/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
8,6 → 8,8
#CASE // Case sensitive compiler
 
#define SEND_DELAY 50 // Time between two characters on RS232
#define RESPONSE_DELAY 100 // Reaction time after receiving a command
#define MEASURE_DELAY 1000 // Delay to a next measurement
 
char VER[4]=VERSION; // Buffer for concatenate of a version string
 
25,27 → 27,33
#include "..\MPL115A1.c"
 
unsigned int16 timer0_overflow_count;
float anemo;
unsigned int16 timer1_overflow_count;
float anemo_max;
 
int1 barometer_present;
 
float anemo_compute()
{
float anemo;
anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(((timer1_overflow_count * 0xFFFF) + get_timer1())/32768.0); // pulses per second calculation
anemo = anemo / 10.5; // frequency divided by anemomether constant.
return anemo;
}
 
#int_TIMER1
void TIMER1_isr(void)
{
// wind speed calculation 32.768 kHz crystal on timer1 oscilator expected.
anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(0xFFFF/32768.0); // pulses per second calculation
anemo = anemo / 10.5; // frequency divided by anemomether constant.
float anemo;
anemo = anemo_compute();
if (anemo > anemo_max) anemo_max=anemo;
 
timer0_overflow_count=0;
set_timer0(0);
set_timer1(0);
output_toggle(PIN_E0);
timer1_overflow_count++;
}
 
#int_TIMER0 // anemometr pulses counting timer owerflow
#int_TIMER0 // anemometr pulses counting timer owerflow
void TIMER0_isr(void)
{
timer0_overflow_count++;
timer0_overflow_count++;
}
 
/*#int_default
66,9 → 74,22
// printf("bar_temp[mK] pressure[hPa] Anemo[m/s]check\r\n\r\n");
}
 
void print_slow(char *output, int8 *check)
{
int8 j; // String pointer
j=0;
while(output[j]!=0)
{
delay_us(SEND_DELAY);
putc(output[j]);
*check^=output[j++];
}
}
 
 
void main()
{
unsigned int16 seq=0;
unsigned int16 seq=0;
 
setup_oscillator(OSC_8MHZ); // pri prouziti bootloaderu neni treba nastavovat
setup_wdt(WDT_2304MS);
82,6 → 103,8
setup_comparator(NC_NC_NC_NC); // This device COMP currently not supported by the PICWizard
setup_spi(SPI_MASTER | SPI_MODE_0 | SPI_CLK_DIV_64);
output_high(CSN_SPI);
int1 repeat;
float anemo;
 
welcome(); // welcome print and device indentification
103,72 → 126,123
set_timer1(0);
timer0_overflow_count=0;
anemo=0;
repeat=TRUE;
restart_wdt(); //---WDT
delay_ms(1000);
 
while (TRUE)
{
char output[8]; // Output buffer
int8 j; // String pointer
int8 check=0; // Checksum is calculated between '$' and '*'
float SHT_temp1=0,SHT_hum1=0;
float SHT_temp2=0,SHT_hum2=0;
float local_temp;
float barometer_temperature, barometer_pressure;
do
{
delay_ms(RESPONSE_DELAY);
//---WDT
restart_wdt();
} while (!kbhit()&&!repeat);
 
delay_ms(1000);
{ // printf
//---WDT
restart_wdt();
 
local_temp = ds1820_read()+27315;
sht_rd(SHT_temp1,SHT_hum1);
SHT_temp1 = (SHT_temp1 + 273.15)*100;
{ // Retrieve command
char ch='k';
 
if(kbhit()) ch=getc();
 
switch (ch)
{
case 'i':
welcome(); // Information about version, etc...
break; // Only when dome is closed
 
case 's':
repeat=FALSE; // Single measure mode
break;
 
case 'r':
repeat=TRUE; // Repeat mode
break;
 
case 'u':
reset_cpu(); // Update firmware
}
}
 
char output[8]; // Output buffer
int8 check=0; // Checksum is calculated between '$' and '*'
float SHT_temp1=0,SHT_hum1=0;
float SHT_temp2=0,SHT_hum2=0;
float local_temp;
float barometer_temperature, barometer_pressure;
float anemo;
 
 
{ // printf
 
local_temp = ds1820_read()+27315;
sht_rd(SHT_temp1,SHT_hum1);
SHT_temp1 = (SHT_temp1 + 273.15)*100;
SHT_temp2 = SHT25_get_temp();
SHT_hum2 = SHT25_get_hum();
SHT_temp2 = (SHT_temp2 + 273.15)*100;
SHT_temp2 = SHT25_get_temp();
SHT_hum2 = SHT25_get_hum();
SHT_temp2 = (SHT_temp2 + 273.15)*100;
if (barometer_present == TRUE)
{
barometer_temperature = (MPL_get_temperature() + 273.15)*100;
barometer_pressure = MPL_get_pressure() * 10.0; // conversion to hectopascals
}
else
{
barometer_temperature = 0;
barometer_pressure = 0;
}
 
if (barometer_present == TRUE)
{
barometer_temperature = (MPL_get_temperature() + 273.15)*100;
barometer_pressure = MPL_get_pressure() * 10.0; // conversion to hectopascals
}
else
{
barometer_temperature = 0;
barometer_pressure = 0;
}
delay_us(SEND_DELAY);
putc('$');
delay_us(SEND_DELAY);
sprintf(output,"AWS%s \0",VER);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
sprintf(output,"%Lu \0", seq);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
sprintf(output,"%5.0f \0", local_temp );
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
sprintf(output,"%5.0f \0", SHT_temp1);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
sprintf(output,"%3.1f \0", SHT_hum1);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
sprintf(output,"%5.0f \0", SHT_temp2);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
sprintf(output,"%3.1f \0", SHT_hum2);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
sprintf(output,"%5.0f \0", barometer_temperature);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
sprintf(output,"%5.1f \0", barometer_pressure);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
sprintf(output,"%3.1f \0", anemo);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j]); check^=output[j++]; }
print_slow(output, &check);
//anemo = ((timer0_overflow_count * 0xFF) + get_timer0())/(((timer1_overflow_count * 0xFFFF) + get_timer1())/32768.0); // pulses per second calculation
//anemo = anemo / 10.5; // frequency divided by anemomether constant.
sprintf(output,"%3.1f \0", anemo_compute());
 
timer0_overflow_count=0;
timer1_overflow_count=0;
set_timer0(0);
set_timer1(0);
print_slow(output, &check);
//sprintf(output,"%3.1f \0", anemo_max);
//print_slow(output, &check);
 
//anemo_max = 0;
 
sprintf(output,"*%X\r\n\0", check);
j=0; while(output[j]!=0) { delay_us(SEND_DELAY); putc(output[j++]); }
print_slow(output, &check);
 
delay_us(SEND_DELAY);
}
 
//---WDT
restart_wdt();
seq++; // Increment the number of measurement
seq++; // Increment the number of measurement
delay_ms(MEASURE_DELAY);
}
}