Revision 5:4bc6ba66f28e, committed 2016-07-07

Comitter:

AshuJoshi

Date:

Thu Jul 07 01:24:10 2016 +0000

Parent:

4:97f9ad3f2566

Child:

6:35f934e83c74

Commit message:

Added code to configure the network for LoRa / TTN

Changed in this revision

--- a/main.cpp	Thu Jul 07 00:07:45 2016 +0000
+++ b/main.cpp	Thu Jul 07 01:24:10 2016 +0000
@@ -11,13 +11,44 @@
  #include "mDot.h"
  #include "MTSLog.h"
  #include "MTSText.h"
+ //#include "SerialGPS.h"
  #include "BME280.h"
 
+
  
 using namespace mts;
  
 #define MIN(a,b) (((a)<(b))?(a):(b))
 #define MAX(a,b) (((a)>(b))?(a):(b))
+
+// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
+
+// Values as used by The Things Network
+// Application session key
+uint8_t AppSKey[16]= { 0x91, 0x5F, 0xCD, 0x2A, 0xED, 0x8E, 0x0C, 0x2B, 0x30, 0xEF, 0x35, 0x8D, 0xF7, 0xE7, 0x89, 0x0A };
+// Network session key
+uint8_t NwkSKey[16]= { 0x60, 0xBF, 0x44, 0xA9, 0x56, 0x0A, 0x4C, 0xB4, 0xF2, 0xEB, 0xB1, 0x6B, 0x9A, 0x2C, 0x57, 0x32 };
+
+// App Key 1DD7BB3D3E43ED13029996BEC25BF190
+uint8_t AppKey[16] = {0x1D, 0xD7, 0xBB, 0x3D, 0x3E, 0x43, 0xED, 0x13, 0x02, 0x99, 0x96, 0xBE, 0xC2, 0x5B, 0xF1, 0x90};
+// App EUI 70B3D57ED00005D5
+uint8_t AppEUI[8] = {0x70, 0xB3, 0xD5, 0x7E, 0xD0, 0x00, 0x05, 0xD5};
+
+ 
+// Network Address - Get your own address range at http://thethingsnetwork.org/wiki/AddressSpace
+//uint8_t NetworkAddr[4]= {0x02,0x01,0x6C,0x02};      // Our Network address or Node ID
+uint8_t NetworkAddr[4] = { 0x08, 0xBE, 0xAB, 0x8A }; 
+ 
+// Some defines for the LoRa configuration
+#define LORA_ACK 0
+#define LORA_TXPOWER 20
+ 
+//Ignoring sub band for EU modules.
+static uint8_t config_frequency_sub_band = 7;
+
+// <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
  
 // mDot UDK Specific
 // MDot Pinout: https://developer.mbed.org/platforms/MTS-mDot-F411/#pinout-diagram
@@ -30,10 +61,14 @@
 DigitalOut led(XBEE_RSSI);
 #endif
 
+//SerialGPS gps(PA_2, PA_3);
 //BME280 sensor(I2C_SDA, I2C_SCL)
 // MDot UDK - I2C_SDA and I2C_SCL connected to PC_9/PA_*
 BME280 b280(PC_9, PA_8);
 
+// Serial via USB for debugging only
+//Serial pc(USBTX,USBRX);
+
 
 // Globals
 Ticker tick;
@@ -49,6 +84,8 @@
 void mDotGotoDeepSleep(int seconds);
 void mDotConfigPrint();
 void initSerialGPS();
+void setupNetwork();
+void joinNetwork();
 
 
 
@@ -60,6 +97,7 @@
     // Simple Test Functions, "Hello World on UDK
     setUpLEDBlink();
     mDotConfig();
+    setupNetwork();
     mDotConfigPrint();
 
     endLessTestLoop();
@@ -77,8 +115,7 @@
     dot = mDot::getInstance();
     //dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
     dot->setLogLevel(mts::MTSLog::TRACE_LEVEL);
-    // print library version information
-    logInfo("version: %s", dot->getId().c_str());
+   
 }
 
 void mDotGotoDeepSleep(int seconds) {
@@ -91,45 +128,180 @@
     dot->sleep(sleep_time, mDot::RTC_ALARM);
 
 }
+void setupNetwork(){
+    int32_t ret;
+    std::vector<uint8_t> send_data;
+    std::vector<uint8_t> recv_data;
+    std::vector<uint8_t> nwkSKey;
+    std::vector<uint8_t> appSKey;
+    std::vector<uint8_t> nodeAddr;
+    std::vector<uint8_t> networkAddr;
+    // from OTAA
+    std::vector<uint8_t> appEUI;
+    std::vector<uint8_t> appKey;
+    
+    // get a mDot handle
+    // already done in mDotConfig
+    //dot = mDot::getInstance();
+    
+    logInfo("Checking Config");
+ 
+    // Test if we've already saved the config
+    std::string configNetworkName = dot->getNetworkName();
+ 
+    uint8_t *it = NwkSKey;
+    for (uint8_t i = 0; i<16; i++)
+        nwkSKey.push_back((uint8_t) *it++);
+    it = AppSKey;
+    for (uint8_t i = 0; i<16; i++)
+        appSKey.push_back((uint8_t) *it++);
+        
+        
+    it = AppEUI;
+    for (uint8_t i = 0; i<8; i++)
+        appEUI.push_back((uint8_t) *it++);
+    
+    it = AppKey;
+    for (uint8_t i = 0; i<16; i++)
+        appKey.push_back((uint8_t) *it++);    
+ 
+    it = NetworkAddr;
+    for (uint8_t i = 0; i<4; i++)
+        networkAddr.push_back((uint8_t) *it++);
+ 
+    logInfo("Resetting Config");
+    // reset to default config so we know what state we're in
+    dot->resetConfig();
+ 
+    // Set byte order - AEP less than 1.0.30
+    //dot->setJoinByteOrder(mDot::MSB);       // This is default for > 1.0.30 Conduit
+ 
+    // Set Spreading Factor, higher is lower data rate, smaller packets but longer range
+    // Lower is higher data rate, larger packets and shorter range.
+    logInfo("Set SF");
+    //if((ret = dot->setTxDataRate( mDot::SF_10 )) != mDot::MDOT_OK) {
+    if((ret = dot->setTxDataRate( mDot::SF_8 )) != mDot::MDOT_OK) { 
+        logError("Failed to set SF %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+ 
+    //logInfo("Set TxPower");
+    //if((ret = dot->setTxPower( LORA_TXPOWER )) != mDot::MDOT_OK) {
+    //    logError("Failed to set Tx Power %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    //}
+ 
+    logInfo("Set Public mode");
+    if((ret = dot->setPublicNetwork(true)) != mDot::MDOT_OK) {
+        logError("failed to set Public Mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+ 
+    //logInfo("Set MANUAL Join mode");
+    //if((ret = dot->setJoinMode(mDot::MANUAL)) != mDot::MDOT_OK) {
+    //    logError("Failed to set MANUAL Join Mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    //}
+    
+    logInfo("Set AUTO_OTA Join mode");
+    if((ret = dot->setJoinMode(mDot::AUTO_OTA)) != mDot::MDOT_OK) {
+        logError("Failed to set AUTO_OTA Join Mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+ 
+    logInfo("Set Ack");
+    // 1 retries on Ack, 0 to disable
+    if((ret = dot->setAck( LORA_ACK)) != mDot::MDOT_OK) {
+        logError("Failed to set Ack %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+ 
+//    Not applicable for 868MHz in EU
+    if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
+        logError("Failed to set frequency sub band %s", ret);
+    }
+ 
+    logInfo("Set Network Address");
+    if ((ret = dot->setNetworkAddress(networkAddr)) != mDot::MDOT_OK) {
+        logError("Failed to set Network Address %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+ 
+    logInfo("Set Data Session Key");
+    if ((ret = dot->setDataSessionKey(appSKey)) != mDot::MDOT_OK) {
+        logError("Failed to set Data Session Key %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+ 
+    logInfo("Set Network Session Key");
+    if ((ret = dot->setNetworkSessionKey(nwkSKey)) != mDot::MDOT_OK) {
+        logError("Failed to set Network Session Key %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+    
+    logInfo("Set Network Id");
+    if ((ret = dot->setNetworkId(appEUI)) != mDot::MDOT_OK) {
+        logError("Failed to set Network Id %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+    logInfo("Set Network Key");
+    if ((ret = dot->setNetworkKey(appKey)) != mDot::MDOT_OK) {
+        logError("Failed to set Network Id %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+    }
+ 
+    logInfo("Saving Config");
+    // Save config
+    if (! dot->saveConfig()) {
+        logError("failed to save configuration");
+    }
+ 
+     //*******************************************
+    // end of configuration
+    //*******************************************
+
+    //char dataBuf[50];
+ 
+    
+    
+}
+
+void joinNetwork() {
+    int32_t ret;
+    logInfo("Joining Network");
+    while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
+        logError("failed to join network [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
+        //wait_ms(dot->getNextTxMs() + 1);
+        osDelay(std::max((uint32_t)1000, (uint32_t)dot->getNextTxMs()));
+    }
+    logInfo("Joined Network"); 
+ }
 
 void mDotConfigPrint() {
 
     // Display what is set
     printf("\r\n");
     printf(" **********  mDot Configuration ************ \n");
+     // print library version information
+    logInfo("Firmware Version: %s", dot->getId().c_str());
+    
     std::vector<uint8_t> tmp = dot->getNetworkSessionKey();
     printf("Network Session Key: ");
     printf("%s\n", mts::Text::bin2hexString(tmp, " ").c_str());
- 
+    
     tmp = dot->getDataSessionKey();
     printf("Data Session Key: ");
     printf("%s\n", mts::Text::bin2hexString(tmp, " ").c_str());
     
-    // App EUI
     tmp = dot->getNetworkId();
     printf("App EUI: ");
     printf("%s\n", mts::Text::bin2hexString(tmp, " ").c_str());
         
-    // App Key
     tmp = dot->getNetworkKey();
     printf("App Key: ");
     printf("%s\n", mts::Text::bin2hexString(tmp, " ").c_str());    
     
- 
     printf("Device ID ");
     std::vector<uint8_t> deviceId;
     deviceId = dot->getDeviceId();
     for (std::vector<uint8_t>::iterator it = deviceId.begin() ; it != deviceId.end(); ++it)
         printf("%2.2x",*it );
     printf("\n");
- 
     std::vector<uint8_t> netAddress;
  
     printf("Network Address ");
     netAddress = dot->getNetworkAddress();
     for (std::vector<uint8_t>::iterator it = netAddress.begin() ; it != netAddress.end(); ++it)
         printf("%2.2x",*it );
- 
     printf("\n");
  
     // Display LoRa parameters
@@ -163,11 +335,11 @@
     float pressure;
     float humidity;
     char string_buffer[64];
-    time_t secs;
+    //time_t secs;
     
-    secs = time(NULL);
-    printf("Seconds since January 1, 1970: %d\n", secs);
-    printf("Time as a basic string = %s", ctime(&secs));
+    //secs = time(NULL);
+    //printf("Seconds since January 1, 1970: %d\n", secs);
+    //printf("Time as a basic string = %s", ctime(&secs));
     
     // Temperature
     temperature = b280.getTemperature();
@@ -182,7 +354,7 @@
     sprintf(string_buffer, "%s%03.2f", "H%:", humidity);
     logInfo("The humidty is %s", string_buffer);
     
-    // printf("%2.2f degC, %04.2f hPa, %2.2f %%\n", temperature, pressure, humidity);
+    //printf("%2.2f degC, %04.2f hPa, %2.2f %%\n", temperature, pressure, humidity);
 }
 
 
@@ -202,7 +374,8 @@
         printf("BME280 Sensor: \n");
         readandprintBME280();
         
-        mDotGotoDeepSleep(60);
+        wait(5);
+        //mDotGotoDeepSleep(60);
         //wait(5);
        
     }