/Modules/Sensors/SHT25V01A/SW/PIC16F887/main.c
1,75 → 1,107
#include "main.h"
 
void main()
void SHT25_soft_reset()
{
i2c_start(); // Start condition
i2c_write(0x80); // Device address
i2c_write(0xFE); // Device command
i2c_stop(); // Stop condition
}
 
setup_adc_ports(NO_ANALOGS|VSS_VDD);
setup_adc(ADC_CLOCK_DIV_2);
setup_spi(SPI_SS_DISABLED);
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
setup_timer_1(T1_DISABLED);
setup_timer_2(T2_DISABLED,0,1);
setup_ccp1(CCP_OFF);
setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard
unsigned int8 SHT25_setup()
{
unsigned int8 reg;
 
printf("Simple Thermomether \r\n",);
i2c_start(); // Start condition
i2c_write(0x80); // Device address
i2c_write(0xE7); // Device command
// i2c_stop(); // Stop condition
 
int16 data1, data2, data3;
 
int XL,XH,YL,YH,ZL,ZH;
i2c_start(); // Start condition
i2c_write(0x81); // Device address
reg=i2c_read(0); // Device command
i2c_stop(); // Stop condition
while(TRUE)
{
return (reg);
}
 
data1=0;
data2=0 ;
float SHT25_get_temp()
{
unsigned int8 MSB, LSB, Check;
unsigned int16 data;
 
 
//akcelerometr
int1 ack;
i2c_start(); // If the write command is acknowledged,
ack = i2c_write(0x81);//hen the device is ready.
i2c_start();
I2C_Write(0x80);
I2C_write(0xE3);
i2c_stop();
ack=!ack;
delay_ms(100);
i2c_stop(); //T
 
i2c_start();
I2C_Write(0x80);
I2C_write(0xF3);
// i2c_stop();
i2c_start();
I2C_Write(0x81);
XH=i2c_read(0);
XL=i2c_read(0);
i2c_stop();
MSB=i2c_read(1);
LSB=i2c_read(1);
Check=i2c_read(0);
i2c_stop();
LSB = LSB >> 2; // trow out status bits
 
i2c_start(); //RH
data = (((unsigned int16) MSB << 8) + (LSB << 4));
return(-46.85 + 175.72*((float)data/0xFFFF));
}
 
float SHT25_get_hum()
{
unsigned int8 MSB, LSB, Check;
unsigned int16 data;
 
i2c_start(); //RH
I2C_Write(0x80);
I2C_write(0xF5);
// i2c_stop();
I2C_write(0xE5);
// i2c_stop();
 
delay_ms(100);
 
i2c_start();
I2C_Write(0x81);
YH=i2c_read(0);
YL=i2c_read(0);
i2c_stop();
MSB=i2c_read(1);
LSB=i2c_read(1);
Check=i2c_read(0);
i2c_stop();
 
data1 = (((unsigned int16) XH << 8) + XL>>2 );
data2 = (((unsigned int16) YH << 8) + YL>>2);
// printf("%X %X %X\r\n",MSB, LSB, Check);
 
LSB = LSB >> 2; // trow out status bits
 
printf("Stav: %d (procenta)\r\n", ack);
data = (((unsigned int16) MSB << 8) + (LSB << 4) );
return( -6.0 + 125.0*((float)data/0xFFFF));
}
 
printf("Stav: %Ld(procenta)\r\n", data1);
printf("Stav: %Ld(procenta)\r\n", data2);
 
delay_ms (2000);
void main()
{
 
}
setup_adc_ports(NO_ANALOGS|VSS_VDD);
setup_adc(ADC_CLOCK_DIV_2);
setup_spi(SPI_SS_DISABLED);
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
setup_timer_1(T1_DISABLED);
setup_timer_2(T2_DISABLED,0,1);
setup_ccp1(CCP_OFF);
setup_comparator(NC_NC_NC_NC);
 
void SHT25_soft_reset();
printf("SHT25 humidity and temperature sensor example \r\n",);
delay_ms (500);
 
while(TRUE)
{
printf("setup: %X \r\n",SHT25_setup());
delay_ms (500);
printf("Temp: %f \r\n",SHT25_get_temp());
delay_ms (500);
printf("Hum: %f \r\n",SHT25_get_hum());
delay_ms (1000);
}
}