79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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enum SDUtilsStatus {
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SDUTILS_RESULT_SUCCESS = 0,
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SDUTILS_RESULT_MODULE_NOT_FOUND = -1,
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SDUTILS_RESULT_MODULE_MISSING_EXPORT = -2,
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SDUTILS_RESULT_MAX_CALLBACKS = -3,
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SDUTILS_RESULT_NOT_FOUND = -4,
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SDUTILS_RESULT_INVALID_ARGUMENT = -5,
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SDUTILS_RESULT_FAILED = -10,
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SDUTILS_RESULT_LIB_UNINITIALIZED = -20,
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};
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enum SDUtilsAttachStatus {
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SDUTILS_ATTACH_MOUNTED = 1,
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SDUTILS_ATTACH_UNMOUNTED = 0,
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};
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typedef void (*SDAttachHandlerFn)(SDUtilsAttachStatus status);
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/**
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* Initializes the SDUtils library. This must be call before any other function can be called
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* @return SDUTILS_RESULT_SUCCESS on success, the functions of this lib can be used
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* SDUTILS_RESULT_MODULE_NOT_FOUND when the SDHotSwapModule is not loaded
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* SDUTILS_RESULT_MODULE_MISSING_EXPORT when the SDHotSwapModule does not export the expected functions.
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*/
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SDUtilsStatus SDUtils_Init();
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/**
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* Deinitializes the SDUtils library, must be called before exiting the application
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* @return SDUTILS_RESULT_SUCCESS on success
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*/
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SDUtilsStatus SDUtils_DeInit();
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/**
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* Registers a callback which will be called whenever a sd card will be inserted or ejected.
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* This is only true for future events, if the sd card is already inserted before registering
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* a callback, the callback is only called on the next ejecting but not for the initial
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* insertion that happened in the past.
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*
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* Any previously registered callbacks will be removed when the currently running application
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* is closing.
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*
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* @param fn callback that will be called
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* @return SDUTILS_RESULT_SUCCESS on success
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* SDUTILS_RESULT_MAX_CALLBACKS when registering the callback has failed because the
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* maximum amount of callback has been reached
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* SDUTILS_RESULT_LIB_UNINITIALIZED if the lib was not initalized properly
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*/
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SDUtilsStatus SDUtils_AddAttachHandler(SDAttachHandlerFn fn);
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/**
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* Removed a previously registered callback
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*
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* @param fn
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* @return SDUTILS_RESULT_SUCCESS on success
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* SDUTILS_RESULT_NOT_FOUND when the given callback was not registered.
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* SDUTILS_RESULT_LIB_UNINITIALIZED if the lib was not initalized properly
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*/
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SDUtilsStatus SDUtils_RemoveAttachHandler(SDAttachHandlerFn fn);
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/**
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* Checks if a FAT32 formatted SD Card is inserted, mounted and available via `fs:/vol/external01`
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*
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* @param outStatus stores the result of the function
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* @return SDUTILS_RESULT_SUCCESS on success
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* SDUTILS_RESULT_INVALID_ARGUMENT when an invalid ptr has been given
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*/
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SDUtilsStatus SDUtils_IsSdCardMounted(bool *outStatus);
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#ifdef __cplusplus
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} // extern "C"
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#endif |