1 |
1: #include <pic18.h> |
1: #include <pic18.h> |
2 |
2: #include <stdio.h> |
2: #include <stdio.h> |
3 |
3: #include <string.h> |
3: #include <string.h> |
4 |
4: |
4: #include "lcd.h" |
5 |
5: #include "lcd.h" |
5: #include "Delay.h" |
6 |
6: |
6: // Delay.h is included inside lcd.c |
7 |
7: void AD_init(void) |
7: |
8 |
8: { |
8: #define LCD_LENGTH 16 |
9 |
9: ADON = 1; |
9: #define LCD_ROWS 2 |
10 |
10: } |
10: #define SEND_BUFFER 128 |
11 |
11: |
11: |
12 |
12: void rs232_init(void) |
12: |
13 |
13: { |
13: unsigned char global_Pot_Hi, global_Pot_Lo; |
14 |
14: SPEN = 0; // Serial Port Enable Bit... 0 = disabled |
14: unsigned char global_LCD_Buffer[LCD_ROWS][LCD_LENGTH]; |
15 |
15: TRISC6 = 0; |
15: unsigned char global_serial_send[SEND_BUFFER]; |
16 |
16: TRISC7 = 1; |
16: unsigned char global_serial_recieve_buffer[LCD_LENGTH]; |
17 |
17: SYNC = 0; // SYNC switches between async(0) and sync(1) mode. |
17: bit global_recieve_done = 0; |
18 |
18: SPBRG = 25; |
18: int global_serial_byte_counter = 0; |
19 |
19: TXSTA = 0x24; |
19: |
20 |
20: RCSTA = 0x90; |
20: void serial_recieved(void); |
21 |
21: SPEN = 1; |
21: void serial_send(void); |
22 |
22: } |
22: void update_lcd(void); |
23 |
23: |
23: |
24 |
24: void interrupt_init(void) |
24: // Nicked from H7 |
25 |
25: { |
25: void ad_init(void) |
26 |
26: // Assumes that all interrupts default is 0 |
26: { |
27 |
27: PEIE = 1; |
27: // AD Conversion clock |
28 |
28: GIE = 1; |
28: ADCS0 = 0; |
29 |
29: RCIE = 1; |
29: ADCS1 = 0; |
30 |
30: } |
30: ADCS2 = 0; |
31 |
31: |
31: |
32 |
32: void pic18_io_init(void) |
32: //Select AN0/RA0 for AD source |
33 |
33: { |
33: // In this (000) setup, it's only RA0/AN0 that does ad convertion. |
34 |
34: TRISA0 = 1; |
34: CHS0=0; |
35 |
35: TRISB1 = 1; |
35: CHS1=0; |
36 |
36: TRISB2 = 1; |
36: CHS2=0; |
37 |
37: TRISB3 = 1; |
37: |
38 |
38: TRISB4 = 1; |
38: //Only AN0 is selected for AD and with Vdd/Vss as limits |
39 |
39: } |
39: PCFG0=0; |
40 |
40: |
40: PCFG1=1; |
41 |
41: void interrupt_recieve_handler(void) |
41: PCFG2=1; |
42 |
42: { |
42: PCFG3=1; |
43 |
43: // Handle recieve inputs... |
43: |
44 |
44: } |
44: //Result is left justified |
45 |
45: |
45: ADFM=0; |
46 |
46: void interrupt interrupt_handler(void) |
46: |
47 |
47: // Finds out what interrupt have been trigged, and starts the respective function. |
47: //Fire up for A/D converter module |
48 |
48: { |
48: ADON=1; |
49 |
49: if(RCIF == 1) |
49: } |
50 |
50: { |
50: |
51 |
51: interrupt_recieve_handler(); |
51: void rs232_init(void) |
52 |
52: RCIF = 0; |
52: { |
53 |
53: } |
53: SPEN = 0; // Serial Port Enable Bit... 0 = disabled |
54 |
54: } |
54: TRISC6 = 0; |
55 |
55: |
55: TRISC7 = 1; |
56 |
56: |
56: |
57 |
57: void main() |
57: SPBRG = 207; // 1200 baud rate... 25 = 9600 |
58 |
58: { |
58: // x = (Fosc / (16*[baud rate]) )-1 |
59 |
59: AD_init(); |
59: TXSTA = 0x24; // Enables BRGH and TXEN inthe TXSTA register |
60 |
60: rs232_init(); |
60: RCSTA = 0x90; // 0x90 enables SPEN and CREN in the RCSTA register |
61 |
61: pic18_io_init(); |
61: } |
62 |
62: |
62: |
63 |
63: if(GODONE==0) |
63: void interrupt_init(void) |
64 |
64: { |
64: { |
65 |
65: |
65: // Assumes that all interrupts default is 0 |
66 |
66: } |
66: PEIE = 1; |
67 |
67: } |
67: GIE = 1; |
68 |
|
68: RCIE = 1; // Recieve interrupt enable. |
69 |
|
69: IPEN = 0; // Nfo interrupt priority |
70 |
|
70: TXIE = 0; // Serial interrupt enabled |
71 |
|
71: } |
72 |
|
72: |
73 |
|
73: void pic18_io_init(void) |
74 |
|
74: { |
75 |
|
75: TRISA0 = 1; // analog input |
76 |
|
76: TRISB1 = 1; // TRISB1-4 Digital input |
77 |
|
77: TRISB2 = 1; |
78 |
|
78: TRISB3 = 1; |
79 |
|
79: TRISB4 = 1; |
80 |
|
80: } |
81 |
|
81: |
82 |
|
82: void sms_init(void) |
83 |
|
83: { |
84 |
|
84: int i = 1; |
85 |
|
85: sprintf(global_serial_send,"%s", "at+cpin=8043\r"); |
86 |
|
86: serial_send(); |
87 |
|
87: DelaySek(60); |
88 |
|
88: |
89 |
|
89: update_lcd(); |
90 |
|
90: DelaySek(5); |
91 |
|
91: |
92 |
|
92: sprintf(global_serial_send,"%s%s", "at+cmgs=","\"22337617\"\r"); |
93 |
|
93: serial_send(); |
94 |
|
94: DelayMs(5000); |
95 |
|
95: |
96 |
|
96: sprintf(global_serial_send,"%s%d%c","Dette er test nr: ", i, 0x1A); |
97 |
|
97: serial_send(); |
98 |
|
98: DelayMs(5000); |
99 |
|
99: i++; |
100 |
|
100: |
101 |
|
101: } |
102 |
|
102: |
103 |
|
103: void interrupt interrupt_handler(void) |
104 |
|
104: { |
105 |
|
105: // Finds out what interrupt have been trigged, and starts the respective function. |
106 |
|
106: if(RCIF == 1) // Serial recieve interrupt |
107 |
|
107: { |
108 |
|
108: serial_recieved(); |
109 |
|
109: RCIF = 0; |
110 |
|
110: } |
111 |
|
111: } |
112 |
|
112: |
113 |
|
113: |
114 |
|
114: |
115 |
|
115: void serial_send(void) |
116 |
|
116: { |
117 |
|
117: int i; |
118 |
|
118: // char tosend[3]; |
119 |
|
119: char data; |
120 |
|
120: // sprintf(tosend,"%s", "at\r"); |
121 |
|
121: for(i = 0; i < SEND_BUFFER; i++) |
122 |
|
122: { |
123 |
|
123: data = global_serial_send[i]; |
124 |
|
124: if( data == '\r') |
125 |
|
125: i = (SEND_BUFFER - 1); |
126 |
|
126: TXREG = data; |
127 |
|
127: while(TRMT==0) ; |
128 |
|
128: DelayMs(1000); |
129 |
|
129: } |
130 |
|
130: } |
131 |
|
131: |
132 |
|
132: void serial_recieved(void) |
133 |
|
133: { |
134 |
|
134: char data, saved_data[LCD_LENGTH]; |
135 |
|
135: |
136 |
|
136: data = RCREG; |
137 |
|
137: |
138 |
|
138: global_serial_recieve_buffer[global_serial_byte_counter] = data; |
139 |
|
139: if(data == '\r') |
140 |
|
140: { |
141 |
|
141: global_recieve_done = 1; |
142 |
|
142: global_serial_byte_counter = 0; |
143 |
|
143: } |
144 |
|
144: else |
145 |
|
145: { |
146 |
|
146: global_serial_byte_counter++; |
147 |
|
147: } |
148 |
|
148: |
149 |
|
149: } |
150 |
|
150: void update_lcd(void) |
151 |
|
151: { |
152 |
|
152: if( global_recieve_done == 1 ) |
153 |
|
153: { |
154 |
|
154: lcd_clear(); |
155 |
|
155: lcd_goto(0x00); |
156 |
|
156: lcd_puts(global_serial_recieve_buffer); |
157 |
|
157: global_recieve_done = 0; |
158 |
|
158: } |
159 |
|
159: } |
160 |
|
160: |
161 |
|
161: void main() |
162 |
|
162: { |
163 |
|
163: ///////////////////////////////////////////// |
164 |
|
164: // Running Init's |
165 |
|
165: |
166 |
|
166: // Running init for various components. |
167 |
|
167: //AD_init(); |
168 |
|
168: ad_init(); |
169 |
|
169: rs232_init(); |
170 |
|
170: pic18_io_init(); |
171 |
|
171: lcd_init(0); |
172 |
|
172: lcd_clear(); |
173 |
|
173: interrupt_init(); |
174 |
|
174: sms_init(); |
175 |
|
175: ///////////////////////////////////////////// |
176 |
|
176: // Main loop |
177 |
|
177: |
178 |
|
178: while(1) |
179 |
|
179: { |
180 |
|
180: // Checking if A/D convertion is done, and save the data in global_Pot_?? |
181 |
|
181: if(GODONE==0) |
182 |
|
182: { |
183 |
|
183: global_Pot_Hi = ADRESH; |
184 |
|
184: global_Pot_Lo = ADRESL; |
185 |
|
185: GODONE = 1; |
186 |
|
186: } |
187 |
|
187: update_lcd(); |
188 |
|
188: } |
189 |
|
189: } |