50 lines
963 B
C++
50 lines
963 B
C++
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#include <Arduino.h>
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#include <Wire.h>
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#include <AT24C32.h>
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void AT24C32::begin()
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{
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Wire.begin();
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};
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uint8_t AT24C32::read(int address)
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{
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uint8_t result = 0;
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bool read = true;
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Wire.beginTransmission(AT24C32_I2C_ADDRESS);
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if (Wire.endTransmission() == 0)
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{
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Wire.beginTransmission(AT24C32_I2C_ADDRESS);
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Wire.write(address >> 8);
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Wire.write(address & 0xff);
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if (Wire.endTransmission() == 0)
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{
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Wire.requestFrom(AT24C32_I2C_ADDRESS, 1);
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while (Wire.available() > 0 && read)
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{
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result = Wire.read();
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read = false;
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}
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Wire.endTransmission();
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}
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}
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return result;
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}
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void AT24C32::write(int address, uint8_t data)
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{
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Wire.beginTransmission(AT24C32_I2C_ADDRESS);
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if (Wire.endTransmission() == 0)
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{
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Wire.beginTransmission(AT24C32_I2C_ADDRESS);
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Wire.write(address >> 8);
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Wire.write(address & 0xff);
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Wire.write(data);
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Wire.endTransmission();
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delay(20);
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}
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}
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