Revision 3:d36591d51f4d, committed 2019-11-19

Comitter:

mcm

Date:

Tue Nov 19 18:54:52 2019 +0000

Parent:

2:d6cde3037eac

Commit message:

The driver was completed and tested ( NUCLEOL476RG ) and it works as expected.

Changed in this revision

--- a/HDC2080.cpp	Tue Nov 19 10:55:47 2019 +0000
+++ b/HDC2080.cpp	Tue Nov 19 18:54:52 2019 +0000
@@ -103,7 +103,7 @@
     aux      =   HDC2080_GetRawTemperature  ( &(*myTemperature) );
 
     /* Parse data   */
-    myTemperature->temperature  =   ( (double)( myTemperature->rawTemperature ) / 65536.0 ) * 165.0 - 40.0;
+    myTemperature->temperature  =   ( ( myTemperature->rawTemperature ) / 65536.0 ) * 165.0 - 40.0;
 
 
     return   aux;
@@ -184,7 +184,7 @@
     aux      =   HDC2080_GetRawHumidity  ( &(*myHumidity) );
 
     /* Parse data   */
-    myHumidity->humidity    =   ( (double)( myHumidity->rawHumidity ) / 65536.0 ) * 100.0;
+    myHumidity->humidity    =   ( ( myHumidity->rawHumidity ) / 65536.0 ) * 100.0;
 
 
     return   aux;

--- a/HDC2080.h	Tue Nov 19 10:55:47 2019 +0000
+++ b/HDC2080.h	Tue Nov 19 18:54:52 2019 +0000
@@ -22,7 +22,129 @@
 /**
     Example:
 @code
+#include "mbed.h"
+#include "HDC2080.h"
 
+HDC2080 myHDC2080 ( I2C_SDA, I2C_SCL, HDC2080::HDC2080_ADDRESS_GND, 400000 );
+Serial pc         ( USBTX, USBRX );
+
+DigitalOut  myled ( LED1 );
+Ticker      newReading;
+
+
+//@brief Variables.
+uint32_t    myState = 0;
+
+//@brief   FUNCTION PROTOTYPES
+void    changeDATA     ( void );
+
+
+//@brief FUNCTION FOR APPLICATION MAIN ENTRY.
+int main()
+{
+    HDC2080::HDC2080_data_t   myHDC2080_Data;
+    HDC2080::HDC2080_status_t aux;
+
+    pc.baud ( 115200 );
+
+    myled   =   1;
+    wait(3);
+    myled   =   0;
+
+    // Perform a software reset
+    aux  =   myHDC2080.HDC2080_SetSoftReset ();
+    do {
+        aux  =   myHDC2080.HDC2080_GetSoftReset ( &myHDC2080_Data );
+    } while( ( myHDC2080_Data.soft_res & HDC2080::RESET_DRDY_INT_CONF_SOFT_RES_MASK ) == HDC2080::RESET_DRDY_INT_CONF_SOFT_RES_RESET );
+
+    // Get Manufacturer IDs
+    aux  =   myHDC2080.HDC2080_GetManufacturerID ( &myHDC2080_Data );
+
+    // Get device IDs
+    aux  =   myHDC2080.HDC2080_GetDeviceID ( &myHDC2080_Data );
+    pc.printf( "Manufacturer ID: %x | Device ID: %x\r\n", myHDC2080_Data.manufacturer_id, myHDC2080_Data.device_id );
+
+    // Auto measurement mode: Disable (  Initiate measurement via I2C )
+    myHDC2080_Data.amm   =   HDC2080::RESET_DRDY_INT_CONF_AMM_DISABLED;
+    aux  =   myHDC2080.HDC2080_SetAutoMeasurementMode ( myHDC2080_Data );
+
+    // Heater off
+    myHDC2080_Data.heater_en     =   HDC2080::RESET_DRDY_INT_CONF_HEAT_EN_OFF;
+    aux  =   myHDC2080.HDC2080_SetHeaterMode ( myHDC2080_Data );
+
+    // DRDY/INT_EN pin configuration: High Z
+    myHDC2080_Data.drdy_intEn    =   HDC2080::RESET_DRDY_INT_CONF_DRDY_INT_EN_HIGH_Z;
+    aux  =   myHDC2080.HDC2080_SetHeaterMode ( myHDC2080_Data );
+
+    // All interrupts are disabled
+    myHDC2080_Data.drdy_enable  =    HDC2080::INTERRUPT_DRDY_DRDY_ENABLE_INTERRUPT_DISABLE;
+    myHDC2080_Data.th_enable    =    HDC2080::INTERRUPT_DRDY_TH_ENABLE_INTERRUPT_DISABLE;
+    myHDC2080_Data.tl_enable    =    HDC2080::INTERRUPT_DRDY_TL_ENABLE_INTERRUPT_DISABLE;
+    myHDC2080_Data.hh_enable    =    HDC2080::INTERRUPT_DRDY_HH_ENABLE_INTERRUPT_DISABLE;
+    myHDC2080_Data.hl_enable    =    HDC2080::INTERRUPT_DRDY_HL_ENABLE_INTERRUPT_DISABLE;
+    aux                         =    myHDC2080.HDC2080_SetInterruptConfiguration ( myHDC2080_Data );
+
+    // Measurement configuration: Humidity and Temperature 14-bit resolution. Both measurement enabled
+    myHDC2080_Data.tres         =    HDC2080::MEASUREMENT_CONF_TRES_14_BIT;
+    myHDC2080_Data.hres         =    HDC2080::MEASUREMENT_CONF_HRES_14_BIT;
+    myHDC2080_Data.meas_conf    =    HDC2080::MEASUREMENT_CONF_MEAS_CONF_HUMIDITY_TEMPERATURE;
+    aux                         =    myHDC2080.HDC2080_SetMeasurementConf ( myHDC2080_Data );
+
+    newReading.attach( &changeDATA, 1 );                                        // the address of the function to be attached ( changeDATA ) and the interval ( 1s )
+
+    // Let the callbacks take care of everything
+    while(1) {
+        sleep();
+
+        myled = 1;
+
+        if ( myState == 1 ) {
+            // Trigegr a new sample
+            aux  =   myHDC2080.HDC2080_StartMeasurementTrigger ();
+
+            // Wait until the conversion is finished
+            do {
+                aux      =   myHDC2080.HDC2080_GetMeasurementTrigger ( &myHDC2080_Data );
+            } while( ( myHDC2080_Data.meas_trig & HDC2080::MEASUREMENT_CONF_MEAS_TRIG_MASK ) != HDC2080::MEASUREMENT_CONF_MEAS_TRIG_NO_ACTION );  // [TODO] Dangerous!!! The uC may get stuck here if something goes wrong!
+                                                                                                                                // [WORKAROUND] Insert a counter.
+
+            // Get temperature
+            aux  =   myHDC2080.HDC2080_GetTemperature ( &myHDC2080_Data );
+
+            // Get humidity
+            aux  =   myHDC2080.HDC2080_GetHumidity ( &myHDC2080_Data );
+
+            // Transmit result over the UART
+            pc.printf( "T: %0.2f C | RH: %0.2f %%\r\n", myHDC2080_Data.temperature, myHDC2080_Data.humidity  );
+
+            myState  =   0;                                                     // Reset the variable
+        }
+
+        myled = 0;
+    }
+}
+
+// @brief       changeDATA ( void  )
+//
+// @details     It changes myState variable
+//
+// @param[in]    N/A
+//
+// @param[out]   N/A.
+//
+//
+// @return       N/A.
+//
+//
+// @author      Manuel Caballero
+// @date        19/November/2019
+// @version     19/November/2019   The ORIGIN
+// @pre         N/A
+// @warning     N/A.
+void changeDATA ( void )
+{
+    myState = 1;
+}
 @endcode
 */