diff options
| author | David A. Mellis <d.mellis@arduino.cc> | 2007-10-06 13:04:46 +0000 | 
|---|---|---|
| committer | David A. Mellis <d.mellis@arduino.cc> | 2007-10-06 13:04:46 +0000 | 
| commit | 9e48dfc4fd53a2bc53367568077fbea44f88eda2 (patch) | |
| tree | 356854e8239e0f0676bcf6105b7ea6a53cb9a880 /core/libraries/Wire/examples/SFRRanger_reader | |
| parent | 179fcdbda432ff33a921a70994087b08b2a79caa (diff) | |
Moving libraries out from inside targets and creating bootloaders directory.
Diffstat (limited to 'core/libraries/Wire/examples/SFRRanger_reader')
| -rwxr-xr-x | core/libraries/Wire/examples/SFRRanger_reader/SFRRanger_reader.pde | 84 | 
1 files changed, 0 insertions, 84 deletions
diff --git a/core/libraries/Wire/examples/SFRRanger_reader/SFRRanger_reader.pde b/core/libraries/Wire/examples/SFRRanger_reader/SFRRanger_reader.pde deleted file mode 100755 index c89b0f0..0000000 --- a/core/libraries/Wire/examples/SFRRanger_reader/SFRRanger_reader.pde +++ /dev/null @@ -1,84 +0,0 @@ -// I2C SRF10 or SRF08 Devantech Ultrasonic Ranger Finder  -// by Nicholas Zambetti <http://www.zambetti.com> -// and James Tichenor <http://www.jamestichenor.net>  - -// Demonstrates use of the Wire library reading data from the  -// Devantech Utrasonic Rangers SFR08 and SFR10 - -// Created 29 April 2006 - -#include <Wire.h> - -void setup() -{ -  Wire.begin();                // join i2c bus (address optional for master) -  Serial.begin(9600);          // start serial communication at 9600bps -} - -int reading = 0; - -void loop() -{ -  // step 1: instruct sensor to read echoes -  Wire.beginTransmission(112); // transmit to device #112 (0x70) -                               // the address specified in the datasheet is 224 (0xE0) -                               // but i2c adressing uses the high 7 bits so it's 112 -  Wire.send(0x00);             // sets register pointer to the command register (0x00)   -  Wire.send(0x50);             // command sensor to measure in "inches" (0x50)  -                               // use 0x51 for centimeters -                               // use 0x52 for ping microseconds -  Wire.endTransmission();      // stop transmitting - -  // step 2: wait for readings to happen -  delay(70);                   // datasheet suggests at least 65 milliseconds - -  // step 3: instruct sensor to return a particular echo reading -  Wire.beginTransmission(112); // transmit to device #112 -  Wire.send(0x02);             // sets register pointer to echo #1 register (0x02) -  Wire.endTransmission();      // stop transmitting - -  // step 4: request reading from sensor -  Wire.requestFrom(112, 2);    // request 2 bytes from slave device #112 - -  // step 5: receive reading from sensor -  if(2 <= Wire.available())    // if two bytes were received -  { -    reading = Wire.receive();  // receive high byte (overwrites previous reading) -    reading = reading << 8;    // shift high byte to be high 8 bits -    reading |= Wire.receive(); // receive low byte as lower 8 bits -    Serial.println(reading);   // print the reading -  } - -  delay(250);                  // wait a bit since people have to read the output :) -} - - -/* - -// The following code changes the address of a Devantech Ultrasonic Range Finder (SRF10 or SRF08) -// usage: changeAddress(0x70, 0xE6); - -void changeAddress(byte oldAddress, byte newAddress) -{ -  Wire.beginTransmission(oldAddress); -  Wire.send(0x00); -  Wire.send(0xA0); -  Wire.endTransmission(); - -  Wire.beginTransmission(oldAddress); -  Wire.send(0x00); -  Wire.send(0xAA); -  Wire.endTransmission(); - -  Wire.beginTransmission(oldAddress); -  Wire.send(0x00); -  Wire.send(0xA5); -  Wire.endTransmission(); - -  Wire.beginTransmission(oldAddress); -  Wire.send(0x00); -  Wire.send(newAddress); -  Wire.endTransmission(); -} - -*/  | 
