void LedFont_Scroller(void *pdata) {
INT8U err;
char *p;
short x, xStart;
(void)pdata; /* avoid compiler warning */
OSFlagPost(LedFont_Flags, LEDFONT_FLAG_READY, OS_FLAG_SET, &err); /* announce that we are ready */
for(;;) { /* forever */
while (LedFont_Text[0] == '\0') { /* no text */
LedFont_Stop();
}
for(xStart=GDisp1_GetWidth()-1;;xStart--) {
GDisp1_Clear();
p = &LedFont_Text[0]; /* get character */
x = xStart;
while(*p != '\0') { /* go through the text */
x += LedFont_PutChar(*p, x);
p++; /* next character */
x++; /* add a space between characters */
}
GDisp1_UpdateFull();
if (x <= 0) { /* reached end of text to scroll: start over again */
LedFont_Stop();
break; /* start again */
}
(void)OSTimeDlyHMSM(0,0,0,60); /* delay specifies the scrolling speed */
if (OSFlagQuery(LedFont_Flags, &err)&LEDFONT_FLAG_QUIT) { /* E8 pressed: quit */
OSFlagPost(LedFont_Flags, LEDFONT_FLAG_QUIT, OS_FLAG_CLR, &err); /* clear flag */
LedFont_Stop();
break; /* start again */
}
} /* for */
}
}
void LedFont_ScrollText(char *text, bool scrollOnce, bool waitForFinish) {
INT8U err;
UTIL1_strcpy((uint8_t*)LedFont_Text, sizeof(LedFont_Text), (const unsigned char*)text);
LedFont_ScrollOnce = scrollOnce;
while (!(OSFlagQuery(LedFont_Flags, &err)&LEDFONT_FLAG_READY)) {
(void)OSTimeDlyHMSM(0,0,0,100); /* wait task to be ready */
}
OSTaskResume(TASK_PRIO_SCROLLER);
if (scrollOnce && waitForFinish) {
while (!(OSFlagQuery(LedFont_Flags, &err)&LEDFONT_FLAG_FINISHED_SCROLLING)) {
(void)OSTimeDlyHMSM(0,0,0,100); /* wait for scrolling to be finished */
}
OSFlagPost(LedFont_Flags, LEDFONT_FLAG_FINISHED_SCROLLING, OS_FLAG_CLR, &err); /* clear flag */
}
}
/*FUNCTION**********************************************************************
*
* Function Name : OSA_EventGetFlags
* Description : Get event flags status.
* Return current event flags.
*
*END**************************************************************************/
event_flags_t OSA_EventGetFlags(event_t *pEvent)
{
INT8U err;
return OSFlagQuery(pEvent->pGroup, &err);
}
