DALI.h

00001 /*
00002  * DALI send/recv library
00003  * Copyright (c) 2020 Hiroshi Suga
00004  * Released under the MIT License: http://mbed.org/license/mit
00005  */
00006 
00007 /** @file
00008  * @brief DALI send/recv
00009  */
00010  
00011  #ifndef _DALI_H_
00012 #define _DALI_H_
00013 
00014 #include "CBuffer.h"
00015 
00016 class DALI {
00017 public:
00018     enum DALI_FRAME {
00019         FORWARD_SHORT_DAP, // DIRECT ARC POWER
00020         FORWARD_SHORT_IAP, // COMMAND
00021         FORWARD_GROUP_DAP,
00022         FORWARD_GROUP_IAP,
00023         BACKWARD,
00024     };
00025 
00026     enum DALI_COMMAND {
00027         OFF                 = 0x00,
00028         UP                  = 0x01,
00029         DOWN                = 0x02,
00030         STEP_UP             = 0x03,
00031         STEP_DOWN           = 0x04,
00032         RECALL_MAX_LEVEL    = 0x05,
00033         RECALL_MIN_LEVEL    = 0x06,
00034         STEP_DOWN_AND_OFF   = 0x07,
00035         ON_AND_STEP_UP      = 0x08,
00036         RESET               = 0x20,
00037         QUERY_STATUS        = 0x90,
00038     };
00039 
00040     /** init DALI class
00041      * @param tx TX port
00042      * @param rx RX port (interrupt)
00043      */
00044     DALI (PinName tx, PinName rx);
00045 
00046     /** Recv the data
00047      * @param frame enum DALI_FRAME 
00048      * @param addr DALI address (short:0-63, group:0-15,63 broadcast)
00049      * @param value DALI value
00050      */
00051     int read (enum DALI_FRAME *frame, int *addr, int *value);
00052 
00053     int readable ();
00054 
00055     /** Send the data
00056      * @param frame enum DALI_FRAME 
00057      * @param addr DALI address (short:0-63, group:0-15,63 broadcast)
00058      * @param value DALI value
00059      */
00060     int write (enum DALI_FRAME frame, int addr, int value);
00061 
00062     int writable ();
00063 
00064 private:
00065     InterruptIn _rx;
00066     DigitalOut _tx;
00067     Timeout _timer;
00068     Ticker _ticker;
00069 
00070     CircBuffer<int> *recv_buf;
00071     CircBuffer<int> *send_buf;
00072 
00073     volatile int mode;
00074     int count;
00075     int timeflg;
00076     int recv_bit;
00077     int recv_data;
00078 
00079     int send_data;
00080     int send_bit;
00081     int halfbit;
00082     volatile int busy;
00083 
00084     void isr_rx ();
00085     void isr_timer ();
00086     void isr_timeout ();
00087     void isr_send ();
00088 
00089 };
00090 
00091 #endif