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README: Update peripherals and display gpios helpers

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C47D 2022-02-02 21:28:34 -06:00
parent 28d663f6b6
commit fc81c6da5a
4 changed files with 9 additions and 3 deletions
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5
README.md
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@ -12,6 +12,11 @@ For a ready to use ESP32 project take look at the [lv_port_esp32](https://github
**NOTE:** You need to set the display horizontal and vertical size, color depth and **NOTE:** You need to set the display horizontal and vertical size, color depth and
swap of RGB565 color on the LVGL configuration menuconfig (it's not handled automatically). swap of RGB565 color on the LVGL configuration menuconfig (it's not handled automatically).
## MCU Configuration
Example of SPI/I2C configuration peripherals is done with `lvgl_interface_init`.
Example of display gpios configuration, such as the DC, RST, Backlight is done with `lvgl_display_gpios_init`
## Supported display controllers ## Supported display controllers

3
examples/wemos_lolin_oled/hello_world/main/hello_world.c
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@ -54,7 +54,8 @@ static void guiTask(void *pvParameter)
/* Initialize the needed peripherals */ /* Initialize the needed peripherals */
lvgl_interface_init(); lvgl_interface_init();
/* Initialize needed GPIOs, e.g. backlight, reset GPIOs */ /* Initialize needed GPIOs, e.g. backlight, reset GPIOs */
display_bsp_init_io(); lvgl_display_gpios_init();
/* ToDo Initialize used display driver passing registered lv_disp_drv_t as parameter */ /* ToDo Initialize used display driver passing registered lv_disp_drv_t as parameter */
size_t display_buffer_size = lvgl_get_display_buffer_size(); size_t display_buffer_size = lvgl_get_display_buffer_size();

2
lvgl_helpers.c
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@ -153,7 +153,7 @@ void lvgl_interface_init(void)
#endif #endif
} }
void display_bsp_init_io(void) void lvgl_display_gpios_init(void)
{ {
esp_err_t err = ESP_OK; esp_err_t err = ESP_OK;
gpio_config_t io_conf = { gpio_config_t io_conf = {

2
lvgl_helpers.h
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@ -41,7 +41,7 @@ bool lvgl_spi_driver_init(int host, int miso_pin, int mosi_pin, int sclk_pin,
int max_transfer_sz, int dma_channel, int quadwp_pin, int quadhd_pin); int max_transfer_sz, int dma_channel, int quadwp_pin, int quadhd_pin);
/* Initialize display GPIOs, e.g. DC and RST pins */ /* Initialize display GPIOs, e.g. DC and RST pins */
void display_bsp_init_io(void); void lvgl_display_gpios_init(void);
/* Get display buffer size */ /* Get display buffer size */
size_t lvgl_get_display_buffer_size(void); size_t lvgl_get_display_buffer_size(void);