Created
July 14, 2019 16:48
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Sketch for Testing connect with LoRa Server Project
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#include <lmic.h> | |
#include <hal/hal.h> | |
#include <SPI.h> | |
// LoRaWAN NwkSKey, network session key | |
// This is the default Semtech key, which is used by the early prototype TTN | |
// network. | |
static const u4_t DEVADDR = 0x018796ad; | |
//Set network session key | |
static const PROGMEM u1_t NWKSKEY[16] = { 0x5f, 0xe9, 0x61, 0x37, 0x4b, 0xe8, 0xaf, 0xb2, 0x1a, 0x7a, 0x44, 0xeb, 0x8d, 0xb5, 0xff, 0x07 }; | |
//Set app session key | |
static const u1_t PROGMEM APPSKEY[16] = { 0x0a, 0x4c, 0x8d, 0xcc, 0x31, 0xf6, 0xe9, 0x89, 0xb0, 0x09, 0x97, 0xca, 0xfd, 0x2e, 0x05, 0x1b }; | |
// These callbacks are only used in over-the-air activation, so they are | |
// left empty here (we cannot leave them out completely unless | |
// DISABLE_JOIN is set in config.h, otherwise the linker will complain). | |
void os_getArtEui (u1_t* buf) { } | |
void os_getDevEui (u1_t* buf) { } | |
void os_getDevKey (u1_t* buf) { } | |
static osjob_t sendjob; | |
// Schedule TX every this many seconds (might become longer due to duty | |
// cycle limitations). | |
const unsigned TX_INTERVAL = 15; | |
// Pin mapping | |
const lmic_pinmap lmic_pins = { | |
.nss = 10, | |
.rxtx = LMIC_UNUSED_PIN, | |
.rst = 6, | |
.dio = {2, 4, 5}, | |
}; | |
int channel = 0; | |
void onEvent (ev_t ev) { | |
Serial.print(os_getTime()); | |
Serial.print(": "); | |
switch (ev) { | |
case EV_SCAN_TIMEOUT: | |
Serial.println(F("EV_SCAN_TIMEOUT")); | |
break; | |
case EV_BEACON_FOUND: | |
Serial.println(F("EV_BEACON_FOUND")); | |
break; | |
case EV_BEACON_MISSED: | |
Serial.println(F("EV_BEACON_MISSED")); | |
break; | |
case EV_BEACON_TRACKED: | |
Serial.println(F("EV_BEACON_TRACKED")); | |
break; | |
case EV_JOINING: | |
Serial.println(F("EV_JOINING")); | |
break; | |
case EV_JOINED: | |
Serial.println(F("EV_JOINED")); | |
break; | |
case EV_RFU1: | |
Serial.println(F("EV_RFU1")); | |
break; | |
case EV_JOIN_FAILED: | |
Serial.println(F("EV_JOIN_FAILED")); | |
break; | |
case EV_REJOIN_FAILED: | |
Serial.println(F("EV_REJOIN_FAILED")); | |
break; | |
case EV_TXCOMPLETE: | |
Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)")); | |
if (LMIC.txrxFlags & TXRX_ACK) | |
Serial.println(F("Received ack")); | |
if (LMIC.dataLen) { | |
Serial.println(F("Received ")); | |
Serial.println(LMIC.dataLen); | |
Serial.println(F(" bytes of payload")); | |
} | |
// Schedule next transmission | |
os_setTimedCallback(&sendjob, os_getTime() + sec2osticks(TX_INTERVAL), do_send); | |
break; | |
case EV_LOST_TSYNC: | |
Serial.println(F("EV_LOST_TSYNC")); | |
break; | |
case EV_RESET: | |
Serial.println(F("EV_RESET")); | |
break; | |
case EV_RXCOMPLETE: | |
// data received in ping slot | |
Serial.println(F("EV_RXCOMPLETE")); | |
break; | |
case EV_LINK_DEAD: | |
Serial.println(F("EV_LINK_DEAD")); | |
break; | |
case EV_LINK_ALIVE: | |
Serial.println(F("EV_LINK_ALIVE")); | |
break; | |
default: | |
Serial.println(F("Unknown event")); | |
break; | |
} | |
} | |
void do_send(osjob_t* j) { | |
int temp = random(20, 30); //random Temperature Value | |
int hum = random(50, 70); //random humidity Value | |
unsigned char buff[15]; | |
dtostrf(temp, 5, 1, buff); | |
strcat(buff, " "); | |
dtostrf(hum, 5, 1, buff + strlen(buff)); | |
// Check if there is not a current TX/RX job running | |
if (LMIC.opmode & OP_TXRXPEND) { | |
Serial.println(F("OP_TXRXPEND, not sending")); | |
} else { | |
// Prepare upstream data transmission at the next possible time. | |
// LMIC_setTxData2(1, mydata, sizeof(mydata) - 1, 0); | |
LMIC_setTxData2(1, buff, strlen(buff), 0); | |
Serial.println(F("Packet queued")); | |
digitalWrite(9, HIGH); | |
delay(200); | |
digitalWrite(9, LOW); | |
} | |
// Next TX is scheduled after TX_COMPLETE event. | |
} | |
void setup() { | |
Serial.begin(115200); | |
Serial.println(F("Starting")); | |
pinMode(9, OUTPUT); | |
#ifdef VCC_ENABLE | |
// For Pinoccio Scout boards | |
pinMode(VCC_ENABLE, OUTPUT); | |
digitalWrite(VCC_ENABLE, HIGH); | |
delay(1000); | |
#endif | |
// LMIC init | |
os_init(); | |
// Reset the MAC state. Session and pending data transfers will be discarded. | |
LMIC_reset(); | |
// Set static session parameters. Instead of dynamically establishing a session | |
// by joining the network, precomputed session parameters are be provided. | |
#ifdef PROGMEM | |
// On AVR, these values are stored in flash and only copied to RAM | |
// once. Copy them to a temporary buffer here, LMIC_setSession will | |
// copy them into a buffer of its own again. | |
uint8_t appskey[sizeof(APPSKEY)]; | |
uint8_t nwkskey[sizeof(NWKSKEY)]; | |
memcpy_P(appskey, APPSKEY, sizeof(APPSKEY)); | |
memcpy_P(nwkskey, NWKSKEY, sizeof(NWKSKEY)); | |
LMIC_setSession (0x1, DEVADDR, nwkskey, appskey); | |
#else | |
// If not running an AVR with PROGMEM, just use the arrays directly | |
LMIC_setSession (0x1, DEVADDR, NWKSKEY, APPSKEY); | |
#endif | |
LMIC_setupChannel(0, 923200000, DR_RANGE_MAP(DR_SF12, DR_SF7), BAND_CENTI); // g-band | |
forceTxSingleChannelDr(); | |
// Disable link check validation | |
LMIC_setLinkCheckMode(0); | |
// TTN uses SF9 for its RX2 window. | |
LMIC.dn2Dr = DR_SF9; | |
// Set data rate and transmit power for uplink (note: txpow seems to be ignored by the library) | |
LMIC_setDrTxpow(DR_SF7, 14); | |
// Start job | |
do_send(&sendjob); | |
} | |
void loop() { | |
os_runloop_once(); | |
} | |
// Disables all channels, except for the one defined above, and sets the | |
// data rate (SF). This only affects uplinks; for downlinks the default | |
// channels or the configuration from the OTAA Join Accept are used. | |
// | |
// Not LoRaWAN compliant; FOR TESTING ONLY! | |
// | |
void forceTxSingleChannelDr() { | |
for (int i = 0; i < 9; i++) { // For EU; for US use i<71 | |
if (i != channel) { | |
LMIC_disableChannel(i); | |
} | |
} | |
// Set data rate (SF) and transmit power for uplink | |
// LMIC_setDrTxpow(dr, 14); | |
} |
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