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进度条，随机数---demo笔记【原创】
阅读量：6282 次
发布时间：2019-06-22

本文共 10854 字，大约阅读时间需要 36 分钟。

本人学习笔记，参考网上代码完成

makefile

TEST_OBJ := rng_appMAKEOPT := ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi-ARM_LINUX_KERNEL := /home/zhangbh/5830/hjf_5830x_7_24/firmware/build_dir/linux-brcm5830_sxxx-prolin2/linux-3.6.5PWD = $(shell pwd)all:    arm-none-linux-gnueabi-gcc -o $(TEST_OBJ) $(TEST_OBJ).c.PHONY: cleanclean:    rm -rf .*.cmd *.o *.mod.c *.ko .tmp_versions Module.symvers .Makefile.swp modules.order $(TEST_OBJ)

rng_app.c

#include 
     
      #include 
      
       #include 
       
        #include 
        
         #include 
         
          #include 
          
           #include 
           
            #include 
            
             #define RANDOM_NAME "hw_random"int random_fd;typedef struct { char chr; /*tip char*/ char *title; /*tip string*/ int style; /*progress style*/ int max; /*maximum value*/ float offset; char *pro;} progress_t; #define PROGRESS_NUM_STYLE 0#define PROGRESS_CHR_STYLE 1#define PROGRESS_BGC_STYLE 2 void progress_init(progress_t *, char *, int, int);void progress_show(progress_t *, int);void progress_destroy(progress_t *);int random_num(int min, int max);void displayProgress(int progress);FILE *fp = NULL;int main(int argc, char **argv){ long long rand_num = 0; long long max_random = 0; int i, j; long long random_size = 100; int count = 0; long long check_cnt = 0; long long a[4096]; long long check_size = 0; long long b[4096]; unsigned cnt = 0; unsigned flag_b = 0; unsigned char *file_name = "./t.txt"; progress_t bar; //progress_init(&bar, "", 50, PROGRESS_NUM_STYLE); progress_init(&bar, "", 100, PROGRESS_CHR_STYLE); //progress_init(&bar, "", 50, PROGRESS_BGC_STYLE); random_fd = open("/dev/hw_random", O_RDONLY); if (random_fd < 0) { printf("open file %s failed!\r\n", RANDOM_NAME); return -1; } printf("sizeof(long int)=%d\r\n", sizeof(long int)); printf("sizeof(long)=%d\r\n", sizeof(long)); printf("sizeof(long long)=%d\r\n", sizeof(long long)); max_random = atoi(argv[1]); check_size = atoi(argv[2]); fp = fopen(file_name, "a"); if (!fp) { perror("fopen"); progress_destroy(&bar); } //rand_num = random_num(0, 10000); check_cnt = 0; while (check_cnt < check_size) { for (j=0; j
             
              %d%% \b\n", (check_cnt*100)/check_size); // displayProgress((check_cnt*100)/check_size); progress_show(&bar, (check_cnt*100)/check_size/1.0f); } } printf("\n+-Done\n"); printf("\n"); // printf("a[50]=%d\r\n", a[50]); printf("count = %d\r\n", count); printf("check_cnt = %d\r\n", check_cnt); printf("flag_b = %d\r\n", flag_b); for (i=0; i<10; i++) { printf("b[%d]=%ld\r\n", i, b[i]); }#if 0 int i; for ( i = 0; i <= 50; i++ ) { progress_show(&bar, i/50.0f); sleep(1); } printf("\n+-Done\n"); #endif progress_destroy(&bar); return 0;}#if 0int write_to_file(unsigned long data, int tmp){ fprintf(fp, "%ld\n%d\n", msg->user_name, msg->user_data); fflush(fp); return 0;}#endifint random_num(int min, int max){ //static int random_fd; unsigned long int random_value = 0; int bytes_to_read; char *next_random_byte; int ret; assert(max > min); next_random_byte = (char *)&random_value; bytes_to_read = sizeof(random_value); /* 因为是从/dev/random中读取，read可能会被阻塞，一次读取可能只能得到一个字节， * 循环是为了让我们读取足够的字节数来填充random_value. */ do { ret = read(random_fd, next_random_byte, bytes_to_read); bytes_to_read -= ret; next_random_byte += ret; } while (bytes_to_read > 0); return min + (random_value%(max - min + 1));}void displayProgress(int progress){ int k = 0; for (k=0; k<106; k++) putchar('\b');//将当前行全部清空，用以显示最新的进度条状态 int j = 0; for (j=0; j
              
               chr = '#'; bar->title = title; bar->style = style; bar->max = max; bar->offset = 100 / (float)max; bar->pro = (char *) malloc(max+1); if ( style == PROGRESS_BGC_STYLE ) memset(bar->pro, 0x00, max+1); else { memset(bar->pro, 32, max); memset(bar->pro+max, 0x00, 1); }} void progress_show( progress_t *bar, int bit ){ // int val = (int)(bit * bar->max); int val = bit; switch ( bar->style ) { case PROGRESS_NUM_STYLE: printf("\033[?25l\033[31m\033[1m%s%d%%\033[?25h\033[0m\r", bar->title, (int)(bar->offset * val)); fflush(stdout); break; case PROGRESS_CHR_STYLE: memset(bar->pro, '#', val); // printf("\033[?25l\033[31m\033[1m%s[%-s] %d%%\033[?25h\033[0m\r", // bar->title, bar->pro, (int)(bar->offset * val)); printf("\033[?25l\033[31m\033[1m%s[%-s] %d%%\033[?25h\033[0m\r", bar->title, bar->pro, val); fflush(stdout); break; case PROGRESS_BGC_STYLE: memset(bar->pro, 32, val); printf("\033[?25l\033[31m\033[1m%s\033[41m %d%% %s\033[?25h\033[0m\r", bar->title, (int)(bar->offset * val), bar->pro); fflush(stdout); break; }} //destroy the the progress bar.void progress_destroy(progress_t *bar){ free(bar->pro);}

test.c

#include 
     
      #include 
      
       #include 
       
        #include 
        
         #define RESETCOLOR "\033[0m"#define GREEN "\033[0;32m"#define RED "\033[0;31m"#define LIGHT_RED "\033[1;31m" #define YELLOW "\033[1;33m"#define BLUE "\033[0;34m"#define LIGHT_BLUE "\033[1;34m" #define CYAN "\033[0;36m" #define PURPLE "\033[0;35m"#define LIGHT_PURPLE "\033[1;35m"#define BROWN "\033[0;33m"#define WHITE "\033[1;37m"#define LIGHT_GRAY "\033[0;37m" #define DARY_GRAY "\033[1;30m"typedef struct {    char chr;       /*tip char*/    char *title;    /*tip string*/    int style;      /*progress style*/    int max;        /*maximum value*/    float offset;    char *pro;} progress_t; #define PROGRESS_NUM_STYLE 0#define PROGRESS_CHR_STYLE 1#define PROGRESS_BGC_STYLE 2 void progress_init(progress_t *, char *, int, int);void progress_show(progress_t *, float);void progress_destroy(progress_t *);int main(int argc, char *argv[] ){    progress_t bar;  //  progress_init(&bar, "", 10, PROGRESS_NUM_STYLE);    progress_init(&bar, "", 100, PROGRESS_CHR_STYLE);   // progress_init(&bar, "", 100, PROGRESS_BGC_STYLE);     int i;    for ( i = 0; i <= 100; i++ ) {    progress_show(&bar, i/100.0f);    usleep(1000*50);    }    printf("\n+-Done\n");        printf("\033c");    printf(YELLOW"D"GREEN"e"RED"n"LIGHT_RED"g"YELLOW" x"BLUE"i"LIGHT_BLUE"a"CYAN"o w"PURPLE"u h"LIGHT_PURPLE"ap"BROWN"py "LIGHT_GRAY"bir"DARY_GRAY"thday!!!"RESETCOLOR"\r\n");        printf(YELLOW"D"GREEN"e"RED"n"LIGHT_RED"g"YELLOW" x"BLUE"i"LIGHT_BLUE"a"CYAN"o w"PURPLE"u h"LIGHT_PURPLE"ap"BROWN"py "LIGHT_GRAY"bir"DARY_GRAY"thday!!!"RESETCOLOR"\r\n");        sleep(1);    printf(YELLOW"D"GREEN"e"RED"n"LIGHT_RED"g"YELLOW" x"BLUE"i"LIGHT_BLUE"a"CYAN"o w"PURPLE"u h"LIGHT_PURPLE"ap"BROWN"py "LIGHT_GRAY"bir"DARY_GRAY"thday!!!"RESETCOLOR"\r\n");        printf(YELLOW"D"GREEN"e"RED"n"LIGHT_RED"g"YELLOW" x"BLUE"i"LIGHT_BLUE"a"CYAN"o w"PURPLE"u h"LIGHT_PURPLE"ap"BROWN"py "LIGHT_GRAY"bir"DARY_GRAY"thday!!!"RESETCOLOR"\r\n");        printf(YELLOW"D"GREEN"e"RED"n"LIGHT_RED"g"YELLOW" x"BLUE"i"LIGHT_BLUE"a"CYAN"o w"PURPLE"u h"LIGHT_PURPLE"ap"BROWN"py "LIGHT_GRAY"bir"DARY_GRAY"thday!!!"RESETCOLOR"\r\n");            progress_destroy(&bar);     return 0;} /** * initialize the progress bar. * @max = 0 * @val = 0 * * @param   style * @param   tip words. */void progress_init(    progress_t *bar, char *title, int max, int style){    bar->chr = '#';    bar->title = title;    bar->style = style;    bar->max = max;    bar->offset = 100 / (float)max;    bar->pro = (char *) malloc(max+1);    if ( style == PROGRESS_BGC_STYLE )    memset(bar->pro, 0x00, max+1);    else {    memset(bar->pro, 32, max);    memset(bar->pro+max, 0x00, 1);    }} void progress_show( progress_t *bar, float bit ){    int val = (int)(bit * bar->max);        switch ( bar->style )     {        case PROGRESS_NUM_STYLE:            printf("\033[?25l\033[31m\033[1m%s%d%%\033[?25h\033[0m\r",                bar->title, (int)(bar->offset * val));            fflush(stdout);            break;                    case PROGRESS_CHR_STYLE:            memset(bar->pro, '#', val);            printf("\033[?25l\033[31m\033[1m%s[%-s] %d%%\033[?25h\033[0m\r",                 bar->title, bar->pro, (int)(bar->offset * val));            fflush(stdout);            break;                    case PROGRESS_BGC_STYLE:            memset(bar->pro, 32, val);            printf("\033[?25l\033[31m\033[1m%s\033[41m %d%% %s\033[?25h\033[0m\r",                 bar->title, (int)(bar->offset * val), bar->pro);            fflush(stdout);            break;    }} //destroy the the progress bar.void progress_destroy(progress_t *bar){    free(bar->pro);}

xipai.c

#include 
     
      #include 
      
       #include 
       
        #include 
        
          #define CARDSNUM 10                                      /* 牌数 */ #define NUMXIPAI 1                                       /* 洗牌次数 */ #define TONGJINUM 10000000                               /* 统计次数 */ #define CARDS cards                                      /* 扑克数组 */ #define TONGJI tongji                                    /* 统计数组 */          #define CARDS_F  int CARDS[CARDSNUM]                     /* 扑克数组定义及函数参数 */ #define TONGJI_F long int TONGJI[CARDSNUM][CARDSNUM]      /* 统计数组定义及函数参数 */  /* 洗牌函数声明 */void InitCards(CARDS_F);void ShuffleArray_Fisher_Yates(CARDS_F);void PrintCards(CARDS_F);void Puke(CARDS_F);  /* 统计函数声明 */void InitTongji(TONGJI_F);void Tongjisum(CARDS_F, TONGJI_F);void PrintTongji(TONGJI_F);void Tongji(CARDS_F, TONGJI_F); int main(void){    time_t t;     CARDS_F;    TONGJI_F;         srand(time(&t)); //  Puke(CARDS);//  PrintCards(CARDS);         Tongji(CARDS, TONGJI);    PrintTongji(TONGJI);         return 0;} void InitCards(CARDS_F)       /*码牌   扑克数组初始化 */{    int i;    for(i = 0; i< CARDSNUM; i++)       {        CARDS[i] = i+1;    }} void ShuffleArray_Fisher_Yates(CARDS_F)    /* Fisher_Yates算法 */{    int i, j, k;     for(i = CARDSNUM; i> 0; i--)    {                 j = (rand()%(i));         k = CARDS[i-1];        CARDS[i-1] = CARDS[j];        CARDS[j] = k;    }} void PrintCards(CARDS_F)   /* 输出牌 */{    int j;         printf("\nYour Cards Is: ");    for(j = 0; j < CARDSNUM; j++)    {        if(!(j%10))        {            printf("\n");        }           printf("%d  ", CARDS[j]);    }} void Puke(CARDS_F)      /* 洗牌 */{    int i;         InitCards(CARDS);          for(i = 1; i<= NUMXIPAI; i++)    {        ShuffleArray_Fisher_Yates(CARDS);    }      } void InitTongji(TONGJI_F)              /* 统计数组初始化 */{    int j, k;         for(j = 0; j < CARDSNUM; j++)    {        for(k = 0; k < CARDSNUM; k++)        {            TONGJI[j][k] = 0;        }    }} void Tongjisum(CARDS_F, TONGJI_F)    /* 统计扑克牌的出现位置 */{    int j, k;         Puke(CARDS);         for(j = 0; j < CARDSNUM; j++)    {        k = CARDS[j];        TONGJI[j][k-1] += 1;    }} void PrintTongji(TONGJI_F)   /* 输出统计结果 */{    int i, j;         printf("\nTongji Result Is: \n");    for(i = 0; i< CARDSNUM; i++)    {        for(j = 0; j < CARDSNUM; j++)        {               printf("%ld  ", TONGJI[i][j]);        }        printf("\n");    }} void Tongji(CARDS_F, TONGJI_F)    /* 扑克牌的概率统计 */{    long int i;         InitTongji(TONGJI);         for(i = 0; i< TONGJINUM; i++)    {        Tongjisum(CARDS, TONGJI);    }}

 

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