📄 main.c
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#include "Includes.h"
unsigned char datTem[2]={0x00,0x00}; //温度值储存 datTem[1]高8位 datTem[0]低8位
unsigned char IIC_Adress=0; //AT24C04的内部地址
unsigned char key=0; //键盘扫描键值
unsigned char uart_receive_date=0; //串口接收数据
unsigned char code uart_transmit[]={"uart transmit"};
unsigned char code spi_transmit[]={"SPI transmit"};
void send_char_uart( unsigned char date); //串口发送
void com_init(); //串口初始化
/*********************LCD初始化后显示"hello"****************************************/
void hello(void)
{
unsigned char X[15]={"Hello all right"},a=0x80,i;
WriteCommandLCM(0x01,1);
for(i=0;i<15;i++,a++){
display_lcm(X[i],a);
Delay_Xms(5); Delay_Xms(5);
}
for(i=0;i<200;i++){
Delay_Xms(5); Delay_Xms(5);
}
WriteCommandLCM(0x01,1);
}
/***************显示温度************/
void temp_view(unsigned char *ddate)
{
unsigned int temp1=0,temp0=0,a,b,c,g,h,i,j,z;
if((ddate[0]==0xFF)&&(ddate[1]==0xFF)){ ddate[0]=0;ddate[1]=0;}
z=ddate[1]&0xF0;
if(z>0) //正负温度符号判断显示
display_lcm('-',0xc0);
else
display_lcm('+',0xc0);
if(z==0){ //正温度处理
temp1= ((ddate[1]&0x0F)<<4)+((ddate[0]&0xF0)>>4);
temp0=(ddate[0]&0x0F)*625;
}
else { //负温度处理
temp1= (((~ddate[1])&0x0F)<<4)+(((~ddate[0]+8)&0xF0)>>4);
temp0=((~ddate[0]+1)&0x0F)*625;
}
a=(temp1%1000)/100;
display_lcm(a+'0',0xc1);
b=(temp1%100)/10;
display_lcm(b+'0',0xc2);
c=(temp1%10)/1;
display_lcm(c+'0',0xc3);
display_lcm('.',0xc4); // 显示小数点
g=(temp0%10000)/1000;
display_lcm(g+'0',0xc5);
h=(temp0%1000)/100;
display_lcm(h+'0',0xc6);
i=(temp0%100)/10;
display_lcm(i+'0',0xc7);
j=(temp0%10)/1;
display_lcm(j+'0',0xc8);
key=keyscan();
}
/****************保存温度'A'***********/
void save_temp(void)
{
unsigned char save_string[]={"save temp"};
unsigned char judge,i=5;
diaplay_string(save_string,9);
if(IIC_Adress>=255) IIC_Adress=0;
retry: judge=IICWrite(IIC_Adress,datTem,2);
if(judge==0&&i>0) {i--; goto retry;}
IIC_Adress+=2;
key=0;
key=keyscan();
WriteCommandLCM(0x01,1);
}
/*********************查看记录串口发送********/
void view_uart(void)
{
unsigned char baiwei=0,gewei=0,shiwei=0;
unsigned int shifen=0,baifen=0,qianfen=0,wanfen=0;
baiwei=((((datTem[1]&0x0F)<<4)+((datTem[0]&0xF0)>>4))%1000/100)+48;
shiwei=((((datTem[1]&0x0F)<<4)+((datTem[0]&0xF0)>>4))%100/10)+48;
gewei=((((datTem[1]&0x0F)<<4)+((datTem[0]&0xF0)>>4))%10/1)+48;
shifen=(((datTem[0]&0x0F)*625)%10000/1000)+48;
baifen=(((datTem[0]&0x0F)*625)%1000/100)+48;
qianfen=(((datTem[0]&0x0F)*625)%100/10)+48;
wanfen=(((datTem[0]&0x0F)*625)%10/1)+48;
key=keyscan();
diaplay_string(uart_transmit,13);
send_char_uart(baiwei);
send_char_uart(shiwei);
send_char_uart(gewei);
send_char_uart('.');
send_char_uart(shifen);
send_char_uart(baifen);
send_char_uart(qianfen);
send_char_uart(wanfen);
send_char_uart(' ');
WriteCommandLCM(0x01,1);
}
/**************查看记录'B'***************/
void over_record(void)
{
unsigned char view_string[]={"view records"};
unsigned int record_adress=0;
unsigned char j,judge1;
do{ diaplay_string(view_string,12);
if(uart_receive_date!=0) display_lcm(uart_receive_date,0x8f);
key=0;
key=keyscan();
retry1: judge1=IICRead(datTem,record_adress,2);
key=keyscan();
if(judge1==0&&j>0) {j--; goto retry1;}
key=keyscan();
temp_view(datTem);
key=keyscan();
if(key=='C'){ key=0;
if(record_adress>=256) record_adress=0;
record_adress+=2; }
if(uart_receive_date=='C'){ uart_receive_date=0;
if(record_adress>=256) record_adress=0;
record_adress+=2; }
key=keyscan();
if(key=='D'){ key=0;
if(record_adress<=0) record_adress=256;
record_adress-=2;
}
if(uart_receive_date=='D'){ uart_receive_date=0;
if(record_adress<=0) record_adress=256;
record_adress-=2;
}
if(key=='G') { key=0;view_uart();}
if(uart_receive_date=='G'){ uart_receive_date=0;view_uart();}
key=keyscan();
if(key=='E'){ WriteCommandLCM(0x01,1); break;}
if(uart_receive_date=='E') {WriteCommandLCM(0x01,1);break; }
}while(key!='E');
}
/****************自动保存温度'F'***********/
void auto_save_temp(void)
{
unsigned int i;
unsigned char auto_save_string[]={"auto save temp"};
do{
diaplay_string(auto_save_string,14);
if(uart_receive_date!=0) display_lcm(uart_receive_date,0x8f);
key=0;
for(i=0;i<1000;i++){
Delay_Xms(5);
}
save_temp();
temp_view(datTem);
key=keyscan();
if(key=='E'){WriteCommandLCM(0x01,1);break; }
if(uart_receive_date=='E') {WriteCommandLCM(0x01,1);break; }
}while(key!='E');
}
/***************主函数***********************************/
void main()
{
unsigned char baiwei=0,gewei=0,shiwei=0,gao=0,di=0;
unsigned int shifen=0,baifen=0,qianfen=0,wanfen=0;
LCMInit();
IICInit();
com_init();
hello();
do{
Read_onetemp(datTem);
temp_view(datTem);
if(uart_receive_date!=0) display_lcm(uart_receive_date,0x8f);
baiwei=((((datTem[1]&0x0F)<<4)+((datTem[0]&0xF0)>>4))%1000/100)+48; //显示位处理，一边后续显示
shiwei=((((datTem[1]&0x0F)<<4)+((datTem[0]&0xF0)>>4))%100/10)+48;
gewei=((((datTem[1]&0x0F)<<4)+((datTem[0]&0xF0)>>4))%10/1)+48;
shifen=(((datTem[0]&0x0F)*625)%10000/1000)+48;
baifen=(((datTem[0]&0x0F)*625)%1000/100)+48;
qianfen=(((datTem[0]&0x0F)*625)%100/10)+48;
wanfen=(((datTem[0]&0x0F)*625)%10/1)+48;
key=keyscan();
switch(key-'A') //键盘控制
{
case 0: { save_temp(); } break; //A 存储温度
case 1: { over_record();} break; //B 查看记录
case 2: {} break; //C 上一个
case 3: {} break; //D 下一个
case 4: {} break; //E 返回
case 5: {auto_save_temp();} break; //F 5秒自动存储温度
case 6: { //G 串口数据发送
diaplay_string(uart_transmit,13);
send_char_uart(baiwei);
send_char_uart(shiwei);
send_char_uart(gewei);
send_char_uart('.');
send_char_uart(shifen);
send_char_uart(baifen);
send_char_uart(qianfen);
send_char_uart(wanfen);
send_char_uart(' ');
WriteCommandLCM(0x01,1);
} break;
case 7: { diaplay_string(spi_transmit,12); //H SPI通信
gao=datTem[1];
di=datTem[0];
MOSI=0;
SPI_Transmit(gao);
SPI_Transmit(di);
MOSI=1;
WriteCommandLCM(0x01,1);} break;
default : {} break;
}
switch(uart_receive_date-'A') //UART控制
{
case 0: { save_temp(); } break; //A 存储温度
case 1: { over_record();} break; //B 查看记录
case 2: {} break; //C 上一个
case 3: {} break; //D 下一个
case 4: {} break; //E 返回
case 5: {auto_save_temp();} break; //F 5秒自动存储温度
case 6: { //G 串口数据发送
diaplay_string(uart_transmit,13);
send_char_uart(baiwei);
send_char_uart(shiwei);
send_char_uart(gewei);
send_char_uart('.');
send_char_uart(shifen);
send_char_uart(baifen);
send_char_uart(qianfen);
send_char_uart(wanfen);
send_char_uart(' ');
WriteCommandLCM(0x01,1);
} break;
case 7: { diaplay_string(spi_transmit,12); //H SPI通信
gao=datTem[1];
di=datTem[0];
MOSI=0;
SPI_Transmit(gao);
SPI_Transmit(di);
MOSI=1;
WriteCommandLCM(0x01,1);} break;
default : {} break;
}
if(uart_receive_date!=0) display_lcm(uart_receive_date,0x8f);
uart_receive_date=0;
}while(1);
}
/************************************************
UART 串口通信程序
*************************************************/
/*************串口初始化*********************/
void com_init()
{
TMOD=0x20; //定时器1方式2
TH1=0xfd; //波特率9600
TL1=0xfd;
SCON=0x50; //串口工作方式1,允许接收
PCON= 0x00; // 波特率不倍增
TR1=1; //启动定时
IE=0x90; //开串口中断 等效于 EA=1；ES=1；EX0=1
}
/*************向串口发送一个字符*********************/
void send_char_uart( unsigned char date)
{
EA=0;
SBUF=date;
while(TI==0);
TI= 0 ;
EA=1;
}
/************串口中断函数*********************/
void Uart_receive(void) interrupt 4 //串口中断接收
{
EA=0;
if(RI)
{
uart_receive_date=SBUF;
RI=0;
}
else TI=0; //发送中断。则无操作
EA=1;
}
/************INT0中断函数********************
void SPI_INT0(void) interrupt 0
{
EA=0;
uart_receive_date=SPI_Receive();
EA=1;
}*/
/************************************************
THE END OF FILE
*************************************************/
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