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Update from LVGL #4

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Merged
merged 6 commits into from
Feb 15, 2021
Merged

Update from LVGL #4

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260cf74
Adds soft reset option to ST7789 driver
cranial-smoke Feb 10, 2021
3a34055
Hides reset pin config if ST7789 soft reset is enabled
cranial-smoke Feb 11, 2021
15ba53b
Merge pull request #37 from tore-espressif/fix/simple-include
C47D Feb 12, 2021
5f129e5
Merge pull request #39 from tore-espressif/feature/color-inversion
C47D Feb 12, 2021
ee13a02
Merge branch 'master' into feature/st7789_soft_reset
C47D Feb 14, 2021
6b08c3f
Merge pull request #34 from cranial-smoke/feature/st7789_soft_reset
C47D Feb 14, 2021
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15 changes: 14 additions & 1 deletion lvgl_tft/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -735,6 +735,19 @@ menu "LVGL TFT Display controller"

endmenu

# menu will be visible only when LV_PREDEFINED_DISPLAY_NONE is y
menu "Display ST7789 Configuration"
visible if LV_TFT_DISPLAY_CONTROLLER_ST7789

config LV_DISP_ST7789_SOFT_RESET
bool "Soft reset - use software reset instead of reset pin"
depends on LV_TFT_DISPLAY_CONTROLLER_ST7789
default n
help
Use software reset and ignores configured reset pin (some hardware does not use a reset pin).

endmenu

# menu will be visible only when LV_PREDEFINED_DISPLAY_NONE is y
menu "Display Pin Assignments"
visible if LV_PREDEFINED_DISPLAY_NONE || LV_PREDEFINED_DISPLAY_RPI_MPI3501 || LV_PREDEFINED_PINS_TKOALA
Expand Down Expand Up @@ -885,7 +898,7 @@ menu "LVGL TFT Display controller"
Configure the display DC pin here.

config LV_DISP_PIN_RST
int "GPIO for Reset" if LV_TFT_DISPLAY_PROTOCOL_SPI
int "GPIO for Reset" if LV_TFT_DISPLAY_PROTOCOL_SPI && !LV_DISP_ST7789_SOFT_RESET
range 0 39 if IDF_TARGET_ESP32
range 0 43 if IDF_TARGET_ESP32S2

Expand Down
7 changes: 7 additions & 0 deletions lvgl_tft/st7789.c
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Original file line number Diff line number Diff line change
Expand Up @@ -90,19 +90,26 @@ void st7789_init(void)
//Initialize non-SPI GPIOs
gpio_pad_select_gpio(ST7789_DC);
gpio_set_direction(ST7789_DC, GPIO_MODE_OUTPUT);

#if !defined(CONFIG_LV_DISP_ST7789_SOFT_RESET)
gpio_pad_select_gpio(ST7789_RST);
gpio_set_direction(ST7789_RST, GPIO_MODE_OUTPUT);
#endif

#if ST7789_ENABLE_BACKLIGHT_CONTROL
gpio_pad_select_gpio(ST7789_BCKL);
gpio_set_direction(ST7789_BCKL, GPIO_MODE_OUTPUT);
#endif

//Reset the display
#if !defined(CONFIG_LV_DISP_ST7789_SOFT_RESET)
gpio_set_level(ST7789_RST, 0);
vTaskDelay(100 / portTICK_RATE_MS);
gpio_set_level(ST7789_RST, 1);
vTaskDelay(100 / portTICK_RATE_MS);
#else
st7789_send_cmd(ST7789_SWRESET);
#endif

printf("ST7789 initialization.\n");

Expand Down