arduino2/libraries/Heltec_ESP32_Dev-Boards/examples/LoRa/LoRaSender/LoRaSender.ino
2021-02-10 18:05:49 +01:00

46 lines
1.4 KiB
C++

/*
Basic test program, send date at the BAND you seted.
by Aaron.Lee from HelTec AutoMation, ChengDu, China
成都惠利特自动化科技有限公司
www.heltec.cn
this project also realess in GitHub:
https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series
*/
#include "heltec.h"
#define BAND 433E6 //you can set band here directly,e.g. 868E6,915E6
int counter = 0;
void setup() {
//WIFI Kit series V1 not support Vext control
Heltec.begin(true /*DisplayEnable Enable*/, true /*Heltec.LoRa Disable*/, true /*Serial Enable*/, true /*PABOOST Enable*/, BAND /*long BAND*/);
}
void loop() {
Serial.print("Sending packet: ");
Serial.println(counter);
// send packet
LoRa.beginPacket();
/*
* LoRa.setTxPower(txPower,RFOUT_pin);
* txPower -- 0 ~ 20
* RFOUT_pin could be RF_PACONFIG_PASELECT_PABOOST or RF_PACONFIG_PASELECT_RFO
* - RF_PACONFIG_PASELECT_PABOOST -- LoRa single output via PABOOST, maximum output 20dBm
* - RF_PACONFIG_PASELECT_RFO -- LoRa single output via RFO_HF / RFO_LF, maximum output 14dBm
*/
LoRa.setTxPower(14,RF_PACONFIG_PASELECT_PABOOST);
LoRa.print("hello ");
LoRa.print(counter);
LoRa.endPacket();
counter++;
digitalWrite(25, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(25, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second
}