Rev 2789 Rev 2806
1 /**** Automatic weather station 01A ****/ 1 /**** Automatic weather station 01A ****/
2 #define VERSION "0.1" 2 #define VERSION "0.1"
3 #define ID "$Id: irmrak4.c 2177 2011-09-05 18:56:16Z kaklik $" 3 #define ID "$Id: main.c 2806 2013-03-09 23:17:52Z kakl $"
4 #include "main.h" 4 #include "main.h"
5 #include <string.h> 5 #include <string.h>
6   6  
7 #CASE // Case sensitive compiler 7 #CASE // Case sensitive compiler
8   8  
9 #define SEND_DELAY 50 // Time between two characters on RS232 9 #define SEND_DELAY 50 // Time between two characters on RS232
10   10  
11 char VER[4]=VERSION; // Buffer for concatenate of a version string 11 char VER[4]=VERSION; // Buffer for concatenate of a version string
12   12  
13 #define ONE_WIRE_PIN PIN_C7 // DS18B20 sensor connection 13 #define ONE_WIRE_PIN PIN_C7 // DS18B20 sensor connection
14 #include "..\ds1820.c" 14 #include "..\ds1820.c"
15   15  
16 #define sht_data_pin PIN_D0 // SHT11 sensor connection 16 #define sht_data_pin PIN_D0 // SHT11 sensor connection
17 #define sht_clk_pin PIN_D1 17 #define sht_clk_pin PIN_D1
18 #include "..\SHT.c" 18 #include "..\SHT.c"
19   19  
20 #define CSN_SPI PIN_C2 // preassure sensor connection 20 #define CSN_SPI PIN_C2 // preassure sensor connection
21 #include "..\MPL115A1.c" 21 #include "..\MPL115A1.c"
22   22  
23 unsigned int16 timer0_overflow_count=0; 23 unsigned int16 timer0_overflow_count=0;
24 float anemo=0; 24 float anemo=0;
25   25  
26   26  
27 #int_TIMER1 27 #int_TIMER1
28 void TIMER1_isr(void) 28 void TIMER1_isr(void)
29 { 29 {
30 output_toggle(PIN_D1); 30 output_toggle(PIN_D1);
31 anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(32768.0/0xFFFF); 31 anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(32768.0/0xFFFF);
32 timer0_overflow_count=0; 32 timer0_overflow_count=0;
33 set_timer0(0); 33 set_timer0(0);
34 } 34 }
35   35  
36 #int_TIMER0 36 #int_TIMER0
37 void TIMER0_isr(void) 37 void TIMER0_isr(void)
38 { 38 {
39 timer0_overflow_count++; 39 timer0_overflow_count++;
40 } 40 }
41   41  
42   42  
43   43  
44 void welcome(void) // Welcome message 44 void welcome(void) // Welcome message
45 { 45 {
46 char REV[50]=ID; // Buffer for concatenate of a version string 46 char REV[50]=ID; // Buffer for concatenate of a version string
47   47  
48 if (REV[strlen(REV)-1]=='$') REV[strlen(REV)-1]=0; 48 if (REV[strlen(REV)-1]=='$') REV[strlen(REV)-1]=0;
49 printf("\r\n\r\n# AWS01A %s (C) 2013 www.mlab.cz \r\n",VER); // Welcome message 49 printf("\r\n\r\n# AWS01A %s (C) 2013 www.mlab.cz \r\n",VER); // Welcome message
50 printf("#%s\r\n",&REV[4]); 50 printf("#%s\r\n",&REV[4]);
51 // printf("#\r\n"); 51 // printf("#\r\n");
52 // printf("# commands: h, c, o, l, x, i, r, a, s, u\r\n"); 52 // printf("# commands: h, c, o, l, x, i, r, a, s, u\r\n");
53 // printf("# h_eat, c_old, o_pen, l_ock, x_open, "); 53 // printf("# h_eat, c_old, o_pen, l_ock, x_open, ");
54 // printf("i_nfo, r_epeat, a_uto, s_single, u_pdate\r\n"); 54 // printf("i_nfo, r_epeat, a_uto, s_single, u_pdate\r\n");
55 // printf("#\r\n"); 55 // printf("#\r\n");
56 printf("# ver seq temp[K] hum_temp[K] hum[%%] "); 56 printf("# ver seq temp[K] hum_temp[K] hum[%%] ");
57 printf("bar_temp[K] pressure[hPa] check\r\n\r\n"); 57 printf("bar_temp[K] pressure[hPa] check\r\n\r\n");
58   58  
59 //---WDT 59 //---WDT
60 restart_wdt(); 60 restart_wdt();
61 } 61 }
62   62  
63 void main() 63 void main()
64 { 64 {
65 unsigned int16 seq=0; 65 unsigned int16 seq=0;
66   66  
67 setup_adc_ports(NO_ANALOGS|VSS_VDD); 67 setup_adc_ports(NO_ANALOGS|VSS_VDD);
68 setup_adc(ADC_CLOCK_DIV_2); 68 setup_adc(ADC_CLOCK_DIV_2);
69 setup_timer_0(RTCC_EXT_L_TO_H|RTCC_DIV_1); 69 setup_timer_0(RTCC_EXT_L_TO_H|RTCC_DIV_1);
70 setup_timer_1(T1_EXTERNAL|T1_DIV_BY_1|T1_CLK_OUT); 70 setup_timer_1(T1_EXTERNAL|T1_DIV_BY_1|T1_CLK_OUT);
71 setup_timer_2(T2_DISABLED,0,1); 71 setup_timer_2(T2_DISABLED,0,1);
72 setup_ccp1(CCP_OFF); 72 setup_ccp1(CCP_OFF);
73 setup_comparator(NC_NC_NC_NC); // This device COMP currently not supported by the PICWizard 73 setup_comparator(NC_NC_NC_NC); // This device COMP currently not supported by the PICWizard
74 setup_oscillator(OSC_8MHZ); 74 setup_oscillator(OSC_8MHZ);
75 setup_wdt(WDT_1152MS|WDT_DIV_16); 75 setup_wdt(WDT_1152MS|WDT_DIV_16);
76 setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64); 76 setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64);
77 output_high(CSN_SPI); 77 output_high(CSN_SPI);
78 enable_interrupts(INT_TIMER1); 78 enable_interrupts(INT_TIMER1);
79 enable_interrupts(INT_TIMER0); 79 enable_interrupts(INT_TIMER0);
80 enable_interrupts(GLOBAL); 80 enable_interrupts(GLOBAL);
81   81  
82   82  
83 delay_ms(100); 83 delay_ms(100);
84   84  
85 welcome(); 85 welcome();
86   86  
87 sht_init(); 87 sht_init();
88 MPL_init(); // get correction coefficients from the sensor 88 MPL_init(); // get correction coefficients from the sensor
89   89  
90 while (TRUE) 90 while (TRUE)
91 { 91 {
92 char output[8]; // Output buffer 92 char output[8]; // Output buffer
93 int8 j; // String pointer 93 int8 j; // String pointer
94 int8 check=0; // Checksum is calculated between '$' and '*' 94 int8 check=0; // Checksum is calculated between '$' and '*'
95 float SHT_temp,SHT_hum; 95 float SHT_temp,SHT_hum;
96 float local_temp; 96 float local_temp;
97 float barometer_temperature, barometer_pressure; 97 float barometer_temperature, barometer_pressure;
98   98  
99 delay_ms(100); 99 delay_ms(100);
100 { // printf 100 { // printf
101   101  
102 local_temp = ds1820_read()+273.15; 102 local_temp = ds1820_read()+273.15;
103 sht_rd(SHT_temp,SHT_hum); 103 sht_rd(SHT_temp,SHT_hum);
104 SHT_temp += 273.15; 104 SHT_temp += 273.15;
105 // barometer_temperature = MPL_get_temperature() + 273.15; 105 // barometer_temperature = MPL_get_temperature() + 273.15;
106 // barometer_pressure = MPL_get_pressure() * 10.0; // conversion to hectopascals 106 // barometer_pressure = MPL_get_pressure() * 10.0; // conversion to hectopascals
107 107
108 delay_us(SEND_DELAY); 108 delay_us(SEND_DELAY);
109 putc('$'); 109 putc('$');
110 delay_us(SEND_DELAY); 110 delay_us(SEND_DELAY);
111 sprintf(output,"AWS%s \0",VER); 111 sprintf(output,"AWS%s \0",VER);
112 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 112 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
113 sprintf(output,"%Lu \0", seq); 113 sprintf(output,"%Lu \0", seq);
114 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 114 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
115 sprintf(output,"%f \0", local_temp ); 115 sprintf(output,"%f \0", local_temp );
116 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 116 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
117 sprintf(output,"%f \0", SHT_temp); 117 sprintf(output,"%f \0", SHT_temp);
118 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 118 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
119 sprintf(output,"%3.1f \0", SHT_hum); 119 sprintf(output,"%3.1f \0", SHT_hum);
120 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 120 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
121 sprintf(output,"%f \0", barometer_temperature); 121 sprintf(output,"%f \0", barometer_temperature);
122 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 122 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
123 sprintf(output,"%5.1f \0", barometer_pressure); 123 sprintf(output,"%5.1f \0", barometer_pressure);
124 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 124 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
125 sprintf(output,"%3.1f \0", anemo); 125 sprintf(output,"%3.1f \0", anemo);
126 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; } 126 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
127 sprintf(output,"*%X\r\n\0", check); 127 sprintf(output,"*%X\r\n\0", check);
128 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j++]); } 128 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j++]); }
129 delay_us(SEND_DELAY); 129 delay_us(SEND_DELAY);
130 } 130 }
131 131
132 //---WDT 132 //---WDT
133 restart_wdt(); 133 restart_wdt();
134 seq++; // Increment the number of measurement 134 seq++; // Increment the number of measurement
135 } 135 }
136 } 136 }
137   137  
138 //#include "dbloader.c" // Space reservation for the BootLoader 138 //#include "dbloader.c" // Space reservation for the BootLoader