tank_context Struct Reference
[Water tank application]

Context for the water tank application. More...

Collaboration diagram for tank_context:

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Data Fields
struct workqueue_task *	task
	Pointer to the workqueue task of the application.
struct wtk_basic_frame *	frame
	Pointer to the main frame of the application.
struct font	old_sysfont
	Copy of the sysfont before it is modified by the application.
struct wtk_progress_bar *	level
	Pointer to progress bar widget for tank level.
struct wtk_slider *	supply
	Pointer to slider widget for supply.
struct wtk_progress_bar *	demand
	Pointer to progress bar widget for demand.
struct timer	timer
	Timer struct needed for the timer driver.
enum tank_loader_state	loader_state
	State variable for application loader task.
bool	level_alarm
	Flag indicating critical tank level.
bool	flow_alarm
	Flag indicating that demand is greater than supply and tank level.
uint16_t	timer_delay
	Timer delay needed for application tick rate.
uint16_t	rand_ticks
	Tick count until update of random variable.
int32_t	rand
	Random variable to get time-varying water demand.
struct gfx_bitmap	bitmaps [NR_OF_BITMAPS]
	Metadata for alarm light bitmaps.

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Detailed Description

Context for the water tank application.

Definition at line 245 of file app_tank.c.

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Field Documentation

struct gfx_bitmap tank_context::bitmaps[NR_OF_BITMAPS]

Metadata for alarm light bitmaps.

Definition at line 273 of file app_tank.c.

Referenced by app_tank_launch(), tank_loader(), and tank_worker().

struct wtk_progress_bar* tank_context::demand

Pointer to progress bar widget for demand.

Definition at line 257 of file app_tank.c.

Referenced by app_tank_launch(), and tank_worker().

bool tank_context::flow_alarm

Flag indicating that demand is greater than supply and tank level.

Definition at line 265 of file app_tank.c.

Referenced by app_tank_launch(), and tank_worker().

struct wtk_basic_frame* tank_context::frame

Pointer to the main frame of the application.

Definition at line 249 of file app_tank.c.

Referenced by app_tank_launch(), and tank_loader().

struct wtk_progress_bar* tank_context::level

Pointer to progress bar widget for tank level.

Definition at line 253 of file app_tank.c.

Referenced by app_tank_launch(), and tank_worker().

bool tank_context::level_alarm

Flag indicating critical tank level.

Definition at line 263 of file app_tank.c.

Referenced by app_tank_launch(), and tank_worker().

enum tank_loader_state tank_context::loader_state

State variable for application loader task.

Definition at line 261 of file app_tank.c.

Referenced by app_tank_launch(), and tank_loader().

struct font tank_context::old_sysfont

Copy of the sysfont before it is modified by the application.

Definition at line 251 of file app_tank.c.

Referenced by app_tank_launch(), tank_frame_handler(), and tank_loader().

int32_t tank_context::rand

Random variable to get time-varying water demand.

Definition at line 271 of file app_tank.c.

Referenced by app_tank_launch(), and tank_worker().

uint16_t tank_context::rand_ticks

Tick count until update of random variable.

Definition at line 269 of file app_tank.c.

Referenced by app_tank_launch(), and tank_worker().

struct wtk_slider* tank_context::supply

Pointer to slider widget for supply.

Definition at line 255 of file app_tank.c.

Referenced by app_tank_launch(), and tank_worker().

struct workqueue_task* tank_context::task

Pointer to the workqueue task of the application.

Definition at line 247 of file app_tank.c.

Referenced by app_tank_launch(), and tank_timer_callback().

struct timer tank_context::timer

Timer struct needed for the timer driver.

Definition at line 259 of file app_tank.c.

Referenced by app_tank_launch(), tank_frame_handler(), tank_loader(), and tank_timer_callback().

uint16_t tank_context::timer_delay

Timer delay needed for application tick rate.

Definition at line 267 of file app_tank.c.

Referenced by app_tank_launch(), tank_loader(), and tank_timer_callback().

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The documentation for this struct was generated from the following file:

• apps/display-demo/app_tank.c