diff options
Diffstat (limited to 'examples/device/webusb_serial')
| -rw-r--r-- | examples/device/webusb_serial/README.md | 2 | ||||
| -rw-r--r-- | examples/device/webusb_serial/src/main.c | 2 | ||||
| -rw-r--r-- | examples/device/webusb_serial/src/usb_descriptors.c | 11 |
3 files changed, 4 insertions, 11 deletions
diff --git a/examples/device/webusb_serial/README.md b/examples/device/webusb_serial/README.md index 5ca70f909..15837e59e 100644 --- a/examples/device/webusb_serial/README.md +++ b/examples/device/webusb_serial/README.md @@ -51,4 +51,4 @@ make BOARD=raspberry_pi_pico all After flashing, open the landing page (`https://example.tinyusb.org/webusb-serial/index.html`) in a WebUSB-capable browser such as Chrome, click **Connect**, and select the device — the on-board LED lights solid once connected. Characters typed in the web page are echoed back, and are also mirrored to the CDC serial port (e.g. `/dev/ttyACM0`) and vice versa. -On Linux/macOS you may need to install the udev rules from `examples/device/99-tinyusb.rules` for the browser to access the device. +On Linux/macOS you may need to install the udev rules from `examples/device/99-tinyusb-examples.rules` for the browser to access the device. diff --git a/examples/device/webusb_serial/src/main.c b/examples/device/webusb_serial/src/main.c index 4be5e4db4..e200c334c 100644 --- a/examples/device/webusb_serial/src/main.c +++ b/examples/device/webusb_serial/src/main.c @@ -39,7 +39,7 @@ * is done automatically by firmware. * * - On Linux/macOS, udev permission may need to be updated by - * - copying '/examples/device/99-tinyusb.rules' file to /etc/udev/rules.d/ then + * - copying 'examples/device/99-tinyusb-examples.rules' file to /etc/udev/rules.d/ then * - run 'sudo udevadm control --reload-rules && sudo udevadm trigger' */ 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 |