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Increase size of desc_str for USBD_Device #584

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Increase size of desc_str for USBD_Device #584

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b6516a0
increase size of desc_str for USBD_Device
FromDarkHell Jun 21, 2026
382d0ef
Fix off-by-one error
FromDarkHell Jun 21, 2026
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2 changes: 1 addition & 1 deletion src/arduino/Adafruit_USBD_Device.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -319,7 +319,7 @@ uint16_t const *Adafruit_USBD_Device::descriptor_string_cb(uint8_t index,
return NULL;
}

chr_count = strcpy_utf16(_desc_str_arr[index], _desc_str + 1, 32);
chr_count = strcpy_utf16(_desc_str_arr[index], _desc_str + 1, 126);
break;
}

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2 changes: 1 addition & 1 deletion src/arduino/Adafruit_USBD_Device.h
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Expand Up @@ -56,7 +56,7 @@ class Adafruit_USBD_Device {
// String descriptor
const char *_desc_str_arr[STRING_DESCRIPTOR_MAX];
uint8_t _desc_str_count;
uint16_t _desc_str[32 + 1]; // up to 32 unicode characters with headers
uint16_t _desc_str[126 + 1]; // up to 126 unicode characters (252 bytes) with headers

public:
Adafruit_USBD_Device(void);
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