Rev Author Line No. Line
2752 kaklik 1 /**** Automatic weather station 01A ****/
2 #define VERSION "0.1"
2806 kakl 3 #define ID "$Id: main.c 2897 2013-04-09 21:20:28Z kakl $"
2751 kaklik 4 #include "main.h"
2828 kaklik 5 #include ".\common\dbloader.h"
2752 kaklik 6 #include <string.h>
2751 kaklik 7  
2752 kaklik 8 #CASE // Case sensitive compiler
9  
10 #define SEND_DELAY 50 // Time between two characters on RS232
11  
12 char VER[4]=VERSION; // Buffer for concatenate of a version string
13  
2826 kaklik 14 #define ONE_WIRE_PIN PIN_B1 // DS18B20 sensor connection
2751 kaklik 15 #include "..\ds1820.c"
16  
2781 kaklik 17 #define sht_data_pin PIN_D0 // SHT11 sensor connection
2779 kaklik 18 #define sht_clk_pin PIN_D1
2768 kaklik 19 #include "..\SHT.c"
20  
2781 kaklik 21 #define CSN_SPI PIN_C2 // preassure sensor connection
2779 kaklik 22 #include "..\MPL115A1.c"
2768 kaklik 23  
2782 kaklik 24 unsigned int16 timer0_overflow_count=0;
25 float anemo=0;
26  
27  
28 #int_TIMER1
29 void TIMER1_isr(void)
30 {
2843 kaklik 31 output_toggle(PIN_E0);
2848 kakl 32 set_timer1(0);
33  
2843 kaklik 34 // anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(32768.0/0xFFFF);
35 // timer0_overflow_count=0;
36 // set_timer0(0);
2782 kaklik 37 }
38  
39 #int_TIMER0
40 void TIMER0_isr(void)
41 {
42 timer0_overflow_count++;
43 }
44  
2843 kaklik 45 #int_default
46 default_isr()
47 {
2782 kaklik 48  
2843 kaklik 49 printf("Unexplained interrupt\r\n");
2782 kaklik 50  
2843 kaklik 51 }
52  
2752 kaklik 53 void welcome(void) // Welcome message
54 {
55 char REV[50]=ID; // Buffer for concatenate of a version string
56  
57 if (REV[strlen(REV)-1]=='$') REV[strlen(REV)-1]=0;
2780 kaklik 58 printf("\r\n\r\n# AWS01A %s (C) 2013 www.mlab.cz \r\n",VER); // Welcome message
2752 kaklik 59 printf("#%s\r\n",&REV[4]);
2835 kaklik 60 printf("# ver seq temp[mK] hum_temp[mK] hum[%%] ");
61 printf("bar_temp[mK] pressure[hPa] Anemo[pls/s]check\r\n\r\n");
2752 kaklik 62 }
63  
2751 kaklik 64 void main()
65 {
2752 kaklik 66 unsigned int16 seq=0;
2751 kaklik 67  
2848 kakl 68 setup_oscillator(OSC_8MHZ); // pri prouziti bootloaderu neni treba nastavovat
69 setup_wdt(WDT_2304MS);
2843 kaklik 70 restart_wdt(); //---WDT
2822 kaklik 71 setup_adc_ports(NO_ANALOGS|VSS_VDD);
2751 kaklik 72 setup_adc(ADC_CLOCK_DIV_2);
2848 kakl 73 setup_timer_0(RTCC_EXT_L_TO_H|RTCC_DIV_1);
74 // setup_timer_1(T1_EXTERNAL|T1_DIV_BY_1);//|T1_CLK_OUT);
2843 kaklik 75 setup_timer_1(T1_INTERNAL|T1_DIV_BY_8);
2751 kaklik 76 setup_timer_2(T2_DISABLED,0,1);
77 setup_ccp1(CCP_OFF);
2823 kaklik 78 setup_comparator(NC_NC_NC_NC); // This device COMP currently not supported by the PICWizard
2779 kaklik 79 setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64);
80 output_high(CSN_SPI);
2782 kaklik 81  
2834 kaklik 82 welcome(); // welcome print and device indentification
2848 kakl 83 output_low(PIN_E1);
84  
2897 kakl 85 enable_interrupts(INT_TIMER1); // interrupts used for anemometer readings
86 enable_interrupts(INT_TIMER0);
2843 kaklik 87 // disable_interrupts(INT_RDA);
2897 kakl 88 enable_interrupts(GLOBAL);
2848 kakl 89 output_high(PIN_E1);
90  
91 restart_wdt(); //---WDT
92  
93 sht_init();
94 MPL_init(); // get correction coefficients from the sensor
2843 kaklik 95  
96 restart_wdt(); //---WDT
2822 kaklik 97  
2751 kaklik 98 while (TRUE)
99 {
2768 kaklik 100 char output[8]; // Output buffer
101 int8 j; // String pointer
102 int8 check=0; // Checksum is calculated between '$' and '*'
2843 kaklik 103 float SHT_temp=0,SHT_hum=0;
2779 kaklik 104 float local_temp;
105 float barometer_temperature, barometer_pressure;
2768 kaklik 106  
2835 kaklik 107 delay_ms(1000);
2752 kaklik 108 { // printf
109  
2835 kaklik 110 local_temp = ds1820_read()+27315;
2768 kaklik 111 sht_rd(SHT_temp,SHT_hum);
2837 kaklik 112 SHT_temp = (SHT_temp + 273.15)*100;
2858 kaklik 113 //barometer_temperature = (MPL_get_temperature() + 273.15)*100;
114 //barometer_pressure = MPL_get_pressure() * 10.0; // conversion to hectopascals
2779 kaklik 115  
2752 kaklik 116 delay_us(SEND_DELAY);
117 putc('$');
118 delay_us(SEND_DELAY);
119 sprintf(output,"AWS%s \0",VER);
120 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
121 sprintf(output,"%Lu \0", seq);
122 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2835 kaklik 123 sprintf(output,"%5.0f \0", local_temp );
2752 kaklik 124 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2837 kaklik 125 sprintf(output,"%5.0f \0", SHT_temp);
2768 kaklik 126 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2779 kaklik 127 sprintf(output,"%3.1f \0", SHT_hum);
2768 kaklik 128 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2837 kaklik 129 sprintf(output,"%5.0f \0", barometer_temperature);
2779 kaklik 130 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
131 sprintf(output,"%5.1f \0", barometer_pressure);
132 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2782 kaklik 133 sprintf(output,"%3.1f \0", anemo);
134 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
2752 kaklik 135 sprintf(output,"*%X\r\n\0", check);
136 j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j++]); }
137 delay_us(SEND_DELAY);
138 }
2843 kaklik 139 // output_toggle(PIN_E0);
2752 kaklik 140 //---WDT
141 restart_wdt();
142 seq++; // Increment the number of measurement
2751 kaklik 143 }
144 }
2828 kaklik 145