Diff: gsmqueue.h

Revision:

24:7d2ff444d6d8

Parent:

23:5227fb014aad

--- a/gsmqueue.h	Tue Mar 24 18:39:13 2015 +0000
+++ b/gsmqueue.h	Sat Apr 11 23:21:46 2015 +0000
@@ -1,43 +1,54 @@
 #ifndef GSMQUEUE_H
 #define GSMQUEUE_H
 
-/* gsmqueue.cpp
+/* gsmqueue.h
  * Contains functions to read from the DMA buffer in a queue fashion
  */
 
 //Memory block of char size alocated for DMA
-#define BUFFER_LENGTH 1000//cannot exeede an int max value
-
+#define BUFFER_LENGTH 2000
+#define MAX_SMS_LENGTH 700    //Absolute SMS length max = 900 (let's do 700 to be safe)
 #define QUEUETAIL (char*)DMA_TCD0_DADDR
 
 
+//Public functions ------------------------------------------------------------------------------
 //Initialize variables 
 void queueInit();
 
-//Find an occurrence of the given string in the buffer.
-//Only advance queueHead until a matching string is found.
-bool findInQueue(char* str);
+//Send gsm a command
+void sendCommand(char* sPtr);
+
+//Return 1 if queue has data and the GSM is done transmitting its response
+bool queueHasResponse();
 
-//Increment queue index by 1, auxiliar function
-char* incrementIndex(char* pointerToIncrement);
+//Find an occurrence of the given string in the buffer.
+//If advanceQueueHead is true, advance queueHead just until a matching string is found.
+bool findInQueue(char* str, bool advanceQueueHead);
 
-//will eliminate all elements form queue.
-void flushQueue();
+//Parse through characters until first integer is found
+int parseInt();
 
 //Print queue elements
 void printQueue();   //for debugging
 
-//Parse through characters until first integer is found
-int parseInt();
+
+//Internal functions ------------------------------------------------------------------------------
+//Get the GSM DMA idle bit (if 1, indicates we aren't in the process of receiving a response)
+bool getGSMIdleBit();
 
 //Returns true if the character is numeric
 bool isNumeric(char* qPos);
 
-//Reset the GSM DMA idle bit to 0
-void resetGSMIdleBit();
+//Increment queue position by 1 (Note: this function is only used by gsmqueue.cpp)
+char* incrementIndex(char* pointerToIncrement);
+
+//Increment queue position by n (Note: this function is only used by gsmqueue.cpp)
+char* incrementIndex(char* pointerToIncrement, int n);
 
-//Get the GSM DMA idle bit (if 1, indicates we already received a response)
-bool getGSMIdleBit();
+//Get size of the queue from reference point of tail parameter
+int queueSize(char* tail);
 
+//Clear queue (Note: this function is only used by gsmqueue.cpp)
+void flushQueue();
 
 #endif
\ No newline at end of file