diff --git a/examples/01_SMS_Send/01_SMS_Send.ino b/examples/01_SMS_Send/01_SMS_Send.ino
index 46b0df2..4cfb382 100644
--- a/examples/01_SMS_Send/01_SMS_Send.ino
+++ b/examples/01_SMS_Send/01_SMS_Send.ino
@@ -35,7 +35,7 @@ SoftwareSerial lteSerial(8, 9);
LTE_Shield lte;
// Set the cell phone number to be texted
-String DESTINATION_NUMBER = "11234567890";
+String DESTINATION_NUMBER = "11234567890"; //This is the full cell # including country code
void setup() {
Serial.begin(9600);
@@ -64,4 +64,4 @@ void loop() {
message += c; // Add last character to message
}
}
-}
\ No newline at end of file
+}
diff --git a/keywords.txt b/keywords.txt
index 1f423de..6e9fd0e 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -107,6 +107,10 @@ gpsGetRmc KEYWORD2
gpsEnableSpeed KEYWORD2
gpsGetSpeed KEYWORD2
gpsRequest KEYWORD2
+enableDebugging KEYWORD2
+disableDebugging KEYWORD2
+debug KEYWORD2
+debugln KEYWORD2
#######################################
# Constants LITERAL1
diff --git a/src/SparkFun_LTE_Shield_Arduino_Library.cpp b/src/SparkFun_LTE_Shield_Arduino_Library.cpp
index c570076..af1aeec 100644
--- a/src/SparkFun_LTE_Shield_Arduino_Library.cpp
+++ b/src/SparkFun_LTE_Shield_Arduino_Library.cpp
@@ -100,7 +100,7 @@ char lteShieldRXBuffer[128];
static boolean parseGPRMCString(char *rmcString, PositionData *pos, ClockData *clk, SpeedData *spd);
-LTE_Shield::LTE_Shield(uint8_t powerPin, uint8_t resetPin)
+LTE_Shield::LTE_Shield(uint8_t powerPin, uint8_t resetPin, uint8_t maxInitDepth)
{
#ifdef LTE_SHIELD_SOFTWARE_SERIAL_ENABLED
_softSerial = NULL;
@@ -109,6 +109,7 @@ LTE_Shield::LTE_Shield(uint8_t powerPin, uint8_t resetPin)
_baud = 0;
_resetPin = resetPin;
_powerPin = powerPin;
+ _maxInitDepth = maxInitDepth;
_socketReadCallback = NULL;
_socketCloseCallback = NULL;
_lastRemoteIP = {0, 0, 0, 0};
@@ -1564,10 +1565,21 @@ LTE_Shield_error_t LTE_Shield::init(unsigned long baud,
{
LTE_Shield_error_t err;
+ //If we have recursively called init too many times, bail
+ _currentInitDepth++;
+ if (_currentInitDepth == _maxInitDepth)
+ {
+ debugln(F("Module failed to init. Exiting."));
+ return (LTE_SHIELD_ERROR_NO_RESPONSE);
+ }
+
+ debugln(F("Begin module init."));
+
beginSerial(baud); // Begin serial
if (initType == LTE_SHIELD_INIT_AUTOBAUD)
{
+ debugln(F("Attempting autobaud connection to module."));
if (autobaud(baud) != LTE_SHIELD_ERROR_SUCCESS)
{
return init(baud, LTE_SHIELD_INIT_RESET);
@@ -1575,6 +1587,7 @@ LTE_Shield_error_t LTE_Shield::init(unsigned long baud,
}
else if (initType == LTE_SHIELD_INIT_RESET)
{
+ debugln(F("Power cycling module."));
powerOn();
if (at() != LTE_SHIELD_ERROR_SUCCESS)
{
@@ -1586,7 +1599,12 @@ LTE_Shield_error_t LTE_Shield::init(unsigned long baud,
err = enableEcho(false);
if (err != LTE_SHIELD_ERROR_SUCCESS)
+ {
+ debugln(F("Module failed echo test."));
return init(baud, LTE_SHIELD_INIT_AUTOBAUD);
+ }
+
+ debugln(F("Module responded successfully."));
_baud = baud;
setGpioMode(GPIO1, NETWORK_STATUS);
@@ -1607,6 +1625,8 @@ void LTE_Shield::powerOn(void)
digitalWrite(_powerPin, LOW);
delay(LTE_SHIELD_POWER_PULSE_PERIOD);
pinMode(_powerPin, INPUT); // Return to high-impedance, rely on SARA module internal pull-up
+ delay(2000); //Wait before sending AT commands to module. 100 is too short.
+ debugln("Power cycle complete");
}
void LTE_Shield::hwReset(void)
@@ -1774,7 +1794,8 @@ LTE_Shield_error_t LTE_Shield::sendCommandWithResponse(
if (hwAvailable())
{
char c = readChar();
- //Serial.write(c);
+ debug((String)c);
+
if (responseDest != NULL)
{
responseDest[destIndex++] = c;
@@ -2056,6 +2077,28 @@ char *LTE_Shield::lte_calloc_char(size_t num)
return (char *)calloc(num, sizeof(char));
}
+//Enable or disable the printing of extra debug statements
+void LTE_Shield::enableDebugging(Stream &debugPort)
+{
+ _debugSerial = &debugPort; //Grab which port the user wants us to use for debugging
+
+ _printDebug = true; //Should we print the commands we send? Good for debugging
+}
+void LTE_Shield::disableDebugging(void)
+{
+ _printDebug = false; //Turn off extra print statements
+}
+void LTE_Shield::debug(String toPrint)
+{
+ if (_printDebug)
+ _debugSerial->print(toPrint);
+}
+void LTE_Shield::debugln(String toPrint)
+{
+ if (_printDebug)
+ _debugSerial->println(toPrint);
+}
+
// GPS Helper Functions:
// Read a source string until a delimiter is hit, store the result in destination
@@ -2255,4 +2298,4 @@ static boolean parseGPRMCString(char *rmcString, PositionData *pos,
return true;
}
return false;
-}
\ No newline at end of file
+}
diff --git a/src/SparkFun_LTE_Shield_Arduino_Library.h b/src/SparkFun_LTE_Shield_Arduino_Library.h
index 8d6b6d4..3bf5a4a 100644
--- a/src/SparkFun_LTE_Shield_Arduino_Library.h
+++ b/src/SparkFun_LTE_Shield_Arduino_Library.h
@@ -165,7 +165,7 @@ class LTE_Shield : public Print
{
public:
// Constructor
- LTE_Shield(uint8_t powerPin = LTE_SHIELD_POWER_PIN, uint8_t resetPin = LTE_SHIELD_RESET_PIN);
+ LTE_Shield(uint8_t powerPin = LTE_SHIELD_POWER_PIN, uint8_t resetPin = LTE_SHIELD_RESET_PIN, uint8_t maxInitDepth = 9);
// Begin -- initialize BT module and ensure it's connected
#ifdef LTE_SHIELD_SOFTWARE_SERIAL_ENABLED
@@ -319,6 +319,11 @@ class LTE_Shield : public Print
LTE_Shield_error_t gpsRequest(unsigned int timeout, uint32_t accuracy, boolean detailed = true);
+ void enableDebugging(Stream &debugPort = Serial); //Turn on command sending and response printing. If user doesn't specify then Serial will be used
+ void disableDebugging(void);
+ void debug(String toPrint);
+ void debugln(String toPrint);
+
private:
HardwareSerial *_hardSerial;
#ifdef LTE_SHIELD_SOFTWARE_SERIAL_ENABLED
@@ -331,6 +336,11 @@ class LTE_Shield : public Print
IPAddress _lastRemoteIP;
IPAddress _lastLocalIP;
+ bool _printDebug = false;
+ Stream *_debugSerial;
+ uint8_t _maxInitDepth;
+ uint8_t _currentInitDepth = 0;
+
void (*_socketReadCallback)(int, String);
void (*_socketCloseCallback)(int);
void (*_gpsRequestCallback)(ClockData, PositionData, SpeedData, unsigned long);
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