Deepti AST / Envt_Shield_API

Evironmental Shield API

Envt_Shield_F4_API.cpp@0:9ac219c9a7df, 2014-08-14 (annotated)

Committer:
Deepti
Date:
Thu Aug 14 11:39:55 2014 +0000
Revision:
0:9ac219c9a7df
Child:
1:d37d15b70bc5
Environmental Shield API

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Deepti 0:9ac219c9a7df 1 #include "nucleo-f401re.h"
Deepti 0:9ac219c9a7df 2 #include "x_nucleo_ike01x1_pressure.h"
Deepti 0:9ac219c9a7df 3 #include "x_nucleo_ike01x1_uv.h"
Deepti 0:9ac219c9a7df 4 #include "x_nucleo_ike01x1_hum_temp.h"
Deepti 0:9ac219c9a7df 5 #include "Envt_Shield_F4_API.h"
Deepti 0:9ac219c9a7df 6
Deepti 0:9ac219c9a7df 7 uint8_t PRESInit=0;
Deepti 0:9ac219c9a7df 8 uint8_t UVInit=0;
Deepti 0:9ac219c9a7df 9 uint8_t HumTempInit=0;
Deepti 0:9ac219c9a7df 10 /*Global variables */
Deepti 0:9ac219c9a7df 11 uint8_t HumTempId=0;
Deepti 0:9ac219c9a7df 12 uint8_t PressID=0;
Deepti 0:9ac219c9a7df 13 int dec_precision = 2;
Deepti 0:9ac219c9a7df 14 volatile float UVI_Value;
Deepti 0:9ac219c9a7df 15 volatile float PRESSURE_Value;
Deepti 0:9ac219c9a7df 16 volatile float HUMIDITY_Value;
Deepti 0:9ac219c9a7df 17 volatile float TEMPERATURE_Value;
Deepti 0:9ac219c9a7df 18 void floatToInt(float in, int32_t *out_int, int32_t *out_dec, int32_t dec_prec);
Deepti 0:9ac219c9a7df 19 Serial pc(SERIAL_TX, SERIAL_RX);
Deepti 0:9ac219c9a7df 20
Deepti 0:9ac219c9a7df 21 DigitalOut myled(LED1);
Deepti 0:9ac219c9a7df 22
Deepti 0:9ac219c9a7df 23 void Envt_Shield_API:: floatToInt(float in, int32_t *out_int, int32_t *out_dec, int32_t dec_prec)
Deepti 0:9ac219c9a7df 24 {
Deepti 0:9ac219c9a7df 25 *out_int = (int32_t)in;
Deepti 0:9ac219c9a7df 26 in = in - (float)(*out_int);
Deepti 0:9ac219c9a7df 27 *out_dec = (int32_t)(in*dec_prec);
Deepti 0:9ac219c9a7df 28 }
Deepti 0:9ac219c9a7df 29
Deepti 0:9ac219c9a7df 30 void Envt_Shield_API:: init()
Deepti 0:9ac219c9a7df 31 {
Deepti 0:9ac219c9a7df 32 int mul = 1;
Deepti 0:9ac219c9a7df 33 for(int i = 0; i < dec_precision; i++)
Deepti 0:9ac219c9a7df 34 mul = mul*10;
Deepti 0:9ac219c9a7df 35
Deepti 0:9ac219c9a7df 36 if(!BSP_HUM_TEMP_isInitialized()) {
Deepti 0:9ac219c9a7df 37 BSP_HUM_TEMP_Init(); //This also Inits I2C interface from here.
Deepti 0:9ac219c9a7df 38 }
Deepti 0:9ac219c9a7df 39 HumTempId = BSP_HUM_TEMP_ReadID();
Deepti 0:9ac219c9a7df 40 if(HumTempId==I_AM_HTS221){
Deepti 0:9ac219c9a7df 41 HumTempInit=1;
Deepti 0:9ac219c9a7df 42 }
Deepti 0:9ac219c9a7df 43 /*End Temp Sensor Init*/
Deepti 0:9ac219c9a7df 44
Deepti 0:9ac219c9a7df 45 /*Initialize the pressure sensors*/
Deepti 0:9ac219c9a7df 46 if(!BSP_PRESSURE_isInitialized()) {
Deepti 0:9ac219c9a7df 47 BSP_PRESSURE_Init(); //This also Inits I2C interface from here.
Deepti 0:9ac219c9a7df 48 PRESInit=1;
Deepti 0:9ac219c9a7df 49 }
Deepti 0:9ac219c9a7df 50 PressID = BSP_PRESSURE_ReadID();
Deepti 0:9ac219c9a7df 51
Deepti 0:9ac219c9a7df 52 int32_t d1, d2, d3, d4;
Deepti 0:9ac219c9a7df 53
Deepti 0:9ac219c9a7df 54 pc.printf("Hello World !\n");
Deepti 0:9ac219c9a7df 55 while(1) {
Deepti 0:9ac219c9a7df 56 wait(1);
Deepti 0:9ac219c9a7df 57
Deepti 0:9ac219c9a7df 58 if(BSP_HUM_TEMP_isInitialized())
Deepti 0:9ac219c9a7df 59 {
Deepti 0:9ac219c9a7df 60 BSP_HUM_TEMP_GetHumidity((float *)&HUMIDITY_Value);
Deepti 0:9ac219c9a7df 61 BSP_HUM_TEMP_GetTemperature((float *)&TEMPERATURE_Value);
Deepti 0:9ac219c9a7df 62
Deepti 0:9ac219c9a7df 63 floatToInt(HUMIDITY_Value, &d1, &d2, mul);
Deepti 0:9ac219c9a7df 64 floatToInt(TEMPERATURE_Value, &d3, &d4, mul);
Deepti 0:9ac219c9a7df 65 pc.printf("H: %d.%02d T: %d.%02d", d1, d2, d3, d4);
Deepti 0:9ac219c9a7df 66
Deepti 0:9ac219c9a7df 67 }
Deepti 0:9ac219c9a7df 68
Deepti 0:9ac219c9a7df 69 if(BSP_PRESSURE_isInitialized())
Deepti 0:9ac219c9a7df 70 {
Deepti 0:9ac219c9a7df 71 BSP_PRESSURE_GetPressure((float *)&PRESSURE_Value);
Deepti 0:9ac219c9a7df 72 floatToInt(PRESSURE_Value, &d1, &d2, mul);
Deepti 0:9ac219c9a7df 73 pc.printf(" P: %d.%02d\n", d1, d2);
Deepti 0:9ac219c9a7df 74
Deepti 0:9ac219c9a7df 75 }
Deepti 0:9ac219c9a7df 76
Deepti 0:9ac219c9a7df 77 if(BSP_UV_isInitialized())
Deepti 0:9ac219c9a7df 78 {
Deepti 0:9ac219c9a7df 79 BSP_UV_GetIndex((float *)&UVI_Value);
Deepti 0:9ac219c9a7df 80 floatToInt(UVI_Value, &d1, &d2, mul);
Deepti 0:9ac219c9a7df 81 pc.printf("UV: %d.%02d\n", d1, d2);
Deepti 0:9ac219c9a7df 82 }
Deepti 0:9ac219c9a7df 83
Deepti 0:9ac219c9a7df 84 pc.printf("Done");
Deepti 0:9ac219c9a7df 85 myled = !myled;
Deepti 0:9ac219c9a7df 86
Deepti 0:9ac219c9a7df 87 }
Deepti 0:9ac219c9a7df 88 }