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//=======================================================
//  Structural coding
//=======================================================

    NiosSystem u0 (
        .clk_clk                           (CLOCK_50),   //                        clk.clk
        .reset_reset_n                     (KEY[0]),     //                      reset.reset_n
        .altpll_0_areset_conduit_export    (1'b0),       //    altpll_0_areset_conduit.export
        .altpll_0_locked_conduit_export    (),           //    altpll_0_locked_conduit.export
        .altpll_0_phasedone_conduit_export (),           // altpll_0_phasedone_conduit.export
        .altpll_0_c1_clk                   (DRAM_CLK),   //                altpll_0_c1.clk
        .pio_0_external_connection_export  (LED),        //  pio_0_external_connection.export
        .sdram_0_wire_addr                 (DRAM_ADDR),  //               sdram_0_wire.addr
        .sdram_0_wire_ba                   (DRAM_BA),    //                           .ba
        .sdram_0_wire_cas_n                (DRAM_CAS_N), //                           .cas_n
        .sdram_0_wire_cke                  (DRAM_CKE),   //                           .cke
        .sdram_0_wire_cs_n                 (DRAM_CS_N),  //                           .cs_n
        .sdram_0_wire_dq                   (DRAM_DQ),    //                           .dq
        .sdram_0_wire_dqm                  (DRAM_DQM),   //                           .dqm
        .sdram_0_wire_ras_n                (DRAM_RAS_N), //                           .ras_n
        .sdram_0_wire_we_n                 (DRAM_WE_N)   //                           .we_n
    );


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#include <stdint.h>
#include "sys/alt_stdio.h"
#include "system.h"

#define led (*(uint8_t *)PIO_0_BASE)

int main()
{
volatile uint32_t t;
alt_putstr("Hello from Nios II!\n");
led = 0x00;

while (1){
for(t = 0; t < 20000; t++) ;
led++;
}
return 0;
}


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