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Merge branch 'espressif:release/v2.x' into release/v2.x
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,45 @@ | ||
#include <Wire.h> | ||
#include <SPI.h> | ||
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void setup() { | ||
// UART initialization | ||
Serial.begin(9600); | ||
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// I2C initialization | ||
Wire.begin(); | ||
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// SPI initialization | ||
SPI.begin(); | ||
} | ||
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void loop() { | ||
// UART echo | ||
if (Serial.available()) { | ||
Serial.write(Serial.read()); | ||
} | ||
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// I2C read/write | ||
Wire.beginTransmission(0x68); // I2C address of device | ||
Wire.write(0x00); // register to read/write | ||
Wire.write(0xFF); // data to write (if writing) | ||
Wire.endTransmission(); | ||
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Wire.requestFrom(0x68, 1); // number of bytes to read | ||
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while (Wire.available()) { | ||
Serial.println(Wire.read()); | ||
} | ||
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// SPI read/write | ||
digitalWrite(SS, LOW); // select slave device | ||
SPI.transfer(0x01); // data to write | ||
digitalWrite(SS, HIGH); // deselect slave device | ||
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digitalWrite(SS, LOW); // select slave device | ||
byte data = SPI.transfer(0x00);// data to read | ||
digitalWrite(SS, HIGH); // deselect slave device | ||
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Serial.println(data); | ||
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delay(1000); // wait for 1 second before repeating loop | ||
} |
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