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65 lines
892 B
Arduino
65 lines
892 B
Arduino
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//
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// FILE: PCF8575_select.ino
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// AUTHOR: Rob Tillaart
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// DATE: 2022-06-18
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// PUPROSE: demo PCF8575 library select functions
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#include "PCF8575.h"
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PCF8575 PCF(0x38);
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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("PCF8575_LIB_VERSION:\t");
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Serial.println(PCF8575_LIB_VERSION);
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PCF.begin();
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Serial.println(PCF.isConnected());
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Serial.println();
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PCF.selectAll();
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delay(1000);
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PCF.selectNone();
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delay(1000);
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// VU meter up
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for (int i = 0; i < 15; i++)
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{
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PCF.selectN(i);
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delay(100);
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}
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// VU meter down
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for (int i = 15; i >= 0; i--)
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{
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PCF.selectN(i);
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delay(100);
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}
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}
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void loop()
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{
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// night rider
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for (int i = 0; i < 15; i++)
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{
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PCF.select(i);
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delay(100);
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}
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for (int i = 15; i >= 0; i--)
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{
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PCF.select(i);
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delay(100);
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}
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}
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// -- END OF FILE --
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