Rev 1291 Rev 1292
1 /**** IR Mrakomer 4 ****/ 1 /**** IR Mrakomer 4 ****/
2 #define VERSION "4.0" 2 #define VERSION "4.0"
3 #define ID "$Id: irmrak4.c 1291 2009-01-08 19:49:19Z kakl $" 3 #define ID "$Id: irmrak4.c 1292 2009-01-08 19:51:56Z kakl $"
4 #include "irmrak4.h" 4 #include "irmrak4.h"
5   5  
6 #CASE // Case sensitive compiler 6 #CASE // Case sensitive compiler
7   7  
8 #define MAXHEAT 20 // Number of cycles for heating 8 #define MAXHEAT 20 // Number of cycles for heating
9 #define MAXOPEN 20 // Number of cycles for dome open 9 #define MAXOPEN 20 // Number of cycles for dome open
10 #define MEASURE_DELAY 6000 // Delay to a next measurement 10 #define MEASURE_DELAY 6000 // Delay to a next measurement
11 #define RESPONSE_DELAY 100 // Reaction time after receiving a command 11 #define RESPONSE_DELAY 100 // Reaction time after receiving a command
12 #define SAFETY_COUNT 90 // Time of one emergency cycle 12 #define SAFETY_COUNT 90 // Time of one emergency cycle
13 #define SEND_DELAY 50 // Time between two characters on RS232 13 #define SEND_DELAY 50 // Time between two characters on RS232
14   14  
15 #define DOME PIN_B4 // Dome controll port 15 #define DOME PIN_B4 // Dome controll port
16 #define HEATING PIN_B3 // Heating for defrosting 16 #define HEATING PIN_B3 // Heating for defrosting
17   17  
18 #bit CREN = 0x18.4 // USART registers 18 #bit CREN = 0x18.4 // USART registers
19 #bit SPEN = 0x18.7 19 #bit SPEN = 0x18.7
20 #bit OERR = 0x18.1 20 #bit OERR = 0x18.1
21 #bit FERR = 0x18.2 21 #bit FERR = 0x18.2
22   22  
23 char VER[4]=VERSION; // Buffer for concatenate of a version string 23 char VER[4]=VERSION; // Buffer for concatenate of a version string
24 char REV[50]=ID; 24 char REV[50]=ID;
25   25  
26 int8 heat; // Status variables 26 int8 heat; // Status variables
27 int8 open; 27 int8 open;
28   28  
29 inline void toggle_dome(void) // Wire exercise 29 inline void toggle_dome(void) // Wire exercise
30 { 30 {
31 if (open>0) 31 if (open>0)
32 {output_toggle(DOME);} // Toggle = Open Dome 32 {output_toggle(DOME);} // Toggle = Open Dome
33 else 33 else
34 {output_high(DOME);} // Do not toggle = Close Dome 34 {output_high(DOME);} // Do not toggle = Close Dome
35 } 35 }
36   36  
37 void delay(int16 cycles) // Wire exercise with delay 37 void delay(int16 cycles) // Wire exercise with delay
38 { 38 {
39 int16 i; 39 int16 i;
40   40  
41 for(i=0; i<cycles; i++) {toggle_dome(); delay_us(100);} 41 for(i=0; i<cycles; i++) {toggle_dome(); delay_us(100);}
42 } 42 }
43   43  
44 void welcome(void) // Welcome message 44 void welcome(void) // Welcome message
45 { 45 {
46 printf("\n\r* Mrakomer %s (C) 2007 KAKL *\n\r",VER); // Welcome message 46 printf("\n\r* Mrakomer %s (C) 2007 KAKL *\n\r",VER); // Welcome message
47 printf("* %s *\n\r",REV); 47 printf("* %s *\n\r",REV);
48 printf("<#sequence> <ambient [1/100 C]> <sky [1/100 C]> "); 48 printf("<#sequence> <ambient [1/100 C]> <sky [1/100 C]> ");
49 printf("<heating [s]> <dome [s]>\n\r\n\r"); 49 printf("<heating [s]> <dome [s]>\n\r\n\r");
50 } 50 }
51   51  
52   52  
53 #include "smb.c" // System Management Bus driver 53 #include "smb.c" // System Management Bus driver
54   54  
55   55  
56 // Read sensor RAM 56 // Read sensor RAM
57 // Returns temperature in °K 57 // Returns temperature in °K
58 int16 ReadTemp(int8 addr, int8 select) 58 int16 ReadTemp(int8 addr, int8 select)
59 { 59 {
60 unsigned char arr[6]; // Buffer for the sent bytes 60 unsigned char arr[6]; // Buffer for the sent bytes
61 int8 crc; // Readed CRC 61 int8 crc; // Readed CRC
62 int16 temp; // Readed temperature 62 int16 temp; // Readed temperature
63   63  
64 addr<<=1; 64 addr<<=1;
65   65  
66 SMB_STOP_bit(); //If slave send NACK stop comunication 66 SMB_STOP_bit(); //If slave send NACK stop comunication
67 SMB_START_bit(); //Start condition 67 SMB_START_bit(); //Start condition
68 SMB_TX_byte(addr); 68 SMB_TX_byte(addr);
69 SMB_TX_byte(RAM_Access|select); 69 SMB_TX_byte(RAM_Access|select);
70 SMB_START_bit(); //Repeated Start condition 70 SMB_START_bit(); //Repeated Start condition
71 SMB_TX_byte(addr); 71 SMB_TX_byte(addr);
72 arr[2]=SMB_RX_byte(ACK); //Read low data,master must send ACK 72 arr[2]=SMB_RX_byte(ACK); //Read low data,master must send ACK
73 arr[1]=SMB_RX_byte(ACK); //Read high data,master must send ACK 73 arr[1]=SMB_RX_byte(ACK); //Read high data,master must send ACK
74 temp=make16(arr[1],arr[2]); 74 temp=make16(arr[1],arr[2]);
75 crc=SMB_RX_byte(NACK); //Read PEC byte, master must send NACK 75 crc=SMB_RX_byte(NACK); //Read PEC byte, master must send NACK
76 SMB_STOP_bit(); //Stop condition 76 SMB_STOP_bit(); //Stop condition
77   77  
78 arr[5]=addr; 78 arr[5]=addr;
79 arr[4]=RAM_Access|select; 79 arr[4]=RAM_Access|select;
80 arr[3]=addr; 80 arr[3]=addr;
81 arr[0]=0; 81 arr[0]=0;
82 if (crc != PEC_calculation(arr)) temp=0; // Calculate and check CRC 82 if (crc != PEC_calculation(arr)) temp=0; // Calculate and check CRC
83   83  
84 return temp; 84 return temp;
85 } 85 }
86   86  
87 /*-----------------------------------------------------------------------*/ 87 /*-----------------------------------------------------------------------*/
88 void main() 88 void main()
89 { 89 {
90 unsigned int16 seq, temp, tempa; 90 unsigned int16 seq, temp, tempa;
91 signed int16 ta, to; 91 signed int16 ta, to;
92 int8 safety_counter; 92 int8 safety_counter;
93 int1 repeat; 93 int1 repeat;
94   94  
95 output_high(DOME); // Close Dome 95 output_high(DOME); // Close Dome
96 output_low(HEATING); // Heating off 96 output_low(HEATING); // Heating off
97 setup_wdt(WDT_2304MS); // Setup Watch Dog 97 setup_wdt(WDT_2304MS); // Setup Watch Dog
98 setup_adc_ports(NO_ANALOGS); 98 setup_adc_ports(NO_ANALOGS);
99 setup_adc(ADC_OFF); 99 setup_adc(ADC_OFF);
100 setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); 100 setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
101 setup_timer_1(T1_DISABLED); 101 setup_timer_1(T1_DISABLED);
102 setup_timer_2(T2_DISABLED,0,1); 102 setup_timer_2(T2_DISABLED,0,1);
103 setup_comparator(NC_NC_NC_NC); 103 setup_comparator(NC_NC_NC_NC);
104 setup_vref(FALSE); 104 setup_vref(FALSE);
105 // setup_oscillator(OSC_4MHZ|OSC_INTRC,+2); // Pokud je nutna kalibrace RCosc 105 // setup_oscillator(OSC_4MHZ|OSC_INTRC,+2); // Pokud je nutna kalibrace RCosc
106 setup_oscillator(OSC_8MHZ|OSC_INTRC); 106 setup_oscillator(OSC_8MHZ|OSC_INTRC);
107   107  
108 delay_ms(1000); 108 delay_ms(1000);
109 restart_wdt(); 109 restart_wdt();
110   110  
111 seq=0; // Variables initiation 111 seq=0; // Variables initiation
112 heat=0; 112 heat=0;
113 open=0; 113 open=0;
114 repeat=TRUE; 114 repeat=TRUE;
115   115  
116 welcome(); 116 welcome();
117   117  
118 tempa=ReadTemp(SA, RAM_Tamb); // Dummy read 118 tempa=ReadTemp(SA, RAM_Tamb); // Dummy read
119 temp=ReadTemp(SA, RAM_Tobj1); 119 temp=ReadTemp(SA, RAM_Tobj1);
120   120  
121 delay_ms(1000); 121 delay_ms(1000);
122 //---WDT 122 //---WDT
123 restart_wdt(); 123 restart_wdt();
124   124  
125 while(TRUE) // Main Loop 125 while(TRUE) // Main Loop
126 { 126 {
127 safety_counter=SAFETY_COUNT; // Heating and Dome Count Down 127 safety_counter=SAFETY_COUNT; // Heating and Dome Count Down
128 do 128 do
129 { 129 {
130 if (safety_counter<SAFETY_COUNT) safety_counter++; 130 if (safety_counter<SAFETY_COUNT) safety_counter++;
131   131  
132 delay(RESPONSE_DELAY); 132 delay(RESPONSE_DELAY);
133   133  
134 if (safety_counter>=SAFETY_COUNT) 134 if (safety_counter>=SAFETY_COUNT)
135 { 135 {
136 if (heat>0) heat--; 136 if (heat>0) heat--;
137 if (open>0) open--; 137 if (open>0) open--;
138   138  
139 if (heat>0) { output_high(HEATING); } else { output_low(HEATING); } 139 if (heat>0) { output_high(HEATING); } else { output_low(HEATING); }
140   140  
141 safety_counter=0; 141 safety_counter=0;
142 //---WDT 142 //---WDT
143 restart_wdt(); 143 restart_wdt();
144 } 144 }
145 } while (!kbhit()&&!repeat); 145 } while (!kbhit()&&!repeat);
146   146  
147 //---WDT 147 //---WDT
148 restart_wdt(); 148 restart_wdt();
149 { // Retrieve command 149 { // Retrieve command
150 char ch='k'; 150 char ch='k';
151   151  
152 if(kbhit()) ch=getc(); 152 if(kbhit()) ch=getc();
153   153  
154 switch (ch) 154 switch (ch)
155 { 155 {
156 case 'h': 156 case 'h':
157 heat=MAXHEAT; // Need heating 157 heat=MAXHEAT; // Need heating
158 break; 158 break;
159   159  
160 case 'c': 160 case 'c':
161 heat=0; // Need colder 161 heat=0; // Need colder
162 break; 162 break;
163   163  
164 case 'o': 164 case 'o':
165 open=MAXOPEN; // Open the dome 165 open=MAXOPEN; // Open the dome
166 break; 166 break;
167   167  
168 case 'x': 168 case 'x':
169 open=MAXOPEN; // Open the dome 169 open=MAXOPEN; // Open the dome
170 heat=MAXHEAT; // Need heating 170 heat=MAXHEAT; // Need heating
171 break; 171 break;
172   172  
173 case 'l': 173 case 'l':
174 open=0; // Lock the dome 174 open=0; // Lock the dome
175 break; 175 break;
176   176  
177 case 'i': 177 case 'i':
178 if (open==0) welcome(); // Information about version, etc... 178 if (open==0) welcome(); // Information about version, etc...
179 break; // Only when dome is closed 179 break; // Only when dome is closed
180   180  
181 case 'r': 181 case 'r':
182 repeat=TRUE; // Repeate measure mode 182 repeat=TRUE; // Repeated measure mode
183 break; 183 break;
184   184  
185 case 's': 185 case 's':
186 repeat=FALSE; // Single measure mode 186 repeat=FALSE; // Single measure mode
187 break; 187 break;
188 } 188 }
189 } 189 }
190 // while(kbhit()) getc(); // Flush USART buffer 190 // while(kbhit()) getc(); // Flush USART buffer
191 CREN=0; CREN=1; // Reinitialise USART 191 CREN=0; CREN=1; // Reinitialise USART
192   192  
193 seq++; // Increment the number of measurement 193 seq++; // Increment the number of measurement
194   194  
195 tempa=ReadTemp(SA, RAM_Tamb); // Read temperatures from sensor 195 tempa=ReadTemp(SA, RAM_Tamb); // Read temperatures from sensor
196 temp=ReadTemp(SA, RAM_Tobj1); 196 temp=ReadTemp(SA, RAM_Tobj1);
197   197  
198 ta=tempa*2-27315; // °K -> °C 198 ta=tempa*2-27315; // °K -> °C
199 to=temp*2-27315; 199 to=temp*2-27315;
200   200  
201 { // printf 201 { // printf
202 char output[8]; // Output buffer 202 char output[8]; // Output buffer
203 int8 j; // String pointer 203 int8 j; // String pointer
204   204  
205 delay(SEND_DELAY); 205 delay(SEND_DELAY);
206 sprintf(output,"#%Lu ", seq); 206 sprintf(output,"#%Lu ", seq);
207 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 207 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
208 sprintf(output,"%Ld ", ta); 208 sprintf(output,"%Ld ", ta);
209 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 209 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
210 sprintf(output,"%Ld ", to); 210 sprintf(output,"%Ld ", to);
211 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 211 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
212 sprintf(output,"%u ", heat); 212 sprintf(output,"%u ", heat);
213 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 213 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
214 sprintf(output,"%u\n\r\0", open); 214 sprintf(output,"%u\n\r\0", open);
215 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 215 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
216 } 216 }
217   217  
218 delay(MEASURE_DELAY); // Delay to a next measurement 218 delay(MEASURE_DELAY); // Delay to a next measurement
219 //---WDT 219 //---WDT
220 restart_wdt(); 220 restart_wdt();
221 } 221 }
222 } 222 }
223   223