Merge pull request #184 from TheThingsNetwork/fix/retries

Get hardware EUI and fixed retries

Author: johanstokking

src/TheThingsNetwork.cpp

@@ -292,6 +292,11 @@ TheThingsNetwork::TheThingsNetwork(Stream &modemStream, Stream &debugStream, ttn
   this->fsb = fsb;
 }
 
+size_t TheThingsNetwork::getHardwareEui(char *buffer, size_t size)
+{
+  return readResponse(SYS_TABLE, SYS_TABLE, SYS_GET_HWEUI, buffer, size);
+}
+
 void TheThingsNetwork::debugPrintIndex(uint8_t index, const char *value)
 {
   char message[100];
@@ -448,7 +453,7 @@ bool TheThingsNetwork::provision(const char *appEui, const char *appKey)
 bool TheThingsNetwork::join(int8_t retries, uint32_t retryDelay)
 {
   configureChannels(sf, fsb);
-  while (--retries)
+  while (retries-- >= 0)
   {
     if (!sendJoinSet(MAC_JOIN_MODE_OTAA))
     {

src/TheThingsNetwork.h

@@ -68,6 +68,7 @@ class TheThingsNetwork
 public:
   TheThingsNetwork(Stream &modemStream, Stream &debugStream, ttn_fp_t fp, uint8_t sf = TTN_DEFAULT_SF, uint8_t fsb = TTN_DEFAULT_FSB);
   void showStatus();
+  size_t getHardwareEui(char *buffer, size_t size);
   void onMessage(void (*cb)(const uint8_t *payload, size_t size, port_t port));
   bool provision(const char *appEui, const char *appKey);
   bool join(const char *appEui, const char *appKey, int8_t retries = -1, uint32_t retryDelay = 10000);