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SdFat -> FS HAL mode fixes & test (#8833)

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* re-use SdFat access mode through static const, no need to hard-code our own value w/ cast in the macro
* separate read-modes from flags; read, write and rw are distinct numbers
* simple compile-time tests in .cpp

resolve #8831
This commit is contained in:
Max Prokhorov
2023-01-31 22:28:37 +03:00
committed by GitHub
parent d7da591ed8
commit 6dfebec8c5
2 changed files with 47 additions and 17 deletions
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9
libraries/SD/src/SD.cpp
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@ -1,5 +1,14 @@
#include "SD.h"
static_assert(__builtin_strcmp(SDClassFileMode(FILE_READ), "r") == 0, "");
static_assert(__builtin_strcmp(SDClassFileMode(FILE_WRITE), "a+") == 0, "");
static_assert(__builtin_strcmp(SDClassFileMode(O_RDONLY), "r") == 0, "");
static_assert(__builtin_strcmp(SDClassFileMode(O_WRONLY), "w+") == 0, "");
static_assert(__builtin_strcmp(SDClassFileMode(O_RDWR), "w+") == 0, "");
static_assert(__builtin_strcmp(SDClassFileMode(O_WRONLY | O_APPEND), "a") == 0, "");
static_assert(__builtin_strcmp(SDClassFileMode(O_RDWR | O_APPEND), "a+") == 0, "");
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_SD)
SDClass SD;
#endif