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/*=========自行車碼表=========*/
#include "Arduino.h"
#include "U8glib.h"
#include <Wire.h>
#include <EEPROM.h>
#include <DS1307.h>
//#include <IRremote.h>
//#define LCD_CMD 0
#define zdpin 1 //中斷源可選值為0或1，分別對(duì)應(yīng)2號(hào)和3號(hào)引腳
#define timeOUT 3000 //檢測速度超時(shí)
#define EEPDELAY 5000 //EEPROM更新檢測
#define refresh 5 //刷新圈數(shù)
#define EEPROM_write(address, p) {int i = 0; byte *pp = (byte*)&(p);for(; i < sizeof(p); i++) EEPROM.write(address+i, pp[i]);}
#define EEPROM_read(address, p) {int i = 0; byte *pp = (byte*)&(p);for(; i < sizeof(p); i++) pp[i]=EEPROM.read(address+i);}
int adc_key_val[5] ={50, 200, 400, 600, 800 };
int NUM_KEYS = 5;
int adc_key_in;
int key = -1;
int oldkey = -1;
#define jsLCD 6000 //設(shè)置時(shí)顯示時(shí)間
boolean lcda = false; //boolean 數(shù)據(jù)類型 boolean 變量存儲(chǔ)為 8 位（1 個(gè)字節(jié)）的數(shù)值形式，但只能是 True 或是 False
boolean lcdb = false;
long TIMELCDa; //長整數(shù)型變量可以存儲(chǔ)32位（4字節(jié)）
long TIMELCDb;
int LCDSW=0;//整數(shù)數(shù)據(jù)類型占用2字節(jié)，范圍-32768到32767
int lcdSW=0;
int R; //cm
int V; //km/h
boolean Rsetup,Vsetup; //半徑數(shù)值
long CACHEDELAY;
int Reep; //xxeep判斷數(shù)值是否更改，set為設(shè)置值
int Veep;
float MILEeep; //浮點(diǎn)型數(shù)據(jù)，就是有小數(shù)點(diǎn)的數(shù)字，經(jīng)常被用來模擬連續(xù)值
struct config_type
{
int EEPROMMILE;
int EEPROMMILEs;
int EEPROMR;
int EEPROMV;
};
/*-------lcd------*/
U8GLIB_PCD8544 u8g(5, 6, 8, 7, 9); // SPI Com: CLK = 5, DIN = 6, CE = 8, DC = 7, Reset = 9
int BGKEY = 10;//背光燈按鍵引腳
int SUM = 0; //背光燈亮度值
int Flag_up = 1; //按鍵掃描
int beeppin = 12; //蜂鳴器引腳定義
int num;
float SPEED;
float MSPEED; //平均速度
float ALLMILE; //所有的里程
float ONEMILE,ONEMILEcache;
long RPM; //每分鐘的旋轉(zhuǎn)次數(shù)
/*------計(jì)時(shí)-----*/
long timea,timeb;
long time,timecache;
boolean timeSTA;
//*----time----*/
String comdata = ""; //串口數(shù)據(jù)緩存
int numdata[7] = {0}, j = 0, mark = 0;
int rtc[7];
int TIMEshi, TIMEfen, TIMEmiao; //時(shí)鐘
#define SHEtimeOUT 6000
int sheshi, shefen;
int shenum;
boolean shesta = false, shesw, sheDOWN = false, sheUP = false;
long SHEtime;
/*----MENU----*/
//#define MENUtimeOUT 5000
boolean MENUup = false, MENUdown = false;//MENUsta = false, MENUsw = false, MENUup10x = false, MENUdown10x = false;
//int MENUswNUM = 0;
//long MENUtime;
/*-------ir------*/
//int RECV_PIN = A0; //紅外輸入
//IRrecv irrecv(RECV_PIN);//定義IRrecv對(duì)象來接收紅外線信號(hào)
//decode_results results;//解碼結(jié)果放在decode_results構(gòu)造的對(duì)象results里
/*-----------------按鍵設(shè)置-----------------*/
//將adc(模數(shù)轉(zhuǎn)換器)值轉(zhuǎn)換為鍵號(hào)
int get_key(unsigned int input)
{
int k;
for (k = 0; k < NUM_KEYS; k++)
{
if (input < adc_key_val[k])
return k;
}
if (k >= NUM_KEYS)k = -1; // 未按有效鍵
return k;
}
/*利用芯片內(nèi)部1.1v基準(zhǔn)電壓反算出電源電壓（模擬輸入端口A7）*/
unsigned int ADCValue;
double Voltage;
double Vcc;
//讀取vcc電壓
long readVcc() {
long result;
// Read 1.1V reference against AVcc 讀取1.1V AVcc
ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
delay(2); // Wait for Vref to settle 等待Vref解決
ADCSRA |= _BV(ADSC); // Convert 轉(zhuǎn)換
while (bit_is_set(ADCSRA,ADSC));
result = ADCL;
result |= ADCH<<8;
result = 1125300L / result; // Back-calculate AVcc in mV 反算出AVcc 為mv
return result;
}
void setup ()
{
u8g.setContrast(140);//設(shè)置對(duì)比度0-255
pinMode(BGKEY, INPUT_PULLUP); //按鍵IO設(shè)定為帶上拉輸入
pinMode(11,OUTPUT); //該端口需要選擇有~號(hào)標(biāo)識(shí)的數(shù)字口（有~號(hào)表示是支持PWM的引腳）*/
pinMode(beeppin, OUTPUT);//蜂鳴器輸出
/*按著背光燈按鍵同時(shí)上電,開機(jī)后數(shù)據(jù)清零*/
if(digitalRead(BGKEY) == LOW)
{
for (int i = 0 ; i < EEPROM.length() ; i++) {
EEPROM.write(i, 0);
}
}
Serial.begin(9600);
/*EEPROM讀取賦值*/
config_type config_readback;
EEPROM_read(0, config_readback);
ALLMILE = float(config_readback.EEPROMMILE+(config_readback.EEPROMMILEs/10.0));
MILEeep = config_readback.EEPROMMILE;
R = config_readback.EEPROMR;
V = config_readback.EEPROMV;
Reep = config_readback.EEPROMR;
Veep = config_readback.EEPROMV;
attachInterrupt(zdpin,light,FALLING); //檢測中斷
/*中斷函數(shù)（attachInterrupt）：attachInterrupt（interrupt，function，mode）
interrupt：中斷源（在Arduino中，中斷源可選值為0或1，一般分別對(duì)應(yīng)2號(hào)和3號(hào)引腳）
function：需要中斷的函數(shù)名
mode：LOW（低電平觸發(fā)）、CHANGE（變化時(shí)觸發(fā)）、
RISING（低電平變?yōu)楦唠娖接|發(fā)）、FALLING（高電平變?yōu)榈碗娖接|發(fā)）
注意：在寫代碼時(shí)，interrupt處要寫成0或1，不能寫成2或3*/
CACHEDELAY=millis();
ONEMILEcache=ALLMILE;
RTC.SetOutput(DS1307_SQW32KHZ);
// irrecv.enableIRIn(); //啟動(dòng)紅外解碼開始采集
adc_key_in = analogRead(0); //從傳感器讀取值
key = get_key(adc_key_in); //轉(zhuǎn)換成按鍵
}
void loop()
{
Rsetup = false;
Vsetup = false;
MENUup = false;
MENUdown = false;
// MENUup10x = false;
//MENUdown10x = false;
//MENUsw = false;
shesw = false;
RTC.get(rtc, true);
TIMEshi = rtc[2];
TIMEfen = rtc[1];
TIMEmiao = rtc[0];
/*----------背光燈亮度調(diào)整----------*/
if ( ScanKey() == 1) //當(dāng)有按鍵按下時(shí)
{
SUM+=63; //SUM加一
tone(beeppin,4000);
delay(30);
noTone(beeppin);
}
if (SUM >252)
{
SUM = 0;
}
/*=================紅外控制=================*/
//if (irrecv.decode(&results))
// {
// voir();
//}
/*=================按鍵控制=================*/
adc_key_in = analogRead(0); //從傳感器讀取值
key = get_key(adc_key_in);
if (key != oldkey) //如果檢測到按鍵
{
delay(50); //去抖動(dòng)時(shí)間
tone(beeppin,4000);
delay(30);
noTone(beeppin);
voir();
}
/*=======碼表=======*/
if(num>refresh)
{
jisuan();
timea=millis();
num=1;
}
ONEMILE=ALLMILE-ONEMILEcache;
if(millis()-timeb>timeOUT)
{
RPM=0; //每分鐘圈數(shù)=0
SPEED=0;
timeSTA=false;
timecache=millis()-time;
}
else
{
timeSTA=true;
time=millis()-timecache;
}
if(ALLMILE>9999)
{
ALLMILE=0;
}
/*==========EEPROM==========*/
if (millis() - CACHEDELAY > EEPDELAY)
{
if(MILEeep != ALLMILE||Reep!=R||Veep!=V) //判斷EEPROM是否有改變
{
eeprom_write();
MILEeep = ALLMILE;
Reep = R;
Veep =V;
}
CACHEDELAY=millis();
}
/*==============半徑設(shè)置=================*/
if(Rsetup==true)
R++;
if(R>50)
R=1;
// if(R<10)
// R=60;
/* ==============限速警報(bào)設(shè)置================= */
if(Vsetup==true)
V += 5; //每按一次加 5 km/h
if(V>120) //大于120 km/h 返回 5km/h
V=5;
/*==================Time======================*/
if(shesta == true) //進(jìn)入設(shè)置狀態(tài)
{
voshe();
}
if(shesw == true) //切換
shenum++;
if(shenum > 2) //范圍
shenum = 1;
/* RTC.get(rtc, true);
TIMEshi = rtc[2];
TIMEfen = rtc[1];
TIMEmiao = rtc[0];*/
if (sheshi > 23)
{
sheshi = 1;
}
if (sheshi < 0)
{
sheshi = 23;
}
if (shefen > 59)
{
shefen = 0;
}
if (shefen < 0)
{
shefen = 59;
}
/*===========LCD===========*/
if(Rsetup == true ) //半徑設(shè)置觸發(fā)
{
TIMELCDa = millis();
lcda = true;
}
if(lcda == true)
{
voLCDadelay();
}
if( Vsetup == true) //限速報(bào)警設(shè)置觸發(fā)
{
TIMELCDb = millis();
lcdb = true;
}
if(lcdb == true)
{
voLCDbdelay();
}
u8g.firstPage();
do {
draw();
}
while( u8g.nextPage() );
if(SPEED > V) //
{
baojing();
}
else
{
digitalWrite(beeppin, LOW);
}
}
void jisuan()
{
ALLMILE+=((float(refresh)*(2.0*3.1416*(R/100.0))))/1000.0; //總里程累加
RPM=60000/((millis()-timea)/refresh); //轉(zhuǎn)速
SPEED=((RPM*(2.0*3.14159*(R/100.0)))*60.0)/1000.0; //速度
}
void light() //計(jì)數(shù)
{
num++;
timeb=millis();
}
void eeprom_write()
{
config_type config; // 定義結(jié)構(gòu)變量config，并定義config的內(nèi)容
config.EEPROMMILE = int(ALLMILE);
config.EEPROMMILEs = int(ALLMILE*10)%10;
config.EEPROMR = R;
config.EEPROMV = V;
EEPROM_write(0, config); // 變量config存儲(chǔ)到EEPROM，地址0寫入
}
void voadd(int add)
{
if (add < 10)
u8g.print("0");
}
void voLCDadelay() //顯示超時(shí)
{
if (millis() - TIMELCDa > jsLCD && lcda == true) //設(shè)置刷新頻率
{
lcda = false;
}
}
void voLCDbdelay()
{
if (millis() - TIMELCDb > jsLCD && lcdb == true) //設(shè)置刷新頻率
{
lcdb = false;
}
}
void voir()
{
switch(key)
{
case 0:
Rsetup = true;
LCDSW=1;
break;
case 1:
Vsetup = true;
lcdSW=1;
break;
case 2:
shesw = true;
voshe();
voshesta();
break;
case 3:
MENUdown = true;
break;
case 4:
MENUup = true;
break;
}
delay(100);
}
//將ADC值轉(zhuǎn)換為鍵號(hào)
/*
unsigned long remote = results.value; //設(shè)紅外信號(hào)為remote
if(remote == (-1)) //溢出時(shí)
{
Serial.print(results.value, HEX); //輸出紅外線解碼結(jié)果（十六進(jìn)制）
}
switch (remote)
{
case 0xFD6897: //CH+
Rsetup = true;
LCDSW=1;
break;
case 0xFDE817: //CH-
Rsetdown = true;
LCDSW=1;
break;
case 0xFDA857: //EQ
shesw = true;
voshe();
voshesta();
break;
case 0xFD9867: //-
MENUdown = true;
break;
case 0xFD18E7: //+
MENUup = true;
break;
case 0xFD12ED: //PREV
MENUdown10x = true;
break;
case 0xFD48B7: //NEXT
MENUup10x = true;
break;
}
irrecv.resume(); // 返回值
}
*/
void draw() {
Vcc = readVcc()/1000.0;//將讀取的vcc電壓mv轉(zhuǎn)換為v
ADCValue = analogRead(7);
Voltage = (ADCValue / 1023.0) * Vcc;
MSPEED=(ONEMILE/time)*1000*60*60;
u8g.setDefaultForegroundColor();
u8g.drawLine(0, 19, 83, 19);
u8g.drawLine(0, 27, 83, 27);
u8g.drawLine(27, 28, 27, 40);
u8g.drawLine(0, 41, 84, 41);
u8g.setFont(u8g_font_ncenB08r);
u8g.setPrintPos(45, 18);
u8g.print("Km/h");
/*--------電量顯示--------*/
if (Voltage >=3.9){
u8g.drawLine(80, 2, 81, 2);
u8g.drawFrame(78,3,6,15);//電池外形
u8g.drawBox(80,5,2,2);//電池電量段
u8g.drawBox(80,8,2,2);
u8g.drawBox(80,11,2,2);
u8g.drawBox(80,14,2,2);
}
if (Voltage <3.9 && Voltage >=3.7 ){
u8g.drawLine(80, 2, 81, 2);
u8g.drawFrame(78,3,6,15);//電池外形
u8g.drawBox(80,8,2,2);//電池電量段
u8g.drawBox(80,11,2,2);
u8g.drawBox(80,14,2,2);
}
if (Voltage <3.7 && Voltage>=3.5 ){
u8g.drawLine(80, 2, 81, 2);
u8g.drawFrame(78,3,6,15);//電池外形
u8g.drawBox(80,11,2,2);//電池電量段
u8g.drawBox(80,14,2,2);
}
if (Voltage <3.5 && Voltage >=3.2){
u8g.drawLine(80, 2, 81, 2);
u8g.drawFrame(78,3,6,15);//電池外形
u8g.drawBox(80,14,2,2);//電池電量段
}
if (Voltage <3.2 && Voltage >=3.0 ){
u8g.drawLine(80, 2, 81, 2);
u8g.drawFrame(78,3,6,15);//電池外形
}
if (Voltage < 3.0 ) { //當(dāng)VCC電壓小于3v時(shí)圖標(biāo)閃爍，電池電量不足警告
if(millis()/1000%2!=0){
u8g.drawLine(80, 2, 81, 2);
u8g.drawFrame(78,3,6,15);//電池外形
u8g.drawLine(79, 4, 82, 17);
}
else{
u8g.setPrintPos(80, 2); //只要是不影響其他顯示此位置可任選
u8g.print("");
}
}
/*背光燈4檔可調(diào)，當(dāng)電池電壓低于3.2v時(shí)背光燈熄滅，節(jié)約電能*/
if(Voltage >=3.2){
analogWrite(11,SUM);//使用PWM控制11號(hào)口輸出，變量n的取值范圍是0-255
}
else{
digitalWrite(11, LOW);
}
u8g.setPrintPos(47, 7);
if(shesta == true) //進(jìn)入設(shè)置狀態(tài)
{
u8g.setFont(u8g_font_6x12);
switch(shenum)
{
case 1:
{
if((millis() / 1000) % 2 != 0)
{
voadd(sheshi);
u8g.print(sheshi);
}
else
u8g.print(" ");
u8g.print(":");
voadd(shefen);
u8g.print(shefen);
}
;
break;
case 2:
{
voadd(sheshi);
u8g.print(sheshi);
u8g.print(":");
if((millis() / 1000) % 2 != 0)
{
voadd(shefen);
u8g.print(shefen);
}
else
{
u8g.print(" ");
}
}
;
break;
}
}
else //正常顯示時(shí)間
{
u8g.setFont(u8g_font_6x12);
voadd(TIMEshi);
u8g.print(TIMEshi); //hou
if(millis()/1000%2!=0)
u8g.print(":");
else
u8g.print(" ");
voadd(TIMEfen);
u8g.print(TIMEfen); //min
}
u8g.setPrintPos(1, 26);
{
u8g.setDefaultForegroundColor();
u8g.drawBox(0, 20, 84, 8);
u8g.setDefaultBackgroundColor();
u8g.setFont(u8g_font_chikitar);
u8g.print("MSPEED:");//平均時(shí)速
u8g.setPrintPos(40, 26);
voadd(MSPEED);
u8g.print(int (MSPEED*10)/10);
u8g.print(".");
u8g.print(int (MSPEED*10)%10);
}
u8g.setFont(u8g_font_04b_03b);
u8g.setPrintPos(62, 26);
u8g.print("km/h");
u8g.setDefaultForegroundColor();
u8g.setPrintPos(0, 39); //單次里程
u8g.setFont(u8g_font_6x13);
u8g.print("ONCE");
u8g.setPrintPos(32, 34);
{
u8g.setFont(u8g_font_chikitar);
voadd(ONEMILE);
u8g.print((int)ONEMILE);
u8g.print(".");
u8g.print(int(ONEMILE*10)%10);
u8g.print(int(ONEMILE*100)%10);
}
u8g.setPrintPos(32, 40); //單次時(shí)間
{
u8g.setFont(u8g_font_chikitar);
voadd(time/1000/60/60);
u8g.print(time/1000/60/60);
u8g.print(" hr ");
voadd(time/1000/60%60);
u8g.print(time/1000/60%60);
}
u8g.setFont(u8g_font_chikitar);
u8g.setPrintPos(70, 34);
u8g.print("km");
u8g.setPrintPos(70, 40);
u8g.print("min");
if (lcda == true) //半徑設(shè)置
{
if(LCDSW==1)
{
u8g.setDefaultForegroundColor();
u8g.drawBox(0, 42, 84, 6);
u8g.setDefaultBackgroundColor();
u8g.setFont(u8g_font_chikitar);
u8g.setPrintPos(1, 47);
u8g.print("Wheel radius: ");
voadd(R);
u8g.print(R);
u8g.setPrintPos(72, 47);
u8g.print("cm");
}
}
else
{
u8g.setDefaultForegroundColor();
u8g.setFont(u8g_font_chikitar);
u8g.setPrintPos(0, 48);
u8g.print("MILE: "); //總里程
u8g.setPrintPos(32, 48);
if(int(ALLMILE*10)/10<10)
{
u8g.print("000");
}
if(int(ALLMILE*10)/10>10 && int(ALLMILE*10)/10<100)
{
u8g.print("00");
}
if(int(ALLMILE*10)/10>100 && int(ALLMILE*10)/10<1000)
{
u8g.print("0");
}
u8g.print(int(ALLMILE));
u8g.print(".");
u8g.print(int(ALLMILE*10)%10);
u8g.setPrintPos(70, 48);
u8g.print("km");
}
if (lcdb == true) //報(bào)警設(shè)置
{
if(lcdSW==1)
{
u8g.setDefaultForegroundColor();
u8g.drawBox(0, 0, 44, 19);
u8g.setDefaultBackgroundColor();
u8g.setFont(u8g_font_5x8);
u8g.setPrintPos(5, 8);
u8g.print("SPEED/L");
u8g.setPrintPos(4, 18);
voadd(V);
u8g.print(V);
u8g.setPrintPos(21, 18);
u8g.print("km/h");
}
}
else
{
u8g.setDefaultForegroundColor();
u8g.setFont(u8g_font_timB18r);
u8g.setPrintPos(0, 18);
voadd(int(SPEED*10)/10);
if(SPEED >=100){
u8g.print(int(SPEED*10)/10); //SPEED
}
else{
u8g.print(int(SPEED*10)/10); //SPEED
u8g.print(".");
u8g.print(int(SPEED*10)%10);
}
}
}
void voshe()
{
if(shenum == 0) //初始賦值
{
sheshi = TIMEshi;
shefen = TIMEfen;
}
RTC.stop(); //準(zhǔn)備寫入時(shí)間
if(millis() - SHEtime > SHEtimeOUT) //超時(shí)
{
shesta = false; //退出設(shè)置
shenum = 0; //初始
RTC.set(DS1307_HR, sheshi);
RTC.set(DS1307_MIN, shefen);
RTC.set(DS1307_SEC, 0);
RTC.start();
}
if(MENUup == true || MENUdown == true )//|| MENUup10x == true || MENUdown10x == true //觸發(fā)時(shí)
{
voshesta();
}
switch(shenum) //按鍵作用
{
case 1:
{
if(MENUup == true)
{
sheshi++;
}
if(MENUdown == true)
{
sheshi--;
}
/* if(MENUup10x == true)
{
sheshi += 10;
}
if(MENUdown10x == true)
{
sheshi -= 10;
}*/
};
break;
case 2:
{
if(MENUup == true)
{
shefen++;
}
if(MENUdown == true)
{
shefen--;
}
/* if(MENUup10x == true)
{
shefen += 10;
}
if(MENUdown10x == true)
{
shefen -= 10;
}*/
};
break;
}
}
void voshesta() //觸發(fā)時(shí)間設(shè)置狀態(tài)
{
SHEtime = millis();
shesta = true;
}
int ScanKey() //按鍵掃描程序，返回鍵值
{
if (Flag_up && digitalRead(BGKEY) == LOW) //當(dāng)Flag_up = 1并且按鍵按下時(shí)
{
Flag_up = 0; //清空Flag_up
delay(20); //延時(shí)去抖動(dòng)
if (digitalRead(BGKEY) == LOW) //按鍵按下
{
return 1; //返回鍵值1
}
}
if (digitalRead(BGKEY) == HIGH) //按鍵松開時(shí)候
{
Flag_up = 1; //置位Flag_up
}
return 0; //返回鍵值0
}
void baojing()
{
tone(beeppin,4500);
delay(50);
noTone(beeppin);
tone(beeppin,4500);
delay(50);
noTone(beeppin);
}

復(fù)制代碼

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