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https://github.com/rvtr/ctr_eFuse.git
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sample:シャープ提供のサンプルを改めて作成。
git-svn-id: file:///Volumes/Transfer/gigaleak_20231201/2020-09-30%20-%20paladin.7z/paladin/ctr_eFuse@213 ff987cc8-cf2f-4642-8568-d52cce064691
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n2460
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commit
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@ -1,32 +1,15 @@
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# Linux 上でビルドする場合は、DEV_CYGWINをコメントアウトしてください。
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#DEV_CYGWIN = TRUE
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TARGET = gen_id
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SRCS = main.c
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SRCS = sample.c util.c
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OBJS = $(notdir $(SRCS:.c=.o))
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ifeq ($(DEV_CYGWIN),TRUE)
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CC := C:/Cygwin/bin/gcc-3
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LD = C:/Cygwin/bin/gcc-3
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CFLAGS += -mno-cygwin -DDEV_CYGWIN -Wall -I./
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LDFLAGS += -Wl,--subsystem,console -mwindows -mno-cygwin -L./
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LDLIBS += -lgenid
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TARGET_DEL = $(TARGET).exe
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else # DEV_CYGWIN
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CC := /usr/bin/gcc
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LD = /usr/bin/gcc
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LDFLAGS += -Wl -L./
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LDLIBS += -ldl -lnsl -lgenid
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LDLIBS += -lgenid
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TARGET_DEL = $(TARGET)
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endif # DEV_CYGWIN
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.SUFFIXES:
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all: $(TARGET)
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@ -40,5 +23,3 @@ $(TARGET): $(OBJS)
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.PHONY: clean clobber
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clean clobber:
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$(RM) $(OBJS) $(TARGET_DEL)
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147
trunk/sample.c
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147
trunk/sample.c
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@ -0,0 +1,147 @@
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#include <stdio.h>
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#include "cr_generate_id.h"
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#include "util.h"
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int main(int argc, char* argv[])
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{
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int i;
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int ret_code = 0;
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u8 id_buf[CR_ID_BUF_SIZE]; // 出力される ID の格納されるバッファ
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u32 device_id[CR_NUM_OF_DEVICEID]; // 生成関数に入力する ID
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int bonding_option = -1; // ボンディングオプション
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// 時間計測用
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double time_start = 0;
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double time_end = 0;
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long double time_total = 0;
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int time_count = 0;
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// カウンタ
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u32 counter0 = 0;
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u64 counter1 = 0;
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u64 counter2 = 0;
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// 引数チェック
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if ( argc == 1 )
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{
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printf("Usage : %s bonding_option\n", argv[0]);
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printf("\tbonding_option : 00 01 10\n", argv[0]);
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return 0;
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}
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if ( argc >= 2 && strlen(argv[1]) >= 2 )
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{
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u8 bo_hi = argv[1][0] - '0';
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u8 bo_lo = argv[1][1] - '0';
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bonding_option = bo_hi*2 + bo_lo;
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}
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if ( bonding_option < 0 || 2 <= bonding_option )
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{
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printf("Invalid bonding_option\n");
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return -1;
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}
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printf("Now Initializing ... ");
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fflush(stdout);
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// cr_generate_id を使用する前に呼び出す
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ret_code = cr_generate_id_initialize( id_buf );
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if ( ret_code != CR_GENID_SUCCESS )
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{
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printf( "error : cr_generate_id_initialize\n" );
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return -1;
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}
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printf("done.\n");
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// 入力のための初期化
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keyboard_initialize();
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for ( i = 1; i < 0xffffffff; i++ )
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{
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u64 unit;
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// counter0 は 1 ずつ加算
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counter0 = i;
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if( counter0 == 0 )
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{
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counter0 = 1;
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}
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// counter1 は、"1～4 の乱数値" を加算
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unit = (u64)( ( rand() & 0x03 ) + 1 );
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counter1 += unit;
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// counter2 は、"0 以外の 32bit 乱数値" を加算
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do {
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unit = ((u64)rand() & 0xffff) | ( ((u64)rand() & 0xffff) << 16 );
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} while( unit == 0 );
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counter2 += unit;
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// counter から device_id を作成
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device_id[0] = counter0;
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device_id[1] = (u32)(counter1 & 0xffffffff );
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device_id[2] = (u32)( (counter1 >> 32) & 0xffffffff );
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device_id[3] = (u32)(counter2 & 0xffffffff );
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device_id[4] = (u32)( (counter2 >> 32) & 0xffffffff );
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// ID 生成
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time_start = gettimeofday_sec();
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ret_code = cr_generate_id( device_id, id_buf, bonding_option );
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if( ret_code != CR_GENID_SUCCESS )
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{
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fprintf(stderr, "cr_generate_id failed c=0x%08x\n", counter0);
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}
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else
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{
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time_end = gettimeofday_sec();
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time_total += (long double)(time_end - time_start);
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time_count++;
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}
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counter0++;
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counter1 += (u64)rand();
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counter2 += (u64)rand();
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if ( keyboard_is_hit() != 0 )
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{
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char c = keyboard_get_char();
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// p で ID, eFuseID, 処理時間を表示
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// s で eFuseID を保存
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// q で終了
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switch ( c )
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{
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case 'p' :
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printf("ID[0] = 0x%08x\n", device_id[0]);
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printf("ID[1] = 0x%08x%08x\n", device_id[2], device_id[1] );
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printf("ID[2] = 0x%08x%08x\n", device_id[4], device_id[3] );
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debug_print_array( "eFuseID", id_buf, sizeof(id_buf) );
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printf("time av. = %8.8f sec\n", (double)(time_total/(long double)time_count));
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break;
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case 's' :
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debug_file_output( device_id[0], "bin", id_buf, sizeof(id_buf) );
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printf("./0x%08x.%s is saved.\n", device_id[0], "bin");
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break;
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case 'q' :
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goto end;
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}
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}
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}
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end:
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// 入力終了
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keyboard_finalize();
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// cr_generate_id を使用した後に呼び出す
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if ( cr_generate_id_finalize( id_buf ) != CR_GENID_SUCCESS )
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{
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printf( "error : cr_generate_id_finalize\n" );
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return 0; // error
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}
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printf( "end of main.\n" );
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return 0;
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}
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97
trunk/util.c
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97
trunk/util.c
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@ -0,0 +1,97 @@
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#include <stdio.h>
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#include <termios.h>
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#include <time.h>
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#include <sys/time.h>
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#include "util.h"
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static struct termios initial_setting, new_setting;
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static int peek_character = -1;
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void keyboard_initialize( void )
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{
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tcgetattr( 0, &initial_setting );
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new_setting = initial_setting;
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new_setting.c_lflag &= ~ICANON;
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new_setting.c_lflag &= ~ECHO;
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new_setting.c_lflag &= ~ISIG;
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new_setting.c_cc[VMIN] = 0;
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new_setting.c_cc[VTIME] = 0;
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tcsetattr( 0, TCSANOW, &initial_setting );
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}
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void keyboard_finalize( void )
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{
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tcsetattr( 0, TCSANOW, &initial_setting );
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}
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int keyboard_is_hit( void )
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{
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char ch;
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int nread;
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if ( peek_character != -1 )
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{
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return 1;
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}
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new_setting.c_cc[VMIN] = 0;
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tcsetattr( 0, TCSANOW, &new_setting );
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nread = read( 0, &ch, 1 );
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new_setting.c_cc[VMIN] = 1;
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tcsetattr( 0, TCSANOW, &new_setting );
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if ( nread == 1 )
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{
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peek_character = ch;
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return 1;
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}
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return 0;
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}
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char keyboard_get_char( void )
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{
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char ch;
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if ( peek_character != -1 )
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{
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ch = peek_character;
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peek_character = -1;
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return ch;
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}
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read( 0, &ch, 1 );
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return ch;
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}
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void debug_print_array( const char *label, const unsigned char *data, int length )
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{
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int i;
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printf( "%s", label );
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for( i = 0 ; i < length; i++ )
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{
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if( (i % 16) == 0 )
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{
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printf("\n ");
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}
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printf("%02X ", data[ i ] );
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}
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printf("\n");
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}
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void debug_file_output( unsigned int id, char *suffix, const unsigned char *data, int length )
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{
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FILE *fp;
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char file_name[256];
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sprintf( file_name, "./0x%08x.%s", id, suffix );
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fp = fopen( file_name, "wb" );
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fwrite( data, length, 1, fp );
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fclose( fp );
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}
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double gettimeofday_sec(void)
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec + (double)tv.tv_usec*1e-6;
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}
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28
trunk/util.h
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28
trunk/util.h
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#ifndef _CR_GENERATE_ID_SAMPLE_UTIL_H
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#define _CR_GENERATE_ID_SAMPLE_UTIL_H
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// キーボードの初期化処理
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void keyboard_initialize( void );
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// キーボードの終了処理
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void keyboard_finalize( void );
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// キーボードの(どこかのキーが)が押されたかどうかを返す
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// 0 : 押されてない
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// 1 : 押されている
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int keyboard_is_hit( void );
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// キーボードの押されているキーを ASCII の値で返す
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char keyboard_get_char( void );
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// 配列を 16 進表記で表示する
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void debug_print_array( const char *label, const unsigned char *data, int length );
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// 配列をバイナリファイルファイルとしてカレントディレクトリに書き出す
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// 特にエラーハンドリングしていないので注意
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void debug_file_output( unsigned int id, char *suffix, const unsigned char *data, int length );
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// 時刻取得し、秒数で返す
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double gettimeofday_sec( void );
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#endif /* _CR_GENERATE_ID_SAMPLE_UTIL_H_ */
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