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main.c
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main.c
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#include "lcd1602.h"
#define uchar unsigned char
#define uint unsigned int
#define RX_LENGTH 30
#define BUFFER_LENGTH 30
/************* 本地变量声明 **************/
bit status = 0;//设置一个标志位，串口程序出现指定的字串，并动态过滤到指定的字符后置1
uchar data_string[RX_LENGTH] ; //接收用户纯文本
bit B_TX1_Busy; //发送忙标志
uchar ceng = 0;//设置匹配字符串的游标
uchar RSV_MODE = 0;
uchar RSV_PID = 1; //接收用户发送的信息
uchar RSV_OK = 2;
uchar RSV_ERROR = 3;
uchar userId = 0; //接到模块的用户id
uchar text_length = 0;//用户发过来的纯文本的长度
uchar text_num; //记录用户文本的字符个数；
uchar flags = 0; //字符标志位
uchar vvalue = 0;
//Led数码管数
sbit DIO = P2^0; //串行数据输入
sbit LRCLK = P2^1; //时钟脉冲信号——上升沿有效
sbit LSCLK = P2^2; //打入信号————上升沿有效
unsigned char code LED_0F[] =
{// 0 1 2 3 4 5 6 7 8 9 A b C d E F -
0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x8C,0xBF,0xC6,0xA1,0x86,0xFF,0xbf
};
const uchar * MODE_STRING = "AT+MODE=2\r\n";
const uchar * MUX_STRING = "AT+CIPMUX=1\r\n";
uchar const * SERVER_STRING = "AT+CIPSERVER=1,5000\r\n";
uchar string_length(char* sub_string); //返回字符串长度
const uchar *FB_PID = "+IPD,";
const uchar *FB_OK = "OK";
const uchar *FB_ERROR = "ERROR";
uchar scan_keyboard(void); // 扫描键盘
void delay_ms(int n); //毫秒级延时函数
void get_LED(uchar key); //获得LED对应的数组值
void LED_ON(uchar x); //点亮led数码管
void uart_init();
void send_string(const char* c_string); //发送字符串
void receive_string(); //接收字符串
void clear_buffer(uchar *s); //清除缓存数组
uchar match_string(const char * f_string, const char * s_string); //匹配收到的字符串
void clone_string(char* s, char* sc, uchar len); //赋值有效字符串
/********IO引脚定义***********************************************************/
//sbit POWER = P2^4; //写入数据前，高电压，然后低电压
//sbit LCD_RS=P2^5;//定义引脚
//sbit LCD_RW=P2^6;
//sbit LCD_E=P2^7;
//电机引脚定义
sbit motor1 = P2^3;
sbit motor2 = P2^4;
/********宏定义***********************************************************/
//#define LCD_Data P0
//#define Busy 0x80 //用于检测LCD状态字中的Busy标识
/********数据定义*************************************************************/
unsigned char code uctech[] = {"Happy every day"};
/*************************************************************/
void motor_forward();//电机正转
void motor_reverse();//电机逆转
void motor_stop();//电机停止
//电机正转
void motor_forward()
{
motor2 = 0;
motor1 = 1;
}
//电机逆转
void motor_reverse()
{
motor1 = 0;
motor2 = 1;
}
//电机停止
void motor_stop()
{
motor1 = 0;
motor2 = 0;
}
/*主函数*/
void main()
{
uchar key = 0X00; //此处要给初值
uchar x = 0x01;
uchar y = 0x05;
uchar k = 0;
//P1 = 0xf0; //行线输出全为0,列线输出全为1
uart_init();
//clear_buffer(data_string);
while(1){
if(flags == 1)
{
//串口数据LCD显示
x = 0x01;
Delay400Ms(); //启动等待，等LCD讲入工作状态
LCDInit(); //初始化
Delay5Ms(); //延时片刻(可不要)
DisplayListChar(0, 0, uctech);
y &= 0x01;
x &= 0xF;
send_string(&vvalue);
while(k < vvalue) {
if (x <= 0xF){ //X坐标应小于0xF
DisplayOneChar(x, y, data_string[k]); //显示单个字符
k++;
x++;
}
}
vvalue = 0;
flags = 0;
k = 0;
}
key = scan_keyboard();
get_LED(key);
}
}
/**
* 串口初始化
*/
void uart_init()
{
SCON = 0x50; /* SCON: 模式 1, 8-bit UART, 使能接收 */
TMOD |= 0x20; /* TMOD: timer 1, mode 2, 8-bit reload */
TH1 = 0xFD; /* TH1: reload value for 9600 baud @ 11.0592MHz */
TL1 = 0XFD;
EA = 1; /*打开总中断*/
ES = 1; /*打开串口中断*/
TR1 = 1; /* TR1: timer 1 run 启动波特率发生 */
}
/**
* 延时函数
*/
void delay_ms(int n)
{
int i = 0, j = 0;
for(i = 0; i < n; i++)
for(j = 0; j < 100; j++);
}
//开灯
void LED_ON(uchar lcode)
{
uint i;
for(i = 8;i >= 1; i--)
{
if (lcode & 0x80)
DIO = 1;
else
DIO = 0;
lcode <<= 1;
LSCLK = 0;
LSCLK = 1;
}
}
void LED_code(uchar value)
{
uchar code *led_table; // 查表指针
uchar lcode; //要得到的显示码
//显示第1位
/* led_table = LED_0F + value;
lcode = *led_table;
LED_ON(lcode);
LED_ON(0x0f);
LRCLK = 0;
LRCLK = 1;
//显示第2位
led_table = LED_0F + value;
lcode = *led_table;
LED_ON(lcode);
LED_ON(0x0f);
LRCLK = 0;
LRCLK = 1;
//显示第3位
led_table = LED_0F + value;
lcode = *led_table;
LED_ON(lcode);
LED_ON(0x0f);
LRCLK = 0;
LRCLK = 1; */
//显示第4位
led_table = LED_0F + value;
lcode = *led_table;
LED_ON(lcode);
LED_ON(0x0f);
LRCLK = 0;
LRCLK = 1;
}
void get_LED(uchar key)
{
if(key == 0x00)
return; //如果为0x00，说明没有扫描到值，返回
switch(key)
{
case 0xee:
LED_code(0);
send_string(MODE_STRING);
lcd_display(uctech, "MODE ok");
break;//0按下相应的键显示相对应的码值
case 0xde:
LED_code(1);
send_string(MUX_STRING);
lcd_display(uctech, "CIP ok");
//send_string(MUX_STRING);
break;//1 按下相应的键显示相对应的码值
case 0xbe:
LED_code(2);
send_string(SERVER_STRING);
lcd_display(uctech, "Server ok");
//send_string(SERVER_STRING);
break;//2
case 0x7e:
LED_code(3);
break;//3
case 0xed:
LED_code(4);
break;//4
case 0xdd:
LED_code(5);
break;//5
case 0xbd:
LED_code(6);
lcd_display(uctech, "runhang");
break;//6
case 0x7d:
LED_code(7);
break;//7
case 0xeb:
LED_code(8);
motor_forward();
break;//8
case 0xdb:
LED_code(9);
motor_reverse();
break;//9
case 0xbb:
LED_code(10);
motor_stop();
break;//a
case 0x7b:
LED_code(11);
break;//b
case 0xe7:
LED_code(12);
break;//c
case 0xd7:
LED_code(13);
break;//d
case 0xb7:
LED_code(14);
break;//e
case 0x77:
LED_code(15);
break;//f
}
}
// 扫描键盘
uchar scan_keyboard()
{
uchar row_wire, col_wire; //定义行线和列线，行线0-3，列线4-7
//uchar flags;
P1 = 0xf0; //行线输出全为0,列线输出全为1
col_wire = P1 & 0xf0; //读入列线值
//if(flag != '1')
// return 0x00;
if(col_wire != 0xf0)
{
delay_ms(1); //去抖延时
if(col_wire != 0xf0)
{
col_wire = P1 & 0xf0; //读入列线值
P1 = col_wire | 0x0f; //输出当前列线值
row_wire = P1 & 0x0f; //读入行线值
P1 = 0xf0;
while((P1&0xf0) != 0xf0);
return(col_wire + row_wire);//键盘最后组合码值
}
}
return 0x00;
}
/*
// 发送字符串
void send_string(char * c_string)
{
unsigned char i = 0;
ES = 0;
while(c_string[i] != '\0')
{
SBUF = c_string[i];
while(!TI); //等待发送数据完成
i++;
TI=0;
}
delay_ms(50); //延时一下再发
ES = 1;
} */
// 发送字符串
void send_string(const uchar * c_string)
{
ES = 0;
while(*c_string != '\0')
{
SBUF = *c_string;
while(!TI); //等待发送数据完成
TI = 0;
c_string++;
}
ES = 1;
}
//比较用户发送过来的字符，判断哪儿种模式
void fb_pid(uchar stmp)
{
if(ceng <= 4)
{
if(stmp == FB_PID[ceng])
{
ceng++;
}else
{
ceng = 0;
RSV_MODE = 0;
}
}else if(ceng == 5)
{
userId = stmp;
ceng++;
}/*else if(stmp == ',' && ceng == 6)
{
ceng++;
}*/else if(ceng == 7)
{
//text_length = stmp - 1;//#/r/n结尾的形式
text_length = stmp - 0x30;//减去0->对应ascii码为0x30
ceng++;
}else if(ceng == 6)
{
ceng++;
}else if(ceng == 8)//(stmp == ':' && ceng == 8)
{ // send_string(&stmp);
if(stmp == ':') //说明字符小于9
{
//send_string(&stmp);
ceng = 0;
status = 1;
}else
{
text_length = stmp - 0x26;// 减20；
ceng++;
}
//ceng = 0;
//status = 1;
//RSV_MODE = 0;
}else if(ceng == 9)
{
if(stmp == ':')
{
ceng = 0;
status = 1;
}else{ //可以作为扩展
ceng = 0;
RSV_MODE = 0;
}
}else{
send_string("errorpid");
ES = 0;
RI = 0;
SBUF = ceng;
while(!TI);
TI = 0;
ES = 1;
ceng = 0;
RSV_MODE = 0;
}
/*
if(stmp == '+' && ceng == 0)
{
buffer_string[ceng] = stmp;
ceng++;
}else if(stmp == 'I' && ceng == 1)
{
buffer_string[ceng] = stmp;
ceng++;
}else if(stmp == 'P' && ceng == 2)
{
buffer_string[ceng] = stmp;
ceng++;
}else if(stmp == 'D' && ceng == 3)
{
buffer_string[ceng] = stmp;
ceng++;
}else if(stmp == ',' && (ceng == 4 ||ceng == 6))
{
buffer_string[ceng] = stmp;
ceng++;
}else if(stmp <= 0x39 && stmp >= 0x30 && (ceng == 5 ||ceng == 7) ) */ /*ascii码*/
/*{
buffer_string[ceng] = stmp;
ceng++;
}else if(stmp == ':' && ceng == 8)
{
buffer_string[ceng] = stmp;
ceng++;
status = 1;
} else{
ceng = 0;
}*/
}
//匹配反馈的ERROR字符
void fb_error(uchar stmp)
{
if(ceng <= 4)
{
if(stmp == FB_ERROR[ceng])
{
//buffer_string[ceng] = stmp;
ceng++;
}else{
ceng = 0;
RSV_MODE = 0;
}
}
if(ceng > 4)
{
send_string(FB_ERROR);// 发送buffer_string 测试使用
ceng = 0;
RSV_MODE = 0;
}
/*
if(stmp == 'E' && ceng == 0)
{
buffer_string[ceng] = stmp;
ceng++;
}else if(stmp == 'R' && (ceng == 1 || ceng == 2 ||ceng == 4))
{
buffer_string[ceng] = stmp;
if(ceng == 4)
status = 1;
else
ceng++;
}else if(stmp == 'O' && ceng == 3)
{
ceng++;
}else{
ceng = 0;
} */
}
//比较模块OK的字符
void fb_oK(uchar stmp)
{
if(ceng <= 1)
{
if(stmp == FB_OK[ceng])
{
// buffer_string[ceng] = stmp;
ceng++;
}else{
ceng = 0;
RSV_MODE = 0;
}
}
if(ceng > 1){//数据接收完成
send_string(FB_OK);// 发送buffer_string 测试使用
ceng = 0;
RSV_MODE = 0;
}
/* if(stmp == 'O' && ceng == 0)
{
buffer_string[ceng] = stmp;
ceng++;
}else if(stmp == 'K' && ceng == 1)
{
buffer_string[ceng] = stmp;
status = 1;
}else{
ceng = 0;
} */
}
// 接收字符
void receive_char() interrupt 4
{ /*
uchar stmp = 0;
stmp = SBUF;
RI = 0;
//BUFFER_STRING[i] = stmp;
SBUF = stmp;
while(!TI); //等待发送数据完成
TI=0; //清除发送完成标志位
*/
if(status == 1)
{
RI = 0;
/* if(SBUF != '#')
{
data_string[vvalue] = SBUF;
vvalue++;
RI = 0;
}
if(SBUF == '#')
{
uchar i;
flags = 1; /*
for(i = 0; i <= vvalue; i++)
{
ES = 0;
SBUF = data_string[i];
while(!TI);
TI = 0;
ES = 1;
} */
//send_string(&vvalue);
//data_string[ceng] ='\0';
//vvalue = ceng;
//ceng = 0;
/* status = 0;
RSV_MODE = 0;
//电机控制
if(data_string[0] == 'M' && vvalue > 1)
{
if(data_string[1] == '1') //电机正转
{
LED_code(8);
motor_forward();//
}else if(data_string[1] == '2'){ //电机反转
motor_reverse();
LED_code(9);
}else{ //建议输入3 电机停止
motor_stop();
LED_code(10);
}
}else{
LED_code(11);
}
}
*/
//uchar i =0;
if(ceng < text_length)
{
data_string[ceng] = SBUF;
//ES = 0;
RI = 0;
//SBUF = data_string[ceng];
// while(!TI);
ceng++;
//TI = 0;
// ES = 1;
}
if(ceng >= text_length)
{
uchar i = 0;
flags = 1;/*
for(i = 0; i < text_length; i++)
{
ES = 0;
RI = 0;
SBUF = data_string[i];
while(!TI);
TI = 0;
ES = 1;
}*/
vvalue = text_length;
if(data_string[0] == 'M' && text_length > 1)
{
if(data_string[1] == '1') //电机正转
{
LED_code(8);
motor_forward();//
}else if(data_string[1] == '2'){ //电机反转
motor_reverse();
LED_code(9);
}else{ //建议输入3 电机停止
motor_stop();
LED_code(10);
}
}else{
LED_code(11);
}
// clear_buffer(data_string);
status = 0;
RSV_MODE = 0;
ceng = 0;
}
}else{
if(RSV_MODE == 0) //对第一个字符串设置模式
{
if(SBUF == 'O')
{
RSV_MODE = RSV_OK;
fb_oK(SBUF);
}else if(SBUF == '+')
{
RSV_MODE = RSV_PID;
fb_pid(SBUF);
}else if(SBUF == 'E')
{
RSV_MODE = RSV_ERROR;
fb_error(SBUF);
}
}else if(RSV_MODE == RSV_OK)
{
fb_oK(SBUF);
}else if(RSV_MODE == RSV_ERROR)
{
fb_error(SBUF);
}else if(RSV_MODE == RSV_PID)
{
fb_pid(SBUF);
}
}
RI = 0;
}
//uchar buf;
/*if(status)
{
if(ceng < buffer_string[7])
data_string[7] = SBUF;
else
send_string(data_string);
}else{
if(RSV_MODE == 0) //对第一个字符串设置模式
{
if(SBUF == 'O')
{
RSV_MODE = RSV_OK;
fb_oK(SBUF);
}else if(SBUF == '+')
{
RSV_MODE = RSV_PID;
fb_pid(SBUF);
}else if(SBUF == 'E')
{
RSV_MODE = RSV_ERROR;
fb_error(SBUF);
}
}else if(RSV_MODE == RSV_OK)
{
fb_oK(SBUF);
}else if(RSV_MODE == RSV_ERROR)
{
fb_error(SBUF);
}else if(RSV_MODE == RSV_PID)
{
fb_pid(SBUF);
}
}
RI = 0;
*/