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• Attachments (0 modified, 2 added, 0 removed)
  • LoRa_send_trial.ino
  • image-20221112163119-4.png

Details

LoRa_send_trial.ino

Author

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	1	+XWiki.Kilight

Size

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	1	+3.4 KB

Content

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	1	+#include "LoRaWan_APP.h"
	2	+#include "Arduino.h"
	3	+
	4	+
	5	+#define RF_FREQUENCY 868100000 // Hz
	6	+
	7	+#define TX_OUTPUT_POWER 5 // dBm
	8	+
	9	+#define LORA_BANDWIDTH 0 // [0: 125 kHz,
	10	+ // 1: 250 kHz,
	11	+ // 2: 500 kHz,
	12	+ // 3: Reserved]
	13	+#define LORA_SPREADING_FACTOR 12 // [SF7..SF12]
	14	+#define LORA_CODINGRATE 1 // [1: 4/5,
	15	+ // 2: 4/6,
	16	+ // 3: 4/7,
	17	+ // 4: 4/8]
	18	+#define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
	19	+#define LORA_SYMBOL_TIMEOUT 0 // Symbols
	20	+#define LORA_FIX_LENGTH_PAYLOAD_ON false
	21	+#define LORA_IQ_INVERSION_ON false
	22	+
	23	+
	24	+#define RX_TIMEOUT_VALUE 1000
	25	+#define BUFFER_SIZE 30 // Define the payload size here
	26	+
	27	+float tem,hum;
	28	+char tem_1[8]={"\0"},hum_1[8]={"\0"};
	29	+char *node_id = "<GW01>"; //From LG01 via web Local Channel settings on MQTT.Please refer <> dataformat in here.
	30	+
	31	+char txpacket[BUFFER_SIZE];
	32	+char rxpacket[BUFFER_SIZE];
	33	+
	34	+double txNumber;
	35	+
	36	+bool lora_idle=true;
	37	+
	38	+static RadioEvents_t RadioEvents;
	39	+void OnTxDone( void );
	40	+void OnTxTimeout( void );
	41	+
	42	+void dhtTem()
	43	+{
	44	+ tem = random(15,40);
	45	+ hum = random(40,80);
	46	+ Serial.println(F("The temperature and humidity:"));
	47	+ Serial.print("[");
	48	+ Serial.print(tem);
	49	+ Serial.print("℃");
	50	+ Serial.print(",");
	51	+ Serial.print(hum);
	52	+ Serial.print("%");
	53	+ Serial.print("]");
	54	+ Serial.println("");
	55	+}
	56	+
	57	+void dhtWrite()
	58	+{
	59	+ char data[50] = "\0";
	60	+ for(int i = 0; i < 50; i++)
	61	+ {
	62	+ data[i] = node_id[i];
	63	+ }
	64	+
	65	+ dtostrf(tem,0,1,tem_1);
	66	+ dtostrf(hum,0,1,hum_1);
	67	+
	68	+ strcat(data,"tem_a=");
	69	+ strcat(data,tem_1);
	70	+ strcat(data,"&hum_a=");
	71	+ strcat(data,hum_1);
	72	+ strcpy((char *)txpacket,data);
	73	+
	74	+ Serial.println((char *)txpacket);
	75	+}
	76	+
	77	+void setup() {
	78	+ Serial.begin(115200);
	79	+ Mcu.begin();
	80	+
	81	+ txNumber=0;
	82	+
	83	+ RadioEvents.TxDone = OnTxDone;
	84	+ RadioEvents.TxTimeout = OnTxTimeout;
	85	+
	86	+ Radio.Init( &RadioEvents );
	87	+ Radio.SetChannel( RF_FREQUENCY );
	88	+ Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
	89	+ LORA_SPREADING_FACTOR, LORA_CODINGRATE,
	90	+ LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
	91	+ true, 0, 0, LORA_IQ_INVERSION_ON, 3000 );
	92	+ }
	93	+
	94	+
	95	+
	96	+void loop()
	97	+{
	98	+ if(lora_idle == true)
	99	+ {
	100	+ delay(5000);
	101	+ txNumber += 0.01;
	102	+ Serial.println(txNumber);
	103	+
	104	+ dhtTem();
	105	+ dhtWrite();
	106	+ Radio.Send( (uint8_t *)txpacket, strlen(txpacket) ); //send the package out
	107	+ lora_idle = false;
	108	+ }
	109	+ Radio.IrqProcess( );
	110	+}
	111	+
	112	+void OnTxDone( void )
	113	+{
	114	+ Serial.println("TX done......");
	115	+ lora_idle = true;
	116	+}
	117	+
	118	+void OnTxTimeout( void )
	119	+{
	120	+ Radio.Sleep( );
	121	+ Serial.println("TX Timeout......");
	122	+ lora_idle = true;
	123	+}
	124	+

image-20221112163119-4.png

Author

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	1	+XWiki.Kilight

Size

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	1	+32.6 KB

Content