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 consecutive frames for this action. It is used to con-
trol the speed of scrolling.
count Specifies the number of times this action is going
to be completed.
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 speci-
fied action.
id Specifies the identifier of a queued led action.
DESCRIPTION
EZ_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 inte-
ger that identifies the action. It returns -1 on failure.
EZ_RemoveLedAction removes an queued action for the speci-
fied LED widget.
SEE ALSO
EZ_LedIsFree(3), EZ_SetLedBackground(3), EZ_SetLedOffPixelColor(3)
, EZ_SetLedFont(3), EZ_SetLedWidth(3),
EZ_SetLedPixelSize(3), EZ_SetLedString(3), EZ_SetLedColorFunction(3)