Rev 3086 Rev 3133
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1 /**** Automatic weather station 01A ****/ 1 /**** Automatic weather station 01A ****/
2 #define VERSION "0.1" 2 #define VERSION "0.1"
3 #define ID "$Id: main.c 3086 2013-06-22 16:48:02Z kaklik $" 3 #define ID "$Id: main.c 3133 2013-07-04 11:36:46Z kaklik $"
4 #include "main.h" 4 #include "main.h"
5 #include ".\common\dbloader.h" 5 #include ".\common\dbloader.h"
6 #include <string.h> 6 #include <string.h>
7   7  
8 #CASE // Case sensitive compiler 8 #CASE // Case sensitive compiler
9   9  
10 #define SEND_DELAY 50 // Time between two characters on RS232 10 #define SEND_DELAY 50 // Time between two characters on RS232
-   11 #define RESPONSE_DELAY 100 // Reaction time after receiving a command
-   12 #define MEASURE_DELAY 1000 // Delay to a next measurement
11   13  
12 char VER[4]=VERSION; // Buffer for concatenate of a version string 14 char VER[4]=VERSION; // Buffer for concatenate of a version string
13   15  
14 #define ONE_WIRE_PIN PIN_B1 // DS18B20 sensor connection 16 #define ONE_WIRE_PIN PIN_B1 // DS18B20 sensor connection
15 #include "..\ds1820.c" 17 #include "..\ds1820.c"
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23   25  
24 #define CSN_SPI PIN_C2 // preassure sensor connection 26 #define CSN_SPI PIN_C2 // preassure sensor connection
25 #include "..\MPL115A1.c" 27 #include "..\MPL115A1.c"
26   28  
27 unsigned int16 timer0_overflow_count; 29 unsigned int16 timer0_overflow_count;
-   30 unsigned int16 timer1_overflow_count;
28 float anemo; 31 float anemo_max;
29   32  
30 int1 barometer_present; 33 int1 barometer_present;
31   34  
-   35 float anemo_compute()
-   36 {
-   37 float anemo;
-   38 anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(((timer1_overflow_count * 0xFFFF) + get_timer1())/32768.0); // pulses per second calculation
-   39 anemo = anemo / 10.5; // frequency divided by anemomether constant.
-   40 return anemo;
-   41 }
-   42  
32 #int_TIMER1 43 #int_TIMER1
33 void TIMER1_isr(void) 44 void TIMER1_isr(void)
34 { 45 {
35 // wind speed calculation 32.768 kHz crystal on timer1 oscilator expected. 46 float anemo;
36 anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(0xFFFF/32768.0); // pulses per second calculation 47 anemo = anemo_compute();
37 anemo = anemo / 10.5; // frequency divided by anemomether constant. 48 if (anemo > anemo_max) anemo_max=anemo;
38   49  
39 timer0_overflow_count=0; 50 timer1_overflow_count++;
40 set_timer0(0); -  
41 set_timer1(0); -  
42 output_toggle(PIN_E0); -  
43 } 51 }
44   52  
45 #int_TIMER0 // anemometr pulses counting timer owerflow 53 #int_TIMER0 // anemometr pulses counting timer owerflow
46 void TIMER0_isr(void) 54 void TIMER0_isr(void)
47 { 55 {
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64 // printf("# ver seq "); 72 // printf("# ver seq ");
65 // printf("#temp[mK] hum_temp[mK] hum[%%] "); 73 // printf("#temp[mK] hum_temp[mK] hum[%%] ");
66 // printf("bar_temp[mK] pressure[hPa] Anemo[m/s]check\r\n\r\n"); 74 // printf("bar_temp[mK] pressure[hPa] Anemo[m/s]check\r\n\r\n");
67 } 75 }
68   76  
-   77 void print_slow(char *output, int8 *check)
-   78 {
-   79 int8 j; // String pointer
-   80 j=0;
-   81 while(output[j]!=0)
-   82 {
-   83 delay_us(SEND_DELAY);
-   84 putc(output[j]);
-   85 *check^=output[j++];
-   86 }
-   87 }
-   88  
-   89  
69 void main() 90 void main()
70 { 91 {
71 unsigned int16 seq=0; 92 unsigned int16 seq=0;
72   93  
73 setup_oscillator(OSC_8MHZ); // pri prouziti bootloaderu neni treba nastavovat 94 setup_oscillator(OSC_8MHZ); // pri prouziti bootloaderu neni treba nastavovat
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80 setup_timer_2(T2_DISABLED,0,1); 101 setup_timer_2(T2_DISABLED,0,1);
81 setup_ccp1(CCP_OFF); 102 setup_ccp1(CCP_OFF);
82 setup_comparator(NC_NC_NC_NC); // This device COMP currently not supported by the PICWizard 103 setup_comparator(NC_NC_NC_NC); // This device COMP currently not supported by the PICWizard
83 setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64); 104 setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64);
84 output_high(CSN_SPI); 105 output_high(CSN_SPI);
-   106 int1 repeat;
-   107 float anemo;
85   108  
86 welcome(); // welcome print and device indentification 109 welcome(); // welcome print and device indentification
87 110
88 enable_interrupts(INT_TIMER1); // interrupts used for anemometer readings 111 enable_interrupts(INT_TIMER1); // interrupts used for anemometer readings
89 enable_interrupts(INT_TIMER0); 112 enable_interrupts(INT_TIMER0);
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101 // anemometer init 124 // anemometer init
102 set_timer0(0); 125 set_timer0(0);
103 set_timer1(0); 126 set_timer1(0);
104 timer0_overflow_count=0; 127 timer0_overflow_count=0;
105 anemo=0; 128 anemo=0;
-   129 repeat=TRUE;
106 130
107 restart_wdt(); //---WDT 131 restart_wdt(); //---WDT
-   132 delay_ms(1000);
108   133  
109 while (TRUE) 134 while (TRUE)
110 { 135 {
-   136 do
-   137 {
-   138 delay_ms(RESPONSE_DELAY);
-   139 //---WDT
-   140 restart_wdt();
-   141 } while (!kbhit()&&!repeat);
-   142  
-   143 //---WDT
-   144 restart_wdt();
-   145  
-   146 { // Retrieve command
-   147 char ch='k';
-   148  
-   149 if(kbhit()) ch=getc();
-   150  
-   151 switch (ch)
-   152 {
-   153 case 'i':
-   154 welcome(); // Information about version, etc...
-   155 break; // Only when dome is closed
-   156  
-   157 case 's':
-   158 repeat=FALSE; // Single measure mode
-   159 break;
-   160  
-   161 case 'r':
-   162 repeat=TRUE; // Repeat mode
-   163 break;
-   164  
-   165 case 'u':
-   166 reset_cpu(); // Update firmware
-   167 }
-   168 }
-   169  
111 char output[8]; // Output buffer 170 char output[8]; // Output buffer
112 int8 j; // String pointer -  
113 int8 check=0; // Checksum is calculated between '$' and '*' 171 int8 check=0; // Checksum is calculated between '$' and '*'
114 float SHT_temp1=0,SHT_hum1=0; 172 float SHT_temp1=0,SHT_hum1=0;
115 float SHT_temp2=0,SHT_hum2=0; 173 float SHT_temp2=0,SHT_hum2=0;
116 float local_temp; 174 float local_temp;
117 float barometer_temperature, barometer_pressure; 175 float barometer_temperature, barometer_pressure;
-   176 float anemo;
-   177  
118   178  
119 delay_ms(1000); -  
120 { // printf 179 { // printf
121   180  
122 local_temp = ds1820_read()+27315; 181 local_temp = ds1820_read()+27315;
123 sht_rd(SHT_temp1,SHT_hum1); 182 sht_rd(SHT_temp1,SHT_hum1);
124 SHT_temp1 = (SHT_temp1 + 273.15)*100; 183 SHT_temp1 = (SHT_temp1 + 273.15)*100;
125 184
126 SHT_temp2 = SHT25_get_temp(); 185 SHT_temp2 = SHT25_get_temp();
127 SHT_hum2 = SHT25_get_hum(); 186 SHT_hum2 = SHT25_get_hum();
128 SHT_temp2 = (SHT_temp2 + 273.15)*100; 187 SHT_temp2 = (SHT_temp2 + 273.15)*100;
129   -  
130 if (barometer_present == TRUE) 188 if (barometer_present == TRUE)
131 { 189 {
132 barometer_temperature = (MPL_get_temperature() + 273.15)*100; 190 barometer_temperature = (MPL_get_temperature() + 273.15)*100;
133 barometer_pressure = MPL_get_pressure() * 10.0; // conversion to hectopascals 191 barometer_pressure = MPL_get_pressure() * 10.0; // conversion to hectopascals
134 } 192 }
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140 198  
141 delay_us(SEND_DELAY); 199 delay_us(SEND_DELAY);
142 putc('$'); 200 putc('$');
143 delay_us(SEND_DELAY); 201 delay_us(SEND_DELAY);
144 sprintf(output,"AWS%s \0",VER); 202 sprintf(output,"AWS%s \0",VER);
145 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 203 print_slow(output, &check);
146 sprintf(output,"%Lu \0", seq); 204 sprintf(output,"%Lu \0", seq);
147 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 205 print_slow(output, &check);
148 sprintf(output,"%5.0f \0", local_temp ); 206 sprintf(output,"%5.0f \0", local_temp );
149 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 207 print_slow(output, &check);
150 sprintf(output,"%5.0f \0", SHT_temp1); 208 sprintf(output,"%5.0f \0", SHT_temp1);
151 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 209 print_slow(output, &check);
152 sprintf(output,"%3.1f \0", SHT_hum1); 210 sprintf(output,"%3.1f \0", SHT_hum1);
153 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 211 print_slow(output, &check);
154 sprintf(output,"%5.0f \0", SHT_temp2); 212 sprintf(output,"%5.0f \0", SHT_temp2);
155 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 213 print_slow(output, &check);
156 sprintf(output,"%3.1f \0", SHT_hum2); 214 sprintf(output,"%3.1f \0", SHT_hum2);
157 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 215 print_slow(output, &check);
158 sprintf(output,"%5.0f \0", barometer_temperature); 216 sprintf(output,"%5.0f \0", barometer_temperature);
159 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 217 print_slow(output, &check);
160 sprintf(output,"%5.1f \0", barometer_pressure); 218 sprintf(output,"%5.1f \0", barometer_pressure);
-   219 print_slow(output, &check);
-   220
-   221 //anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(((timer1_overflow_count * 0xFFFF) + get_timer1())/32768.0); // pulses per second calculation
161 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 222 //anemo = anemo / 10.5; // frequency divided by anemomether constant.
-   223 sprintf(output,"%3.1f \0", anemo_compute());
-   224  
-   225 timer0_overflow_count=0;
-   226 timer1_overflow_count=0;
-   227 set_timer0(0);
-   228 set_timer1(0);
-   229
-   230 print_slow(output, &check);
162 sprintf(output,"%3.1f \0", anemo); 231 //sprintf(output,"%3.1f \0", anemo_max);
163 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 232 //print_slow(output, &check);
-   233  
-   234 //anemo_max = 0;
-   235  
164 sprintf(output,"*%X\r\n\0", check); 236 sprintf(output,"*%X\r\n\0", check);
165 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j++]); } 237 print_slow(output, &check);
-   238  
166 delay_us(SEND_DELAY); 239 delay_us(SEND_DELAY);
167 } 240 }
168   241  
169 //---WDT 242 //---WDT
170 restart_wdt(); 243 restart_wdt();
171 seq++; // Increment the number of measurement 244 seq++; // Increment the number of measurement
-   245 delay_ms(MEASURE_DELAY);
172 } 246 }
173 } 247 }
174   248