+++ /dev/null
-#include <OneWire.h>
-
-/* DS18S20 Temperature chip i/o */
-
-OneWire ds(8); // on pin 10
-
-void setup(void) {
- Serial.begin(9600);
-}
-
-void loop(void) {
- byte i;
- byte present = 0;
- byte data[12];
- byte addr[8];
-
- if ( !ds.search(addr)) {
- Serial.print("No more addresses.\n");
- ds.reset_search();
- delay(250);
- return;
- }
-
- Serial.print("R=");
- for( i = 0; i < 8; i++) {
- Serial.print(addr[i], HEX);
- Serial.print(" ");
- }
-
- if ( OneWire::crc8( addr, 7) != addr[7]) {
- Serial.print("CRC is not valid!\n");
- return;
- }
-
- if ( addr[0] != 0x10) {
- Serial.print("Device is not a DS18S20 family device.\n");
- return;
- }
-
- // The DallasTemperature library can do all this work for you!
-
- ds.reset();
- ds.select(addr);
- ds.write(0x44,1); // start conversion, with parasite power on at the end
-
- delay(1000); // maybe 750ms is enough, maybe not
- // we might do a ds.depower() here, but the reset will take care of it.
-
- present = ds.reset();
- ds.select(addr);
- ds.write(0xBE); // Read Scratchpad
-
- Serial.print("P=");
- Serial.print(present,HEX);
- Serial.print(" ");
- for ( i = 0; i < 9; i++) { // we need 9 bytes
- data[i] = ds.read();
- Serial.print(data[i], HEX);
- Serial.print(" ");
- }
- Serial.print(" CRC=");
- Serial.print( OneWire::crc8( data, 8), HEX);
- Serial.println();
-}