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drivers/lcd/st7565.c: Extend to include support for the AQM_1248A

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This commit is contained in:
Masayuki Ishikawa
2017-03-21 15:30:23 +09:00
parent ceeb658b30
commit 591f91ebd3
3 changed files with 31 additions and 0 deletions
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drivers/lcd/Kconfig
+6
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@@ -48,6 +48,7 @@ config LCD_NOGETRUN
config LCD_MAXCONTRAST
int "LCD maximum contrast"
default 31 if AQM_1248A
default 63 if NOKIA6100_S1D15G10 || LCD_SHARP_MEMLCD
default 127 if NOKIA6100_PCF8833
default 255 if LCD_P14201 || LCD_LCD1602
@@ -596,6 +597,9 @@ config NHD_C12864KGZ
config ERC_12864_3
bool "like ERC12864-3"
config AQM_1248A
bool "like AQM1248A"
endchoice
config ST7565_NINTERFACES
@@ -613,6 +617,7 @@ config ST7565_XRES
config ST7565_YRES
int "ST7565 Y Resolution"
default 48 if AQM_1248A
default 64
---help---
Specifies the Y resolution of the LCD.
@@ -625,6 +630,7 @@ config ST7565_MIRROR_X
config ST7565_MIRROR_Y
bool "ST7565 apply mirror on Y"
default y if AQM_1248A
default n
---help---
Mirror Y on LCD.
drivers/lcd/st7565.c
+21
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@@ -1030,6 +1030,27 @@ FAR struct lcd_dev_s *st7565_initialize(FAR struct st7565_lcd_s *lcd,
(void)st7565_send_one_data(priv, ST7565_SETEVREG(0x24));
(void)st7565_send_one_data(priv, ST7565_SETSTARTLINE);
#elif defined(CONFIG_AQM_1248A)
(void)st7565_send_one_data(priv, ST7565_DISPOFF);
(void)st7565_send_one_data(priv, ST7565_ADCNORMAL);
(void)st7565_send_one_data(priv, ST7565_SETCOMREVERSE);
(void)st7565_send_one_data(priv, ST7565_BIAS_1_7);
(void)st7565_send_one_data(priv, ST7565_POWERCTRL_B);
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_REG_RES_4_5);
(void)st7565_send_one_data(priv, ST7565_SETEVMODE);
(void)st7565_send_one_data(priv, ST7565_SETEVREG(0x1c));
(void)st7565_send_one_data(priv, ST7565_DISPRAM);
(void)st7565_send_one_data(priv, ST7565_SETSTARTLINE);
(void)st7565_send_one_data(priv, ST7565_DISPNORMAL);
(void)st7565_send_one_data(priv, ST7565_DISPON);
#else
# error "No initialization sequence selected"
#endif
drivers/lcd/st7565.h
+4
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@@ -100,6 +100,10 @@
#define ST7565_POWERCTRL_VR 0x2b /* 0x2b: Only the voltage regulator circuit and the
* voltage follower circuit are used
*/
#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 */