C++ (Cpp) spiIn Exemples

Exemple #1

Fichier : Adafruit_STMPE610.cpp Projet : KurtE/Adafruit_STMPE610

uint16_t Adafruit_STMPE610::readRegister16(uint8_t reg) {
  uint16_t x;
  if (_CS == -1) {
   // use i2c
    Wire.beginTransmission(_i2caddr);
    Wire.write((byte)reg);
    Wire.endTransmission();
    Wire.requestFrom(_i2caddr, (byte)2);
    x = Wire.read();
    x<<=8;
    x |= Wire.read();
    Wire.endTransmission();

  } if (_CLK == -1) {
    // hardware SPI
#if defined (SPI_HAS_TRANSACTION)
    if (_CLK == -1) SPI.beginTransaction(mySPISettings);
#endif
    digitalWrite(_CS, LOW);
    spiOut(0x80 | reg); 
    spiOut(0x00);
    x = spiIn(); 
    x<<=8;
    x |= spiIn(); 
    digitalWrite(_CS, HIGH);
#if defined (SPI_HAS_TRANSACTION)
    if (_CLK == -1) SPI.endTransaction();
#endif
  }

  //Serial.print("$"); Serial.print(reg, HEX); 
  //Serial.print(": 0x"); Serial.println(x, HEX);
  return x;
}

Exemple #2

Fichier : Adafruit_STMPE610.cpp Projet : wbsimms/Edison_Eclipse

uint16_t Adafruit_STMPE610::readRegister16(uint8_t reg) {
  uint16_t x;
	spi_begin();
    CSLow();
    spiOut(0x80 | reg); 
    spiOut(0x00);
    x = spiIn(); 
    x<<=8;
    x |= spiIn(); 
    CSHigh();
    spi_end();
  //Serial.print("$"); Serial.print(reg, HEX); 
  //Serial.print(": 0x"); Serial.println(x, HEX);
  return x;
}

Exemple #3

Fichier : Adafruit_STMPE610.cpp Projet : wbsimms/Edison_Eclipse

uint8_t Adafruit_STMPE610::readRegister8(uint8_t reg) {
	uint8_t x ;
	spi_begin();
	CSLow();
	spiOut(0x80 | reg);
	spiOut(0x00);
	x = spiIn();
	CSHigh();
	spi_end();
	return x;
}