Stefano Calabretti
ed2a26fbc9
* Add rx event handlers * Fix compile errors and add constness * Pass sender id * Change api interface * Revert changes * Add filter fifo * Add default setup * Add receive function * Remove interrupt activation * Activate RX interrupts * Merge remote changes * Add event list constructor * Fix compilation bug * Send and receive multiple frames * Refactor * Refactor * Fix compile error * Use known syntax * Refactor * Provide storage * Add frame end * Add some documentation * Turn macros into functions * Refactor * Refactor * Fix compile error * Use ExtendedIds * Fix reception bug (fixes #4) * Add packet headers * Refactor Co-authored-by: Riccardo998 <riccardo.storchi98@gmail.com>
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
#ifndef INC_MMR_CAN_UTIL_H_
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#define INC_MMR_CAN_UTIL_H_
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#include <stdint.h>
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#include <string.h>
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#define sizeofarray(array) \
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(sizeof(array) / sizeof(*(array)))
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#define stringArrayLength(array) \
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stringBufferLength((array), sizeofarray(array))
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#define stringBufferLength(pbuffer, maxLen) \
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strnlen((const char*)(pbuffer), maxLen)
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#define min(a, b) ((a) < (b) ? a : b);
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#define mask(value, bits) (value & bits)
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#define convertTo(resultType, lvalue) (*interpretAs(resultType*, &(lvalue)))
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#define interpretAs(resultType, lvalue) ((resultType)(lvalue))
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/**
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* @brief
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* Represents the result of an asynchronous computation
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*
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* Either
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* - Error: the computation resulted in error
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* - Pending: the computation is still undergoing
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* - Completed: the computation has completed succesfully
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* and its results can be read
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*
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* Asynchronous logig can be easily implemented using State Machines
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*/
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typedef enum {
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MMR_ASYNC_RESULT_ERROR,
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MMR_ASYNC_RESULT_PENDING,
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MMR_ASYNC_RESULT_COMPLETED,
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} MmrAsyncResult;
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#endif /* INC_MMR_CAN_UTIL_H_ */
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