Manuel Caballero
Digital Humidity Sensor
Revision 3:42e11b9135b5, committed 2021-04-26
- Comitter:
- mcm
- Date:
- Mon Apr 26 11:22:46 2021 +0000
- Parent:
- 2:870701ee67c4
- Commit message:
- The driver was completed and tested (NUCLEO-L152RE), it works as expected.
Changed in this revision
| SHT3X.cpp | Show annotated file Show diff for this revision Revisions of this file |
| SHT3X.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r 870701ee67c4 -r 42e11b9135b5 SHT3X.cpp --- a/SHT3X.cpp Thu Mar 25 20:24:25 2021 +0000 +++ b/SHT3X.cpp Mon Apr 26 11:22:46 2021 +0000 @@ -55,8 +55,8 @@ uint32_t aux; /* Write the register */ - cmd[0] = (uint8_t)( mode >> 8U ); - cmd[1] = (uint8_t)( mode & 0xFF ); + cmd[0] = ( mode >> 8U ); + cmd[1] = ( mode & 0xFF ); aux = _i2c.write ( _SHT3X_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); @@ -152,8 +152,8 @@ uint32_t aux; /* Write the register */ - cmd[0] = (uint8_t)( SHT3X_PERIODIC_MESUREMENT_WITH_ART >> 8U ); - cmd[1] = (uint8_t)( SHT3X_PERIODIC_MESUREMENT_WITH_ART & 0xFF ); + cmd[0] = ( SHT3X_PERIODIC_MESUREMENT_WITH_ART >> 8U ); + cmd[1] = ( SHT3X_PERIODIC_MESUREMENT_WITH_ART & 0xFF ); aux = _i2c.write ( _SHT3X_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); @@ -192,8 +192,8 @@ uint32_t aux; /* Write the register */ - cmd[0] = (uint8_t)( SHT3X_BREAK >> 8U ); - cmd[1] = (uint8_t)( SHT3X_BREAK & 0xFF ); + cmd[0] = ( SHT3X_BREAK >> 8U ); + cmd[1] = ( SHT3X_BREAK & 0xFF ); aux = _i2c.write ( _SHT3X_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); @@ -232,8 +232,8 @@ uint32_t aux; /* Write the register */ - cmd[0] = (uint8_t)( SHT3X_SOFT_RESET >> 8U ); - cmd[1] = (uint8_t)( SHT3X_SOFT_RESET & 0xFF ); + cmd[0] = ( SHT3X_SOFT_RESET >> 8U ); + cmd[1] = ( SHT3X_SOFT_RESET & 0xFF ); aux = _i2c.write ( _SHT3X_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); @@ -272,8 +272,8 @@ uint32_t aux; /* Write the register */ - cmd = SHT3X_GENERAL_CALL_RESET_SECOND_BYTE; - aux = _i2c.write ( SHT3X_GENERAL_CALL_RESET_ADDRESS_BYTE, &cmd, 1U, false ); + cmd = SHT3X_GENERAL_CALL_RESET_SECOND_BYTE; + aux = _i2c.write ( SHT3X_GENERAL_CALL_RESET_ADDRESS_BYTE, &cmd, 1U, false ); @@ -312,8 +312,8 @@ uint32_t aux; /* Write the register */ - cmd[0] = (uint8_t)( heater >> 8U ); - cmd[1] = (uint8_t)( heater & 0xFF ); + cmd[0] = ( heater >> 8U ); + cmd[1] = ( heater & 0xFF ); aux = _i2c.write ( _SHT3X_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); @@ -352,8 +352,8 @@ uint32_t aux = SHT3X_SUCCESS; /* Write the register */ - cmd[0] = (uint8_t)( SHT3X_STATUS_REGISTER >> 8U ); - cmd[1] = (uint8_t)( SHT3X_STATUS_REGISTER & 0xFF ); + cmd[0] = ( SHT3X_STATUS_REGISTER >> 8U ); + cmd[1] = ( SHT3X_STATUS_REGISTER & 0xFF ); aux |= _i2c.write ( _SHT3X_Addr, &cmd[0], 2U, true ); /* Read the register */ @@ -403,8 +403,8 @@ uint32_t aux; /* Write the register */ - cmd[0] = (uint8_t)( SHT3X_CLEAR_STATUS_REGISTER >> 8U ); - cmd[1] = (uint8_t)( SHT3X_CLEAR_STATUS_REGISTER & 0xFF ); + cmd[0] = ( SHT3X_CLEAR_STATUS_REGISTER >> 8U ); + cmd[1] = ( SHT3X_CLEAR_STATUS_REGISTER & 0xFF ); aux = _i2c.write ( _SHT3X_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); @@ -444,8 +444,8 @@ uint32_t aux; /* Write the register */ - cmd[0] = (uint8_t)( mo >> 8U ); - cmd[1] = (uint8_t)( mo & 0xFF ); + cmd[0] = ( mo >> 8U ); + cmd[1] = ( mo & 0xFF ); aux = _i2c.write ( _SHT3X_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); @@ -485,8 +485,8 @@ uint32_t aux; /* Write the register */ - cmd[0] = (uint8_t)( SHT3X_FETCH_DATA >> 8U ); - cmd[1] = (uint8_t)( SHT3X_FETCH_DATA & 0xFF ); + cmd[0] = ( SHT3X_FETCH_DATA >> 8U ); + cmd[1] = ( SHT3X_FETCH_DATA & 0xFF ); aux = _i2c.write ( _SHT3X_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), true ); /* Read the register */
diff -r 870701ee67c4 -r 42e11b9135b5 SHT3X.h
--- a/SHT3X.h Thu Mar 25 20:24:25 2021 +0000
+++ b/SHT3X.h Mon Apr 26 11:22:46 2021 +0000
@@ -23,7 +23,104 @@
Example:
@code
+#include "mbed.h"
+#include "SHT3X.h"
+SHT3X mySHT3X ( I2C_SDA, I2C_SCL, SHT3X::SHT3X_ADDRESS_B, 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()
+{
+ SHT3X::SHT3X_status_t aux;
+ SHT3X::SHT3X_data_t mySHT3X_Data;
+
+ pc.baud ( 115200 );
+
+ myled = 1;
+ wait(3);
+ myled = 0;
+
+ // Set a software reset
+ aux = mySHT3X.SHT3X_SetSoftReset ();
+ wait_ms(2U);
+
+ // Clear the STATUS register
+ aux = mySHT3X.SHT3X_ClearStatus ();
+
+ // Disable the Heater
+ aux = mySHT3X.SHT3X_SetHeater ( SHT3X::SHT3X_HEATER_DISABLE );
+
+ // Do not perform periodic measurement
+ aux = mySHT3X.SHT3X_SetBreakCommand ();
+
+ 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 set, no clock stretching and repeatibility high
+ aux = mySHT3X.SHT3X_OneShotTriggerAllData ( SHT3X::SHT3X_CLOCK_STRETCHING_DISABLED_REPEATABILITY_HIGH );
+ wait_ms(15U);
+
+ // Get all the data
+ aux = mySHT3X.SHT3X_OneShotGetAllRawData ( &mySHT3X_Data.rawData );
+
+
+ // Process all the data
+ mySHT3X.SHT3X_ProccessData ( mySHT3X_Data.rawData, &mySHT3X_Data.data );
+
+ // Send data through the UART
+ pc.printf ( "T: %0.2f C, RH: %0.2f %%\r\n", mySHT3X_Data.data.temperature, mySHT3X_Data.data.relativeHumidity );
+
+
+ // 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 25/March/2021
+// @version 25/March/2021 The ORIGIN
+// @pre N/A
+// @warning N/A.
+void changeDATA ( void )
+{
+ myState = 1UL;
+}
@endcode
*/