Revision f3ac1c96 core/inc/aos_iostream.h
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#include <stdarg.h> |
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/******************************************************************************/ |
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/* CONSTANTS */ |
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/******************************************************************************/ |
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/** |
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* @brief Channel flag to indicate whether the channel is attached to a stream. |
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*/ |
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#define AOS_IOCHANNEL_ATTACHED (1 << 0)
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#define AOS_IOCHANNEL_ATTACHED ((aos_iochannelflag_t)(1 << 0))
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/** |
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* @brief Channel flag to indicate whether the channel is set as input. |
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*/ |
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#define AOS_IOCHANNEL_INPUT_ENABLE (1 << 1)
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#define AOS_IOCHANNEL_INPUT_ENABLE ((aos_iochannelflag_t)(1 << 1))
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/** |
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* @brief Channel flag to indicate whether the channel is set as output. |
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*/ |
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#define AOS_IOCHANNEL_OUTPUT_ENABLE (1 << 2)
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#define AOS_IOCHANNEL_OUTPUT_ENABLE ((aos_iochannelflag_t)(1 << 2))
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/* |
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* forward definitions |
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*/ |
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typedef struct aos_iochannel AosIOChannel; |
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typedef struct aos_ostream AosIOStream; |
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/******************************************************************************/ |
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/* SETTINGS */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* CHECKS */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* DATA STRUCTURES AND TYPES */ |
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/******************************************************************************/ |
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typedef uint8_t aos_iochannelflag_t; |
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/** |
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* @brief AosI=Channel specific methods.
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* @brief AosIOChannel specific methods.
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*/ |
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#define _aos_iochannel_methods \ |
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_base_asynchronous_channel_methods |
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/* pointer to a BaseAsynchronousChannel object */ \ |
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BaseAsynchronousChannel* asyncchannel; \ |
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/* pointer to the next channel in a AosIOStream */ \ |
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AosIOChannel* next; \
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struct aos_iochannel* next; \
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/* flags related to the channel */ \ |
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uint8_t flags;
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aos_iochannelflag_t flags;
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/** |
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* @extends BaseAsynchronousChannelVMT |
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* @brief I/O Channel class. |
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* @details This class implements an asynchronous I/O channel. |
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*/ |
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struct aos_iochannel {
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typedef struct aos_iochannel {
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/** @brief Virtual Methods Table. */ |
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const struct AosIOChannelVMT* vmt; |
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_aos_iochannel_data |
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}; |
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} AosIOChannel;
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/** |
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* @brief AosIOStream methods. |
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* @details This class implements an base sequential stream. |
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* @todo So far only output but no input is supported. |
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*/ |
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struct aos_ostream {
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typedef struct aos_ostream {
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const struct AosIOStreamVMT* vmt; |
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_aos_iostream_data |
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}; |
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} AosIOStream; |
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/******************************************************************************/ |
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/* MACROS */ |
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/******************************************************************************/ |
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/******************************************************************************/ |
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/* EXTERN DECLARATIONS */ |
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/******************************************************************************/ |
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#ifdef __cplusplus |
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extern "C" {
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} |
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#endif |
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/******************************************************************************/ |
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/* INLINE FUNCTIONS */ |
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/******************************************************************************/ |
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#endif /* AMIROOS_IOSTREAM_H */ |
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/** @} */ |
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