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Merged in masayuki2009/nuttx.nuttx/lcd_aqm_1248a_support (pull request #287) 

drivers/lcd/st7565.c: Use ST7565_POWERCTRL_INT instead of ST7565_POWERCTRL_BRF

Approved-by: Gregory Nutt <gnutt@nuttx.org>
This commit is contained in:
Masayuki Ishikawa 2017-03-21 23:45:47 +00:00 committed by Gregory Nutt
parent ea93357a1e e336d24898
commit f50a075373
2 changed files with 1 additions and 3 deletions
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2
drivers/lcd/st7565.c
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@ -1041,7 +1041,7 @@ FAR struct lcd_dev_s *st7565_initialize(FAR struct st7565_lcd_s *lcd,
up_mdelay(2);
(void)st7565_send_one_data(priv, ST7565_POWERCTRL_BR);
up_mdelay(2);
(void)st7565_send_one_data(priv, ST7565_POWERCTRL_BRF);
(void)st7565_send_one_data(priv, ST7565_POWERCTRL_INT);
(void)st7565_send_one_data(priv, ST7565_REG_RES_4_5);
(void)st7565_send_one_data(priv, ST7565_SETEVMODE);

2
drivers/lcd/st7565.h
View File

@ -102,8 +102,6 @@
*/
#define ST7565_POWERCTRL_B 0x2c /* 0x2c: Booster=ON */
#define ST7565_POWERCTRL_BR 0x2e /* 0x2e: Booster=ON V/R=ON */
#define ST7565_POWERCTRL_BRF 0x2f /* 0x23: Booster=ON V/R=ON V/F=ON */
#define ST7565_POWERCTRL_INT 0x2f /* 0x2f: Only the internal power supply is used */
/* Regulation Resistior ratio V0 = (1+Rb/Ra)*Vev */