mass_flow_meter.h

Go to the documentation of this file.

 
#pragma once
 
#include <Arduino.h>
bool MFM_init(void);
 
int32_t MFM_read_milliliters(bool reset_after_read);
 
int32_t MFM_expi_read_milliliters(bool reset_after_read);
 
void MFM_reset(void);
 
int8_t MFM_calibrateZero(void);
 
#define MFM_CALIBRATION_OK 0
#define MFM_CALIBRATION_IMPOSSIBLE 1
#define MFM_CALIBRATION_OUT_OF_RANGE 2
 
int32_t MFM_getOffset(void);
 
int32_t MFM_read_airflow(void);
 
int32_t MFM_expi_read_airflow(void);
 
uint32_t MFM_read_serial_number(void);
 
uint32_t MFM_expi_read_serial_number(void);
 
#define MFM_SFM_3300D_I2C_ADDRESS 0x40
#define MFM_HONEYWELL_HAF_I2C_ADDRESS 0x49
#define MFM_SDP703_02_I2C_ADDRESS 0x40
#define MFM_SFM3019_I2C_ADDRESS 0x2E
 
// exposed for other peripherals sharing I2C bus pause the timer.
extern volatile uint16_t MFM_force_release_I2C;
#define MFM_FORCE_RELEASE_I2C_TRUE 0xb00b
#define MFM_FORCE_RELEASE_I2C_FALSE 0