Hepta_Cam&GPS
Fork of CameraC1098 by
SerialBuffered.h
- Committer:
- hepta2ume
- Date:
- 2017-07-21
- Revision:
- 3:12659e671bad
- Parent:
- 0:5a6468b4164d
File content as of revision 3:12659e671bad:
#ifndef _SERIAL_BUFFERED_H_ #define _SERIAL_BUFFERED_H_ /** * Buffered serial class. */ class SerialBuffered : public Serial { public: /** * Create a buffered serial class. * * @param tx A pin for transmit. * @param rx A pin for receive. */ SerialBuffered(PinName tx, PinName rx); /** * Destroy. */ virtual ~SerialBuffered(); /** * Get a character. * * @return A character. (-1:timeout) */ int getc(); /** * Returns 1 if there is a character available to read, 0 otherwise. */ int readable(); /** * Set timeout for getc(). * * @param ms milliseconds. (-1:Disable timeout) */ void setTimeout(int ms); /** * Read requested bytes. * * @param bytes A pointer to a buffer. * @param requested Length. * * @return Readed byte length. */ size_t readBytes(uint8_t *bytes, size_t requested); void _baud(int b); private: void handleInterrupt(); static const int BUFFERSIZE = 4096; uint8_t buffer[BUFFERSIZE]; // points at a circular buffer, containing data from m_contentStart, for m_contentSize bytes, wrapping when you get to the end uint16_t indexContentStart; // index of first bytes of content uint16_t indexContentEnd; // index of bytes after last byte of content int timeout; Timer timer; }; #endif