35 lines
730 B
Arduino
35 lines
730 B
Arduino
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#include <PCA95x5.h>
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PCA9555 ioex;
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void setup() {
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Serial.begin(115200);
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delay(2000);
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Wire.begin();
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ioex.attach(Wire);
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ioex.polarity(PCA95x5::Polarity::ORIGINAL_ALL);
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ioex.direction(PCA95x5::Direction::OUT_ALL);
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ioex.write(PCA95x5::Level::L_ALL);
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}
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void loop() {
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for (size_t i = 0; i < 16; ++i) {
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Serial.print("set port high: ");
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Serial.println(i);
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ioex.write(i, PCA95x5::Level::H);
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Serial.println(ioex.read(), BIN);
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delay(500);
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}
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for (size_t i = 0; i < 16; ++i) {
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Serial.print("set port low: ");
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Serial.println(i);
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ioex.write(i, PCA95x5::Level::L);
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Serial.println(ioex.read(), BIN);
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delay(500);
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}
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}
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