diff options
Diffstat (limited to 'examples/device/net_lwip_webserver/src/usb_descriptors.c')
| -rw-r--r-- | examples/device/net_lwip_webserver/src/usb_descriptors.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/examples/device/net_lwip_webserver/src/usb_descriptors.c b/examples/device/net_lwip_webserver/src/usb_descriptors.c index d63816037..f1c0b478c 100644 --- a/examples/device/net_lwip_webserver/src/usb_descriptors.c +++ b/examples/device/net_lwip_webserver/src/usb_descriptors.c @@ -200,7 +200,8 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid) } else { - // Convert ASCII string into UTF-16 + // Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors. + // https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) ) return NULL; @@ -210,6 +211,7 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid) chr_count = strlen(str); if ( chr_count > (TU_ARRAY_SIZE(_desc_str) - 1)) chr_count = TU_ARRAY_SIZE(_desc_str) - 1; + // Convert ASCII string into UTF-16 for (unsigned int i=0; i<chr_count; i++) { _desc_str[1+i] = str[i]; |