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]; |
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); |
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; |
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 |
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 |
{ |
{ |
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 |
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 |
{ |
{ |
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; |
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; |
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) |
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 |
{ |
{ |
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(); |
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; |