diff options
Diffstat (limited to 'nuttx/configs/stm3210e-eval/src/up_lcd.c')
| -rw-r--r-- | nuttx/configs/stm3210e-eval/src/up_lcd.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/nuttx/configs/stm3210e-eval/src/up_lcd.c b/nuttx/configs/stm3210e-eval/src/up_lcd.c index 045f564c3..6f50323ed 100644 --- a/nuttx/configs/stm3210e-eval/src/up_lcd.c +++ b/nuttx/configs/stm3210e-eval/src/up_lcd.c @@ -1213,6 +1213,32 @@ static void stm3210e_pm_notify(struct pm_callback_s *cb , enum pm_state_e pmstat { /* Entering SLEEP mode - Turn off LCD */ + if (g_lcddev.type == LCD_TYPE_AM240320) + { + /* Display off sequence */ + + stm3210e_writereg(LCD_REG_0, 0xa0); /* White display mode setting */ + up_mdelay(10); /* Wait for 2 frame scan */ + stm3210e_writereg(LCD_REG_59, 0x00); /* Gate scan stop */ + + /* Power off sequence */ + + stm3210e_writereg(LCD_REG_30, 0x09); /* VCOM stop */ + stm3210e_writereg(LCD_REG_27, 0x0e); /* VS/VDH turn off */ + stm3210e_writereg(LCD_REG_24, 0xc0); /* CP1, CP2, CP3 turn off */ + up_mdelay(10); /* wait 10 ms */ + + stm3210e_writereg(LCD_REG_24, 0x00); /* VR1 / VR2 off*/ + stm3210e_writereg(LCD_REG_28, 0x30); /* Step up circuit operating current stop */ + up_mdelay(10); + + stm3210e_poweroff(); + stm3210e_writereg(LCD_REG_0, 0xa0); /* White display mode setting */ + up_mdelay(10); /* Wait for 2 frame scan */ + + stm3210e_writereg(LCD_REG_59, 0x00); /* Gate scan stop */ + } +// Does this belong here? (void)stm3210e_poweroff(); } break; |