Revision 3:1fc3a35d731a, committed 2019-05-31

Comitter:

mcm

Date:

Fri May 31 14:26:29 2019 +0000

Parent:

2:a975c212f502

Commit message:

The driver was completed and tested ( NUCLEO-L152RE ), it works as expected.

Changed in this revision

diff -r a975c212f502 -r 1fc3a35d731a HTS221.h
--- a/HTS221.h	Fri May 31 11:28:03 2019 +0000
+++ b/HTS221.h	Fri May 31 14:26:29 2019 +0000
@@ -22,7 +22,129 @@
 /**
     Example:
 @code
+#include "mbed.h"
+#include "HTS221.h"
 
+HTS221 myHTS221   ( I2C_SDA, I2C_SCL, HTS221::HTS221_ADDRESS, 400000 );         // I2C_SDA | I2C_SCL
+Serial pc         ( USBTX, USBRX );                                             // tx, rx
+
+DigitalOut  myled   ( LED1 );
+Ticker      newAction;
+
+
+//@brief Constants.
+
+
+//@brief Variables.
+volatile uint32_t myState;                                                      //   State that indicates when to perform a new sample  
+
+
+// @brief   FUNCTION PROTOTYPES
+void    changeDATA     ( void );
+
+
+//@brief FUNCTION FOR APPLICATION MAIN ENTRY.
+int main()
+{
+    HTS221::HTS221_status_t aux;
+    HTS221::HTS221_data_t   myHTS221_Data;
+
+    pc.baud ( 115200 );
+
+
+    myled   =   1;
+    wait(3);
+    myled   =   0;
+
+    // Get device ID  
+    aux  =   myHTS221.HTS221_GetDeviceID ( &myHTS221_Data );
+
+    // Boot the device   
+    aux  =   myHTS221.HTS221_SetBoot ();
+
+    // Set device in ACTIVE mode  
+    aux  =   myHTS221.HTS221_SetPowerDown ( HTS221::CTRL_REG1_PD_ACTIVE_MODE );
+
+    // Get calibration coefficients  
+    aux  =   myHTS221.HTS221_GetCalibrationCoefficients ( &myHTS221_Data );
+
+    // Output registers not updated until MSB and LSB reading  
+    myHTS221_Data.bdu  =   HTS221::CTRL_REG1_BDU_DEFAULT_MODE;
+    aux  =   myHTS221.HTS221_SetBlockDataUpdate ( myHTS221_Data );
+
+    // Set resolution: 16 AVGT, 32 AVGH  
+    myHTS221_Data.temperatureResolution  =   HTS221::AV_CONF_AVGT_16;
+    myHTS221_Data.humidityResolution     =   HTS221::AV_CONF_AVGH_32;
+    aux  =   myHTS221.HTS221_SetResolution ( myHTS221_Data );
+
+    // ODR  
+    myHTS221_Data.odr  =   HTS221::CTRL_REG1_ODR_ONE_SHOT;
+    aux  =   myHTS221.HTS221_SetOutputDataRate ( myHTS221_Data );
+
+
+    myState  =   0UL;                                                           // Reset the variable
+    newAction.attach( &changeDATA, 1U );                                        // the address of the function to be attached ( changeDATA ) and the interval ( 1s )
+
+
+    // Let the callbacks take care of everything
+    while(1) {
+        sleep();
+
+        if ( myState == 1UL ) {
+            myled = 1U;
+
+            // Trigger to get a new data value  
+            aux  =   myHTS221.HTS221_SetOneShot ();
+
+            // Wait until there is a new data  
+            do {
+                aux  =   myHTS221.HTS221_GetOneShot ( &myHTS221_Data );
+            } while( myHTS221_Data.one_shot == HTS221::CTRL_REG2_ONE_SHOT_WAITING );
+
+
+            aux  =   myHTS221.HTS221_GetCalibrationCoefficients ( &myHTS221_Data );
+
+            // Get temperature  
+            do {
+                aux  =   myHTS221.HTS221_GetTemperatureDataAvailable ( &myHTS221_Data );
+            } while( myHTS221_Data.t_da == HTS221::STATUS_REGISTER_T_DA_DATA_NOT_AVAILABLE );
+
+            aux  =   myHTS221.HTS221_GetTemperature ( &myHTS221_Data );
+
+            // Get humidity  
+            aux  =   myHTS221.HTS221_GetHumidity ( &myHTS221_Data );
+
+            // Send data through the UART    
+            pc.printf ( "T: %0.1f C, RH: %0.1f %%\r\n", myHTS221_Data.temperature, myHTS221_Data.humidity );
+
+
+            // Reset the variables   
+            myState  =   0UL;
+            myled    =   0U;
+        }
+    }
+}
+
+
+ // @brief       changeDATA ( void  )
+ //
+ // @details     It changes myState variable
+ //
+ // @param[in]    N/A
+ //
+ // @param[out]   N/A.
+ //
+ // @return       N/A.
+ //
+ // @author      Manuel Caballero
+ // @date        31/May/2019
+ // @version     31/May/2019   The ORIGIN
+ // @pre         N/A
+ // @warning     N/A.
+void changeDATA ( void )
+{
+    myState  =   1UL;
+}
 @endcode
 */