SM_PWM_01C Device Driver. More...

Detailed Description

SM_PWM_01C Device Driver.

Author: Francisco Molina franc.nosp@m.ois-.nosp@m.xavie.nosp@m.r.mo.nosp@m.lina@.nosp@m.inri.nosp@m.a.fr

Definition in file sm_pwm_01c.h.

#include <inttypes.h>
#include "timex.h"
#include "ztimer.h"
#include "periph/gpio.h"

Include dependency graph for sm_pwm_01c.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	circ_buf_t
	Circular buffer holding moving average values. More...

struct	sm_pwm_01c_params_t
	Parameters for the SM_PWM_01c sensor. More...

struct	sm_pwm_01c_data_t
	LPO and concentration (ug/m3) values for small and large particles. More...

struct	sm_pwm_01c_values_t
	LPO and concentration (ug/m3) values for small and large particles. More...

struct	sm_pwm_01c_t
	Device descriptor for the SM_PWM_01c sensor. More...

Macros
#define	CONFIG_SM_PWM_01C_SAMPLE_TIME (100 * US_PER_MS)
	Frequency at witch LPO % is calculated.

#define	CONFIG_SM_PWM_01C_WINDOW_TIME (10 * US_PER_SEC)
	Length in time of the measuring window, recommended 5-30s.

#define	SM_PWM_01C_BUFFER_LEN
	Length in time of the measuring window.

Functions
int	sm_pwm_01c_init (sm_pwm_01c_t dev, const sm_pwm_01c_params_t params)
	Initialize the given SM_PWM_01C device.

void	sm_pwm_01c_start (sm_pwm_01c_t *dev)
	Start continuous measurement of Large and Small particle concentrations.

void	sm_pwm_01c_stop (sm_pwm_01c_t *dev)
	Stops continuous measurement of Large and Small particle concentration.

void	sm_pwm_01c_read_data (sm_pwm_01c_t dev, sm_pwm_01c_data_t data)
	Reads particle concentration values.

Data Structures