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gateway.c
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#include <stdio.h>
#include <stdio.h>
#include <curl/curl.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <errno.h>
#include <stdint.h>
#include <time.h>
#include <stdarg.h>
#include <pthread.h>
#include <curses.h>
#include <math.h>
#include <dirent.h>
#include <wiringPi.h>
#include <wiringPiSPI.h>
#include "urlencode.h"
#include "base64.h"
#include "ssdv.h"
#include "ftp.h"
#include "habitat.h"
#include "network.h"
#include "global.h"
bool run = TRUE;
// RFM98
uint8_t currentMode = 0x81;
#define REG_FIFO 0x00
#define REG_FIFO_ADDR_PTR 0x0D
#define REG_FIFO_TX_BASE_AD 0x0E
#define REG_FIFO_RX_BASE_AD 0x0F
#define REG_RX_NB_BYTES 0x13
#define REG_OPMODE 0x01
#define REG_FIFO_RX_CURRENT_ADDR 0x10
#define REG_IRQ_FLAGS 0x12
#define REG_PACKET_SNR 0x19
#define REG_PACKET_RSSI 0x1A
#define REG_CURRENT_RSSI 0x1B
#define REG_DIO_MAPPING_1 0x40
#define REG_DIO_MAPPING_2 0x41
#define REG_MODEM_CONFIG 0x1D
#define REG_MODEM_CONFIG2 0x1E
#define REG_MODEM_CONFIG3 0x26
#define REG_PAYLOAD_LENGTH 0x22
#define REG_IRQ_FLAGS_MASK 0x11
#define REG_HOP_PERIOD 0x24
#define REG_FREQ_ERROR 0x28
#define REG_DETECT_OPT 0x31
#define REG_DETECTION_THRESHOLD 0x37
// MODES
#define RF96_MODE_RX_CONTINUOUS 0x85
#define RF96_MODE_SLEEP 0x80
#define RF96_MODE_STANDBY 0x81
#define PAYLOAD_LENGTH 255
// Modem Config 1
#define EXPLICIT_MODE 0x00
#define IMPLICIT_MODE 0x01
#define ERROR_CODING_4_5 0x02
#define ERROR_CODING_4_6 0x04
#define ERROR_CODING_4_7 0x06
#define ERROR_CODING_4_8 0x08
#define BANDWIDTH_7K8 0x00
#define BANDWIDTH_10K4 0x10
#define BANDWIDTH_15K6 0x20
#define BANDWIDTH_20K8 0x30
#define BANDWIDTH_31K25 0x40
#define BANDWIDTH_41K7 0x50
#define BANDWIDTH_62K5 0x60
#define BANDWIDTH_125K 0x70
#define BANDWIDTH_250K 0x80
#define BANDWIDTH_500K 0x90
// Modem Config 2
#define SPREADING_6 0x60
#define SPREADING_7 0x70
#define SPREADING_8 0x80
#define SPREADING_9 0x90
#define SPREADING_10 0xA0
#define SPREADING_11 0xB0
#define SPREADING_12 0xC0
#define CRC_OFF 0x00
#define CRC_ON 0x04
// POWER AMPLIFIER CONFIG
#define REG_PA_CONFIG 0x09
#define PA_MAX_BOOST 0x8F
#define PA_LOW_BOOST 0x81
#define PA_MED_BOOST 0x8A
#define PA_OFF_BOOST 0x00
#define RFO_MIN 0x00
// LOW NOISE AMPLIFIER
#define REG_LNA 0x0C
#define LNA_MAX_GAIN 0x23 // 0010 0011
#define LNA_OFF_GAIN 0x00
#define LNA_LOW_GAIN 0xC0 // 1100 0000
struct TPayload
{
int InUse;
char Payload[32];
};
struct TConfig Config;
struct TPayload Payloads[16];
#pragma pack(1)
struct TBinaryPacket
{
uint8_t PayloadIDs;
uint16_t Counter;
uint16_t BiSeconds;
float Latitude;
float Longitude;
uint16_t Altitude;
};
const char *Modes[6] = {"Slow", "SSDV", "Repeater", "Turbo", "TurboX", "Calling"};
void writeRegister(int Channel, uint8_t reg, uint8_t val)
{
unsigned char data[2];
data[0] = reg | 0x80;
data[1] = val;
wiringPiSPIDataRW(Channel, data, 2);
}
uint8_t readRegister(int Channel, uint8_t reg)
{
unsigned char data[2];
uint8_t val;
data[0] = reg & 0x7F;
data[1] = 0;
wiringPiSPIDataRW(Channel, data, 2);
val = data[1];
return val;
}
void LogMessage(const char *format, ...)
{
static WINDOW *Window=NULL;
char Buffer[200];
if (Window == NULL)
{
// Window = newwin(25, 30, 0, 50);
Window = newwin(9, 80, 16, 0);
scrollok(Window, TRUE);
}
va_list args;
va_start(args, format);
vsprintf(Buffer, format, args);
va_end(args);
if (strlen(Buffer) > 79)
{
Buffer[77] = '.';
Buffer[78] = '.';
Buffer[79] = '\n';
Buffer[80] = 0;
}
waddstr(Window, Buffer);
wrefresh(Window);
}
void ChannelPrintf(int Channel, int row, int column, const char *format, ...)
{
char Buffer[80];
va_list args;
va_start(args, format);
vsprintf(Buffer, format, args);
va_end(args);
mvwaddstr(Config.LoRaDevices[Channel].Window, row, column, Buffer);
wrefresh(Config.LoRaDevices[Channel].Window);
}
void setMode(int Channel, uint8_t newMode)
{
if(newMode == currentMode)
return;
switch (newMode)
{
case RF96_MODE_RX_CONTINUOUS:
writeRegister(Channel, REG_PA_CONFIG, PA_OFF_BOOST); // TURN PA OFF FOR RECIEVE??
writeRegister(Channel, REG_LNA, LNA_MAX_GAIN); // LNA_MAX_GAIN); // MAX GAIN FOR RECIEVE
writeRegister(Channel, REG_OPMODE, newMode);
currentMode = newMode;
// LogMessage("Changing to Receive Continuous Mode\n");
break;
case RF96_MODE_SLEEP:
writeRegister(Channel, REG_OPMODE, newMode);
currentMode = newMode;
// LogMessage("Changing to Sleep Mode\n");
break;
case RF96_MODE_STANDBY:
writeRegister(Channel, REG_OPMODE, newMode);
currentMode = newMode;
// LogMessage("Changing to Standby Mode\n");
break;
default: return;
}
if(newMode != RF96_MODE_SLEEP)
{
delay(1);
}
// LogMessage("Mode Change Done\n");
return;
}
void setFrequency(int Channel, double Frequency)
{
unsigned long FrequencyValue;
FrequencyValue = (unsigned long)(Frequency * 7110656 / 434);
writeRegister(Channel, 0x06, (FrequencyValue >> 16) & 0xFF); // Set frequency
writeRegister(Channel, 0x07, (FrequencyValue >> 8) & 0xFF);
writeRegister(Channel, 0x08, FrequencyValue & 0xFF);
Config.LoRaDevices[Channel].activeFreq = Frequency;
// LogMessage("Set Frequency to %lf\n", Frequency);
ChannelPrintf(Channel, 1, 1, "Channel %d %8.4lfMHz ", Channel, Frequency);
// ChannelPrintf(Channel, 1, 1, "Channel %d %8.4lfMHz %s mode", Channel, Frequency, Modes[Config.LoRaDevices[Channel].SpeedMode]);
// ChannelPrintf(Channel, 1, 11, "%8.4fMHz", Frequency);
}
void setLoRaMode(int Channel)
{
double Frequency;
unsigned long FrequencyValue;
// LogMessage("Setting LoRa Mode\n");
setMode(Channel, RF96_MODE_SLEEP);
writeRegister(Channel, REG_OPMODE,0x80);
setMode(Channel, RF96_MODE_SLEEP);
if (sscanf(Config.LoRaDevices[Channel].Frequency, "%lf", &Frequency))
{
// LogMessage("Set Default Frequency\n");
setFrequency(Channel, Frequency);
}
}
char *BandwidthString(int Bandwidth)
{
if (Bandwidth == BANDWIDTH_7K8) return "7.8k";
if (Bandwidth == BANDWIDTH_10K4) return "10.4k";
if (Bandwidth == BANDWIDTH_15K6) return "15.6k";
if (Bandwidth == BANDWIDTH_20K8) return "20.8k";
if (Bandwidth == BANDWIDTH_31K25) return "31.25k";
if (Bandwidth == BANDWIDTH_41K7) return "41.7k";
if (Bandwidth == BANDWIDTH_62K5) return "62.5k";
if (Bandwidth == BANDWIDTH_125K) return "125k";
if (Bandwidth == BANDWIDTH_250K) return "250k";
if (Bandwidth == BANDWIDTH_500K) return "500k";
return "??k";
}
void SetLoRaParameters(int Channel, int ImplicitOrExplicit, int ErrorCoding, int Bandwidth, int SpreadingFactor, int LowDataRateOptimize)
{
writeRegister(Channel, REG_MODEM_CONFIG, ImplicitOrExplicit | ErrorCoding | Bandwidth);
writeRegister(Channel, REG_MODEM_CONFIG2, SpreadingFactor | CRC_ON);
writeRegister(Channel, REG_MODEM_CONFIG3, 0x04 | LowDataRateOptimize); // 0x04: AGC sets LNA gain
writeRegister(Channel, REG_DETECT_OPT, (readRegister(Channel, REG_DETECT_OPT) & 0xF8) | ((SpreadingFactor == SPREADING_6) ? 0x05 : 0x03)); // 0x05 For SF6; 0x03 otherwise
writeRegister(Channel, REG_DETECTION_THRESHOLD, (SpreadingFactor == SPREADING_6) ? 0x0C : 0x0A); // 0x0C for SF6, 0x0A otherwise
Config.LoRaDevices[Channel].CurrentBandwidth = Bandwidth;
ChannelPrintf(Channel, 2, 1, "%s, %s, SF%d, EC4:%d %s",
ImplicitOrExplicit == IMPLICIT_MODE ? "Implicit" : "Explicit",
BandwidthString(Bandwidth),
SpreadingFactor >> 4,
(ErrorCoding >> 1) + 4,
LowDataRateOptimize ? "LDRO" : "");
}
void SetDefaultLoRaParameters(int Channel)
{
// LogMessage("Set Default Parameters\n");
SetLoRaParameters(Channel,
Config.LoRaDevices[Channel].ImplicitOrExplicit,
Config.LoRaDevices[Channel].ErrorCoding,
Config.LoRaDevices[Channel].Bandwidth,
Config.LoRaDevices[Channel]. SpreadingFactor,
Config.LoRaDevices[Channel].LowDataRateOptimize);
}
/////////////////////////////////////
// Method: Setup to receive continuously
//////////////////////////////////////
void startReceiving(int Channel)
{
// writeRegister(Channel, REG_MODEM_CONFIG, Config.LoRaDevices[Channel].ImplicitOrExplicit | Config.LoRaDevices[Channel].ErrorCoding | Config.LoRaDevices[Channel].Bandwidth);
// writeRegister(Channel, REG_MODEM_CONFIG2, Config.LoRaDevices[Channel].SpreadingFactor | CRC_ON);
// writeRegister(Channel, REG_MODEM_CONFIG3, 0x04 | Config.LoRaDevices[Channel].LowDataRateOptimize); // 0x04: AGC sets LNA gain
// writeRegister(Channel, REG_DETECT_OPT, (readRegister(Channel, REG_DETECT_OPT) & 0xF8) | ((Config.LoRaDevices[Channel].SpreadingFactor == SPREADING_6) ? 0x05 : 0x03)); // 0x05 For SF6; 0x03 otherwise
// writeRegister(Channel, REG_DETECTION_THRESHOLD, (Config.LoRaDevices[Channel].SpreadingFactor == SPREADING_6) ? 0x0C : 0x0A); // 0x0C for SF6, 0x0A otherwise
// writeRegister(Channel, REG_PAYLOAD_LENGTH, Config.LoRaDevices[Channel].PayloadLength);
// writeRegister(Channel, REG_RX_NB_BYTES, Config.LoRaDevices[Channel].PayloadLength);
writeRegister(Channel, REG_PAYLOAD_LENGTH, 255);
writeRegister(Channel, REG_RX_NB_BYTES, 255);
// writeRegister(Channel, REG_HOP_PERIOD,0xFF);
// writeRegister(Channel, REG_FIFO_ADDR_PTR, readRegister(Channel, REG_FIFO_RX_BASE_AD));
writeRegister(Channel, REG_FIFO_RX_BASE_AD, 0);
writeRegister(Channel, REG_FIFO_ADDR_PTR, 0);
// Setup Receive Continous Mode
setMode(Channel, RF96_MODE_RX_CONTINUOUS);
}
void ReTune(int Channel, double FreqShift)
{
setMode(Channel, RF96_MODE_SLEEP);
LogMessage("Retune by %lf kHz\n", FreqShift * 1000);
setFrequency(Channel, Config.LoRaDevices[Channel].activeFreq + FreqShift);
startReceiving(Channel);
}
void setupRFM98(int Channel)
{
if (Config.LoRaDevices[Channel].InUse)
{
// initialize the pins
pinMode(Config.LoRaDevices[Channel].DIO0, INPUT);
pinMode(Config.LoRaDevices[Channel].DIO5, INPUT);
if (wiringPiSPISetup(Channel, 500000) < 0)
{
fprintf(stderr, "Failed to open SPI port. Try loading spi library with 'gpio load spi'");
exit(1);
}
// LoRa mode
setLoRaMode(Channel);
SetDefaultLoRaParameters(Channel);
startReceiving(Channel);
}
}
void ShowPacketCounts(int Channel)
{
if (Config.LoRaDevices[Channel].InUse)
{
ChannelPrintf(Channel, 7, 1, "Telem Packets = %d", Config.LoRaDevices[Channel].TelemetryCount);
ChannelPrintf(Channel, 8, 1, "Image Packets = %d", Config.LoRaDevices[Channel].SSDVCount);
ChannelPrintf(Channel, 9, 1, "Bad CRC = %d Bad Type = %d", Config.LoRaDevices[Channel].BadCRCCount, Config.LoRaDevices[Channel].UnknownCount);
}
}
double FrequencyReference(int Channel)
{
switch (Config.LoRaDevices[Channel].CurrentBandwidth)
{
case BANDWIDTH_7K8: return 7800;
case BANDWIDTH_10K4: return 10400;
case BANDWIDTH_15K6: return 15600;
case BANDWIDTH_20K8: return 20800;
case BANDWIDTH_31K25: return 31250;
case BANDWIDTH_41K7: return 41700;
case BANDWIDTH_62K5: return 62500;
case BANDWIDTH_125K: return 125000;
case BANDWIDTH_250K: return 250000;
case BANDWIDTH_500K: return 500000;
}
}
double FrequencyError(int Channel)
{
int32_t Temp;
Temp = (int32_t)readRegister(Channel, REG_FREQ_ERROR) & 7;
Temp <<= 8L;
Temp += (int32_t)readRegister(Channel, REG_FREQ_ERROR+1);
Temp <<= 8L;
Temp += (int32_t)readRegister(Channel, REG_FREQ_ERROR+2);
if (readRegister(Channel, REG_FREQ_ERROR) & 8)
{
Temp = Temp - 524288;
}
return - ((double)Temp * (1<<24) / 32000000.0) * (FrequencyReference(Channel) / 500000.0);
}
int receiveMessage(int Channel, unsigned char *message)
{
int i, Bytes, currentAddr, x;
unsigned char data[257];
double FreqError;
Bytes = 0;
x = readRegister(Channel, REG_IRQ_FLAGS);
// LogMessage("Message status = %02Xh\n", x);
// clear the rxDone flag
writeRegister(Channel, REG_IRQ_FLAGS, 0x40);
// check for payload crc issues (0x20 is the bit we are looking for
if((x & 0x20) == 0x20)
{
LogMessage("CRC Failure, Ch %d RSSI %d\n", Channel, readRegister(Channel, REG_PACKET_RSSI) - 157);
// reset the crc flags
writeRegister(Channel, REG_IRQ_FLAGS, 0x20);
ChannelPrintf(Channel, 4, 1, "CRC Failure %02Xh!!\n", x);
Config.LoRaDevices[Channel].BadCRCCount++;
ShowPacketCounts(Channel);
}
else
{
currentAddr = readRegister(Channel, REG_FIFO_RX_CURRENT_ADDR);
// LogMessage("currentAddr = %d\n", currentAddr);
Bytes = readRegister(Channel, REG_RX_NB_BYTES);
// LogMessage("%d bytes in packet\n", Bytes);
// LogMessage("RSSI = %d\n", readRegister(Channel, REG_PACKET_RSSI) - 137);
ChannelPrintf(Channel, 10, 1, "Packet SNR = %d, RSSI = %d ", (char)(readRegister(Channel, REG_PACKET_SNR)) / 4, readRegister(Channel, REG_PACKET_RSSI) - 157);
FreqError = FrequencyError(Channel) / 1000;
ChannelPrintf(Channel, 11, 1, "Freq. Error = %5.1lfkHz ", FreqError);
//Add extra logging data - G8DHE
Config.LoRaDevices[Channel].RSSI = readRegister(Channel, REG_PACKET_RSSI) - 137;
Config.LoRaDevices[Channel].SNR = (char)(readRegister(Channel, REG_PACKET_SNR)) / 4;
Config.LoRaDevices[Channel].FreqError = FreqError;
//Also need time packet received as was set to late, LastPacketAt was set after processing is completed.
Config.LoRaDevices[Channel].LastPacketAt = time(NULL);
writeRegister(Channel, REG_FIFO_ADDR_PTR, currentAddr);
data[0] = REG_FIFO;
wiringPiSPIDataRW(Channel, data, Bytes+1);
for (i=0; i<=Bytes; i++)
{
message[i] = data[i+1];
}
message[Bytes] = '\0';
if(Config.LoRaDevices[Channel].AFC && (fabs(FreqError)>0.5))
{
ReTune(Channel, FreqError/1000);
}
}
// Clear all flags
writeRegister(Channel, REG_IRQ_FLAGS, 0xFF);
return Bytes;
}
static char *decode_callsign(char *callsign, uint32_t code)
{
char *c, s;
*callsign = '\0';
/* Is callsign valid? */
if(code > 0xF423FFFF) return(callsign);
for(c = callsign; code; c++)
{
s = code % 40;
if(s == 0) *c = '-';
else if(s < 11) *c = '0' + s - 1;
else if(s < 14) *c = '-';
else *c = 'A' + s - 14;
code /= 40;
}
*c = '\0';
return(callsign);
}
void ConvertStringToHex(unsigned char *Target, unsigned char *Source, int Length)
{
const char Hex[16] = "0123456789ABCDEF";
int i;
for (i=0; i<Length; i++)
{
*Target++ = Hex[Source[i] >> 4];
*Target++ = Hex[Source[i] & 0x0F];
}
*Target++ = '\0';
}
size_t write_data(void *buffer, size_t size, size_t nmemb, void *userp)
{
return size * nmemb;
}
// Added Channel to access metadata for telemetry packet - G8DHE
void LogTelemetryPacket( int Channel, char *Telemetry)
{
struct tm tm; //G8DHE
char DTG[14]; // Date Time Group for file - G8DHE
tm = *gmtime(&Config.LoRaDevices[Channel].LastPacketAt); // get time_t into correct format - G8DHE
if (Config.EnableMetadataLogging)
{
FILE *fp;
//Check for logging file, if it doesn't exist then write header line
if (access("telemetry.txt",F_OK) != 0)
{
fp = fopen("telemetry.txt", "at");
fprintf(fp,"Rx DTG, Channel, Im/Ex, Bandwidth, SF, EC, LDRO, Frequency, Packet RSSI, Packet SNR, AFC, AFC Error, Packet \n");
fclose(fp);
}
if ((fp = fopen("telemetry.txt", "at")) != NULL)
{
strftime(DTG,16,"%Y%m%d%H%M%S",&tm); //Convert to ASCII string and add metadata below for logging - G8DHE
fprintf(fp, "%s, %d, %s, %s, SF%d, EC4:%d, %s, %8.4lfMHz, %d, %d, %s, %5.1lfKHz ,\"%s\"\n",
DTG,
Channel,
Config.LoRaDevices[Channel].ImplicitOrExplicit == IMPLICIT_MODE ? "Implicit" : "Explicit",
BandwidthString(Config.LoRaDevices[Channel].Bandwidth),
Config.LoRaDevices[Channel].SpreadingFactor >> 4,
(Config.LoRaDevices[Channel].ErrorCoding >> 1) + 4,
Config.LoRaDevices[Channel].LowDataRateOptimize ? "LDRO on " : "LDRO off",
Config.LoRaDevices[Channel].activeFreq,
Config.LoRaDevices[Channel].RSSI,
Config.LoRaDevices[Channel].SNR,
Config.LoRaDevices[Channel].AFC ? "AFC on " : "AFC off",
Config.LoRaDevices[Channel].FreqError,
Telemetry);
fclose(fp);
}
}
else
{
if (Config.EnableTelemetryLogging);
{
FILE *fp;
if ((fp = fopen("telemetry.txt", "at")) != NULL)
{
fprintf(fp, "%s\n", Telemetry);
fclose(fp);
}
}
}
}
void UploadTelemetryPacket(char *Telemetry)
{
if (Config.EnableHabitat)
{
CURL *curl;
CURLcode res;
char PostFields[200];
/* In windows, this will init the winsock stuff */
curl_global_init(CURL_GLOBAL_ALL);
/* get a curl handle */
curl = curl_easy_init();
if (curl)
{
// So that the response to the curl POST doesn;'t mess up my finely crafted display!
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
// Set the URL that is about to receive our POST
curl_easy_setopt(curl, CURLOPT_URL, "http://habitat.habhub.org/transition/payload_telemetry");
// Now specify the POST data
sprintf(PostFields, "callsign=%s&string=%s\n&string_type=ascii&metadata={}", Config.Tracker, Telemetry);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, PostFields);
// Perform the request, res will get the return code
res = curl_easy_perform(curl);
// Check for errors
if(res != CURLE_OK)
{
fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
}
// always cleanup
curl_easy_cleanup(curl);
}
curl_global_cleanup();
}
}
void UploadImagePacket(char *EncodedCallsign, char *EncodedEncoding, char *EncodedData)
{
CURL *curl;
CURLcode res;
char PostFields[1000];
/* In windows, this will init the winsock stuff */
curl_global_init(CURL_GLOBAL_ALL);
/* get a curl handle */
curl = curl_easy_init();
if (curl)
{
// So that the response to the curl POST doesn;'t mess up my finely crafted display!
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
/* Set the URL that is about to receive our POST. This URL can
just as well be a https:// URL if that is what should receive the
data. */
curl_easy_setopt(curl, CURLOPT_URL, "http://www.sanslogic.co.uk/ssdv/data.php");
/* Now specify the POST data */
sprintf(PostFields, "callsign=%s&encoding=%s&packet=%s", Config.Tracker, EncodedEncoding, EncodedData);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, PostFields);
/* Perform the request, res will get the return code */
res = curl_easy_perform(curl);
/* Check for errors */
if(res != CURLE_OK)
{
fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
}
/* always cleanup */
curl_easy_cleanup(curl);
}
curl_global_cleanup();
}
void ReadString(FILE *fp, char *keyword, char *Result, int Length, int NeedValue)
{
char line[100], *token, *value;
fseek(fp, 0, SEEK_SET);
*Result = '\0';
while (fgets(line, sizeof(line), fp) != NULL)
{
token = strtok(line, "=");
if (strcasecmp(keyword, token) == 0)
{
value = strtok(NULL, "\n");
strcpy(Result, value);
return;
}
}
if (NeedValue)
{
LogMessage("Missing value for '%s' in configuration file\n", keyword);
exit(1);
}
}
int ReadInteger(FILE *fp, char *keyword, int NeedValue, int DefaultValue)
{
char Temp[64];
ReadString(fp, keyword, Temp, sizeof(Temp), NeedValue);
if (Temp[0])
{
return atoi(Temp);
}
return DefaultValue;
}
int ReadBoolean(FILE *fp, char *keyword, int NeedValue, int *Result)
{
char Temp[32];
ReadString(fp, keyword, Temp, sizeof(Temp), NeedValue);
if (*Temp)
{
*Result = (*Temp == '1') || (*Temp == 'Y') || (*Temp == 'y') || (*Temp == 't') || (*Temp == 'T');
}
return *Temp;
}
void LoadConfigFile()
{
FILE *fp;
char *filename = "gateway.txt";
char Keyword[32];
int Channel, Temp;
char TempString[16];
Config.EnableHabitat = 1;
Config.EnableSSDV = 1;
Config.EnableTelemetryLogging = 0;
Config.EnableMetadataLogging = 0; //added extra config for Metadata logging - G8DHE
Config.ftpServer[0] = '\0';
Config.ftpUser[0] = '\0';
Config.ftpPassword[0] = '\0';
Config.ftpFolder[0] = '\0';
if ((fp = fopen(filename, "r")) == NULL)
{
printf("\nFailed to open config file %s (error %d - %s).\nPlease check that it exists and has read permission.\n", filename, errno, strerror(errno));
exit(1);
}
// Receiver config
ReadString(fp, "tracker", Config.Tracker, sizeof(Config.Tracker), 1);
LogMessage("Tracker = '%s'\n", Config.Tracker);
// Enable uploads
ReadBoolean(fp, "EnableHabitat", 0, &Config.EnableHabitat);
ReadBoolean(fp, "EnableSSDV", 0, &Config.EnableSSDV);
// Enable logging
ReadBoolean(fp, "LogTelemetry", 0, &Config.EnableTelemetryLogging);
LogMessage("Log Telemetry = '%s'\n", Config.EnableTelemetryLogging ? "Yes" : "No"); //display config setting - G8DHE
ReadBoolean(fp, "LogMetadata", 0, &Config.EnableMetadataLogging); //read extra config line - G8DHE
LogMessage("Log Metadata & Telemetry = '%s'\n", Config.EnableMetadataLogging ? "Yes" : "No"); //display config setting - G8DHE
// Calling mode
Config.CallingTimeout = ReadInteger(fp, "CallingTimeout", 0, 300);
// LED allocations
Config.NetworkLED = ReadInteger(fp, "NetworkLED", 0, -1);
Config.InternetLED = ReadInteger(fp, "InternetLED", 0, -1);
Config.LoRaDevices[0].ActivityLED = ReadInteger(fp, "ActivityLED_0", 0, -1);
Config.LoRaDevices[1].ActivityLED = ReadInteger(fp, "ActivityLED_1", 0, -1);
ReadString(fp, "ftpserver", Config.ftpServer, sizeof(Config.ftpServer), 0);
ReadString(fp, "ftpUser", Config.ftpUser, sizeof(Config.ftpUser), 0);
ReadString(fp, "ftpPassword", Config.ftpPassword, sizeof(Config.ftpPassword), 0);
ReadString(fp, "ftpFolder", Config.ftpFolder, sizeof(Config.ftpFolder), 0);
for (Channel=0; Channel<=1; Channel++)
{
// Defaults
Config.LoRaDevices[Channel].Frequency[0] = '\0';
sprintf(Keyword, "frequency_%d", Channel);
ReadString(fp, Keyword, Config.LoRaDevices[Channel].Frequency, sizeof(Config.LoRaDevices[Channel].Frequency), 0);
if (Config.LoRaDevices[Channel].Frequency[0])
{
Config.LoRaDevices[Channel].ImplicitOrExplicit = EXPLICIT_MODE;
Config.LoRaDevices[Channel].ErrorCoding = ERROR_CODING_4_8;
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_20K8;
Config.LoRaDevices[Channel].SpreadingFactor = SPREADING_11;
Config.LoRaDevices[Channel].LowDataRateOptimize = 0x00;
Config.LoRaDevices[Channel].AFC = FALSE;
LogMessage("Channel %d frequency set to %s\n", Channel, Config.LoRaDevices[Channel].Frequency);
Config.LoRaDevices[Channel].InUse = 1;
// DIO0 / DIO5 overrides
sprintf(Keyword, "DIO0_%d", Channel);
Config.LoRaDevices[Channel].DIO0 = ReadInteger(fp, Keyword, 0, Config.LoRaDevices[Channel].DIO0);
sprintf(Keyword, "DIO5_%d", Channel);
Config.LoRaDevices[Channel].DIO5 = ReadInteger(fp, Keyword, 0, Config.LoRaDevices[Channel].DIO5);
LogMessage("LoRa Channel %d DIO0=%d DIO5=%d\n", Channel, Config.LoRaDevices[Channel].DIO0, Config.LoRaDevices[Channel].DIO5);
Config.LoRaDevices[Channel].SpeedMode = 0;
sprintf(Keyword, "mode_%d", Channel);
Config.LoRaDevices[Channel].SpeedMode = ReadInteger(fp, Keyword, 0, 0);
if (Config.LoRaDevices[Channel].SpeedMode == 5)
{
// Calling channel
Config.LoRaDevices[Channel].ImplicitOrExplicit = EXPLICIT_MODE;
Config.LoRaDevices[Channel].ErrorCoding = ERROR_CODING_4_8;
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_41K7;
Config.LoRaDevices[Channel].SpreadingFactor = SPREADING_11;
Config.LoRaDevices[Channel].LowDataRateOptimize = 0;
}
else if (Config.LoRaDevices[Channel].SpeedMode == 4)
{
// Testing
Config.LoRaDevices[Channel].ImplicitOrExplicit = IMPLICIT_MODE;
Config.LoRaDevices[Channel].ErrorCoding = ERROR_CODING_4_5;
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_250K;
Config.LoRaDevices[Channel].SpreadingFactor = SPREADING_6;
Config.LoRaDevices[Channel].LowDataRateOptimize = 0;
}
else if (Config.LoRaDevices[Channel].SpeedMode == 3)
{
// Normal mode for high speed images in 868MHz band
Config.LoRaDevices[Channel].ImplicitOrExplicit = EXPLICIT_MODE;
Config.LoRaDevices[Channel].ErrorCoding = ERROR_CODING_4_6;
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_250K;
Config.LoRaDevices[Channel].SpreadingFactor = SPREADING_7;
Config.LoRaDevices[Channel].LowDataRateOptimize = 0;
}
else if (Config.LoRaDevices[Channel].SpeedMode == 2)
{
// Normal mode for repeater network
Config.LoRaDevices[Channel].ImplicitOrExplicit = EXPLICIT_MODE;
Config.LoRaDevices[Channel].ErrorCoding = ERROR_CODING_4_8;
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_62K5;
Config.LoRaDevices[Channel].SpreadingFactor = SPREADING_8;
Config.LoRaDevices[Channel].LowDataRateOptimize = 0x00;
}
else if (Config.LoRaDevices[Channel].SpeedMode == 1)
{
// Normal mode for SSDV
Config.LoRaDevices[Channel].ImplicitOrExplicit = IMPLICIT_MODE;
Config.LoRaDevices[Channel].ErrorCoding = ERROR_CODING_4_5;
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_20K8;
Config.LoRaDevices[Channel].SpreadingFactor = SPREADING_6;
Config.LoRaDevices[Channel].LowDataRateOptimize = 0;
}
else
{
Config.LoRaDevices[Channel].ImplicitOrExplicit = EXPLICIT_MODE;
Config.LoRaDevices[Channel].ErrorCoding = ERROR_CODING_4_8;
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_20K8;
Config.LoRaDevices[Channel].SpreadingFactor = SPREADING_11;
Config.LoRaDevices[Channel].LowDataRateOptimize = 0x08;
}
sprintf(Keyword, "sf_%d", Channel);
Temp = ReadInteger(fp, Keyword, 0, 0);
if ((Temp >= 6) && (Temp <= 12))
{
Config.LoRaDevices[Channel].SpreadingFactor = Temp << 4;
LogMessage("Setting SF=%d\n", Temp);
}
sprintf(Keyword, "bandwidth_%d", Channel);
ReadString(fp, Keyword, TempString, sizeof(TempString), 0);
if (*TempString)
{
LogMessage("Setting BW=%s\n", TempString);
}
if (strcmp(TempString, "7K8") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_7K8;
}
else if (strcmp(TempString, "10K4") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_10K4;
}
else if (strcmp(TempString, "15K6") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_15K6;
}
else if (strcmp(TempString, "20K8") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_20K8;
}
else if (strcmp(TempString, "31K25") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_31K25;
}
else if (strcmp(TempString, "41K7") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_41K7;
}
else if (strcmp(TempString, "62K5") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_62K5;
}
else if (strcmp(TempString, "125K") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_125K;
}
else if (strcmp(TempString, "250K") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_250K;
}
else if (strcmp(TempString, "500K") == 0)
{
Config.LoRaDevices[Channel].Bandwidth = BANDWIDTH_500K;
}
sprintf(Keyword, "implicit_%d", Channel);
if (ReadBoolean(fp, Keyword, 0, &Temp))
{
if (Temp)
{
Config.LoRaDevices[Channel].ImplicitOrExplicit = IMPLICIT_MODE;
}
}
sprintf(Keyword, "coding_%d", Channel);
Temp = ReadInteger(fp, Keyword, 0, 0);
if ((Temp >= 5) && (Temp <= 8))
{
Config.LoRaDevices[Channel].ErrorCoding = (Temp-4) << 1;
LogMessage("Setting Error Coding=%d\n", Temp);
}
sprintf(Keyword, "lowopt_%d", Channel);
if (ReadBoolean(fp, Keyword, 0, &Temp))
{
if (Temp)
{
Config.LoRaDevices[Channel].LowDataRateOptimize = 0x08;
}
}
sprintf(Keyword, "AFC_%d", Channel);
if (ReadBoolean(fp, Keyword, 0, &Temp))
{
if (Temp)
{
Config.LoRaDevices[Channel].AFC = TRUE;
ChannelPrintf(Channel, 11, 24, "AFC");
}
}
}
}
fclose(fp);
}
void LoadPayloadFile(int ID)
{
FILE *fp;
char filename[16];
char Keyword[32];
int Channel, Temp;
char TempString[16];
sprintf(filename, "payload_%d.txt", ID);
if ((fp = fopen(filename, "r")) != NULL)
{
LogMessage("Reading payload file %s\n", filename);
ReadString(fp, "payload", Payloads[ID].Payload, sizeof(Payloads[ID].Payload), 1);
LogMessage("Payload %d = '%s'\n", ID, Payloads[ID].Payload);
Payloads[ID].InUse = 1;
fclose(fp);
}
else
{
strcpy(Payloads[ID].Payload, "Unknown");
Payloads[ID].InUse = 0;
}
}
void LoadPayloadFiles(void)
{
int ID;
for (ID=0; ID<16; ID++)
{
LoadPayloadFile(ID);
}
}
WINDOW * InitDisplay(void)
{
WINDOW * mainwin;