Send text with LoRaWAN.
Dependencies: LMiC SX1276Lib mbed
Fork of LoRaWAN-lmic-app by
main.cpp@7:4adfa7248a0b, 2015-09-14 (annotated)
- Committer:
- tamberg
- Date:
- Mon Sep 14 14:26:55 2015 +0000
- Revision:
- 7:4adfa7248a0b
- Parent:
- 6:fbfc95b5c979
- Child:
- 8:747796516a2f
Removed unused code.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
tamberg | 6:fbfc95b5c979 | 1 | /* License: Revised BSD License, see LICENSE.TXT, (c)2015 tamberg.org, (c)2015 Semtech */ |
mluis | 0:a2929fa6e4f0 | 2 | |
mluis | 1:60184eda0066 | 3 | #include "mbed.h" |
mluis | 0:a2929fa6e4f0 | 4 | #include "lmic.h" |
mluis | 1:60184eda0066 | 5 | #include "debug.h" |
mluis | 0:a2929fa6e4f0 | 6 | |
tamberg | 6:fbfc95b5c979 | 7 | #define LORAWAN_NET_ID (uint32_t) 0x00000000 |
tamberg | 6:fbfc95b5c979 | 8 | #define LORAWAN_DEV_ADDR (uint32_t) 0x00001056 |
tamberg | 6:fbfc95b5c979 | 9 | #define APP_TX_DUTYCYCLE 5000 // ms |
tamberg | 6:fbfc95b5c979 | 10 | #define APP_TX_DUTYCYCLE_RND 1000 // ms |
tamberg | 6:fbfc95b5c979 | 11 | #define LORAWAN_ADR_ON 1 |
tamberg | 6:fbfc95b5c979 | 12 | #define LORAWAN_CONFIRMED_MSG_ON 1 |
tamberg | 6:fbfc95b5c979 | 13 | #define LORAWAN_APP_PORT 15 |
tamberg | 7:4adfa7248a0b | 14 | #define LORAWAN_APP_DATA_SIZE 32 //6 // max 51 |
mluis | 0:a2929fa6e4f0 | 15 | |
tamberg | 5:1f8829bd11ed | 16 | static uint8_t NwkSKey[] = { |
tamberg | 4:f83ad3eee79d | 17 | 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
tamberg | 4:f83ad3eee79d | 18 | 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF |
mluis | 0:a2929fa6e4f0 | 19 | }; |
mluis | 0:a2929fa6e4f0 | 20 | |
tamberg | 5:1f8829bd11ed | 21 | static uint8_t ArtSKey[] = { |
tamberg | 4:f83ad3eee79d | 22 | 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
tamberg | 4:f83ad3eee79d | 23 | 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF |
mluis | 0:a2929fa6e4f0 | 24 | }; |
mluis | 0:a2929fa6e4f0 | 25 | |
mluis | 0:a2929fa6e4f0 | 26 | osjob_t sendFrameJob; |
mluis | 0:a2929fa6e4f0 | 27 | |
tamberg | 5:1f8829bd11ed | 28 | int32_t randr (int32_t min, int32_t max) { |
tamberg | 5:1f8829bd11ed | 29 | return (int32_t) rand() % (max - min + 1) + min; |
tamberg | 5:1f8829bd11ed | 30 | } |
tamberg | 5:1f8829bd11ed | 31 | |
tamberg | 7:4adfa7248a0b | 32 | void os_getArtEui (uint8_t *buf) {} // ignore |
tamberg | 7:4adfa7248a0b | 33 | void os_getDevEui (uint8_t *buf) {} // ignore |
tamberg | 7:4adfa7248a0b | 34 | void os_getDevKey (uint8_t *buf) {} // ignore |
mluis | 0:a2929fa6e4f0 | 35 | |
tamberg | 5:1f8829bd11ed | 36 | static void prepareTxFrame (void) { |
tamberg | 4:f83ad3eee79d | 37 | debug_str("prepareTxFrame\r\n"); |
tamberg | 6:fbfc95b5c979 | 38 | for (int i = 0; i < LORAWAN_APP_DATA_SIZE; i++) { |
tamberg | 6:fbfc95b5c979 | 39 | LMIC.frame[i] = i; |
tamberg | 6:fbfc95b5c979 | 40 | } |
tamberg | 7:4adfa7248a0b | 41 | // LMIC.frame[0] = AppLedStateOn; |
tamberg | 7:4adfa7248a0b | 42 | // LMIC.frame[1] = LMIC.seqnoDn >> 8; |
tamberg | 7:4adfa7248a0b | 43 | // LMIC.frame[2] = LMIC.seqnoDn; |
tamberg | 7:4adfa7248a0b | 44 | // LMIC.frame[3] = LMIC.rssi >> 8; |
tamberg | 7:4adfa7248a0b | 45 | // LMIC.frame[4] = LMIC.rssi; |
tamberg | 7:4adfa7248a0b | 46 | // LMIC.frame[5] = LMIC.snr; |
mluis | 0:a2929fa6e4f0 | 47 | } |
mluis | 0:a2929fa6e4f0 | 48 | |
tamberg | 5:1f8829bd11ed | 49 | void processRxFrame (void) { |
tamberg | 4:f83ad3eee79d | 50 | debug_str("processRxFrame\r\n"); |
tamberg | 6:fbfc95b5c979 | 51 | u1_t rxPort = LMIC.frame[LMIC.dataBeg - 1]; |
tamberg | 7:4adfa7248a0b | 52 | debug_val("rxPort", rxPort); |
tamberg | 7:4adfa7248a0b | 53 | for (int i = 0; i < LMIC.dataLen; i++) { |
tamberg | 7:4adfa7248a0b | 54 | debug_hex(LMIC.frame[LMIC.dataBeg + i]); |
tamberg | 7:4adfa7248a0b | 55 | debug_char(' '); |
mluis | 0:a2929fa6e4f0 | 56 | } |
mluis | 0:a2929fa6e4f0 | 57 | } |
mluis | 0:a2929fa6e4f0 | 58 | |
tamberg | 5:1f8829bd11ed | 59 | static void onSendFrame (osjob_t* j) { |
tamberg | 4:f83ad3eee79d | 60 | debug_str("onSendFrame\r\n"); |
tamberg | 5:1f8829bd11ed | 61 | prepareTxFrame(); |
tamberg | 6:fbfc95b5c979 | 62 | int result = LMIC_setTxData2( |
tamberg | 5:1f8829bd11ed | 63 | LORAWAN_APP_PORT, |
tamberg | 5:1f8829bd11ed | 64 | LMIC.frame, |
tamberg | 5:1f8829bd11ed | 65 | LORAWAN_APP_DATA_SIZE, |
tamberg | 7:4adfa7248a0b | 66 | LORAWAN_CONFIRMED_MSG_ON); // calls onEvent() |
tamberg | 7:4adfa7248a0b | 67 | debug_val("LMIC_setTxData2, result = ", result); |
mluis | 0:a2929fa6e4f0 | 68 | } |
mluis | 0:a2929fa6e4f0 | 69 | |
tamberg | 5:1f8829bd11ed | 70 | static void onInit (osjob_t* j) { |
tamberg | 4:f83ad3eee79d | 71 | debug_str("onInit\r\n"); |
tamberg | 5:1f8829bd11ed | 72 | LMIC_reset(); // reset MAC state |
tamberg | 5:1f8829bd11ed | 73 | LMIC_setAdrMode(LORAWAN_ADR_ON); |
tamberg | 5:1f8829bd11ed | 74 | LMIC_setDrTxpow(DR_SF12, 14); |
tamberg | 5:1f8829bd11ed | 75 | LMIC_setSession( |
tamberg | 5:1f8829bd11ed | 76 | LORAWAN_NET_ID, |
tamberg | 5:1f8829bd11ed | 77 | LORAWAN_DEV_ADDR, |
tamberg | 5:1f8829bd11ed | 78 | NwkSKey, |
tamberg | 5:1f8829bd11ed | 79 | ArtSKey); |
tamberg | 5:1f8829bd11ed | 80 | onSendFrame(NULL); |
mluis | 1:60184eda0066 | 81 | } |
mluis | 1:60184eda0066 | 82 | |
tamberg | 6:fbfc95b5c979 | 83 | int main (void) { |
tamberg | 4:f83ad3eee79d | 84 | debug_str("main\r\n"); |
mluis | 0:a2929fa6e4f0 | 85 | osjob_t initjob; |
tamberg | 5:1f8829bd11ed | 86 | os_init(); |
tamberg | 5:1f8829bd11ed | 87 | os_setCallback(&initjob, onInit); |
tamberg | 5:1f8829bd11ed | 88 | os_runloop(); // blocking |
mluis | 0:a2929fa6e4f0 | 89 | } |
mluis | 0:a2929fa6e4f0 | 90 | |
tamberg | 6:fbfc95b5c979 | 91 | void onEvent (ev_t ev) { // called by lmic.cpp, see also oslmic.h |
tamberg | 4:f83ad3eee79d | 92 | debug_str("onEvent\r\n"); |
mluis | 0:a2929fa6e4f0 | 93 | bool txOn = false; |
tamberg | 5:1f8829bd11ed | 94 | debug_event(ev); |
tamberg | 6:fbfc95b5c979 | 95 | switch (ev) { |
tamberg | 5:1f8829bd11ed | 96 | case EV_JOINED: // network joined, session established |
tamberg | 5:1f8829bd11ed | 97 | debug_val("Net ID = ", LMIC.netid); |
mluis | 0:a2929fa6e4f0 | 98 | txOn = true; |
mluis | 0:a2929fa6e4f0 | 99 | break; |
tamberg | 5:1f8829bd11ed | 100 | case EV_TXCOMPLETE: // scheduled data sent (optionally data received) |
tamberg | 5:1f8829bd11ed | 101 | debug_val("Datarate = ", LMIC.datarate); |
mluis | 0:a2929fa6e4f0 | 102 | // Check if we have a downlink on either Rx1 or Rx2 windows |
tamberg | 5:1f8829bd11ed | 103 | if ((LMIC.txrxFlags & (TXRX_DNW1 | TXRX_DNW2)) != 0) { |
tamberg | 6:fbfc95b5c979 | 104 | //debug_val("LED2 = ", 1); |
tamberg | 6:fbfc95b5c979 | 105 | //os_setTimedCallback(&rxLedJob, os_getTime() + ms2osticks(25), onRxLed); |
tamberg | 5:1f8829bd11ed | 106 | if (LMIC.dataLen != 0) { // data received in rx slot after tx |
tamberg | 5:1f8829bd11ed | 107 | debug_buf(LMIC.frame + LMIC.dataBeg, LMIC.dataLen); |
tamberg | 5:1f8829bd11ed | 108 | processRxFrame(); |
mluis | 0:a2929fa6e4f0 | 109 | } |
mluis | 0:a2929fa6e4f0 | 110 | } |
mluis | 0:a2929fa6e4f0 | 111 | txOn = true; |
mluis | 0:a2929fa6e4f0 | 112 | break; |
mluis | 0:a2929fa6e4f0 | 113 | default: |
mluis | 0:a2929fa6e4f0 | 114 | break; |
mluis | 0:a2929fa6e4f0 | 115 | } |
tamberg | 5:1f8829bd11ed | 116 | if (txOn == true) { |
tamberg | 5:1f8829bd11ed | 117 | os_setTimedCallback( |
tamberg | 5:1f8829bd11ed | 118 | &sendFrameJob, |
tamberg | 5:1f8829bd11ed | 119 | os_getTime() + ms2osticks(APP_TX_DUTYCYCLE + randr(-APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND)), |
tamberg | 5:1f8829bd11ed | 120 | onSendFrame); |
mluis | 0:a2929fa6e4f0 | 121 | } |
mluis | 0:a2929fa6e4f0 | 122 | } |