Rev 1284 Rev 1285
1 /**** IR Mrakomer 4 ****/ 1 /**** IR Mrakomer 4 ****/
2 #define VERSION "4.0" 2 #define VERSION "4.0"
3 #define ID "$Id: irmrak4.c 1284 2009-01-07 21:05:29Z kakl $" 3 #define ID "$Id: irmrak4.c 1285 2009-01-08 00:31:13Z kakl $"
4 #include "irmrak4.h" 4 #include "irmrak4.h"
5   5  
6 #define MAXHEAT 20 // Number of cycles for heating 6 #define MAXHEAT 20 // Number of cycles for heating
7 #define MAXOPEN 20 // Number of cycles for dome open 7 #define MAXOPEN 20 // Number of cycles for dome open
8 #define MEASURE_DELAY 10000 // Delay to a next measurement 8 #define MEASURE_DELAY 10000 // Delay to a next measurement
9 #define RESPONSE_DELAY 100 // Reaction time after receiving a command 9 #define RESPONSE_DELAY 100 // Reaction time after receiving a command
10 #define SAFETY_COUNT 100 // Time of one emergency cycle 10 #define SAFETY_COUNT 100 // Time of one emergency cycle
11 #define SEND_DELAY 50 // Time between two characters on RS232 11 #define SEND_DELAY 50 // Time between two characters on RS232
12   12  
13 #define DOME PIN_B4 // Dome controll port 13 #define DOME PIN_B4 // Dome controll port
14 #define HEATING PIN_B3 // Heating for defrosting 14 #define HEATING PIN_B3 // Heating for defrosting
15   15  
16 #bit CREN = 0x18.4 // USART registers 16 #bit CREN = 0x18.4 // USART registers
17 #bit SPEN = 0x18.7 17 #bit SPEN = 0x18.7
18 #bit OERR = 0x18.1 18 #bit OERR = 0x18.1
19 #bit FERR = 0x18.2 19 #bit FERR = 0x18.2
20   20  
21 char VER[4]=VERSION; // Buffer for concatenate of a version string 21 char VER[4]=VERSION; // Buffer for concatenate of a version string
22 char REV[50]=ID; 22 char REV[50]=ID;
23   23  
24 int8 heat; // Status variables 24 int8 heat; // Status variables
25 int8 open; 25 int8 open;
26   26  
27 inline void toggle_dome(void) // Wire exercise 27 inline void toggle_dome(void) // Wire exercise
28 { 28 {
29 if (open>0) 29 if (open>0)
30 {output_toggle(DOME);} 30 {output_toggle(DOME);} // Toggle = Open Dome
31 else 31 else
32 {output_low(DOME);} 32 {output_high(DOME);} // Do not toggle = Close Dome
33 } 33 }
34   34  
35 void delay(int16 cycles) // Wire exercise with delay 35 void delay(int16 cycles) // Wire exercise with delay
36 { 36 {
37 int16 i; 37 int16 i;
38   38  
39 for(i=0; i<cycles; i++) {toggle_dome(); delay_us(100);} 39 for(i=0; i<cycles; i++) {toggle_dome(); delay_us(100);}
40 } 40 }
41   41  
42 void welcome(void) // Welcome message 42 void welcome(void) // Welcome message
43 { 43 {
44 printf("\n\r* Mrakomer %s (C) 2007 KAKL *\n\r",VER); // Welcome message 44 printf("\n\r* Mrakomer %s (C) 2007 KAKL *\n\r",VER); // Welcome message
45 printf("* %s *\n\r",REV); 45 printf("* %s *\n\r",REV);
46 printf("<#sequence> <ambient [1/100 C]> <sky [1/100 C]> "); 46 printf("<#sequence> <ambient [1/100 C]> <sky [1/100 C]> ");
47 printf("<heating [s]> <dome [s]>\n\r\n\r"); 47 printf("<heating [s]> <dome [s]>\n\r\n\r");
48 } 48 }
49   49  
50   50  
51 #include "smb.c" // System Management Bus driver 51 #include "smb.c" // System Management Bus driver
52   52  
53   53  
54 // Read sensor RAM 54 // Read sensor RAM
55 // Returns temperature in °K 55 // Returns temperature in °K
56 int16 ReadTemp(int8 addr, int8 select) 56 int16 ReadTemp(int8 addr, int8 select)
57 { 57 {
58 unsigned char arr[6]; // Buffer for the sent bytes 58 unsigned char arr[6]; // Buffer for the sent bytes
59 int8 crc; // Readed CRC 59 int8 crc; // Readed CRC
60 int16 temp; // Readed temperature 60 int16 temp; // Readed temperature
61   61  
62 addr<<=1; 62 addr<<=1;
63   63  
64 SMB_STOP_bit(); //If slave send NACK stop comunication 64 SMB_STOP_bit(); //If slave send NACK stop comunication
65 SMB_START_bit(); //Start condition 65 SMB_START_bit(); //Start condition
66 SMB_TX_byte(addr); 66 SMB_TX_byte(addr);
67 SMB_TX_byte(RAM_Access|select); 67 SMB_TX_byte(RAM_Access|select);
68 SMB_START_bit(); //Repeated Start condition 68 SMB_START_bit(); //Repeated Start condition
69 SMB_TX_byte(addr); 69 SMB_TX_byte(addr);
70 arr[2]=SMB_RX_byte(ACK); //Read low data,master must send ACK 70 arr[2]=SMB_RX_byte(ACK); //Read low data,master must send ACK
71 arr[1]=SMB_RX_byte(ACK); //Read high data,master must send ACK 71 arr[1]=SMB_RX_byte(ACK); //Read high data,master must send ACK
72 temp=MAKE16(arr[1],arr[2]); 72 temp=MAKE16(arr[1],arr[2]);
73 crc=SMB_RX_byte(NACK); //Read PEC byte, master must send NACK 73 crc=SMB_RX_byte(NACK); //Read PEC byte, master must send NACK
74 SMB_STOP_bit(); //Stop condition 74 SMB_STOP_bit(); //Stop condition
75   75  
76 arr[5]=addr; 76 arr[5]=addr;
77 arr[4]=RAM_Access|select; 77 arr[4]=RAM_Access|select;
78 arr[3]=addr; 78 arr[3]=addr;
79 arr[0]=0; 79 arr[0]=0;
80 if (crc != PEC_calculation(arr)) temp=0; // Calculate and check CRC 80 if (crc != PEC_calculation(arr)) temp=0; // Calculate and check CRC
81   81  
82 return temp; 82 return temp;
83 } 83 }
84   84  
85 /*-----------------------------------------------------------------------*/ 85 /*-----------------------------------------------------------------------*/
86 void main() 86 void main()
87 { 87 {
88 unsigned int16 seq, temp, tempa; 88 unsigned int16 seq, temp, tempa;
89 signed int16 ta, to; 89 signed int16 ta, to;
90 int8 safety_counter; 90 int8 safety_counter;
91   91  
92 output_low(DOME); // Close Dome 92 output_high(DOME); // Close Dome
93 output_low(HEATING); // Heating off 93 output_low(HEATING); // Heating off
94 setup_wdt(WDT_2304MS); // Setup Watch Dog 94 setup_wdt(WDT_2304MS); // Setup Watch Dog
95 setup_adc_ports(NO_ANALOGS); 95 setup_adc_ports(NO_ANALOGS);
96 setup_adc(ADC_OFF); 96 setup_adc(ADC_OFF);
97 setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); 97 setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
98 setup_timer_1(T1_DISABLED); 98 setup_timer_1(T1_DISABLED);
99 setup_timer_2(T2_DISABLED,0,1); 99 setup_timer_2(T2_DISABLED,0,1);
100 setup_comparator(NC_NC_NC_NC); 100 setup_comparator(NC_NC_NC_NC);
101 setup_vref(FALSE); 101 setup_vref(FALSE);
102 // setup_oscillator(OSC_4MHZ|OSC_INTRC,+2); // Pokud je nutna kalibrace RCosc 102 // setup_oscillator(OSC_4MHZ|OSC_INTRC,+2); // Pokud je nutna kalibrace RCosc
103 setup_oscillator(OSC_8MHZ|OSC_INTRC); 103 setup_oscillator(OSC_8MHZ|OSC_INTRC);
104   104  
105 delay_ms(1000); 105 delay_ms(1000);
106 restart_wdt(); 106 restart_wdt();
107   107  
108 welcome(); -  
109 -  
110 tempa=ReadTemp(SA, RAM_Tamb); // Dummy read -  
111 temp=ReadTemp(SA, RAM_Tobj1); -  
112   -  
113 seq=0; // Variables initiation 108 seq=0; // Variables initiation
114 heat=0; 109 heat=0;
115 open=0; 110 open=0;
116   111  
-   112 welcome();
-   113  
-   114 tempa=ReadTemp(SA, RAM_Tamb); // Dummy read
-   115 temp=ReadTemp(SA, RAM_Tobj1);
-   116  
117 //---WDT 117 //---WDT
118 restart_wdt(); 118 restart_wdt();
119   119  
120 while(TRUE) // Main Loop 120 while(TRUE) // Main Loop
121 { 121 {
122 while(kbhit()) getc(); // Flush USART buffer 122 while(kbhit()) getc(); // Flush USART buffer
123 CREN=0; CREN=1; // Reinitialise USART 123 CREN=0; CREN=1; // Reinitialise USART
124   124  
125 safety_counter=SAFETY_COUNT; // Heating and Dome Count Down 125 safety_counter=SAFETY_COUNT; // Heating and Dome Count Down
126 do 126 do
127 { 127 {
128 if (safety_counter<SAFETY_COUNT) safety_counter++; 128 if (safety_counter<SAFETY_COUNT) safety_counter++;
129   129  
130 delay(RESPONSE_DELAY); 130 delay(RESPONSE_DELAY);
131   131  
132 if (safety_counter>=SAFETY_COUNT) 132 if (safety_counter>=SAFETY_COUNT)
133 { 133 {
134 if (heat>0) 134 if (heat>0)
135 { 135 {
136 output_high(HEATING); 136 output_high(HEATING);
137 heat--; 137 heat--;
138 } 138 }
139 else 139 else
140 { 140 {
141 output_low(HEATING); 141 output_low(HEATING);
142 } 142 }
143   143  
144 if (open>0) open--; 144 if (open>0) open--;
145   145  
146 safety_counter=0; 146 safety_counter=0;
147 //---WDT 147 //---WDT
148 restart_wdt(); 148 restart_wdt();
149 } 149 }
150 } while (!kbhit()); 150 } while (!kbhit());
151 151  
152 //---WDT 152 //---WDT
153 restart_wdt(); 153 restart_wdt();
154 { // Retrieve command 154 { // Retrieve command
155 char ch; 155 char ch;
156   156  
157 ch=getc(); 157 ch=getc();
158   158  
159 switch (ch) 159 switch (ch)
160 { 160 {
161 case 'h': 161 case 'h':
162 heat=MAXHEAT; // Need heating 162 heat=MAXHEAT; // Need heating
163 break; 163 break;
164   164  
165 case 'c': 165 case 'c':
166 heat=0; // Need colder 166 heat=0; // Need colder
167 break; 167 break;
168   168  
169 case 'o': 169 case 'o':
170 open=MAXOPEN; // Open the dome 170 open=MAXOPEN; // Open the dome
171 break; 171 break;
172   172  
173 case 'x': 173 case 'x':
174 open=MAXOPEN; // Open the dome 174 open=MAXOPEN; // Open the dome
175 heat=MAXHEAT; // Need heating 175 heat=MAXHEAT; // Need heating
176 break; 176 break;
177   177  
178 case 'l': 178 case 'l':
179 open=0; // Lock the dome 179 open=0; // Lock the dome
180 break; 180 break;
181   181  
182 case 'i': 182 case 'i':
183 welcome(); // Information about version, etc... 183 welcome(); // Information about version, etc...
184 break; 184 break;
185 } 185 }
186 } 186 }
187   187  
188 seq++; // Increment the number of measurement 188 seq++; // Increment the number of measurement
189   189  
190 tempa=ReadTemp(SA, RAM_Tamb); // Read temperatures from sensor 190 tempa=ReadTemp(SA, RAM_Tamb); // Read temperatures from sensor
191 temp=ReadTemp(SA, RAM_Tobj1); 191 temp=ReadTemp(SA, RAM_Tobj1);
192   192  
193 ta=tempa*2-27315; // °K -> °C 193 ta=tempa*2-27315; // °K -> °C
194 to=temp*2-27315; 194 to=temp*2-27315;
195   195  
196 { // printf 196 { // printf
197 char output[8]; // Output buffer 197 char output[8]; // Output buffer
198 int8 j; // String pointer 198 int8 j; // String pointer
199   199  
200 delay(SEND_DELAY); 200 delay(SEND_DELAY);
201 sprintf(output,"#%Lu ", seq); 201 sprintf(output,"#%Lu ", seq);
202 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 202 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
203 sprintf(output,"%Ld ", ta); 203 sprintf(output,"%Ld ", ta);
204 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 204 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
205 sprintf(output,"%Ld ", to); 205 sprintf(output,"%Ld ", to);
206 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 206 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
207 sprintf(output,"%u ", heat); 207 sprintf(output,"%u ", heat);
208 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 208 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
209 sprintf(output,"%u\n\r\0", open); 209 sprintf(output,"%u\n\r\0", open);
210 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); } 210 j=0; while(output[j]!=0) { delay(SEND_DELAY); putc(output[j++]); }
211 } 211 }
212   212  
213 delay(MEASURE_DELAY); // Delay to a next measurement 213 delay(MEASURE_DELAY); // Delay to a next measurement
214 //---WDT 214 //---WDT
215 restart_wdt(); 215 restart_wdt();
216 } 216 }
217 } 217 }
218   218