//--------------------------------------
//file  :say_th.ino
//fn    :說出溫濕度值
//author:Victor Chen
//web   :www.vic8051.com
//--------------------------------------
int led = 13; //設定LED腳位
int k1 =7; //設定按鍵腳位
int gnd=19; //設定地線控制腳位
int v5=18; //設定5v控制腳位
int ck=14;int sd=15; int rdy=16; int rst=17; //設定語音合成控制腳位

#include "SevenSegmentTM1637.h" 
int PIN_CLK = 4;   // define CLK pin (any digital pin) 
int PIN_DIO = 5;   // define DIO pin (any digital pin) 
int bz=8;
SevenSegmentTM1637    display(PIN_CLK, PIN_DIO); 
#include <dht11.h>                                  
                                                 
dht11 DHT11;                                        
int cio= 10;                                        
char mess[]="1234";
int te, hu;
//--------------------------------------
void setup()//初始化設定
{
  pinMode(v5, OUTPUT);   pinMode(gnd, OUTPUT); 
  digitalWrite(v5, HIGH);  digitalWrite(gnd, LOW);  delay(1000);
  
  pinMode(ck, OUTPUT); 
  pinMode(rdy, INPUT); 
  digitalWrite(rdy, HIGH);  
  pinMode(sd, OUTPUT);
  pinMode(rst, OUTPUT);  
  pinMode(led, OUTPUT); 
  pinMode(k1, INPUT);  
  digitalWrite(k1, HIGH);
  digitalWrite(rst, HIGH);  
  digitalWrite(ck, HIGH);  
  Serial.begin(9600);  
  
 pinMode(bz, OUTPUT);    
 digitalWrite(bz, LOW);  
 
 Serial.begin(9600);                                
 Serial.println("DTH11 test:"); 
 display.begin();             
 display.setBacklight(100);  
 display.print(mess);  
 delay(1000); display.clear();
 
 mess[0]='5'; mess[1]='6';mess[2]='7';mess[3]='8';
 display.print(mess);
 delay(1000); display.clear(); 
 be();  
}
//-----------------------------------
void led_bl()//LED 閃動                                
{                                       
int i;                                  
 for(i=0; i<2; i++)                     
  {                                     
   digitalWrite(led, HIGH); delay(150);
   digitalWrite(led, LOW); delay(150);
  }                                     
} 
//--------------------------------
void be()                               
{                                       
int i;                                  
 for(i=0; i<100; i++)                   
  {                                     
   digitalWrite(bz, HIGH); delay(1);    
   digitalWrite(bz, LOW);  delay(1);    
  }                                     
 delay(50);                             
} 
//-----------------------------------
void op(unsigned char c) //輸出語音合成控制碼                                 
                   
{                                                                       
unsigned char  i,tb;                                                   
 while(1)    //  if(RDY==0) break;                                        
  if(  digitalRead(rdy)==0) break;                                      
   digitalWrite(ck, 0);                                                       
           
    tb=0x80;                                                            
     for(i=0; i<8; i++)                                                 
      {                                                                 
// send data bit   bit 7 first o/p                                      
       if((c&tb)==tb) digitalWrite(sd, 1);                      
         else         digitalWrite(sd, 0);                      
       tb>>=1;                                                          
// clk low                                                              
       digitalWrite(ck, 0);                                    
       delay(10);                                                        
       digitalWrite(ck, 1);                                    
      }                                                                 
}                                                                       
/*-------------------------------------------------------------------*/ 
void say(unsigned char *c) //將字串內容輸出到語音合成模組                
{                            
unsigned char c1;            
  do{                        
   c1=*c;                    
   op(c1);                   
   c++;                      
  } while(*c!='\0');         
}                            
/*-----------------------*/  
void reset()//重置語音合成模組                      
{                             
 digitalWrite(rst,0);                       
 delay(50);                  
 digitalWrite(rst, 1);                       
}                             

// 中文big5 內碼，內容：語音合成
unsigned char m0[]={0xbb, 0x79, 0xad,0xb5, 0xa6, 0x58, 0xa6,0xa8,0};
//溫度
unsigned char mte[]={0xB7,0xC5,0xAB,0xD7,0};
//濕度
unsigned char mhu[]={0xC0,0xE3,0xAB,0xD7,0};

void say_dig(int d)               
{                                 
int c;                            
  c=d/10; if(c!=0) op(c+0x30);    
  c=d%10; op(c+0x30);             
}                                 

void say_data()
{
 say(mte);  say_dig(te); 
 led_bl(); delay(1500);
 say(mhu); say_dig(hu);
}
void loop()//主程式迴圈  
{
int c,d;    
 reset(); led_bl();
 say(mte);  say(mhu); //語音合成輸出
 while(1) //無窮迴圈
  { 
//     k1c=digitalRead(k1); //偵測按鍵有按鍵則語音合成輸出
     if(digitalRead(k1)==0) { say_data(); led_bl(); }
                                                    
  if (Serial.available() > 0) //偵測串口有信號傳入，則語音合成輸出
    {  c= Serial.read(); //有信號傳入                        
     if(c=='1') { say(mte);    led_bl();    }   
     if(c=='2') { say(mhu);    led_bl();    }     
    }
    
  c=DHT11.read(cio);                                
  if (c==0)                                         
   {                                                
    Serial.print("hum %:");                         
    Serial.print(DHT11.humidity);                   
    Serial.print("   temp oC: ");                   
    Serial.println(DHT11.temperature); 
    te=DHT11.temperature;
    if(te>=28)  be();  
    hu=DHT11.humidity;
     
    d=DHT11.temperature/10; mess[0]=d+0x30;
    d=DHT11.temperature%10; mess[1]=d+0x30;
    d=DHT11.humidity/10;    mess[2]=d+0x30;
    d=DHT11.humidity%10;    mess[3]=d+0x30;
    display.print(mess);
   }                                                
  else Serial.println("DTH11 i/o error");     
delay(500);     
  } 
}