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gps still does not work

This commit is contained in:
sessionm21 2020-05-15 09:49:46 +01:00
parent a1d0404a47
commit 1b11b44336
4 changed files with 127 additions and 910 deletions
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2
Makefile
View File

@ -142,7 +142,7 @@ flash: $(OUT)$(NAME)
avrdude -v -patmega328p -carduino -P/dev/ttyUSB0 -b115200 -D -Uflash:w:$(OUT)$(NAME).hex:i
run: flash
screen /dev/ttyUSB0
screen /dev/ttyUSB0 4800
start: flash
systemctl start lora-gateway-bridge loraserver

251
collar.cpp
View File

@ -33,7 +33,6 @@
#include "pb_encode.h"
#include "pb_decode.h"
#include "lmic_project_config.h"
#include "gateway/message.pb.h"
// DHT digital pin and sensor type
@ -95,9 +94,6 @@ const lmic_pinmap lmic_pins = {
.rxtx = LMIC_UNUSED_PIN,
.rst = 9,
.dio = {2, 3, LMIC_UNUSED_PIN},
.rxtx_rx_active = 0,
.rssi_cal = 8, // LBT cal for the Adafruit Feather M0 LoRa, in dB
.spi_freq = 8000000,
};
// init. DHT
@ -110,7 +106,7 @@ const lmic_pinmap lmic_pins = {
* - Software Serial
***************************************************/
TinyGPSPlus gps;
SoftwareSerial ss(6, 7);
// SoftwareSerial ss(6, 7);
/****************************************************
* Track each pair of X and Y coordinates
@ -157,6 +153,8 @@ int pnpoly(int nvert, float *vertx, float *verty, float testx, float testy)
}
/****************************************************
* Test a coordinate against all vertices
* - takes current GPS coordinates
* - return 1 if in bounds
***************************************************/
int check_bounds(float x, float y) {
return pnpoly(n_poly, polyx, polyy, x, y);
@ -167,9 +165,6 @@ int check_bounds(float x, float y) {
* - loading arrays in nanopb does not appear
* to work.
***************************************************/
typedef struct {
float x,y;
} coord;
void import_protobuf(uint8_t *protobuffer, uint32_t size) {
#define TYPE_STRING 0x0A
@ -235,26 +230,40 @@ void import_protobuf(uint8_t *protobuffer, uint32_t size) {
* this stuff does not work yet
*/
/*coord coordinates[10];
int32_t isr;
uint32_t isr;
isr = 0;
isr = protobuffer[1];
isr = 0;
isr = protobuffer[1];
Serial.print("Isr: ");
Serial.println(isr);
uint8_t *ptr = protobuffer+5;
for(int i=0;i<isr;i++)
{
memcpy(&coordinates[i].x, ptr + i*12, 4);
memcpy(&coordinates[i].y, ptr + i*12+5, 4);
}
if(isr>N_POLY_MAX) isr = N_POLY_MAX;
Serial.println("Recieved valid protobuf data?");
clear_verts();
for(int i=0;i<isr;i++) {
push_vert(coordinates[i].x, coordinates[i].y);
}*/
Serial.println("Recieved valid protobuf data?");
clear_verts();
uint8_t *ptr = protobuffer+5;
for(uint32_t i=0;i<isr;i++) {
if(i%5==0)
Serial.println();
float x,y;
memcpy(&x, ptr + i*12, 4);
memcpy(&y, ptr + i*12+5, 4);
Serial.print('(');
Serial.print(x);
Serial.print(',');
Serial.print(y);
Serial.print(')');
Serial.print(' ');
push_vert(x, y);
}
}
void do_send(osjob_t* j);
void onEvent (ev_t ev) {
Serial.print(os_getTime());
Serial.print(": ");
@ -294,18 +303,28 @@ void onEvent (ev_t ev) {
case EV_TXCOMPLETE:
Serial.println(F("EV_TXCOMPLETE (includes waiting for RX windows)"));
// if (LMIC.dataLen) {
// import_protobuf(LMIC.frame, LMIC.dataLen);
// }
if (LMIC.txrxFlags & TXRX_ACK)
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"));
}
if (LMIC.dataLen) {
Serial.println(F("Received "));
Serial.println(LMIC.dataLen);
// Serial.println(F(" bytes of payload"));
// for(int i=0;i<LMIC.dataLen;i++) {
// Serial.print(LMIC.frame[LMIC.dataBeg + i], HEX);
// Serial.print(' ');
// Serial.print('-');
// Serial.print(' ');
// if(i%10==0)
// Serial.println();
// }
// Serial.println();
import_protobuf(LMIC.frame + LMIC.dataBeg, LMIC.dataLen);
}
os_setTimedCallback(&sendjob, os_getTime()+sec2osticks(TX_INTERVAL), do_send);
break;
case EV_LOST_TSYNC:
Serial.println(F("EV_LOST_TSYNC"));
@ -358,14 +377,14 @@ void onEvent (ev_t ev) {
#define FIELD_TWO_VARIANT 0x10
void do_send(osjob_t* j){
uint8_t buffer[15] = {
TYPE_STRING,
PROTO_LEN,
FIELD_ONE_FLOAT, 0x00, 0x00, 0x48, 0x43,
FIELD_TWO_FLOAT, 0x00, 0x00, 0xc8, 0x42,
FIELD_TWO_VARIANT, 0, 0};
uint8_t buffer[] = {
TYPE_STRING,
PROTO_LEN,
FIELD_ONE_FLOAT, 0x00, 0x00, 0x48, 0x43,
FIELD_TWO_FLOAT, 0x00, 0x00, 0xc8, 0x42,
FIELD_TWO_VARIANT, 0};
void do_send(osjob_t* j){
// Check if there is not a current TX/RX job running
if (LMIC.opmode & OP_TXRXPEND) {
Serial.println(F("OP_TXRXPEND, not sending"));
@ -374,25 +393,23 @@ void do_send(osjob_t* j){
// transmit on port 1 (the first parameter); you can use any value from 1 to 223 (others are reserved).
// don't request an ack (the last parameter, if not zero, requests an ack from the network).
// Remember, acks consume a lot of network resources; don't ask for an ack unless you really need it.
float latitude = 123;
float longitude = 456;
latitude = 44.558308;
longitude = -123.28341;
float latitude = gps.location.lat();
float longitude = gps.location.lng();
int oob = check_bounds(latitude, longitude);
memcpy(buffer+3, (void*)&latitude, 4);
memcpy(buffer+8, (void*)&longitude, 4);
memcpy(buffer+13, (void*)&oob, 1);
LMIC_setTxData2(1, buffer, 14, 0);
LMIC_setTxData2(1, buffer, sizeof(buffer), 0);
}
// Next TX is scheduled after TX_COMPLETE event.
}
void setup() {
delay(1000);
Serial.begin(9600);
ss.begin(4800);
Serial.begin(4800);
// ss.begin(4800);
delay(100);
Serial.println(F("Starting"));
@ -436,7 +453,7 @@ void setup() {
// Set data rate and transmit power for uplink
LMIC_setDrTxpow(DR_SF7,14);
delay(100);
delay(2000);
// Start job
// do_send(&sendjob);
}
@ -446,10 +463,12 @@ void setup() {
***************************************************/
int read_gps() {
int ret = 0;
// while(ss.available()>0) {
// gps.encode(ss.read());
// ret = 1;
// }
// int timeout = 0;
while(Serial.available()>0) {// || timeout < 20) {
gps.encode(Serial.read());
ret = 1;
//timeout++;
}
return ret;
}
/****************************************************
@ -458,12 +477,17 @@ int read_gps() {
const int16_t PROGRESS_BAR_COUNT = 50;
const int16_t START_OF_LINE = 13;
int led_on = 0;
void clear_line() {
Serial.write(START_OF_LINE);
for(int i=0;i<PROGRESS_BAR_COUNT;i++)
Serial.write(' ');
Serial.write(START_OF_LINE);
digitalWrite(LED_BUILTIN, led_on);
led_on = !led_on;
}
/****************************************************
* State variables
* - track events of main loop
@ -476,85 +500,62 @@ enum STATE_ {
WAITING_LORA,
LORA_DONE
};
// int state = START_GPS;
int state = SENDING_LORA;
int state = START_GPS;
int loopCounter = 0;
int startTime = 0;
uint32_t got_data = 0;
void loop() {
if(state == START_GPS) {
Serial.println("Waiting for GPS");
state = WAITING_GPS;
}
else if(state == WAITING_GPS) {
int got_data =
read_gps();
/****************************************************
* loading bar animation
***************************************************/
if(got_data) {
//if(loopCounter%100==0)
// Serial.write('.');
if(loopCounter>PROGRESS_BAR_COUNT*100) {
// clear_line();
loopCounter=0;
state = VERIFYING_GPS;
}
loopCounter++;
}
}
else if(state == VERIFYING_GPS) {
/****************************************************
* if no data has been received from the gps in 5 seconds
* then the GPS is probably not connected properly
***************************************************/
if (millis() > 5000 && gps.charsProcessed() < 10)
{
Serial.println(F("No GPS detected: check wiring."));
while(true);
}
/****************************************************
* only send to LoRaWAN if valid GPS coordinates are
* available
***************************************************/
if(gps.location.isValid())
state = SENDING_LORA;
else
switch(state) {
case START_GPS:
Serial.println("Waiting for GPS");
state = WAITING_GPS;
}
else if(state == SENDING_LORA) {
/****************************************************
* send encoded buffer over LoRaWAN
***************************************************/
Serial.println("Sending LoRa Data...");
do_send(&sendjob);
break;
case WAITING_GPS:
got_data =
read_gps();
/****************************************************
* loading bar animation
***************************************************/
if(got_data) {
if(loopCounter%100==0)
Serial.write('.');
if(loopCounter>PROGRESS_BAR_COUNT*100) {
clear_line();
loopCounter=0;
/****************************************************
* set reference time for LoRaWAN transmission delay
***************************************************/
startTime = millis() / 1000;
state = WAITING_LORA;
}
else if(state == WAITING_LORA) {
/****************************************************
* don't block the GPS from reading here
***************************************************/
// read_gps();
state = VERIFYING_GPS;
}
loopCounter++;
}
break;
case VERIFYING_GPS:
/****************************************************
* if no data has been received from the gps in 5 seconds
* then the GPS is probably not connected properly
***************************************************/
if (millis() > 5000 && gps.charsProcessed() < 10)
{
Serial.println(F("No GPS detected: check wiring."));
while(true);
}
/****************************************************
* only send to LoRaWAN if valid GPS coordinates are
* available
***************************************************/
if(gps.location.isValid())
state = SENDING_LORA;
else
state = WAITING_GPS;
break;
case SENDING_LORA:
do_send(&sendjob);
/****************************************************
* if enough seconds have been delayed then move to
* next state
***************************************************/
if((millis()/1000 - startTime) >= TX_INTERVAL) {
Serial.println("Lora has finished waiting");
digitalWrite(LED_BUILTIN, 0);
state = LORA_DONE;
}
}
else if(state == LORA_DONE) {
state = VERIFYING_GPS;
state = SENDING_LORA;
break;
default:
break;
}
os_runloop_once();
}

737
lmic.h
View File

@ -1,737 +0,0 @@
/*
* Copyright (c) 2014-2016 IBM Corporation.
* Copyright (c) 2016 Matthijs Kooijman.
* Copyright (c) 2016-2020 MCCI Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//! @file
//! @brief LMIC API
#ifndef _lmic_h_
#define _lmic_h_
#include "oslmic.h"
#include "lorabase.h"
#if LMIC_DEBUG_LEVEL > 0 || LMIC_X_DEBUG_LEVEL > 0
# if defined(LMIC_DEBUG_INCLUDE)
# define LMIC_STRINGIFY_(x) #x
# define LMIC_STRINGIFY(x) LMIC_STRINGIFY_(x)
# include LMIC_STRINGIFY(LMIC_DEBUG_INCLUDE)
# endif
# ifdef LMIC_DEBUG_PRINTF_FN
extern void LMIC_DEBUG_PRINTF_FN(const char *f, ...);
# endif // ndef LMIC_DEBUG_PRINTF_FN
#endif
// if LMIC_DEBUG_PRINTF is now defined, just use it. This lets you do anything
// you like with a sufficiently crazy header file.
#if LMIC_DEBUG_LEVEL > 0
# ifndef LMIC_DEBUG_PRINTF
// otherwise, check whether someone configured a print-function to be used,
// and use it if so.
# ifdef LMIC_DEBUG_PRINTF_FN
# define LMIC_DEBUG_PRINTF(f, ...) LMIC_DEBUG_PRINTF_FN(f, ## __VA_ARGS__)
# ifndef LMIC_DEBUG_INCLUDE // If you use LMIC_DEBUG_INCLUDE, put the declaration in there
void LMIC_DEBUG_PRINTF_FN(const char *f, ...);
# endif // ndef LMIC_DEBUG_INCLUDE
# else // ndef LMIC_DEBUG_PRINTF_FN
// if there's no other info, just use printf. In a pure Arduino environment,
// that's what will happen.
# include <stdio.h>
# define LMIC_DEBUG_PRINTF(f, ...) printf(f, ## __VA_ARGS__)
# endif // ndef LMIC_DEBUG_PRINTF_FN
# endif // ndef LMIC_DEBUG_PRINTF
# ifndef LMIC_DEBUG_FLUSH
# ifdef LMIC_DEBUG_FLUSH_FN
# define LMIC_DEBUG_FLUSH() LMIC_DEBUG_FLUSH_FN()
# else // ndef LMIC_DEBUG_FLUSH_FN
// if there's no other info, assume that flush is not needed.
# define LMIC_DEBUG_FLUSH() do { ; } while (0)
# endif // ndef LMIC_DEBUG_FLUSH_FN
# endif // ndef LMIC_DEBUG_FLUSH
#else // LMIC_DEBUG_LEVEL == 0
// If debug level is zero, printf and flush expand to nothing.
# define LMIC_DEBUG_PRINTF(f, ...) do { ; } while (0)
# define LMIC_DEBUG_FLUSH() do { ; } while (0)
#endif // LMIC_DEBUG_LEVEL == 0
//
// LMIC_X_DEBUG_LEVEL enables additional, special print functions for debugging
// RSSI features. This is used sparingly.
#if LMIC_X_DEBUG_LEVEL > 0
# ifdef LMIC_DEBUG_PRINTF_FN
# define LMIC_X_DEBUG_PRINTF(f, ...) LMIC_DEBUG_PRINTF_FN(f, ## __VA_ARGS__)
# else
# error "LMIC_DEBUG_PRINTF_FN must be defined for LMIC_X_DEBUG_LEVEL > 0."
# endif
#else
# define LMIC_X_DEBUG_PRINTF(f, ...) do {;} while(0)
#endif
#ifdef __cplusplus
extern "C"{
#endif
#include <stdint.h>
// LMIC version -- this is ths IBM LMIC version
#define LMIC_VERSION_MAJOR 1
#define LMIC_VERSION_MINOR 6
#define LMIC_VERSION_BUILD 1468577746
// Arduino LMIC version
#define ARDUINO_LMIC_VERSION_CALC(major, minor, patch, local) \
((((major)*UINT32_C(1)) << 24) | (((minor)*UINT32_C(1)) << 16) | (((patch)*UINT32_C(1)) << 8) | (((local)*UINT32_C(1)) << 0))
#define ARDUINO_LMIC_VERSION ARDUINO_LMIC_VERSION_CALC(3, 2, 0, 0) /* v3.2.0 */
#define ARDUINO_LMIC_VERSION_GET_MAJOR(v) \
((((v)*UINT32_C(1)) >> 24u) & 0xFFu)
#define ARDUINO_LMIC_VERSION_GET_MINOR(v) \
((((v)*UINT32_C(1)) >> 16u) & 0xFFu)
#define ARDUINO_LMIC_VERSION_GET_PATCH(v) \
((((v)*UINT32_C(1)) >> 8u) & 0xFFu)
#define ARDUINO_LMIC_VERSION_GET_LOCAL(v) \
((v) & 0xFFu)
//! Only For Antenna Tuning Tests !
//#define CFG_TxContinuousMode 1
// since this was annouunced as the API variable, we keep it. But it's not used,
// MAX_LEN_FRAME is what the code uses.
enum { MAX_FRAME_LEN = MAX_LEN_FRAME }; //!< Library cap on max frame length
enum { TXCONF_ATTEMPTS = 8 }; //!< Transmit attempts for confirmed frames
enum { MAX_MISSED_BCNS = (2 * 60 * 60 + 127) / 128 }; //!< threshold for dropping out of class B, triggering rejoin requests
// note that we need 100 ppm timing accuracy for
// this, to keep the timing error to +/- 700ms.
enum { MAX_RXSYMS = 350 }; // Stop tracking beacon if sync error grows beyond this. A 0.4% clock error
// at SF9.125k means 512 ms; one sybol is 4.096 ms,
// so this needs to be at least 125 for an STM32L0.
// And for 100ppm clocks and 2 hours of beacon misses,
// this needs to accomodate 1.4 seconds of error at
// 4.096 ms/sym or at least 342 symbols.
enum { LINK_CHECK_CONT = 0 , // continue with this after reported dead link
LINK_CHECK_DEAD = 32 , // after this UP frames and no response to ack from NWK assume link is dead (ADR_ACK_DELAY)
LINK_CHECK_UNJOIN_MIN = LINK_CHECK_DEAD + 4, // this is the minimum value of LINK_CHECK_UNJOIN if we parameterize
LINK_CHECK_UNJOIN = LINK_CHECK_DEAD + (3 * 240), // after this many UP frames and no response, switch to join (by default)
LINK_CHECK_INIT = -64 , // UP frame count until we ask for ack (ADR_ACK_LIMIT)
LINK_CHECK_OFF =-128 }; // link check disabled
enum { TIME_RESYNC = 6*128 }; // secs
enum { TXRX_GUARD_ms = 6000 }; // msecs - don't start TX-RX transaction before beacon
enum { JOIN_GUARD_ms = 9000 }; // msecs - don't start Join Req/Acc transaction before beacon
enum { TXRX_BCNEXT_secs = 2 }; // secs - earliest start after beacon time
enum { RETRY_PERIOD_secs = 3 }; // secs - random period for retrying a confirmed send
#if CFG_LMIC_EU_like // EU868 spectrum ====================================================
enum { MAX_CHANNELS = 16 }; //!< Max supported channels
enum { MAX_BANDS = 4 };
enum { LIMIT_CHANNELS = (1<<4) }; // EU868 will never have more channels
//! \internal
struct band_t {
u2_t txcap; // duty cycle limitation: 1/txcap
s1_t txpow; // maximum TX power
u1_t lastchnl; // last used channel
ostime_t avail; // channel is blocked until this time
};
TYPEDEF_xref2band_t; //!< \internal
struct lmic_saved_adr_state_s {
u4_t channelFreq[MAX_CHANNELS];
u2_t channelMap;
};
#elif CFG_LMIC_US_like // US915 spectrum =================================================
enum { MAX_XCHANNELS = 2 }; // extra channels in RAM, channels 0-71 are immutable
struct lmic_saved_adr_state_s {
u2_t channelMap[(72+MAX_XCHANNELS+15)/16]; // enabled bits
u2_t activeChannels125khz;
u2_t activeChannels500khz;
};
#endif // ==========================================================================
typedef struct lmic_saved_adr_state_s lmic_saved_adr_state_t;
// Keep in sync with evdefs.hpp::drChange
enum { DRCHG_SET, DRCHG_NOJACC, DRCHG_NOACK, DRCHG_NOADRACK, DRCHG_NWKCMD, DRCHG_FRAMESIZE };
enum { KEEP_TXPOW = -128 };
#if !defined(DISABLE_PING)
//! \internal
struct rxsched_t {
dr_t dr;
u1_t intvExp; // 0..7
u1_t slot; // runs from 0 to 128
rxsyms_t rxsyms;
ostime_t rxbase;
ostime_t rxtime; // start of next spot
u4_t freq;
};
TYPEDEF_xref2rxsched_t; //!< \internal
#endif // !DISABLE_PING
#if !defined(DISABLE_BEACONS)
//! Parsing and tracking states of beacons.
enum { BCN_NONE = 0x00, //!< No beacon received
BCN_PARTIAL = 0x01, //!< Only first (common) part could be decoded (info,lat,lon invalid/previous)
BCN_FULL = 0x02, //!< Full beacon decoded
BCN_NODRIFT = 0x04, //!< No drift value measured yet
BCN_NODDIFF = 0x08 }; //!< No differential drift measured yet
//! Information about the last and previous beacons.
struct bcninfo_t {
ostime_t txtime; //!< Time when the beacon was sent
u4_t time; //!< GPS time in seconds of last beacon (received or surrogate)
s4_t lat; //!< Lat field of last beacon (valid only if BCN_FULL set)
s4_t lon; //!< Lon field of last beacon (valid only if BCN_FULL set)
s1_t rssi; //!< Adjusted RSSI value of last received beacon
s1_t snr; //!< Scaled SNR value of last received beacon
u1_t flags; //!< Last beacon reception and tracking states. See BCN_* values.
//
u1_t info; //!< Info field of last beacon (valid only if BCN_FULL set)
};
#endif // !DISABLE_BEACONS
// purpose of receive window - lmic_t.rxState
enum { RADIO_RST=0, RADIO_TX=1, RADIO_RX=2, RADIO_RXON=3, RADIO_TX_AT=4, };
// Netid values / lmic_t.netid
enum { NETID_NONE=(int)~0U, NETID_MASK=(int)0xFFFFFF };
// MAC operation modes (lmic_t.opmode).
enum { OP_NONE = 0x0000,
OP_SCAN = 0x0001, // radio scan to find a beacon
OP_TRACK = 0x0002, // track my networks beacon (netid)
OP_JOINING = 0x0004, // device joining in progress (blocks other activities)
OP_TXDATA = 0x0008, // TX user data (buffered in pendTxData)
OP_POLL = 0x0010, // send empty UP frame to ACK confirmed DN/fetch more DN data
OP_REJOIN = 0x0020, // occasionally send JOIN REQUEST
OP_SHUTDOWN = 0x0040, // prevent MAC from doing anything
OP_TXRXPEND = 0x0080, // TX/RX transaction pending
OP_RNDTX = 0x0100, // prevent TX lining up after a beacon
OP_PINGINI = 0x0200, // pingable is initialized and scheduling active
OP_PINGABLE = 0x0400, // we're pingable
OP_NEXTCHNL = 0x0800, // find a new channel
OP_LINKDEAD = 0x1000, // link was reported as dead
OP_TESTMODE = 0x2000, // developer test mode
OP_UNJOIN = 0x4000, // unjoin and rejoin on next engineUpdate().
};
// TX-RX transaction flags - report back to user
enum { TXRX_ACK = 0x80, // confirmed UP frame was acked
TXRX_NACK = 0x40, // confirmed UP frame was not acked
TXRX_NOPORT = 0x20, // set if a frame with a port was RXed, clr if no frame/no port
TXRX_PORT = 0x10, // set if a frame with a port was RXed, LMIC.frame[LMIC.dataBeg-1] => port
TXRX_LENERR = 0x08, // set if frame was discarded due to length error.
TXRX_PING = 0x04, // received in a scheduled RX slot
TXRX_DNW2 = 0x02, // received in 2dn DN slot
TXRX_DNW1 = 0x01, // received in 1st DN slot
};
// Event types for event callback
enum _ev_t { EV_SCAN_TIMEOUT=1, EV_BEACON_FOUND,
EV_BEACON_MISSED, EV_BEACON_TRACKED, EV_JOINING,
EV_JOINED, EV_RFU1, EV_JOIN_FAILED, EV_REJOIN_FAILED,
EV_TXCOMPLETE, EV_LOST_TSYNC, EV_RESET,
EV_RXCOMPLETE, EV_LINK_DEAD, EV_LINK_ALIVE, EV_SCAN_FOUND,
EV_TXSTART, EV_TXCANCELED, EV_RXSTART, EV_JOIN_TXCOMPLETE };
typedef enum _ev_t ev_t;
// this macro can be used to initalize a normal table of event strings
#define LMIC_EVENT_NAME_TABLE__INIT \
"<<zero>>", \
"EV_SCAN_TIMEOUT", "EV_BEACON_FOUND", \
"EV_BEACON_MISSED", "EV_BEACON_TRACKED", "EV_JOINING", \
"EV_JOINED", "EV_RFU1", "EV_JOIN_FAILED", "EV_REJOIN_FAILED", \
"EV_TXCOMPLETE", "EV_LOST_TSYNC", "EV_RESET", \
"EV_RXCOMPLETE", "EV_LINK_DEAD", "EV_LINK_ALIVE", "EV_SCAN_FOUND", \
"EV_TXSTART", "EV_TXCANCELED", "EV_RXSTART", "EV_JOIN_TXCOMPLETE"
// if working on an AVR (or worried about it), you can use this multi-zero
// string and put this in a single const F() string. Index through this
// counting up from 0, until you get to the entry you want or to an
// entry that begins with a \0.
#define LMIC_EVENT_NAME_MULTISZ__INIT \
"<<zero>>\0" \
"EV_SCAN_TIMEOUT\0" "EV_BEACON_FOUND\0" \
"EV_BEACON_MISSED\0" "EV_BEACON_TRACKED\0" "EV_JOINING\0" \
"EV_JOINED\0" "EV_RFU1\0" "EV_JOIN_FAILED\0" "EV_REJOIN_FAILED\0" \
"EV_TXCOMPLETE\0" "EV_LOST_TSYNC\0" "EV_RESET\0" \
"EV_RXCOMPLETE\0" "EV_LINK_DEAD\0" "EV_LINK_ALIVE\0" "EV_SCAN_FOUND\0" \
"EV_TXSTART\0" "EV_TXCANCELED\0" "EV_RXSTART\0" "EV_JOIN_TXCOMPLETE\0"
enum {
LMIC_ERROR_SUCCESS = 0,
LMIC_ERROR_TX_BUSY = -1,
LMIC_ERROR_TX_TOO_LARGE = -2,
LMIC_ERROR_TX_NOT_FEASIBLE = -3,
LMIC_ERROR_TX_FAILED = -4,
};
typedef int lmic_tx_error_t;
#define LMIC_ERROR_NAME__INIT \
"LMIC_ERROR_SUCCESS", \
"LMIC_ERROR_TX_BUSY", \
"LMIC_ERROR_TX_TOO_LARGE", \
"LMIC_ERROR_TX_NOT_FEASIBLE", \
"LMIC_ERROR_TX_FAILED"
#define LMIC_ERROR_NAME_MULTISZ__INIT \
"LMIC_ERROR_SUCCESS\0" \
"LMIC_ERROR_TX_BUSY\0" \
"LMIC_ERROR_TX_TOO_LARGE\0" \
"LMIC_ERROR_TX_NOT_FEASIBLE\0" \
"LMIC_ERROR_TX_FAILED"
enum {
LMIC_BEACON_ERROR_INVALID = -2,
LMIC_BEACON_ERROR_WRONG_NETWORK = -1,
LMIC_BEACON_ERROR_SUCCESS_PARTIAL = 0,
LMIC_BEACON_ERROR_SUCCESS_FULL = 1,
};
typedef s1_t lmic_beacon_error_t;
static inline bit_t LMIC_BEACON_SUCCESSFUL(lmic_beacon_error_t e) {
return e < 0;
}
// LMIC_CFG_max_clock_error_ppm
#if !defined(LMIC_CFG_max_clock_error_ppm)
# define LMIC_CFG_max_clock_error_ppm 2000 /* max clock error: 0.2% (2000 ppm) */
#endif
enum {
// This value represents 100% error in LMIC.clockError
MAX_CLOCK_ERROR = 65536,
//! \brief maximum clock error that users can specify: 2000 ppm (0.2%).
//! \details This is the limit for clock error, unless LMIC_ENABLE_arbitrary_clock_error is set.
//! The default is 4,000 ppm, which is .004, or 0.4%; this is what you get on an
//! STM32L0 running with the HSI oscillator after cal. If your clock error is bigger,
//! usually you want to calibrate it so that millis() and micros() are reasonably
//! accurate. Important: do not use clock error to compensate for late serving
//! of the LMIC. If you see that LMIC.radio.rxlate_count is increasing, you need
//! to adjust your application logic so the LMIC gets serviced promptly when a
//! Class A downlink (or beacon) is pending.
LMIC_kMaxClockError_ppm = 4000,
};
// callbacks for client alerts.
// types and functions are always defined, to reduce #ifs in example code and libraries.
typedef void LMIC_ABI_STD lmic_rxmessage_cb_t(void *pUserData, uint8_t port, const uint8_t *pMessage, size_t nMessage);
typedef void LMIC_ABI_STD lmic_txmessage_cb_t(void *pUserData, int fSuccess);
typedef void LMIC_ABI_STD lmic_event_cb_t(void *pUserData, ev_t e);
// network time request callback function
// defined unconditionally, because APIs and types can't change based on config.
// This is called when a time-request succeeds or when we get a downlink
// without time request, "completing" the pending time request.
typedef void LMIC_ABI_STD lmic_request_network_time_cb_t(void *pUserData, int flagSuccess);
// how the network represents time.
typedef u4_t lmic_gpstime_t;
// rather than deal with 1/256 second tick, we adjust ostime back
// (as it's high res) to match tNetwork.
typedef struct lmic_time_reference_s lmic_time_reference_t;
struct lmic_time_reference_s {
// our best idea of when we sent the uplink (end of packet).
ostime_t tLocal;
// the network's best idea of when we sent the uplink.
lmic_gpstime_t tNetwork;
};
enum lmic_request_time_state_e {
lmic_RequestTimeState_idle = 0, // we're not doing anything
lmic_RequestTimeState_tx, // we want to tx a time request on next uplink
lmic_RequestTimeState_rx, // we have tx'ed, next downlink completes.
lmic_RequestTimeState_success // we sucessfully got time.
};
typedef u1_t lmic_request_time_state_t;
enum lmic_engine_update_state_e {
lmic_EngineUpdateState_idle = 0, // engineUpdate is idle.
lmic_EngineUpdateState_busy = 1, // engineUpdate is busy, but has not been reentered.
lmic_EngineUpdateState_again = 2, // engineUpdate is busy, and has to be evaluated again.
};
typedef u1_t lmic_engine_update_state_t;
/*
Structure: lmic_client_data_t
Function:
Holds LMIC client data that must live through LMIC_reset().
Description:
There are a variety of client registration linkage items that
must live through LMIC_reset(), because LMIC_reset() is called
at frame rollover time. We group them together into a structure
to make copies easy.
*/
//! abstract type for collection of client data that survives LMIC_reset().
typedef struct lmic_client_data_s lmic_client_data_t;
//! contents of lmic_client_data_t
struct lmic_client_data_s {
/* pointer-width things come first */
#if LMIC_ENABLE_DeviceTimeReq
lmic_request_network_time_cb_t *pNetworkTimeCb; //! call-back routine for network time
void *pNetworkTimeUserData; //! call-back data for network time.
#endif
#if LMIC_ENABLE_user_events
lmic_event_cb_t *eventCb; //! user-supplied callback function for events.
void *eventUserData; //! data for eventCb
lmic_rxmessage_cb_t *rxMessageCb; //! user-supplied message-received callback
void *rxMessageUserData; //! data for rxMessageCb
lmic_txmessage_cb_t *txMessageCb; //! transmit-complete message handler; reset on each tx complete.
void *txMessageUserData; //! data for txMessageCb.
#endif // LMIC_ENABLE_user_events
/* next we have things that are (u)int32_t */
/* none at the moment */
/* next we have things that are (u)int16_t */
u2_t clockError; //! Inaccuracy in the clock. CLOCK_ERROR_MAX represents +/-100% error
/* finally, things that are (u)int8_t */
/* none at the moment */
};
/*
Structure: lmic_radio_data_t
Function:
Holds LMIC radio driver.
Description:
Eventually this will be used for all portable things for the radio driver,
but for now it's where we can start to add things.
*/
typedef struct lmic_radio_data_s lmic_radio_data_t;
struct lmic_radio_data_s {
// total os ticks of accumulated delay error. Can overflow!
ostime_t rxlate_ticks;
// number of rx late launches.
unsigned rxlate_count;
// total os ticks of accumulated tx delay error. Can overflow!
ostime_t txlate_ticks;
// number of tx late launches.
unsigned txlate_count;
};
/*
Structure: lmic_t
Function:
Provides the instance data for the LMIC.
*/
struct lmic_t {
// client setup data, survives LMIC_reset().
lmic_client_data_t client;
// the OS job object. pointer alignment.
osjob_t osjob;
#if !defined(DISABLE_BEACONS)
bcninfo_t bcninfo; // Last received beacon info
#endif
#if !defined(DISABLE_PING)
rxsched_t ping; // pingable setup
#endif
// the radio driver portable context
lmic_radio_data_t radio;
/* (u)int32_t things */
// Radio settings TX/RX (also accessed by HAL)
ostime_t txend;
ostime_t rxtime;
// LBT info
ostime_t lbt_ticks; // ticks to listen
u4_t freq;
ostime_t globalDutyAvail; // time device can send again
u4_t netid; // current network id (~0 - none)
devaddr_t devaddr;
u4_t seqnoDn; // device level down stream seqno
u4_t seqnoUp;
u4_t dn2Freq;
#if !defined(DISABLE_BEACONS)
ostime_t bcnRxtime;
#endif
#if LMIC_ENABLE_DeviceTimeReq
// put here for alignment, to reduce RAM use.
ostime_t localDeviceTime; // the LMIC.txend value for last DeviceTimeAns
lmic_gpstime_t netDeviceTime; // the netDeviceTime for lastDeviceTimeAns
// zero ==> not valid.
#endif // LMIC_ENABLE_DeviceTimeReq
// Channel scheduling -- very much private
#if CFG_LMIC_EU_like
band_t bands[MAX_BANDS];
u4_t channelFreq[MAX_CHANNELS];
#if !defined(DISABLE_MCMD_DlChannelReq)
u4_t channelDlFreq[MAX_CHANNELS];
#endif
// bit map of enabled datarates for each channel
u2_t channelDrMap[MAX_CHANNELS];
u2_t channelMap;
#elif CFG_LMIC_US_like
u4_t xchFreq[MAX_XCHANNELS]; // extra channel frequencies (if device is behind a repeater)
u2_t xchDrMap[MAX_XCHANNELS]; // extra channel datarate ranges ---XXX: ditto
u2_t channelMap[(72+MAX_XCHANNELS+15)/16]; // enabled bits
u2_t activeChannels125khz;
u2_t activeChannels500khz;
#endif
/* (u)int16_t things */
rps_t rps; // radio parameter selections: SF, BW, CodingRate, NoCrc, implicit hdr
u2_t opmode; // engineUpdate() operating mode flags
u2_t devNonce; // last generated nonce
s2_t adrAckReq; // counter for link integrity tracking (LINK_CHECK_OFF=off)
#if !defined(DISABLE_BEACONS)
s2_t drift; // last measured drift
s2_t lastDriftDiff;
s2_t maxDriftDiff;
rxsyms_t bcnRxsyms; //
#endif
/* (u)int8_t things */
lmic_engine_update_state_t engineUpdateState; // state of the engineUpdate() evaluator.
s1_t rssi;
s1_t snr; // LMIC.snr is SNR times 4
rxsyms_t rxsyms; // symbols for receive timeout.
u1_t dndr;
s1_t txpow; // transmit dBm (administrative)
s1_t radio_txpow; // the radio driver's copy of txpow, in dB limited by adrTxPow, and
// also adjusted for EIRP/antenna gain considerations.
// This is just the radio's idea of power. So if you are
// controlling EIRP, and you have 3 dB antenna gain, this
// needs to reduced by 3 dB.
s1_t lbt_dbmax; // max permissible dB on our channel (eg -80)
u1_t txChnl; // channel for next TX
u1_t globalDutyRate; // max rate: 1/2^k
u1_t upRepeat; // configured up repeat
s1_t adrTxPow; // ADR adjusted TX power
u1_t datarate; // current data rate
u1_t errcr; // error coding rate (used for TX only)
u1_t rejoinCnt; // adjustment for rejoin datarate
u1_t upRepeatCount; // current up-repeat
bit_t initBandplanAfterReset; // cleared by LMIC_reset(), set by first join. See issue #244
u1_t pendTxPort;
u1_t pendTxConf; // confirmed data
u1_t pendTxLen; // count of bytes in pendTxData.
u1_t pendTxData[MAX_LEN_PAYLOAD];
u1_t pendMacLen; // number of bytes of pending Mac response data
bit_t pendMacPiggyback; // received on port 0 or piggyback?
// response data if piggybacked
u1_t pendMacData[LWAN_FCtrl_FOptsLen_MAX];
u1_t nwkKey[16]; // network session key
u1_t artKey[16]; // application router session key
u1_t dnConf; // dn frame confirm pending: LORA::FCT_ACK or 0
u1_t lastDnConf; // downlink with seqnoDn-1 requested confirmation
u1_t adrChanged;
u1_t rxDelay; // Rx delay after TX
u1_t margin;
s1_t devAnsMargin; // SNR value between -32 and 31 (inclusive) for the last successfully received DevStatusReq command
u1_t adrEnabled;
u1_t moreData; // NWK has more data pending
#if LMIC_ENABLE_TxParamSetupReq
u1_t txParam; // the saved TX param byte.
#endif
#if LMIC_ENABLE_DeviceTimeReq
lmic_request_time_state_t txDeviceTimeReqState; // current state, initially idle.
u1_t netDeviceTimeFrac; // updated on any DeviceTimeAns.
#endif
// rx1DrOffset is the offset from uplink to downlink datarate
u1_t rx1DrOffset; // captured from join. zero by default.
// 2nd RX window (after up stream)
u1_t dn2Dr;
#if !defined(DISABLE_MCMD_RXParamSetupReq)
u1_t dn2Ans; // 0=no answer pend, 0x80+ACKs
#endif
#if !defined(DISABLE_MCMD_DlChannelReq)
u1_t macDlChannelAns; // 0 ==> no answer pending, 0x80+ACK bits
#endif
#if !defined(DISABLE_MCMD_RXTimingSetupReq)
bit_t macRxTimingSetupAns; // 0 ==> no answer pend, non-zero inserts response.
#endif
// Class B state
#if !defined(DISABLE_BEACONS)
u1_t missedBcns; // unable to track last N beacons
u1_t bcninfoTries; // how often to try (scan mode only)
#endif
// Public part of MAC state
u1_t txCnt;
u1_t txrxFlags; // transaction flags (TX-RX combo)
u1_t dataBeg; // 0 or start of data (dataBeg-1 is port)
u1_t dataLen; // 0 no data or zero length data, >0 byte count of data
u1_t frame[MAX_LEN_FRAME];
#if !defined(DISABLE_BEACONS)
u1_t bcnChnl;
#endif
u1_t noRXIQinversion;
u1_t saveIrqFlags; // last LoRa IRQ flags
};
//! \var struct lmic_t LMIC
//! The state of LMIC MAC layer is encapsulated in this variable.
DECLARE_LMIC; //!< \internal
//! Construct a bit map of allowed datarates from drlo to drhi (both included).
#define DR_RANGE_MAP(drlo,drhi) (((u2_t)0xFFFF<<(drlo)) & ((u2_t)0xFFFF>>(15-(drhi))))
bit_t LMIC_setupBand (u1_t bandidx, s1_t txpow, u2_t txcap);
bit_t LMIC_setupChannel (u1_t channel, u4_t freq, u2_t drmap, s1_t band);
bit_t LMIC_disableChannel (u1_t channel);
bit_t LMIC_enableSubBand(u1_t band);
bit_t LMIC_enableChannel(u1_t channel);
bit_t LMIC_disableSubBand(u1_t band);
bit_t LMIC_selectSubBand(u1_t band);
void LMIC_setDrTxpow (dr_t dr, s1_t txpow); // set default/start DR/txpow
void LMIC_setAdrMode (bit_t enabled); // set ADR mode (if mobile turn off)
#if !defined(DISABLE_JOIN)
bit_t LMIC_startJoining (void);
void LMIC_tryRejoin (void);
void LMIC_unjoin (void);
void LMIC_unjoinAndRejoin (void);
#endif
void LMIC_shutdown (void);
void LMIC_init (void);
void LMIC_reset (void);
void LMIC_clrTxData (void);
void LMIC_setTxData (void);
void LMIC_setTxData_strict(void);
lmic_tx_error_t LMIC_setTxData2(u1_t port, xref2u1_t data, u1_t dlen, u1_t confirmed);
lmic_tx_error_t LMIC_setTxData2_strict(u1_t port, xref2u1_t data, u1_t dlen, u1_t confirmed);
lmic_tx_error_t LMIC_sendWithCallback(u1_t port, xref2u1_t data, u1_t dlen, u1_t confirmed, lmic_txmessage_cb_t *pCb, void *pUserData);
lmic_tx_error_t LMIC_sendWithCallback_strict(u1_t port, xref2u1_t data, u1_t dlen, u1_t confirmed, lmic_txmessage_cb_t *pCb, void *pUserData);
void LMIC_sendAlive (void);
#if !defined(DISABLE_BEACONS)
bit_t LMIC_enableTracking (u1_t tryBcnInfo);
void LMIC_disableTracking (void);
#endif
#if !defined(DISABLE_PING)
void LMIC_stopPingable (void);
void LMIC_setPingable (u1_t intvExp);
#endif
void LMIC_setSession (u4_t netid, devaddr_t devaddr, xref2u1_t nwkKey, xref2u1_t artKey);
void LMIC_setLinkCheckMode (bit_t enabled);
void LMIC_setClockError(u2_t error);
u4_t LMIC_getSeqnoUp (void);
u4_t LMIC_setSeqnoUp (u4_t);
void LMIC_getSessionKeys (u4_t *netid, devaddr_t *devaddr, xref2u1_t nwkKey, xref2u1_t artKey);
void LMIC_requestNetworkTime(lmic_request_network_time_cb_t *pCallbackfn, void *pUserData);
int LMIC_getNetworkTimeReference(lmic_time_reference_t *pReference);
int LMIC_registerRxMessageCb(lmic_rxmessage_cb_t *pRxMessageCb, void *pUserData);
int LMIC_registerEventCb(lmic_event_cb_t *pEventCb, void *pUserData);
// APIs for client half of compliance.
typedef u1_t lmic_compliance_rx_action_t;
enum lmic_compliance_rx_action_e {
LMIC_COMPLIANCE_RX_ACTION_PROCESS = 0, // process this message normally
LMIC_COMPLIANCE_RX_ACTION_START, // enter compliance mode, discard this message
LMIC_COMPLIANCE_RX_ACTION_IGNORE, // continue in compliance mode, discard this message
LMIC_COMPLIANCE_RX_ACTION_END // exit compliance mode, discard this message
};
lmic_compliance_rx_action_t LMIC_complianceRxMessage(u1_t port, const u1_t *pMessage, size_t nMessage);
// Declare onEvent() function, to make sure any definition will have the
// C conventions, even when in a C++ file.
#if LMIC_ENABLE_onEvent
DECL_ON_LMIC_EVENT;
#endif /* LMIC_ENABLE_onEvent */
// Special APIs - for development or testing
// !!!See implementation for caveats!!!
#ifdef __cplusplus
} // extern "C"
#endif
// names for backward compatibility
#include "lmic_compat.h"
#endif // _lmic_h_

47
lmic_project_config.h
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@ -1,47 +0,0 @@
// project-specific definitions
//#define CFG_eu868 1
#define CFG_us915 1
//#define CFG_au915 1
//#define CFG_as923 1
// #define LMIC_COUNTRY_CODE LMIC_COUNTRY_CODE_JP /* for as923-JP */
//#define CFG_kr920 1
//#define CFG_in866 1
#define CFG_sx1276_radio 1
//#define LMIC_USE_INTERRUPTS
// define this in lmic_project_config.h to disable all code related to joining
#define DISABLE_JOIN
// define this in lmic_project_config.h to disable all code related to ping
#define DISABLE_PING
// define this in lmic_project_config.h to disable all code related to beacon tracking.
// Requires ping to be disabled too
#define DISABLE_BEACONS
// define these in lmic_project_config.h to disable the corresponding MAC commands.
// Class A
//#define DISABLE_MCMD_DutyCycleReq // duty cycle cap
//#define DISABLE_MCMD_RXParamSetupReq // 2nd DN window param
//#define DISABLE_MCMD_NewChannelReq // set new channel
//#define DISABLE_MCMD_DlChannelReq // set downlink channel for RX1 for given uplink channel.
//#define DISABLE_MCMD_RXTimingSetupReq // delay between TX and RX
// Class B
//#define DISABLE_MCMD_PingSlotChannelReq // set ping freq, automatically disabled by DISABLE_PING
//#define ENABLE_MCMD_BeaconTimingAns // next beacon start, DEPRECATED, normally disabled by DISABLE_BEACON
// DEPRECATED(tmm@mcci.com); replaced by LMIC.noRXIQinversion (dynamic). Don't define this.
//#define DISABLE_INVERT_IQ_ON_RX
// This allows choosing between multiple included AES implementations.
// Make sure exactly one of these is uncommented.
//
// This selects the original AES implementation included LMIC. This
// implementation is optimized for speed on 32-bit processors using
// fairly big lookup tables, but it takes up big amounts of flash on the
// AVR architecture.
// #define USE_ORIGINAL_AES
//
// This selects the AES implementation written by Ideetroon for their
// own LoRaWAN library. It also uses lookup tables, but smaller
// byte-oriented ones, making it use a lot less flash space (but it is
// also about twice as slow as the original).
// #define USE_IDEETRON_AES