TOP Contributors

  1. MIKROE (2784 codes)
  2. Alcides Ramos (405 codes)
  3. Shawon Shahryiar (307 codes)
  4. jm_palomino (133 codes)
  5. Bugz Bensce (97 codes)
  6. S P (73 codes)
  7. dany (71 codes)
  8. MikroBUS.NET Team (35 codes)
  9. NART SCHINACKOW (34 codes)
  10. Armstrong Subero (27 codes)

Most Downloaded

  1. Timer Calculator (141914 times)
  2. FAT32 Library (75062 times)
  3. Network Ethernet Library (59357 times)
  4. USB Device Library (49352 times)
  5. Network WiFi Library (45169 times)
  6. FT800 Library (44736 times)
  7. GSM click (31307 times)
  8. mikroSDK (30271 times)
  9. microSD click (27689 times)
  10. PID Library (27577 times)
Libstock prefers package manager

Package Manager

We strongly encourage users to use Package manager for sharing their code on Libstock website, because it boosts your efficiency and leaves the end user with no room for error. [more info]

< Back
mikroSDK Library

HVAC Click

Rating:

0

Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.10

mikroSDK Library: 2.0.0.0

Category: Environmental

Downloaded: 363 times

Not followed.

License: MIT license  

HVAC Click is a compact add-on board that contains Sensirion’s next-generation miniature CO2 sensor. This board features the SCD41, a carbon dioxide sensor build on the photoacoustic sensing principle, and Sensirion’s patented PASens® and CMOSens® technology to offer high accuracy at a minor form factor.

No Abuse Reported

Do you want to subscribe in order to receive notifications regarding "HVAC Click" changes.

Do you want to unsubscribe in order to stop receiving notifications regarding "HVAC Click" changes.

Do you want to report abuse regarding "HVAC Click".

  • mikroSDK Library 1.0.0.0
  • Comments (0)

mikroSDK Library Blog


HVAC Click

HVAC Click is a compact add-on board that contains Sensirion’s next-generation miniature CO2 sensor. This board features the SCD41, a carbon dioxide sensor build on the photoacoustic sensing principle, and Sensirion’s patented PASens® and CMOSens® technology to offer high accuracy at a minor form factor.

hvac_click.png

Click Product page


Click library

  • Author : Stefan Ilic
  • Date : Oct 2021.
  • Type : I2C type

Software Support

We provide a library for the Hvac Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for Hvac Click driver.

Standard key functions :

  • hvac_cfg_setup Config Object Initialization function.

    void hvac_cfg_setup ( hvac_cfg_t *cfg );
  • hvac_init Initialization function.

    err_t hvac_init ( hvac_t *ctx, hvac_cfg_t *cfg );

Example key functions :

  • hvac_sps30_start_measurement SPS30 start measurement command function.

    void hvac_sps30_start_measurement ( hvac_t *ctx );
  • hvac_sps30_get_ready_flag SPS30 get ready flag function.

    uint8_t hvac_sps30_get_ready_flag ( hvac_t *ctx );
  • hvac_sps30_read_measured_data SPS30 read measured data function.

    void hvac_sps30_read_measured_data ( hvac_t *ctx, mass_and_num_cnt_data_t *m_n_c_data );

Example Description

This is an example that demonstrates the use of the HVAC Click board.

The demo application is composed of two sections :

Application Init

Initialization driver enables - I2C, SCD40: perform factory reset, serial number, features, product type platform type, product version and SPS30: perform start measurement mode, also write log.


void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    hvac_cfg_t hvac_cfg;  /**< Click config object. */

    /** 
     * Logger initialization.
     * Default baud rate: 115200
     * Default log level: LOG_LEVEL_DEBUG
     * @note If USB_UART_RX and USB_UART_TX 
     * are defined as HAL_PIN_NC, you will 
     * need to define them manually for log to work. 
     * See @b LOG_MAP_USB_UART macro definition for detailed explanation.
     */
    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, " Application Init " );

    // Click initialization.
    hvac_cfg_setup( &hvac_cfg );
    HVAC_MAP_MIKROBUS( hvac_cfg, MIKROBUS_1 );
    if ( I2C_MASTER_ERROR == hvac_init( &hvac, &hvac_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    log_info( &logger, " Application Task " );
    Delay_ms ( 1000 );
    hvac_scd40_send_cmd( &hvac, HVAC_PERFORM_FACTORY_RESET );
    log_printf( &logger, "  Perform Factory Reset   \r\n" );
    log_printf( &logger, "--------------------------\r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );

    hvac_scd40_get_serial_number ( &hvac, ser_num );
    log_printf( &logger, "   SCD40 - Serial Number : %.4d-%.4d-%.4d \r\n", 
                ( uint16_t ) ser_num[ 0 ], ( uint16_t ) ser_num[ 1 ], ( uint16_t ) ser_num[ 2 ] );
    log_printf( &logger, "--------------------------\r\n" );
    Delay_ms ( 100 );
    hvac_scd40_get_feature_set_version( &hvac, &version_data );
    log_printf( &logger, "     SCD40 - Features     \r\n" );
    log_printf( &logger, " Product Type    : %d \r\n", ( uint16_t ) version_data.product_type );
    log_printf( &logger, " Platform Type   : %d \r\n", ( uint16_t ) version_data.platform_type );
    log_printf( &logger, " Product Version : %d.%d \r\n", 
                ( uint16_t ) version_data.product_major_version, 
                ( uint16_t ) version_data.product_minor_version );
    log_printf( &logger, "--------------------------\r\n" );
    Delay_ms ( 100 );

    hvac_sps30_start_measurement ( &hvac );
    Delay_ms ( 100 );
}

Application Task

This is an example which demonstrates the use of HVAC Click board. HVAC Click board can be used to measure : Concentration of CO2 in air, Temperature ( degree Celsius ), Relative Humidity ( % ), Mass Concentration of PM1.0, PM2.5, PM4.0, PM10 and Number Concentration of PM0.5, PM1.0, PM2.5, PM4.0 and PM10. All data logs write on USB uart changes.


void application_task ( void ) 
{
    hvac_scd40_send_cmd( &hvac, HVAC_MEASURE_SINGLE_SHOT );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );

    hvac_scd40_read_measurement( &hvac, &hvac_data );
    Delay_ms ( 100 );

    log_printf( &logger, " CO2 Concent = %d \r\n ", hvac_data.co2_concent );

    log_printf( &logger, " Temperature = %.2f C \r\n", hvac_data.temperature );

    log_printf( &logger, " R. Humidity = %.2f %% \r\n", hvac_data.r_humidity );
    log_printf( &logger, "- - - - - - - - - - - - -  \r\n" );

    while ( HVAC_SPS30_NEW_DATA_IS_READY != hvac_sps30_get_ready_flag( &hvac ) );


    log_printf( &logger, "   Mass Concentration :   \r\n" );
    hvac_sps30_read_measured_data( &hvac, &sps30_data );
    Delay_ms ( 100 );

    log_printf( &logger, " PM 1.0 = %.2f ug/m3 \r\n", sps30_data.mass_pm_1_0 );
    log_printf( &logger, " PM 2.5 = %.2f ug/m3 \r\n", sps30_data.mass_pm_2_5 );
    log_printf( &logger, " PM 4.0 = %.2f ug/m3 \r\n", sps30_data.mass_pm_4_0 );
    log_printf( &logger, " PM 10  = %.2f ug/m3 \r\n", sps30_data.mass_pm_10 );
    log_printf( &logger, "-   -   -   -   -   -   - \r\n" );

    log_printf( &logger, "  Number Concentration :  \r\n" );
    log_printf( &logger, " PM 0.5 = %.2f n/cm3 \r\n", sps30_data.num_pm_0_5 );
    log_printf( &logger, " PM 1.0 = %.2f n/cm3 \r\n", sps30_data.num_pm_1_0 );
    log_printf( &logger, " PM 2.5 = %.2f n/cm3 \r\n", sps30_data.num_pm_2_5 );
    log_printf( &logger, " PM 4.0 = %.2f n/cm3 \r\n", sps30_data.num_pm_4_0 );
    log_printf( &logger, " PM 10  = %.2f n/cm3 \r\n", sps30_data.num_pm_10 );
    log_printf( &logger, "--------------------------\r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Hvac

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. UART terminal is available in all MikroElektronika compilers.


ALSO FROM THIS AUTHOR

I2C Isolator click

5

I2C Isolator click carries ISO1540, a low-power, bidirectional isolator compatible with I2C interfaces.

[Learn More]

Brushless 23 Click

0

Brushless 23 Click is a compact add-on board suitable for controlling BLDC motors with any MCU. This board features the TC78B011FTG, a three-phase sine-wave PWM pre-driver realized with six external MOSFETs to drive sensorless brushless motors from Toshiba Semiconductor. Some of the main features are a built-in closed-loop speed control function with internal non-volatile memory (NVM) for speed profile setting and the ability to set other features such as rotation direction selection, brake, Standby mode, and others. It also has a wide operating voltage range of 11V to 27V with an output current capacity of 5A and several built-in error detection circuits.

[Learn More]

SAML Touch Click

0

SAML Touch Click is a Click board™ equipped with two capacitive touch pads and one capacitive slider.

[Learn More]