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/*
*版權信息： sadate
*文件名：搖搖棒
*當前版本： 1.0
*單片機型號： STC15W104
*開發環境： Keil uVision4
*晶震頻率： 11.0592M
*完成日期： 2016-09-08
功能：驅動兩路共陰8 LED組（8 * 2 = 16LED）做搖搖棒的點陣列顯示，可由按鍵控制相關功能
*/
#include
#include
#define NOP _nop_();_nop_();_nop_();_nop_();_nop_();_nop_()
#define uchar unsigned char
#define uint unsigned int
#define ulint unsigned long int
sbit direct = P3^2; //定義水銀方向開關
sbit dio = P3^3; //定義數據輸入/輸出通訊口
sbit clk = P3^4; //定義時鐘通訊口
sbit stb = P3^5; //定義片選通訊口
uchar ledlight = 0x00; //全局LED亮度定義，初始化為最低亮度
bdata uchar showmode = 0x08; //全局顯示模式定義，默認開機以最低亮度顯示
uchar showflag = 1; //全局圖像是否顯示的標識，初始化為顯示
uchar word_index = 0;
uchar cyc_count = 0;
bdata uchar keybuf[5] = { 0 }; //鍵盤緩沖區
sbit Key1 = keybuf[2]^0; //Key1 減弱LED亮度
sbit Key2 = keybuf[2]^3; //Key2 增強LED亮度
sbit Key3 = keybuf[3]^0; //Key3 選擇前一幅文本
sbit Key4 = keybuf[3]^3; //Key4 選擇后一幅文本
sbit Key5 = keybuf[4]^0; //Key5 圖像顯示乒乓開關
sbit Key6 = keybuf[4]^3; //Key6
uchar contentid = 0; //顯示內容索引ID
ulint TimeCount =0;
uint DelayN =0; //延時臨時計數
uint DelayTime =0; //每次延時的周期個數
uchar code TEXT1[]={ // (16 X 16 , 新宋體 )
0x00,0x00,0x00,0x00,0x0F,0xF0,0x08,0x20,0x08,0x20,0x08,0x20,0x08,0x20,0xFF,0xFF,
0x08,0x20,0x08,0x20,0x08,0x20,0x08,0x20,0x0F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,/*"中",0*/
0x04,0x20,0x08,0x20,0x10,0x20,0x3F,0xA0,0xC0,0x20,0x04,0x20,0x04,0x20,0x08,0xFF,
0xFE,0x20,0x11,0x20,0x11,0x20,0x21,0x20,0x41,0x20,0x07,0x20,0x00,0x20,0x00,0x00,/*"華",1*/
0x00,0x01,0x00,0x02,0x00,0x04,0x00,0x08,0x00,0x30,0x00,0xC0,0x03,0x00,0xFC,0x00,
0x03,0x00,0x00,0xC0,0x00,0x30,0x00,0x08,0x00,0x04,0x00,0x02,0x00,0x01,0x00,0x00,/*"人",2*/
0x00,0x00,0x00,0x00,0x7F,0xFF,0x44,0x82,0x44,0x84,0x44,0x88,0x44,0x80,0x44,0x80,
0x47,0xC0,0x44,0xB0,0x44,0x88,0x44,0x84,0x7C,0x82,0x00,0x8F,0x00,0x00,0x00,0x00,/*"民",3*/
0x00,0x00,0x00,0x20,0x08,0x21,0x08,0x22,0x08,0x24,0xFF,0xE8,0x08,0x20,0x08,0x20,
0x08,0x20,0x08,0x20,0xFF,0xE8,0x08,0x24,0x08,0x22,0x08,0x21,0x00,0x20,0x00,0x00,/*"共",4*/
0x04,0x08,0x24,0x10,0x24,0x60,0x25,0x80,0x7F,0xFF,0xC4,0x80,0x44,0x60,0x04,0x00,
0x00,0x00,0x1F,0xFC,0x10,0x08,0x10,0x08,0x10,0x08,0x1F,0xFC,0x00,0x00,0x00,0x00,/*"和",5*/
0x00,0x00,0x7F,0xFF,0x40,0x02,0x48,0x12,0x49,0x12,0x49,0x12,0x49,0x12,0x4F,0xF2,
0x49,0x12,0x49,0x52,0x49,0x32,0x48,0x12,0x40,0x02,0x7F,0xFF,0x00,0x00,0x00,0x00,/*"國",6*/
};
uchar code TEXT2[]={ // (16 X 16 , 新宋體 )
0x20,0x00,0x27,0xFF,0x24,0x00,0x24,0x10,0x26,0x90,0x25,0x90,0x24,0x90,0xFC,0xFE,
0x24,0x90,0x25,0x90,0x26,0x90,0x24,0x12,0x24,0x01,0x27,0xFE,0x20,0x00,0x00,0x00,/*"南",0*/
0x20,0x00,0x20,0x02,0x20,0x04,0x27,0xD8,0x24,0x40,0x24,0x42,0xA4,0x41,0x64,0x7E,
0x24,0x40,0x24,0x40,0x24,0x40,0x27,0xD0,0x20,0x08,0x20,0x06,0x20,0x00,0x00,0x00,/*"京",1*/
};
/*********************************
延時函數
功能： 1ms延時
**********************************/
void delay_ms(uchar cyc)
{
uchar i, j, k;
for (k = 1; k <= cyc; k++)
{
_nop_();
_nop_();
_nop_();
i = 11;
j = 190;
do
{
while (--j);
} while (--i);
}
}
/*********************************
功能： TM1617寫數據
**********************************/
void send_8bit(uchar dat) //發送8位數據,從低位開始
{
uchar i;
for (i = 0; i < 8; i++)
{
clk = 0;
if (dat & 0x01)
{
dio = 1;
}
else
{
dio = 0;
}
_nop_();
_nop_();
_nop_();
clk = 1;
dat >>= 1;
}
clk = 0;
dio = 0;
}
/******************發送控制命令***********************/
void send_command(uchar com) //發送命令字節
{
stb = 1; //stb置高
NOP;
stb = 0; //stb置低
send_8bit(com); //發送8bit數據
}
/*********************************
TM1617控制指令
功能：驅動LED顯示一列16個點)
**********************************/
void dispcol(uchar highcol, uchar lowcol)
{
send_command(0x00); //顯示模式設置，設置為8段2位的顯示模式(8 x 2 = 16LED)
send_command(0x40); //寫數據到顯示寄存器，采用地址自動加一
send_command(0xc0); //顯示寄存器的00H單元開始
//給顯示寄存器送數據(一列16bit，拆分為4個字節發送)
send_8bit((lowcol & 0xf0)); //地址0xC0
send_8bit((lowcol & 0x0f)); //地址0xC1
send_8bit((highcol & 0xf0)); //地址0xC2
send_8bit((highcol & 0x0f)); //地址0xC3
send_command((0x80 | showmode)); //顯示控制參數，開關顯示用位4，亮度可以通過改變位3~0
stb = 1;
}
void showtext(uchar code *text, uchar len)//顯示text中的所有字符
{
uchar i;
uint offset;
offset = word_index * 32;
if (offset >= len)
{
word_index = 0;
offset = 0;
}
DelayN = DelayTime / (100 * 40);
for (i = offset; i < offset + 32; i += 2)
{
dispcol(text[ i], text[i + 1]);
delay_ms(DelayN); //列顯示之間的延時，可控制字符顯示寬度
}
if (cyc_count < 3)
{
cyc_count++;
}
else
{
cyc_count = 0;
word_index++;
}
}
void display(unsigned char index) //根據ID選擇要顯示的文本內容
{
switch (index)
{
case 0:
{
showtext(TEXT1, sizeof(TEXT1));
}
break;
case 1:
{
showtext(TEXT2, sizeof(TEXT2));
}
break;
//default:
//{
// display_word(TEXT1);
//}
}
}
/*********************************
功能：讀取TM1617按鍵數據到鍵盤緩沖區
**********************************/
void readkey()
{
uchar i, j;
send_command(0x42); //送讀按鍵命令（42H）
dio = 1;
for (i = 0; i < 5; i++)
{ //讀TM1617的5BYTE按鍵數據到鍵盤緩沖區
for (j = 0; j < 8; j++)
{
clk = 0;
keybuf[ i] = keybuf[ i] >> 1;
clk = 1;
if (dio == 1)
{
keybuf[ i] = keybuf[ i] | 0x80;
}
NOP;
}
NOP;
NOP;
}
clk = 0;
dio = 0;
stb = 1;
}
void exint0() interrupt 0 //INT0中斷入口
{
EX0 = 0;
if (direct == 1) //INT0口的狀態, INT0=0(下降沿); INT0=1(上升沿)
{
if (showflag == 1)
{
delay_ms(15);
if (direct == 1)
{
delay_ms(20);
DelayTime=TimeCount;
TimeCount=0; //延時周期計數清零
display(contentid); //根據contentid給顯示寄存器送相應的顯示數據
}
}
}
else
{
dispcol(0x00, 0x00); //反向揮動時消影，立即關閉顯示
}
EX0 = 1;
}
void timer0() interrupt 1 //定時器0中斷子程序
{
TimeCount++;
}
/*********************************
主函數
**********************************/
void main()
{
dispcol(0x00, 0x00); //初始化顯示寄存器
direct = 1;
IT0 = 0; //設置INT0的中斷類型 (1:僅下降沿 0:上升沿和下降沿)
EX0 = 1; //使能INT0中斷
IP = 0x02; //設置中斷優先級
AUXR |= 0x80; //定時器時鐘1T模式
TMOD = 0x02; //定時器0方式2，8位重裝載
TH0 = 0x80; //設定定時器初值
TL0 = 0x80;
EA = 1; //開放中斷
ET0 = 1; //開放定時器1中斷
TF0 = 0;
TR0 = 1; //啟動定時器0，開始計時*/
while(1) //循環
{
readkey(); //讀鍵盤
if ((Key1 == 1) && (ledlight < 7))
{
ledlight++; //按Key1表示升高LED亮度
showmode = (showmode & 0xf8) | ledlight;
}
if ((Key2 == 1) && (ledlight > 0))
{
ledlight--; //按Key2表示降低LED亮度
showmode = (showmode & 0xf8) | ledlight;
}
if (Key3 == 1) //按Key3表示顯示前一幅文本
{
if (contentid > 0)
{
contentid--;
}
else
{
contentid = 1;
}
}
if (Key4 == 1) //按Key4表示顯示后一幅文本
{
if (contentid < 1)
{
contentid++;
}
else
{
contentid = 0;
}
}
if (Key5 == 1) //Key5是控制文本是否顯示的乒乓開關
{
if (showflag == 1)
{
showflag = 0;
showmode = ledlight & 0x07; //立即關閉顯示
dispcol(0x00, 0x00);
}
else
{
showflag = 1;
showmode = ledlight | 0x08; //打開顯示
}
}
}
}

復制代碼

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