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86 lines
2.1 KiB
86 lines
2.1 KiB
//
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// Error codes and labels. Loosely based on DAPLink, with more codes added.
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//
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#ifndef ERROR_H
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#define ERROR_H
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#ifdef __cplusplus
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}
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#endif
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// fields: name, msg. If msg is NULL, name as string will be used instead.
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#define X_ERROR_CODES \
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/* Shared errors */ \
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X(SUCCESS, NULL) /* operation succeeded / unit loaded. Must be 0 */ \
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X(FAILURE, NULL) /* generic error */ \
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X(INTERNAL_ERROR, NULL) /* a bug */ \
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X(LOADING, NULL) /* unit is loading */ \
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X(UNKNOWN_COMMAND, NULL) \
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X(BAD_COUNT, NULL) \
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X(MALFORMED_COMMAND, NULL) \
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X(NOT_APPLICABLE, NULL) \
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X(HW_TIMEOUT, NULL) \
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X(NO_SUCH_UNIT, NULL) \
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X(PROTOCOL_BREACH, NULL) /* eating with the wrong spoon */ \
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X(BAD_UNIT_TYPE, NULL) \
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X(NOT_IMPLEMENTED, NULL) \
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\
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/* VFS user errors (those are meant to be shown to user) */ \
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X(ERROR_DURING_TRANSFER, "Error during transfer") \
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X(TRANSFER_TIMEOUT, "Transfer timed out") \
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X(OOO_SECTOR, "File sent out of order by PC") \
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\
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/* File stream errors/status */ \
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X(SUCCESS_DONE, NULL) \
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X(SUCCESS_DONE_OR_CONTINUE, NULL) \
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\
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/* Unit loading */ \
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X(BAD_CONFIG, "Configuration error") \
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X(BAD_KEY, "Unexpected config key") \
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X(BAD_VALUE, "Bad config value") \
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X(OUT_OF_MEM, "Not enough RAM") \
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X(RESOURCE_NOT_AVAILABLE, NULL)
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/**
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* The return value for all functions with error reporting.
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*/
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typedef enum {
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#define X(name, text) E_##name,
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X_ERROR_CODES
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#undef X
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ERROR_COUNT
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} error_t;
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/** Check return value and return it if not E_SUCCESS */
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#define TRY(call) do { \
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error_t _rv; \
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_rv = call; \
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if (E_SUCCESS != _rv) return _rv; \
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} while (0)
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/**
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* Get a user-friendly message from a E_* enum value
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*
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* @param error - E_* value
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* @return string, error name or description
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*/
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const char *error_get_message(error_t error) __attribute__((pure));
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/**
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* Get error name from a E_* enum value
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*
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* @param error - E_* value
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* @return string, error name
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*/
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const char *error_get_name(error_t error) __attribute__((pure));
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#ifdef __cplusplus
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}
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#endif
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#endif
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