/[H9]/trunk/Embedded/main.c
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revision 175 by hedin, Thu Dec 6 13:36:07 2007 UTC revision 238 by hedin, Tue Dec 11 14:51:55 2007 UTC
# Line 6  Line 6 
6    
7  #include "lcd.h"  #include "lcd.h"
8  #include "Delay.h"  #include "Delay.h"
 // Delay.h is included inside lcd.c  
9    
10  #define LCD_LENGTH 16  #define BUFFER 160
 #define LCD_ROWS 2  
 #define BUFFER 128  
11  #define PWRFAIL RB1  #define PWRFAIL RB1
12  #define FIREDET RB2  #define FIREDET RB2
13  #define FEEDING RB3  #define FEEDING RB3
# Line 19  Line 16 
16    
17  unsigned char global_Pot_Hi, global_Pot_Lo;  unsigned char global_Pot_Hi, global_Pot_Lo;
18  unsigned char global_serial_send[BUFFER], global_serial_recieve_buffer[BUFFER];  unsigned char global_serial_send[BUFFER], global_serial_recieve_buffer[BUFFER];
19  bit global_recieve_done = 0, global_interval_changed = 0;  bit global_recieve_done = 0;
20  unsigned int global_serial_byte_counter = 0, global_sms_counter = 1, global_time_counter = 0,  global_time_counter_image = 0;  unsigned int global_serial_byte_counter = 0, global_sms_counter = 1, global_time_counter = 0;
21  unsigned int global_emergency_counter = 600, global_time_interval = 3600;  unsigned int global_emergency_counter = 600, global_time_interval = 3600;
22  unsigned char global_temp = 0;  unsigned char global_temp = 0;
23    
# Line 33  unsigned char global_message_buffer_leng Line 30  unsigned char global_message_buffer_leng
30    
31  unsigned char global_lcd_buf[16];  unsigned char global_lcd_buf[16];
32    
33  unsigned short global_imei_tversum;  unsigned int global_imei_tversum;
34    
35  unsigned char global_cell_nr[15] = ""; // = "21681784";  unsigned char global_cell_nr[15] = ""; // = "21681784";
36  bit global_modem_init = 0;  bit global_modem_init = 0;
# Line 48  __EEPROM_DATA( '1', '7', '8', '4',0,0,0, Line 45  __EEPROM_DATA( '1', '7', '8', '4',0,0,0,
45  void serial_recieved(void);  void serial_recieved(void);
46  void serial_send(void);  void serial_send(void);
47  void update_lcd(void);  void update_lcd(void);
48  void convertTemp(void);  void convert_temp(void);
49  void timer1_interrupt(void);  void timer1_interrupt(void);
50  void on_recieve(void);  void on_recieve(void);
51  void on_initial_recieve(void);  void on_initial_recieve(void);
# Line 62  void reset_recieve_buffer(void) Line 59  void reset_recieve_buffer(void)
59          global_recieve_done = 0;          global_recieve_done = 0;
60                    
61          global_message_buffer_length1 = 0;          global_message_buffer_length1 = 0;
         //global_message_buffer1[0] = 0;          
62          global_message_buffer_length2 = 0;          global_message_buffer_length2 = 0;
         //global_message_buffer2[0] = 0;          
63                    
64          memset(global_message_buffer1, 0, BUFFER);          memset(global_message_buffer1, 0, BUFFER);
65          memset(global_message_buffer2, 0, BUFFER);          memset(global_message_buffer2, 0, BUFFER);
# Line 89  void ad_init(void) // Nicked from H7 Line 84  void ad_init(void) // Nicked from H7
84          ADCS1 = 0;          ADCS1 = 0;
85          ADCS2 = 0;          ADCS2 = 0;
86    
87          //Select AN0/RA0 for AD source          //Select AN0/RA0 for AD source.
88                  // In this (000) setup, it's only RA0/AN0 that does ad convertion.          // In this (000) setup, it's only RA0/AN0 that does ad convertion.
89          CHS0=0;          CHS0=0;
90          CHS1=0;          CHS1=0;
91          CHS2=0;          CHS2=0;
# Line 129  void interrupt_init(void) Line 124  void interrupt_init(void)
124    
125  void timer_init(void)  void timer_init(void)
126  {  {
127          TMR1CS = 1; //use external clock          TMR1CS = 1;     //use external clock
128                    
129          T1CKPS1 = 1; //1:8 prescale          T1CKPS1 = 1;    //1:8 prescale
130          T1CKPS0 = 1;          T1CKPS0 = 1;
131                    
132          TMR1H = 0xEF;          TMR1H = 0xEF;
133          TMR1L = 0xFF;          TMR1L = 0xFF;
134    
135          T1OSCEN = 1; //enable oscillator circuit                  T1OSCEN = 1;    //enable oscillator circuit    
136          RD16 = 0; //normal 8 bit writes          RD16 = 0;       //normal 8 bit writes
137          TMR1ON = 1;          TMR1ON = 1;
138  }  }
139                    
# Line 154  void rs232_init(void) Line 149  void rs232_init(void)
149          RCSTA   = 0x90; // 0x90 enables SPEN and CREN in the RCSTA register          RCSTA   = 0x90; // 0x90 enables SPEN and CREN in the RCSTA register
150  }  }
151    
152  void sms_init(void)  void modem_init(void)
153  {  {
154          int i;          int i;
155          char buf[2];          char buf[2];
# Line 183  void sms_init(void) Line 178  void sms_init(void)
178    
179          sprintf(global_serial_send,"%s", "at+cpin?\r");          sprintf(global_serial_send,"%s", "at+cpin?\r");
180          serial_send();          serial_send();
181          DelayMs(100);           // To give the modem a chance to answer.          DelayMs(100);           // Delay to give the modem a chance to answer.
182                    
183          if (strstr(global_message_buffer1, "+CPIN: SIM PIN") != 0)          if (strstr(global_message_buffer1, "+CPIN: SIM PIN") != 0)
184          {          {
# Line 217  void serial_send(void) Line 212  void serial_send(void)
212          DelayMs(150);          DelayMs(150);
213          global_serial_send[0] = 0;          global_serial_send[0] = 0;
214          DelayMs(150);          DelayMs(150);
215  }        }
216    
217    void on_initial_recieve(void)
218    {
219            if (strstr(global_serial_recieve_buffer,"+WIND: 11") != 0)
220            {
221                    global_modem_init = 1;
222                    reset_recieve_buffer();
223            }
224    }
225    
226  //////////  INTERRUPT HANDLER  //////////  //////////  INTERRUPT HANDLER  //////////
227  void interrupt interrupt_handler(void)  void interrupt interrupt_handler(void)
228  {  {
# Line 286  void timer1_interrupt(void) Line 291  void timer1_interrupt(void)
291          TMR1L = 0xFF;          TMR1L = 0xFF;
292          global_time_counter++;          global_time_counter++;
293          global_emergency_counter++;          global_emergency_counter++;
         RA1 = !RA1;  
294  }  }
295    
296  //////////  ORDENARY FUNKTIONS  //////////  //////////  ORDENARY FUNKTIONS  //////////
297  void update_lcd(void)  void update_lcd(void)
298  {  {
299          if(global_temp_update_display != global_time_counter)          if(global_temp_update_display != global_time_counter)
300          {          {
         //      lcd_clear();  
301                  lcd_goto(0x00);                  lcd_goto(0x00);
302                    
303                  sprintf(global_lcd_buf, "Temp: %3d", global_temp);                  sprintf(global_lcd_buf, "Temp: %3d", global_temp);
# Line 319  void send_sms(const unsigned char* paylo Line 323  void send_sms(const unsigned char* paylo
323          sprintf(global_serial_send, "%s%c", payload, 0x1A);          sprintf(global_serial_send, "%s%c", payload, 0x1A);
324          serial_send();          serial_send();
325          DelayMs(150);          DelayMs(150);
326          if(global_sms_counter % 3 == 0)          if(global_sms_counter % 4 == 0)
327          {          {
328                  eeprom_writer();                  eeprom_writer();
329                  sprintf(global_serial_send, "at+cmgd=1,3\r");                  sprintf(global_serial_send, "at+cmgd=1,3\r");
# Line 328  void send_sms(const unsigned char* paylo Line 332  void send_sms(const unsigned char* paylo
332          }          }
333  }        }      
334    
335  void convertTemp()  void convert_temp(void)
336  {  {
337          short adVal;          short adVal;
338          adVal = (global_Pot_Hi << 8) | global_Pot_Lo;          adVal = (global_Pot_Hi << 8) | global_Pot_Lo;
339          if( adVal >=840 )          if( adVal >=840 ) // 840 == 4.1V or 82% of 5V, we do this because 4.1V == 100C.
340                  global_temp = 100;                  global_temp = 100;
341          else          else
342                  global_temp = (unsigned char) (adVal / 8.3886);                  global_temp = (unsigned char) (adVal / 8.3886);
# Line 373  void eeprom_reader(void) Line 377  void eeprom_reader(void)
377          global_cell_nr[i] = 0; //zero terminated!          global_cell_nr[i] = 0; //zero terminated!
378  }        }      
379    
 void on_initial_recieve(void)  
 {  
         char imei[16];  
         char* ptr;  
         char i;  
         char buf[2];  
           
         if (strstr(global_serial_recieve_buffer,"+WIND: 11") != 0)  
         {  
                 global_modem_init = 1;  
   
                 ptr = strstr(global_serial_recieve_buffer,"cgsn");  
                 ptr +=4;  
                 strncpy(imei, ptr,15);  
                 imei[15] = 0;  
                   
                 reset_recieve_buffer();  
         }  
 }  
380    
381  void on_recieve(void)  void on_recieve(void)
382  {  {
# Line 405  void on_recieve(void) Line 390  void on_recieve(void)
390          if (strstr(global_message_buffer1,"CMTI") != 0) // here we handles a incomming SMS          if (strstr(global_message_buffer1,"CMTI") != 0) // here we handles a incomming SMS
391          {          {
392                  ptr = strstr(global_message_buffer1,",");       // finds the point just before the nr. of the SMS.                  ptr = strstr(global_message_buffer1,",");       // finds the point just before the nr. of the SMS.
393                  strcat(tmp,ptr+1);                                                      // puts that number in tmp                  strcat(tmp,ptr+1);                      // puts that number in tmp
394                  global_sms_recieve_number[0] = 0;                       // wanna be sure that we write the new number from global_sms_recieve_number[0]                  global_sms_recieve_number[0] = 0;       // wanna be sure that we write the new number from global_sms_recieve_number[0]
395                  strcat(global_sms_recieve_number, tmp);         // puts the sms number into the global variable.                  strcat(global_sms_recieve_number, tmp); // puts the sms number into the global variable.
396                  sms_recieved();                  sms_recieved();
397          }                }      
398          reset_recieve_buffer();          reset_recieve_buffer();
# Line 455  void sms_recieved(void) Line 440  void sms_recieved(void)
440                                    
441                  global_time_interval = atoi(buf);                  global_time_interval = atoi(buf);
442                  global_time_interval *= 60;                  global_time_interval *= 60;
443                  eeprom_writer();                        // writes the new cell nr. and time interval to the eeprom.                  eeprom_writer();  // writes the new cell nr. and time interval to the eeprom.
444                  send_sms("conf ok");                  send_sms("conf ok");
445          }          }
446                    
# Line 476  void main() Line 461  void main()
461    
462          // Running init for various components.          // Running init for various components.
463          pic18_io_init();          pic18_io_init();
464          RA5 = 1;                        // Indicates that the board is running inits.          RA5 = 1;                // Indicates that the board is running inits.
465                    
466          rs232_init();          rs232_init();
467          ad_init();          ad_init();
# Line 485  void main() Line 470  void main()
470          lcd_home();          lcd_home();
471          interrupt_init();          interrupt_init();
472          timer_init();          timer_init();
473          sms_init();          modem_init();
474          eeprom_reader();          eeprom_reader();
475  ///////////////  ///////////////
476  // Main loop //  // Main loop //
# Line 493  void main() Line 478  void main()
478          DelayMs(50);          DelayMs(50);
479          reset_recieve_buffer();          reset_recieve_buffer();
480    
481          RA5 = 0;                        // Inits are done, and RA1 will now work as a error notifier.          RA5 = 0;                // Inits are done, and RA1 will now work as a error notifier.
482    
483          while(1)          while(1)
484          {          {
# Line 514  void main() Line 499  void main()
499                  if( global_emergency_counter > 7200 )                  if( global_emergency_counter > 7200 )
500                          global_emergency_counter = 600;                          global_emergency_counter = 600;
501    
         // Checks if there has been recieved a config sms.  
                 if(global_interval_changed )  
                 {  
                         eeprom_writer();  
                         global_interval_changed = 0;  
                 }  
502          // Checking if A/D convertion is done, and save the data in global_Pot_??          // Checking if A/D convertion is done, and save the data in global_Pot_??
503                  if(GODONE==0)                  if(GODONE==0)
504                  {                  {
505                          global_Pot_Hi = ADRESH;                          global_Pot_Hi = ADRESH;
506                          global_Pot_Lo = ADRESL;                          global_Pot_Lo = ADRESL;
507                          convertTemp();                          convert_temp();
508                          update_lcd();                          update_lcd();
509                          GODONE = 1;                          GODONE = 1;
510                  }                  }
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