エレキジャック Web版 マイコン・カーを製作してみよう<21> マイコンカー制御プログラムです。http://www.eleki-jack.com/arm/2012/10/21.html このプログラムは次回の記事でアップされるパソコン用プログラムを使ってマイコンカーを制御するプログラムです。マイコンカーとパソコンの通信はXbeeを使っています。
CameraC1098/SerialBuffered.h@7:1a0580ace499, 2012-10-11 (annotated)
- Committer:
- sunifu
- Date:
- Thu Oct 11 14:11:54 2012 +0000
- Revision:
- 7:1a0580ace499
ver1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sunifu | 7:1a0580ace499 | 1 | #ifndef _SERIAL_BUFFERED_H_ |
sunifu | 7:1a0580ace499 | 2 | #define _SERIAL_BUFFERED_H_ |
sunifu | 7:1a0580ace499 | 3 | |
sunifu | 7:1a0580ace499 | 4 | /** |
sunifu | 7:1a0580ace499 | 5 | * Buffered serial class. |
sunifu | 7:1a0580ace499 | 6 | */ |
sunifu | 7:1a0580ace499 | 7 | class SerialBuffered : public Serial { |
sunifu | 7:1a0580ace499 | 8 | public: |
sunifu | 7:1a0580ace499 | 9 | /** |
sunifu | 7:1a0580ace499 | 10 | * Create a buffered serial class. |
sunifu | 7:1a0580ace499 | 11 | * |
sunifu | 7:1a0580ace499 | 12 | * @param tx A pin for transmit. |
sunifu | 7:1a0580ace499 | 13 | * @param rx A pin for receive. |
sunifu | 7:1a0580ace499 | 14 | */ |
sunifu | 7:1a0580ace499 | 15 | SerialBuffered(PinName tx, PinName rx); |
sunifu | 7:1a0580ace499 | 16 | |
sunifu | 7:1a0580ace499 | 17 | /** |
sunifu | 7:1a0580ace499 | 18 | * Destroy. |
sunifu | 7:1a0580ace499 | 19 | */ |
sunifu | 7:1a0580ace499 | 20 | virtual ~SerialBuffered(); |
sunifu | 7:1a0580ace499 | 21 | |
sunifu | 7:1a0580ace499 | 22 | /** |
sunifu | 7:1a0580ace499 | 23 | * Get a character. |
sunifu | 7:1a0580ace499 | 24 | * |
sunifu | 7:1a0580ace499 | 25 | * @return A character. (-1:timeout) |
sunifu | 7:1a0580ace499 | 26 | */ |
sunifu | 7:1a0580ace499 | 27 | int getc(); |
sunifu | 7:1a0580ace499 | 28 | |
sunifu | 7:1a0580ace499 | 29 | /** |
sunifu | 7:1a0580ace499 | 30 | * Returns 1 if there is a character available to read, 0 otherwise. |
sunifu | 7:1a0580ace499 | 31 | */ |
sunifu | 7:1a0580ace499 | 32 | int readable(); |
sunifu | 7:1a0580ace499 | 33 | |
sunifu | 7:1a0580ace499 | 34 | /** |
sunifu | 7:1a0580ace499 | 35 | * Set timeout for getc(). |
sunifu | 7:1a0580ace499 | 36 | * |
sunifu | 7:1a0580ace499 | 37 | * @param ms milliseconds. (-1:Disable timeout) |
sunifu | 7:1a0580ace499 | 38 | */ |
sunifu | 7:1a0580ace499 | 39 | void setTimeout(int ms); |
sunifu | 7:1a0580ace499 | 40 | |
sunifu | 7:1a0580ace499 | 41 | /** |
sunifu | 7:1a0580ace499 | 42 | * Read requested bytes. |
sunifu | 7:1a0580ace499 | 43 | * |
sunifu | 7:1a0580ace499 | 44 | * @param bytes A pointer to a buffer. |
sunifu | 7:1a0580ace499 | 45 | * @param requested Length. |
sunifu | 7:1a0580ace499 | 46 | * |
sunifu | 7:1a0580ace499 | 47 | * @return Readed byte length. |
sunifu | 7:1a0580ace499 | 48 | */ |
sunifu | 7:1a0580ace499 | 49 | size_t readBytes(uint8_t *bytes, size_t requested); |
sunifu | 7:1a0580ace499 | 50 | |
sunifu | 7:1a0580ace499 | 51 | void _baud(int b); |
sunifu | 7:1a0580ace499 | 52 | private: |
sunifu | 7:1a0580ace499 | 53 | void handleInterrupt(); |
sunifu | 7:1a0580ace499 | 54 | static const int BUFFERSIZE = 4096; |
sunifu | 7:1a0580ace499 | 55 | 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 |
sunifu | 7:1a0580ace499 | 56 | uint16_t indexContentStart; // index of first bytes of content |
sunifu | 7:1a0580ace499 | 57 | uint16_t indexContentEnd; // index of bytes after last byte of content |
sunifu | 7:1a0580ace499 | 58 | int timeout; |
sunifu | 7:1a0580ace499 | 59 | Timer timer; |
sunifu | 7:1a0580ace499 | 60 | }; |
sunifu | 7:1a0580ace499 | 61 | |
sunifu | 7:1a0580ace499 | 62 | #endif |