Konfiguracja parametrów modułu COFDM Komendy UART AT

Wersja 2.2

Version update record

Wersja	Update date	opisać
1.0	2016-10-24	wersja pierwotna
1.1	2016-11-1	ATDR reply differentiation
1.2	2016-12-26	moduł
1.3	2017-2-14	ATSE and ATGE add audio
1.4	2017-2-28	switches
1.5	2017-3-27	Add ATSP protocol
1.6	2017-4-19	Add ATST and ATGT protocols
1.7	2017-5-18	ATGE instruction adds AES status
1.8	2017-9-12	acquisition
1.9	2018-3-15	Add ATGB protocol
2.0	2019-6-25	Add AV and HDMI output control to the receiving end. Supports obtaining the current AV output format Added ATSU and ATGU instructions Added ATOSD, ATSIP, ATGIP instructions
2.1	2020-3-23	Modify ATSE and ATSR instructions Added ATSTS and ATGTS instructions
2.2	2023-11-22	Added ATSAI and ATGAI commands Added ATSAE and ATGAE instructions Add ATSF command

When using our COFDM transceiver module, users may need to modify the configuration parameters of the module. In order to simplify the user’s operation, we design the parameter configuration into a few simple AT commands. The user only needs to use the specified AT command and pass the corresponding parameters to complete the parameter setting of the COFDM module.

1.1 Command introduction

The AT command to configure COFDM module parameters starts with NA and ends with an underscore _. Each AT command has several or no parameters, and each AT command has a return value.

Users can configure the serial port of the COFDM module (TTL level, 3.3V) and the module parameters. Używać Serial port debugging assistant (tryb tekstowy) to send AT commands, the default serial port configuration:

• Port szeregowy: COM25
• Szybkość transmisji: 9600
• Parytet: Nic
• Zatrzymaj bit: 1 fragment
• Sending Mode: Text Mode
• Example Command: ATGD_

1.2 Command classification

1.2.1 By function

Typ	Komendy AT
Query command	ATDR, ATGD, ATGE, ATGI, ATGR, ATGT, ATGB, ATGU, ATGIP, ATGTS, ATGAI, ATGAE
Setup instructions	ATSD, ATSF, ATSG, ATSM, ATSE, ATSI, ATSO, ATSR, ATSP, AST, ATSU, ATOSD, ATSIP, ATSTS, ATSAI, ATSAE

1.2.2 By power-off save

Typ	Komendy AT
Power-off save command	ATSD, ATSE, ATSI, ATSO, ATSR, ATSP, AST, ATSU, ATSIP, ATSTS, ATSAI, ATSAE
Commands are not saved when power is off	ATSF, ATSG, ATSM, ATOSD

1.2.3 By configuration objects

Typ	Komendy AT
Sender configuration command	ATDR、ATSD、ATGD、ATSF、ATSG、ATSM、ATSE、ATGE、ATSI、ATGI、ATSO、ATSP、AST、ATGT、ATSU、ATGU、ATOSD、ATSTS、ATSAI、ATGAI、ATSAE、ATGAE
Receiver configuration command	ATDR、ATSR、ATGR、ATSP、AST、ATGT、ATGB、ATSIP、ATGIP、ATSTS

1.3 Command details

1. 3.1 ping command

Format	ATDR_
parametr	nic
używać	Used for integrated systems to do device self-tests and identify connected modules.
return value	Transmitter returns the “device profile” string
	Receiver-SUE1 returns “ATDRSUE1 OK” string
	Receiver-SHD1 returns “ATDRSHD1 OK” string
Uwaga	Query command

1.3. 2 set device command

Format	ATSD$(mimo),$(gi),$(code_rate),$(constellation),$(freq(kHz)),$(bw(kHz)),$(tx1_gain), $(tx2_gain)_ Na przykład: ATSD0,1,0,0,800000,8000,86.0,86.0_
parametr	Single antenna/dual antenna mimo: 0 mimo disable; 1 mimo enable
	Guard interval GI: 0 1/32; 1 1/16; 2 1/8; 3 1/4
	Convolution code rate code rate: 0 1/2; 1 2/3; 2 3/4; 3 5/6; 4 7/8;
	Constellation constellation: 0 QPSK; 1 QAM16; 2 QAM64;
	Transmitter carrier center frequency freq (kHz) 70000~3000000 (70MHz~3GHz, 1KHz step)
	Transmitter channel bandwidth bw (kHz) 2000~8000 (2MHz~8MHz, 1KHz step)
	Transmitting antenna 1 gain tx1_gain 0.0~89.75dB, 0.25dB step
	Turn off antenna 2 gain tx2_gain 0.0~89.75dB, 0.25dB step
używać	Used to set various parameters of the device (sender)
return value	Na przykład: ATSD0,1,0,0,800000,8000,86.0,86.0_ SISO,żołnierz amerykański:1/16,CR:1/2,MOD:QPSK,freq:800000kHz,bw:8000kHz,tx1_gain:86.000000 tx2_gain:86.000000 OK
Uwaga	Set the command and save it after power off. Data rate calculation formulas corresponding to different bandwidths, guard intervals, convolutional code rates, and constellations. Air interface rate Rate(MB/s) = (BandWidth(MHz) * 8.0/7.0) / (1+żołnierz amerykański) * 1512/2048 * log2(constellation point) * code_rate * 188/204. Taking 8MHz bandwidth as an example, different guard intervals, convolutional code rates, constellation corresponding data rates, and required receiving signal-to-noise ratios.

1.3.3 set gain command

Format	ATSG$( tx1_gain),$( tx1_gain)_ Na przykład: ATSG85.0,85.0_
parametr	tx1_gain: Nadajnik 1 osiągać
	tx2_gain: Nadajnik 2 osiągać
używać	Used to dynamically adjust the output power. Na przykład, when the SNR/RSSI of the receiving end signal is high, the output power can be reduced through the remote control link. When the SNR/RSSI of the receiving end signal is low, the output power can be increased (nadajnik).
return value	Na przykład: ATSG85.0,85.0_ set gain 85.000000 85.000000 OK
Uwaga	The setting command will not be saved when the power is turned off.

1.3.4 set modulation mode command

Format	ATSM$(gi), $(code_rate), $(constellation)_ Na przykład: ATSM1,1,2_
parametr	Guard interval GI: 0 1/32; 1 1/16; 2 1/8; 3 1/4;
	Convolution code rate code rate: 0 1/2; 1 2/3; 2 3/4; 3 5/6; 4 7/8;
	Constellation constellation: 0 QPSK; 1 QAM16; 2 QAM64;
używać	Dynamically adjust the air interface rate. You can adjust the air interface rate to a higher rate when at a short distance, and lower the air interface rate at a long distance (sending end).
return value	Na przykład: ATSM1,1,2_ GI:1/16,CR:2/3,MOD:QAM64,OK
Uwaga	The setting command will not be saved when the power is turned off.

1.3.5 get device status command

Format	ATGD_
parametr	nic
używać	Used to query the current number of transmitting antennas, przerwa ochronna, convolutional code rate, number of constellations, transmitting frequency, pasmo, and gain parameters (nadajnik)
return value	Na przykład: ATGD_ SISO,żołnierz amerykański:1/16,CR:1/2,MOD:QPSK,freq:800000kHz,bw:8000kHz,tx1_gain:86.000000 tx2_gain:86.000000 OK
Uwaga	Query command

1.3.6 set encoder command

Format	ATSE$(tryb),$(rt),$(szybkość transmisji),$(gop),$(audio)_ Na przykład: ATSE0,0,0.0,0,0_
parametr	Mode options mode: 0 h264; 1 h265
	Low latency option rt: 0 normal latency; 1 niskie opóźnienie; (requires the receiving end to also turn on this option at the same time for paired use)
	szybkość transmisji: 0 let system decide; >0 specify bitrate(float)
	I frame interval gop: 0 let system decide; >0 specify gop
	Audio encoding options audio: 0 disable; 1 włączać
używać	Used to set encoding parameters (sender)
return value	Na przykład: ATSE0,0,0.0,0,0_ MODE:0,RT:0,szybkość transmisji: 0.0Mb/s,gop:0,audio:0,OK
Uwaga	Set the command and save it after power off. Only some models support low-latency option settings (please consult the supplier for details)

1.3.7 get encoder command

Format	ATGE_
parametr	nic
używać	Used to query encoding parameters (sender)
return value	Na przykład: ATGE_ MODE:0,RT:0,szybkość transmisji:4.0Mb/s,gop:10,audio:0,aes:0,OK
Uwaga	1. Query command 2. The aes parameter indicates the current encryption status: 0 disable; 1 enable1

1.3.8 get input command

Format	ATGI_
parametr	nic
używać	Used to query the current camera input parameters (sender)
return value	Na przykład: ATGI_ input_size:1080P,input_rate: 60fps,sensor_type:hdmi,OK
Uwaga	Query command

1.3.9 set input command

Format	ATSI$(input_size),$(input_rate)_ Na przykład: ATSI1080,25_
parametr	Input resolution input_size: 0 let system detect; >0 specify input size
	Input frame rate input_rate: 0 let system detect; >0 specify input fps
używać	Used to specify input resolution and frame rate to meet some special signal sources or some special application needs (sending end)
return value	Na przykład: ATSI1080,25_ input_size:1080P,input_rate: 25fps,OK
Uwaga	1、 After the user specifies the input resolution and frame rate through this command, the system will no longer detect the signal source (Use with caution） 2、 Users can restore the default through the following command: ATSI0,0_ 3. Set the command and save it after power off.

1.3.10 set output command

Format	ATSO$(output_size),$(output_rate)_ Na przykład: ATSO720,30_
parametr	Sender: encoding output resolution output_size: 0 equal to input_size; >0 specify output size Receiving end: HDMI output resolution (720, 1080)
	Sender: encoding output frame rate output_rate: 0 equal to input_rate; >0 specify output_rate( fps) Receiving end: HDMI output frame rate 720p supports frame rate (50, 60); 1080p supports frame rate (24, 25, 30, 50, 60)
używać	Sending end: used to specify the encoding output resolution and frame rate to meet the scaling and frame reduction requirements of certain applications. Odbiornik: used to configure the resolution and frame rate of HDMI output
return value	Na przykład: ATSO720,30_ output_size:720P,output_rate: 30fps,OK
Uwaga	1. For HDMI input, this command is invalid when AV input 2、output_size <= input_size；output_rate<=input_rate 3. Set the command and save it after power off.

1.3.11 set user command

Format	ATSU$(vin),$(aj)_ Na przykład: ATSU0,1_
parametr	Video input selection vin: 0 let the system detect;1 force cvbs input;2 force hdmi/sdi input Audio input selection ain: 0 let system detect; 1 force analog input
używać	Used to meet specific application requirements (Na przykład: HDMI/SDI input video, MIC input audio)
return value	Na przykład: ATSU0,1_ ATSU0,1 OK
Uwaga	1、 Set the command and save it after power off.

1.3.12 get user command

Format	ATGU _ Na przykład: ATGU_
paramet er	nic
używać	Used to query user-specific configuration
return value	Na przykład: ATGU_ ATGU0,1 OK
Uwaga	1、 Query command 2、 Please refer to ATSU command for return parameter description.

1.3.13 set audio input command

Format	ATSAI$(lin),$(ain_vol) _ Na przykład: ATSAI0,50_
parametr	Analog audio input mode selection lin: 0 mic in; 1 line in Analog audio input volume control ain_vol: mic_in recommended 50; line in recommended 0
używać	Used to set analog audio input parameters
return value	Na przykład: RELEASED0.50_ FREE 0.50 OK
Uwaga	1、 Set the command and save it after power off. 2、 ain_vol setting range [-78, 80] 3、 Not all models support this command

1.3.14 get audio input command

Format	ATGAI _ Na przykład: ATGAI_
parametr	nic
używać	Used to query analog audio input configuration
return value	Na przykład: ATGAI_ ATGAI0.50 OK
Uwaga	1、 Query command 2、 Please refer to ATSA command for return parameter description. 3、 Not all models support this command

1.3.15 set receiver command

Format	ATSR$(freq), $(bw), $(rt), $(cvbs)_ Na przykład: ATSR320000,6000,0,0_
parametr	DR2C carrier center frequency freq (kHz) 161000~860000 (161MHz ~ 860 MHz, 1KHz step)
	DR2C channel bandwidth bw (kHz)               2000~8000(2MHz~8MHz, 1KHz step)
	Low latency option rt: 0 normal latency; 1 niskie opóźnienie; (requires the transmitter to also turn on this option at the same time for paired use)
	AV output format cvbs: 0 pal; 1 ntsc
używać	Used to set receiver parameters
return value	Na przykład: ATSR320000,6000,0,0_ ATSR320000,6000,0,0 OK
Uwaga	1、 Set the command and save it after power off. 2. Only some models support low-latency option settings (please consult the supplier for details)

1.3.16 get receiver command

Format	ATGR_
parametr	nic
używać	Used to query the receiving end parameters
return value	Na przykład: ATGR_ ATGR320000,6000,0,aes:0,cvbs:0 OK
Uwaga	1、 Query command 2、 The aes parameter indicates the current encryption status: 0 disable; 1 włączać 3、 The cvbs parameter indicates the current AV output format: 0 pal; 1 ntsc

1.3.17 get bit error rate command

Format	ATGB_
parametr	nic
używać	Used to query the bit error rate and signal strength of the dual antennas at the receiving end
return value	Na przykład: ATGB_ ATGB ber1:0.00% ber2:0.00% RSSI1:54 RSSI2:53 Lock1:1 Lock2:1 OK
Uwaga	1、 Query command 2、 ber1 and ber2 respectively represent the bit error rate of each antenna, począwszy od 0.0% do 100.0% 3、 RSSI1 and RSSI2 respectively represent the signal strength of each antenna, począwszy od 0 do 100. 4、 Lock1 and Lock2 respectively represent the signal locking status of each antenna (1 represents signal locking)

1.3.18 set ip address command

Format	ATSIP$(ip), $(ip) _ Na przykład: ATSIP192.168.1.215,192.168.1.215_
parametr	Local IP address
	Local IP address (powtórz, aby potwierdzić)
używać	Used to set the receiving IP address
return value	Na przykład: ATSIP192.168.1.215,192.168.1.215_ ATSIP192.168.1.215 OK
Uwaga	After setting the IP address, the receiving end needs to be restarted to take effect.Set the command and save it after power off.

1.3.19 Get IP address command

Format	ATGIP_ Na przykład: ATGIP_
parametr	nic
używać	Used to query the current IP address of the receiving end
return value	Na przykład: ATGIP_ ATGIP192.168.0.215 OK
Uwaga	Query command

1.3.20 set password command

Format	ATSP$(hasło), $(hasło) _ Na przykład: ATSP123456,123456_
parametr	Hasło klucza AES: 6-cyfrowe hasło (ASCII)
	Hasło klucza AES: 6-cyfrowe hasło (ASCII) (powtórz, aby potwierdzić)
używać	Used to set the AES key of the transceiver and receiver
return value	Na przykład: ATSP123456,123456_ ATSP123456 OK
Uwaga	When the password is all 0s, turn off AES encryption.Set the command and save it after power off.

1.3.21 set data transfer command

Format	ATST$(szybkość transmisji), $( parity) _ Na przykład: ATST115200,0_
parametr	szybkość transmisji: 1200、2400、4800、9600、19200、38400、57600、115200
	Check parity: 0: Nic; 1:Dziwne; 2:Nawet
używać	Used to set the baud rate and check bit of the data transparent transmission serial port
return value	Na przykład: ATST115200,0_ ATST115200,0 OK
Uwaga	Ustaw polecenie

1.3.22 get data transfer command

Format	Traffic safety_
parametr	nic
używać	Used to query the baud rate and check digit of the data transparent transmission serial port
return value	Na przykład: Traffic safety_ ATGT115200,0 OK
Uwaga	Query command

1.3.23 OSD overlay protocol

Format	ATOSD$(idx),$(X),$(i),$(ul)_ Na przykład: ATOSD0,40,20,height: 100M_
parametr	idx index: 0~7 (supports OSD overlay of 8 areas) x coordinate: 0~1919 y coordinate:0~1079 str: string to be displayed at the corresponding coordinates (The space symbol is used to clear the display)
używać	Used to overlay user OSD information on the video screen
return value	nic
Uwaga	1. The user specifies the x and y coordinates of the OSD display according to the maximum 1920×1080 pikseli, and the system will correct the coordinates according to the actual display situation. 2、The str parameter cannot contain the ‘_’ character

1.4         Customer project customization commands

The following commands are AT commands added for customer-customized projects, commands that must be supported by non-conventional shipping firmware.

1.4.1 set frequency command

Format	ATSF$(freq)_ Na przykład: ATSF750000_
parametr	Transmitter carrier center frequency freq (kHz) 200000~2700000 (200MHz~2.7GHz, 1KHz step)
używać	Dynamically modify the center frequency, effective immediately (sender)
return value	Na przykład: ATSF750000_ set freq 750000 OK
Uwaga	1、 Setting command will not be saved after power off

1.4.2 set audio encoder command

Format	FALSE$(audio_bitrate) _ Na przykład: ATSAE64.0_
parametr	Audio bitrate audio_bitrate: unit Kbps (float)
używać	Used to set the audio encoding bit rate
return value	Na przykład: ATSAE64.0_ ATSAE64.0Kbps OK
Uwaga	1、 Set the command and save it after power off.

1.4.3 get audio encoder command

Format	ATGAE_ Na przykład:ATGAE_
parametr	nic
używać	Used to query the audio encoding bit rate
return value	Na przykład: ATGAE_ ATGAE64.0Kbps OK
Uwaga	1、 Query command

1.4.4 set channel command

Format	ATSC$(chn), $( disp_num) _ Na przykład: ATSC0,1_
parametr	Display channel number 0~3(When displaying in four-split screen, it is used to specify the starting display channel.)
	Display mode 1: single-channel full-screen display; 4: four-split screen display
używać	Used to set the receiving end display mode and display channel (Quad-screen display or corresponding channel full-screen display)
return value	Na przykład: ATSC0,1_ ATSC0,1 OK
Uwaga	Ustaw polecenie

1.4.5 get channel command

Format	ATGC_
parametr	nic
używać	Used to query the receiving end display mode and display channel
return value	Na przykład: ATGC_ ATGC0,1 OK
Uwaga	Query command

1.4.6 get status command

Format	ATGS_
parametr	nic
używać	Used to query the status of the receiver
return value	Na przykład: ATGS_ ATGS RF:800.0MHz cz.b:4.0MHz MOD:QPSK CR:2/3 żołnierz amerykański:1/16 POWIETRZE:3.90Mbps AES:OFF SIG1:20 SIG2:0 BER1:0.00% BER2:22.03% Lock1:1 Lock2:1 REC OFF No Storage OK
Uwaga	1. Query command 2. AIR represents the air interface rate calculated based on the current wireless parameters (The actual transmission data bit rate shall not be higher than it) 3. SIG1 and SIG2 respectively represent the signal strength of each antenna, począwszy od 0 do 100. 4. BER1 and BER2 respectively represent the bit error rate of each antenna, począwszy od 0.0% do 100.0%. 5、 Lock1 and Lock2 respectively represent the signal locking status of each antenna (1 represents signal locking)

1.4.7 dson command

Format	ATDSON$(NA) _ Na przykład: ATDSON1_
parametr	Receiver OSD display switch
używać	Instead of using OSD buttons, use AT commands to control the receiving end OSD display.
return value	Na przykład: ATDSON1_ ATDSON1 OK
Uwaga	1、 Set the command and save it after power off.

1. set rec command

Format	ATSREC$(rec)_ Na przykład: ATSREC1_
parametr	Receiver recording initiation action 0: Close recording; 1: Start recording
używać	Replaces the REC button to initiate recording action
return value	Na przykład: ATSREC1_ ATSREC1 OK
Uwaga	1、 The setting command will not be saved when the power is turned off.

1.4.8 get rec command

Format	ATGREC _ Na przykład: ATGREC_
parametr	nic
używać	Used to query the last recording initiation action and the current recording status. Na przykład, when the storage device is not connected, the current recording status may be inconsistent with the recording initiation action.
return value	Na przykład: ATGREC_ ATGREC1,1 OK
Uwaga	1、 Query command 2、 For the description of return parameters, please refer to the introduction of the purpose.

1.4.9 set ts command

Format	ATSTS$(ts) _ Na przykład: ATSTS1_
parametr	Transport stream protocol ts: 0 our private protocol; 1 mpegts protocol
używać	Set transport stream protocol (Compatible with other people’s product needs)
return value	Na przykład: ATSTS1_ ATSTS1 OK
Uwaga	1、 Set the command and save it after power off.

1.4. 10 get ts command

Format	ATGTS_ Na przykład: ATGTS_
parametr	nic
używać	Used to query the currently used transport stream protocol
return value	Na przykład: ATGTS_ ATGTS1 OK
Uwaga	1. Query command 2. Please refer to the ATSTS command for return parameter description.

1.4. 11 set key command

Format	ATSK$(ckey)_ Na przykład: ATSK12345678abcdefghIJKLMNOP!@#$%^&*_
parametr	Aes key ckey:32 ascii characters，Wszystko ‘0’ means disabling aes encryption and decryption
używać	Used to set the key for aes encryption and decryption
return value	Na przykład: ATSK12345678abcdefghIJKLMNOP!@#$%^&*_ ATSK12345678abcdefghIJKLMNOP!@#$%^&* OK
Uwaga	After setting the key,Requires a reboot to take effectSet the command and save it after power off.

1.4.12 get sn command

Format	ATGSN_ Na przykład: ATGSN_
parametr	nic
używać	Used to obtain unique serial number
return value	Na przykład: ATGSN_ SN:e461c4518f221e2c OK
Uwaga	Query command

1.4.13 set reset command

Format	ATSRST$(reset)_ Na przykład: ATSRST1_
parametr	Receiver software reset command 0: No action; 1: Software reset
używać	Software restart system
return value	Na przykład: ATSRST1_ ATSRST1 OK
Uwaga	1、 The setting command will not be saved when the power is turned off.

2. Download PDF commands list