mirror of
https://github.com/RobTillaart/Arduino.git
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73 lines
1.2 KiB
C++
73 lines
1.2 KiB
C++
//
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// FILE: analogKeypad_values.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: helper for adjust 4x4 analogue keypad MAGIC numbers
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//
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#define ANALOGPORT A0
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#include "AnalogKeypad.h"
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AnalogKeypad AKP(ANALOGPORT);
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uint32_t start, stop;
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void setup()
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{
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Serial.begin(115200);
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Serial.println(__FILE__);
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Serial.print("ANALOGKEYPAD_LIB_VERSION:\t");
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Serial.println(ANALOGKEYPAD_LIB_VERSION);
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Serial.println();
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Serial.println("Press keys to get the ADC values for the _rawRead() function");
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Serial.println();
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testChar("0");
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testChar("1");
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testChar("2");
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testChar("3");
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testChar("4");
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testChar("5");
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testChar("6");
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testChar("7");
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testChar("8");
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testChar("9");
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testChar("A");
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testChar("B");
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testChar("C");
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testChar("D");
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testChar("#");
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testChar("*");
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Serial.println("\ndone...");
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}
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void loop()
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{
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}
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//
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void testChar(const char * str)
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{
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int x = analogRead(ANALOGPORT);
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int y = 0;
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Serial.print("Press ");
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Serial.print(str);
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Serial.print("\t\t");
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do
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{
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y = analogRead(ANALOGPORT);
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}
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while (abs(x - y) < 4); // ADAPT THRESHOLD IF NEEDED
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Serial.print(y);
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Serial.print("\t");
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Serial.println(y / 4); // assume 10 bits.
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delay(1000);
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}
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// -- END OF FILE --
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