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Adafruit Si4713 Library
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#include "Arduino.h"#include <Adafruit_I2CDevice.h>Go to the source code of this file.
Classes | |
| class | Adafruit_Si4713 |
| Class that stores state and functions for interacting with Si4713 breakout. More... | |
Macros | |
| #define | SI4710_ADDR0 0x11 |
| if SEN is low | |
| #define | SI4710_ADDR1 0x63 |
| if SEN is high, default! | |
| #define | SI4710_STATUS_CTS 0x80 |
| read status | |
| #define | SI4710_CMD_POWER_UP 0x01 |
| analog/digital audio interface configuration. More... | |
| #define | SI4710_CMD_GET_REV 0x10 |
| Returns revision information on the device. | |
| #define | SI4710_CMD_POWER_DOWN 0x11 |
| Power down device. | |
| #define | SI4710_CMD_SET_PROPERTY 0x12 |
| Sets the value of a property. | |
| #define | SI4710_CMD_GET_PROPERTY 0x13 |
| Retrieves a property’s value. | |
| #define | SI4710_CMD_GET_INT_STATUS 0x14 |
| Read interrupt status bits. | |
| #define | SI4710_CMD_PATCH_ARGS 0x15 |
| Reserved command used for patch file downloads. | |
| #define | SI4710_CMD_PATCH_DATA 0x16 |
| Reserved command used for patch file downloads. | |
| #define | SI4710_CMD_TX_TUNE_FREQ 0x30 |
| Tunes to given transmit frequency. | |
| #define | SI4710_CMD_TX_TUNE_POWER 0x31 |
| Sets the output power level and tunes the antenna capacitor. | |
| #define | SI4710_CMD_TX_TUNE_MEASURE 0x32 |
| Measure the received noise level at the specified frequency. | |
| #define | SI4710_CMD_TX_TUNE_STATUS 0x33 |
| or TX Tune Measure command. More... | |
| #define | SI4710_CMD_TX_ASQ_STATUS 0x34 |
| Queries the TX status and input audio signal metrics. | |
| #define | SI4710_CMD_TX_RDS_BUFF 0x35 |
| buffer. More... | |
| #define | SI4710_CMD_TX_RDS_PS 0x36 |
| Set up default PS strings. | |
| #define | SI4710_CMD_GPO_CTL 0x80 |
| Configures GPO3 as output or Hi-Z. | |
| #define | SI4710_CMD_GPO_SET 0x81 |
| Sets GPO3 output level (low or high). | |
| #define | SI4713_PROP_GPO_IEN 0x0001 |
| Enables interrupt sources. | |
| #define | SI4713_PROP_DIGITAL_INPUT_FORMAT 0x0101 |
| Configures the digital input format. | |
| #define | SI4713_PROP_DIGITAL_INPUT_SAMPLE_RATE 0x0103 |
| is 0. More... | |
| #define | SI4713_PROP_REFCLK_FREQ 0x0201 |
| 34406 Hz, or 0 to disable the AFC. Default is 32768 Hz. More... | |
| #define | SI4713_PROP_REFCLK_PRESCALE 0x0202 |
| Sets the prescaler value for the reference clock. | |
| #define | SI4713_PROP_TX_COMPONENT_ENABLE 0x2100 |
| L-R enabled. More... | |
| #define | SI4713_PROP_TX_AUDIO_DEVIATION 0x2101 |
| increments. Default is 6285 (68.25 kHz). More... | |
| #define | SI4713_PROP_TX_PILOT_DEVIATION 0x2102 |
| Hz increments. Default is 675 (6.75 kHz) More... | |
| #define | SI4713_PROP_TX_RDS_DEVIATION 0x2103 |
| Hz increments. Default is 2 kHz. More... | |
| #define | SI4713_PROP_TX_LINE_LEVEL_INPUT_LEVEL 0x2104 |
| #define | SI4713_PROP_TX_LINE_INPUT_MUTE 0x2105 |
| Default is not muted. More... | |
| #define | SI4713_PROP_TX_PREEMPHASIS 0x2106 |
| Configures pre-emphasis time constant. Default is 0 (75 μS). | |
| #define | SI4713_PROP_TX_PILOT_FREQUENCY 0x2107 |
| Configures the frequency of the stereo pilot. Default is 19000 Hz. | |
| #define | SI4713_PROP_TX_ACOMP_ENABLE 0x2200 |
| Enables audio dynamic range control. Default is 0 (disabled). | |
| #define | SI4713_PROP_TX_ACOMP_THRESHOLD 0x2201 |
| is –40 dB. More... | |
| #define | SI4713_PROP_TX_ATTACK_TIME 0x2202 |
| (0.5 ms). More... | |
| #define | SI4713_PROP_TX_RELEASE_TIME 0x2203 |
| 4 (1000 ms). More... | |
| #define | SI4713_PROP_TX_ACOMP_GAIN 0x2204 |
| Sets the gain for audio dynamic range control. Default is 15 dB. | |
| #define | SI4713_PROP_TX_LIMITER_RELEASE_TIME 0x2205 |
| Sets the limiter release time. Default is 102 (5.01 ms) | |
| #define | SI4713_PROP_TX_ASQ_INTERRUPT_SOURCE 0x2300 |
| Default is none selected. More... | |
| #define | SI4713_PROP_TX_ASQ_LEVEL_LOW 0x2301 |
| threshold can be used to detect silence on the incoming audio. More... | |
| #define | SI4713_PROP_TX_ASQ_DURATION_LOW 0x2302 |
| the low threshold in order to detect a low audio condition. More... | |
| #define | SI4713_PROP_TX_AQS_LEVEL_HIGH 0x2303 |
| threshold can be used to detect activity on the incoming audio. More... | |
| #define | SI4713_PROP_TX_AQS_DURATION_HIGH 0x2304 |
| the high threshold in order to detect a high audio condition. More... | |
| #define | SI4713_PROP_TX_RDS_INTERRUPT_SOURCE 0x2C00 |
| Configure RDS interrupt sources. Default is none selected. | |
| #define | SI4713_PROP_TX_RDS_PI 0x2C01 |
| Sets transmit RDS program identifier. | |
| #define | SI4713_PROP_TX_RDS_PS_MIX 0x2C02 |
| Configures mix of RDS PS Group with RDS Group Buffer. | |
| #define | SI4713_PROP_TX_RDS_PS_MISC 0x2C03 |
| Miscellaneous bits to transmit along with RDS_PS Groups. | |
| #define | SI4713_PROP_TX_RDS_PS_REPEAT_COUNT 0x2C04 |
| transmitting the next PS mes- sage. More... | |
| #define | SI4713_PROP_TX_RDS_MESSAGE_COUNT 0x2C05 |
| Number of PS messages in use. | |
| #define | SI4713_PROP_TX_RDS_PS_AF 0x2C06 |
| #define | SI4713_PROP_TX_RDS_FIFO_SIZE 0x2C07 |
| written must be one larger than the desired FIFO size. More... | |
This is a library for the Si4713 breakout
Designed specifically to work with the Adafruit Si4713 breakout
Pick one up today in the adafruit shop! ---—> https://www.adafruit.com/product/1958
These transmitters use I2C to communicate, plus reset pin, 3 pins are required to interface
Adafruit invests time and resources providing this open source code, please support Adafruit andopen-source hardware by purchasing products from Adafruit!
Limor Fried/Ladyada (Adafruit Industries).
BSD license, all text above must be included in any redistribution
| #define SI4710_CMD_POWER_UP 0x01 |
analog/digital audio interface configuration.
Power up device and mode selection. Modes include FM transmit and
| #define SI4710_CMD_TX_TUNE_STATUS 0x33 |
or TX Tune Measure command.
Queries the status of a previously sent TX Tune Freq, TX Tune Power,
| #define SI4710_CMD_TX_RDS_BUFF 0x35 |
buffer.
Queries the status of the RDS Group Buffer and loads new data into
| #define SI4713_PROP_DIGITAL_INPUT_SAMPLE_RATE 0x0103 |
is 0.
Configures the digital input sample rate in 10 Hz steps. Default
| #define SI4713_PROP_REFCLK_FREQ 0x0201 |
34406 Hz, or 0 to disable the AFC. Default is 32768 Hz.
Sets frequency of the reference clock in Hz. The range is 31130 to
| #define SI4713_PROP_TX_COMPONENT_ENABLE 0x2100 |
L-R enabled.
Enable transmit multiplex signal components. Default has pilot and
| #define SI4713_PROP_TX_AUDIO_DEVIATION 0x2101 |
increments. Default is 6285 (68.25 kHz).
Configures audio frequency deviation level. Units are in 10 Hz
| #define SI4713_PROP_TX_PILOT_DEVIATION 0x2102 |
Hz increments. Default is 675 (6.75 kHz)
Configures pilot tone frequency deviation level. Units are in 10
| #define SI4713_PROP_TX_RDS_DEVIATION 0x2103 |
Hz increments. Default is 2 kHz.
Configures the RDS/RBDS frequency deviation level. Units are in 10
| #define SI4713_PROP_TX_LINE_LEVEL_INPUT_LEVEL 0x2104 |
Configures maximum analog line input level to the LIN/RIN pins to reach the maximum deviation level pro- grammed into the audio deviation property TX Audio Deviation. Default is 636 mVPK.
| #define SI4713_PROP_TX_LINE_INPUT_MUTE 0x2105 |
Default is not muted.
Sets line input mute. L and R inputs may be indepen- dently muted.
| #define SI4713_PROP_TX_ACOMP_THRESHOLD 0x2201 |
is –40 dB.
Sets the threshold level for audio dynamic range control. Default
| #define SI4713_PROP_TX_ATTACK_TIME 0x2202 |
(0.5 ms).
Sets the attack time for audio dynamic range control. Default is 0
| #define SI4713_PROP_TX_RELEASE_TIME 0x2203 |
4 (1000 ms).
Sets the release time for audio dynamic range control. Default is
| #define SI4713_PROP_TX_ASQ_INTERRUPT_SOURCE 0x2300 |
Default is none selected.
Configures measurements related to signal quality met- rics.
| #define SI4713_PROP_TX_ASQ_LEVEL_LOW 0x2301 |
threshold can be used to detect silence on the incoming audio.
Configures low audio input level detection threshold. This
| #define SI4713_PROP_TX_ASQ_DURATION_LOW 0x2302 |
the low threshold in order to detect a low audio condition.
Configures the duration which the input audio level must be below
| #define SI4713_PROP_TX_AQS_LEVEL_HIGH 0x2303 |
threshold can be used to detect activity on the incoming audio.
Configures high audio input level detection threshold. This
| #define SI4713_PROP_TX_AQS_DURATION_HIGH 0x2304 |
the high threshold in order to detect a high audio condition.
Configures the duration which the input audio level must be above
| #define SI4713_PROP_TX_RDS_PS_REPEAT_COUNT 0x2C04 |
transmitting the next PS mes- sage.
Number of times to repeat transmission of a PS message before
| #define SI4713_PROP_TX_RDS_PS_AF 0x2C06 |
RDS Program Service Alternate Fre- quency. This provides the ability to inform the receiver of a single alternate frequency using AF Method A coding and is transmitted along with the RDS_PS Groups.
| #define SI4713_PROP_TX_RDS_FIFO_SIZE 0x2C07 |
written must be one larger than the desired FIFO size.
Number of blocks reserved for the FIFO. Note that the value
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