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authorFred Sundvik <fsundvik@gmail.com>2017-06-03 21:30:52 +0300
committerFred Sundvik <fsundvik@gmail.com>2017-06-03 21:30:52 +0300
commit2a7f9a7e46e1f4350be249c267fa7c35fd6562b5 (patch)
tree371987383b46263043ea9a9cad73ad33a5ce277f
parenteffffa33a503a093be4fa00b570df7a4e2996edc (diff)
Add backlight control to the IS31FL3731 driver
-rw-r--r--keyboards/ergodox/infinity/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/keyboards/ergodox/infinity/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c b/keyboards/ergodox/infinity/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c
index 2472694466..0b48783d6a 100644
--- a/keyboards/ergodox/infinity/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c
+++ b/keyboards/ergodox/infinity/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c
@@ -43,7 +43,7 @@ extern const uint8_t CIE1931_CURVE[];
#define GDISP_INITIAL_CONTRAST 0
#endif
#ifndef GDISP_INITIAL_BACKLIGHT
- #define GDISP_INITIAL_BACKLIGHT 100
+ #define GDISP_INITIAL_BACKLIGHT 0
#endif
#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER<<0)
@@ -204,7 +204,8 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
uint8_t* src = PRIV(g)->frame_buffer;
for (int y=0;y<GDISP_SCREEN_HEIGHT;y++) {
for (int x=0;x<GDISP_SCREEN_WIDTH;x++) {
- PRIV(g)->write_buffer[get_led_address(g, x, y)]=CIE1931_CURVE[*src];
+ uint8_t val = (uint16_t)*src * g->g.Backlight / 100;
+ PRIV(g)->write_buffer[get_led_address(g, x, y)]=CIE1931_CURVE[val];
++src;
}
}
@@ -297,8 +298,13 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
g->g.Orientation = (orientation_t)g->p.ptr;
return;
- case GDISP_CONTROL_CONTRAST:
- return;
+ case GDISP_CONTROL_BACKLIGHT:
+ if (g->g.Backlight == (unsigned)g->p.ptr)
+ return;
+ unsigned val = (unsigned)g->p.ptr;
+ g->g.Backlight = val > 255 ? 255 : val;
+ g->flags |= GDISP_FLG_NEEDFLUSH;
+ return;
}
}
#endif // GDISP_NEED_CONTROL