Diff: GSMLibrary.cpp

Revision:

8:6b4a6bcd7694

Parent:

1:8614e190908b

Child:

9:c79e856c36e2

--- a/GSMLibrary.cpp	Fri Mar 06 22:36:44 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,280 +0,0 @@
-#include "GSMLibrary.h"
-#include "gsmqueue.h"
-#include <string.h>
-
-#define TIME_CONST .3
-#define SECONDS_TIMEOUT 40
-#define TIMEOUTLIMIT SECONDS_TIMEOUT/TIME_CONST //$change check with main code this will set up condition fior timeout.
-
-//definition for AT comands
-#define AT_OK "AT"
-#define AT_CSQ "AT+CSQ" 
-#define AT_CREG "AT+CREG?"
-#define AT_CMGF "AT+CMGF=1"
-#define RECEIVER_PHONE_NUMBER "\"+18014722842\""
-#define AT_CMGS "AT+CMGS=" RECEIVER_PHONE_NUMBER 
-#define MESSAGE_BODY "stress test\32\32"
-
-//Definition for AT repsonses
-//Please notice that after ":" the gsm will usually send aditional information
-#define AT_OK_RESPONSE "OK" //Response after sending "AT" message
-#define AT_CSQ_RESPONSE "+CSQ:" //+CSQ: <arg1>,<arg2> where <arg1> is signal strength arg1 = 0-30 where a number below 10 means low signal strength and 99 is not knwn or detectable signal and arg2 is bit error rate form 0-7, 99 will represent error 
-#define AT_CREG_RESPONSE "+CREG:"//+CREG: <arg1>,<arg2> where <arg1> = 0-2(see AT command descriptions), <arg2> =  0-5, 0 not registered to nework and not looking for one. 1 is conected to network, 2 is not conected but searching
-#define AT_CMGF_RESPONSE "OK"
-#define AT_CMGS_RESPONSE ">"  //Message is written aftersymbol
-#define AT_SENDSMS_RESPONSE ">" // +CMGS: <id> this will include the message id. CMGS ERROR for error and 
-#define AT_SUCCESS_REPSONSE "+CMGS:"
-
-//External variables
-extern Serial pc;
-extern Serial gsm;
-extern uint8_t buffer[BUFFER_LENGTH];//buffer storing char
-
-//Internal variables
-gsm_states gsm_current_state = GSM_INITIALIZE;
-char send = 0;
-int timeout_count = 0;
-
-void gsm_tick()
-{
-    if (getGSMIdleBit() || gsm_timeOut() || (send && gsm_current_state == GSM_INITIALIZE))  //question with send...
-    {
-        resetGSMIdleBit();  //reset GSM idle bit
-        gsm_nextStateLogic();   //Next state
-        gsm_mealyOutputs(); //Mealy outputs
-        flushQueue();       //Flush the queue
-    }
-}
-
-
-
-//Advance timeout counter; if timeout, return true
-bool gsm_timeOut()
-{
-    if(++timeout_count >= TIMEOUTLIMIT){
-        timeout_count=0; 
-        gsm_current_state = GSM_INITIALIZE;
-        return true;
-    }
-    else
-        return false;     
-}
-
-//Next state logic -----------------------------------------------------
-void gsm_nextStateLogic()
-{
-    printQueue(); //$debug
-
-    switch(gsm_current_state)
-    {
-        case GSM_INITIALIZE:
-            pc.printf("gsm_initialize state\r\n");//&debug
-            timeout_count = 0;
-            if (send)
-                gsm_current_state = GSM_AT_OK;   //unconditional (check it)
-            break;
-        case GSM_AT_OK:
-            pc.printf("inside AT_OK state\r\n");//&debug
-            if (findInQueue(AT_OK_RESPONSE))
-                gsm_current_state = GSM_AT_CSQ;
-            break;
-        case GSM_AT_CSQ:
-            pc.printf("inside AT_CSQ state \r\n");//&debug
-            if(findInQueue(AT_CSQ_RESPONSE))
-                gsm_current_state = GSM_AT_CREG;
-            break;
-        case GSM_AT_CREG:
-            pc.printf("gsm_creg state\r\n");//&debug
-            if(findInQueue(AT_CREG_RESPONSE))
-            {
-                pc.printf("creg parse Int1: %d\r\n",parseInt());//&debug
-                int q = parseInt();
-                pc.printf("creg parse Int2: %d\r\n",q);//&debug
-                if(q == 1)
-                    gsm_current_state = GSM_AT_CMGF;
-            } 
-            break;
-        case GSM_AT_CMGF:
-            pc.printf("gsm_cmgf state\r\n");//&debug
-            if(findInQueue(AT_CMGF_RESPONSE))
-                gsm_current_state = GSM_AT_CMGS;
-            break;
-        case GSM_AT_CMGS:
-            pc.printf("gsm_cmgs state\r\n");//&debug
-            if(findInQueue(AT_CMGS_RESPONSE))
-                gsm_current_state = GSM_AT_SENDSMS;
-            break;
-        case GSM_AT_SENDSMS:
-            pc.printf("gsm_send_sms state\r\n");//&debug
-            if(findInQueue(AT_SENDSMS_RESPONSE))
-                gsm_current_state = GSM_SUCCESS;
-            else
-                gsm_current_state = GSM_AT_CMGS;        //The only spot we can go backwards
-            break;
-        case GSM_SUCCESS:
-            pc.printf("gsm_success state\r\n");//&debug
-            if(findInQueue(AT_SENDSMS_RESPONSE))         //This appears to be a bug. It was in Danilo's original code as well.
-                pc.printf("Message SENT! msgID: %iY\r\n",parseInt());//&debug
-            gsm_current_state = GSM_AT_CMGS;                //Confusing part. Do we always go backwards here?
-            break;
-        default:
-            pc.printf("This is a state error");
-    }
-}
-
-//Mealy output logic ------------------------------------------------------
-void gsm_mealyOutputs()
-{
-    switch(gsm_current_state)
-    {
-        case GSM_INITIALIZE:
-            pc.printf("No Mealy initialize state output\r\n");//&debug
-            break;
-        case GSM_AT_OK:
-            pc.printf("sending AT_OK\r\n");//&debug
-            gsm.puts(AT_OK);
-            gsm.puts("\r\n"); 
-            break;
-        case GSM_AT_CSQ:
-            pc.printf("sending AT_CSQ\r\n");//&debug
-            gsm.puts(AT_CSQ);
-            gsm.puts("\r\n"); 
-            break;
-        case GSM_AT_CREG:
-            pc.printf("sending AT_CREG\r\n");//&debug
-            gsm.puts(AT_CREG);
-            gsm.puts("\r\n"); 
-            break;
-        case GSM_AT_CMGF:   
-            pc.printf("sending AT_CMGF\r\n");//&debug
-            gsm.puts(AT_CMGF);
-            gsm.puts("\r\n"); 
-            break;
-        case GSM_AT_CMGS:   
-            pc.printf("sending AT_CMGS\r\n");//&debug
-            gsm.puts(AT_CMGS);
-            gsm.puts("\r\n"); 
-            break;
-        case GSM_AT_SENDSMS:
-            pc.printf("sending MESSAGE_BODY\r\n");//&debug
-            gsm.puts(MESSAGE_BODY); //substitute char included
-            gsm.puts("\r\n"); 
-            break;
-        case GSM_SUCCESS:
-            pc.printf("No Mealy success state output\r\n");//&debug 
-        default:
-            pc.printf("This is a state error");
-    }
-}
-
-//set send falg on
-void gsm_send_sms(){
-    send = 1;
-}
-
-//
-void gsm_reset();
-
-
-//
-void gsm_initialize(){  
-      SIM_SCGC6 |= SIM_SCGC6_DMAMUX_MASK; //enabling dmamux clock
-      SIM_SCGC7 |= SIM_SCGC7_DMA_MASK;  // enebaling dma clock
-      pc.printf("initializing registers...!\r\n");
-     // control register mux, enabling uart3 receive        
-     DMAMUX_CHCFG0 |= DMAMUX_CHCFG_ENBL_MASK|DMAMUX_CHCFG_SOURCE(8); 
-     
-     // Enable request signal for channel 0 
-     DMA_ERQ = DMA_ERQ_ERQ0_MASK;
-     
-      // select round-robin arbitration priority
-     DMA_CR |= DMA_CR_ERCA_MASK;
-     
-     //enabled error interrupt for DMA0
-     //DMA_EEI = DMA_EEI_EEI0_MASK ;
-     //Addres for buffer
-     DMA_TCD0_SADDR = (uint32_t) &UART_D_REG(UART3_BASE_PTR);
-     DMA_TCD0_DADDR = (uint32_t) buffer;
-     // Set an offset for source and destination address
-     DMA_TCD0_SOFF = 0x00; 
-     DMA_TCD0_DOFF = 0x01; // Destination address offset of 1 byte per transaction
-     
-     // Set source and destination data transfer size
-     DMA_TCD0_ATTR = DMA_ATTR_SSIZE(0) | DMA_ATTR_DSIZE(0);
-     
-     // Number of bytes to be transfered in each service request of the channel
-     DMA_TCD0_NBYTES_MLNO = 0x01;
-     // Current major iteration count
-    DMA_TCD0_CITER_ELINKNO = DMA_CITER_ELINKNO_CITER(BUFFER_LENGTH);
-    DMA_TCD0_BITER_ELINKNO = DMA_BITER_ELINKNO_BITER(BUFFER_LENGTH);
-    // Adjustment value used to restore the source and destiny address to the initial value
-    // After reading 'len' number of times, the DMA goes back to the beginning by subtracting len*2 from the address (going back to the original address)
-    DMA_TCD0_SLAST = 0;   // Source address adjustment
-    DMA_TCD0_DLASTSGA = -BUFFER_LENGTH;  // Destination address adjustment   
-    // Setup control and status register
-    DMA_TCD0_CSR = 0;
-       
-    // enable interrupt call at end of major loop
-    DMA_TCD0_CSR |= DMA_CSR_INTMAJOR_MASK;
-    
-    //Activate dma trasnfer rx interrupt
-    UART_C2_REG(UART3) |= UART_C2_RIE_MASK;
-    UART_C5_REG(UART3) |= UART_C5_RDMAS_MASK | UART_C5_ILDMAS_MASK | UART_C5_LBKDDMAS_MASK;
-    //activate p fifo   
-    UART_PFIFO_REG(UART3) |= UART_PFIFO_RXFE_MASK; //RXFE and buffer size of 1 word
-    queueInit();
-    pc.printf("Initialization done...\n\r");
-}
-
-
-
-//initialization debuging purposes
-void print_registers() {
-    
-   
-    pc.printf("\n\rDMA REGISTERS\n\r");
-    pc.printf("DMA_MUX: 0x%08x\r\n",DMAMUX_CHCFG0);
-    pc.printf("SADDR0: 0x%08x\r\n",DMA_TCD0_SADDR);
-    pc.printf("DADDR0: 0x%08x\r\n",DMA_TCD0_DADDR);
-    pc.printf("CITER0: 0x%08x\r\n",DMA_TCD0_CITER_ELINKNO);
-    pc.printf("BITER0: 0x%08x\r\n",DMA_TCD0_BITER_ELINKNO);
-    pc.printf("DMA_CR: %08x\r\n", DMA_CR);
-    pc.printf("DMA_ES: %08x\r\n", DMA_ES);
-    pc.printf("DMA_ERQ: %08x\r\n", DMA_ERQ);
-    pc.printf("DMA_EEI: %08x\r\n", DMA_EEI);
-    pc.printf("DMA_CEEI: %02x\r\n", DMA_CEEI);
-    pc.printf("DMA_SEEI: %02x\r\n", DMA_SEEI);
-    pc.printf("DMA_CERQ: %02x\r\n", DMA_CERQ);
-    pc.printf("DMA_SERQ: %02x\r\n", DMA_SERQ);
-    pc.printf("DMA_CDNE: %02x\r\n", DMA_CDNE);
-    pc.printf("DMA_SSRT: %02x\r\n", DMA_SSRT);
-    pc.printf("DMA_CERR: %02x\r\n", DMA_CERR);
-    pc.printf("DMA_CINT: %02x\r\n", DMA_CINT);
-    pc.printf("DMA_INT: %08x\r\n", DMA_INT);
-    pc.printf("DMA_ERR: %08x\r\n", DMA_ERR);
-    pc.printf("DMA_HRS: %08x\r\n", DMA_HRS);
-    pc.printf("DMA_TCD0_DOFF: %08x\r\n",DMA_TCD0_DOFF);
-    pc.printf("\n\rUART REGISTERS\n\r");
-    pc.printf("UART_BDH_REG: %08x\r\n",UART_BDH_REG(UART3)); 
-    pc.printf("UART_C1_REG: %08x\r\n",UART_C1_REG(UART3));
-    pc.printf("UART_C2_REG: %08x\r\n",UART_C2_REG(UART3));
-    pc.printf("UART_S1_REG: %08x\r\n",UART_S1_REG(UART3));
-    pc.printf("UART_s2_REG: %08x\r\n",UART_S2_REG(UART3));  
-    pc.printf("UART_C3_REG: %08x\r\n",UART_C3_REG(UART3));
-    pc.printf("UART_D_REG: %08x\r\n",UART_D_REG(UART3));
-    pc.printf("UART_MA1_REG: %08x\r\n",UART_MA1_REG(UART3));
-    pc.printf("UART_MA2_REG: %08x\r\n",UART_MA2_REG(UART3));
-    pc.printf("UART_C4_REG: %08x\r\n",UART_C4_REG(UART3));
-    pc.printf("UART_C5_REG: %08x\r\n",UART_C5_REG(UART3));
-    pc.printf("UART_ED_REG: %08x\r\n",UART_ED_REG(UART3));   
-    pc.printf("UART_MODEM_REG: %08x\r\n",UART_MODEM_REG(UART3));
-    pc.printf("UART_IR_REG: %08x\r\n",UART_IR_REG(UART3)); 
-    pc.printf("UART_PFIFO_REG: %08x\r\n",UART_PFIFO_REG(UART3));
-    pc.printf("UART_CFIFO_REG: %08x\r\n",UART_CFIFO_REG(UART3));
-    pc.printf("UART_SFIFO_REG: %08x\r\n",UART_SFIFO_REG(UART3)); 
-    pc.printf("UART_TWFIFO_REG: %08x\r\n",UART_TWFIFO_REG(UART3));
-    pc.printf("UART_TCFIFO_REG: %08x\r\n",UART_TCFIFO_REG(UART3)); 
-    pc.printf("UART_RWFIFO_REG: %08x\r\n",UART_RWFIFO_REG(UART3)); 
-    pc.printf("UART_RCFIFO_REG: %08x\r\n",UART_RCFIFO_REG(UART3));
-  
-}
\ No newline at end of file