diff options
Diffstat (limited to 'stmhal/usb.c')
| -rw-r--r-- | stmhal/usb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/stmhal/usb.c b/stmhal/usb.c index 152dc8f3cd..c522b64432 100644 --- a/stmhal/usb.c +++ b/stmhal/usb.c @@ -58,10 +58,14 @@ void pyb_usb_dev_init(usb_device_mode_t mode, usb_storage_medium_t medium) { #ifdef USE_DEVICE_MODE if (!dev_is_enabled) { // only init USB once in the device's power-lifetime + // Windows needs a different PID to distinguish different device + // configurations, so we set it here depending on mode. if (mode == USB_DEVICE_MODE_CDC_MSC) { USBD_SelectMode(USBD_MODE_CDC_MSC); + USBD_SetPID(0x9800); } else { USBD_SelectMode(USBD_MODE_CDC_HID); + USBD_SetPID(0x9801); } USBD_Init(&hUSBDDevice, (USBD_DescriptorsTypeDef*)&VCP_Desc, 0); USBD_RegisterClass(&hUSBDDevice, &USBD_CDC_MSC_HID); |