main.cpp

00001 #include "mbed.h"
00002 #include "stm32f103c8t6.h"
00003 //------------------------------------
00004 // Hyperterminal configuration
00005 // 9600 bauds, 8-bit data, no parity
00006 //------------------------------------
00007 
00008 Serial pc(SERIAL_TX, SERIAL_RX);
00009 
00010 DigitalOut myled(LED1);
00011 
00012 int main()
00013 {
00014     float meas;
00015     float very_hum_value = 0.27;
00016     float soil_hum_perc;
00017          
00018     AnalogIn analog_value(A0);
00019     DigitalOut VCC(PB_7);
00020     
00021     while(1) {
00022        
00023         VCC = 1;// VCC on
00024         wait(1);
00025         meas = analog_value.read();
00026         VCC = 0; //VCC of
00027         
00028         soil_hum_perc = (1 - (meas - very_hum_value)/(1 - very_hum_value)) * 100; // perevod v %
00029         pc.printf("Soil_Humidity: %f %% \n", soil_hum_perc);
00030         
00031         wait(600); //period izmereniy
00032     }
00033 }