wip: onboard pid

src/usb/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.20.0)
+
+target_include_directories(app PRIVATE ./)
+
+target_sources(app PRIVATE
+    usb_cdc_acm.cpp
+)

src/usb/usb_cdc_acm.cpp

@@ -0,0 +1,38 @@
+#include <zephyr/usb/usbd.h>
+
+#include "usb_cdc_acm.hpp"
+
+USBD_DEVICE_DEFINE(usb0, DEVICE_DT_GET(DT_NODELABEL(zephyr_udc0)), 0x2fe3, 0xffff);
+USBD_DESC_LANG_DEFINE(usb0_lang);
+USBD_DESC_MANUFACTURER_DEFINE(usb0_mfr, "Ohmman & Co. KG");
+USBD_DESC_PRODUCT_DEFINE(usb0_prod, "Microros Servo Node");
+
+USBD_DESC_CONFIG_DEFINE(fs_cfg_desc, "FS Configuration");
+USBD_CONFIGURATION_DEFINE(usb0_conf, USB_SCD_SELF_POWERED, 100, &fs_cfg_desc);
+
+static const char *const usb0_blocklist[] = {
+	"dfu_dfu",
+	NULL,
+};
+
+void usb_init(void) {
+    usbd_add_descriptor(&usb0, &usb0_lang);
+    usbd_add_descriptor(&usb0, &usb0_mfr);
+    usbd_add_descriptor(&usb0, &usb0_prod);
+    //usbd_add_descriptor(&usb0, &usb0_sn);
+
+    if (usbd_add_configuration(&usb0, USBD_SPEED_FS, &usb0_conf)) {
+		printk("Failed to add Full-Speed configuration\r\n");
+		return;
+	}
+
+    if (usbd_register_all_classes(&usb0, USBD_SPEED_FS, 1, usb0_blocklist)) {
+        printk("Failed to register usb classes\r\n");
+        return;
+    }
+
+	usbd_device_set_code_triple(&usb0, USBD_SPEED_FS, USB_BCC_APPLICATION, 0x02, 0x01);
+
+    usbd_init(&usb0);
+    usbd_enable(&usb0);
+}

src/usb/usb_cdc_acm.hpp

@@ -0,0 +1,3 @@
+#pragma once
+
+void usb_init(void);