Feature add ESP32-C3-LcdKit (#3)

* add ESP32-C3 DevKit

Author: georgik

.github/workflows/build.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        board: [esp32_p4_function_ev_board]
+        board: [esp32_p4_function_ev_board, esp32_c3_lcdkit]
       fail-fast: false
 
     steps:
@@ -41,6 +41,7 @@ jobs:
             esp-box) echo 'esp32s3';;
             m5stack_core_s3) echo 'esp32s3';;
             esp32_p4_function_ev_board) echo 'esp32p4';;
+            esp32_c3_lcdkit) echo 'esp32c3';;
             *) echo 'Unknown target'; exit 1;;
           esac)" >> $GITHUB_ENV
 

.github/workflows/release.yml

@@ -6,11 +6,11 @@ on:
       release_name:
         description: 'Name of the GitHub Release'
         required: true
-        default: 'v1.0.0'
+        default: 'v1.1.0'
       release_tag:
         description: 'Tag for the GitHub Release'
         required: true
-        default: 'v1.0.0'
+        default: 'v1.1.0'
       prefix:
         description: 'Prefix for binary name'
         required: true

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        board: [esp32_p4_function_ev_board]
+        board: [esp32_p4_function_ev_board, esp32_c3_lcdkit]
       fail-fast: false
 
     steps:

README.md

@@ -2,7 +2,7 @@
 
 ![Test Status](https://github.com/georgik/esp32-sdl3-swift-example/actions/workflows/test.yml/badge.svg)
 
-Example of graphical application for ESP32-P4.
+Example of graphical application for ESP32-C3, ESP32-P4.
 
 Read more about Swift for ESP32 at [Espressif Developer Portal](https://developer.espressif.com/tags/swift/).
 
@@ -14,10 +14,20 @@ Read more about Swift for ESP32 at [Espressif Developer Portal](https://develope
 
 ## Build
 
+ESP32-P4-Function-Ev-Board:
+
 ```shell
 idf.py @boards/esp32_p4_function_ev_board.cfg flash monitor
 ```
 
+ESP32-C3-LcdKit:
+
+![ESP32-C3-LcdKit](docs/img/esp32-c3-lcdkit.webp)
+
+```shell
+idf.py @boards/e@boards/esp32_c3_lcdkit.cfg flash monitor
+```
+
 ## Credits
 
 - Graphical assets: https://opengameart.org/content/platformer-tiles

boards/esp32_c3_lcdkit.cfg

@@ -0,0 +1 @@
+-DSDKCONFIG_DEFAULTS="sdkconfig.defaults.esp32_c3_lcdkit;sdkconfig.defaults" -DBUILD_BOARD="esp32_c3_lcdkit" -DIDF_TARGET=esp32c3 -B build.esp32_c3_lcdkit

boards/esp32_c3_lcdkit/diagram.json

@@ -0,0 +1,35 @@
+{
+  "version": 1,
+  "author": "Juraj Michálek",
+  "editor": "wokwi",
+  "parts": [
+    {
+      "type": "board-esp32-c3-devkitm-1",
+      "id": "esp",
+      "top": -494.32,
+      "left": -455.03,
+      "attrs": { "builder": "rust-std-esp32" }
+    },
+    { "type": "wokwi-ili9341", "id": "lcd1", "top": -546.22, "left": -134.92, "attrs": {} },
+    { "type": "wokwi-ky-040", "id": "encoder1", "top": -417.5, "left": -703.6, "attrs": {} }
+  ],
+  "connections": [
+    [ "esp:TX", "$serialMonitor:RX", "", [] ],
+    [ "esp:RX", "$serialMonitor:TX", "", [] ],
+    [ "esp:3V3", "lcd1:VCC", "green", [] ],
+    [ "esp:GND.1", "lcd1:GND", "black", [ "v215.62", "h374.23" ] ],
+    [ "esp:1", "lcd1:SCK", "blue", [ "v215.62", "h422.24" ] ],
+    [ "esp:7", "lcd1:CS", "red", [ "v186.82", "h295.01" ] ],
+    [ "esp:2", "lcd1:D/C", "magenta", [ "v215.62", "h403.03" ] ],
+    [ "esp:0", "lcd1:MOSI", "orange", [ "v215.62", "h412.64" ] ],
+    [ "esp:3", "lcd1:LED", "white", [ "v234.82", "h431.84" ] ],
+    [ "lcd1:LED", "esp:3V3", "white", [] ],
+    [ "esp:10", "encoder1:DT", "green", [] ],
+    [ "esp:9", "encoder1:CLK", "blue", [] ],
+    [ "esp:3V3", "encoder1:VCC", "red", [] ],
+    [ "esp:GND.1", "encoder1:GND", "black", [] ],
+    [ "esp:8", "encoder1:SW", "yellow", [] ]
+  ],
+  "serialMonitor": { "display": "terminal", "newline": "lf", "convertEol": true },
+  "dependencies": {}
+}

boards/esp32_c3_lcdkit/wokwi.toml

@@ -0,0 +1,7 @@
+# Wokwi Configuration File
+# Reference: https://docs.wokwi.com/vscode/project-config
+[wokwi]
+version = 1
+firmware = 'build.esp32_c3_lcdkit/flasher_args.json'
+elf = 'build.esp32_c3_lcdkit/esp32-sdl3-swift-example.elf'
+gdbServerPort=3333

docs/img/esp32-c3-lcdkit.webp

@@ -24,7 +24,7 @@ func app_main() {
     var attr = pthread_attr_t()
 
     pthread_attr_init(&attr)
-    pthread_attr_setstacksize(&attr, 65536) // Set the stack size for the thread
+    pthread_attr_setstacksize(&attr, 32000) // Set the stack size for the thread
 
     // Create the SDL thread
     let ret = pthread_create(&sdl_pthread, &attr, sdl_thread_entry_point, nil)
@@ -76,6 +76,15 @@ func sdl_thread_entry_point(arg: UnsafeMutableRawPointer?) -> UnsafeMutableRawPo
         return nil
     }
 
+    var width: Int32 = 0
+    var height: Int32 = 0
+
+    // Get window size
+    SDL_GetWindowSize(window, &width, &height)
+
+    // Print the resolution
+    print("Display resolution: \(width)x\(height)")
+
     // Create SDL renderer
     guard let renderer = SDL_CreateRenderer(window, nil) else {
         print("Failed to create renderer")

main/Main.swift

@@ -1,7 +1,7 @@
 ## IDF Component Manager Manifest File
 dependencies:
   joltwallet/littlefs: "==1.14.8"
-  georgik/sdl: "^3.1.2~8"
+  georgik/sdl: "^3.1.2~9"
   georgik/sdl_ttf: "^3.0.0~3"
   idf:
     version: ">=5.1.0"
@@ -10,3 +10,8 @@ dependencies:
     version: "3.0.1"
     rules:
     - if: "${BUILD_BOARD} == esp32_p4_function_ev_board_noglib"
+
+  espressif/esp32_c3_lcdkit:
+    version: "^1.1.0~1"
+    rules:
+    - if: "${BUILD_BOARD} == esp32_c3_lcdkit"

main/idf_component.yml

@@ -0,0 +1,23 @@
+# This file was generated using idf.py save-defconfig. It can be edited manually.
+# Espressif IoT Development Framework (ESP-IDF) 5.4.0 Project Minimal Configuration
+#
+CONFIG_IDF_TARGET="esp32c3"
+CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
+CONFIG_PARTITION_TABLE_CUSTOM=y
+
+CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
+CONFIG_COMPILER_OPTIMIZATION_PERF=y
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_MODE_OCT=y
+CONFIG_SPIRAM_FETCH_INSTRUCTIONS=y
+CONFIG_SPIRAM_RODATA=y
+CONFIG_SPIRAM_SPEED_80M=y
+CONFIG_FREERTOS_HZ=1000
+CONFIG_BSP_LCD_RGB_BUFFER_NUMS=2
+CONFIG_BSP_LCD_RGB_BOUNCE_BUFFER_MODE=y
+CONFIG_SPIRAM_MODE_HEX=y
+CONFIG_SPIRAM_SPEED_200M=y
+CONFIG_IDF_EXPERIMENTAL_FEATURES=y
+
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=8912
+