dumped all my old arduino stuff in here.

DS1626/DS1626.ino

@@ -0,0 +1,143 @@
+
+//#include <LiquidCrystal.h>
+
+//LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
+
+#include <SoftwareSerial.h>
+
+
+#define rxPin      0
+#define txPin      1
+#define ledPin     13
+
+#define rstPin     6
+#define clkPin     7
+#define dqPin      8
+
+#define tempPin    0
+
+// set up a new serial port
+SoftwareSerial mySerial =  SoftwareSerial(rxPin, txPin);
+byte pinState = 0;
+
+void setup()  {
+  // define pin modes for tx, rx, led pins:
+  pinMode(rxPin, INPUT);
+  pinMode(txPin, OUTPUT);
+
+  pinMode(ledPin, OUTPUT);
+  pinMode(rstPin, OUTPUT);
+  pinMode(clkPin, OUTPUT);
+  pinMode(dqPin, OUTPUT);
+  
+  // set the data rate for the SoftwareSerial port
+  mySerial.begin(9600);
+  
+  //lcd.begin(16, 2);
+  //lcd.print("Temperature:");
+}
+
+
+void loop() {
+    float temp;
+
+    rst_low();
+    
+    clk_high();
+    rst_high(); //all data transfer are initiated by driving RST high
+    write_command(0x0c); // write config command
+    write_command(0x02); // cpu mode
+    rst_low();
+    delay(200); //wait until the configuration register is written 
+    
+    clk_high();
+    rst_high();
+    write_command(0x51); //start conversion
+    rst_low();
+    delay(200);
+   
+    clk_high();
+    rst_high();
+    write_command(0xAA);
+    int raw_data = read_raw_data();
+    rst_low();
+    
+    mySerial.print("temperature:");
+    mySerial.print(raw_data/20);
+    mySerial.println(" C");
+
+    /*
+    temp = analogRead(tempPin);
+    //temp = temp * 0.48828125;
+    temp = (5.0 * temp * 100.0)/1024.0;
+    lcd.setCursor(0, 1);
+    lcd.print(temp);
+    //lcd.print(" ");
+    //lcd.print("wsew");
+    
+    
+    delay(1000);
+ */
+ delay(1000);
+
+}
+
+void write_command(int command)
+/* sends 8 bit command on DQ output, least sig bit first */ 
+{
+  int n, bit;
+  
+  for(n=0;n<8;n++)
+  {
+    bit = ((command >> n) & (0x01));
+    out_bit(bit);
+  }
+}
+
+int read_raw_data(void)
+{
+  int bit,n;
+  int raw_data=0;
+
+  pinMode(dqPin,INPUT);
+  
+     /* jam the dq lead high to use as input */
+  for(n=0;n<9;n++)
+  {
+     clk_low();
+     bit=(digitalRead(dqPin));
+     clk_high();
+     raw_data = raw_data | (bit <<  n);
+  }
+  pinMode(dqPin, OUTPUT);
+  return(raw_data);
+}
+
+void out_bit(int bit) 
+{
+  digitalWrite(dqPin, bit);  /* set up the data */
+  clk_low();             /* and then provide a clock pulse */   
+  clk_high();
+}
+
+void clk_high(void)
+{
+  digitalWrite(clkPin,HIGH);
+}
+
+void clk_low(void)
+{
+  digitalWrite(clkPin,LOW);
+}
+
+void rst_high(void)
+{
+   digitalWrite(rstPin,HIGH);
+}
+
+void rst_low(void)
+{
+   digitalWrite(rstPin,LOW);
+}
+
+