main.c

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/**
 * @file main.c
 * @ingroup ccs811
 * @author Jason Duffy
 * @date 15th March 2022
 * @brief Example main routine to demonstrate taking readings using the CCS811
 * gas sensor.  
 * @bug No known bugs. 
 * @see
 */
 
#include <util/delay.h>
#include "ccs811.h"
#include "log_system.h"
 
static const char *p_system_tag = "MAIN";
 
static uint16_t eco2 = 0;
static uint16_t etvoc = 0;
 
ccs811_config_t ccs811_config =
{
    .drive_mode = drive_mode_1sec,
    .wake_pin_enabled = true,
    .interrupt_dataready = false,
    .interrupt_threshold = false,
};
 
int main()
{
    // Setup
    init_log_system();
    uint8_t error = init_ccs811(&ccs811_config);
    log_message_with_dec_val(p_system_tag, ERROR,
                            "CCS81 init return code: ", error);
    // Loop forever
    for(;;)
    {
        if(ccs811_data_ready_check())
        {
            eco2 = ccs811_get_eco2_level();
            log_message_with_16bit_dec_val(p_system_tag, DEBUG, "eCo2 Level: ", eco2);
        
            etvoc = ccs811_get_etvoc_level();
            log_message_with_16bit_dec_val(p_system_tag, DEBUG, "eTVOC Level: ", etvoc);
        }
    }
}