Temperature reading using NUCLEO-L152RE microcontroller and Grove – Temperature&Humidity Sensor Pro.
Dependencies: DHT LMiC SX1276Lib mbed
Fork of LoRaWAN_send_text by
main.cpp@14:c872172f062c, 2016-01-19 (annotated)
- Committer:
- dagga
- Date:
- Tue Jan 19 09:51:34 2016 +0000
- Revision:
- 14:c872172f062c
- Parent:
- 13:d2eb917f9883
hey
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
tamberg | 11:0cc0f7b84c72 | 1 | // License: Revised BSD License, see LICENSE.TXT, (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 | |
dagga | 14:c872172f062c | 7 | #include "DHT.h" |
dagga | 14:c872172f062c | 8 | |
tamberg | 6:fbfc95b5c979 | 9 | #define LORAWAN_NET_ID (uint32_t) 0x00000000 |
tamberg | 13:d2eb917f9883 | 10 | // TODO: enter device address below, for TTN just set ??? |
dagga | 14:c872172f062c | 11 | #define LORAWAN_DEV_ADDR (uint32_t) 0x02031003 |
tamberg | 6:fbfc95b5c979 | 12 | #define LORAWAN_ADR_ON 1 |
tamberg | 6:fbfc95b5c979 | 13 | #define LORAWAN_CONFIRMED_MSG_ON 1 |
tamberg | 13:d2eb917f9883 | 14 | #define LORAWAN_APP_PORT 3//15 |
mluis | 0:a2929fa6e4f0 | 15 | |
dagga | 14:c872172f062c | 16 | DHT sensor(A1, AM2302); |
dagga | 14:c872172f062c | 17 | |
tamberg | 5:1f8829bd11ed | 18 | static uint8_t NwkSKey[] = { |
tamberg | 13:d2eb917f9883 | 19 | // TODO: enter network, or use TTN default |
tamberg | 13:d2eb917f9883 | 20 | // e.g. for 2B7E151628AED2A6ABF7158809CF4F3C => |
tamberg | 13:d2eb917f9883 | 21 | 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, |
tamberg | 13:d2eb917f9883 | 22 | 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C |
mluis | 0:a2929fa6e4f0 | 23 | }; |
mluis | 0:a2929fa6e4f0 | 24 | |
tamberg | 5:1f8829bd11ed | 25 | static uint8_t ArtSKey[] = { |
tamberg | 13:d2eb917f9883 | 26 | // TODO: enter application key, or use TTN default |
tamberg | 13:d2eb917f9883 | 27 | // e.g. for 2B7E151628AED2A6ABF7158809CF4F3C => |
tamberg | 13:d2eb917f9883 | 28 | 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, |
tamberg | 13:d2eb917f9883 | 29 | 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C |
mluis | 0:a2929fa6e4f0 | 30 | }; |
mluis | 0:a2929fa6e4f0 | 31 | |
tamberg | 9:fdd150f9db9e | 32 | osjob_t initjob; |
mluis | 0:a2929fa6e4f0 | 33 | osjob_t sendFrameJob; |
tamberg | 9:fdd150f9db9e | 34 | u1_t n = 0; |
mluis | 0:a2929fa6e4f0 | 35 | |
tamberg | 7:4adfa7248a0b | 36 | void os_getArtEui (uint8_t *buf) {} // ignore |
tamberg | 7:4adfa7248a0b | 37 | void os_getDevEui (uint8_t *buf) {} // ignore |
tamberg | 7:4adfa7248a0b | 38 | void os_getDevKey (uint8_t *buf) {} // ignore |
mluis | 0:a2929fa6e4f0 | 39 | |
dagga | 14:c872172f062c | 40 | float getTemperature() { |
dagga | 14:c872172f062c | 41 | |
dagga | 14:c872172f062c | 42 | int err = 1; |
dagga | 14:c872172f062c | 43 | |
dagga | 14:c872172f062c | 44 | while(err != 0) { |
dagga | 14:c872172f062c | 45 | wait(2.0f); |
dagga | 14:c872172f062c | 46 | err = sensor.readData(); |
dagga | 14:c872172f062c | 47 | } |
dagga | 14:c872172f062c | 48 | |
dagga | 14:c872172f062c | 49 | return sensor.ReadTemperature(CELCIUS); |
dagga | 14:c872172f062c | 50 | } |
dagga | 14:c872172f062c | 51 | |
tamberg | 9:fdd150f9db9e | 52 | void onSendFrame (osjob_t* j) { |
dagga | 14:c872172f062c | 53 | |
dagga | 14:c872172f062c | 54 | char message[32]; |
dagga | 14:c872172f062c | 55 | |
dagga | 14:c872172f062c | 56 | float temperature = getTemperature(); |
dagga | 14:c872172f062c | 57 | printf("Temperature is %4.2f \r\n", temperature); |
dagga | 14:c872172f062c | 58 | |
dagga | 14:c872172f062c | 59 | sprintf(message, "%4.2f", temperature); |
dagga | 14:c872172f062c | 60 | |
tamberg | 12:020ffc39a19e | 61 | int frameLength = strlen(message); // keep it < 32 |
tamberg | 11:0cc0f7b84c72 | 62 | for (int i = 0; i < frameLength; i++) { |
tamberg | 12:020ffc39a19e | 63 | LMIC.frame[i] = message[i]; |
tamberg | 10:576f275cfc14 | 64 | } |
tamberg | 9:fdd150f9db9e | 65 | int result = LMIC_setTxData2(LORAWAN_APP_PORT, LMIC.frame, |
tamberg | 11:0cc0f7b84c72 | 66 | frameLength, LORAWAN_CONFIRMED_MSG_ON); // calls onEvent() |
dagga | 14:c872172f062c | 67 | |
dagga | 14:c872172f062c | 68 | os_setTimedCallback(j, os_getTime() + sec2osticks(60), onSendFrame); |
mluis | 0:a2929fa6e4f0 | 69 | } |
mluis | 0:a2929fa6e4f0 | 70 | |
tamberg | 9:fdd150f9db9e | 71 | void onInit (osjob_t* j) { |
tamberg | 9:fdd150f9db9e | 72 | LMIC_reset(); |
tamberg | 5:1f8829bd11ed | 73 | LMIC_setAdrMode(LORAWAN_ADR_ON); |
tamberg | 9:fdd150f9db9e | 74 | LMIC_setDrTxpow(DR_SF12, 14); |
tamberg | 9:fdd150f9db9e | 75 | LMIC_setSession(LORAWAN_NET_ID, LORAWAN_DEV_ADDR, NwkSKey, ArtSKey); |
tamberg | 5:1f8829bd11ed | 76 | onSendFrame(NULL); |
mluis | 1:60184eda0066 | 77 | } |
mluis | 1:60184eda0066 | 78 | |
tamberg | 8:747796516a2f | 79 | void onEvent (ev_t ev) { // called by lmic.cpp, see also oslmic.h |
tamberg | 13:d2eb917f9883 | 80 | debug_event(ev); |
tamberg | 9:fdd150f9db9e | 81 | if (ev == EV_TXCOMPLETE) { |
tamberg | 8:747796516a2f | 82 | os_setCallback(&sendFrameJob, onSendFrame); |
tamberg | 8:747796516a2f | 83 | } |
tamberg | 8:747796516a2f | 84 | } |
tamberg | 8:747796516a2f | 85 | |
tamberg | 6:fbfc95b5c979 | 86 | int main (void) { |
tamberg | 4:f83ad3eee79d | 87 | debug_str("main\r\n"); |
tamberg | 5:1f8829bd11ed | 88 | os_init(); |
tamberg | 5:1f8829bd11ed | 89 | os_setCallback(&initjob, onInit); |
tamberg | 5:1f8829bd11ed | 90 | os_runloop(); // blocking |
tamberg | 8:747796516a2f | 91 | } |