📄 main__.c
字号:
};
}
else
{
switch(keyValue)
{
case 0b11100000:
keyReturn = key5;
break;
case 0b11010000:
keyReturn = key6;
break;
case 0b10110000:
keyReturn = key7;
break;
case 0b01110000:
keyReturn = key8;
break;
};
}
}
else
{
keyState = keyState0;
}
break;
case keyState2: //状态2中判断按键是否已经释放，如果已经释放则返回状态0
keyOutput1 = 0;
keyOutput2 = 0;
if ((keyInput & keyMask) == keyMask)
{
keyState = keyState0;
}
break;
};
return keyReturn;//返回读取的键值
}
#include "lcd.c"
#include "lcd.h"
#include <delay.h>
#include <string.h>
//函数void LcdWriteData(unsigned char data)用于向LCD写入一个数据
void LcdWriteData(unsigned char data)
{
AVRSetLcdDataPortWriteMode;
LCD1602SetWriteMode;
LCD1602SetDataMode;
LCD1602ClrEnable;
#asm("nop")
#asm("nop")
LCD1602WriteDataPort = data;
LCD1602SetEnable;
#asm("nop")
#asm("nop")
LCD1602ClrEnable;
#asm("nop")
#asm("nop")
}
//函数void LcdWriteInstruction(unsigned char data)用于向LCD写入一个指令
void LcdWriteInstruction(unsigned char data)
{
AVRSetLcdDataPortWriteMode;
LCD1602SetWriteMode;
LCD1602SetInstructionMode;
LCD1602ClrEnable;
#asm("nop")
#asm("nop")
LCD1602WriteDataPort = data;
LCD1602SetEnable;
#asm("nop")
#asm("nop")
LCD1602ClrEnable;
#asm("nop")
#asm("nop")
}
//函数unsigned char LcdReadInstruction(void)用于从液晶读取指令
unsigned char LcdReadInstruction(void)
{
unsigned char data;
AVRSetLcdDataPortReadMode;
LCD1602SetReadMode;
LCD1602SetInstructionMode;
LCD1602ClrEnable;
#asm("nop")
#asm("nop")
LCD1602SetEnable;
#asm("nop")
#asm("nop")
data = LCD1602ReadDataPort;
LCD1602ClrEnable;
#asm("nop")
#asm("nop")
return data;
}
//函数unsigned char LcdReadData(void)用于从液晶读取一个字节的数据
unsigned char LcdReadData(void)
{
unsigned char data;
AVRSetLcdDataPortReadMode;
LCD1602SetReadMode;
LCD1602SetDataMode;
LCD1602ClrEnable;
#asm("nop")
#asm("nop")
LCD1602SetEnable;
#asm("nop")
#asm("nop")
data = LCD1602ReadDataPort;
LCD1602ClrEnable;
#asm("nop")
#asm("nop")
return data;
}
//函数void LcdCheckBusy(void)用于跳过液晶的忙状态
void LcdCheckBusy(void)
{
while (0x80 == (LcdReadInstruction() & 0x80))
{
}
}
//函数void LcdClear(void)用于液晶清屏
void LcdClear(void)
{
LcdCheckBusy();
LcdWriteInstruction(0x01);
}
//函数void LcdInit(void)用于初始化液晶
void LcdInit(void)
{
AVRInitLcdControlPort;
delay_ms(15);
LcdWriteInstruction(0x38); //LCD内部要求，初始化的时候连续三次设置显示模式
delay_ms(5);
LcdWriteInstruction(0x38);
delay_ms(5);
LcdWriteInstruction(0x38);
LcdCheckBusy();
LcdWriteInstruction(0x38); //8位数据接口
LcdCheckBusy();
LcdWriteInstruction(0x08); //关显示
LcdCheckBusy();
LcdWriteInstruction(0x01); //清屏
LcdCheckBusy();
LcdWriteInstruction(0x06); //读或者写一个字符后地址指针加1
LcdCheckBusy();
LcdWriteInstruction(0x0C); //开显示，不显示光标
}
//函数void LcdSetXY(unsigned char x, unsigned char y)用于指定液晶数据写入的地址
void LcdSetXY(unsigned char x, unsigned char y)
{
unsigned char addr;
addr = 0x80 + x * 0x40 + y; //计算地址
LcdCheckBusy();
LcdWriteInstruction(addr);
}
//函数void LcdPutOneChar(unsigned char c)用于向液晶输入一个显示数据
void LcdPutOneChar(unsigned char c)
{
LcdCheckBusy();
LcdWriteData(c);
}
//函数void LcdPutFlashString(unsigned char flash *str)用于向液晶输入位于Flash中的一个字符串
void LcdPutFlashString(unsigned char flash *str)
{
unsigned char i;
i = 0;
while (str[i] != '\0')
{
LcdCheckBusy();
LcdWriteData(str[i]);
i++;
}
}
//函数void LcdPutRamString(unsigned char *str)用于向液晶输入位于Ram中的一个字符串
void LcdPutRamString(unsigned char *str)
{
unsigned char i;
i = 0;
while (str[i] != '\0')
{
LcdCheckBusy();
LcdWriteData(str[i]);
i++;
}
}
#include "music.c"
#include "music.h"
/************************************************************
播放音乐使能TIME1之前必须完成以下工作
初始化*pMusic指针，使其指向某一首音乐
初始化maxMusic，使其等于*pMusic指针指向的音乐的数据的个数
初始化音乐播放的次数playCycle
初始化OCR1A，使其对应于第一个音符
初始化第一个音符比较匹配的次数iCompaCycle
初时话iMusicCycle为1
************************************************************/
/************************************************************
Timer1比较匹配中断处理函数
************************************************************/
interrupt [TIM1_COMPA] void Timer1CompaIsr(void)
{
if (--iCompaCycle == 0) //比较匹配次数是否到了
{
if(iMusicCycle < maxMusic) // 判断最后一个音符是否已经被播放
{
OCR1A = dataOfOCR1A[pMusic[++iMusicCycle]]; //装入下一个音符的数据
iCompaCycle = counter[pMusic[iMusicCycle]];
iCompaCycle = iCompaCycle * pMusic[++iMusicCycle];
if(OCR1A == 2500) // IF语句判断OCR1A中是否是装入了空音符的数据，如果是的话就把PD5释放
{
TCCR1A = 0x00;
}
else if (TCCR1A == 0x00) //非空音符时，如果PD5引脚已经释放，则与OCR1连接
{
TCCR1A = 0x40;
}
}
else if(--playCycle != 0) //判断播放次数是否已经为0
{
OCR1A = dataOfOCR1A[pMusic[0]]; //重新装入第一个音符的数据
iCompaCycle = counter[pMusic[0]] * pMusic[1];
iMusicCycle = 1;
if(OCR1A == 2500) // IF语句判断OCR1A中是否是装入了空音符的数据，如果是的话就把PD5释放
{
TCCR1A = 0x00;
}
else if (TCCR1A == 0x00) //非空音符时，如果PD5引脚已经释放，则与OCR1连接
{
TCCR1A = 0x40;
}
}
else
{
TCCR1B = 0x08; //播放结束，关闭TIME1的时钟
}
}
}
/************************************************************
函数MusicInit用于初始化音乐播放
************************************************************/
void MusicInit(void)
{
DDRD.5 = 1; //设置PD5为输出引脚
PORTD.5 = 0; //
TCCR1A = 0x40; //比较匹配时触发PD5引脚
TCCR1B = 0x08; //CTC模式，先不启动定时器
TIMSK |= 0x10; //开放定时器1的比较匹配功能
}
/************************************************************
函数void PlayMusic(unsigned char musicChoose, unsigned char counterChoose)
中musicChoose为选择播放的音乐，counterChoose为播放次数
************************************************************/
void PlayMusic(unsigned char musicChoose, unsigned char counterChoose)
{
//switch语句把选择的音乐序号对应的音乐数据付给pMusic指针
switch (musicChoose)
{
case 1:
pMusic = music1;
maxMusic = maxMusic1;
break;
case 2:
pMusic = music2;
maxMusic = maxMusic2;
break;
case 3:
pMusic = music3;
maxMusic = maxMusic3;
break;
case 4:
pMusic = music4;
maxMusic = maxMusic4;
break;
case 5:
pMusic = music5;
maxMusic = maxMusic5;
break;
case 6:
pMusic = music6;
maxMusic = maxMusic6;
break;
case 7:
pMusic = music7;
maxMusic = maxMusic7;
break;
case 8:
pMusic = music8;
maxMusic = maxMusic8;
break;
case 9:
pMusic = music9;
maxMusic = maxMusic9;
break;
case 10:
pMusic = music10;
maxMusic = maxMusic10;
break;
};
playCycle = counterChoose; //音乐播放次数赋值
OCR1A = dataOfOCR1A[pMusic[0]]; //第一个音符赋值
iCompaCycle = counter[pMusic[0]] * pMusic[1];
iMusicCycle = 1;
if(OCR1A == 2500) // IF语句判断OCR1A中是否是装入了空音符的数据，如果是的话就把PD5释放
{
TCCR1A = 0x00;
}
else if (TCCR1A == 0x00) //非空音符时，如果PD5引脚已经释放，则与OCR1连接
{
TCCR1A = 0x40;
}
TCCR1B = 0x0A; //开启定时器工作
}
void PlayMusic1(unsigned char counter1)
{
pMusic = music1;
maxMusic = maxMusic1;
playCycle = counter1;
OCR1A = dataOfOCR1A[pMusic[0]];
iCompaCycle = counter[pMusic[0]] * pMusic[1];
iMusicCycle = 1;
TCCR1B = 0x0A;
}
void PlayMusic2(unsigned char counter2)
{
pMusic = music2;
maxMusic = maxMusic2;
playCycle = counter2;
OCR1A = dataOfOCR1A[pMusic[0]];
iCompaCycle = counter[pMusic[0]] * pMusic[1];
iMusicCycle = 1;
TCCR1B = 0x0A;
}
void PlayMusic3(unsigned char counter3)
{
pMusic = music3;
maxMusic = maxMusic3;
playCycle = counter3;
OCR1A = dataOfOCR1A[pMusic[0]];
iCompaCycle = counter[pMusic[0]] * pMusic[1];
iMusicCycle = 1;
TCCR1B = 0x0A;
}
void PlayMusic4(unsigned char counter4)
{
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