No.104385 作者:wangxianmin 邮件:wangxianmin1987@yahoo.com.cn ID:75603 登陆:1次 文章数:1篇 最后登陆IP: 最后登陆:2007/4/29 6:48:48 注册:2007/4/29 6:48:48 财富:100 发帖时间:2007/4/29 7:11:03 发贴者IP:61.138.125.8 标题:wangxianmin:查错? 摘要:No.104385查错? 大哥大姐们好: 小弟初学单片机,在资料的帮助下,用89C2051和DS1302制作了一个电子时钟,并用6位数码馆分别显示时,分,秒,显示器驱动用的是74LS164;写的程序如下,显示的数字是:141414 麻烦朋友们给我指出一下错误在那里? 本人邮箱:wangxianmin1987@yahoo.com.cn 非常谢谢! DS1302的初始化及显示: #include "reg51.h" #include "typedef.h" #include "lcd.h" #include "ds1302.h" #include "key.h" #define uchar unsigned char void reset_3w(); void wbyte_3w(uchar); uchar rbyte_3w(); void write_byte(uchar Clock_Add,uchar Clock_Data); uchar read_byte(uchar); void write_clock_burst(); void ds1302_init(); void ds1302_task(); void dis(); sbit DAT=P1^0; sbit CLK=P1^1; uchar Disbuffer[6]={0,0,0,0,0,0}; uchar code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x08,0x40,0x01}; uchar code hex2bcd[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, /* 00-09 */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, /* 10-19 */ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, /* 20-29 */ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, /* 30-39 */ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, /* 40-49 */ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, /* 50-59 */ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, /* 60-69 */ 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, /* 70-79 */ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, /* 80-89 */ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, /* 90-99 */ }; uchar code bcd2hex[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, /* 00-09 */ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 0, 0, 0, 0, 0, 0, /* 10-19 */ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 0, 0, 0, 0, 0, 0, /* 20-29 */ 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 0, 0, 0, 0, 0, 0, /* 30-39 */ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 0, 0, 0, 0, 0, 0, /* 40-49 */ 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 0, 0, 0, 0, 0, 0, /* 50-59 */ 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 0, 0, 0, 0, 0, 0, /* 60-69 */ 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 0, 0, 0, 0, 0, 0, /* 70-79 */ 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 0, 0, 0, 0, 0, 0, /* 80-89 */ 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 0, 0, 0, 0, 0, 0, /* 90-99 */ }; void reset_3w() /* ----- reset and enable the 3-wire interface ------ */ { SCLK = 0; RST = 0; RST = 1; } void wbyte_3w(uchar W_Byte) /* ------ write one byte to the device ------- */ { uchar i; for(i = 0; i < 8; ++i) { IO = 0; if(W_Byte & 0x01) { IO = 1; /* set port pin high to read data */ } SCLK = 0; SCLK = 1; W_Byte > > = 1; } } uchar rbyte_3w() //read one byte from the device { uchar i; uchar R_Byte; uchar TmpByte; R_Byte = 0x00; IO = ......
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