警猫眼Arduino源码分享，把闲置手机变成安防监控摄像头！

现如今智能手机更新换代太频繁，换下来的旧手机卖二手不值钱，丢弃又觉得可惜，而且产生电子垃圾污染环境。怎么办？？？在这里要推荐一个变废为宝的好办法，就是通过安装一个免费的“警猫眼”的App，把闲置旧手机变成专业网络摄像头，即经济又环保！！！

使用方法：
第一步，在闲置的安卓手机上运行“警猫眼”摄像端程序，布防，如果能联网会自动分配一个摄像端ID并显示在标题栏。
第二步，在另一台手机或电脑上运行“警猫眼”观看端程序，添加第一步的摄像端ID，即可连接。

警猫眼App下载：（大小超附件限制，只好给个下载链接）

点击打开链接

连接后摄像端手机的摄像头会被打开，你把它放置在你想监控的地方，只要有网络，无论距离有多远，你就可以在另外一台手机里看到实时画面，而且比QQ视频还要更流畅，此外它还提供包括动作监测、双向语音、以及24小时SD卡录像等其他功能。

摘录官方网页的介绍：

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

“警猫眼”软件把闲置安卓手机变成智能网络摄像头，可通过WiFi/3G远程传输实时视频与音频至随身手机，好似千里眼、顺风耳。附加摄像头动作捕捉、入侵报警，以及24小时无间断录像。专为居家室内安全系统设计。

　　▶ 无需专业监控硬件，只要一台闲置安卓手机 + 免费的“警猫眼”软件！
　　▶ 可用随身手机和电脑远程观看，观看端有Android、iOS、PC电脑三个版本！
　　▶ 无需路由器端口设置，P2P即插即用！
　　▶ 没有内网限制，只要上互联网就能远程监控！
　　▶ 支持H.263硬编码、H.264硬编码，最大程度利用你安卓手机的潜能！
　　▶ 摄像头图像移动侦测触发报警，声音侦测触发报警，手机被拿动触发报警！
　　▶ 不插手机卡时，可以电子邮件报警；插手机卡时，还可以短信、彩信、打电话报警！
++++++++++++++++++++++++++++++++++++++++++++

很明显，能看出来 “警猫眼”机底盒是 Arduino控制板为核心的，还有HC-06蓝牙模块，DHT11，MQ2，舵机，继电器，红外人体感应器，LED灯，等模块。。
“警猫眼”机底盒与上面的安卓手机是通过蓝牙串口通信交互的。

Arduino程序分享出来，大家参考：

#include <Servo.h>
#include <dht.h>#define PIN_A_VOLTAGE  5
#define PIN_A_MQ2      4#define PIN_D_SERVO    9
#define PIN_D_DHT      8
#define PIN_D_RELAY    4
#define PIN_D_RED      5
#define PIN_D_LED      2
#define PIN_D_LEDA     7
#define PIN_D_LEDB     12//PT2272 Recv
#define PIN_D_2272VT   6
#define PIN_A_2272D0   0
#define PIN_A_2272D1   1
#define PIN_A_2272D2   2
#define PIN_A_2272D3   3//PT2262 Send
#define PIN_D_315SEND   10
#define PIN_D_433SEND   10#define ANALOG_HIGH_VALUE  560Servo servo;
dht   DHT;
int8_t relayVal;double readNumber()
{int8_t dotCount = 0;int n = 0;double p = 0.0f;char ch;while (1) {if (Serial.available() > 0) {ch = Serial.read();if (ch == '\r'){continue;}else if (ch == '\n'){return (double)n + p;}else if (ch == '.'){if (dotCount == 0) dotCount = 1;continue;}else {if (dotCount == 0) {n = n*10 + (ch - '0');}else {double tmp = 1.0f;int i = dotCount;while (i > 0){tmp *= 0.1f;i -= 1;}p += ((double)(ch - '0'))*tmp;dotCount += 1;}}}//if}//while
}uint16_t readWord()
{uint32_t ret = 0;char ch;while (1) {if (Serial.available() > 0) {ch = Serial.read();if (ch == '\r'){continue;}else if (ch == '\n'){return (uint16_t)ret;}else if (ch == ','){return (uint16_t)ret;}else {if (ret <= 65535) {ret = ret*10 + (ch - '0');}}}//if}//while
}// Return value:
// -1: Error
//  n: n > 0, number of bytes
int readWordArray(uint16_t buf[], int bufSize)
{uint16_t len = readWord();if (len > bufSize){return -1;}int i;for (i = 0; i < len; i++){buf[i] = readWord();}return len;
}///uint8_t  pt2262_pin;
uint16_t pt2262_count;void pt2262_foura(void)
{int i;for (i = 0; i < pt2262_count; i++){delayMicroseconds(10);}
}void ev1527_bit0(void)
{digitalWrite(pt2262_pin, HIGH);pt2262_foura();digitalWrite(pt2262_pin, LOW);pt2262_foura();pt2262_foura();pt2262_foura();
}void ev1527_bit1(void)
{digitalWrite(pt2262_pin, HIGH);pt2262_foura();pt2262_foura();pt2262_foura();digitalWrite(pt2262_pin, LOW);pt2262_foura();
}void pt2262_dama0(void)//BIT"0"
{digitalWrite(pt2262_pin, HIGH);pt2262_foura();digitalWrite(pt2262_pin, LOW);pt2262_foura();pt2262_foura();pt2262_foura();digitalWrite(pt2262_pin, HIGH);pt2262_foura();digitalWrite(pt2262_pin, LOW);pt2262_foura();pt2262_foura();pt2262_foura();
}void pt2262_dama1(void)//BIT"1"
{digitalWrite(pt2262_pin, HIGH);pt2262_foura();pt2262_foura();pt2262_foura();digitalWrite(pt2262_pin, LOW);pt2262_foura();digitalWrite(pt2262_pin, HIGH);pt2262_foura();pt2262_foura();pt2262_foura();digitalWrite(pt2262_pin, LOW);pt2262_foura();
}void pt2262_damaf(void)//BIT"f"
{digitalWrite(pt2262_pin, HIGH);pt2262_foura();digitalWrite(pt2262_pin, LOW);pt2262_foura();pt2262_foura();pt2262_foura();digitalWrite(pt2262_pin, HIGH);pt2262_foura();pt2262_foura();pt2262_foura();digitalWrite(pt2262_pin, LOW);pt2262_foura();
}void pt2262_syn(void)
{int i=31;digitalWrite(pt2262_pin, HIGH);pt2262_foura();digitalWrite(pt2262_pin, LOW);while(i--){pt2262_foura();}
}void pt2262_send(uint16_t addr, uint8_t data)
{uint16_t addr_bak = addr;uint8_t data_bak = data;uint8_t i;uint8_t j;uint8_t tmp;for (i = 0; i < 5; i++){addr = addr_bak;data = data_bak;pt2262_syn();for (j = 0; j < 8; j++){//A0 -> A7tmp = addr % 3;if (0 == tmp)       pt2262_dama0();else if  (1 == tmp) pt2262_dama1();else                pt2262_damaf();addr = addr / 3;}for (j = 0; j < 4; j++){//D0 -> D3tmp = data % 2;if (0 == tmp)       pt2262_dama0();else if  (1 == tmp) pt2262_dama1();data = data / 2;}}
}void ev1527_send(uint16_t addr, uint8_t data)
{uint16_t addr_bak = addr;uint8_t data_bak = data;uint8_t i;uint8_t j;uint8_t tmp;for (i = 0; i < 5; i++){addr = addr_bak;data = data_bak;pt2262_syn();for (j = 0; j < 8; j++){//A0 -> A7 (16bit)tmp = addr % 3;if (0 == tmp)       pt2262_dama0();else if  (1 == tmp) pt2262_dama1();else                pt2262_damaf();addr = addr / 3;}for (j = 0; j < 8; j++){//D0 -> D7 (8bit)tmp = data % 2;if (0 == tmp)       ev1527_bit0();else if  (1 == tmp) ev1527_bit1();data = data / 2;}}
}int8_t vtState = 0;void pt2272_func()
{uint8_t val2272;int val = digitalRead(PIN_D_2272VT);if (vtState == 0 &&  val == 1){val2272 = 0;if ((analogRead(PIN_A_2272D0) > ANALOG_HIGH_VALUE ? HIGH : LOW) == HIGH){val2272 |= 0x1;}if ((analogRead(PIN_A_2272D1) > ANALOG_HIGH_VALUE ? HIGH : LOW) == HIGH){val2272 |= 0x2;}if ((analogRead(PIN_A_2272D2) > ANALOG_HIGH_VALUE ? HIGH : LOW) == HIGH){val2272 |= 0x4;}if ((analogRead(PIN_A_2272D3) > ANALOG_HIGH_VALUE ? HIGH : LOW) == HIGH){val2272 |= 0x8;}Serial.print("M");Serial.println(val2272, DEC);}vtState = val;
}//void setup()
{pinMode(PIN_D_2272VT,   INPUT);//pinMode(PIN_D_2272D0,   INPUT);//pinMode(PIN_D_2272D1,   INPUT);//pinMode(PIN_D_2272D2,   INPUT);//pinMode(PIN_D_2272D3,   INPUT);pinMode(PIN_D_315SEND,   OUTPUT);pinMode(PIN_D_433SEND,   OUTPUT);digitalWrite(PIN_D_315SEND,  LOW);digitalWrite(PIN_D_433SEND,  LOW);pinMode(PIN_D_LED,  OUTPUT);pinMode(PIN_D_LEDA, OUTPUT);pinMode(PIN_D_LEDB, OUTPUT);pinMode(PIN_D_RELAY, OUTPUT);pinMode(PIN_D_RED,   INPUT);digitalWrite(PIN_D_RELAY, HIGH);relayVal = 0;digitalWrite(PIN_D_LED,  LOW);digitalWrite(PIN_D_LEDA, LOW);digitalWrite(PIN_D_LEDB, LOW);servo.attach(PIN_D_SERVO);servo.write(90);Serial.begin(9600);delay(500);int n;char ch;int val;double fVal;int i;for (i = 0; i < 1500; i++){while (Serial.available() > 0){ch = Serial.read();if(ch == 'd'){n = readNumber();//Serial.print("dn=");Serial.println(n, DEC);Debugservo.write(n);}else if(ch == 'j'){n = readNumber();//Serial.print("jn=");Serial.println(n, DEC);Debugif (n == 1) {digitalWrite(PIN_D_RELAY, LOW);relayVal = 1;}else if (n == 0) {digitalWrite(PIN_D_RELAY, HIGH);relayVal = 0;}}else if(ch == 'a'){n = readNumber();if (n == 1) {digitalWrite(PIN_D_LEDA, HIGH);}else if (n == 0) {digitalWrite(PIN_D_LEDA, LOW);}}else if(ch == 'b'){n = readNumber();if (n == 1) {digitalWrite(PIN_D_LEDB, HIGH);}else if (n == 0) {digitalWrite(PIN_D_LEDB, LOW);}}else if(ch == 'L'){n = readNumber();if (n == 1) {digitalWrite(PIN_D_LED, HIGH);}else if (n == 0) {digitalWrite(PIN_D_LED, LOW);}}else if(ch == 'm'){n = readWord();if (n == 315){pt2262_pin = PIN_D_315SEND;}else if (n == 433){pt2262_pin = PIN_D_433SEND;}pt2262_count = readWord();n = readWord();if (n == 2262){n = readWord();pt2262_send(n, readWord());}else if (n == 1527){n = readWord();ev1527_send(n, readWord());}}}//whileval = servo.read();Serial.print("d");Serial.println(val, DEC);val = relayVal;Serial.print("j");Serial.println(val, DEC);val = (digitalRead(PIN_D_RED) == HIGH ? 1 : 0);Serial.print("h");Serial.println(val, DEC);pt2272_func();delay(200);}
}#define VOLTAGE_ARRAY_SIZE  50
uint8_t voltageArray[VOLTAGE_ARRAY_SIZE];
uint32_t loop_count = 0;void loop()
{int n;char ch;while (Serial.available() > 0){ch = Serial.read();if(ch == 'd'){n = readNumber();//Serial.print("dn=");Serial.println(n, DEC);Debugservo.write(n);}else if(ch == 'j'){n = readNumber();//Serial.print("jn=");Serial.println(n, DEC);Debugif (n == 1) {digitalWrite(PIN_D_RELAY, LOW);relayVal = 1;}else if (n == 0) {digitalWrite(PIN_D_RELAY, HIGH);relayVal = 0;}}else if(ch == 'a'){n = readNumber();if (n == 1) {digitalWrite(PIN_D_LEDA, HIGH);}else if (n == 0) {digitalWrite(PIN_D_LEDA, LOW);}}else if(ch == 'b'){n = readNumber();if (n == 1) {digitalWrite(PIN_D_LEDB, HIGH);}else if (n == 0) {digitalWrite(PIN_D_LEDB, LOW);}}else if(ch == 'L'){n = readNumber();if (n == 1) {digitalWrite(PIN_D_LED, HIGH);}else if (n == 0) {digitalWrite(PIN_D_LED, LOW);}}else if(ch == 'm'){n = readWord();if (n == 315){pt2262_pin = PIN_D_315SEND;}else if (n == 433){pt2262_pin = PIN_D_433SEND;}pt2262_count = readWord();n = readWord();if (n == 2262){n = readWord();pt2262_send(n, readWord());}else if (n == 1527){n = readWord();ev1527_send(n, readWord());}}}//whileint val;double fVal;if ((loop_count % 10) == 0){val = analogRead(PIN_A_MQ2);Serial.print("y");Serial.println(val, DEC);val = servo.read();Serial.print("d");Serial.println(val, DEC);val = relayVal;Serial.print("j");Serial.println(val, DEC);val = (digitalRead(PIN_D_RED) == HIGH ? 1 : 0);Serial.print("h");Serial.println(val, DEC);if (0 == DHT.read11(PIN_D_DHT)){fVal = DHT.temperature;Serial.print("w");Serial.println(fVal, 3);fVal = DHT.humidity;Serial.print("s");Serial.println(fVal, 3);}}uint8_t index = loop_count % VOLTAGE_ARRAY_SIZE;voltageArray[index] = (uint8_t)round((double)(analogRead(PIN_A_VOLTAGE) - 3)/4.0f);if (index == (VOLTAGE_ARRAY_SIZE - 1)){uint8_t j;uint16_t arraySum = 0;for (j = 0; j < VOLTAGE_ARRAY_SIZE; j++){arraySum += voltageArray[j];}fVal = (double)(arraySum * 4) / (double)VOLTAGE_ARRAY_SIZE;fVal = fVal * 0.02444f;Serial.print("U");Serial.println(fVal, 3);}pt2272_func();delay(100);loop_count += 1;
}

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警猫眼Arduino源码分享，把闲置手机变成安防监控摄像头！

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