📄 line_call.c
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Key=KeySet[Key];
if(Key==KeyPre)
{
KeyPre=Key;
if(Key)KeyCount++;
Key=0;
}
else
{
KeyPre=Key;
KeyCount=0;
}
}
void Beep(UChar temp)
{
DDRC |=0x10;
PORTC |=0x10;
lcdwriteCommandData(1,0,0x09); //开蜂鸣器
delay(temp);
lcdwriteCommandData(1,0,0x08); //关蜂鸣器
PORTC &=0xEF;
}
//<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<keyboard
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>LCD
void InitLCD(void)
{
unsigned int j;
char i=0;
//延迟时间200毫秒
for(i=0;i<10;i++)
for(j=0;j<6000;j++);
//
//液晶复位
DDRD |= 0xf0; //PD4-PD7输出
PORTD |= 0xf0; //高电平
lcdwriteCommandData(1,0,0x29); //定义模块
lcdwriteCommandData(1,0,0x18); //内部震荡
lcdwriteCommandData(1,0,0x01); //开振荡器
lcdwriteCommandData(1,0,0x03); //开液晶显示
lcdwriteCommandData(1,0,0x40); //置液晶蜂鸣器4K赫兹
dsp_data(SelfAddr-9,0);
dsp_status(gStatus); // 'A' 显示当前呼叫器地址，等待登录
delay(100);
}
/*显示数据,其中data为显示的数据，dot为小数点个数 */
void dsp_data(long int x, UChar dot)
{
UChar i;
UChar bit_sgn=0;
unsigned long y;
UChar ymod10;
if (x<0)
{ x= -x; bit_sgn=1;}
y=x;
for (i=0; i<6; i++ )//有效位数不大于6,其余2位用于显示状态
{
ymod10=y%10;
if(i==dot)
lcdwriteCommandData(0,i*2,lcdtable[ymod10*2] | 0x01 ); //小数点
else
lcdwriteCommandData(0,i*2,lcdtable[ymod10*2]);
lcdwriteCommandData(0,i*2+1,lcdtable[ymod10*2+1]);
y=y/10;
if(y==0 && i>1)
{
break;
}
}
while(i<6)
{
i++;
if(bit_sgn)
{
lcdwriteCommandData(0,i*2,0x00);
lcdwriteCommandData(0,i*2+1,0x04);
break;
}
else
{
lcdwriteCommandData(0,i*2,0x00);
lcdwriteCommandData(0,i*2+1,0x00);
}
}// 清除前面的零
}
//显示数据,其中x为排队人数
void dsp_Wait_SerNum(unsigned int W, unsigned int S )
{
UChar i;
unsigned int y;
UChar ymod10;
//现处理排队人数
y=W;
for (i=0; i<2; i++ )//有效位数不大于2,其余2位用于显示状态
{
ymod10=y%10;
lcdwriteCommandData(0,i*2+10,lcdtable[ymod10*2]);//从右数第6个数码
lcdwriteCommandData(0,i*2+1+10,lcdtable[ymod10*2+1]);
y=y/10;
if(y==0 && i>1)
{ break;
}
}
while(i<2)
{
i++;
lcdwriteCommandData(0,i*2+10,0x00);
lcdwriteCommandData(0,i*2+1+10,0x00);
}// 清除前面的零
//现处理呼叫编号
y=S;
for (i=0; i<4; i++ )//有效位数不大于4
{
ymod10=y%10;
lcdwriteCommandData(0,i*2,lcdtable[ymod10*2]);//从右数第6个数码
lcdwriteCommandData(0,i*2+1,lcdtable[ymod10*2+1]);
y=y/10;
if(y==0 && i>1)
{ break;
}
}
while(i<4)
{
i++;
lcdwriteCommandData(0,i*2,0x00);
lcdwriteCommandData(0,i*2+1,0x00);
}// 清除前面的零
}
//显示状态
void dsp_status( UChar status)
{
lcdwriteCommandData(0,14,lcdtable[status*2] | 0x01 ); //小数点
lcdwriteCommandData(0,15,lcdtable[status*2+1]);
}
void lcdwriteCommandData(UChar CommData,UChar RamAdd,UChar lcddata)
{
UChar i,lcdbitdata;
DDRD |= 0xF0; //输出
delay_1us();
PORTD &=0xEF; //片选
delay_1us();
if(CommData) //命令
{
PORTD |= 0x80; delay_1us();
PORTD &= 0xBF;delay_1us();
PORTD |= 0x40;delay_1us(); //写命令100
PORTD &= 0x7F; delay_1us();
PORTD &= 0xBF;delay_1us();
PORTD |= 0x40;delay_1us();
PORTD &= 0x7F; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40;delay_1us();
for(i=0;i<8;i++) //C7 c6 ... c1, c0
{
if( lcddata & 0x80) {
PORTD |= 0x80; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40; delay_1us();
}
else {
PORTD &= 0x7F; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40;delay_1us();}
lcddata=lcddata<<1;
}
PORTD &= 0x7F; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40;delay_1us(); // 0
}
else //写数据
{
PORTD |= 0x80; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40; delay_1us(); //写数据101
PORTD &= 0x7F; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40;delay_1us();
PORTD |= 0x80; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40;delay_1us();
//ram 地址
PORTD &= 0x7F; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40; delay_1us();// 0
for(i=0;i<5;i++) //A4,。。。，A0
{
if( RamAdd & 0x10) {
PORTD |= 0x80; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40;delay_1us();
}
else { PORTD &= 0x7F; delay_1us();
PORTD &= 0xBF; delay_1us();
PORTD |= 0x40;delay_1us();}
RamAdd=RamAdd<<1;
}
//ram 数据
for(i=0;i<4;i++) //A4,。。。，A0
{
if( lcddata & 0x01) {
PORTD |= 0x80; delay_1us();
PORTD &= 0xBF;delay_1us();
PORTD |= 0x40;delay_1us();}
else {
PORTD &= 0x7F; delay_1us();
PORTD &= 0xBF;delay_1us();
PORTD |= 0x40;delay_1us();}
lcddata=lcddata>>1;
}
}
PORTD |= 0x80; //数据线拉高
delay_1us();
PORTD |=0x10; //片选高
delay_1us();
}
//<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<LCD
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>COMM
//通讯测试:
// 对于本程序原始地址和主机地址,按照协议,主机应该返回如下代码
// 用户编号 U: @@811A6666665@
// 密码： P: @@811B6666666@
// 正常数据:F: @@BcC0901237@
// F: @@BcC0901248@
//采用中断来处理，否则过于消耗资源
#pragma interrupt_handler Usart_Rx_isr:12
void Usart_Rx_isr(void) //串行通讯接收中断服务程序
{
static UChar pRe=0,Check=0;
int a,b;
RxBuf[pRe] = UDR;
// UDR=RxBuf[pRe]+1;
if(RxBuf[pRe] == '@') //消息帧开始
{
Check=0;
pRe=0;
RxBuf[pRe]='@';
}
if(pRe==11)
{
// dsp_data(((Check%10)+'0'),0);//debug
}
if(((Check%10)+'0') == RxBuf[pRe] && pRe>10)//消息帧结尾字节,校验和成功
{
if(RxBuf[1]!=(SelfAddr/10+'0') || RxBuf[2]!=(SelfAddr%10+'0')) //不是本机的消息
//if(RxBuf[1]!=SelfAddr || RxBuf[2]!=MasterAddr) //不是本机的消息
{
Check=0;
pRe=0;
return;
}
CommReceiveFlag=1;//接收到有效的数据
switch(RxBuf[4]) //消息类型
{
case 'A': //用户工号返回码
if(RxBuf[5]=='6' && RxBuf[6]=='6' ) //成功
{
gStatus=21;
}
break;
case 'B': //用户密码返回码
if(RxBuf[5]=='6' && RxBuf[6]=='6' ) //成功
{
gStatus=15;
}
break;
case 'C': //用户操作返回码
// NumKeyIn=(RxBuf[4]-'0')*100000+ (RxBuf[5]-'0')*10000
// +(RxBuf[6]-'0')*1000+ (RxBuf[7]-'0')*100
// +(RxBuf[8]-'0')*10+ (RxBuf[9]-'0');
// 由于编译器的问题，改写如下
NumKeyIn=(RxBuf[5]-'0');
NumKeyIn=NumKeyIn*10+(RxBuf[6]-'0');
NumKeyIn=NumKeyIn*10+(RxBuf[7]-'0');
NumKeyIn=NumKeyIn*10+(RxBuf[8]-'0');
NumKeyIn=NumKeyIn*10+(RxBuf[9]-'0');
NumKeyIn=NumKeyIn*10+(RxBuf[10]-'0');
break;
}
}
Check+=RxBuf[pRe];
pRe++;
if(pRe>=RXBUFLENGTH)pRe=0;
}
#pragma interrupt_handler Usart_Tx_isr:14
void Usart_Tx_isr(void) //串行通讯发送缓冲区空中断服务程序
{
static UChar pTx=0;
if(TxBuf[pTx]) //0表示无数据
{
UDR=TxBuf[pTx]; //发送一个字节
TxBuf[pTx]=0;//清空
pTx++;
}
else pTx=0;
}
//发送消息到主机
void send_message(UChar TargetAddr,UChar MsgType,UChar * MsgBuf)
{
UChar check=0;
TxBuf[0]='@'; check+=TxBuf[0];
TxBuf[1]=TargetAddr+'0'; check+=TxBuf[1];
TxBuf[2]=SelfAddr/10+'0'; check+=TxBuf[2];
TxBuf[3]=SelfAddr%10+'0'; check+=TxBuf[3];
TxBuf[4]=MsgType; check+=TxBuf[4];
TxBuf[5]=MsgBuf[0]; check+=TxBuf[5];
TxBuf[6]=MsgBuf[1]; check+=TxBuf[6];
TxBuf[7]=MsgBuf[2]; check+=TxBuf[7];
TxBuf[8]=MsgBuf[3]; check+=TxBuf[8];
TxBuf[9]=MsgBuf[4]; check+=TxBuf[9];
TxBuf[10]=MsgBuf[5]; check+=TxBuf[10];
TxBuf[11]=check%10+'0';
TxBuf[12]='@';
TxBuf[13]=0;
putchar(0x0a);//回车换行
putchar(0x0d);
// UDR='@'; //首先发送一个起始字节，并引发发送中断
}
/* 字符输出函数 */
void putchar(UChar c)
{
while (!(UCSRA&(1<<UDRE))); //等待发送结束
UDR=c; //发送一个字节
}
/* 字符输入函数 */
UChar getchar(void)
{
while(!(UCSRA& (1<<RXC)));
return UDR;
}
/* 字符串输出函数 */
int puts(char *s)
{
while (*s)
{
putchar(*s);
s++;
}
putchar(0x0a);//回车换行
putchar(0x0d);
return 1;
}
/* 不含回车换行的字符串输出函数 */
void putstr(char *s)
{
while (*s)
{
putchar(*s);
s++;
}
}
/* UART初始化 */
//UART0 initialisation
// desired baud rate: 9600
// actual: baud rate:9615 (0.2%)
// char size: 8 bit
// parity: Disabled
void uart0_init(void)
{
//9600
UCSRB = 0x00; //disable while setting baud rate
UCSRA = 0x00;
UCSRC = 0x86;
// UBRRL = 0x26; //set baud rate lo 9600
UBRRL = 0x13; //set baud rate lo 19200
UBRRH = 0x00; //set baud rate hi
UCSRB = 0xD8;
}
//<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<COMM⌨️ 快捷键说明
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