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edge_pressure Class Reference
Public Member Functions

edge_pressure Class Reference

edge_pressure edge_sensor for measuring gas presssure More...

#include <edge_pressure.h>

Inherits edge_sensor.

Public Member Functions

 edge_pressure (PSE530 *pse, DigitalOut *en)
 constructor
 ~edge_pressure (void)
 destructor
virtual void reset (void)
 reset and clear internal values
virtual void prepare (void)
 prepare for sampling (not used)
virtual int sample (void)
 sample the value
virtual int deliver (void)
 deliver the sampled value to afero cloud
virtual void show (void)
 show the value in the display (TFT)
float get_value (void)
 get_value sample sensor value and calcurate it to the metric value
void set_thr_mode (int mode)
 Set threshold mode.
int get_thr_mode (void)
 Get threshold mode.
void set_thr_high (int16_t thr_high)
 Set higher threshold.
float get_thr_high (float expected)
 Get higher threshold, the value is calcurated with expected value.
void set_thr_low (int16_t thr_low)
 Set lower threshold.
float get_thr_low (float expected)
 Get lower threshold, the value is calcurated with expected value.
void drawPointer (int c)
 draw triangle pointer for GAS pressure mode display
virtual void setId (uint16_t id)
 assign _id manually
virtual void enable (void)
 enable the edge_sensor
virtual void disable (void)
 disable the edge_sensor
virtual bool isEnabled (void)
 test if the edge_sensor is enabled (or not)
virtual void toJson (char *buf)
 toJson convert sampled data to json format
virtual void displayTime (int32_t ts)
 display timestamp in human readable format ts int32_t timestamp value to display
void setInterval (uint16_t interval)
 setInterval assign sampling interval time (in sec)
uint16_t getInterval (void)
 getInterval get sampling interval time (in sec)
int getStatus (void)
 getStatus get current status of the state machine
int advanceStatus (void)
 advanceStatus proceed status into the next state
virtual int runStateMachine (void)
 runStateMachine run the statemachine for single cycle

Detailed Description

edge_pressure edge_sensor for measuring gas presssure

Definition at line 11 of file edge_pressure.h.

Constructor & Destructor Documentation

edge_pressure ( PSE530 *  pse,
DigitalOut *  en 
)

constructor

Parameters:
*psePSE530 pressure sensor object

Definition at line 41 of file edge_pressure.cpp.

~edge_pressure ( void   )

destructor

Definition at line 52 of file edge_pressure.cpp.

Member Function Documentation

int advanceStatus ( void   ) [inherited]

advanceStatus proceed status into the next state

Returns:
advanced status
int deliver ( void   ) [virtual]

deliver the sampled value to afero cloud

Reimplemented from edge_sensor.

Definition at line 161 of file edge_pressure.cpp.

void disable ( void   ) [virtual, inherited]

disable the edge_sensor

Definition at line 36 of file edge_sensor.cpp.

void displayTime ( int32_t  ts ) [virtual, inherited]

display timestamp in human readable format ts int32_t timestamp value to display

Definition at line 70 of file edge_sensor.cpp.

void drawPointer ( int  c )

draw triangle pointer for GAS pressure mode display

drawPointer

draw a triangle pointer at value place in GAS pressure display mode

Definition at line 230 of file edge_pressure.cpp.

void enable ( void   ) [virtual, inherited]

enable the edge_sensor

Definition at line 31 of file edge_sensor.cpp.

float get_thr_high ( float  expected )

Get higher threshold, the value is calcurated with expected value.

Parameters:
expectedfloat the expected pressure value for current temperature

Definition at line 106 of file edge_pressure.cpp.

float get_thr_low ( float  expected )

Get lower threshold, the value is calcurated with expected value.

Parameters:
expectedfloat the expected pressure value for current temperature

Definition at line 142 of file edge_pressure.cpp.

int get_thr_mode ( void   )

Get threshold mode.

Returns:
the mode 0: absolute value 1: relative value in percent

Definition at line 68 of file edge_pressure.h.

float get_value ( void   )

get_value sample sensor value and calcurate it to the metric value

Returns:
measured value in kgf/cm2

Definition at line 60 of file edge_pressure.cpp.

uint16_t getInterval ( void   ) [inherited]

getInterval get sampling interval time (in sec)

Returns:
the interval time in uint16_t

Definition at line 103 of file edge_sensor.cpp.

int getStatus ( void   ) [inherited]

getStatus get current status of the state machine

Returns:
current status as int

Definition at line 108 of file edge_sensor.cpp.

bool isEnabled ( void   ) [virtual, inherited]

test if the edge_sensor is enabled (or not)

Returns:
true: the sensor is enabled false: the sensor is disabled

Definition at line 41 of file edge_sensor.cpp.

void prepare ( void   ) [virtual]

prepare for sampling (not used)

Reimplemented from edge_sensor.

Definition at line 73 of file edge_pressure.cpp.

void reset ( void   ) [virtual]

reset and clear internal values

Reimplemented from edge_sensor.

Definition at line 67 of file edge_pressure.cpp.

int runStateMachine ( void   ) [virtual, inherited]

runStateMachine run the statemachine for single cycle

Returns:
the result status

Definition at line 122 of file edge_sensor.cpp.

int sample ( void   ) [virtual]

sample the value

Returns:
0: success non-0: failure

Reimplemented from edge_sensor.

Definition at line 77 of file edge_pressure.cpp.

void set_thr_high ( int16_t  thr_high )

Set higher threshold.

Parameters:
thr_highint16_t the higher threshold

Definition at line 89 of file edge_pressure.cpp.

void set_thr_low ( int16_t  thr_low )

Set lower threshold.

Parameters:
thr_lowint16_t the lower threshold

Definition at line 125 of file edge_pressure.cpp.

void set_thr_mode ( int  mode )

Set threshold mode.

Parameters:
modeint 0: absolute value 1: relative value in percent

Definition at line 62 of file edge_pressure.h.

virtual void setId ( uint16_t  id ) [virtual, inherited]

assign _id manually

Definition at line 32 of file edge_sensor.h.

void setInterval ( uint16_t  interval ) [inherited]

setInterval assign sampling interval time (in sec)

Parameters:
intervaluint16_t the value to assign

Definition at line 98 of file edge_sensor.cpp.

void show ( void   ) [virtual]

show the value in the display (TFT)

Reimplemented from edge_sensor.

Definition at line 245 of file edge_pressure.cpp.

void toJson ( char *  buf ) [virtual, inherited]

toJson convert sampled data to json format

Parameters:
bufchar* string buf to store the json string

Definition at line 93 of file edge_sensor.cpp.

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