Diff: GSMLibrary.h

Revision:

11:045cb766d9a5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GSMLibrary.h	Wed Oct 21 19:41:42 2015 +0000
@@ -0,0 +1,46 @@
+#ifndef GSMLIBRARY_H
+#define GSMLIBRARY_H
+
+#include "mbed.h"
+
+#define TIME_CONST 1    //Specify length of each GSM tick (currently 1 seconds in our debugger)
+#define SECONDS_TIMEOUT 30
+#define SMS_END_CHAR "\x1A"     //Character that must be appended to end of text message before it will be sent
+#define SMS_ESCAPE_CHAR "\x1A"  //Character that can be appended to end of text message to abort sending it
+
+enum gsm_states{GSM_INITIALIZE, 
+                    GSM_AT_OK,      //Make sure communication is established with GSM
+                    GSM_AT_CSQ,     //Check signal strength
+                    GSM_AT_CREG,    //Check if phone is connected to network
+                    GSM_AT_CNMI,    //Turn off incoming SMS notifications
+                    GSM_AT_CMGF,    //Change to text message mode
+                    GSM_READ_MSG,   //Check for new messages.
+                    GSM_AT_CMGS,    //Input phone number and indicate beginning of SMS message body
+                    GSM_AT_SENDSMS, //Write message, finish with SMS_END_CHAR
+                    GSM_DEL_R_MSGS  //Delete unread messages (if present)   
+                };
+
+//GSM state machine
+void gsm_tick();
+bool gsm_timeOut();
+void gsm_printState();
+void gsm_nextStateLogic();
+void gsm_mealyOutputs();
+
+//Initialize DMA data transfer, and UART3.
+void gsm_initialize();
+
+//returns 1 for ready to send again, 0 for busy.
+bool gsm_ready();
+
+//Have the GSM send data - L = long, S = short, hh/mm/ss for time, "lat ns" for latitute, "lon we" for longitude
+void gsm_send_data(float L, float Lref, float S, float Sref, int hh, int mm, int ss, float lat, char ns, float lon, char we);
+
+//Brings state machine back to initialize state (notice this is a bit different than the initialize function)
+//This will set flags to their initial values and prepare gsm to start anew.
+void gsm_reset();
+
+//For debugging: print registers related to DMA and UART setup
+void print_registers();
+
+#endif
\ No newline at end of file