basic usb hub and mouse/keyboard handling

esp/CMakeLists.txt

@@ -2,5 +2,9 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.16)
 
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -fomit-frame-pointer")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -fomit-frame-pointer")
+
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(tiny386)

esp/dependencies.lock

@@ -54,14 +54,38 @@ dependencies:
       registry_url: https://components.espressif.com
       type: service
     version: 1.1.2
+  espressif/usb_host_hid:
+    component_hash: 824d49e67771af546c29d916bd8d7d3526cd2ff5e082d9021cab66d5f9c2b9bc
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.4'
+    - name: espressif/usb
+      registry_url: https://components.espressif.com
+      require: public
+      rules:
+      - if: idf_version >=6.0
+      - if: target not in ["linux"]
+      version: ^1.0.0
+    source:
+      registry_url: https://components.espressif.com/
+      type: service
+    targets:
+    - esp32s2
+    - esp32s3
+    - esp32p4
+    - esp32h4
+    - linux
+    version: 1.0.4
   idf:
     source:
       type: idf
     version: 5.2.6
 direct_dependencies:
 - espressif/esp_lcd_axs15231b
 - espressif/esp_lcd_st7701
+- espressif/usb_host_hid
 - idf
-manifest_hash: 26ab95a46a853deb322a62948df484e8d2884d3261f5e14c123bb2c7c815bbdd
+manifest_hash: 9471048bf42ff958751b9ce17ee25039b0a9492bfc573d97e8b456fd607e0eb7
 target: esp32s3
 version: 2.0.0

esp/main/CMakeLists.txt

@@ -21,6 +21,8 @@ idf_component_register(SRCS "esp_main.c"
 "lcd_st7701.c"
 "i2s.c"
 "storage.c"
+"usb_hid.c"
+"usb_input.c"
 INCLUDE_DIRS "")
 
 # XXX

esp/main/esp_main.c

@@ -165,14 +165,15 @@ void vga_task(void *arg);
 void i2s_main();
 void wifi_main(const char *, const char *);
 void storage_init(void);
+void usb_setup(void);
 
 struct esp_ini_config {
 	const char *filename;
 	char ssid[16];
 	char pass[32];
 };
 
-static void i386_task(void *arg)
+IRAM_ATTR static void i386_task(void *arg)
 {
 	struct esp_ini_config *config = arg;
 	int core_id = esp_cpu_get_core_id();
@@ -273,12 +274,15 @@ void app_main(void)
 			break;
 		}
 	}
+
+	usb_setup();
+
 	if (config.ssid[0]) {
 		wifi_main(config.ssid, config.pass);
 	}
 
 	if (psram) {
-		xTaskCreatePinnedToCore(i386_task, "i386_main", 4096, &config, 3, NULL, 1);
-		xTaskCreatePinnedToCore(vga_task, "vga_task", 4096, NULL, 0, NULL, 0);
+		xTaskCreatePinnedToCore(i386_task, "i386_main", 4096, &config, 20, NULL, 1);
+		xTaskCreatePinnedToCore(vga_task, "vga_task", 4096, NULL, 5, NULL, 0);
 	}
 }

esp/main/idf_component.yml

@@ -16,3 +16,4 @@ dependencies:
   #   public: true
   espressif/esp_lcd_axs15231b: ==1.0.0
   espressif/esp_lcd_st7701: '*'
+  usb_host_hid: "^1.0.1"