diff options
Diffstat (limited to 'drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c')
| -rw-r--r-- | drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c b/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c index f241270e..9670d2d0 100644 --- a/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c +++ b/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c @@ -151,6 +151,16 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { } #endif +#if GDISP_HARDWARE_CLEARS + LLDSPEC void gdisp_lld_clear(GDisplay *g) { + uint8_t fill = (g->p.color == Black) ? 0 : 0xff; + int bytes = GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT/8; + int off; + for (off = 0; off < bytes; off++) + RAM(g)[off] = fill; + } +#endif + #if GDISP_HARDWARE_DRAWPIXEL LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) { coord_t x, y; |