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「MAX 10 NEEK」へソフトコアCPUを組み込む(ソースコード)(2/3 ページ)

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/*
 * "Hello World" example.
 *
 * This example prints 'Hello from Nios II' to the STDOUT stream. It runs on
 * the Nios II 'standard', 'full_featured', 'fast', and 'low_cost' example
 * designs. It runs with or without the MicroC/OS-II RTOS and requires a STDOUT
 * device in your system's hardware.
 * The memory footprint of this hosted application is ~69 kbytes by default
 * using the standard reference design.
 *
 * For a reduced footprint version of this template, and an explanation of how
 * to reduce the memory footprint for a given application, see the
 * "small_hello_world" template.
 *
 */
#include <stdio.h>
#include "system.h"
#include "altera_avalon_pio_regs.h"
int main()
{
	printf("Hello from Nios II!\n");
	unsigned long cnt = 0;
	long	delay;
	while(1)
	{
		IOWR_ALTERA_AVALON_PIO_DATA(PIO_0_BASE, cnt&0x01);
		for(delay = 0; delay < 1000000; delay++);
		cnt++;
	}
  return 0;
}
endmodule
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