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Add uView.scrollLeft() function.

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Same as existing uView.scrollRight() but in the opposite direction.
This commit is contained in:
Scott Allen
2014-08-16 22:58:28 -04:00
parent db2904c64e
commit c07b86476a
2 changed files with 15 additions and 2 deletions
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15
MicroView.cpp
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@@ -858,13 +858,26 @@ void MicroView::scrollStop(void){
*/
void MicroView::scrollRight(uint8_t start, uint8_t stop){
if (stop<start) // stop must be larger or equal to start
return;
return;
scrollStop(); // need to disable scrolling before starting to avoid memory corrupt
command(RIGHTHORIZONTALSCROLL, 0);
command(start, 0x7, stop); // scroll speed frames , TODO
command(0x00, 0xFF, ACTIVATESCROLL);
}
/** \brief Left scrolling.
Set row start to row stop on the OLED to scroll left. Refer to http://learn.microview.io/intro/general-overview-of-microview.html for explanation of the rows.
*/
void MicroView::scrollLeft(uint8_t start, uint8_t stop){
if (stop<start) // stop must be larger or equal to start
return;
scrollStop(); // need to disable scrolling before starting to avoid memory corrupt
command(LEFTHORIZONTALSCROLL, 0);
command(start, 0x7, stop); // scroll speed frames , TODO
command(0x00, 0xFF, ACTIVATESCROLL);
}
/** \brief Vertical flip.
Flip the graphics on the OLED vertically.