来一个给力点的程序,是带测距模块的程序!- //端口定义
- int LCD_CE=2;
- int LCD_RST=3;
- int SCLK=4;
- int SDIN=5;
- int LCD_DC=6;
- int inputPin=8; // 定义超声波信号接收接口
- int outputPin=9; // 定义超声波信号发出接口
- /****************************************************************/
- void setup()
- {
- pinMode(inputPin, INPUT);
- pinMode(outputPin, OUTPUT);
- }
- //****************************定义ASCII字符**********************//
- /**********************************
- 6 x 8 font
- 1 pixel space at left and bottom
- index = ASCII - 32
- ***********************************/
- const unsigned char font6x8[][6] =
- {
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp
- { 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 }, // !
- { 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 }, // "
- { 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // #
- { 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $
- { 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 }, // %
- { 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 }, // &
- { 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 }, // '
- { 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 }, // (
- { 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 }, // )
- { 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 }, // *
- { 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 }, // +
- { 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 }, // ,
- { 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 }, // -
- { 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 }, // .
- { 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 }, // /
- { 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0
- { 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1
- { 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2
- { 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3
- { 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4
- { 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5
- { 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6
- { 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7
- { 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8
- { 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9
- { 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 }, // :
- { 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 }, // ;
- { 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 }, // <
- { 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 }, // =
- { 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 }, // >
- { 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 }, // ?
- { 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E }, // @
- { 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C }, // A
- { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 }, // B
- { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 }, // C
- { 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C }, // D
- { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 }, // E
- { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 }, // F
- { 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A }, // G
- { 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F }, // H
- { 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 }, // I
- { 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 }, // J
- { 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 }, // K
- { 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 }, // L
- { 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F }, // M
- { 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F }, // N
- { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E }, // O
- { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 }, // P
- { 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E }, // Q
- { 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 }, // R
- { 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 }, // S
- { 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 }, // T
- { 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F }, // U
- { 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F }, // V
- { 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F }, // W
- { 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 }, // X
- { 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 }, // Y
- { 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 }, // Z
- { 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 }, // [
- { 0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55 }, // 55
- { 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 }, // ]
- { 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 }, // ^
- { 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 }, // _
- { 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 }, // '
- { 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 }, // a
- { 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 }, // b
- { 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 }, // c
- { 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F }, // d
- { 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 }, // e
- { 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 }, // f
- { 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C }, // g
- { 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 }, // h
- { 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 }, // i
- { 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 }, // j
- { 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 }, // k
- { 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 }, // l
- { 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 }, // m
- { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 }, // n
- { 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 }, // o
- { 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 }, // p
- { 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC }, // q
- { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 }, // r
- { 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 }, // s
- { 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 }, // t
- { 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C }, // u
- { 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C }, // v
- { 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C }, // w
- { 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 }, // x
- { 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C }, // y
- { 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 }, // z
- { 0x14, 0x14, 0x14, 0x14, 0x14, 0x14 } // horiz lines
- };
- /************************LCD初始化函数********************************/
- void LCD_init(void)
- {
- //先设置为输出
- pinMode(SCLK,OUTPUT);
- pinMode(SDIN,OUTPUT);
- pinMode(LCD_DC,OUTPUT);
- pinMode(LCD_CE,OUTPUT);
- pinMode(LCD_RST,OUTPUT);
-
- // 产生一个让LCD复位的低电平脉冲
- digitalWrite( LCD_RST, LOW);
-
- delayMicroseconds(1);
- digitalWrite( LCD_RST, HIGH);
-
- // 关闭LCD
- digitalWrite( LCD_CE, LOW);
- delayMicroseconds(1);
- // 使能LCD
- digitalWrite( LCD_CE, HIGH); //LCD_CE = 1;
- delayMicroseconds(1);
- LCD_write_byte(0x21, 0); // 使用扩展命令设置LCD模式
- LCD_write_byte(0xc8, 0); // 设置偏置电压
- LCD_write_byte(0x06, 0); // 温度校正
- LCD_write_byte(0x13, 0); // 1:48
- LCD_write_byte(0x20, 0); // 使用基本命令
- LCD_clear(); // 清屏
- LCD_write_byte(0x0c, 0); // 设定显示模式,正常显示
-
- // 关闭LCD
- digitalWrite( LCD_CE, LOW); //LCD_CE = 0;
- }
- /************************LCD清屏函数*******************************/
- void LCD_clear(void)
- {
- unsigned int i;
- LCD_write_byte(0x0c, 0);
- LCD_write_byte(0x80, 0);
- for (i=0; i<504; i++)
- {
- LCD_write_byte(0, 1);
- }
- }
- /*************************设置字符位置函数**************************/
- void LCD_set_XY(unsigned char X, unsigned char Y)
- {
- LCD_write_byte(0x40 | Y, 0);// column
- LCD_write_byte(0x80 | X, 0);// row
- }
- /*************************ASCII字符显示函数*************************/
- void LCD_write_char(unsigned char c)
- {
- unsigned char line;
- c -= 32;
- for (line=0; line<6; line++)
- {
- LCD_write_byte(font6x8[c][line], 1);
- }
- }
- /*******************************************************************/
- /*-------------------------------------------------
- LCD_write_english_String : 英文字符串显示函数
- 输入参数:*s :英文字符串指针;
- X、Y : 显示字符串的位置,x 0-83 ,y 0-5
- --------------------------------------------------*/
- void LCD_write_english_string(unsigned char X,unsigned char Y,char *s)
- {
- LCD_set_XY(X,Y);
- while (*s)
- {
- LCD_write_char(*s);
- s++;
- }
- }
- /******************************************************************/
- /*---------------------------------------------
- LCD_write_byte : 写数据到LCD
- 输入参数:data :写入的数据;
- command :写数据/命令选择;
- ---------------------------------------------*/
- void LCD_write_byte(unsigned char dat, unsigned char command)
- {
- unsigned char i;
- digitalWrite( LCD_CE, LOW); // 使能LCD_CE = 0
- if (command == 0)
- {
- digitalWrite( LCD_DC, LOW);// 传送命令 LCD_DC = 0;
- }
- else
- {
- digitalWrite( LCD_DC, HIGH);// 传送数据LCD_DC = 1;
- }
- for(i=0;i<8;i++)
- {
- if(dat&0x80)
- {
- digitalWrite( SDIN, HIGH);//SDIN = 1;
- }
- else
- {
- digitalWrite( SDIN, LOW);//SDIN = 0;
- }
- digitalWrite( SCLK, LOW);//SCLK = 0;
- dat = dat << 1;
- digitalWrite( SCLK, HIGH);//SCLK = 1;
- }
- digitalWrite( LCD_CE, HIGH);//LCD_CE = 1;
-
- }
- /*************************以下为主函数*****************************/
- void loop()
- {
- LCD_init();//初始化液晶
- LCD_clear();
- LCD_write_english_string(0,0," --Arduino-- ");
- LCD_write_english_string(0,2,"Renge:");
-
- LCD_write_english_string(0,4,"DESIGN BY KENT");
- LCD_write_english_string(0,5," 2010.6 ");
-
- while(1)
- {
- digitalWrite(outputPin, LOW); // 使发出发出超声波信号接口低电平2μs
- delayMicroseconds(2);
- digitalWrite(outputPin, HIGH); // 使发出发出超声波信号接口高电平10μs,这里是至少10μs
- delayMicroseconds(10);
- digitalWrite(outputPin, LOW); // 保持发出超声波信号接口低电平
- int distance = pulseIn(inputPin, HIGH); // 读出脉冲时间
- distance= distance/58; // 将脉冲时间转化为距离(单位:厘米)
- if(distance>120)
- {
-
- LCD_write_english_string(35,2,"???");
- }
- else
- {
- LCD_write_english_string(60,2,"cm");
- LCD_set_XY(35, 2);
- LCD_write_char( 0x30+distance%1000/100); //显示百位数
- LCD_write_char( 0x30+distance%100/10); //显示十位数
- LCD_write_char( 0x30+distance%10); //显示个位数
-
-
- }
- delay(10);
- }
-
- }
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