2 |
#include <stdio.h> |
#include <stdio.h> |
3 |
#include <htc.h> |
#include <htc.h> |
4 |
#include <string.h> |
#include <string.h> |
5 |
|
#include <stdlib.h> |
6 |
|
|
7 |
#include "lcd.h" |
#include "lcd.h" |
8 |
#include "Delay.h" |
#include "Delay.h" |
18 |
|
|
19 |
|
|
20 |
unsigned char global_Pot_Hi, global_Pot_Lo; |
unsigned char global_Pot_Hi, global_Pot_Lo; |
|
unsigned char global_LCD_Buffer[LCD_ROWS][LCD_LENGTH]; |
|
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; |
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 |
|
unsigned char global_temp_old = 0; |
27 |
|
|
28 |
|
unsigned char global_message_buffer1[BUFFER]; |
29 |
|
unsigned char global_message_buffer2[BUFFER]; |
30 |
|
unsigned char global_message_buffer_length1; |
31 |
|
unsigned char global_message_buffer_length2; |
32 |
|
|
33 |
|
unsigned char global_lcd_buf[16]; |
34 |
|
|
35 |
unsigned short global_imei_tversum; |
unsigned short global_imei_tversum; |
36 |
|
|
37 |
unsigned char cell_nr[15] = ""; // = "21681784"; |
unsigned char global_cell_nr[15] = ""; // = "21681784"; |
38 |
bit global_modem_init = 0; |
bit global_modem_init = 0; |
39 |
|
bit global_has_imei = 0; |
40 |
|
|
41 |
|
unsigned char global_sms_recieve_number[3]; |
42 |
|
|
43 |
__EEPROM_DATA( 60, 0, 1, 8, '2', '1', '6', '8'); |
__EEPROM_DATA( 60, 0, 1, 8, '2', '1', '6', '8'); |
44 |
__EEPROM_DATA( '1', '7', '8', '4',0,0,0,0); |
__EEPROM_DATA( '1', '7', '8', '4',0,0,0,0); |
50 |
void timer1_interrupt(void); |
void timer1_interrupt(void); |
51 |
void on_recieve(void); |
void on_recieve(void); |
52 |
void on_initial_recieve(void); |
void on_initial_recieve(void); |
53 |
|
void sms_recieved(void); |
54 |
|
void send_sms(const unsigned char* payload); |
55 |
|
|
56 |
|
|
57 |
void reset_recieve_buffer(void) |
void reset_recieve_buffer(void) |
58 |
{ |
{ |
59 |
global_recieve_done = 0; |
global_recieve_done = 0; |
60 |
global_serial_byte_counter=0; |
|
61 |
|
global_message_buffer_length1 = 0; |
62 |
|
//global_message_buffer1[0] = 0; |
63 |
|
global_message_buffer_length2 = 0; |
64 |
|
//global_message_buffer2[0] = 0; |
65 |
|
|
66 |
|
memset(global_message_buffer1, 0, BUFFER); |
67 |
|
memset(global_message_buffer2, 0, BUFFER); |
68 |
} |
} |
69 |
|
|
70 |
|
void pic18_io_init(void) |
71 |
|
{ |
72 |
|
TRISA0 = 1; // analog input |
73 |
|
TRISA5 = 0; // Output |
74 |
|
TRISB1 = 1; // TRISB1-4 Digital input |
75 |
|
TRISB2 = 1; |
76 |
|
TRISB3 = 1; |
77 |
|
TRISB4 = 1; |
78 |
|
} |
79 |
|
|
80 |
|
|
81 |
|
|
82 |
void ad_init(void) // Nicked from H7 |
void ad_init(void) // Nicked from H7 |
83 |
{ |
{ |
141 |
T1OSCEN = 1; //enable oscillator circuit |
T1OSCEN = 1; //enable oscillator circuit |
142 |
RD16 = 0; //normal 8 bit writes |
RD16 = 0; //normal 8 bit writes |
143 |
TMR1ON = 1; |
TMR1ON = 1; |
|
} |
|
|
|
|
|
void pic18_io_init(void) |
|
|
{ |
|
|
TRISA0 = 1; // analog input |
|
|
TRISA1 = 0; // Output |
|
|
TRISB1 = 1; // TRISB1-4 Digital input |
|
|
TRISB2 = 1; |
|
|
TRISB3 = 1; |
|
|
TRISB4 = 1; |
|
144 |
} |
} |
145 |
|
|
146 |
void sms_init(void) |
void sms_init(void) |
147 |
{ |
{ |
148 |
int i; |
int i; |
149 |
|
char buf[2]; |
150 |
|
|
151 |
|
|
152 |
reset_recieve_buffer(); |
reset_recieve_buffer(); |
153 |
sprintf(global_serial_send,"at+cgsn\r"); |
sprintf(global_serial_send,"at+cgsn\r"); |
154 |
serial_send(); |
serial_send(); |
155 |
DelaySek(1); |
DelaySek(1); |
156 |
while(!global_recieve_done) ; |
//while(!global_recieve_done) ; |
157 |
|
|
158 |
|
while (global_has_imei == 0) |
159 |
|
{ |
160 |
|
if (strstr(global_message_buffer1,"OK") != 0) |
161 |
|
{ |
162 |
|
global_imei_tversum = 0; |
163 |
|
for (i=0; i<15; ++i) |
164 |
|
{ |
165 |
|
buf[0] = global_message_buffer2[i]; |
166 |
|
buf[1] = 0; |
167 |
|
global_imei_tversum += atoi(buf); |
168 |
|
//global_imei_tversum += (global_message_buffer2[i] - '0'); |
169 |
|
} |
170 |
|
|
171 |
|
global_has_imei = 1; |
172 |
|
} |
173 |
|
} |
174 |
|
|
175 |
|
|
176 |
sprintf(global_serial_send,"%s", "at+cpin=8043\r"); |
sprintf(global_serial_send,"%s", "at+cpin=8043\r"); |
180 |
{ |
{ |
181 |
on_initial_recieve(); |
on_initial_recieve(); |
182 |
} |
} |
183 |
|
DelayMs(5); |
184 |
|
|
185 |
|
reset_recieve_buffer(); |
186 |
|
sprintf(global_serial_send, "at+cmgd=1,4\r"); |
187 |
|
serial_send(); |
188 |
|
while ( strstr(global_message_buffer1,"OK") == 0) ; |
189 |
} |
} |
190 |
|
|
191 |
|
|
219 |
while(TRMT==0) ; |
while(TRMT==0) ; |
220 |
DelayMs(10); |
DelayMs(10); |
221 |
} |
} |
222 |
DelayMs(250); |
DelayMs(150); |
223 |
DelayMs(250); |
global_serial_send[0] = 0; |
224 |
|
DelayMs(150); |
225 |
} |
} |
226 |
|
|
227 |
void serial_recieved(void) |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
228 |
|
// Takes the recieving data and fills it in a buffer, when we meet a '\r' we fill the data from, |
229 |
|
// global_serial_recieve_buffer, to global_message_buffer1, and sets the flag global_recieve_done. |
230 |
|
void serial_recieved(void) |
231 |
{ |
{ |
232 |
char data_byte, saved_data[LCD_LENGTH]; |
char data_byte; |
233 |
|
|
234 |
data_byte = RCREG; |
data_byte = RCREG; |
235 |
|
|
236 |
if (data_byte == '\n') |
if (data_byte == '\n') // Cant be bothered to do anyting if the byte is a '\n'. |
237 |
return; |
return; |
|
|
|
|
global_serial_recieve_buffer[global_serial_byte_counter] = data_byte; |
|
238 |
|
|
239 |
if (data_byte == '\r') |
if (global_serial_byte_counter == 0 && data_byte == '\r') // don't care about '\r', if it's the first byte we recieve. |
240 |
|
return; |
241 |
|
|
242 |
|
|
243 |
|
if ( global_serial_byte_counter < BUFFER) //Prevent buffer overrun |
244 |
|
global_serial_recieve_buffer[ global_serial_byte_counter++ ] = data_byte; // fills the data_byte into our buffer. |
245 |
|
|
246 |
|
|
247 |
|
|
248 |
|
if (data_byte == '\r') // when we meet a '\r', the transmission is done, and we fill the constxt of |
249 |
|
// global_message_buffer1 into global_message_buffer2 our main buffer into |
250 |
|
// global_message_buffer2, and the same with our recieve buffer, global_serial_recieve_buffer |
251 |
|
// into global_message_buffer1. |
252 |
{ |
{ |
253 |
global_recieve_done = 1; |
global_recieve_done = 1; // indicates the recieve transmission is done. |
254 |
//global_serial_byte_counter = 0; |
global_serial_recieve_buffer[global_serial_byte_counter] = 0; //zero terminate |
255 |
global_serial_recieve_buffer[global_serial_byte_counter+1] = 0; //zero terminate |
|
256 |
|
// global_message_buffer1 -> global_message_buffer2 |
257 |
|
strcpy(global_message_buffer2, global_message_buffer1); |
258 |
|
global_message_buffer_length2 = global_message_buffer_length1; |
259 |
|
|
260 |
|
// global_serial_recieve_buffer -> global_message_buffer1 |
261 |
|
strcpy(global_message_buffer1, global_serial_recieve_buffer); |
262 |
|
global_message_buffer_length1 = global_serial_byte_counter; |
263 |
|
|
264 |
|
|
265 |
|
global_serial_byte_counter = 0; |
266 |
} |
} |
|
else |
|
|
{ |
|
|
global_serial_byte_counter++; |
|
|
} |
|
|
|
|
267 |
} |
} |
268 |
|
|
269 |
void timer1_interrupt(void) |
void timer1_interrupt(void) |
277 |
|
|
278 |
void update_lcd(void) |
void update_lcd(void) |
279 |
{ |
{ |
280 |
lcd_clear(); |
//lcd_clear(); |
281 |
lcd_goto(0x00); |
lcd_goto(0x00); |
282 |
lcd_puts(global_temp); |
|
283 |
|
sprintf(global_lcd_buf, "Temp: %3d", global_temp); |
284 |
|
lcd_puts(global_lcd_buf); |
285 |
|
|
286 |
} |
} |
287 |
|
|
288 |
void send_update(void) |
void send_update(void) |
289 |
{ |
{ |
290 |
sprintf(global_serial_send, "at+cmgs=\"%s\"\r", cell_nr); |
char update[40]; |
291 |
|
sprintf(update, "%d:%d:%d:%d:%d:%d", global_sms_counter, global_temp, FIREDET, EMPTYTANK, FEEDING, PWRFAIL); |
292 |
|
send_sms(update); |
293 |
|
|
294 |
|
global_sms_counter++; |
295 |
|
} |
296 |
|
|
297 |
|
void send_sms(const unsigned char* payload) |
298 |
|
{ |
299 |
|
sprintf(global_serial_send, "at+cmgs=\"%s\"\r", global_cell_nr); |
300 |
serial_send(); |
serial_send(); |
301 |
sprintf(global_serial_send, "%d:%d:%d:%d:%d:%d%c", global_sms_counter, global_temp, FIREDET, EMPTYTANK, FEEDING, PWRFAIL, 0x1A); |
sprintf(global_serial_send, "%s%c", payload, 0x1A); |
|
lcd_goto(40); |
|
|
lcd_puts(global_serial_send); |
|
302 |
serial_send(); |
serial_send(); |
303 |
DelayMs(250); |
DelayMs(150); |
304 |
global_sms_counter++; |
|
305 |
} |
} |
306 |
|
|
307 |
void convertTemp() |
void convertTemp() |
311 |
if( adVal >=840 ) |
if( adVal >=840 ) |
312 |
global_temp = 100; |
global_temp = 100; |
313 |
else |
else |
314 |
global_temp = (adVal / 8.3886); |
global_temp = (unsigned char) (adVal / 8.3886); |
315 |
} |
} |
316 |
|
|
317 |
|
|
320 |
{ |
{ |
321 |
char len,i; |
char len,i; |
322 |
|
|
323 |
len = strlen(cell_nr); |
len = strlen(global_cell_nr); |
324 |
eeprom_write(0, (global_time_interval/60)); |
eeprom_write(0, (global_time_interval/60)); |
325 |
eeprom_write(1, global_sms_counter>>8); |
eeprom_write(1, global_sms_counter>>8); |
326 |
eeprom_write(2, global_sms_counter); |
eeprom_write(2, global_sms_counter); |
328 |
|
|
329 |
for (i=0; i<len; ++i) |
for (i=0; i<len; ++i) |
330 |
{ |
{ |
331 |
eeprom_write(i+4, cell_nr[i] ); |
eeprom_write(i+4, global_cell_nr[i] ); |
332 |
} |
} |
333 |
} |
} |
334 |
|
|
343 |
|
|
344 |
for (i=0; i<len; ++i) |
for (i=0; i<len; ++i) |
345 |
{ |
{ |
346 |
cell_nr[i] = eeprom_read(i+4); |
global_cell_nr[i] = eeprom_read(i+4); |
347 |
} |
} |
348 |
|
|
349 |
cell_nr[i] = 0; //zero terminated! |
global_cell_nr[i] = 0; //zero terminated! |
350 |
} |
} |
351 |
|
|
352 |
void on_initial_recieve(void) |
void on_initial_recieve(void) |
354 |
char imei[16]; |
char imei[16]; |
355 |
char* ptr; |
char* ptr; |
356 |
char i; |
char i; |
357 |
|
char buf[2]; |
358 |
|
|
359 |
if (strstr(global_serial_recieve_buffer,"+WIND: 11") != 0) |
if (strstr(global_serial_recieve_buffer,"+WIND: 11") != 0) |
360 |
{ |
{ |
364 |
ptr +=4; |
ptr +=4; |
365 |
strncpy(imei, ptr,15); |
strncpy(imei, ptr,15); |
366 |
imei[15] = 0; |
imei[15] = 0; |
|
|
|
|
global_imei_tversum = 0; |
|
|
for (i=0; i<15; ++i) |
|
|
{ |
|
|
global_imei_tversum += (imei[i] - '0'); |
|
|
} |
|
|
|
|
367 |
|
|
368 |
reset_recieve_buffer(); |
reset_recieve_buffer(); |
369 |
} |
} |
|
|
|
|
|
|
370 |
} |
} |
371 |
|
|
|
|
|
372 |
void on_recieve(void) |
void on_recieve(void) |
373 |
{ |
{ |
374 |
char tmp[17]; |
char tmp[3]; |
375 |
if (global_recieve_done == 0) |
char* ptr; |
376 |
return; |
tmp[0]=0; |
377 |
|
|
378 |
lcd_clear(); |
if (global_recieve_done == 0 || global_message_buffer_length1 == 0) |
379 |
lcd_goto(0x00); |
return; |
380 |
tmp[0] = 0; |
|
381 |
strncat(tmp,global_serial_recieve_buffer,16); |
if (strstr(global_message_buffer1,"CMTI") != 0) // here we handles a incomming SMS |
|
lcd_puts(tmp); |
|
|
if (strncmp(global_serial_recieve_buffer,"+WIND: 11", 3) == 0) |
|
382 |
{ |
{ |
383 |
global_modem_init = 1; |
ptr = strstr(global_message_buffer1,","); // finds the point just before the nr. of the SMS. |
384 |
|
strcat(tmp,ptr+1); // puts that number in tmp |
385 |
|
global_sms_recieve_number[0] = 0; // wanna be sure that we write the new number from global_sms_recieve_number[0] |
386 |
|
strcat(global_sms_recieve_number, tmp); // puts the sms number into the global variable. |
387 |
|
sms_recieved(); |
388 |
|
} |
389 |
|
reset_recieve_buffer(); |
390 |
|
} |
391 |
|
|
392 |
|
void sms_recieved(void) |
393 |
|
{ |
394 |
|
char buf[4]; |
395 |
|
char i,imei; |
396 |
|
char pos; |
397 |
|
|
398 |
|
sprintf(global_serial_send, "AT+CMGR=%s\r", global_sms_recieve_number); // formates the variable that sends commands to the SMS modem. |
399 |
|
serial_send(); // Sends the command. |
400 |
|
|
401 |
|
while(strstr(global_message_buffer1, "OK") == 0) // stays here until we recieve a "OK" from the modem. |
402 |
|
DelayMs(1); |
403 |
|
|
404 |
|
DelayUs(10); |
405 |
|
|
406 |
|
for (i=0; global_message_buffer2[i] != ':' && global_message_buffer2[i] != 0; ++i) |
407 |
|
{ |
408 |
|
buf[i] = global_message_buffer2[i]; |
409 |
} |
} |
410 |
|
|
411 |
reset_recieve_buffer(); |
buf[i] = 0; |
412 |
|
imei = atoi(buf); |
413 |
|
|
414 |
|
if (imei == global_imei_tversum) |
415 |
|
{ |
416 |
|
i++; //spring over ':' |
417 |
|
pos = 0; |
418 |
|
for ( ; global_message_buffer2[i] != ':'; ++i, ++pos) |
419 |
|
{ |
420 |
|
global_cell_nr[pos] = global_message_buffer2[i]; |
421 |
|
} |
422 |
|
global_cell_nr[pos] = 0; //zero terminator |
423 |
|
|
424 |
|
i++; //spring over ':' |
425 |
|
pos=0; |
426 |
|
for ( ; global_message_buffer2[i] ; ++i,++pos) |
427 |
|
{ |
428 |
|
buf[pos] = global_message_buffer2[i]; |
429 |
|
} |
430 |
|
buf[pos]=0; |
431 |
|
|
432 |
|
global_time_interval = atoi(buf); |
433 |
|
global_time_interval *= 60; |
434 |
|
eeprom_writer(); // writes the new cell nr. and time interval to the eeprom. |
435 |
|
send_sms("conf ok"); |
436 |
|
} |
437 |
|
|
438 |
|
|
439 |
} |
} |
440 |
|
|
441 |
|
|
442 |
|
|
443 |
void main() |
void main() |
444 |
{ |
{ |
445 |
//////////////////// |
//////////////////// |
447 |
|
|
448 |
// Running init for various components. |
// Running init for various components. |
449 |
pic18_io_init(); |
pic18_io_init(); |
450 |
|
RA5 = 1; // Indicates that the board is running inits. |
451 |
|
|
452 |
rs232_init(); |
rs232_init(); |
453 |
ad_init(); |
ad_init(); |
454 |
lcd_init(0); |
lcd_init(0); |
460 |
/////////////// |
/////////////// |
461 |
// Main loop // |
// Main loop // |
462 |
|
|
463 |
|
DelayMs(50); |
464 |
|
reset_recieve_buffer(); |
465 |
|
|
466 |
|
RA5 = 0; // Inits are done, and RA1 will now work as a error notifier. |
467 |
|
|
468 |
while(1) |
while(1) |
469 |
{ |
{ |
495 |
global_Pot_Hi = ADRESH; |
global_Pot_Hi = ADRESH; |
496 |
global_Pot_Lo = ADRESL; |
global_Pot_Lo = ADRESL; |
497 |
convertTemp(); |
convertTemp(); |
498 |
update_lcd(); |
if (global_temp != global_temp_old) |
499 |
|
{ |
500 |
|
update_lcd(); |
501 |
|
global_temp_old = global_temp; |
502 |
|
} |
503 |
GODONE = 1; |
GODONE = 1; |
504 |
} |
} |
505 |
|
// Handels the recieve sms'es. |
506 |
//if (global_recieve_done) |
on_recieve(); |
|
//{ |
|
|
on_recieve(); |
|
|
// global_recieve_done = 0; |
|
|
// global_serial_byte_counter = 0; |
|
|
//} |
|
507 |
} |
} |
508 |
} |
} |