//-----------------------------------------------------------------------------
BOOL bq27410_init()
{
BOOL rc = FALSE;
USHORT volt = 0;
if((hI2C = I2COpen(OMAP_DEVICE_I2C3)) == NULL)
{
RETAILMSG(1,(L"ERROR: bq27410_init Failed open I2C device driver\r\n"));
goto cleanUp;
}
if( I2CSetSlaveAddress(hI2C, BQ27410_SLAVE_ADDRESS) == FALSE )
RETAILMSG(1,(L"ERROR: bq27410_init - I2CSetSlaveAddress Failed\r\n"));
I2CSetSubAddressMode(hI2C, I2C_SUBADDRESS_MODE_8);
I2CSetBaudIndex(hI2C, FULLSPEED_MODE);
if( BQ27410_WriteReg(bq27410CMD_CNTL_LSB, 0x0C) == FALSE ) // send battery insert
RETAILMSG(1,(L"ERROR: BatteryPDDInitialize: Battery insert Failed\r\n"));
if( BQ27410_ReadReg(bq27410CMD_VOLT_LSB, &volt) )
RETAILMSG(1,(L"bq27410_init: volt = %d\r\n", volt));
I2CClose(hI2C);
rc = TRUE;
cleanUp:
return rc;
}
//------------------------------------------------------------------------------
//
// Function: I2C_IOControl
//
// This function sends a command to a device.
//
BOOL
I2C_IOControl(
DWORD context,
DWORD code,
UCHAR *pInBuffer,
DWORD inSize,
UCHAR *pOutBuffer,
DWORD outSize,
DWORD *pOutSize
)
{
RETAILMSG(ZONE_FUNCTION, (
L"+I2C_IOControl(0x%08x, 0x%08x, 0x%08x, %d, 0x%08x, %d, 0x%08x)\r\n",
context, code, pInBuffer, inSize, pOutBuffer, outSize, pOutSize
));
BOOL rc = FALSE;
Instance_t *pInstance = (Instance_t*)context;
UNREFERENCED_PARAMETER(inSize);
UNREFERENCED_PARAMETER(pOutBuffer);
UNREFERENCED_PARAMETER(outSize);
UNREFERENCED_PARAMETER(pOutSize);
// Check if we get correct context
if ((pInstance == NULL) || (pInstance->cookie != I2C_INSTANCE_COOKIE))
{
RETAILMSG(ZONE_ERROR, (L"ERROR: I2C_IOControl: "
L"Incorrect context parameter\r\n"
));
goto cleanUp;
}
switch (code)
{
case IOCTL_I2C_SET_SLAVE_ADDRESS:
I2CSetSlaveAddress(pInstance->hI2C, *(UINT16*)pInBuffer);
rc = TRUE;
break;
case IOCTL_I2C_SET_SUBADDRESS_MODE:
I2CSetSubAddressMode(pInstance->hI2C, *(DWORD*)pInBuffer);
rc = TRUE;
break;
case IOCTL_I2C_SET_BAUD_INDEX:
I2CSetBaudIndex(pInstance->hI2C, *(DWORD*)pInBuffer);
rc = TRUE;
break;
}
cleanUp:
RETAILMSG(ZONE_FUNCTION, (L"-I2C_IOControl(rc = %d)\r\n", rc));
return rc;
}
