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usbd: Added an array length helper macro

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dragonmux
2022-08-11 11:10:31 +01:00
committed by Piotr Esden-Tempski
parent 7aa5270809
commit 5ba3293da2
1 changed files with 3 additions and 0 deletions
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include/libopencm3/usb/usbd.h
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@@ -42,6 +42,9 @@ LGPL License Terms @ref lgpl_license
BEGIN_DECLS BEGIN_DECLS
#ifndef ARRAY_LENGTH
#define ARRAY_LENGTH(array) (sizeof(array) / sizeof(*(array)))
#endif
enum usbd_request_return_codes { enum usbd_request_return_codes {
USBD_REQ_NOTSUPP = 0, USBD_REQ_NOTSUPP = 0,