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Fix optimization code that broke the SSD1306 for I2C interfaces.

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This commit is contained in:
inmarket 2015-02-06 16:25:16 +10:00
parent a7bf3da17b
commit 795b8a5e7d
2 changed files with 3 additions and 13 deletions
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15
drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c
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@ -157,15 +157,6 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
}
#endif
#if GDISP_HARDWARE_CLEARS
LLDSPEC void gdisp_lld_clear(GDisplay *g) {
uint8_t fill = (gdispColor2Native(g->p.color) == gdispColor2Native(Black)) ? 0 : 0xff;
int bytes = GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT/8;
memset(RAM(g), fill, bytes);
g->flags |= GDISP_FLG_NEEDFLUSH;
}
#endif
#if GDISP_HARDWARE_FILLS
LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
coord_t sy, ey;
@ -204,7 +195,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
}
spage = sy / 8;
base = RAM(g) + GDISP_SCREEN_WIDTH * spage;
base = RAM(g) + SSD1306_PAGE_OFFSET + SSD1306_PAGE_WIDTH * spage;
mask = 0xff << (sy&7);
zpages = (ey / 8) - spage;
@ -213,7 +204,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
for (col = sx; col <= ex; col++)
base[col] &= ~mask;
mask = 0xff;
base += GDISP_SCREEN_WIDTH;
base += SSD1306_PAGE_WIDTH;
}
mask &= (0xff >> (7 - (ey&7)));
for (col = sx; col <= ex; col++)
@ -223,7 +214,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
for (col = sx; col <= ex; col++)
base[col] |= mask;
mask = 0xff;
base += GDISP_SCREEN_WIDTH;
base += SSD1306_PAGE_WIDTH;
}
mask &= (0xff >> (7 - (ey&7)));
for (col = sx; col <= ex; col++)

1
drivers/gdisp/SSD1306/gdisp_lld_config.h
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@ -18,7 +18,6 @@
#define GDISP_HARDWARE_DRAWPIXEL TRUE
#define GDISP_HARDWARE_PIXELREAD TRUE
#define GDISP_HARDWARE_CONTROL TRUE
#define GDISP_HARDWARE_CLEARS TRUE
#define GDISP_HARDWARE_FILLS TRUE
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_MONO