33 lines
857 B
C++
33 lines
857 B
C++
// Wire Master Reader
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// by Nicholas Zambetti <http://www.zambetti.com>
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// Demonstrates use of the Wire library
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// Reads data from an I2C/TWI slave device
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// Refer to the "Wire Slave Sender" example for use with this
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// Created 29 March 2006
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// This example code is in the public domain.
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#include <Wire.h>
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void setup() {
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Wire.begin(); // join i2c bus (address optional for master)
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Serial.begin(115200); // start serial for output
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while (!Serial);
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}
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void loop() {
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Wire.requestFrom(0x65, 2);
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// Wait for data to become available -- can be a delayed response due to # of pins to enumerate
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while(!Wire.available());
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byte dip_1 = Wire.read();
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byte dip_2 = Wire.read();
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Serial.print("DIP 1: ");
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Serial.println(dip_1, BIN);
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Serial.print("DIP 2: ");
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Serial.println(dip_2, BIN);
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delay(500);
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}
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