diff options
Diffstat (limited to 'examples/device/usbtmc')
| -rw-r--r-- | examples/device/usbtmc/src/usb_descriptors.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/examples/device/usbtmc/src/usb_descriptors.c b/examples/device/usbtmc/src/usb_descriptors.c index 86d78e1cd..505456769 100644 --- a/examples/device/usbtmc/src/usb_descriptors.c +++ b/examples/device/usbtmc/src/usb_descriptors.c @@ -166,7 +166,8 @@ 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; @@ -178,6 +179,7 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid) chr_count = 31; } + // Convert ASCII string into UTF-16 for(uint8_t i=0; i<chr_count; i++) { _desc_str[1+i] = str[i]; |