[SX126x] Rename LR-FHSS modem example to transmit
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jgromes
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2 changed files with 113 additions and 96 deletions
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/*
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RadioLib SX126x LR-FHSS Modem Example
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This example shows how to use LR-FHSS modem in SX126x chips.
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This modem can only transmit data, and is not able to receive.
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NOTE: The sketch below is just a guide on how to use
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LR-FHSS modem, so this code should not be run directly!
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Instead, modify the other examples to use LR-FHSS
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modem and use the appropriate configuration
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methods.
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For default module settings, see the wiki page
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https://github.com/jgromes/RadioLib/wiki/Default-configuration#sx126x---lr-fhss-modem
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For full API reference, see the GitHub Pages
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https://jgromes.github.io/RadioLib/
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*/
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// include the library
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#include <RadioLib.h>
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// SX1262 has the following connections:
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// NSS pin: 10
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// IRQ pin: 2
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// NRST pin: 3
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// BUSY pin: 9
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SX1262 radio = new Module(10, 2, 3, 9);
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// or detect the pinout automatically using RadioBoards
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// https://github.com/radiolib-org/RadioBoards
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/*
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#define RADIO_BOARD_AUTO
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#include <RadioBoards.h>
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Radio radio = new RadioModule();
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*/
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void setup() {
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Serial.begin(9600);
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// initialize SX1262 with default settings
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Serial.print(F("[SX1262] Initializing ... "));
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int state = radio.beginLRFHSS();
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if (state == RADIOLIB_ERR_NONE) {
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Serial.println(F("success!"));
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} else {
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Serial.print(F("failed, code "));
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Serial.println(state);
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while (true) { delay(10); }
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}
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// if needed, you can switch between any of the modems
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//
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// radio.begin() start LoRa modem (and disable LR-FHSS)
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// radio.beginLRFHSS() start LR-FHSS modem (and disable LoRa)
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// the following settings can also
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// be modified at run-time
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state = radio.setFrequency(433.5);
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state = radio.setLrFhssConfig(RADIOLIB_SX126X_LR_FHSS_BW_1523_4, // bandwidth
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RADIOLIB_SX126X_LR_FHSS_CR_1_2, // coding rate
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3, // header count
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0x13A); // hopping sequence seed
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state = radio.setOutputPower(10.0);
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uint8_t syncWord[] = {0x01, 0x23, 0x45, 0x67};
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state = radio.setSyncWord(syncWord, 4);
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if (state != RADIOLIB_ERR_NONE) {
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Serial.print(F("Unable to set configuration, code "));
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Serial.println(state);
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while (true) { delay(10); }
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}
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#warning "This sketch is just an API guide! Read the note at line 6."
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}
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void loop() {
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// LR-FHSS modem can only transmit!
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// transmit LR-FHSS packet
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int state = radio.transmit("Hello World!");
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/*
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byte byteArr[] = {0x01, 0x23, 0x45, 0x67,
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0x89, 0xAB, 0xCD, 0xEF};
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int state = radio.transmit(byteArr, 8);
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*/
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if (state == RADIOLIB_ERR_NONE) {
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Serial.println(F("[SX1262] Packet transmitted successfully!"));
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} else if (state == RADIOLIB_ERR_PACKET_TOO_LONG) {
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Serial.println(F("[SX1262] Packet too long!"));
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} else if (state == RADIOLIB_ERR_TX_TIMEOUT) {
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Serial.println(F("[SX1262] Timed out while transmitting!"));
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} else {
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Serial.println(F("[SX1262] Failed to transmit packet, code "));
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Serial.println(state);
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}
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}
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@ -0,0 +1,113 @@
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/*
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RadioLib SX126x LR-FHSS Modem Example
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This example shows how to use LR-FHSS modem in SX126x chips.
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This modem can only transmit data, and is not able to receive.
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This example transmits packets using SX1262 LoRa radio module.
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Each packet contains up to 256 bytes of data, in the form of:
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- Arduino String
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- null-terminated char array (C-string)
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- arbitrary binary data (byte array)
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Other modules from SX126x family can also be used.
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Using blocking transmit is not recommended, as it will lead
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to inefficient use of processor time!
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Instead, interrupt transmit is recommended.
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For default module settings, see the wiki page
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https://github.com/jgromes/RadioLib/wiki/Default-configuration#sx126x---lr-fhss-modem
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For full API reference, see the GitHub Pages
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https://jgromes.github.io/RadioLib/
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*/
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// include the library
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#include <RadioLib.h>
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// SX1262 has the following connections:
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// NSS pin: 10
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// IRQ pin: 2
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// NRST pin: 3
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// BUSY pin: 9
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SX1262 radio = new Module(10, 2, 3, 9);
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// or detect the pinout automatically using RadioBoards
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// https://github.com/radiolib-org/RadioBoards
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/*
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#define RADIO_BOARD_AUTO
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#include <RadioBoards.h>
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Radio radio = new RadioModule();
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*/
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void setup() {
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Serial.begin(9600);
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// initialize SX1262 with default settings
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Serial.print(F("[SX1262] Initializing ... "));
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int state = radio.beginLRFHSS();
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if (state == RADIOLIB_ERR_NONE) {
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Serial.println(F("success!"));
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} else {
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Serial.print(F("failed, code "));
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Serial.println(state);
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while (true) { delay(10); }
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}
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// some modules have an external RF switch
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// controlled via two pins (RX enable, TX enable)
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// to enable automatic control of the switch,
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// call the following method
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// RX enable: 4
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// TX enable: 5
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/*
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radio.setRfSwitchPins(4, 5);
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*/
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}
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// counter to keep track of transmitted packets
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int count = 0;
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void loop() {
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// LR-FHSS modem can only transmit!
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Serial.print(F("[SX1262] Transmitting packet ... "));
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// you can transmit C-string or Arduino string up to
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// 256 characters long
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String str = "Hello World! #" + String(count++);
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int state = radio.transmit(str);
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// you can also transmit byte array up to 256 bytes long
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/*
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byte byteArr[] = {0x01, 0x23, 0x45, 0x56, 0x78, 0xAB, 0xCD, 0xEF};
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int state = radio.transmit(byteArr, 8);
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*/
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if (state == RADIOLIB_ERR_NONE) {
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// the packet was successfully transmitted
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Serial.println(F("success!"));
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// print measured data rate
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Serial.print(F("[SX1262] Datarate:\t"));
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Serial.print(radio.getDataRate());
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Serial.println(F(" bps"));
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} else if (state == RADIOLIB_ERR_PACKET_TOO_LONG) {
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// the supplied packet was longer than 256 bytes
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Serial.println(F("too long!"));
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} else if (state == RADIOLIB_ERR_TX_TIMEOUT) {
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// timeout occurred while transmitting packet
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Serial.println(F("timeout!"));
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} else {
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// some other error occurred
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Serial.print(F("failed, code "));
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Serial.println(state);
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}
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// wait for a second before transmitting again
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delay(1000);
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}
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