البرامج المعرفة للراديو - كيف يعمل؟ الجزء 7

// RN2483 Modem and LoRa Click test TX. Tested with Arduino M0 int reset = A2; int rts = 9; // CS int cts = 3; // INT // the setup routine runs once when you press reset: void setup() { Serial1.begin(57600); // Serial port to radio // output LED pin pinMode(LED_BUILTIN, OUTPUT); pinMode(cts, INPUT); pinMode(rts, OUTPUT); digitalWrite(rts, HIGH); // Reset rn2483 pinMode(reset, OUTPUT); digitalWrite(reset, LOW); delay(100); digitalWrite(reset, HIGH); delay(100); sendCommand("sys get ver\r\n"); sendCommand("sys get hweui\r\n"); sendCommand("mac pause\r\n"); sendCommand("radio set mod lora\r\n"); sendCommand("radio set pwr -3\r\n"); // the transceiver output power, from -3 to 15 sendCommand("radio set sf sf8\r\n"); // sf7..sf12, sf7 the fastest spreading factor but gives the shortest range // sendCommand("mac set dr 0\r\n"); // data rate: 0-4, 4 faster sendCommand("radio set freq 869100000\r\n"); // sendCommand("radio set afcbw 41.7\r\n"); sendCommand("radio set rxbw 125\r\n"); // sendCommand("radio set prlen 8\r\n"); sendCommand("radio set crc on\r\n"); // sendCommand("radio set iqi off\r\n"); sendCommand("radio set cr 4/8\r\n"); // sendCommand("radio set wdt 60000\r\n"); // disable for continuous reception // sendCommand("radio set sync 12\r\n"); sendCommand("radio set bw 125\r\n"); } void sendCommand(const char *cmd) { Serial1.print(cmd); String incoming = Serial1.readString(); // SerialUSB.print(cmd); // SerialUSB.println(incoming); } // the loop routine runs over and over again forever: void loop() { char data[64] = {0}; // hexadecimal value representing the data to be transmitted, from 0 to 255 bytes for LoRa modulation and from 0 to 64 bytes for FSK modulation. sprintf(data, "radio tx 1234\r\n"); sendCommand(data); if (msg_num > 10000) msg_num=0; digitalWrite(LED_BUILTIN, 1); delay(400); digitalWrite(LED_BUILTIN, 0); delay(600); } 

 import socket UDP_IP = "127.0.0.1" UDP_PORT = 40868 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # UDP sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) sock.bind((UDP_IP, UDP_PORT)) sock.settimeout(0.5) while True: try: data, addr = sock.recvfrom(128) # buffer size is 1024 bytes print("Msg:", ' '.join('{:02x}'.format(x) for x in data)) except socket.timeout: pass 

 <?xml version='1.0' encoding='utf-8'?> <?grc format='1' created='3.7.11'?> <flow_graph> <timestamp>Mon Jun 3 09:39:45 2019</timestamp> <block> <key>options</key> <param> <key>author</key> <value></value> </param> <param> <key>window_size</key> <value></value> </param> <param> <key>category</key> <value>[GRC Hier Blocks]</value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>description</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(8, 8)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>generate_options</key> <value>wx_gui</value> </param> <param> <key>hier_block_src_path</key> <value>.:</value> </param> <param> <key>id</key> <value>top_block</value> </param> <param> <key>max_nouts</key> <value>0</value> </param> <param> <key>qt_qss_theme</key> <value></value> </param> <param> <key>realtime_scheduling</key> <value></value> </param> <param> <key>run_command</key> <value>{python} -u {filename}</value> </param> <param> <key>run_options</key> <value>prompt</value> </param> <param> <key>run</key> <value>True</value> </param> <param> <key>thread_safe_setters</key> <value></value> </param> <param> <key>title</key> <value></value> </param> </block> <block> <key>variable</key> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(760, 12)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>bw</value> </param> <param> <key>value</key> <value>125000.0</value> </param> </block> <block> <key>variable</key> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(936, 12)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>code_rate</value> </param> <param> <key>value</key> <value>4</value> </param> </block> <block> <key>variable</key> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(848, 12)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>header</value> </param> <param> <key>value</key> <value>True</value> </param> </block> <block> <key>variable</key> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(680, 12)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>ldr</value> </param> <param> <key>value</key> <value>True</value> </param> </block> <block> <key>variable</key> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(400, 12)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>offset</value> </param> <param> <key>value</key> <value>-100000.0</value> </param> </block> <block> <key>variable</key> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(8, 76)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>samp_rate</value> </param> <param> <key>value</key> <value>1000000</value> </param> </block> <block> <key>variable</key> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(544, 12)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>spreading_factor</value> </param> <param> <key>value</key> <value>8</value> </param> </block> <block> <key>blocks_rotator_cc</key> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(416, 252)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>blocks_rotator_cc_0</value> </param> <param> <key>maxoutbuf</key> <value>0</value> </param> <param> <key>minoutbuf</key> <value>0</value> </param> <param> <key>phase_inc</key> <value>(2 * math.pi * offset) / samp_rate</value> </param> </block> <block> <key>blocks_socket_pdu</key> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(944, 452)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>host</key> <value>127.0.0.1</value> </param> <param> <key>id</key> <value>blocks_socket_pdu_0</value> </param> <param> <key>mtu</key> <value>10000</value> </param> <param> <key>maxoutbuf</key> <value>0</value> </param> <param> <key>minoutbuf</key> <value>0</value> </param> <param> <key>port</key> <value>40868</value> </param> <param> <key>tcp_no_delay</key> <value>False</value> </param> <param> <key>type</key> <value>"UDP_CLIENT"</value> </param> </block> <block> <key>import</key> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(296, 12)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>import_0</value> </param> <param> <key>import</key> <value>import math</value> </param> </block> <block> <key>lora_decode</key> <param> <key>alias</key> <value></value> </param> <param> <key>code_rate</key> <value>code_rate</value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>header</key> <value>header</value> </param> <param> <key>_coordinate</key> <value>(648, 452)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>lora_decode_0</value> </param> <param> <key>low_data_rate</key> <value>ldr</value> </param> <param> <key>maxoutbuf</key> <value>0</value> </param> <param> <key>minoutbuf</key> <value>0</value> </param> <param> <key>spreading_factor</key> <value>spreading_factor</value> </param> </block> <block> <key>lora_demod</key> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>fft_factor</key> <value>2</value> </param> <param> <key>beta</key> <value>25.0</value> </param> <param> <key>_coordinate</key> <value>(384, 452)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>lora_demod_0</value> </param> <param> <key>low_data_rate</key> <value>ldr</value> </param> <param> <key>maxoutbuf</key> <value>0</value> </param> <param> <key>minoutbuf</key> <value>0</value> </param> <param> <key>spreading_factor</key> <value>spreading_factor</value> </param> </block> <block> <key>pfb_arb_resampler_xxx</key> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>_enabled</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(656, 292)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>pfb_arb_resampler_xxx_0</value> </param> <param> <key>maxoutbuf</key> <value>0</value> </param> <param> <key>minoutbuf</key> <value>0</value> </param> <param> <key>nfilts</key> <value>32</value> </param> <param> <key>rrate</key> <value>bw/samp_rate</value> </param> <param> <key>samp_delay</key> <value>0</value> </param> <param> <key>atten</key> <value>100</value> </param> <param> <key>taps</key> <value></value> </param> <param> <key>type</key> <value>ccf</value> </param> </block> <block> <key>sdrplay_rsp2_source</key> <param> <key>agc_enabled</key> <value>False</value> </param> <param> <key>antenna</key> <value>'A'</value> </param> <param> <key>bw</key> <value>400</value> </param> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>dc_offset_mode</key> <value>True</value> </param> <param> <key>debug_enabled</key> <value>False</value> </param> <param> <key>device_serial</key> <value>'0'</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(144, 196)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>sdrplay_rsp2_source_0</value> </param> <param> <key>if_atten_db</key> <value>30</value> </param> <param> <key>ifType</key> <value>0</value> </param> <param> <key>iq_balance_mode</key> <value>True</value> </param> <param> <key>lna_atten_step</key> <value>3</value> </param> <param> <key>lo_mode</key> <value>1</value> </param> <param> <key>maxoutbuf</key> <value>0</value> </param> <param> <key>minoutbuf</key> <value>0</value> </param> <param> <key>rf_freq</key> <value>869.0e6</value> </param> <param> <key>sample_rate</key> <value>samp_rate</value> </param> </block> <block> <key>wxgui_fftsink2</key> <param> <key>avg_alpha</key> <value>0</value> </param> <param> <key>average</key> <value>False</value> </param> <param> <key>baseband_freq</key> <value>0</value> </param> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>fft_size</key> <value>1024</value> </param> <param> <key>freqvar</key> <value>None</value> </param> <param> <key>_coordinate</key> <value>(1000, 116)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>grid_pos</key> <value></value> </param> <param> <key>id</key> <value>wxgui_fftsink2_0</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>peak_hold</key> <value>False</value> </param> <param> <key>ref_level</key> <value>0</value> </param> <param> <key>ref_scale</key> <value>2.0</value> </param> <param> <key>fft_rate</key> <value>15</value> </param> <param> <key>samp_rate</key> <value>samp_rate</value> </param> <param> <key>title</key> <value>FFT Plot</value> </param> <param> <key>type</key> <value>complex</value> </param> <param> <key>win_size</key> <value></value> </param> <param> <key>win</key> <value>None</value> </param> <param> <key>y_divs</key> <value>10</value> </param> <param> <key>y_per_div</key> <value>10</value> </param> </block> <connection> <source_block_id>blocks_rotator_cc_0</source_block_id> <sink_block_id>pfb_arb_resampler_xxx_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>blocks_rotator_cc_0</source_block_id> <sink_block_id>wxgui_fftsink2_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>lora_decode_0</source_block_id> <sink_block_id>blocks_socket_pdu_0</sink_block_id> <source_key>out</source_key> <sink_key>pdus</sink_key> </connection> <connection> <source_block_id>lora_demod_0</source_block_id> <sink_block_id>lora_decode_0</sink_block_id> <source_key>out</source_key> <sink_key>in</sink_key> </connection> <connection> <source_block_id>pfb_arb_resampler_xxx_0</source_block_id> <sink_block_id>lora_demod_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>sdrplay_rsp2_source_0</source_block_id> <sink_block_id>blocks_rotator_cc_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> </flow_graph> 

 <?xml version='1.0' encoding='utf-8'?> <?grc format='1' created='3.7.11'?> <flow_graph> <timestamp>Mon Jun 3 09:39:45 2019</timestamp> <block> <key>options</key> <param> <key>author</key> <value></value> </param> <param> <key>window_size</key> <value></value> </param> <param> <key>category</key> <value>[GRC Hier Blocks]</value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>description</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(8, 8)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>generate_options</key> <value>wx_gui</value> </param> <param> <key>hier_block_src_path</key> <value>.:</value> </param> <param> <key>id</key> <value>top_block</value> </param> <param> <key>max_nouts</key> <value>0</value> </param> <param> <key>qt_qss_theme</key> <value></value> </param> <param> <key>realtime_scheduling</key> <value></value> </param> <param> <key>run_command</key> <value>{python} -u {filename}</value> </param> <param> <key>run_options</key> <value>prompt</value> </param> <param> <key>run</key> <value>True</value> </param> <param> <key>thread_safe_setters</key> <value></value> </param> <param> <key>title</key> <value></value> </param> </block> <block> <key>variable</key> <param> <key>comment</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(184, 12)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>samp_rate</value> </param> <param> <key>value</key> <value>1000000</value> </param> </block> <block> <key>lora_lora_receiver</key> <param> <key>bandwidth</key> <value>125000</value> </param> <param> <key>alias</key> <value></value> </param> <param> <key>crc</key> <value>True</value> </param> <param> <key>center_freq</key> <value>869e6</value> </param> <param> <key>channel_list</key> <value>[869.1e6]</value> </param> <param> <key>cr</key> <value>4</value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>conj</key> <value>False</value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>decimation</key> <value>1</value> </param> <param> <key>disable_channelization</key> <value>False</value> </param> <param> <key>disable_drift_correction</key> <value>False</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(456, 332)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>lora_lora_receiver_0</value> </param> <param> <key>implicit</key> <value>False</value> </param> <param> <key>maxoutbuf</key> <value>0</value> </param> <param> <key>minoutbuf</key> <value>0</value> </param> <param> <key>reduced_rate</key> <value>False</value> </param> <param> <key>samp_rate</key> <value>1e6</value> </param> <param> <key>sf</key> <value>8</value> </param> </block> <block> <key>lora_message_socket_sink</key> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(696, 364)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>lora_message_socket_sink_0</value> </param> <param> <key>ip</key> <value>127.0.0.1</value> </param> <param> <key>layer</key> <value>1</value> </param> <param> <key>port</key> <value>40868</value> </param> </block> <block> <key>sdrplay_rsp2_source</key> <param> <key>agc_enabled</key> <value>False</value> </param> <param> <key>antenna</key> <value>'A'</value> </param> <param> <key>bw</key> <value>400</value> </param> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>dc_offset_mode</key> <value>True</value> </param> <param> <key>debug_enabled</key> <value>False</value> </param> <param> <key>device_serial</key> <value>'0'</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(72, 148)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>id</key> <value>sdrplay_rsp2_source_0</value> </param> <param> <key>if_atten_db</key> <value>30</value> </param> <param> <key>ifType</key> <value>0</value> </param> <param> <key>iq_balance_mode</key> <value>True</value> </param> <param> <key>lna_atten_step</key> <value>3</value> </param> <param> <key>lo_mode</key> <value>1</value> </param> <param> <key>maxoutbuf</key> <value>0</value> </param> <param> <key>minoutbuf</key> <value>0</value> </param> <param> <key>rf_freq</key> <value>869.0e6</value> </param> <param> <key>sample_rate</key> <value>samp_rate</value> </param> </block> <block> <key>wxgui_fftsink2</key> <param> <key>avg_alpha</key> <value>0</value> </param> <param> <key>average</key> <value>True</value> </param> <param> <key>baseband_freq</key> <value>0</value> </param> <param> <key>alias</key> <value></value> </param> <param> <key>comment</key> <value></value> </param> <param> <key>affinity</key> <value></value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>fft_size</key> <value>1024</value> </param> <param> <key>freqvar</key> <value>None</value> </param> <param> <key>_coordinate</key> <value>(688, 108)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> <param> <key>grid_pos</key> <value></value> </param> <param> <key>id</key> <value>wxgui_fftsink2_0</value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>peak_hold</key> <value>True</value> </param> <param> <key>ref_level</key> <value>0</value> </param> <param> <key>ref_scale</key> <value>2.0</value> </param> <param> <key>fft_rate</key> <value>15</value> </param> <param> <key>samp_rate</key> <value>samp_rate</value> </param> <param> <key>title</key> <value>FFT Plot</value> </param> <param> <key>type</key> <value>complex</value> </param> <param> <key>win_size</key> <value></value> </param> <param> <key>win</key> <value>None</value> </param> <param> <key>y_divs</key> <value>10</value> </param> <param> <key>y_per_div</key> <value>10</value> </param> </block> <connection> <source_block_id>lora_lora_receiver_0</source_block_id> <sink_block_id>lora_message_socket_sink_0</sink_block_id> <source_key>frames</source_key> <sink_key>in</sink_key> </connection> <connection> <source_block_id>sdrplay_rsp2_source_0</source_block_id> <sink_block_id>lora_lora_receiver_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>sdrplay_rsp2_source_0</source_block_id> <sink_block_id>wxgui_fftsink2_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> 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