我的小时钟
怎么才能使显示的时间信息不移动，代码是我从论坛里两个帖子复制的，二合一该怎么办
#include <stdio.h>
#include <string.h>
#include <DS1302.h>
/* 接口定义
CE(DS1302 pin5) -> Arduino D8
IO(DS1302 pin6) -> Arduino D9
SCLK(DS1302 pin7) -> Arduino D10
*/
uint8_t CE_PIN = 8;
uint8_t IO_PIN = 9;
uint8_t SCLK_PIN = 10;
//引脚使用Arduino上
#define PIN_SCE 7
#define PIN_RESET 6
#define PIN_DC 5
#define PIN_SDIN4
#define PIN_SCLK3
//**************************************
//配置为LCD
#define LCD_C LOW
#define LCD_D HIGH
#define LCD_CMD 0
//****************************************
//液晶的尺寸
#define LCD_X 84
#define LCD_Y 48
//***************************************
int scrollPosition = -10;
static const byte ASCII[] =
{
{
0x00, 0x00, 0x00, 0x00, 0x00} // 20
,{
0x00, 0x00, 0x5f, 0x00, 0x00} // 21 !
,{
0x00, 0x07, 0x00, 0x07, 0x00} // 22 "
,{
0x14, 0x7f, 0x14, 0x7f, 0x14} // 23 #
,{
0x24, 0x2a, 0x7f, 0x2a, 0x12} // 24 $$
,{
0x23, 0x13, 0x08, 0x64, 0x62} // 25 %
,{
0x36, 0x49, 0x55, 0x22, 0x50} // 26 &
,{
0x00, 0x05, 0x03, 0x00, 0x00} // 27 '
,{
0x00, 0x1c, 0x22, 0x41, 0x00} // 28 (
,{
0x00, 0x41, 0x22, 0x1c, 0x00} // 29 )
,{
0x14, 0x08, 0x3e, 0x08, 0x14} // 2a *
,{
0x08, 0x08, 0x3e, 0x08, 0x08} // 2b +
,{
0x00, 0x50, 0x30, 0x00, 0x00} // 2c ,
,{
0x08, 0x08, 0x08, 0x08, 0x08} // 2d -
,{
0x00, 0x60, 0x60, 0x00, 0x00} // 2e .
,{
0x20, 0x10, 0x08, 0x04, 0x02} // 2f /
,{
0x3e, 0x51, 0x49, 0x45, 0x3e} // 30 0
,{
0x00, 0x42, 0x7f, 0x40, 0x00} // 31 1
,{
0x42, 0x61, 0x51, 0x49, 0x46} // 32 2
,{
0x21, 0x41, 0x45, 0x4b, 0x31} // 33 3
,{
0x18, 0x14, 0x12, 0x7f, 0x10} // 34 4
,{
0x27, 0x45, 0x45, 0x45, 0x39} // 35 5
,{
0x3c, 0x4a, 0x49, 0x49, 0x30} // 36 6
,{
0x01, 0x71, 0x09, 0x05, 0x03} // 37 7
,{
0x36, 0x49, 0x49, 0x49, 0x36} // 38 8
,{
0x06, 0x49, 0x49, 0x29, 0x1e} // 39 9
,{
0x00, 0x36, 0x36, 0x00, 0x00} // 3a :
,{
0x00, 0x56, 0x36, 0x00, 0x00} // 3b ;
,{
0x08, 0x14, 0x22, 0x41, 0x00} // 3c <
,{
0x14, 0x14, 0x14, 0x14, 0x14} // 3d =
,{
0x00, 0x41, 0x22, 0x14, 0x08} // 3e >
,{
0x02, 0x01, 0x51, 0x09, 0x06} // 3f ?
,{
0x32, 0x49, 0x79, 0x41, 0x3e} // 40 @
,{
0x7e, 0x11, 0x11, 0x11, 0x7e} // 41 A
,{
0x7f, 0x49, 0x49, 0x49, 0x36} // 42 B
,{
0x3e, 0x41, 0x41, 0x41, 0x22} // 43 C
,{
0x7f, 0x41, 0x41, 0x22, 0x1c} // 44 D
,{
0x7f, 0x49, 0x49, 0x49, 0x41} // 45 E
,{
0x7f, 0x09, 0x09, 0x09, 0x01} // 46 F
,{
0x3e, 0x41, 0x49, 0x49, 0x7a} // 47 G
,{
0x7f, 0x08, 0x08, 0x08, 0x7f} // 48 H
,{
0x00, 0x41, 0x7f, 0x41, 0x00} // 49 I
,{
0x20, 0x40, 0x41, 0x3f, 0x01} // 4a J
,{
0x7f, 0x08, 0x14, 0x22, 0x41} // 4b K
,{
0x7f, 0x40, 0x40, 0x40, 0x40} // 4c L
,{
0x7f, 0x02, 0x0c, 0x02, 0x7f} // 4d M
,{
0x7f, 0x04, 0x08, 0x10, 0x7f} // 4e N
,{
0x3e, 0x41, 0x41, 0x41, 0x3e} // 4f O
,{
0x7f, 0x09, 0x09, 0x09, 0x06} // 50 P
,{
0x3e, 0x41, 0x51, 0x21, 0x5e} // 51 Q
,{
0x7f, 0x09, 0x19, 0x29, 0x46} // 52 R
,{
0x46, 0x49, 0x49, 0x49, 0x31} // 53 S
,{
0x01, 0x01, 0x7f, 0x01, 0x01} // 54 T
,{
0x3f, 0x40, 0x40, 0x40, 0x3f} // 55 U
,{
0x1f, 0x20, 0x40, 0x20, 0x1f} // 56 V
,{
0x3f, 0x40, 0x38, 0x40, 0x3f} // 57 W
,{
0x63, 0x14, 0x08, 0x14, 0x63} // 58 X
,{
0x07, 0x08, 0x70, 0x08, 0x07} // 59 Y
,{
0x61, 0x51, 0x49, 0x45, 0x43} // 5a Z
,{
0x00, 0x7f, 0x41, 0x41, 0x00} // 5b [
,{
0x02, 0x04, 0x08, 0x10, 0x20} // 5c ¥
,{
0x00, 0x41, 0x41, 0x7f, 0x00} // 5d ]
,{
0x04, 0x02, 0x01, 0x02, 0x04} // 5e ^
,{
0x40, 0x40, 0x40, 0x40, 0x40} // 5f _
,{
0x00, 0x01, 0x02, 0x04, 0x00} // 60 `
,{
0x20, 0x54, 0x54, 0x54, 0x78} // 61 a
,{
0x7f, 0x48, 0x44, 0x44, 0x38} // 62 b
,{
0x38, 0x44, 0x44, 0x44, 0x20} // 63 c
,{
0x38, 0x44, 0x44, 0x48, 0x7f} // 64 d
,{
0x38, 0x54, 0x54, 0x54, 0x18} // 65 e
,{
0x08, 0x7e, 0x09, 0x01, 0x02} // 66 f
,{
0x0c, 0x52, 0x52, 0x52, 0x3e} // 67 g
,{
0x7f, 0x08, 0x04, 0x04, 0x78} // 68 h
,{
0x00, 0x44, 0x7d, 0x40, 0x00} // 69 i
,{
0x20, 0x40, 0x44, 0x3d, 0x00} // 6a j
,{
0x7f, 0x10, 0x28, 0x44, 0x00} // 6b k
,{
0x00, 0x41, 0x7f, 0x40, 0x00} // 6c l
,{
0x7c, 0x04, 0x18, 0x04, 0x78} // 6d m
,{
0x7c, 0x08, 0x04, 0x04, 0x78} // 6e n
,{
0x38, 0x44, 0x44, 0x44, 0x38} // 6f o
,{
0x7c, 0x14, 0x14, 0x14, 0x08} // 70 p
,{
0x08, 0x14, 0x14, 0x18, 0x7c} // 71 q
,{
0x7c, 0x08, 0x04, 0x04, 0x08} // 72 r
,{
0x48, 0x54, 0x54, 0x54, 0x20} // 73 s
,{
0x04, 0x3f, 0x44, 0x40, 0x20} // 74 t
,{
0x3c, 0x40, 0x40, 0x20, 0x7c} // 75 u
,{
0x1c, 0x20, 0x40, 0x20, 0x1c} // 76 v
,{
0x3c, 0x40, 0x30, 0x40, 0x3c} // 77 w
,{
0x44, 0x28, 0x10, 0x28, 0x44} // 78 x
,{
0x0c, 0x50, 0x50, 0x50, 0x3c} // 79 y
,{
0x44, 0x64, 0x54, 0x4c, 0x44} // 7a z
,{
0x00, 0x08, 0x36, 0x41, 0x00} // 7b {
,{
0x00, 0x00, 0x7f, 0x00, 0x00} // 7c |
,{
0x00, 0x41, 0x36, 0x08, 0x00} // 7d }
,{
0x10, 0x08, 0x08, 0x10, 0x08} // 7e ←
,{
0x00, 0x06, 0x09, 0x09, 0x06} // 7f →
};
//*************************************************
void LcdCharacter(char character)
{
LcdWrite(LCD_D, 0x00);
for (int index = 0; index < 5; index++)
{
LcdWrite(LCD_D, ASCII);
}
LcdWrite(LCD_D, 0x00);
}
void LcdClear(void)
{
for (int index = 0; index < LCD_X * LCD_Y / 8; index++)
{
LcdWrite(LCD_D, 0x00);
}
}
void LcdInitialise(void)
{
pinMode(PIN_SCE, OUTPUT);
pinMode(PIN_RESET, OUTPUT);
pinMode(PIN_DC, OUTPUT);
pinMode(PIN_SDIN,OUTPUT);
pinMode(PIN_SCLK,OUTPUT);
digitalWrite(PIN_RESET, LOW);
digitalWrite(PIN_RESET, HIGH);
LcdWrite(LCD_CMD, 0x21);//液晶扩展命令 LCD Extended Commands.
LcdWrite(LCD_CMD, 0xBf);//设置LCD VOP（对比度） Set LCD Vop (Contrast). //B1
LcdWrite(LCD_CMD, 0x04);//设置温度系数r = Set Temp coefficent. //0x04
LcdWrite(LCD_CMD, 0x14);// LCD偏置模式1:48 LCD bias mode 1:48. //0x13
LcdWrite(LCD_CMD, 0x0C);// 在正常模式下的LCD。统一修改为逆 LCD in normal mode. 0x0d for inverse
LcdWrite(LCD_C, 0x20);
LcdWrite(LCD_C, 0x0C);
}
void LcdString(char *characters)
{
while (*characters)
{
LcdCharacter(*characters++);
}
}
void LcdWrite(byte dc, byte data)
{
digitalWrite(PIN_DC, dc);
digitalWrite(PIN_SCE, LOW);
shiftOut(PIN_SDIN, PIN_SCLK, MSBFIRST, data);
digitalWrite(PIN_SCE, HIGH);
}
/**
* gotoXY程序定位光标 gotoXY routine to position cursor
* X - 范围：0～84 x - range: 0 to 84
* Y - 范围：0～5 y - range: 0 to 5
*/
void gotoXY(int x, int y)
{
LcdWrite( 0, 0x80 | x);// 列 Column.
LcdWrite( 0, 0x40 | y);// 行 Row.
}
void drawBox(void)
{
int j;
for(j = 0; j < 84; j++) // top
{
gotoXY(j, 0);
LcdWrite(1, 0x01);
}
for(j = 0; j < 84; j++) //Bottom
{
gotoXY(j, 5);
LcdWrite(1, 0x80);
}
for(j = 0; j < 6; j++) // Right
{
gotoXY(83, j);
LcdWrite(1, 0xff);
}
for(j = 0; j < 6; j++) // Left
{
gotoXY(0, j);
LcdWrite(1, 0xff);
}
}
void Scroll(String message)
{
for (int i = scrollPosition; i < scrollPosition + 11; i++)
{
if ((i >= message.length()) || (i < 0))
{
LcdCharacter(' ');
}
else
{
LcdCharacter(message.charAt(i));
}
}
scrollPosition++;
if ((scrollPosition >= message.length()) && (scrollPosition > 0))
{
scrollPosition = -10;
}
}
//********************************************************
/* 日期变量缓存 */
char buf;
char buf1;
char buf2;
char day;
/* 串口数据缓存 */
String comdata = "";
int numdata ={
0}
, j = 0, mark = 0;
/* 创建 DS1302 对象 */
DS1302 rtc(CE_PIN, IO_PIN, SCLK_PIN);
void print_time()
{
/* 从 DS1302 获取当前时间 */
Time t = rtc.time();
/* 将星期从数字转换为名称 */
memset(day, 0, sizeof(day));
switch (t.day)
{
case 1:
strcpy(day, "Sunday");
break;
case 2:
strcpy(day, "Monday");
break;
case 3:
strcpy(day, "Tuesday");
break;
case 4:
strcpy(day, "Wednesday");
break;
case 5:
strcpy(day, "Thursday");
break;
case 6:
strcpy(day, "Friday");
break;
case 7:
strcpy(day, "Saturday");
break;
}
/* 将日期代码格式化凑成buf等待输出 */
snprintf(buf2, sizeof(buf2), "%s", day);
snprintf(buf, sizeof(buf), "%04d-%02d-%02d", t.yr, t.mon, t.date);
snprintf(buf1, sizeof(buf1), "%02d:%02d:%02d", t.hr, t.min, t.sec);
/* 输出日期到串口 */
Serial.println(buf2);
Serial.println(buf);
Serial.println(buf1);
gotoXY(7,1);
Scroll(buf);
gotoXY(3,2);
Scroll(buf2);
gotoXY(4,4);
Scroll(buf1);
}
void setup()
{
Serial.begin(9600);
rtc.write_protect(false);
rtc.halt(false);
LcdInitialise();
LcdClear();
drawBox();
}
void loop()
{
/* 当串口有数据的时候，将数据拼接到变量comdata */
while (Serial.available() > 0)
{
comdata += char(Serial.read());
delay(2);
mark = 1;
}
/* 以逗号分隔分解comdata的字符串，分解结果变成转换成数字到numdata[]数组 */
if(mark == 1)
{
Serial.print("You inputed : ");
Serial.println(comdata);
for(int i = 0; i < comdata.length() ; i++)
{
if(comdata == ',' || comdata == 0x10 || comdata == 0x13)
{
j++;
}
else
{
numdata = numdata * 10 + (comdata - '0');
}
}
/* 将转换好的numdata凑成时间格式，写入DS1302 */
Time t(numdata, numdata, numdata, numdata, numdata, numdata, numdata);
rtc.time(t);
mark = 0;
j=0;
/* 清空 comdata 变量，以便等待下一次输入 */
comdata = String("");
/* 清空 numdata */
for(int i = 0; i < 7 ; i++) numdata=0;
}
/* 打印当前时间 */
print_time();
delay(1000);
}
挺好的东东 为啥屏幕上的字一直在动啊
看到了int scrollPosition = -10;
试着调整这里数值？ 哦，我试试，:) 弘毅 发表于 2013-9-22 23:02 static/image/common/back.gif
看到了int scrollPosition = -10;
试着调整这里数值？
改变这个数值会改变字符出现的位置，字还在从右往左走 可以把335行的“scrollPosition++;”改成“scrollPosition;”，字就不动了；再把“int scrollPosition = -10;
”的-10改大点，字就在屏幕中间了。
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