Suga koubou / DALI

DALI send/recv library.

Dependents:   dali_sample

DALI send/recv library

lighting control protocol.

設備照明の調光プロトコル DALI を送受信するライブラリです。

DALI インターフェースの回路図などは次を参照。

DALI.h

Committer:
okini3939
Date:
2020-07-22
Revision:
0:6cb7026982fc
Child:
1:319d52b5116b

File content as of revision 0:6cb7026982fc:

/*
 * DALI send/recv library
 * Copyright (c) 2020 Hiroshi Suga
 * Released under the MIT License: http://mbed.org/license/mit
 */

/** @file
 * @brief DALI send/recv
 */
 
 #ifndef _DALI_H_
#define _DALI_H_

#include "CBuffer.h"

class DALI {
public:
    enum DALI_FRAME {
        DALI_FORWARD_SHORT_DAP,
        DALI_FORWARD_SHORT_IAP,
        DALI_FORWARD_GROUP_DAP,
        DALI_FORWARD_GROUP_IAP,
        DALI_BACKWARD,
    };

    DALI (PinName tx, PinName rx);

    int read (enum DALI_FRAME *frame, int *addr, int *value);
    int readable ();

    int write (enum DALI_FRAME frame, int addr, int value);

private:
    InterruptIn _rx;
    DigitalOut _tx;
    Timeout _timer;
    Ticker _ticker;

    CircBuffer<int> *recv_buf;
    CircBuffer<int> *send_buf;

    int mode;
    int count;
    int timeflg;
    int recv_bit;
    int recv_data;

    int send_data;
    int send_bit;
    int halfbit;
    int busy;

    void isr_rx ();
    void isr_timer ();
    void isr_timeout ();
    void isr_send ();

};

#endif