Library Description

The library covers all the necessary functions to control Pressure 13 click board.

Key functions:

• void pressure13_gpio_driver_init( pressure13_obj_t gpio_obj ) - Function initializes GPIO driver for the desired MIKROBUS1.

Examples description

The application is composed of three sections :

• System Initialization - Initializes GPIO and start to write log.
• Application Initialization - Initialization driver enables - GPIO, initializes ADC, also write log.
• Application Task - (code snippet) This is an example which demonstrates the use of Pressure 13 Click board. Measured and display ADC, Vout ( V ) and pressure data ( mBar ). Results are being sent to the Usart Terminal where you can track their changes. All data logs on usb uart for aproximetly every 5 sec.

  void application_task ( )
  {
      adc_value = pressure13_adc_read( );
      
      WordToStr( adc_value, log_text );
      Ltrim( log_text );
      mikrobus_logWrite( " ADC     : ", _LOG_TEXT );
      mikrobus_logWrite( log_text, _LOG_LINE );
  
      calculate_pressure( );
      
      FloatToStr( v_out, log_text );
      mikrobus_logWrite( " Vout    : ", _LOG_TEXT );
      mikrobus_logWrite( log_text, _LOG_TEXT );
      mikrobus_logWrite( " V", _LOG_LINE );
      
      FloatToStr( pressure, log_text );
      mikrobus_logWrite( " Pressure: ", _LOG_TEXT );
      mikrobus_logWrite( log_text, _LOG_TEXT );
      mikrobus_logWrite( " mBar", _LOG_LINE );
      mikrobus_logWrite( "-------------------------", _LOG_LINE );
      Delay_ms( 5000 );
  }
  

• void calculate_pressure ( void ) - Calculate Voltage Reference and Pressure.

Other mikroE Libraries used in the example:

• ADC
• UART
• Conversions

Additional notes and informations

Depending on the development board you are using, you may need USB UART click, USB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.