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LilyGo T-Deck keyboard support & display driver improvements (#19)

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* LilyGo T-Deck keyboard support

* reverse logic

* docs and readability

* cleanup

* optimize driver buffer

* cleanup
This commit is contained in:
Ken Van Hoeylandt
2024-01-27 12:34:02 +01:00
committed by GitHub
parent 14eb43211d
commit ccbe6b7ab8
21 changed files with 302 additions and 73 deletions
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boards/lilygo_tdeck/display.c
+8 -6
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@@ -6,7 +6,7 @@
#include "esp_log.h"
#include "esp_lvgl_port.h"
#define TAG "lilygo_tdeck_display"
#define TAG "tdeck_display"
#define LCD_SPI_HOST SPI2_HOST
#define LCD_PIN_SCLK GPIO_NUM_40
@@ -21,6 +21,7 @@
#define LCD_VERTICAL_RESOLUTION 240
#define LCD_BITS_PER_PIXEL 16
#define LCD_DRAW_BUFFER_HEIGHT (LCD_VERTICAL_RESOLUTION / 10)
#define LCD_SPI_TRANSFER_HEIGHT (LCD_VERTICAL_RESOLUTION / 10)
// Backlight PWM
#define LCD_BACKLIGHT_LEDC_TIMER LEDC_TIMER_0
@@ -60,7 +61,7 @@ static void tdeck_backlight() {
lv_disp_t* lilygo_tdeck_init_display() {
ESP_LOGI(TAG, "creating display");
int draw_buffer_size = LCD_HORIZONTAL_RESOLUTION * LCD_DRAW_BUFFER_HEIGHT * (LCD_BITS_PER_PIXEL / 8);
int max_transfer_size = LCD_HORIZONTAL_RESOLUTION * LCD_SPI_TRANSFER_HEIGHT * (LCD_BITS_PER_PIXEL / 8);
spi_bus_config_t bus_config = {
.sclk_io_num = LCD_PIN_SCLK,
@@ -68,7 +69,7 @@ lv_disp_t* lilygo_tdeck_init_display() {
.miso_io_num = LCD_PIN_MISO,
.quadwp_io_num = -1, // Quad SPI LCD driver is not yet supported
.quadhd_io_num = -1, // Quad SPI LCD driver is not yet supported
.max_transfer_sz = draw_buffer_size,
.max_transfer_sz = max_transfer_size,
};
if (spi_bus_initialize(LCD_SPI_HOST, &bus_config, SPI_DMA_CH_AUTO) != ESP_OK) {
@@ -154,17 +155,18 @@ lv_disp_t* lilygo_tdeck_init_display() {
.io_handle = io_handle,
.panel_handle = panel_handle,
.buffer_size = LCD_HORIZONTAL_RESOLUTION * LCD_DRAW_BUFFER_HEIGHT * (LCD_BITS_PER_PIXEL / 8),
.double_buffer = false,
.double_buffer = true, // Disable to free up SPIRAM
.hres = LCD_HORIZONTAL_RESOLUTION,
.vres = LCD_VERTICAL_RESOLUTION,
.monochrome = false,
.rotation = {
.swap_xy = true, // TODO: check if code above is still needed
.swap_xy = true,
.mirror_x = true,
.mirror_y = false,
},
.flags = {
.buff_dma = true,
.buff_dma = false,
.buff_spiram = true,
}
};