diff options
author | Fred Sundvik <fsundvik@gmail.com> | 2017-04-07 10:55:29 +0300 |
---|---|---|
committer | Fred Sundvik <fsundvik@gmail.com> | 2017-04-09 18:34:59 +0300 |
commit | 995002fa912545128625ec2d8c53cff5de560b97 (patch) | |
tree | 255e7ba3b57739544028efda52be570d4dfdaf03 /keyboards/ergodox/infinity/drivers/gdisp | |
parent | 3994fb1e79615af849aa03378293831f59c9b259 (diff) |
LCD initialization sequence according to the docs
The LCD initialization show now be much better and faster with no
flickering at the startup.
Also fix the contrast control.
Diffstat (limited to 'keyboards/ergodox/infinity/drivers/gdisp')
-rw-r--r-- | keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c | 40 | ||||
-rw-r--r-- | keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/st7565.h | 2 |
2 files changed, 13 insertions, 29 deletions
diff --git a/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c b/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c index 2c8a168e76..0de457a7ae 100644 --- a/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c +++ b/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/gdisp_lld_ST7565.c @@ -26,7 +26,7 @@ #define GDISP_SCREEN_WIDTH 128 #endif #ifndef GDISP_INITIAL_CONTRAST -#define GDISP_INITIAL_CONTRAST 0 +#define GDISP_INITIAL_CONTRAST 35 #endif #ifndef GDISP_INITIAL_BACKLIGHT #define GDISP_INITIAL_BACKLIGHT 100 @@ -111,41 +111,25 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { gfxSleepMilliseconds(20); setpin_reset(g, FALSE); gfxSleepMilliseconds(20); - acquire_bus(g); enter_cmd_mode(g); - write_cmd(g, ST7565_DISPLAY_OFF); + + write_cmd(g, ST7565_RESET); write_cmd(g, ST7565_LCD_BIAS); write_cmd(g, ST7565_ADC); write_cmd(g, ST7565_COM_SCAN); - write_cmd(g, ST7565_START_LINE | 0); - - write_cmd(g, ST7565_RESISTOR_RATIO | 0x6); - - // turn on voltage converter (VC=1, VR=0, VF=0) - write_cmd(g, ST7565_POWER_CONTROL | 0x04); - flush_cmd(g); - delay_ms(50); - - // turn on voltage regulator (VC=1, VR=1, VF=0) - write_cmd(g, ST7565_POWER_CONTROL | 0x06); - flush_cmd(g); - delay_ms(50); + write_cmd(g, ST7565_RESISTOR_RATIO | 0x1); + write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST); - // turn on voltage follower (VC=1, VR=1, VF=1) + // turn on internal power supply (VC=1, VR=1, VF=1) write_cmd(g, ST7565_POWER_CONTROL | 0x07); - flush_cmd(g); - delay_ms(50); - write_cmd(g, 0xE2); - write_cmd(g, ST7565_COM_SCAN); - write_cmd2(g, ST7565_CONTRAST, GDISP_INITIAL_CONTRAST*64/101); - //write_cmd2(g, ST7565_CONTRAST, 0); - write_cmd(g, ST7565_DISPLAY_ON); - write_cmd(g, ST7565_ALLON_NORMAL); write_cmd(g, ST7565_INVERT_DISPLAY); + write_cmd(g, ST7565_ALLON_NORMAL); + write_cmd(g, ST7565_DISPLAY_ON); + write_cmd(g, ST7565_START_LINE | 0); write_cmd(g, ST7565_RMW); flush_cmd(g); @@ -331,14 +315,12 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) { return; case GDISP_CONTROL_CONTRAST: - if ((unsigned)g->p.ptr > 100) - g->p.ptr = (void *)100; + g->g.Contrast = (unsigned)g->p.ptr & 63; acquire_bus(g); enter_cmd_mode(g); - write_cmd2(g, ST7565_CONTRAST, ((((unsigned)g->p.ptr)<<6)/101) & 0x3F); + write_cmd2(g, ST7565_CONTRAST, g->g.Contrast); flush_cmd(g); release_bus(g); - g->g.Contrast = (unsigned)g->p.ptr; return; } } diff --git a/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/st7565.h b/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/st7565.h index 48636b33d6..24924ff050 100644 --- a/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/st7565.h +++ b/keyboards/ergodox/infinity/drivers/gdisp/st7565ergodox/st7565.h @@ -34,4 +34,6 @@ #define ST7565_RESISTOR_RATIO 0x20 #define ST7565_POWER_CONTROL 0x28 +#define ST7565_RESET 0xE2 + #endif /* _ST7565_H */ |