Add adjustStartupTimeout() functionality

keywords.txt

@@ -24,6 +24,7 @@ isAsleep	KEYWORD2
 setPowerProfile	KEYWORD2
 adjustATTimeout	KEYWORD2
 adjustSendReceiveTimeout	KEYWORD2
+adjustStartupTimeout	KEYWORD2
 useMSSTMWorkaround	KEYWORD2
 getSystemTime	KEYWORD2
 getFirmwareVersion	KEYWORD2

library.properties

@@ -1,5 +1,5 @@
 name=IridiumSBDi2c
-version=3.0.1
+version=3.0.2
 author=Mikal Hart and Paul Clark (PaulZC)
 maintainer=SparkFun Electronics <sparkfun.com>
 sentence=This library supports satellite data transmissions from anywhere on earth using the RockBLOCK family of Iridium 9602 and 9603 modems.

src/IridiumSBD.cpp

@@ -168,6 +168,12 @@ void IridiumSBD::adjustSendReceiveTimeout(int seconds)
    this->sendReceiveTimeout = seconds;
 }
 
+// Tweak ISBD startup timeout
+void IridiumSBD::adjustStartupTimeout(int seconds)
+{
+   this->startupTimeout = seconds;
+}
+
 void IridiumSBD::useMSSTMWorkaround(bool useWorkAround) // true to use workaround from Iridium Alert 5/7
 {
    this->msstmWorkaroundRequested = useWorkAround;
@@ -539,7 +545,7 @@ int IridiumSBD::internalBegin()
          return ISBD_CANCELLED;
 
    // Turn on modem and wait for a response from "AT" command to begin
-   for (unsigned long start = millis(); !modemAlive && millis() - start < 1000UL * ISBD_STARTUP_MAX_TIME;)
+   for (unsigned long start = millis(); !modemAlive && millis() - start < 1000UL * this->startupTimeout;)
    {
       send(F("AT\r"));
       modemAlive = waitForATResponse();

src/IridiumSBD.h

@@ -114,6 +114,7 @@ class IridiumSBD
    void setPowerProfile(POWERPROFILE profile); // 0 = direct connect (default), 1 = USB
    void adjustATTimeout(int seconds);          // default value = 20 seconds
    void adjustSendReceiveTimeout(int seconds); // default value = 300 seconds
+   void adjustStartupTimeout(int seconds); // default value = 240 seconds
    void useMSSTMWorkaround(bool useMSSTMWorkAround); // true to use workaround from Iridium Alert 5/7/13
    void enableRingAlerts(bool enable);
 
@@ -140,6 +141,7 @@ class IridiumSBD
       sbdixInterval = ISBD_USB_SBDIX_INTERVAL;
       atTimeout = ISBD_DEFAULT_AT_TIMEOUT;
       sendReceiveTimeout = ISBD_DEFAULT_SENDRECEIVE_TIME;
+      startupTimeout = ISBD_STARTUP_MAX_TIME;
       remainingMessages = -1;
       asleep = true;
       reentrant = false;
@@ -168,6 +170,7 @@ class IridiumSBD
       sbdixInterval = ISBD_USB_SBDIX_INTERVAL;
       atTimeout = ISBD_DEFAULT_AT_TIMEOUT;
       sendReceiveTimeout = ISBD_DEFAULT_SENDRECEIVE_TIME;
+      startupTimeout = ISBD_STARTUP_MAX_TIME;
       remainingMessages = -1;
       asleep = true;
       reentrant = false;
@@ -206,6 +209,7 @@ class IridiumSBD
    int sbdixInterval;
    int atTimeout;
    int sendReceiveTimeout;
+   int startupTimeout;
    unsigned long lastCheck = 0; // The time in millis when the I2C bus was last checked (limits I2C traffic)
    const uint8_t I2C_POLLING_WAIT_MS = 5; //Limit checking of new characters to every 5 ms (roughly 10 chars at 19200 baud)