Functions to initialize the driver.

How to initialise the driver. More...

Collaboration diagram for Functions to initialize the driver.:

Functions
void	mh_z19_initialise (serial_comPort_t com_port)
	Initialise the driver. More...
void	mh_z19_injectCallBack (void(*mh_z19_callBack)(uint16_t))
	Inject a call-back function to the driver. More...

Detailed Description

How to initialise the driver.

Function Documentation

mh_z19_initialise()

void mh_z19_initialise

(

serial_comPort_t

com_port

)

Initialise the driver.

Initialise the MH-Z19 Driver.

Parameters

[in]

com_port

to be used for communication with the RN2483 module.

Note

Must not be called after

vTaskStartScheduler()

is called in case FreeRTOS is used!!

mh_z19_injectCallBack()

void mh_z19_injectCallBack

(

void(*)(uint16_t)

mh_z19_callBack

)

Inject a call-back function to the driver.

Injects a call-back function that will be called each time a new CO2 value is ready.

Note

The call-back function is called from an Interrupt Service Routine (ISR) so it must be very short and efficient!!

Parameters

[in]

mh_z19_callBack

function pointer to call back function, or NULL if no call back function is used.

The call back function must have this signature:

void functionName(uint16_t ppm)