Rev Author Line No. Line
2752 kaklik 1 /**** Automatic weather station 01A ****/
2 #define VERSION "0.1"
3 #define ID "$Id: irmrak4.c 2177 2011-09-05 18:56:16Z kaklik $"
2751 kaklik 4 #include "main.h"
2752 kaklik 5 #include <string.h>
2751 kaklik 6  
2752 kaklik 7 #CASE // Case sensitive compiler
8  
9 #define SEND_DELAY 50 // Time between two characters on RS232
10  
11 char VER[4]=VERSION; // Buffer for concatenate of a version string
12  
2781 kaklik 13 #define ONE_WIRE_PIN PIN_C7 // DS18B20 sensor connection
2751 kaklik 14 #include "..\ds1820.c"
15  
2781 kaklik 16 #define sht_data_pin PIN_D0 // SHT11 sensor connection
2779 kaklik 17 #define sht_clk_pin PIN_D1
2768 kaklik 18 #include "..\SHT.c"
19  
2781 kaklik 20 #define CSN_SPI PIN_C2 // preassure sensor connection
2779 kaklik 21 #include "..\MPL115A1.c"
2768 kaklik 22  
2752 kaklik 23 void welcome(void) // Welcome message
24 {
25 char REV[50]=ID; // Buffer for concatenate of a version string
26  
27 if (REV[strlen(REV)-1]=='$') REV[strlen(REV)-1]=0;
2780 kaklik 28 printf("\r\n\r\n# AWS01A %s (C) 2013 www.mlab.cz \r\n",VER); // Welcome message
2752 kaklik 29 printf("#%s\r\n",&REV[4]);
30 // printf("#\r\n");
31 // printf("# commands: h, c, o, l, x, i, r, a, s, u\r\n");
32 // printf("# h_eat, c_old, o_pen, l_ock, x_open, ");
33 // printf("i_nfo, r_epeat, a_uto, s_single, u_pdate\r\n");
34 // printf("#\r\n");
2781 kaklik 35 printf("# ver seq temp[K] hum_temp[K] hum[%%] ");
36 printf("bar_temp[K] pressure[hPa] check\r\n\r\n");
2752 kaklik 37  
38 //---WDT
39 restart_wdt();
40 }
41  
2751 kaklik 42 void main()
43 {
2752 kaklik 44 unsigned int16 seq=0;
2751 kaklik 45  
46 setup_adc_ports(NO_ANALOGS|VSS_VDD);
47 setup_adc(ADC_CLOCK_DIV_2);
48 setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
49 setup_timer_1(T1_DISABLED);
50 setup_timer_2(T2_DISABLED,0,1);
51 setup_ccp1(CCP_OFF);
52 setup_comparator(NC_NC_NC_NC); // This device COMP currently not supported by the PICWizard
53 setup_oscillator(OSC_8MHZ);
2779 kaklik 54 setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64);
55 output_high(CSN_SPI);
56 delay_ms(100);
2751 kaklik 57  
2779 kaklik 58 welcome();
2752 kaklik 59  
2768 kaklik 60 sht_init();
2779 kaklik 61 MPL_init(); // get correction coefficients from the sensor
2768 kaklik 62  
2751 kaklik 63 while (TRUE)
64 {
2768 kaklik 65 char output[8]; // Output buffer
66 int8 j; // String pointer
67 int8 check=0; // Checksum is calculated between '$' and '*'
68 float SHT_temp,SHT_hum;
2779 kaklik 69 float local_temp;
70 float barometer_temperature, barometer_pressure;
2768 kaklik 71  
2752 kaklik 72 delay_ms(100);
73 { // printf
74  
2768 kaklik 75 sht_rd(SHT_temp,SHT_hum);
2779 kaklik 76 local_temp = ds1820_read()+273.15;
77 SHT_temp += 273.15;
78 barometer_temperature = MPL_get_temperature() + 273.15;
79 barometer_pressure = MPL_get_pressure() * 10.0; // conversion to hectopascals
80  
2752 kaklik 81 delay_us(SEND_DELAY);
82 putc('$');
83 delay_us(SEND_DELAY);
84 sprintf(output,"AWS%s \0",VER);
85 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
86 sprintf(output,"%Lu \0", seq);
87 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2779 kaklik 88 sprintf(output,"%f \0", local_temp );
2752 kaklik 89 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2779 kaklik 90 sprintf(output,"%f \0", SHT_temp);
2768 kaklik 91 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2779 kaklik 92 sprintf(output,"%3.1f \0", SHT_hum);
2768 kaklik 93 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2779 kaklik 94 sprintf(output,"%f \0", barometer_temperature);
95 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
96 sprintf(output,"%5.1f \0", barometer_pressure);
97 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2752 kaklik 98 sprintf(output,"*%X\r\n\0", check);
99 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j++]); }
100 delay_us(SEND_DELAY);
101 }
102  
103 //---WDT
104 restart_wdt();
105 seq++; // Increment the number of measurement
2751 kaklik 106 }
107 }
2752 kaklik 108  
109 //#include "dbloader.c" // Space reservation for the BootLoader