MXL_STATUS SemcoCtrl_ReadRegister(UINT8 I2cSlaveAddr, UINT8 RegAddr, UINT8 *DataPtr)
{
MXL_STATUS status = MXL_TRUE;
AVL63X1_ErrorCode r = AVL63X1_EC_OK;
// OEM should implement I2C read protocol that complies with MxL601 I2C
// format.
// 8 bit Register Read Protocol:
// +------+-+-----+-+-+----+-+----------+-+-+
// |MASTER|S|SADDR|W| |0xFB| |RegAddr | |P|
// +------+-+-----+-+-+----+-+----------+-+-+
// |SLAVE | |A| |A| |A| |
// +------+-+-----+-+-+----+-+----------+-+-+
// +------+-+-----+-+-+-----+--+-+
// |MASTER|S|SADDR|R| | |MN|P|
// +------+-+-----+-+-+-----+--+-+
// |SLAVE | |A|Data | | |
// +------+---------+-+-----+--+-+
// Legends: SADDR(I2c slave address), S(Start condition), MA(Master Ack), MN(Master NACK),
// P(Stop condition)
AVL_uchar buffer[3]={0};
UINT8 i2c_addr;
AVL_uint16 size=0;
i2c_addr=I2cSlaveAddr+0x00;//write
buffer[0]=0xFB;
buffer[1]=RegAddr;
size=2;
// pbiinfo("zxguan [%s %d]-------------\n",__FUNCTION__,__LINE__);
r=AVL63X1_II2C_Repeater_WriteData(i2c_addr,buffer,size,pAVL_Semco_Chip);
if(r!=AVL63X1_EC_OK)
{
pbiinfo("zxguan [%s %d]-------------\n",__FUNCTION__,__LINE__);
return MXL_FALSE;
}
i2c_addr=I2cSlaveAddr;
size=1;
// pbiinfo("zxguan [%s %d]-------------\n",__FUNCTION__,__LINE__);
r=AVL63X1_II2C_Repeater_ReadData(i2c_addr, DataPtr, size,pAVL_Semco_Chip);
if (r != AVL63X1_EC_OK)
{
pbiinfo("zxguan [%s %d]------r--%d-----\n",__FUNCTION__,__LINE__,r);
return MXL_FALSE;
}
return MXL_TRUE;
}
AVL63X1_ErrorCode AVL_AlpsTDAC7D01A_GetStatus(struct AVL_Tuner *pTuner)
{
AVL63X1_ErrorCode r;
AVL_uchar ucTunerStatus;
// Set the number of bytes to be read from the tuner
// Read the tuner status byte from the tuner
r = AVL63X1_II2C_Repeater_ReadData((AVL_uchar)(pTuner->m_uiSlaveAddress), &ucTunerStatus, 1, pTuner->m_pAVL_Chip);
// Update the tuner status structure
pTuner->m_sStatus.m_uiLock = (AVL_uint16)((ucTunerStatus >> 6) & 0x01);
pTuner->m_sStatus.m_uiReset = (AVL_uint16)((ucTunerStatus >> 7) & 0x01);
return(r);
}
AVL63X1_ErrorCode AVL_Changhong_DTI7_GetStatus(struct AVL_Tuner *pTuner)
{
AVL63X1_ErrorCode r;
AVL_uchar ucTunerStatus;
AVL_uint16 uiNumBytes;
uiNumBytes = 1;
r = AVL63X1_II2C_Repeater_ReadData((AVL_uchar)(pTuner->m_uiSlaveAddress), &ucTunerStatus, uiNumBytes, pTuner->m_pAVL_Chip);
// Update the tuner status structure
pTuner->m_sStatus.m_uiLock = (AVL_uint16)((ucTunerStatus >> 6) & 0x01);
pTuner->m_sStatus.m_uiReset = (AVL_uint16)((ucTunerStatus >> 7) & 0x01);
return(r);
}
AVL_MxL603_MXL_STATUS AVL_MxLWare603_OEM_ReadRegister(UINT8 devId, UINT8 RegAddr, UINT8 *DataPtr)
{
// OEM should implement I2C read protocol that complies with MxL603 I2C
// format.
// 8 bit Register Read Protocol:
// +------+-+-----+-+-+----+-+----------+-+-+
// |MASTER|S|SADDR|W| |0xFB| |RegAddr | |P|
// +------+-+-----+-+-+----+-+----------+-+-+
// |SLAVE | |A| |A| |A| |
// +------+-+-----+-+-+----+-+----------+-+-+
// +------+-+-----+-+-+-----+--+-+
// |MASTER|S|SADDR|R| | |MN|P|
// +------+-+-----+-+-+-----+--+-+
// |SLAVE | |A|Data | | |
// +------+---------+-+-----+--+-+
// Legends: SADDR(I2c slave address), S(Start condition), MA(Master Ack), MN(Master NACK),
// P(Stop condition)
AVL_MxL603_MXL_STATUS status = MxL603_MXL_TRUE;
AVL63X1_ErrorCode r = AVL63X1_EC_OK;
/* If OEM data is implemented, customer needs to use OEM data structure related operation
Following code should be used as a reference.
For more information refer to sections 2.5 & 2.6 of MxL603_mxLWare_API_UserGuide document.
UINT8 i2cSlaveAddr;
UINT8 i2c_bus;
user_data_t * user_data = (user_data_t *) AVL_MxL603_OEM_DataPtr[devId];
if (user_data)
{
i2cSlaveAddr = user_data->i2c_address; // get device i2c address
i2c_bus = user_data->i2c_bus; // get device i2c bus
sem_up(user_data->sem); // up semaphore if needed
// I2C Write operation
status = USER_I2C_READ_FUNCTION(i2cSlaveAddr, i2c_bus, RegAddr, DataPtr);
sem_down(user_data->sem); // down semaphore
user_data->i2c_cnt++; // user statistics
}
*/
/* If OEM data is not required, customer should treat devId as I2C slave Address */
//devId = devId;
//RegAddr = RegAddr;
//*DataPtr = *DataPtr;
AVL_uchar buffer[3] = {0};
UINT8 i2c_addr;
AVL_uint16 size = 0;
i2c_addr = devId + 0x00;//write
buffer[0] = 0xFB;
buffer[1] = RegAddr;
size = 2;
r = AVL63X1_II2C_Repeater_WriteData(i2c_addr, buffer, size, pAVLChipForMxL603);
if(r != AVL63X1_EC_OK)
{
return MxL603_MXL_FALSE;
}
i2c_addr = devId;
size = 1;
r = AVL63X1_II2C_Repeater_ReadData(i2c_addr, DataPtr, size,pAVLChipForMxL603);
if (r != AVL63X1_EC_OK)
{
return MxL603_MXL_FALSE;
}
return MxL603_MXL_TRUE;
//return status;
}