762     MS_U8 u8NoisePowerH=0;  in _HAL_EXTERN_ATSC_CheckSignalCondition()  local
767     _I2C_READ_BYTE(0x1915, &u8NoisePowerH);  in _HAL_EXTERN_ATSC_CheckSignalCondition()
771         if (!_HAL_EXTERN_ATSC_Vsb_FEC_Lock()) u8NoisePowerH=0xFF;  in _HAL_EXTERN_ATSC_CheckSignalCondition()
772         else if (abs(u8NoisePowerH_Last-u8NoisePowerH) > 5)  in _HAL_EXTERN_ATSC_CheckSignalCondition()
773             u8NoisePowerH_Last = u8NoisePowerH;  in _HAL_EXTERN_ATSC_CheckSignalCondition()
774         else u8NoisePowerH = u8NoisePowerH_Last;  in _HAL_EXTERN_ATSC_CheckSignalCondition()
776         if (u8NoisePowerH > 0xBE) //SNR<14.5  in _HAL_EXTERN_ATSC_CheckSignalCondition()
778         else if (u8NoisePowerH > 0x4D) //SNR<18.4  in _HAL_EXTERN_ATSC_CheckSignalCondition()
780         else if (u8NoisePowerH > 0x23) //SNR<21.8  in _HAL_EXTERN_ATSC_CheckSignalCondition()
782         else if (u8NoisePowerH > 0x0A) //SNR<26.9  in _HAL_EXTERN_ATSC_CheckSignalCondition()
789         if (!_HAL_EXTERN_ATSC_QAM_Main_Lock()) u8NoisePowerH=0xFF;  in _HAL_EXTERN_ATSC_CheckSignalCondition()
790         else if (abs(u8NoisePowerH_Last-u8NoisePowerH) > 5)  in _HAL_EXTERN_ATSC_CheckSignalCondition()
791             u8NoisePowerH_Last = u8NoisePowerH;  in _HAL_EXTERN_ATSC_CheckSignalCondition()
792         else u8NoisePowerH = u8NoisePowerH_Last;  in _HAL_EXTERN_ATSC_CheckSignalCondition()
796             if (u8NoisePowerH > 0x13) //SNR<27.5  in _HAL_EXTERN_ATSC_CheckSignalCondition()
798             else if (u8NoisePowerH > 0x08) //SNR<31.2  in _HAL_EXTERN_ATSC_CheckSignalCondition()
800             else if (u8NoisePowerH > 0x06) //SNR<32.4  in _HAL_EXTERN_ATSC_CheckSignalCondition()
802             else if (u8NoisePowerH > 0x04) //SNR<34.2  in _HAL_EXTERN_ATSC_CheckSignalCondition()
809             if (u8NoisePowerH > 0x4C) //SNR<21.5  in _HAL_EXTERN_ATSC_CheckSignalCondition()
811             else if (u8NoisePowerH > 0x1F) //SNR<25.4  in _HAL_EXTERN_ATSC_CheckSignalCondition()
813             else if (u8NoisePowerH > 0x11) //SNR<27.8  in _HAL_EXTERN_ATSC_CheckSignalCondition()
815             else if (u8NoisePowerH > 0x07) //SNR<31.4  in _HAL_EXTERN_ATSC_CheckSignalCondition()
826     MS_U8 u8NoisePowerH = 0, u8NoisePowerL = 0;  in _HAL_EXTERN_ATSC_ReadSNRPercentage()  local
832     _I2C_READ_BYTE(0x1915, &u8NoisePowerH);  in _HAL_EXTERN_ATSC_ReadSNRPercentage()
834     u16NoisePower = (u8NoisePowerH<<8) | u8NoisePowerL;  in _HAL_EXTERN_ATSC_ReadSNRPercentage()