djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix length of generated serial number descriptor

Browse Source
This commit is contained in:
Jeff Epler 2021-02-22 07:33:04 -06:00
parent 144acfcb98
commit aa1de69645
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
supervisor/shared/usb/usb.c
View File

@ -62,7 +62,7 @@ void load_serial_number(void) {
uint8_t raw_id[COMMON_HAL_MCU_PROCESSOR_UID_LENGTH];
common_hal_mcu_processor_get_uid(raw_id);
usb_serial_number[0] = 0x300 | MP_ARRAY_SIZE(usb_serial_number);
usb_serial_number[0] = 0x300 | sizeof(usb_serial_number);
for (int i = 0; i < COMMON_HAL_MCU_PROCESSOR_UID_LENGTH; i++) {
for (int j = 0; j < 2; j++) {
uint8_t nibble = (raw_id[i] >> (j * 4)) & 0xf;