/**
@brief Get system register byte.
*/
int
tua9001_GetSysRegByte(
TUNER_MODULE *pTuner,
unsigned short RegAddr,
unsigned char *pReadingByte
)
{
// Get demod system register byte.
// if(RTK_SYS_Byte_Read(RegAddr, LEN_1_BYTE, pReadingByte) != TRUE)
// goto error_status_get_system_registers;
I2C_BRIDGE_MODULE *pI2cBridge;
BASE_INTERFACE_MODULE *pBaseInterface;
struct dvb_usb_device *d;
// Get I2C bridge.
pI2cBridge = pTuner->pI2cBridge;
pBaseInterface = pTuner->pBaseInterface;
pBaseInterface->GetUserDefinedDataPointer(pBaseInterface, (void **)&d);
if ( read_usb_sys_char_bytes(d, RTD2832U_SYS, RegAddr, pReadingByte, LEN_1_BYTE) )
goto error_status_get_system_registers;
return FUNCTION_SUCCESS;
error_status_get_system_registers:
return FUNCTION_ERROR;
}
/**
@brief Get register bytes with address.
*/
int
tua9001_GetRegBytesWithRegAddr(
TUNER_MODULE *pTuner,
unsigned char DeviceAddr,
unsigned char RegAddr,
unsigned char *pReadingBytes,
unsigned char ByteNum
)
{
// Get tuner register byte.
//if(rtl2832usb_ReadWithRegAddr(DeviceAddr, RegAddr, pReadingBytes, ByteNum) != FUNCTION_SUCCESS)
// goto error_status_get_tuner_registers_with_address;
I2C_BRIDGE_MODULE *pI2cBridge;
BASE_INTERFACE_MODULE *pBaseInterface;
unsigned char TunerDeviceAddr;
struct dvb_usb_device *d;
// Get I2C bridge.
pI2cBridge = pTuner->pI2cBridge;
pBaseInterface = pTuner->pBaseInterface;
// Get tuner device address.
pTuner->GetDeviceAddr(pTuner,&TunerDeviceAddr);
pBaseInterface->GetUserDefinedDataPointer(pBaseInterface, (void **)&d);
if( read_rtl2832_tuner_register( d, TunerDeviceAddr, RegAddr, pReadingBytes, ByteNum ) )
goto error_status_get_tuner_registers_with_address;
return FUNCTION_SUCCESS;
error_status_get_tuner_registers_with_address:
return FUNCTION_ERROR;
}
int tua9001i2cBusWrite (TUNER_MODULE *pTuner, unsigned char deviceAddress, unsigned char registerAddress, char *data,
unsigned int length)
{
#if 0
BASE_INTERFACE_MODULE *pBaseInterface;
unsigned char ByteNum;
unsigned char WritingBytes[I2C_BUFFER_LEN];
unsigned int i;
// Get base interface.
pBaseInterface = pTuner->pBaseInterface;
/* I2C write data format */
/* STA device_address ACK register_address ACK H_Byte-Data ACK L_Byte-Data !ACK STO */
/* STA = start condition, ACK = Acknowledge, STO = stop condition */
/* *data = pointer to data source */
/* length = number of bytes to write */
// Determine byte number.
ByteNum = length + LEN_1_BYTE;
// Determine writing bytes.
WritingBytes[0] = registerAddress;
for(i = 0; i < length; i++)
WritingBytes[LEN_1_BYTE + i] = data[i];
// Send I2C writing command.
if(pBaseInterface->I2cWrite(pBaseInterface, deviceAddress, WritingBytes, ByteNum) != FUNCTION_SUCCESS)
goto error_status_set_tuner_registers;
return TUA9001_TUNER_OK;
error_status_set_tuner_registers:
return TUA9001_TUNER_ERR;
#endif
BASE_INTERFACE_MODULE *pBaseInterface;
unsigned char ByteNum;
unsigned char WritingBytes[I2C_BUFFER_LEN];
unsigned int i=0;
I2C_BRIDGE_MODULE *pI2cBridge;
struct dvb_usb_device *d;
// Get base interface.
pBaseInterface = pTuner->pBaseInterface;
// Get I2C bridge.
pI2cBridge = pTuner->pI2cBridge;
// Get tuner device address.
pBaseInterface->GetUserDefinedDataPointer(pBaseInterface, (void **)&d);
// Determine byte number.
ByteNum = length;
// Determine writing bytes.
//WritingBytes[0] = registerAddress;
for(i = 0; i < length; i++)
WritingBytes[i] = data[i];
// Send I2C writing command.
if( write_rtl2832_tuner_register( d, deviceAddress, registerAddress, WritingBytes, ByteNum ) )
goto error_status_set_tuner_registers;
return TUA9001_TUNER_OK;
error_status_set_tuner_registers:
return TUA9001_TUNER_ERR;
}
