDTH-1;i++)
                        begin
                                @(posedge v_intf.SCLK)
                                txn.wdata[i] = v_intf.MOSI;
                        end
                        txn.ss0_data = txn.wdata;
                end
                join
        end
endtask 

endclass