Interface definition for the MH-Z19 CO2 sensor driver. More...
Interface definition for the MH-Z19 CO2 sensor driver.
Definition in file mhz19.h.
Go to the source code of this file.
Enumerations | |
enum | { MHZ19_OK = 0 , MHZ19_ERR_INIT = -1 , MHZ19_ERR_TIMEOUT = -2 , MHZ19_ERR_CHECKSUM = -3 } |
Status and error return codes. More... | |
Functions | |
int | mhz19_init (mhz19_t *dev, const mhz19_params_t *params) |
Initialize a MH-Z19 device. | |
int | mhz19_get_ppm (mhz19_t *dev, int16_t *ppm) |
Get measured CO2 ppm value. | |
Variables | |
const saul_driver_t | mhz19_ppm_saul_driver |
Export SAUL endpoint. | |