Diff: Adafruit_FONA.cpp

Revision:

2:aaef20ac9044

Parent:

0:851248a56628

Child:

9:06eca688f2a3

--- a/Adafruit_FONA.cpp	Thu Mar 10 05:52:15 2016 +0000
+++ b/Adafruit_FONA.cpp	Thu Mar 10 01:53:00 2016 -0500
@@ -24,10 +24,17 @@
 #define HIGH 1
 #define LOW 0
 
+/*
+Notes George is taking:
+sendCheckReply returns a boolean where its true when FONA responds with the string of its second input
+
+*/
+
 bool Adafruit_FONA::begin(int baudrate) {
-    mySerial.baud(baudrate);
-    mySerial.attach(this, &Adafruit_FONA::onSerialDataReceived, Serial::RxIrq);
+    mySerial.baud(baudrate); //set the baud rate of the fona serial connection
+    mySerial.attach(this, &Adafruit_FONA::onSerialDataReceived, Serial::RxIrq); //attached onSerialDataReceived as Serial receive interrupt
     
+    // INIT Reboot process
     _rstpin = HIGH;
     wait_ms(10);
     _rstpin = LOW;
@@ -37,8 +44,10 @@
     // give 3 seconds to reboot
     wait_ms(3000);
     
+    // flushes the serial port
     while (readable()) getc();
     
+    // Make sure FONA is alive
     sendCheckReply("AT", "OK");
     wait_ms(100);
     sendCheckReply("AT", "OK");
@@ -50,6 +59,7 @@
     sendCheckReply("ATE0", "OK");
     wait_ms(100);
     
+    // Just checks if the FONA even responds, if it doesnt, then return false
     if (! sendCheckReply("ATE0", "OK")) {
         return false;
     }
@@ -1198,6 +1208,7 @@
     return idx;
 }
 
+// This function just reads the output from FONA after an AT command is sent to it
 uint8_t Adafruit_FONA::readline(uint16_t timeout, bool multiline) {
     uint16_t replyidx = 0;