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-rw-r--r--examples/device/audio_4_channel_mic/src/usb_descriptors.c11
-rw-r--r--examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c11
-rw-r--r--examples/device/audio_test/src/usb_descriptors.c11
-rw-r--r--examples/device/audio_test_freertos/src/usb_descriptors.c11
-rw-r--r--examples/device/audio_test_multi_rate/src/usb_descriptors.c11
-rw-r--r--examples/device/cdc_dual_ports/src/usb_descriptors.c11
-rw-r--r--examples/device/cdc_msc/src/usb_descriptors.c11
-rw-r--r--examples/device/cdc_msc_freertos/src/usb_descriptors.c11
-rw-r--r--examples/device/cdc_msc_throughput/src/usb_descriptors.c3
-rw-r--r--examples/device/cdc_uac2/src/usb_descriptors.c11
-rw-r--r--examples/device/dfu/src/usb_descriptors.c10
-rw-r--r--examples/device/dfu_runtime/src/usb_descriptors.c10
-rw-r--r--examples/device/dynamic_configuration/src/usb_descriptors.c13
-rw-r--r--examples/device/hid_boot_interface/src/usb_descriptors.c10
-rw-r--r--examples/device/hid_composite/src/usb_descriptors.c11
-rw-r--r--examples/device/hid_composite_freertos/src/usb_descriptors.c11
-rw-r--r--examples/device/hid_generic_inout/src/usb_descriptors.c11
-rw-r--r--examples/device/hid_multiple_interface/src/usb_descriptors.c11
-rw-r--r--examples/device/midi_test/src/usb_descriptors.c11
-rw-r--r--examples/device/midi_test_freertos/src/usb_descriptors.c11
-rw-r--r--examples/device/msc_dual_lun/src/usb_descriptors.c11
-rw-r--r--examples/device/mtp/src/usb_descriptors.c11
-rw-r--r--examples/device/net_lwip_webserver/src/usb_descriptors.c12
-rw-r--r--examples/device/printer_to_cdc/src/usb_descriptors.c2
-rw-r--r--examples/device/uac2_headset/src/usb_descriptors.c11
-rw-r--r--examples/device/uac2_speaker_fb/src/usb_descriptors.c11
-rw-r--r--examples/device/usbtest/src/main.c8
-rw-r--r--examples/device/usbtest/src/usb_descriptors.c24
-rw-r--r--examples/device/usbtest/src/usb_descriptors.h11
-rw-r--r--examples/device/usbtmc/src/usb_descriptors.c11
-rw-r--r--examples/device/video_capture/src/usb_descriptors.c11
-rw-r--r--examples/device/video_capture_2ch/src/usb_descriptors.c11
-rw-r--r--examples/device/webusb_serial/src/usb_descriptors.c11
-rw-r--r--examples/dual/dynamic_switch/src/usb_descriptors.c11
-rw-r--r--examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c11
-rw-r--r--examples/dual/host_info_to_device_cdc/src/usb_descriptors.c11
36 files changed, 100 insertions, 289 deletions
diff --git a/examples/device/audio_4_channel_mic/src/usb_descriptors.c b/examples/device/audio_4_channel_mic/src/usb_descriptors.c
index 6b9a9bbae..42da9442c 100644
--- a/examples/device/audio_4_channel_mic/src/usb_descriptors.c
+++ b/examples/device/audio_4_channel_mic/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4001
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c b/examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c
index 216cd062a..0afb3df0a 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c
+++ b/examples/device/audio_4_channel_mic_freertos/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4002
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/audio_test/src/usb_descriptors.c b/examples/device/audio_test/src/usb_descriptors.c
index cea4eb8d1..8c25fc290 100644
--- a/examples/device/audio_test/src/usb_descriptors.c
+++ b/examples/device/audio_test/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4003
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/audio_test_freertos/src/usb_descriptors.c b/examples/device/audio_test_freertos/src/usb_descriptors.c
index 37ebf84d3..709425c49 100644
--- a/examples/device/audio_test_freertos/src/usb_descriptors.c
+++ b/examples/device/audio_test_freertos/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4004
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/audio_test_multi_rate/src/usb_descriptors.c b/examples/device/audio_test_multi_rate/src/usb_descriptors.c
index b1f60dd10..008c8cd76 100644
--- a/examples/device/audio_test_multi_rate/src/usb_descriptors.c
+++ b/examples/device/audio_test_multi_rate/src/usb_descriptors.c
@@ -28,15 +28,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4005
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/cdc_dual_ports/src/usb_descriptors.c b/examples/device/cdc_dual_ports/src/usb_descriptors.c
index adfd8cf9d..779221c0c 100644
--- a/examples/device/cdc_dual_ports/src/usb_descriptors.c
+++ b/examples/device/cdc_dual_ports/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4006
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/cdc_msc/src/usb_descriptors.c b/examples/device/cdc_msc/src/usb_descriptors.c
index 5dc80dee3..140ef2140 100644
--- a/examples/device/cdc_msc/src/usb_descriptors.c
+++ b/examples/device/cdc_msc/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4007
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/cdc_msc_freertos/src/usb_descriptors.c b/examples/device/cdc_msc_freertos/src/usb_descriptors.c
index f5b015051..8398f0365 100644
--- a/examples/device/cdc_msc_freertos/src/usb_descriptors.c
+++ b/examples/device/cdc_msc_freertos/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4008
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/cdc_msc_throughput/src/usb_descriptors.c b/examples/device/cdc_msc_throughput/src/usb_descriptors.c
index 3b0ff6e17..ba0b0a26f 100644
--- a/examples/device/cdc_msc_throughput/src/usb_descriptors.c
+++ b/examples/device/cdc_msc_throughput/src/usb_descriptors.c
@@ -26,7 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-#define USB_PID (0x4000 | ((CFG_TUD_CDC) ? (1 << 0) : 0) | ((CFG_TUD_MSC) ? (1 << 1) : 0))
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4009
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/cdc_uac2/src/usb_descriptors.c b/examples/device/cdc_uac2/src/usb_descriptors.c
index fdffc761e..9c1bbee47 100644
--- a/examples/device/cdc_uac2/src/usb_descriptors.c
+++ b/examples/device/cdc_uac2/src/usb_descriptors.c
@@ -29,15 +29,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x400a
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/dfu/src/usb_descriptors.c b/examples/device/dfu/src/usb_descriptors.c
index e4291be2d..5bfb32b2e 100644
--- a/examples/device/dfu/src/usb_descriptors.c
+++ b/examples/device/dfu/src/usb_descriptors.c
@@ -26,14 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4))
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x400b
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/dfu_runtime/src/usb_descriptors.c b/examples/device/dfu_runtime/src/usb_descriptors.c
index 8fa078da2..273566414 100644
--- a/examples/device/dfu_runtime/src/usb_descriptors.c
+++ b/examples/device/dfu_runtime/src/usb_descriptors.c
@@ -26,14 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4))
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x400c
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/dynamic_configuration/src/usb_descriptors.c b/examples/device/dynamic_configuration/src/usb_descriptors.c
index c4049414f..838052ea1 100644
--- a/examples/device/dynamic_configuration/src/usb_descriptors.c
+++ b/examples/device/dynamic_configuration/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x400d
// Configuration mode
// 0 : enumerated as CDC/MIDI. Board button is not pressed when enumerating
@@ -79,7 +72,7 @@ tusb_desc_device_t const desc_device_1 =
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.idVendor = 0xCafe,
- .idProduct = USB_PID + 11, // should be different PID than desc0
+ .idProduct = USB_PID + 0x0100, // must differ from desc0's PID and stay outside the 0x40xx per-example space
.bcdDevice = 0x0100,
.iManufacturer = 0x01,
diff --git a/examples/device/hid_boot_interface/src/usb_descriptors.c b/examples/device/hid_boot_interface/src/usb_descriptors.c
index b5c31a94a..4d5caa835 100644
--- a/examples/device/hid_boot_interface/src/usb_descriptors.c
+++ b/examples/device/hid_boot_interface/src/usb_descriptors.c
@@ -27,14 +27,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4))
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x400e
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/hid_composite/src/usb_descriptors.c b/examples/device/hid_composite/src/usb_descriptors.c
index 46e4b63f9..7f5f74c70 100644
--- a/examples/device/hid_composite/src/usb_descriptors.c
+++ b/examples/device/hid_composite/src/usb_descriptors.c
@@ -27,15 +27,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x400f
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/hid_composite_freertos/src/usb_descriptors.c b/examples/device/hid_composite_freertos/src/usb_descriptors.c
index a745c17b5..a0464afae 100644
--- a/examples/device/hid_composite_freertos/src/usb_descriptors.c
+++ b/examples/device/hid_composite_freertos/src/usb_descriptors.c
@@ -27,15 +27,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4011
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/hid_generic_inout/src/usb_descriptors.c b/examples/device/hid_generic_inout/src/usb_descriptors.c
index 93e718461..f179b74f7 100644
--- a/examples/device/hid_generic_inout/src/usb_descriptors.c
+++ b/examples/device/hid_generic_inout/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4012
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/hid_multiple_interface/src/usb_descriptors.c b/examples/device/hid_multiple_interface/src/usb_descriptors.c
index cd2d93c44..90aef6dd7 100644
--- a/examples/device/hid_multiple_interface/src/usb_descriptors.c
+++ b/examples/device/hid_multiple_interface/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4013
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/midi_test/src/usb_descriptors.c b/examples/device/midi_test/src/usb_descriptors.c
index 99c798ce1..fc7228c35 100644
--- a/examples/device/midi_test/src/usb_descriptors.c
+++ b/examples/device/midi_test/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4014
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/midi_test_freertos/src/usb_descriptors.c b/examples/device/midi_test_freertos/src/usb_descriptors.c
index 99c798ce1..bfdbc555e 100644
--- a/examples/device/midi_test_freertos/src/usb_descriptors.c
+++ b/examples/device/midi_test_freertos/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4015
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/msc_dual_lun/src/usb_descriptors.c b/examples/device/msc_dual_lun/src/usb_descriptors.c
index b328cf17f..5e036a8c4 100644
--- a/examples/device/msc_dual_lun/src/usb_descriptors.c
+++ b/examples/device/msc_dual_lun/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4016
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/mtp/src/usb_descriptors.c b/examples/device/mtp/src/usb_descriptors.c
index 4c840560e..fefa8a239 100644
--- a/examples/device/mtp/src/usb_descriptors.c
+++ b/examples/device/mtp/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] MTP | VENDOR | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) | PID_MAP(MTP, 5))
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4017
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/net_lwip_webserver/src/usb_descriptors.c b/examples/device/net_lwip_webserver/src/usb_descriptors.c
index 09090bb92..85a6a420c 100644
--- a/examples/device/net_lwip_webserver/src/usb_descriptors.c
+++ b/examples/device/net_lwip_webserver/src/usb_descriptors.c
@@ -27,16 +27,8 @@
#include "class/net/net_device.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] NET | VENDOR | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID \
- (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) | \
- PID_MAP(ECM_RNDIS, 5) | PID_MAP(NCM, 5))
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4018
// String Descriptor Index
enum {
diff --git a/examples/device/printer_to_cdc/src/usb_descriptors.c b/examples/device/printer_to_cdc/src/usb_descriptors.c
index db7bfe97a..b9450c87e 100644
--- a/examples/device/printer_to_cdc/src/usb_descriptors.c
+++ b/examples/device/printer_to_cdc/src/usb_descriptors.c
@@ -29,7 +29,7 @@
#include "usb_descriptors.h"
#define USB_VID 0xCafe
-#define USB_PID 0x4005
+#define USB_PID 0x4019
#define USB_BCD 0x0200
//--------------------------------------------------------------------+
diff --git a/examples/device/uac2_headset/src/usb_descriptors.c b/examples/device/uac2_headset/src/usb_descriptors.c
index b554e7195..1615b92ec 100644
--- a/examples/device/uac2_headset/src/usb_descriptors.c
+++ b/examples/device/uac2_headset/src/usb_descriptors.c
@@ -28,15 +28,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x401a
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/uac2_speaker_fb/src/usb_descriptors.c b/examples/device/uac2_speaker_fb/src/usb_descriptors.c
index f0c780e38..40a36cbf4 100644
--- a/examples/device/uac2_speaker_fb/src/usb_descriptors.c
+++ b/examples/device/uac2_speaker_fb/src/usb_descriptors.c
@@ -28,15 +28,8 @@
#include "usb_descriptors.h"
#include "common_types.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VENDOR, 5) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x401b
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/device/usbtest/src/main.c b/examples/device/usbtest/src/main.c
index 78575ac9b..e57a90161 100644
--- a/examples/device/usbtest/src/main.c
+++ b/examples/device/usbtest/src/main.c
@@ -61,7 +61,9 @@ static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
// unintended short packet or ZLP.
static uint8_t const tx_chunk[CFG_TUD_VENDOR_TX_EPSIZE];
static uint8_t const int_tx_chunk[USBTEST_INT_EP_MPS];
+#if USBTEST_TIER >= 4
static uint8_t const iso_tx_chunk[USBTEST_ISO_EP_MPS];
+#endif
// Interrupt/iso submit one packet per (micro)frame, sized to the NEGOTIATED speed's mps — a
// high-speed build enumerated at full speed must submit the FS length, not the HS-capacity buffer
@@ -69,9 +71,11 @@ static uint8_t const iso_tx_chunk[USBTEST_ISO_EP_MPS];
static inline uint16_t usbtest_int_len(void) {
return (tud_speed_get() == TUSB_SPEED_HIGH) ? USBTEST_INT_EP_MPS_HS : USBTEST_INT_EP_MPS_FS;
}
+#if USBTEST_TIER >= 4
static inline uint16_t usbtest_iso_len(void) {
return (tud_speed_get() == TUSB_SPEED_HIGH) ? USBTEST_ISO_EP_MPS_HS : USBTEST_ISO_EP_MPS_FS;
}
+#endif
//------------- prototypes -------------//
void led_blinking_task(void* param);
@@ -125,10 +129,12 @@ static void usbtest_pump(void) {
tud_vendor_int_write(int_tx_chunk, usbtest_int_len());
}
+#if USBTEST_TIER >= 4
tud_vendor_iso_read_xfer(); // isochronous sink
if (tud_vendor_iso_write_available()) {
tud_vendor_iso_write(iso_tx_chunk, usbtest_iso_len());
}
+#endif
}
}
@@ -175,6 +181,7 @@ void tud_vendor_int_tx_cb(uint8_t idx, uint32_t sent_bytes) {
// Isochronous pair: same discard/refill pumps; a completion may be a missed
// frame, re-arm regardless
+#if USBTEST_TIER >= 4
void tud_vendor_iso_rx_cb(uint8_t idx, const uint8_t* buffer, uint32_t bufsize) {
(void) idx;
(void) buffer;
@@ -187,6 +194,7 @@ void tud_vendor_iso_tx_cb(uint8_t idx, uint32_t sent_bytes) {
(void) sent_bytes;
tud_vendor_iso_write(iso_tx_chunk, usbtest_iso_len());
}
+#endif
//--------------------------------------------------------------------+
// Vendor control requests (EP0)
diff --git a/examples/device/usbtest/src/usb_descriptors.c b/examples/device/usbtest/src/usb_descriptors.c
index 24efef453..b4f46adb8 100644
--- a/examples/device/usbtest/src/usb_descriptors.c
+++ b/examples/device/usbtest/src/usb_descriptors.c
@@ -67,21 +67,29 @@ enum {
// Vendor interface, Gadget-Zero style altsettings: alt 0 carries no endpoints (an
// isochronous endpoint must not claim bandwidth in the default altsetting, USB 2.0
-// 5.6.3), alt 1 carries bulk + interrupt + isochronous IN/OUT. The host usbtest
-// driver skips altsettings without pipes and selects alt 1 itself. No TUD_ macro
-// covers this layout, hand-rolled.
-#define USBTEST_DESC_LEN (9 + 9 + 6*7)
+// 5.6.3), alt 1 carries bulk + interrupt (+ isochronous IN/OUT at tier 4). The host
+// usbtest driver skips altsettings without pipes and selects alt 1 itself. No TUD_
+// macro covers this layout, hand-rolled.
+#if USBTEST_TIER >= 4
+ #define USBTEST_EP_COUNT 6
+ #define USBTEST_ISO_EPS(_isoout, _isoin, _iso_mps, _iso_interval) \
+ ,7, TUSB_DESC_ENDPOINT, _isoout, (uint8_t)(TUSB_XFER_ISOCHRONOUS | (uint8_t)(TUSB_ISO_EP_ATT_ASYNCHRONOUS)), U16_TO_U8S_LE(_iso_mps), _iso_interval,\
+ 7, TUSB_DESC_ENDPOINT, _isoin, (uint8_t)(TUSB_XFER_ISOCHRONOUS | (uint8_t)(TUSB_ISO_EP_ATT_ASYNCHRONOUS)), U16_TO_U8S_LE(_iso_mps), _iso_interval
+#else
+ #define USBTEST_EP_COUNT 4
+ #define USBTEST_ISO_EPS(_isoout, _isoin, _iso_mps, _iso_interval)
+#endif
+#define USBTEST_DESC_LEN (9 + 9 + USBTEST_EP_COUNT*7)
#define USBTEST_DESCRIPTOR(_itfnum, _stridx, _epout, _epin, _bulk_mps, _intout, _intin, _int_mps, _int_interval, _isoout, _isoin, _iso_mps, _iso_interval) \
/* alt 0: zero bandwidth, no endpoints */\
9, TUSB_DESC_INTERFACE, _itfnum, 0, 0, TUSB_CLASS_VENDOR_SPECIFIC, 0x00, 0x00, _stridx,\
/* alt 1: full source/sink set */\
- 9, TUSB_DESC_INTERFACE, _itfnum, 1, 6, TUSB_CLASS_VENDOR_SPECIFIC, 0x00, 0x00, _stridx,\
+ 9, TUSB_DESC_INTERFACE, _itfnum, 1, USBTEST_EP_COUNT, TUSB_CLASS_VENDOR_SPECIFIC, 0x00, 0x00, _stridx,\
7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_bulk_mps), 0,\
7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_bulk_mps), 0,\
7, TUSB_DESC_ENDPOINT, _intout, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_int_mps), _int_interval,\
- 7, TUSB_DESC_ENDPOINT, _intin, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_int_mps), _int_interval,\
- 7, TUSB_DESC_ENDPOINT, _isoout, (uint8_t)(TUSB_XFER_ISOCHRONOUS | (uint8_t)(TUSB_ISO_EP_ATT_ASYNCHRONOUS)), U16_TO_U8S_LE(_iso_mps), _iso_interval,\
- 7, TUSB_DESC_ENDPOINT, _isoin, (uint8_t)(TUSB_XFER_ISOCHRONOUS | (uint8_t)(TUSB_ISO_EP_ATT_ASYNCHRONOUS)), U16_TO_U8S_LE(_iso_mps), _iso_interval
+ 7, TUSB_DESC_ENDPOINT, _intin, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_int_mps), _int_interval\
+ USBTEST_ISO_EPS(_isoout, _isoin, _iso_mps, _iso_interval)
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + USBTEST_DESC_LEN)
diff --git a/examples/device/usbtest/src/usb_descriptors.h b/examples/device/usbtest/src/usb_descriptors.h
index 61b931bd0..bcf8b5ec4 100644
--- a/examples/device/usbtest/src/usb_descriptors.h
+++ b/examples/device/usbtest/src/usb_descriptors.h
@@ -32,7 +32,16 @@
// 2: + vendor control 0x5b/0x5c (ctrl_out)
// 3: + interrupt source/sink
// 4: + isochronous source/sink
-#define USBTEST_TIER 4
+// Default is the full tier 4; a board whose DCD cannot serve a tier lowers it here
+// (BOARD_<NAME> is defined by both build systems) and the host battery follows.
+#ifndef USBTEST_TIER
+ #if defined(BOARD_RA2A1_EK)
+ // RA2A1's RUSB2 instance has no isochronous pipe (other RA parts have pipes 1-2)
+ #define USBTEST_TIER 3
+ #else
+ #define USBTEST_TIER 4
+ #endif
+#endif
// Interrupt/isochronous endpoint max packet sizes, must match the configuration descriptor.
// TUD_OPT_HIGH_SPEED is a compile-time capability flag, NOT the live bus speed, so the full-speed
diff --git a/examples/device/usbtmc/src/usb_descriptors.c b/examples/device/usbtmc/src/usb_descriptors.c
index ecdcef834..5ba5d9367 100644
--- a/examples/device/usbtmc/src/usb_descriptors.c
+++ b/examples/device/usbtmc/src/usb_descriptors.c
@@ -28,15 +28,8 @@
#include "class/usbtmc/usbtmc.h"
#include "class/usbtmc/usbtmc_device.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x401c
#define USB_VID 0xcafe
#define USB_BCD 0x0200
diff --git a/examples/device/video_capture/src/usb_descriptors.c b/examples/device/video_capture/src/usb_descriptors.c
index b3382c82d..d5d805f0b 100644
--- a/examples/device/video_capture/src/usb_descriptors.c
+++ b/examples/device/video_capture/src/usb_descriptors.c
@@ -27,15 +27,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] VIDEO | AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VIDEO, 5) | PID_MAP(VENDOR, 6) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x401d
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/video_capture_2ch/src/usb_descriptors.c b/examples/device/video_capture_2ch/src/usb_descriptors.c
index 8dc986da6..ad65cc019 100644
--- a/examples/device/video_capture_2ch/src/usb_descriptors.c
+++ b/examples/device/video_capture_2ch/src/usb_descriptors.c
@@ -27,15 +27,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] VIDEO | AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VIDEO, 5) | PID_MAP(VENDOR, 6) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x401e
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/device/webusb_serial/src/usb_descriptors.c b/examples/device/webusb_serial/src/usb_descriptors.c
index 527837161..5986bffdf 100644
--- a/examples/device/webusb_serial/src/usb_descriptors.c
+++ b/examples/device/webusb_serial/src/usb_descriptors.c
@@ -27,15 +27,8 @@
#include "tusb.h"
#include "usb_descriptors.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x401f
//--------------------------------------------------------------------+
// Device Descriptors
diff --git a/examples/dual/dynamic_switch/src/usb_descriptors.c b/examples/dual/dynamic_switch/src/usb_descriptors.c
index ef6d795b7..c6d80e2ab 100644
--- a/examples/dual/dynamic_switch/src/usb_descriptors.c
+++ b/examples/dual/dynamic_switch/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4))
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4020
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c b/examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c
index 3efa30e20..3dc32e3f4 100644
--- a/examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c
+++ b/examples/dual/host_hid_to_device_cdc/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4021
#define USB_VID 0xCafe
#define USB_BCD 0x0200
diff --git a/examples/dual/host_info_to_device_cdc/src/usb_descriptors.c b/examples/dual/host_info_to_device_cdc/src/usb_descriptors.c
index 3efa30e20..4fa3bcbc7 100644
--- a/examples/dual/host_info_to_device_cdc/src/usb_descriptors.c
+++ b/examples/dual/host_info_to_device_cdc/src/usb_descriptors.c
@@ -26,15 +26,8 @@
#include "bsp/board_api.h"
#include "tusb.h"
-/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
- * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
- *
- * Auto ProductID layout's Bitmap:
- * [MSB] HID | MSC | CDC [LSB]
- */
-#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0)
-#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
- PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
+// Unique PID per example: guarantees re-enumeration on re-flash and a fresh host driver match.
+#define USB_PID 0x4022
#define USB_VID 0xCafe
#define USB_BCD 0x0200