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added CRC check

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rob tillaart 2015-07-12 19:32:53 +02:00
parent 6e758b3054
commit 1ec00d3418
1 changed files with 13 additions and 3 deletions
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16
sketches/oneWireSearch/oneWireSearch.ino
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@ -1,7 +1,7 @@
//
// FILE: oneWireSearch.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.03
// VERSION: 0.1.04
// PURPOSE: scan for 1-Wire devices + code snippet generator
// DATE: 2015-june-30
// URL: http://forum.arduino.cc/index.php?topic=333923
@ -14,8 +14,9 @@
// 0.1.01 first published version
// 0.1.02 small output changes
// 0.1.03 added more explicit range
// 0.1.04 added CRC check
// UNO 3..20
// UNO 2..20
// MEGA and others have different range
const int startPin = 2;
const int endPin = 20;
@ -61,7 +62,16 @@ uint8_t findDevices(int pin)
Serial.print(address[i], HEX);
if (i < 7) Serial.print(", ");
}
Serial.println(" },");
Serial.print(" },");
// CHECK CRC
if (ow.crc8(address, 7) == address[7])
{
Serial.println("\t\t// CRC OK");
}
else
{
Serial.println("\t\t// CRC FAILED");
}
} while (ow.search(address));
Serial.println("};");