Indev: Add support for GT911 touch driver by @dastarling

This commit is contained in:
C47D 2021-06-10 22:49:56 -05:00
parent d379a4e851
commit f726311525
4 changed files with 57 additions and 0 deletions

View file

@ -70,6 +70,8 @@ if(CONFIG_LV_TOUCH_CONTROLLER)
list(APPEND SOURCES "lvgl_touch/FT81x.c") list(APPEND SOURCES "lvgl_touch/FT81x.c")
elseif(CONFIG_LV_TOUCH_CONTROLLER_RA8875) elseif(CONFIG_LV_TOUCH_CONTROLLER_RA8875)
list(APPEND SOURCES "lvgl_touch/ra8875_touch.c") list(APPEND SOURCES "lvgl_touch/ra8875_touch.c")
elseif(CONFIG_LV_TOUCH_CONTROLLER_GT911)
list(APPEND SOURCES "lvgl_touch/gt911.c")
endif() endif()
if(CONFIG_LV_TOUCH_DRIVER_PROTOCOL_SPI) if(CONFIG_LV_TOUCH_DRIVER_PROTOCOL_SPI)

View file

@ -9,6 +9,7 @@ menu "LVGL Touch controller"
default 4 if LV_TOUCH_CONTROLLER_ADCRAW default 4 if LV_TOUCH_CONTROLLER_ADCRAW
default 5 if LV_TOUCH_CONTROLLER_FT81X default 5 if LV_TOUCH_CONTROLLER_FT81X
default 6 if LV_TOUCH_CONTROLLER_RA8875 default 6 if LV_TOUCH_CONTROLLER_RA8875
default 7 if LV_TOUCH_CONTROLLER_GT911
choice choice
prompt "Select a touch panel controller model." prompt "Select a touch panel controller model."
@ -36,6 +37,9 @@ menu "LVGL Touch controller"
config LV_TOUCH_CONTROLLER_RA8875 config LV_TOUCH_CONTROLLER_RA8875
select LV_TOUCH_DRIVER_DISPLAY select LV_TOUCH_DRIVER_DISPLAY
bool "RA8875" bool "RA8875"
config LV_TOUCH_CONTROLLER_GT911
select LV_TOUCH_DRIVER_PROTOCOL_I2C
bool "GT911"
endchoice endchoice
config LV_TOUCH_DRIVER_PROTOCOL_SPI config LV_TOUCH_DRIVER_PROTOCOL_SPI
@ -499,4 +503,49 @@ menu "LVGL Touch controller"
endmenu endmenu
menu "Touchpanel (GT911) Pin Assignments"
depends on LV_TOUCH_CONTROLLER_GT911
config LV_TOUCH_I2C_SDA
int
prompt "GPIO for SDA (I2C)"
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 2
help
Configure the I2C touchpanel SDA pin here.
config LV_TOUCH_I2C_SCL
int "GPIO for clock signal SCL (I2C)"
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2
range 0 21 if IDF_TARGET_ESP32C3
default 3
help
Configure the I2C touchpanel SCL pin here.
endmenu
menu "Touchpanel Configuration (GT911)"
depends on LV_TOUCH_CONTROLLER_GT911
config LV_GT911_SWAPXY
bool
prompt "Swap X with Y coordinate."
default y
config LV_GT911_INVERT_X
bool
prompt "Invert X coordinate value."
default n
config LV_GT911_INVERT_Y
bool
prompt "Invert Y coordinate value."
default y
endmenu
endmenu endmenu

View file

@ -21,6 +21,8 @@ void touch_driver_init(void)
/* nothing to do */ /* nothing to do */
#elif defined (CONFIG_LV_TOUCH_CONTROLLER_RA8875) #elif defined (CONFIG_LV_TOUCH_CONTROLLER_RA8875)
ra8875_touch_init(); ra8875_touch_init();
#elif defined (CONFIG_LV_TOUCH_CONTROLLER_GT911)
gt911_init(GT911_I2C_SLAVE_ADDR);
#endif #endif
} }
@ -40,6 +42,8 @@ bool touch_driver_read(lv_indev_drv_t *drv, lv_indev_data_t *data)
res = FT81x_read(drv, data); res = FT81x_read(drv, data);
#elif defined (CONFIG_LV_TOUCH_CONTROLLER_RA8875) #elif defined (CONFIG_LV_TOUCH_CONTROLLER_RA8875)
res = ra8875_touch_read(drv, data); res = ra8875_touch_read(drv, data);
#elif defined (CONFIG_LV_TOUCH_CONTROLLER_GT911)
res = gt911_read(drv, data);
#endif #endif
return res; return res;

View file

@ -32,6 +32,8 @@ extern "C" {
#include "FT81x.h" #include "FT81x.h"
#elif defined (CONFIG_LV_TOUCH_CONTROLLER_RA8875) #elif defined (CONFIG_LV_TOUCH_CONTROLLER_RA8875)
#include "ra8875_touch.h" #include "ra8875_touch.h"
#elif defined (CONFIG_LV_TOUCH_CONTROLLER_GT911)
#include "gt911.h"
#endif #endif
/********************* /*********************