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mikroSDK Library

Analog Mux click

Rating:

5

Author: MIKROE

Last Updated: 2020-05-13

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Port expander

Downloaded: 2255 times

Not followed.

License: MIT license  

Analog MUX click is a Click board that switches one of the sixteen inputs to one output. It employs the CD74HC4067, a High-Speed CMOS Logic 16-Channel Analog Multiplexer/Demultiplexer, produced by Texas Instruments.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Analog MUX click

Analog MUX click

Native view of the Analog MUX click board.

View full image
Analog MUX click

Analog MUX click

Front and back view of the Analog MUX click board.

View full image

Library Description

This library allows user to perform a control of the Analog Mux Click board. Also user can check the indication status from the charger to get charging state. Fault condition also can be checked. For more details check documentation.

Key functions:

  • float analogmux_get_voltage ( float adc_value ); - Function used for get voltage
  • void analogmux_set_channel ( uint8_t set_channel ); - Function used for set channel
  • void analogmux_set_adc_vref ( uint16_t vref_mV ); - Function used for set vref in millivolts

Examples description

The application is composed of three sections :

  • System Initialization - Initializes ADC module
  • Application Initialization - Initializes driver and adc, and set vref and channel.
  • Application Task - (code snippet) - Measures adc_value and voltage every 2 sec on set channel.
void application_task ( )
{
    uint8_t cnt = 0;
    float voltage = 0;
    float average_f = 0.0;
    volatile uint32_t average_value = 0;
    char demo_text[ 50 ];
    
    for( cnt = 0; cnt < 10; cnt++ )
    {
        average_value += analogmux_adc_read( );
    }
              
    average_f = average_value / 10.0;
    
    FloatToStr( average_f, demo_text );
    mikrobus_logWrite( "        ADC value: ", _LOG_TEXT );
    mikrobus_logWrite( demo_text, _LOG_LINE );
    
    voltage = analogmux_get_voltage( average_f );
    FloatToStr( voltage, demo_text );
    mikrobus_logWrite( "        Voltage: ", _LOG_TEXT );
    mikrobus_logWrite( demo_text, _LOG_LINE );
    Delay_ms( 2000 );
    
    mikrobus_logWrite( " <<< ------------------------ >>> ", _LOG_LINE );
}

Other mikroE Libraries used in the example:

  • ADC

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB 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.

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