UData_t
tuner_set_bw_normal(
handle_t tuner_handle,
handle_t demod_handle
)
{
DVBT_DEMOD_MODULE *pDemod;
int DemodBandwidthMode;
unsigned int TunerBandwidthHz;
unsigned int TargetTunerBandwidthHz;
// Get demod module.
pDemod = (DVBT_DEMOD_MODULE *)demod_handle;
// Get demod bandwidth mode.
if(pDemod->GetBandwidthMode(pDemod, &DemodBandwidthMode) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Determine tuner target bandwidth.
switch(DemodBandwidthMode)
{
case DVBT_BANDWIDTH_6MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_6MHZ; break;
case DVBT_BANDWIDTH_7MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_7MHZ; break;
default:
case DVBT_BANDWIDTH_8MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_8MHZ; break;
}
// Get tuner bandwidth.
if(MT_IS_ERROR(MT2266_GetParam(tuner_handle, MT2266_OUTPUT_BW, &TunerBandwidthHz)))
goto error_status_get_tuner_bandwidth;
// Set tuner bandwidth with normal setting according to demod bandwidth mode.
if(TunerBandwidthHz != TargetTunerBandwidthHz)
{
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle, MT2266_OUTPUT_BW, TargetTunerBandwidthHz)))
goto error_status_set_tuner_bandwidth;
}
return MT_OK;
error_status_set_tuner_bandwidth:
error_status_get_tuner_bandwidth:
error_status_execute_function:
return MT_COMM_ERR;
}
UData_t demod_pdcontrol_reset(handle_t demod_handle, handle_t tuner_handle, uint8_t *agc_current_state) {
DVBT_DEMOD_MODULE *pDemod;
unsigned long BinaryValue;
// Get demod module.
pDemod = (DVBT_DEMOD_MODULE *)demod_handle;
// Reset AGC current state.
*agc_current_state = AGC_STATE_START;
// Calculate RTL2832_MT2266_IF_AGC_MIN_INT_MIN binary value.
BinaryValue = SignedIntToBin(RTL2832_MT2266_IF_AGC_MIN_INT_MIN, RTL2832_MT2266_IF_AGC_MIN_BIT_NUM);
// Set IF_AGC_MIN with binary value.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IF_AGC_MIN, BinaryValue) != FUNCTION_SUCCESS)
goto error_status_set_registers;
// Set tuner bandwidth with normal setting.
if(MT_IS_ERROR(tuner_set_bw_normal(tuner_handle, demod_handle)))
goto error_status_set_tuner_bandwidth;
return MT_OK;
error_status_set_tuner_bandwidth:
error_status_set_registers:
return MT_COMM_ERR;
}
Dword MT2260B0_set (
IN Demodulator* demodulator,
IN Byte chip,
IN Word bandwidth,
IN Dword frequency
) {
Dword error = Error_NO_ERROR;
UData_t status = MT_OK;
UData_t freq;
UData_t bw;
freq = frequency * 1000UL;
bw = (UData_t) bandwidth * 1000UL;
/** Change frequency */
status = MT2260_ChangeFreq (Microtune_MT2260B0_tunerHandles[chip], freq);
if (MT_NO_ERROR (status))
status |= MT2260_SetParam (Microtune_MT2260B0_tunerHandles[chip], MT2260_OUTPUT_BW, bw);
if (MT_IS_ERROR (status))
error = Error_MT_TUNE_FAIL;
User_delay (demodulator, 100);
return (error);
}
Dword MT2260B0_close (
IN Demodulator* demodulator,
IN Byte chip
) {
Dword error = Error_NO_ERROR;
UData_t status = MT_OK;
status |= MT2260_Close (Microtune_MT2260B0_tunerHandles[chip]);
if (MT_IS_ERROR (status))
error = Error_MT_TUNE_FAIL;
return (error);
}
Dword MT2260B0_open (
IN Demodulator* demodulator,
IN Byte chip
) {
Dword error = Error_NO_ERROR;
UData_t status = MT_OK;
Microtune_MT2260B0_userDatas[chip].chip = chip;
Microtune_MT2260B0_userDatas[chip].demodulator = demodulator;
status = MT2260_Open ((unsigned int)Microtune_MT2260B0_EXT_ADDRESS, &Microtune_MT2260B0_tunerHandles[chip], &Microtune_MT2260B0_userDatas[chip]);
if (MT_NO_ERROR (status))
status |= MT2260_SetParam (Microtune_MT2260B0_tunerHandles[chip], MT2260_STEPSIZE, 62500);
if (MT_NO_ERROR (status))
status |= MT2260_SetParam (Microtune_MT2260B0_tunerHandles[chip], MT2260_RF_EXT, 1);
if (MT_NO_ERROR (status))
status |= MT2260_SetParam (Microtune_MT2260B0_tunerHandles[chip], MT2260_BB_EXT, 1);
if (MT_IS_ERROR (status))
error = Error_MT_TUNE_FAIL;
return (error);
}
UData_t demod_pdcontrol(handle_t demod_handle, handle_t tuner_handle, uint8_t* lna_config, uint8_t* uhf_sens,
uint8_t *agc_current_state, uint32_t *lna_gain_old) {
uint16_t pd_value;
uint16_t rf_level, bb_level;
uint32_t lna_gain;
uint8_t zin=0;
// uint8_t temp[2];
// uint8_t agc_bb_min;
// demod_data_t* local_data;
uint8_t band=1; /* band=0: vhf, band=1: uhf low, band=2: uhf high */
uint32_t freq;
// AGC threshold values
uint16_t sens_on[] = {11479, 11479, 32763};
uint16_t sens_off[] = {36867, 36867, 44767};
uint16_t lin_off[] = {23619, 23619, 23619};
uint16_t lin_on[] = {38355, 38355, 38355};
uint16_t pd_upper[] = {85, 85, 85};
uint16_t pd_lower[] = {74, 74, 74};
uint8_t next_state;
// demod_data_t* local_data = (demod_data_t*)demod_handle;
if(MT_IS_ERROR(MT2266_GetParam(tuner_handle, MT2266_INPUT_FREQ, &freq))) goto error_status;
if(MT_IS_ERROR(MT2266_GetParam(tuner_handle, MT2266_LNA_GAIN, &lna_gain))) goto error_status;
if(MT_IS_ERROR(MT2266_GetReg(tuner_handle,0x1e,&zin))) goto error_status;
if (freq <= 250000000) band=0;
else if (freq < 660000000) band=1;
else band=2;
if(MT_IS_ERROR(demod_get_pd(demod_handle, &pd_value))) goto error_status;
if(MT_IS_ERROR(demod_get_agc(demod_handle, &rf_level, &bb_level))) goto error_status;
rf_level=0xffff-rf_level;
bb_level=0xffff-bb_level;
/*
#ifndef _HOST_DLL
uart_write_nr("St:");
uart_writedez(agc_current_state[num]);
uart_write_nr(" PD: ");
uart_writehex16(pd_value);
uart_write_nr(" AGC: ");
uart_writehex16(rf_level);
uart_writehex16(bb_level);
#endif
*/
next_state = *agc_current_state;
switch (*agc_current_state) {
case AGC_STATE_START : {
if ((int)lna_gain < LNAGAIN_MIN)
next_state=AGC_STATE_LNAGAIN_BELOW_MIN;
else if (lna_gain > LNAGAIN_MAX)
next_state=AGC_STATE_LNAGAIN_ABOVE_MAX;
else
next_state=AGC_STATE_NORMAL;
break;
}
case AGC_STATE_LNAGAIN_BELOW_MIN : {
if ((int)lna_gain < LNAGAIN_MIN )
next_state=AGC_STATE_LNAGAIN_BELOW_MIN;
else next_state=AGC_STATE_NORMAL;
break;
}
case AGC_STATE_LNAGAIN_ABOVE_MAX : {
if (lna_gain > LNAGAIN_MAX )
next_state=AGC_STATE_LNAGAIN_ABOVE_MAX;
else next_state=AGC_STATE_NORMAL;
break;
}
case AGC_STATE_NORMAL : {
if (rf_level > lin_on[band] ) {
*lna_gain_old = lna_gain;
next_state = AGC_STATE_MAS_GRANDE_SIGNAL;
}
else if (pd_value > pd_upper[band]) {
next_state = AGC_STATE_GRANDE_INTERFERER;
}
else if ( (pd_value < pd_lower[band]) && (lna_gain < LNAGAIN_MAX) ) {
next_state = AGC_STATE_NO_INTERFERER;
}
else if ( bb_level < sens_on[band]) {
next_state = AGC_STATE_SMALL_SIGNAL;
}
break;
}
case AGC_STATE_NO_INTERFERER : {
if (pd_value > pd_lower[band] )
next_state = AGC_STATE_MEDIUM_INTERFERER;
else if (pd_value < pd_lower[band] )
next_state = AGC_STATE_NORMAL;
else if ( lna_gain == LNAGAIN_MAX )
next_state = AGC_STATE_NORMAL;
break;
}
case AGC_STATE_MEDIUM_INTERFERER : {
if (pd_value > pd_upper[band] )
next_state = AGC_STATE_GRANDE_INTERFERER;
else if (pd_value < pd_lower[band] )
next_state = AGC_STATE_NO_INTERFERER;
break;
}
case AGC_STATE_GRANDE_INTERFERER : {
if (pd_value < pd_upper[band] )
next_state = AGC_STATE_MEDIUM_INTERFERER;
break;
}
case AGC_STATE_MAS_GRANDE_SIGNAL : {
if (rf_level < lin_on[band])
next_state = AGC_STATE_GRANDE_SIGNAL;
else if (pd_value > pd_upper[band]) {
next_state = AGC_STATE_GRANDE_INTERFERER;
}
break;
}
case AGC_STATE_MEDIUM_SIGNAL : {
if (rf_level > lin_off[band])
next_state = AGC_STATE_GRANDE_SIGNAL;
else if (lna_gain >= *lna_gain_old)
next_state = AGC_STATE_NORMAL;
else if (pd_value > pd_upper[band])
next_state = AGC_STATE_GRANDE_INTERFERER;
break;
}
case AGC_STATE_GRANDE_SIGNAL : {
if (rf_level > lin_on[band])
next_state = AGC_STATE_MAS_GRANDE_SIGNAL;
else if (rf_level < lin_off[band])
next_state = AGC_STATE_MEDIUM_SIGNAL;
else if (pd_value > pd_upper[band])
next_state = AGC_STATE_GRANDE_INTERFERER;
break;
}
case AGC_STATE_SMALL_SIGNAL : {
if (pd_value > pd_upper[band] )
next_state = AGC_STATE_GRANDE_INTERFERER;
else if (bb_level > sens_off[band])
next_state = AGC_STATE_NORMAL;
else if ( (bb_level < sens_on[band]) && (lna_gain == LNAGAIN_MAX) )
next_state = AGC_STATE_MAX_SENSITIVITY;
break;
}
case AGC_STATE_MAX_SENSITIVITY : {
if (bb_level > sens_off[band])
next_state = AGC_STATE_SMALL_SIGNAL;
break;
}
}
*agc_current_state = next_state;
switch (*agc_current_state) {
case AGC_STATE_LNAGAIN_BELOW_MIN : {
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_LNA_GAIN_INCR, LNAGAIN_MAX))) goto error_status;
break;
}
case AGC_STATE_LNAGAIN_ABOVE_MAX : {
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_LNA_GAIN_DECR, LNAGAIN_MIN))) goto error_status;
break;
}
case AGC_STATE_NORMAL : {
if(MT_IS_ERROR(demod_set_bbagclim(demod_handle,0))) goto error_status;
if (zin >= 2) {
zin -= 2;
if(MT_IS_ERROR(MT2266_SetReg(tuner_handle,0x1e,zin))) goto error_status;
}
break;
}
case AGC_STATE_NO_INTERFERER : {
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_LNA_GAIN_INCR, LNAGAIN_MAX))) goto error_status;
if (zin >= 2) {
zin -= 2;
if(MT_IS_ERROR(MT2266_SetReg(tuner_handle,0x1e,zin))) goto error_status;
}
if(MT_IS_ERROR(demod_set_bbagclim(demod_handle,0))) goto error_status;
break;
}
case AGC_STATE_MEDIUM_INTERFERER : {
if (zin >= 2) {
zin -= 2;
if(MT_IS_ERROR(MT2266_SetReg(tuner_handle,0x1e,zin))) goto error_status;
}
// Additional setting
// Set tuner with normal bandwidth.
if(MT_IS_ERROR(tuner_set_bw_normal(tuner_handle, demod_handle))) goto error_status;
break;
}
case AGC_STATE_GRANDE_INTERFERER : {
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_LNA_GAIN_DECR, LNAGAIN_MIN))) goto error_status;
if(MT_IS_ERROR(demod_set_bbagclim(demod_handle,1))) goto error_status;
// Additional setting
// Set tuner with narrow bandwidth.
if(MT_IS_ERROR(tuner_set_bw_narrow(tuner_handle, demod_handle))) goto error_status;
break;
}
case AGC_STATE_MEDIUM_SIGNAL : {
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_LNA_GAIN_INCR, LNAGAIN_MAX))) goto error_status;
if (zin >= 2) {
zin -= 2;
if(MT_IS_ERROR(MT2266_SetReg(tuner_handle,0x1e,zin))) goto error_status;
}
if(MT_IS_ERROR(demod_set_bbagclim(demod_handle,0))) goto error_status;
break;
}
case AGC_STATE_GRANDE_SIGNAL : {
if(MT_IS_ERROR(demod_set_bbagclim(demod_handle,0))) goto error_status;
break;
}
case AGC_STATE_MAS_GRANDE_SIGNAL : {
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_LNA_GAIN_DECR, LNAGAIN_MIN))) goto error_status;
if (lna_gain==0) {
if (zin <= 64) {
zin += 2;
if(MT_IS_ERROR(MT2266_SetReg(tuner_handle,0x1e,zin))) goto error_status;
}
}
if(MT_IS_ERROR(demod_set_bbagclim(demod_handle,0))) goto error_status;
break;
}
case AGC_STATE_SMALL_SIGNAL : {
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_LNA_GAIN_INCR, LNAGAIN_MAX))) goto error_status;
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_UHF_NORMAL,1))) goto error_status;
if (zin >= 2) {
zin -= 2;
if(MT_IS_ERROR(MT2266_SetReg(tuner_handle,0x1e,zin))) goto error_status;
}
if(MT_IS_ERROR(demod_set_bbagclim(demod_handle,0))) goto error_status;
*uhf_sens=0;
break;
}
case AGC_STATE_MAX_SENSITIVITY : {
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle,MT2266_UHF_MAXSENS,1))) goto error_status;
if (zin >= 2) {
zin -= 2;
if(MT_IS_ERROR(MT2266_SetReg(tuner_handle,0x1e,zin))) goto error_status;
}
if(MT_IS_ERROR(demod_set_bbagclim(demod_handle,0))) goto error_status;
*uhf_sens=1;
break;
}
}
if(MT_IS_ERROR(MT2266_GetParam(tuner_handle, MT2266_LNA_GAIN,&lna_gain))) goto error_status;
*lna_config=(uint8_t)lna_gain;
/*
#ifndef _HOST_DLL
uart_write_nr(" LNA ");
uart_writedez(lna_gain);
uart_write_nr(" SENS ");
uart_writedez(*uhf_sens);
uart_write_nr(" Z ");
uart_writedez(zin);
uart_write(" ");
#endif
*/
return MT_OK;
error_status:
return MT_COMM_ERR;
}
UData_t
tuner_set_bw_narrow(
handle_t tuner_handle,
handle_t demod_handle
)
{
DVBT_DEMOD_MODULE *pDemod;
int DemodBandwidthMode;
unsigned long AciDetInd;
unsigned int TunerBandwidthHz;
unsigned int TargetTunerBandwidthHz;
// Get demod module.
pDemod = (DVBT_DEMOD_MODULE *)demod_handle;
// Get demod bandwidth mode.
if(pDemod->GetBandwidthMode(pDemod, &DemodBandwidthMode) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Get demod ACI_DET_IND.
if(pDemod->GetRegBitsWithPage(pDemod, DVBT_ACI_DET_IND, &AciDetInd) != FUNCTION_SUCCESS)
goto error_status_get_registers;
// Determine tuner target bandwidth according to ACI_DET_IND.
if(AciDetInd == 0x1)
{
// Choose narrow target bandwidth.
switch(DemodBandwidthMode)
{
case DVBT_BANDWIDTH_6MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_5MHZ; break;
case DVBT_BANDWIDTH_7MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_6MHZ; break;
default:
case DVBT_BANDWIDTH_8MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_7MHZ; break;
}
}
else
{
// Choose normal target bandwidth.
switch(DemodBandwidthMode)
{
case DVBT_BANDWIDTH_6MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_6MHZ; break;
case DVBT_BANDWIDTH_7MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_7MHZ; break;
default:
case DVBT_BANDWIDTH_8MHZ: TargetTunerBandwidthHz = MT2266_BANDWIDTH_8MHZ; break;
}
}
// Get tuner bandwidth.
if(MT_IS_ERROR(MT2266_GetParam(tuner_handle, MT2266_OUTPUT_BW, &TunerBandwidthHz)))
goto error_status_get_tuner_bandwidth;
// Set tuner bandwidth with normal setting according to demod bandwidth mode.
if(TunerBandwidthHz != TargetTunerBandwidthHz)
{
if(MT_IS_ERROR(MT2266_SetParam(tuner_handle, MT2266_OUTPUT_BW, TargetTunerBandwidthHz)))
goto error_status_set_tuner_bandwidth;
}
return MT_OK;
error_status_set_tuner_bandwidth:
error_status_get_tuner_bandwidth:
error_status_get_registers:
error_status_execute_function:
return MT_COMM_ERR;
}
/**
@see DVBT_NIM_FP_UPDATE_FUNCTION
*/
int
rtl2832_mt2266_UpdateFunction(
DVBT_NIM_MODULE *pNim
)
{
TUNER_MODULE *pTuner;
DVBT_DEMOD_MODULE *pDemod;
MT2266_EXTRA_MODULE *pMt2266Extra;
RTL2832_MT2266_EXTRA_MODULE *pRtl2832Mt2266Extra;
Handle_t Mt2266Handle;
UData_t Status;
// Get tuner module and demod module.
pTuner = pNim->pTuner;
pDemod = pNim->pDemod;
// Get tuner extra module and tuner handle.
pMt2266Extra = (MT2266_EXTRA_MODULE *)pTuner->pExtra;
pMt2266Extra->GetHandle(pTuner, &Mt2266Handle);
// Get NIM extra module.
pRtl2832Mt2266Extra = (RTL2832_MT2266_EXTRA_MODULE *)pNim->pExtra;
// Update demod particular registers.
if(pDemod->UpdateFunction(pDemod) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Enable demod DVBT_IIC_REPEAT.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IIC_REPEAT, 0x1) != FUNCTION_SUCCESS)
goto error_status_set_registers;
// Update demod and tuner register setting.
Status = demod_pdcontrol(
pDemod,
Mt2266Handle,
&pRtl2832Mt2266Extra->LnaConfig,
&pRtl2832Mt2266Extra->UhfSens,
&pRtl2832Mt2266Extra->AgcCurrentState,
(uint32_t *)&pRtl2832Mt2266Extra->LnaGainOld
);
if(MT_IS_ERROR(Status))
goto error_status_execute_function;
// Disable demod DVBT_IIC_REPEAT.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IIC_REPEAT, 0x0) != FUNCTION_SUCCESS)
goto error_status_set_registers;
return FUNCTION_SUCCESS;
error_status_execute_function:
error_status_set_registers:
return FUNCTION_ERROR;
}
/**
@see DVBT_NIM_FP_SET_PARAMETERS
*/
int
rtl2832_mt2266_SetParameters(
DVBT_NIM_MODULE *pNim,
unsigned long RfFreqHz,
int BandwidthMode
)
{
TUNER_MODULE *pTuner;
DVBT_DEMOD_MODULE *pDemod;
MT2266_EXTRA_MODULE *pMt2266Extra;
Handle_t Mt2266Handle;
unsigned long BandwidthHz;
RTL2832_MT2266_EXTRA_MODULE *pRtl2832Mt2266Extra;
UData_t Status;
// Get tuner module and demod module.
pTuner = pNim->pTuner;
pDemod = pNim->pDemod;
// Get tuner extra module.
pMt2266Extra = (MT2266_EXTRA_MODULE *)pTuner->pExtra;
// Get tuner handle.
Mt2266Handle = pMt2266Extra->DeviceHandle;
// Get NIM extra module.
pRtl2832Mt2266Extra = (RTL2832_MT2266_EXTRA_MODULE *)pNim->pExtra;
// Enable demod DVBT_IIC_REPEAT.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IIC_REPEAT, 0x1) != FUNCTION_SUCCESS)
goto error_status_set_registers;
// Set tuner RF frequency in Hz.
if(pTuner->SetRfFreqHz(pTuner, RfFreqHz) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Determine BandwidthHz according to bandwidth mode.
switch(BandwidthMode)
{
default:
case DVBT_BANDWIDTH_6MHZ: BandwidthHz = MT2266_BANDWIDTH_6MHZ; break;
case DVBT_BANDWIDTH_7MHZ: BandwidthHz = MT2266_BANDWIDTH_7MHZ; break;
case DVBT_BANDWIDTH_8MHZ: BandwidthHz = MT2266_BANDWIDTH_8MHZ; break;
}
// Set tuner bandwidth in Hz with BandwidthHz.
if(pMt2266Extra->SetBandwidthHz(pTuner, BandwidthHz) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Disable demod DVBT_IIC_REPEAT.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IIC_REPEAT, 0x0) != FUNCTION_SUCCESS)
goto error_status_set_registers;
// Set demod bandwidth mode.
if(pDemod->SetBandwidthMode(pDemod, BandwidthMode) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Reset demod particular registers.
if(pDemod->ResetFunction(pDemod) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Reset demod by software reset.
if(pDemod->SoftwareReset(pDemod) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Enable demod DVBT_IIC_REPEAT.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IIC_REPEAT, 0x1) != FUNCTION_SUCCESS)
goto error_status_set_registers;
// Reset MT2266 update procedure.
Status = demod_pdcontrol_reset(pDemod, Mt2266Handle, &pRtl2832Mt2266Extra->AgcCurrentState);
if(MT_IS_ERROR(Status))
goto error_status_execute_function;
// Disable demod DVBT_IIC_REPEAT.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IIC_REPEAT, 0x0) != FUNCTION_SUCCESS)
goto error_status_set_registers;
return FUNCTION_SUCCESS;
error_status_execute_function:
error_status_set_registers:
return FUNCTION_ERROR;
}
/**
@see DVBT_NIM_FP_UPDATE_FUNCTION
*/
int
rtl2832_mt2266_UpdateFunction(
DVBT_NIM_MODULE *pNim
)
{
TUNER_MODULE *pTuner;
DVBT_DEMOD_MODULE *pDemod;
MT2266_EXTRA_MODULE *pTunerExtra;
RTL2832_MT2266_EXTRA_MODULE *pNimExtra;
Handle_t Mt2266Handle;
UData_t Status;
// Get tuner module and demod module.
pTuner = pNim->pTuner;
pDemod = pNim->pDemod;
// Get tuner extra module and tuner handle.
pTunerExtra = &(pTuner->Extra.Mt2266);
pTunerExtra->GetHandle(pTuner, &Mt2266Handle);
// Get NIM extra module.
pNimExtra = &(pNim->Extra.Rtl2832Mt2266);
// Update demod particular registers.
if(pDemod->UpdateFunction(pDemod) != FUNCTION_SUCCESS)
goto error_status_execute_function;
// Enable demod DVBT_IIC_REPEAT.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IIC_REPEAT, 0x1) != FUNCTION_SUCCESS)
goto error_status_set_registers;
// Update demod and tuner register setting.
Status = demod_pdcontrol(
pDemod,
Mt2266Handle,
&pNimExtra->LnaConfig,
&pNimExtra->UhfSens,
&pNimExtra->AgcCurrentState,
&pNimExtra->LnaGainOld
);
/*
handle_t demod_handle,
handle_t tuner_handle,
unsigned char* lna_config,
unsigned char* uhf_sens,
unsigned char *agc_current_state,
unsigned long *lna_gain_old
unsigned char LnaConfig;
unsigned char UhfSens;
unsigned char AgcCurrentState;
unsigned long LnaGainOld;
*/
if(MT_IS_ERROR(Status))
goto error_status_execute_function;
// Disable demod DVBT_IIC_REPEAT.
if(pDemod->SetRegBitsWithPage(pDemod, DVBT_IIC_REPEAT, 0x0) != FUNCTION_SUCCESS)
goto error_status_set_registers;
return FUNCTION_SUCCESS;
error_status_execute_function:
error_status_set_registers:
return FUNCTION_ERROR;
}
