main.cpp

00001 #include "mbed.h"
00002 #include "nucleo-f401re.h"
00003 #include "x_nucleo_ike01x1_pressure.h"
00004 #include "x_nucleo_ike01x1_uv.h"
00005 #include "x_nucleo_ike01x1_hum_temp.h"
00006 //------------------------------------
00007 // Hyperterminal configuration
00008 // 9600 bauds, 8-bit data, no parity
00009 //------------------------------------
00010 uint8_t PRESInit=0;
00011 uint8_t UVInit=0;
00012 uint8_t HumTempInit=0;
00013 /*Global variables */
00014 uint8_t HumTempId=0;
00015 uint8_t PressID=0;
00016 int dec_precision = 2;
00017  volatile float UVI_Value;
00018  volatile float PRESSURE_Value;
00019  volatile float HUMIDITY_Value;
00020  volatile float TEMPERATURE_Value;
00021 void floatToInt(float in, int32_t *out_int, int32_t *out_dec, int32_t dec_prec);
00022 Serial pc(SERIAL_TX, SERIAL_RX);
00023  
00024 DigitalOut myled(LED1);
00025  
00026 int main() 
00027   {
00028   
00029   int mul = 1;
00030   for(int i = 0; i < dec_precision; i++)
00031      mul = mul*10;
00032      
00033   if(!BSP_HUM_TEMP_isInitialized()) {     
00034      BSP_HUM_TEMP_Init();     //This also Inits I2C interface from here.   
00035     }
00036   HumTempId = BSP_HUM_TEMP_ReadID();
00037     if(HumTempId==I_AM_HTS221){
00038         HumTempInit=1;
00039     }    
00040   /*End Temp Sensor Init*/
00041   
00042   /*Initialize the pressure sensors*/
00043   if(!BSP_PRESSURE_isInitialized()) {     
00044      BSP_PRESSURE_Init();     //This also Inits I2C interface from here.  
00045      PRESInit=1;
00046     }
00047   PressID = BSP_PRESSURE_ReadID();
00048  
00049   int32_t d1, d2, d3, d4;
00050     
00051   pc.printf("Hello World !\n");
00052   while(1) { 
00053       wait(1);
00054       
00055       if(BSP_HUM_TEMP_isInitialized()) 
00056       {
00057         BSP_HUM_TEMP_GetHumidity((float *)&HUMIDITY_Value);
00058         BSP_HUM_TEMP_GetTemperature((float *)&TEMPERATURE_Value);
00059         
00060         floatToInt(HUMIDITY_Value, &d1, &d2, mul);
00061         floatToInt(TEMPERATURE_Value, &d3, &d4, mul);
00062         pc.printf("H: %d.%02d    T: %d.%02d", d1, d2, d3, d4);
00063          
00064         }
00065         
00066         if(BSP_PRESSURE_isInitialized())
00067         {   
00068             BSP_PRESSURE_GetPressure((float *)&PRESSURE_Value);
00069             floatToInt(PRESSURE_Value, &d1, &d2, mul);
00070             pc.printf(" P: %d.%02d\n", d1, d2);
00071             
00072         }
00073         
00074         if(BSP_UV_isInitialized())
00075          {
00076             BSP_UV_GetIndex((float *)&UVI_Value);
00077             floatToInt(UVI_Value, &d1, &d2, mul);
00078             pc.printf("UV: %d.%02d\n", d1, d2);
00079          }
00080       
00081                   pc.printf("Done");
00082       myled = !myled;
00083   }
00084 }
00085 void floatToInt(float in, int32_t *out_int, int32_t *out_dec, int32_t dec_prec)
00086 {
00087     *out_int = (int32_t)in;
00088     in = in - (float)(*out_int);
00089     *out_dec = (int32_t)(in*dec_prec);
00090 }