ctr_eFuse/trunk/sample.c

#include <stdio.h>

#include "cr_generate_id.h"
#include "util.h"

int main(int argc, char* argv[])
{
    int i;
    int ret_code = 0;

    u8 id_buf[CR_ID_BUF_SIZE];          // 出力される ID の格納されるバッファ
    u32 device_id[CR_NUM_OF_DEVICEID];  // 生成関数に入力する ID
    int bonding_option = -1;            // ボンディングオプション

    // 時間計測用
    double time_start = 0;
    double time_end = 0;
    long double time_total = 0;
    int time_count = 0;

    // カウンタ
    u32 counter0 = 0;
    u64 counter1 = 0;
    u64 counter2 = 0;

    // 引数チェック
    if ( argc == 1 )
    {
        printf("Usage : %s bonding_option\n", argv[0]);
        printf("\tbonding_option : 00 01 10\n", argv[0]);
        return 0;
    }
    if ( argc >= 2 && strlen(argv[1]) >= 2 )
    {
        u8 bo_hi = argv[1][0] - '0';
        u8 bo_lo = argv[1][1] - '0';
        bonding_option = bo_hi*2 + bo_lo;
    }
    if ( bonding_option < 0 || 2 <= bonding_option )
    {
        printf("Invalid bonding_option\n");
        return -1;
    }

    printf("Now Initializing ... ");
    fflush(stdout);

    // cr_generate_id を使用する前に呼び出す
    ret_code = cr_generate_id_initialize( id_buf );
    if ( ret_code != CR_GENID_SUCCESS )
    {
        printf( "error : cr_generate_id_initialize\n" );
        return -1;
    }
    printf("done.\n");

    // 入力のための初期化
    keyboard_initialize();

    for ( i = 1; i < 0xffffffff; i++ )
    {
        u64 unit;

        // counter0 は 1 ずつ加算
        counter0 = i;
        if( counter0 == 0 )
        {
            counter0 = 1;
        }

        // counter1 は、"1～4 の乱数値" を加算
        unit = (u64)( ( rand() & 0x03 ) + 1 );
        counter1 += unit;

        // counter2 は、"0 以外の 32bit 乱数値" を加算
        do {
            unit = ((u64)rand() & 0xffff) | ( ((u64)rand() & 0xffff) << 16 );
        } while( unit == 0 );
        counter2 += unit;

        // counter から device_id を作成
        device_id[0] = counter0;
        device_id[1] = (u32)(counter1 & 0xffffffff );
        device_id[2] = (u32)( (counter1 >> 32) & 0xffffffff );
        device_id[3] = (u32)(counter2 & 0xffffffff );
        device_id[4] = (u32)( (counter2 >> 32) & 0xffffffff );

        // ID 生成
        time_start = gettimeofday_sec();
        ret_code = cr_generate_id( device_id, id_buf, bonding_option );
        if( ret_code != CR_GENID_SUCCESS )
        {
            fprintf(stderr, "cr_generate_id failed c=0x%08x\n", counter0);
        }
        else
        {
            time_end = gettimeofday_sec();
            time_total += (long double)(time_end - time_start);
            time_count++;
        }

        counter0++;
        counter1 += (u64)rand();
        counter2 += (u64)rand();

        if ( keyboard_is_hit() != 0 )
        {
            char c = keyboard_get_char();
            // p で ID, eFuseID, 処理時間を表示
            // s で eFuseID を保存
            // q で終了
            switch ( c )
            {
                case 'p' :
                    printf("ID[0] = 0x%08x\n", device_id[0]);
                    printf("ID[1] = 0x%08x%08x\n", device_id[2], device_id[1] );
                    printf("ID[2] = 0x%08x%08x\n", device_id[4], device_id[3] );
                    debug_print_array( "eFuseID", id_buf, sizeof(id_buf) );
                    printf("time av. = %8.8f sec\n", (double)(time_total/(long double)time_count));
                    break;

                case 's' :
                    debug_file_output( device_id[0], "bin", id_buf, sizeof(id_buf) );
                    printf("./0x%08x.%s is saved.\n", device_id[0], "bin");
                    break;

                case 'q' :
                    goto end;
            }
        }
    }

end:
    // 入力終了
    keyboard_finalize();

    // cr_generate_id を使用した後に呼び出す
	if ( cr_generate_id_finalize( id_buf ) != CR_GENID_SUCCESS )
	{
		printf( "error : cr_generate_id_finalize\n" );
		return 0; // error
	}

    printf( "end of main.\n" );

    return 0;
}