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IAR doesn't support __attribute__((fallthrough))

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IAR generates warning Pa167 'the "fallthrough" attribute is not supported'.
It doesn't generate warnings when one switch case falls through to another,
so simply make TU_ATTR_FALLTHROUGH expand to an empty string.

Also replace one instance of __attribute__ with the macro.
This commit is contained in:
Ben Avison 2022-09-01 17:10:26 +01:00
parent 62d90c8500
commit 01edbb8af6
2 changed files with 2 additions and 2 deletions
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2
src/common/tusb_compiler.h
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@ -189,7 +189,7 @@
#define TU_ATTR_DEPRECATED(mess) __attribute__ ((deprecated(mess))) // warn if function with this attribute is used
#define TU_ATTR_UNUSED __attribute__ ((unused)) // Function/Variable is meant to be possibly unused
#define TU_ATTR_USED __attribute__ ((used)) // Function/Variable is meant to be used
#define TU_ATTR_FALLTHROUGH __attribute__((fallthrough))
#define TU_ATTR_FALLTHROUGH
#define TU_ATTR_PACKED_BEGIN
#define TU_ATTR_PACKED_END

2
src/host/usbh.c
View File

@ -1273,7 +1273,7 @@ static void process_enumeration(tuh_xfer_t* xfer)
break;
}
#endif
__attribute__((fallthrough));
TU_ATTR_FALLTHROUGH;
#endif
case ENUM_SET_ADDR: