I am getting the following error message, when compiling the code, posted below. This code was cut&pasted from a tutorial, and I am clueless as to why it isn't working properly.
error message:
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:85:24: error: WConstants.h: No such file or directory
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp: In constructor 'OneWire::OneWire(uint8_t)':
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:93: error: 'digitalPinToBitMask' was not declared in this scope
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:94: error: 'digitalPinToPort' was not declared in this scope
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:94: error: 'portInputRegister' was not declared in this scope
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp: In member function 'uint8_t OneWire::reset()':
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:127: error: 'delayMicroseconds' was not declared in this scope
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:134: error: 'delayMicroseconds' was not declared in this scope
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp: In member function 'void OneWire::write_bit(uint8_t)':
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:157: error: 'delayMicroseconds' was not declared in this scope
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:165: error: 'delayMicroseconds' was not declared in this scope
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp: In member function 'uint8_t OneWire::read_bit()':
/Users/rootsman/Documents/Arduino/libraries/OneWire/OneWire.cpp:185: error: 'delayMicroseconds' was not declared in this scope
Does this message mean that my OneWire.cpp file is corrupt, obsolete, or is missing some key parameter?
Here is the code:
#include <OneWire.h>
/* DS18S20 Temperature chip i/o */
OneWire ds(10); // 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();
}