2024-06-09 14:34:41 -07:00

61 lines
1.3 KiB
C++

/// © MiroZ 2024
#include <esp_log.h>
#include "Bme68x.h"
static const char *TAG = "Bme68x";
#define MEAS_DUR 140
#define NEW_GAS_MEAS (BME68X_GASM_VALID_MSK | BME68X_HEAT_STAB_MSK | BME68X_NEW_DATA_MSK)
Bme68x::Bme68x(TwoWire & bus) : m_bus(bus)
{
m_sensor = new MyLibs::Bme68x();
}
bool Bme68x::init()
{
m_sensor->begin(0x77, m_bus);
m_sensor->setTPH();
uint16_t tempProf[10] = { 320, 100, 100, 100, 200, 200, 200, 320, 320, 320 };
/* Multiplier to the shared heater duration */
uint16_t mulProf[10] = { 5, 2, 10, 30, 5, 5, 5, 5, 5, 5 };
/* Shared heating duration in milliseconds */
uint16_t sharedHeatrDur = MEAS_DUR - (m_sensor->getMeasDur(BME68X_PARALLEL_MODE) / 1000);
ESP_LOGI(TAG, "sharedHeatrDur:%d", sharedHeatrDur);
m_sensor->setHeaterProf(tempProf, mulProf, sharedHeatrDur, 10);
m_sensor->setOpMode(BME68X_PARALLEL_MODE);
m_operational = m_sensor->checkStatus() == BME68X_OK;
return m_operational;
}
void Bme68x::read()
{
MyLibs::bme68xData bdata;
uint8_t left;
if(m_sensor->fetchData() > 0)
{
do
{
left = m_sensor->getData(bdata);
if (bdata.status == NEW_GAS_MEAS)
{
ESP_LOGI(TAG, "temp: %f", bdata.temperature);
ESP_LOGI(TAG, " hum: %f", bdata.humidity);
ESP_LOGI(TAG, "gres: %f", bdata.gas_resistance);
ESP_LOGI(TAG, " ix: %d", bdata.gas_index);
}
} while(left > 0);
}
}