/[H9]/trunk/Embedded/main.c
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revision 174 by hedin, Thu Dec 6 12:30:39 2007 UTC revision 175 by hedin, Thu Dec 6 13:36:07 2007 UTC
# Line 20  Line 20 
20  unsigned char global_Pot_Hi, global_Pot_Lo;  unsigned char global_Pot_Hi, global_Pot_Lo;
21  unsigned char global_serial_send[BUFFER], global_serial_recieve_buffer[BUFFER];  unsigned char global_serial_send[BUFFER], global_serial_recieve_buffer[BUFFER];
22  bit global_recieve_done = 0, global_interval_changed = 0;  bit global_recieve_done = 0, global_interval_changed = 0;
23  unsigned int global_serial_byte_counter = 0, global_sms_counter = 1, global_time_counter = 0;  unsigned int global_serial_byte_counter = 0, global_sms_counter = 1, global_time_counter = 0,  global_time_counter_image = 0;
24  unsigned int global_emergency_counter = 600, global_time_interval = 3600;  unsigned int global_emergency_counter = 600, global_time_interval = 3600;
25  unsigned char global_temp = 0;  unsigned char global_temp = 0;
26    
27  unsigned char global_temp_update_display = 0;  unsigned int global_temp_update_display = 0;
28    
29  unsigned char global_message_buffer1[BUFFER];  unsigned char global_message_buffer1[BUFFER];
30  unsigned char global_message_buffer2[BUFFER];  unsigned char global_message_buffer2[BUFFER];
# Line 44  unsigned char global_sms_recieve_number[ Line 44  unsigned char global_sms_recieve_number[
44  __EEPROM_DATA( 60, 0, 1, 8, '2', '1', '6', '8');  __EEPROM_DATA( 60, 0, 1, 8, '2', '1', '6', '8');
45  __EEPROM_DATA( '1', '7', '8', '4',0,0,0,0);  __EEPROM_DATA( '1', '7', '8', '4',0,0,0,0);
46    
47    
48  void serial_recieved(void);  void serial_recieved(void);
49  void serial_send(void);  void serial_send(void);
50  void update_lcd(void);  void update_lcd(void);
# Line 55  void sms_recieved(void); Line 56  void sms_recieved(void);
56  void send_sms(const unsigned char* payload);  void send_sms(const unsigned char* payload);
57  void eeprom_writer(void);  void eeprom_writer(void);
58    
59    
60  void reset_recieve_buffer(void)  void reset_recieve_buffer(void)
61  {  {
62          global_recieve_done = 0;          global_recieve_done = 0;
# Line 67  void reset_recieve_buffer(void) Line 69  void reset_recieve_buffer(void)
69          memset(global_message_buffer1, 0, BUFFER);          memset(global_message_buffer1, 0, BUFFER);
70          memset(global_message_buffer2, 0, BUFFER);          memset(global_message_buffer2, 0, BUFFER);
71  }        }      
72    //////////  INITS  //////////
73  void pic18_io_init(void)  void pic18_io_init(void)
74  {  {
75          TRISA0  = 1;    // analog input          TRISA0  = 1;    // analog input
# Line 110  void ad_init(void) // Nicked from H7 Line 112  void ad_init(void) // Nicked from H7
112          ADON=1;          ADON=1;
113  }  }
114    
 void rs232_init(void)  
 {  
         SPEN    = 0;    // Serial Port Enable Bit... 0 = disabled  
         TRISC6  = 0;      
         TRISC7  = 1;  
115    
         SPBRG   = 207;  // 1200 baud rate... 25 = 9600  
                                         // x = (Fosc / (16*[baud rate]) )-1  
         TXSTA   = 0x24; // Enables BRGH and TXEN inthe TXSTA register  
         RCSTA   = 0x90; // 0x90 enables SPEN and CREN in the RCSTA register  
 }  
116    
117  void interrupt_init(void)  void interrupt_init(void)
118  {  {
# Line 133  void interrupt_init(void) Line 125  void interrupt_init(void)
125          TMR1IE  = 1;    // Enables timer 1          TMR1IE  = 1;    // Enables timer 1
126  }        }      
127    
128    
129    
130  void timer_init(void)  void timer_init(void)
131  {  {
132          TMR1CS = 1; //use external clock          TMR1CS = 1; //use external clock
# Line 146  void timer_init(void) Line 140  void timer_init(void)
140          T1OSCEN = 1; //enable oscillator circuit                  T1OSCEN = 1; //enable oscillator circuit        
141          RD16 = 0; //normal 8 bit writes          RD16 = 0; //normal 8 bit writes
142          TMR1ON = 1;          TMR1ON = 1;
143  }        }
144            
145    void rs232_init(void)
146    {
147            SPEN    = 0;    // Serial Port Enable Bit... 0 = disabled
148            TRISC6  = 0;    
149            TRISC7  = 1;
150    
151            SPBRG   = 207;  // 1200 baud rate... 25 = 9600
152                                            // x = (Fosc / (16*[baud rate]) )-1
153            TXSTA   = 0x24; // Enables BRGH and TXEN inthe TXSTA register
154            RCSTA   = 0x90; // 0x90 enables SPEN and CREN in the RCSTA register
155    }
156    
157  void sms_init(void)  void sms_init(void)
158  {  {
# Line 175  void sms_init(void) Line 181  void sms_init(void)
181                  }                  }
182          }          }
183    
184            sprintf(global_serial_send,"%s", "at+cpin?\r");
         sprintf(global_serial_send,"%s", "at+cpin=8043\r");  
185          serial_send();          serial_send();
186            DelayMs(100);           // To give the modem a chance to answer.
187                    
188          while(global_modem_init == 0)          if (strstr(global_message_buffer1, "+CPIN: SIM PIN") != 0)
189          {          {
190                  on_initial_recieve();                  sprintf(global_serial_send,"%s", "at+cpin=8043\r");
191                    serial_send();
192                    
193                    while(global_modem_init == 0)
194                    {
195                            on_initial_recieve();
196                    }
197          }          }
         DelayMs(5);  
           
198          reset_recieve_buffer();          reset_recieve_buffer();
199          sprintf(global_serial_send, "at+cmgd=1,4\r");          sprintf(global_serial_send, "at+cmgd=1,4\r");
200          serial_send();          serial_send();
201          while ( strstr(global_message_buffer1,"OK") == 0) ;          while ( strstr(global_message_buffer1,"OK") == 0) ;
202  }  }
203    
   
 void interrupt interrupt_handler(void)  
 {  
         // Finds out what interrupt have been trigged, and starts the respective function.  
         if(RCIF == 1)                   // Serial recieve interrupt  
         {  
                 serial_recieved();  
                 RCIF = 0;  
         }  
           
         if(TMR1IF == 1)                 // timer1 interrupt trigger.  
         {  
                 timer1_interrupt();  
                 TMR1IF = 0;  
         }  
 }                
   
   
204  void serial_send(void)  void serial_send(void)
205  {  {
206          int i;          int i;
# Line 226  void serial_send(void) Line 218  void serial_send(void)
218          global_serial_send[0] = 0;          global_serial_send[0] = 0;
219          DelayMs(150);          DelayMs(150);
220  }        }      
221    //////////  INTERRUPT HANDLER  //////////
222    void interrupt interrupt_handler(void)
223    {
224            // Finds out what interrupt have been trigged, and starts the respective function.
225            if(RCIF == 1)                   // Serial recieve interrupt
226            {
227                    serial_recieved();
228                    RCIF = 0;
229            }
230            
231            if(TMR1IF == 1)                 // timer1 interrupt trigger.
232            {
233                    timer1_interrupt();
234                    TMR1IF = 0;
235            }
236    }              
237    
238  ///////////////////////////////////////////////////////////////////////////////////////////////////  //////////  INTERRUPT TRIGGED //////////
 // Takes the recieving data and fills it in a buffer, when we meet a '\r' we fill the data from,  
 // global_serial_recieve_buffer, to global_message_buffer1, and sets the flag global_recieve_done.  
239  void serial_recieved(void)  void serial_recieved(void)
240  {  {
241          char data_byte;          char data_byte;
# Line 282  void timer1_interrupt(void) Line 288  void timer1_interrupt(void)
288          global_emergency_counter++;          global_emergency_counter++;
289          RA1 = !RA1;          RA1 = !RA1;
290  }  }
291    //////////  ORDENARY FUNKTIONS  //////////
292  void update_lcd(void)  void update_lcd(void)
293  {  {
294          if(global_temp_update_display != global_time_counter)          if(global_temp_update_display != global_time_counter)
# Line 456  void sms_recieved(void) Line 462  void sms_recieved(void)
462    
463  }  }
464    
465    void Delay(int time)
466    {
467            int wanted = (global_time_counter + time) % global_time_interval;
468            
469            while (global_time_counter < wanted) ;
470    }
471    
472  void main()  void main()
473  {  {
# Line 470  void main() Line 481  void main()
481          rs232_init();          rs232_init();
482          ad_init();          ad_init();
483          lcd_init(0);          lcd_init(0);
484            lcd_clear();
485            lcd_home();
486          interrupt_init();          interrupt_init();
487          timer_init();          timer_init();
488          sms_init();          sms_init();
# Line 490  void main() Line 503  void main()
503                          send_update();                          send_update();
504                          global_emergency_counter = 0;                          global_emergency_counter = 0;
505                  }                  }
506                    
507          // Every X sec. a status sms is send.          // Every X sec. a status sms is send.
508                  if(global_time_counter >= 3600)                  if(global_time_counter >= global_time_interval)
509                  {                  {
510                          send_update();                          send_update();
511                          global_time_counter = 0;                          global_time_counter = 0;
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