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| void | audioMute (uint8_t value) |
| | Mutes the audio output.
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| void | bassTrebleDown () |
| | Less treble, more bass.
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| void | bassTrebleUp () |
| | More treble, less bass.
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| void | changeVolume (char) |
| | Up or down the sound volume level.
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| void | debugDevice (uint16_t resetPin, uint16_t interruptPin, uint8_t defaultBand, void(*showFunc)(char *msg)) |
| | Used to debug
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| bool | detectDevice () |
| | Checks communication with SI4844 via I2C.
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| char * | getBandMode () |
| | Get the Band Mode.
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| void | getCommandResponse (int response_size, uint8_t *response) |
| | Returns with the command response.
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| bool | getDataStatusInterruptFromDevice () |
| | Get the Data Status From Device.
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| si4844_firmware_response * | getFirmware (void) |
| | Get part number, chip revision, firmware, patch, and component revision numbers.
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| uint16_t | getFirmwareChipRevision () |
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| uint16_t | getFirmwareComponentMajorRevision () |
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| uint16_t | getFirmwareComponentMinorRevision () |
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| uint16_t | getFirmwareCTS () |
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| uint16_t | getFirmwareErr () |
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| uint16_t | getFirmwareMajorRevision () |
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| uint16_t | getFirmwareMinorRevision () |
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| uint16_t | getFirmwarePartNumber () |
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| uint16_t | getFirmwareReserved () |
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| float | getFrequency (void) |
| | Get the current frequency of the radio in KHz.
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| uint16_t | getProperty (uint16_t propertyNumber) |
| | Gets a given property from the SI4844.
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| si4844_status_response * | getStatus (void) |
| | Get tune freq, band, and others information, status of the device.
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| uint16_t | getStatusBandIndex () |
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| uint16_t | getStatusBandMode () |
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| uint16_t | getStatusBCFG0 () |
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| uint16_t | getStatusBCFG1 () |
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| uint16_t | getStatusCTS () |
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| uint16_t | getStatusHostPowerUp () |
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| uint16_t | getStatusHostReset () |
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| uint16_t | getStatusInformationReady () |
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| uint16_t | getStatusStationIndicator () |
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| uint16_t | getStatusStereo () |
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| char * | getStereoIndicator () |
| | Get the Stereo Indicator.
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| uint8_t | getVolume () |
| | Gets the current audio volume level.
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| uint8_t | getVolumeProperty () |
| | Gets the current volume value stored in SI4844 device.
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| bool | hasStatusChanged (void) |
| | Checks whether the SI4844 has its status changed.
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| void | powerDown (void) |
| | Power the device down.
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| void | powerUp (void) |
| | Power the device up.
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| void | reset (void) |
| | Resets the SI4844 device.
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| void | resetStatus (void) |
| | set the interrupr status to false. It will turn true after next interrupr
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| uint8_t | scanI2CBus (uint8_t *device, uint8_t limit) |
| | Scans the I2C bus and returns the addresses of the devices found.
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| void | sendCommand (uint8_t cmd, int parameter_size, const uint8_t *parameter) |
| | Sends a given command to the SI4844 device.
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| void | setAmSoftMuteMaxAttenuation (uint8_t value) |
| | Sets AM Soft Mute Max Attenuation..
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| void | setAmSoftMuteRate (uint8_t value) |
| | Sets the attack and decay rates when entering or leaving soft mute.
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| void | setAmSoftMuteSlope (uint8_t value) |
| | Configures attenuation slope during soft mute in dB attenuation per dB SNR below the soft mute SNR threshold.
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| void | setAmSoftMuteSnrThreshold (uint8_t value) |
| | Sets the SNR threshold to engage soft mute.
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| si4844_audiomode_status_response | setAudioMode (uint8_t audiomode, uint8_t fm_mono, uint8_t adjpt_attn, uint8_t adjpt_steo, uint8_t opcode) |
| | Set audio mode.
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| void | setAudioMute (bool on) |
| | Mutes the audio output.
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| void | setBand (byte) |
| | Sets a new band to the device.
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| void | setBassTreble (uint8_t bass_treble) |
| | Set the sound volume level, bass and treble.
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| void | setBlendThresholdStereoIndicator (uint16_t value) |
| | Sets the blend threshold for stereo indicator.
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| void | setCrystalOscillatorEnable (uint8_t XOSCEN) |
| | Sets Crystal Oscillator Enable.
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| void | setCrystalOscillatorStabilizationWaitTime (uint8_t XOWAIT) |
| | Sets Crystal Oscillator Stabilization Wait Time After Reset.
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| void | setCustomBand (uint8_t bandIndex, uint16_t botton, uint16_t top, uint8_t bandSpace, uint8_t dfband=0, uint8_t uni_am=0, uint8_t tvreq=0) |
| | This method allows you to customize the frequency range of a band.
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| void | setDefaultBandIndx (uint8_t bandidx) |
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| void | setFmDeemphasis (uint8_t value) |
| | Sets de-emphasis time constant.
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| void | setFmSoftMuteMaxAttenuation (uint8_t value) |
| | FM Soft Mute Maximum Attenuation.
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| void | setFmSoftMuteRate (uint8_t value) |
| | Sets the attack and decay rates when entering and leaving soft mute.
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| void | setFmSoftMuteSlope (uint8_t value) |
| | Configures attenuation slope during soft mute in dB attenuation per dB SNR below the soft mute SNR threshold.
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| void | setInterruptPin (int interruptPin) |
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| void | setProperty (uint16_t propertyNumber, uint16_t parameter) |
| | Sends (sets) property to the SI48XX.
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| void | setReferenceClockFrequency (uint16_t value) |
| | Sets the frequency of the REFCLK from the output of the prescaler.
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| void | setReferenceClockPrescaler (uint16_t value) |
| | Sets the number used by the prescaler to divide the external reference clock frequency down to the internal REFCLK.
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| void | setResetPin (uint16_t resetPin) |
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| void | setStatusInterruptFromDevice (bool value) |
| | Set the Data Status From Device.
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| void | setup (uint16_t resetPin, int interruptPin, byte defaultBand) |
| | Initiates the SI4844 instance and connect the device (SI4844) to Arduino.
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| void | setVolume (byte) |
| | Sets the volume level.
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| void | volumeDown (void) |
| | Decreases the volume level.
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| void | volumeUp (void) |
| | Increases the volume level.
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SI4844 Class.
This class implements all functions to help you to control the Si4844 devices.
1.9.6