From 118ff831e90c25790fa9d81c3555ac39b94b56d8 Mon Sep 17 00:00:00 2001
From: acevest <zhaoyanbai@126.com>
Date: Mon, 8 Sep 2014 18:42:32 +0800
Subject: [PATCH] add code

---
 arduino/fm/fm.ino       | 38 ++++++++++++++++++++
 arduino/light/light.ino | 43 +++++++++++++++++++++++
 arduino/rcv/rcv.ino     | 22 ++++++++++++
 arduino/snd/snd.ino     | 77 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 180 insertions(+)
 create mode 100644 arduino/fm/fm.ino
 create mode 100644 arduino/light/light.ino
 create mode 100644 arduino/rcv/rcv.ino
 create mode 100644 arduino/snd/snd.ino

diff --git a/arduino/fm/fm.ino b/arduino/fm/fm.ino
new file mode 100644
index 0000000..844b2e9
--- /dev/null
+++ b/arduino/fm/fm.ino
@@ -0,0 +1,38 @@
+int fmpin=12;  //设置蜂鸣器数字接口1
+void setup()
+{
+  pinMode(fmpin,OUTPUT);
+}
+
+void fm(float f)
+{
+  float T = (float) ((float)1000000) / f;
+  
+  int d = (int) (T/2);
+  
+  int cnt = 1*(int)f;
+  
+  int i;
+  for(i=0; i<cnt; ++i)
+  {
+    digitalWrite(fmpin,HIGH);   //产生1KHz的脉冲
+    delayMicroseconds(d);
+    digitalWrite(fmpin,LOW);
+    delayMicroseconds(d);
+  }
+  
+  delay(200);
+}
+
+void loop()
+{
+  fm(2560);
+  fm(2880);
+  fm(3200);
+  fm(3413.33);
+  fm(3840);
+  fm(4266.67);
+  fm(4800);
+  fm(5120);
+  fm(5120);
+}
diff --git a/arduino/light/light.ino b/arduino/light/light.ino
new file mode 100644
index 0000000..6bb045a
--- /dev/null
+++ b/arduino/light/light.ino
@@ -0,0 +1,43 @@
+
+const int ledPin = 12;
+int cnt = 0;
+
+void setup() {
+  Serial.begin(9600);
+  pinMode(ledPin, OUTPUT);
+}
+
+void loop() {
+  cnt ++;
+  
+  int lv = analogRead(0);  // Light
+ 
+  int tv = analogRead(1);  // Temperature
+  
+  delay(100);
+  
+  float temperature;
+  float resistance = (float)(1023-tv)*10000/tv;
+  temperature = 1/(log(resistance/10000)/3975+1/298.15) - 273.15;
+  if(cnt % 10 == 0)
+  {
+    Serial.print("Light Sensor Value: ");
+    Serial.println(lv);
+  
+    Serial.print("Temperature Sensor Value: ");
+    Serial.println(tv); 
+    
+    Serial.print("Temperature: ");
+    Serial.println(temperature); 
+  }
+  
+  if(lv < 400)
+  {
+    digitalWrite(ledPin, HIGH);
+  }
+  else
+  {
+    digitalWrite(ledPin, LOW);
+  }
+  
+}
diff --git a/arduino/rcv/rcv.ino b/arduino/rcv/rcv.ino
new file mode 100644
index 0000000..7ad22d8
--- /dev/null
+++ b/arduino/rcv/rcv.ino
@@ -0,0 +1,22 @@
+#include <IRremote.h>
+
+int RECV_PIN = 11;
+
+IRrecv irrecv(RECV_PIN);
+
+decode_results results;
+
+void setup()
+{
+  Serial.begin(9600);
+  irrecv.enableIRIn();
+}
+
+void loop()
+{
+  if(irrecv.decode(&results)) {
+    Serial.println(results.value, HEX);
+    Serial.println();
+    irrecv.resume();
+  }
+}
diff --git a/arduino/snd/snd.ino b/arduino/snd/snd.ino
new file mode 100644
index 0000000..70e9748
--- /dev/null
+++ b/arduino/snd/snd.ino
@@ -0,0 +1,77 @@
+/*
+* 发射红外线信号
+* 注意! 红外线发射器(IR LED)必须接到 pin 3, 不能接其它脚位
+ 
+ Hisense 机顶盒 SD-16127 tested
+ */
+ 
+//By Leo 2013.02.19
+//http://weibo.com/leolite
+//Update: Pin 3 IR LED test function
+ 
+ 
+#include <IRremote.h>                  // 引用 IRRemote 函式库
+ 
+int RECV_PIN = 11;
+IRrecv irrecv(RECV_PIN);
+
+IRsend irsend;                          // 定义 IRsend 物件来发射红外线讯号
+decode_results results;
+
+
+void setup()
+{
+  Serial.begin(9600);
+  pinMode(3,OUTPUT);
+  /*
+  irrecv.enableIRIn();
+  
+  pinMode(3, OUTPUT);   
+  digitalWrite(3, HIGH);   // 点亮LED测试（需通过手机摄像模式观察）
+  delay(3000);             // 等待3秒
+  digitalWrite(3, LOW);    // 结束测试*/
+}
+
+void showIRProtocol(decode_results *results) 
+{
+  Serial.print("Protocol: ");
+  
+  // 判断红外线协定种类
+  switch(results->decode_type) {
+   case NEC:
+     Serial.print("NEC");
+     break;
+   case SONY:
+     Serial.print("SONY");
+     break;
+   case RC5:
+     Serial.print("RC5");
+     break;
+   case RC6:
+     Serial.print("RC6");
+     break;
+   default:
+     Serial.print("Unknown encoding");  
+  }  
+
+  // 把红外线编码印到 Serial port
+  Serial.print(", irCode: ");            
+  Serial.print(results->value, HEX);    // 红外线编码
+  Serial.print(",  bits: ");           
+  Serial.println(results->bits);        // 红外线编码位元数    
+}
+
+void loop()
+{
+  //Serial.print("SendIR: ");
+  //irsend.sendNEC(0x807FE01F, 32);   // 记得换成你遥控器的红外线编码
+  //delay(100);             // 等待3秒
+  
+  if(irrecv.decode(&results)) {
+    //Serial.println(results.value, HEX);
+    //Serial.println();
+    showIRProtocol(&results);
+    irrecv.resume();
+  }
+}
+
-- 
2.44.0