mirror of
https://github.com/ArduPilot/ardupilot
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26 lines
664 B
C++
26 lines
664 B
C++
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#ifndef __AP_HAL_UTILITY_STREAM_H__
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#define __AP_HAL_UTILITY_STREAM_H__
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#include "../AP_HAL_Namespace.h"
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#include "Print.h"
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/* A simple Stream library modeled after the bits we actually use
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* from Arduino Stream */
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class AP_HAL::Stream : public AP_HAL::Print {
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public:
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virtual int16_t available() = 0;
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/* NB txspace was traditionally a member of BetterStream in the
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* FastSerial library. As far as concerns go, it belongs with available() */
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virtual int16_t txspace() = 0;
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/* return value for read():
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* -1 if nothing available, uint8_t value otherwise. */
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virtual int16_t read() = 0;
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};
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#endif // __AP_HAL_UTILITY_STREAM_H__
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