EZ_QueueLedAction(3) EZWGL Functions EZ_QueueLedAction(3)NAME
EZ_QueueLedAction, EZ_RemoveLedAction - queue/remove an action for an
LED widget
SYNOPSIS
#include <EZ.h>
int EZ_QueueLedAction(EZ_Widget *led, int type, int delay,
int count, char *message, char *color)
void EZ_RemoveLedAction(EZ_Widget *led, int id)
ARGUMENTS
led Specifies a LED widget.
type Specifies a symbolic LED action name. Must be one of
EZ_LED_SCROLL_LEFT, EZ_LED_SCROLL_RIGHT, EZ_LED_SCROLL_UP,
EZ_LED_SCROLL_DOWN, EZ_LED_SCROLL_CENTER, EZ_LED_SCROLL_CENTER_V,
EZ_LED_SWEEP_LEFT, EZ_LED_SWEEP_RIGHT, EZ_LED_SWEEP_UP,
EZ_LED_SWEEP_DOWN, EZ_LED_SWEEP_CENTER, EZ_LED_SWEEP_CENTER_V,
EZ_LED_BOUNCE, EZ_LED_BOUNCE_V, EZ_LED_SHOW, EZ_LED_BLINK and
EZ_LED_SLEEP.
delay Specifies the time delay (in micro seconds) between two consecu‐
tive frames for this action. It is used to control the speed of
scrolling.
count Specifies the number of times this action is going to be com‐
pleted.
message Specifies the message to be displayed. If NULL, the most recent
message will be displayed.
color Specifies the color to be used along with the specified action.
id Specifies the identifier of a queued led action.
DESCRIPTIONEZ_QueueLedAction queues an action for an LED widget. The action will
be executed at a later time. If multiple actions are queued to an LED
widget, they will be executed sequentially (FIFO).
On success, this function returns a unique positive integer that iden‐
tifies the action. It returns -1 on failure.
EZ_RemoveLedAction removes an queued action for the specified LED wid‐
get.
SEE ALSOEZ_LedIsFree(3), EZ_SetLedBackground(3), EZ_SetLedOffPixelColor(3),
EZ_SetLedFont(3), EZ_SetLedWidth(3), EZ_SetLedPixelSize(3), EZ_SetLed‐
String(3), EZ_SetLedColorFunction(3)EZWGLEZ_QueueLedAction(3)
