Exemplos de TWI_IADR_IADR em C++ (Cpp)

Exemplo n.º 1

Arquivo: wattr_twi.c Projeto: Sohiorochisco/Bad-Wattr-Source

void twi_send(Twi *this_twi, wbuff *nwb, uint32_t address)
{
	this_twi->TWI_MMR = TWI_MMR_DADR(address) | TWI_MMR_IADRSZ_1_BYTE;
	this_twi->TWI_IADR = TWI_IADR_IADR(nwb->buff[0]);
	this_twi->TWI_CR =  TWI_CR_MSEN;
	this_twi->TWI_THR = nwb->buff[1];
	this_twi->TWI_CR = TWI_CR_STOP;
}

Exemplo n.º 2

Arquivo: HAL.cpp Projeto: luc-github/Repetier-Firmware-0.92

  // if 1 byte address, eeprom uses lower address bits for pos > 255
  if (EEPROM_ADDRSZ_BYTES == TWI_MMR_IADRSZ_1_BYTE)
  {
    address |= pos >> 8;
    pos &= 0xFF;
  }

  // set master mode register with internal address
  TWI_INTERFACE->TWI_MMR = 0;
  TWI_INTERFACE->TWI_MMR = (twiDirection << 12) | EEPROM_ADDRSZ_BYTES |
                           TWI_MMR_DADR(address);

  // write internal address register
  TWI_INTERFACE->TWI_IADR = 0;
  TWI_INTERFACE->TWI_IADR = TWI_IADR_IADR(pos);

  if (twiDirection) TWI_INTERFACE->TWI_CR = TWI_CR_START;//send Start Bit for receiving data
#endif  
}

/*************************************************************************
 Terminates the data transfer and releases the I2C bus
*************************************************************************/
void HAL::i2cStop(void)
{
  while ( (TWI_INTERFACE->TWI_SR & TWI_SR_TXRDY) != TWI_SR_TXRDY);//wait for transmission finished
  TWI_INTERFACE->TWI_CR = TWI_CR_STOP;// send Stop
  while (!((TWI_INTERFACE->TWI_SR & TWI_SR_TXCOMP) == TWI_SR_TXCOMP));//wait for i2cCompleted
}