Exemplo n.º 1
0
/*****************************************************************************
 *
 * Description:
 *
 ****************************************************************************/
void
setPca9532Pin(tU8 pinNum, tU8 value)
{
  tU8 command[] = {0x00, 0x00};
  tU8 regValue;
  tU8 mask;
  
  if (pinNum < 4)
    command[0] = 0x06;
  else if (pinNum < 8)
    command[0] = 0x07;
  else if (pinNum < 12)
    command[0] = 0x08;
  else
    command[0] = 0x09;
    
  pca9532(command, 1, &regValue, 1);
  
  mask = (3 << 2*(pinNum % 4));
  
  regValue &= ~mask;
  
  if (value == 0)
    command[1] = 0x01;
  else
    command[1] = 0x00;
    
  command[1] <<= 2*(pinNum % 4);
  
  command[1] |= regValue;

  pca9532(command, sizeof(command), NULL, 0);
}
Exemplo n.º 2
0
/*****************************************************************************
 *
 * Description:
 *
 ****************************************************************************/
tU16
getPca9532Pin(void) {
    tU8 command[] = {0x19};
    tU8 regValue[3];

    pca9532(command, 1, regValue, 3);

    return (tU16) regValue[1] | ((tU16) regValue[2] << 8);
}
Exemplo n.º 3
0
/*****************************************************************************
 *
 * Description:
 *    Initialize the io-pins and find out if HW is ver 1.0 or ver 1.1
 *
 ****************************************************************************/
tBool
pca9532Init(void) {
    tU8 initCommand[] = {0x12, 0x97, 0x80, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00};
    //                                                         04 = LCD_RST# low
    //                                                         10 = BT_RST# low

    //initialize PCA9532
    if (I2C_CODE_OK == pca9532(initCommand, sizeof(initCommand), NULL, 0))
        return TRUE;
    else
        return FALSE;
}