Rev 1303 Rev 1304
1 /**** IR Mrakomer 4 ****/ 1 /**** IR Mrakomer 4 ****/
2 #define VERSION "4.0" 2 #define VERSION "4.0"
3 #define ID "$Id: irmrak4.c 1303 2009-01-17 09:06:15Z kakl $" 3 #define ID "$Id: irmrak4.c 1304 2009-01-17 09:15:46Z kakl $"
4   4  
5 #include "irmrak4.h" 5 #include "irmrak4.h"
6   6  
7 #bit CREN = 0x18.4 // USART registers 7 #bit CREN = 0x18.4 // USART registers
8 #bit SPEN = 0x18.7 8 #bit SPEN = 0x18.7
9 #bit OERR = 0x18.1 9 #bit OERR = 0x18.1
10 #bit FERR = 0x18.2 10 #bit FERR = 0x18.2
11   11  
12 #include <string.h> 12 #include <string.h>
13   13  
14 #CASE // Case sensitive compiler 14 #CASE // Case sensitive compiler
15   15  
16 #define MAXHEAT 20 // Number of cycles for heating 16 #define MAXHEAT 20 // Number of cycles for heating
17 #define MAXOPEN 20 // Number of cycles for dome open 17 #define MAXOPEN 20 // Number of cycles for dome open
18 #define MEASURE_DELAY 6000 // Delay to a next measurement 18 #define MEASURE_DELAY 6000 // Delay to a next measurement
19 #define RESPONSE_DELAY 100 // Reaction time after receiving a command 19 #define RESPONSE_DELAY 100 // Reaction time after receiving a command
20 #define SAFETY_COUNT 90 // Time of one emergency cycle 20 #define SAFETY_COUNT 90 // Time of one emergency cycle
21 #define SEND_DELAY 50 // Time between two characters on RS232 21 #define SEND_DELAY 50 // Time between two characters on RS232
22   22  
23 #define DOME PIN_B4 // Dome controll port 23 #define DOME PIN_B4 // Dome controll port
24 #define HEATING PIN_B3 // Heating for defrosting 24 #define HEATING PIN_B3 // Heating for defrosting
25   25  
26   26  
27 char VER[4]=VERSION; // Buffer for concatenate of a version string 27 char VER[4]=VERSION; // Buffer for concatenate of a version string
28   28  
29 int8 heat; // Status variables 29 int8 heat; // Status variables
30 int8 open; 30 int8 open;
31   31  
32 inline void toggle_dome(void) // Wire exercise 32 inline void toggle_dome(void) // Wire exercise
33 { 33 {
34 if (open>0) 34 if (open>0)
35 {output_toggle(DOME);} // Toggle = Open Dome 35 {output_toggle(DOME);} // Toggle = Open Dome
36 else 36 else
37 {output_high(DOME);} // Do not toggle = Close Dome 37 {output_high(DOME);} // Do not toggle = Close Dome
38 } 38 }
39   39  
40 void delay(int16 cycles) // Wire exercise with delay 40 void delay(int16 cycles) // Wire exercise with delay
41 { 41 {
42 int16 i; 42 int16 i;
43   43  
44 for(i=0; i<cycles; i++) {toggle_dome(); delay_us(100);} 44 for(i=0; i<cycles; i++) {toggle_dome(); delay_us(100);}
45 } 45 }
46   46  
47 void welcome(void) // Welcome message 47 void welcome(void) // Welcome message
48 { 48 {
49 char REV[50]=ID; // Buffer for concatenate of a version string 49 char REV[50]=ID; // Buffer for concatenate of a version string
50   50  
51 if (REV[strlen(REV)-1]=='$') REV[strlen(REV)-1]=0; 51 if (REV[strlen(REV)-1]=='$') REV[strlen(REV)-1]=0;
52 printf("\n\r# Mrakomer %s (C) 2007 KAKL\n\r",VER); // Welcome message 52 printf("\n\r\n\r# Mrakomer %s (C) 2007 KAKL\n\r",VER); // Welcome message
53 printf("#%s\n\r",&REV[4]); 53 printf("#%s\n\r",&REV[4]);
-   54 printf("#\n\r");
54 printf("# h - Switch on heating for 20s.\n\r"); 55 printf("# h - Switch On Heating for 20s.\n\r");
55 printf("# c - Need Colder. Switch off heating.\n\r"); 56 printf("# c - Need Colder. Switch Off Heating.\n\r");
56 printf("# o - Open the Dome for 20s.\n\r"); 57 printf("# o - Open the Dome for 20s.\n\r");
57 printf("# l - Lock the dome.\n\r"); 58 printf("# l - Lock the dome.\n\r");
58 printf("# x - Open the Dome and switch on heating.\n\r"); 59 printf("# x - Open the Dome and switch On Heating.\n\r");
59 printf("# i - Print this Information.\n\r"); 60 printf("# i - Print this Information.\n\r");
60 printf("# r - Repeat measure every second.\n\r"); 61 printf("# r - Repeat measure every second.\n\r");
61 printf("# s - Single measure mode on demand.\n\r"); 62 printf("# s - Single measure mode on demand.\n\r");
62 printf("# u - Update firmware. Go to the Boot Loader.\n\r"); 63 printf("# u - Update firmware. Go to the Boot Loader.\n\r");
63 printf("#\n\r"); 64 printf("#\n\r");
64 printf("# <sequence> <ambient[1/100 C]> <sky[1/100 C]> "); 65 printf("# <sequence> <ambient[1/100 C]> <sky[1/100 C]> ");
65 printf("<heating[s]> <dome[s]> <check>\n\r\n\r"); 66 printf("<heating[s]> <dome[s]> <check>\n\r\n\r");
66 //---WDT 67 //---WDT
67 restart_wdt(); 68 restart_wdt();
68 } 69 }
69   70  
70   71  
71 #include "smb.c" // System Management Bus driver 72 #include "smb.c" // System Management Bus driver
72   73  
73   74  
74 // Read sensor's RAM 75 // Read sensor's RAM
75 // Returns temperature in °K 76 // Returns temperature in °K
76 int16 ReadTemp(int8 addr, int8 select) 77 int16 ReadTemp(int8 addr, int8 select)
77 { 78 {
78 unsigned char arr[6]; // Buffer for the sent bytes 79 unsigned char arr[6]; // Buffer for the sent bytes
79 int8 crc; // Readed CRC 80 int8 crc; // Readed CRC
80 int16 temp; // Readed temperature 81 int16 temp; // Readed temperature
81   82  
82 addr<<=1; 83 addr<<=1;
83   84  
84 SMB_STOP_bit(); //If slave send NACK stop comunication 85 SMB_STOP_bit(); //If slave send NACK stop comunication
85 SMB_START_bit(); //Start condition 86 SMB_START_bit(); //Start condition
86 SMB_TX_byte(addr); 87 SMB_TX_byte(addr);
87 SMB_TX_byte(RAM_Access|select); 88 SMB_TX_byte(RAM_Access|select);
88 SMB_START_bit(); //Repeated Start condition 89 SMB_START_bit(); //Repeated Start condition
89 SMB_TX_byte(addr); 90 SMB_TX_byte(addr);
90 arr[2]=SMB_RX_byte(ACK); //Read low data,master must send ACK 91 arr[2]=SMB_RX_byte(ACK); //Read low data,master must send ACK
91 arr[1]=SMB_RX_byte(ACK); //Read high data,master must send ACK 92 arr[1]=SMB_RX_byte(ACK); //Read high data,master must send ACK
92 temp=make16(arr[1],arr[2]); 93 temp=make16(arr[1],arr[2]);
93 crc=SMB_RX_byte(NACK); //Read PEC byte, master must send NACK 94 crc=SMB_RX_byte(NACK); //Read PEC byte, master must send NACK
94 SMB_STOP_bit(); //Stop condition 95 SMB_STOP_bit(); //Stop condition
95   96  
96 arr[5]=addr; 97 arr[5]=addr;
97 arr[4]=RAM_Access|select; 98 arr[4]=RAM_Access|select;
98 arr[3]=addr; 99 arr[3]=addr;
99 arr[0]=0; 100 arr[0]=0;
100 if (crc != PEC_calculation(arr)) temp=0; // Calculate and check CRC 101 if (crc != PEC_calculation(arr)) temp=0; // Calculate and check CRC
101   102  
102 return temp; 103 return temp;
103 } 104 }
104   105  
105   106  
106 /*-------------------------------- MAIN --------------------------------------*/ 107 /*-------------------------------- MAIN --------------------------------------*/
107 void main() 108 void main()
108 { 109 {
109 unsigned int16 seq, temp, tempa; 110 unsigned int16 seq, temp, tempa;
110 signed int16 ta, to; 111 signed int16 ta, to;
111 int8 safety_counter; 112 int8 safety_counter;
112 int1 repeat; 113 int1 repeat;
113   114  
114 output_high(DOME); // Close Dome 115 output_high(DOME); // Close Dome
115 output_low(HEATING); // Heating off 116 output_low(HEATING); // Heating off
116   117  
117 delay_ms(1000); 118 delay_ms(1000);
118 restart_wdt(); 119 restart_wdt();
119   120  
120 seq=0; // Variables initiation 121 seq=0; // Variables initiation
121 heat=0; 122 heat=0;
122 open=0; 123 open=0;
123 repeat=TRUE; 124 repeat=TRUE;
124   125  
125 welcome(); 126 welcome();
126   127  
127 tempa=ReadTemp(SA, RAM_Tamb); // Dummy read 128 tempa=ReadTemp(SA, RAM_Tamb); // Dummy read
128 temp=ReadTemp(SA, RAM_Tobj1); 129 temp=ReadTemp(SA, RAM_Tobj1);
129   130  
130 delay_ms(1000); 131 delay_ms(1000);
131 //---WDT 132 //---WDT
132 restart_wdt(); 133 restart_wdt();
133   134  
134 while(TRUE) // Main Loop 135 while(TRUE) // Main Loop
135 { 136 {
136 safety_counter=SAFETY_COUNT; // Heating and Dome Count Down 137 safety_counter=SAFETY_COUNT; // Heating and Dome Count Down
137 do 138 do
138 { 139 {
139 if (safety_counter<SAFETY_COUNT) safety_counter++; 140 if (safety_counter<SAFETY_COUNT) safety_counter++;
140   141  
141 delay(RESPONSE_DELAY); 142 delay(RESPONSE_DELAY);
142   143  
143 if (safety_counter>=SAFETY_COUNT) 144 if (safety_counter>=SAFETY_COUNT)
144 { 145 {
145 if (heat>0) heat--; 146 if (heat>0) heat--;
146 if (open>0) open--; 147 if (open>0) open--;
147   148  
148 if (heat>0) { output_high(HEATING); } else { output_low(HEATING); } 149 if (heat>0) { output_high(HEATING); } else { output_low(HEATING); }
149   150  
150 safety_counter=0; 151 safety_counter=0;
151 //---WDT 152 //---WDT
152 restart_wdt(); 153 restart_wdt();
153 } 154 }
154 } while (!kbhit()&&!repeat); 155 } while (!kbhit()&&!repeat);
155   156  
156 //---WDT 157 //---WDT
157 restart_wdt(); 158 restart_wdt();
158 { // Retrieve command 159 { // Retrieve command
159 char ch='k'; 160 char ch='k';
160   161  
161 if(kbhit()) ch=getc(); 162 if(kbhit()) ch=getc();
162   163  
163 switch (ch) 164 switch (ch)
164 { 165 {
165 case 'h': 166 case 'h':
166 heat=MAXHEAT; // Need heating 167 heat=MAXHEAT; // Need heating
167 break; 168 break;
168   169  
169 case 'c': 170 case 'c':
170 heat=0; // Need colder 171 heat=0; // Need colder
171 break; 172 break;
172   173  
173 case 'o': 174 case 'o':
174 open=MAXOPEN; // Open the dome 175 open=MAXOPEN; // Open the dome
175 break; 176 break;
176   177  
177 case 'x': 178 case 'x':
178 open=MAXOPEN; // Open the dome 179 open=MAXOPEN; // Open the dome
179 heat=MAXHEAT; // Need heating 180 heat=MAXHEAT; // Need heating
180 break; 181 break;
181   182  
182 case 'l': 183 case 'l':
183 open=0; // Lock the dome 184 open=0; // Lock the dome
184 break; 185 break;
185   186  
186 case 'i': 187 case 'i':
187 if (open==0) welcome(); // Information about version, etc... 188 if (open==0) welcome(); // Information about version, etc...
188 break; // Only when dome is closed 189 break; // Only when dome is closed
189   190  
190 case 'r': 191 case 'r':
191 repeat=TRUE; // Repeated measure mode 192 repeat=TRUE; // Repeated measure mode
192 break; 193 break;
193   194  
194 case 's': 195 case 's':
195 repeat=FALSE; // Single measure mode 196 repeat=FALSE; // Single measure mode
196 break; 197 break;
197   198  
198 case 'u': 199 case 'u':
199 reset_cpu(); // Update firmware 200 reset_cpu(); // Update firmware
200 } 201 }
201 } 202 }
202 // while(kbhit()) getc(); // Flush USART buffer 203 // while(kbhit()) getc(); // Flush USART buffer
203 CREN=0; CREN=1; // Reinitialise USART 204 CREN=0; CREN=1; // Reinitialise USART
204   205  
205 seq++; // Increment the number of measurement 206 seq++; // Increment the number of measurement
206   207  
207 tempa=ReadTemp(SA, RAM_Tamb); // Read temperatures from sensor 208 tempa=ReadTemp(SA, RAM_Tamb); // Read temperatures from sensor
208 temp=ReadTemp(SA, RAM_Tobj1); 209 temp=ReadTemp(SA, RAM_Tobj1);
209   210  
210 ta=tempa*2-27315; // °K -> °C 211 ta=tempa*2-27315; // °K -> °C
211 to=temp*2-27315; 212 to=temp*2-27315;
212   213  
213 { // printf 214 { // printf
214 char output[8]; // Output buffer 215 char output[8]; // Output buffer
215 int8 j; // String pointer 216 int8 j; // String pointer
216 int8 check=0; // Checksum is calculated between '$' and '*' 217 int8 check=0; // Checksum is calculated between '$' and '*'
217   218  
218 delay(SEND_DELAY); 219 delay(SEND_DELAY);
219 putc('$'); 220 putc('$');
220 delay(SEND_DELAY); 221 delay(SEND_DELAY);
221 sprintf(output,"M%s ",VER); 222 sprintf(output,"M%s ",VER);
222 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; } 223 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; }
223 sprintf(output,"%Lu ", seq); 224 sprintf(output,"%Lu ", seq);
224 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; } 225 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; }
225 sprintf(output,"%Ld ", ta); 226 sprintf(output,"%Ld ", ta);
226 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; } 227 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; }
227 sprintf(output,"%Ld ", to); 228 sprintf(output,"%Ld ", to);
228 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; } 229 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; }
229 sprintf(output,"%u ", heat); 230 sprintf(output,"%u ", heat);
230 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; } 231 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; }
231 sprintf(output,"%u ", open); 232 sprintf(output,"%u ", open);
232 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; } 233 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j]); check^=output[j++]; }
233 sprintf(output,"*%X\n\r\0", check); 234 sprintf(output,"*%X\n\r\0", check);
234 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 235 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
235 delay(SEND_DELAY); 236 delay(SEND_DELAY);
236 } 237 }
237   238  
238 delay(MEASURE_DELAY); // Delay to a next measurement 239 delay(MEASURE_DELAY); // Delay to a next measurement
239 //---WDT 240 //---WDT
240 restart_wdt(); 241 restart_wdt();
241 } 242 }
242 } 243 }
243   244  
244   245  
245 #include "dbloader.c" // Space reservation for the BootLoader 246 #include "dbloader.c" // Space reservation for the BootLoader