bgriller / ballon_atmospherique

Commit 6bba404aebff4cadd4e41c89dbf345c83d2c8ab2

Authored by omahieux
1 parent 7d26eb18

Mise à jour de LORA_terrestre

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LORA_terrestre.ino
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1   -// Feather9x_RX
2   -// -*- mode: C++ -*-
3   -// Example sketch showing how to create a simple messaging client (receiver)
4   -// with the RH_RF95 class. RH_RF95 class does not provide for addressing or
5   -// reliability, so you should only use RH_RF95 if you do not need the higher
6   -// level messaging abilities.
7   -// It is designed to work with the other example Feather9x_TX
  1 +/*Programme implanté dans le module FEATHER Adafruit restant au sol*/
8 2 #include <SPI.h>
9 3 #include <RH_RF95.h>
10 4  
11   - //for feather m0
  5 + //constantes pour ce module feather
12 6 #define RFM95_CS 8
13 7 #define RFM95_RST 4
14 8 #define RFM95_INT 3
15 9  
16 10 //taille des paquets Lora envoyés à chaque émission
17   -#define TAILLE_RADIOPACKET 20
  11 +#define TAILLE_RADIOPACKET 100
18 12  
19   -// Change to 434.0 or other frequency, must match RX's freq!
  13 +// Définition de la fréquence
20 14 #define RF95_FREQ 434.0
21   -// Singleton instance of the radio driver
  15 +// Configuration
22 16 RH_RF95 rf95(RFM95_CS, RFM95_INT);
23   -// Blinky on receipt
  17 +
24 18 #define LED 13
25 19  
26 20  
27 21  
28   -//Fonction vidage de buffer série
  22 +//Fonction vidage du buffer série
29 23 void serialFlush(){
30   - pinMode(LED, OUTPUT);
  24 + //pinMode(LED, OUTPUT);
31 25 while(Serial.available() > 0) {
32 26 char t = Serial.read();
33 27 }
34 28 }
35 29  
36   -void RAZradiopacket(uint8_t radiopacket[TAILLE_RADIOPACKET]){
37   - int j;
38   - for(j=0;j<TAILLE_RADIOPACKET;j++){
39   - radiopacket[j] = '0';
40   - }
41   -}
42   -
43   -
44   -
45 30 void setup()
46 31 {
47 32 pinMode(LED, OUTPUT);
48 33 pinMode(RFM95_RST, OUTPUT);
49 34 digitalWrite(RFM95_RST, HIGH);
50 35 while (!Serial);
51   -Serial.begin(9600);
  36 +Serial.begin(9600); //liaison série
52 37 delay(100);
53   -//Serial.println("Feather LoRa RX Test!");
54   -// manual reset
55 38 digitalWrite(RFM95_RST, LOW);
56 39 delay(10);
57 40 digitalWrite(RFM95_RST, HIGH);
... ... @@ -60,8 +43,8 @@ while (!rf95.init()) {
60 43 Serial.println("LoRa radio init failed");
61 44 while (1);
62 45 }
63   -Serial.println("Projet IMA Ballon atmospherique ");
64   -// Defaults after init are 434.0MHz, modulation GFSK_Rb250Fd250, +13dbM
  46 +Serial.println("Projet IMA Ballon atmospherique - 2017 ");
  47 +// Defaults after init are 434.0MHz, modulation GFSK_Rb250Fd250
65 48 if (!rf95.setFrequency(RF95_FREQ)) {
66 49 Serial.println("setFrequency failed");
67 50 while (1);
... ... @@ -69,17 +52,13 @@ serialFlush();
69 52  
70 53 }
71 54 Serial.print("Set Freq to: "); Serial.println(RF95_FREQ);
72   -// Defaults after init are 434.0MHz, 13dBm, Bw = 125 kHz, Cr = 4/5, Sf = 128chips/symbol, CRC on
73   -// The default transmitter power is 13dBm, using PA_BOOST.
74   -// If you are using RFM95/96/97/98 modules which uses the PA_BOOST transmitter pin, then
75   -// you can set transmitter powers from 5 to 23 dBm:
76   -rf95.setTxPower(23, false);
77   -//RAZradiopacket(radiopacket_tmp);
78   -//RAZradiopacket(radiopacket);
79   -}
80 55  
  56 +rf95.setTxPower(23, false); //Puissance d'émission à 23 dBm
  57 +
  58 +}
81 59  
82   -int nb_envoi;
  60 +//variables servant à ne pas envoyer deux fois la même chaîne
  61 +int nb_envoi;
83 62 uint8_t radiopacket[TAILLE_RADIOPACKET] ="null"; //Chaîne contenant la requête à envoyer à la nacelle
84 63 uint8_t radiopacket_tmp[TAILLE_RADIOPACKET]="null";
85 64  
... ... @@ -107,7 +86,6 @@ void loop()
107 86  
108 87 //si la donnée reçu est différente de la précédente
109 88 if(memcmp(radiopacket,radiopacket_tmp,TAILLE_RADIOPACKET)!=0){
110   - Serial.print("\nRequete differente\n");
111 89 nb_envoi = 0;
112 90 }
113 91  
... ... @@ -117,41 +95,29 @@ void loop()
117 95 rf95.send((uint8_t *)radiopacket, sizeof(radiopacket));
118 96 Serial.print("Envoi commande\n");
119 97 nb_envoi++;
120   - Serial.print("Nb_envoi:");
121   - Serial.println(nb_envoi);
122   - //radiopacket[0] = '0';
123   - //RAZradiopacket(radiopacket);
124   - }
125   -
126   -
127   -
  98 + }
  99 +
128 100 //LECTURE DONNEES VENANT DE LA NACELLE
129 101 if (rf95.available())
130 102 {
131   - // Should be a message for us now
132 103 uint8_t buf[RH_RF95_MAX_MESSAGE_LEN];
133 104 uint8_t len = sizeof(buf);
134 105 if (rf95.recv(buf, &len))
135 106 {
136 107 digitalWrite(LED, HIGH);
137   - // RH_RF95::printBuffer("Received: ", buf, len);
138 108 Serial.print("Reception: ");
139 109 Serial.println((char*)buf);
140   - serialFlush();
141   -
142   -
143   -
144   - // Send a reply
145   - //rf95.send(data, sizeof(data));
146   - //rf95.waitPacketSent();
147   - //Serial.println("Sent a reply");
148   - //digitalWrite(LED, LOW);
149   - }
  110 +
  111 + //Puissance du signal lors de la dernière réception (en dBm)
  112 + Serial.print("RSSI: ");
  113 + Serial.println(rf95.lastRssi(), DEC);
  114 + }
150 115 else
151 116 {
152 117 Serial.println("Receive failed");
153 118 }
154 119 }
155   - delay(200);
  120 + delay(100);
156 121 }
157 122  
  123 +
... ...