5 files changed, 38 insertions, 21 deletions
diff --git a/examples/host/device_info/CMakeLists.txt b/examples/host/device_info/CMakeLists.txt
index 6a16155ec..33953233d 100644
--- a/examples/host/device_info/CMakeLists.txt
+++ b/examples/host/device_info/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.17)
+cmake_minimum_required(VERSION 3.20)
 
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake)
 
diff --git a/examples/host/device_info/CMakePresets.json b/examples/host/device_info/CMakePresets.json
new file mode 100644
index 000000000..5cd8971e9
--- /dev/null
+++ b/examples/host/device_info/CMakePresets.json
@@ -0,0 +1,6 @@
+{
+  "version": 6,
+  "include": [
+    "../../../hw/bsp/BoardPresets.json"
+  ]
+}
diff --git a/examples/host/device_info/only.txt b/examples/host/device_info/only.txt
index b6f87f423..b5a4b6739 100644
--- a/examples/host/device_info/only.txt
+++ b/examples/host/device_info/only.txt
@@ -18,3 +18,5 @@ mcu:RAXXX
 mcu:STM32F4
 mcu:STM32F7
 mcu:STM32H7
+mcu:STM32H7RS
+mcu:STM32N6
diff --git a/examples/host/device_info/src/main.c b/examples/host/device_info/src/main.c
index 775968c16..7189972d6 100644
--- a/examples/host/device_info/src/main.c
+++ b/examples/host/device_info/src/main.c
@@ -81,7 +81,7 @@ void init_freertos_task(void);
 //--------------------------------------------------------------------
 // Main
 //--------------------------------------------------------------------
-void init_tinyusb(void) {
+static void init_tinyusb(void) {
   // init host stack on configured roothub port
   tusb_rhport_init_t host_init = {
     .role = TUSB_ROLE_HOST,
@@ -124,13 +124,18 @@ void tuh_mount_cb(uint8_t daddr) {
   }
 
   printf("Device %u: ID %04x:%04x SN ", daddr, desc.device.idVendor, desc.device.idProduct);
-  xfer_result = tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, desc.serial, sizeof(desc.serial));
+
+  xfer_result = XFER_RESULT_FAILED;
+  if (desc.device.iSerialNumber != 0) {
+    xfer_result = tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, desc.serial, sizeof(desc.serial));
+  }
   if (XFER_RESULT_SUCCESS != xfer_result) {
     uint16_t* serial = (uint16_t*)(uintptr_t) desc.serial;
-    serial[0] = 'n';
-    serial[1] = '/';
-    serial[2] = 'a';
-    serial[3] = 0;
+    serial[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * 3 + 2));
+    serial[1] = 'n';
+    serial[2] = '/';
+    serial[3] = 'a';
+    serial[4] = 0;
   }
   print_utf16((uint16_t*)(uintptr_t) desc.serial, sizeof(desc.serial)/2);
   printf("\r\n");
@@ -150,16 +155,20 @@ void tuh_mount_cb(uint8_t daddr) {
   // Get String descriptor using Sync API
 
   printf("  iManufacturer       %u     ", desc.device.iManufacturer);
-  xfer_result = tuh_descriptor_get_manufacturer_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf));
-  if (XFER_RESULT_SUCCESS == xfer_result) {
-    print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2);
+  if (desc.device.iManufacturer != 0) {
+    xfer_result = tuh_descriptor_get_manufacturer_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf));
+    if (XFER_RESULT_SUCCESS == xfer_result) {
+      print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2);
+    }
   }
   printf("\r\n");
 
   printf("  iProduct            %u     ", desc.device.iProduct);
-  xfer_result = tuh_descriptor_get_product_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf));
-  if (XFER_RESULT_SUCCESS == xfer_result) {
-    print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2);
+  if (desc.device.iProduct != 0) {
+    xfer_result = tuh_descriptor_get_product_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf));
+    if (XFER_RESULT_SUCCESS == xfer_result) {
+      print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2);
+    }
   }
   printf("\r\n");
 
@@ -259,7 +268,7 @@ void led_blinking_task(void* param) {
 
 #define BLINKY_STACK_SIZE   configMINIMAL_STACK_SIZE
 
-#if TUSB_MCU_VENDOR_ESPRESSIF
+#ifdef ESP_PLATFORM
   #define USB_STACK_SIZE     4096
 #else
   // Increase stack size when debug log is enabled
@@ -276,7 +285,7 @@ StackType_t  usb_stack[USB_STACK_SIZE];
 StaticTask_t usb_taskdef;
 #endif
 
-#if TUSB_MCU_VENDOR_ESPRESSIF
+#ifdef ESP_PLATFORM
 void app_main(void) {
   main();
 }
@@ -299,8 +308,8 @@ void init_freertos_task(void) {
   xTaskCreate(usb_host_task, "usbh", USB_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL);
 #endif
 
-  // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-#if !TUSB_MCU_VENDOR_ESPRESSIF
+  // only start scheduler for non-espressif mcu
+#ifndef ESP_PLATFORM
   vTaskStartScheduler();
 #endif
 }
diff --git a/examples/host/device_info/src/tusb_config.h b/examples/host/device_info/src/tusb_config.h
index 5190b5b1f..e4ca2528e 100644
--- a/examples/host/device_info/src/tusb_config.h
+++ b/examples/host/device_info/src/tusb_config.h
@@ -40,7 +40,7 @@
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUSB_MCU_VENDOR_ESPRESSIF
+#ifdef ESP_PLATFORM
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
@@ -74,9 +74,10 @@
 // Enable Host stack
 #define CFG_TUH_ENABLED       1
 
+// #define CFG_TUH_MAX3421       1 // use max3421 as host controller
+
 #if CFG_TUSB_MCU == OPT_MCU_RP2040
   // #define CFG_TUH_RPI_PIO_USB   1 // use pio-usb as host controller
-  // #define CFG_TUH_MAX3421       1 // use max3421 as host controller
 
   // host roothub port is 1 if using either pio-usb or max3421
   #if (defined(CFG_TUH_RPI_PIO_USB) && CFG_TUH_RPI_PIO_USB) || (defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
@@ -109,8 +110,7 @@
 // only hub class is enabled
 #define CFG_TUH_HUB                 1
 
-// max device support (excluding hub device)
-// 1 hub typically has 4 ports
+// max device support (excluding hub device): 1 hub typically has 4 ports
 #define CFG_TUH_DEVICE_MAX          (3*CFG_TUH_HUB + 1)
 
 #ifdef __cplusplus