Add support for ST7789 displays

Right now it has been tested only on 320x240 displays, such as the one used on LilyGo T-Deck. Signed-off-by: Davide Bettio <[email protected]>
atomvm · Oct 20, 2024 · 1aaf2b1 · 1aaf2b1
1 parent af6d613
commit 1aaf2b1
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diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -33,6 +33,7 @@ idf_component_register(SRCS
     "ili934x_display_driver.c"
     "memory_display_driver.c"
     "ssd1306_display_driver.c"
+    "st7789_display_driver.c"
     "spi_display.c"
     "backlight_gpio.c"
     PRIV_REQUIRES "libatomvm" "avm_sys" "avm_builtins" "driver" "sdmmc" "vfs" "fatfs"

diff --git a/display_driver.c b/display_driver.c
@@ -33,6 +33,7 @@ Context *acep_5in65_7c_display_driver_create_port(GlobalContext *global, term op
 Context *ili934x_display_create_port(GlobalContext *global, term opts);
 Context *memory_lcd_display_create_port(GlobalContext *global, term opts);
 Context *ssd1306_display_create_port(GlobalContext *global, term opts);
+Context *st7789_display_create_port(GlobalContext *global, term opts);
 
 Context *display_create_port(GlobalContext *global, term opts)
 {
@@ -64,6 +65,8 @@ Context *display_create_port(GlobalContext *global, term opts)
         ctx = ssd1306_display_create_port(global, opts);
     } else if (!strcmp(compat_string, "sino-wealth,sh1106")) {
         ctx = ssd1306_display_create_port(global, opts);
+    } else if (!strcmp(compat_string, "sitronix,st7789")) {
+        ctx = st7789_display_create_port(global, opts);
     } else {
         ESP_LOGE(TAG, "No matching display driver for given `comptaible`: `%s`.", compat_string);
     }