#include "sys/alt_stdio.h"
#include "alt_types.h"
#include "altera_avalon_pio_regs.h"
#include <stdio.h>
#include "system.h"
#include <unistd.h>
#include "../../test/test_csr.h"

#define test_hls_offset 0x9000

int main()
{
	printf("Hello from Nios II\n\n");
//	printf("**********************************\n");

	int a = 0;
	int b = 0;

	for (a = 0; a < 10; a++)
	{
		for (b = 0; b < 10; b++)
		{
			IOWR_32DIRECT(test_hls_offset + TEST_CSR_INTERRUPT_ENABLE_REG, 0, 1);
			IOWR_32DIRECT(test_hls_offset + TEST_CSR_INTERRUPT_STATUS_REG , 0, 1);
			printf("**********************************\n");
			printf("         case %d x %d             \n", a, b);
			printf("**********************************\n");
			printf("before write a is %d, b is %d\n", IORD_32DIRECT(test_hls_offset + TEST_CSR_ARG_A_REG, 0), IORD_32DIRECT(test_hls_offset + TEST_CSR_ARG_B_REG, 0) );
			IOWR_32DIRECT(test_hls_offset + TEST_CSR_ARG_A_REG, 0, a);
			IOWR_32DIRECT(test_hls_offset + TEST_CSR_ARG_B_REG, 0, b);
			printf("after write a is %d, b is %d\n", IORD_32DIRECT(test_hls_offset + TEST_CSR_ARG_A_REG, 0), IORD_32DIRECT(test_hls_offset + TEST_CSR_ARG_B_REG, 0) );
			printf("\n");

		    IOWR_32DIRECT(test_hls_offset + TEST_CSR_START_REG , 0, 1);

			usleep(50000);
		   
			printf("return data is %d\n", IORD_32DIRECT(test_hls_offset + TEST_CSR_RETURNDATA_REG , 0));
		    printf("\n");
		    printf("%d x %d is %d\n", a, b, IORD_32DIRECT(test_hls_offset + TEST_CSR_RETURNDATA_REG , 0));
			printf("**********************************\n");
		}
	}

	printf("finish!!\n");

	return 0;
}