1 /*
2  * Simulator of microcontrollers (serialcl.h)
3  *
4  * Copyright (C) 1999,99 Drotos Daniel, Talker Bt.
5  *
6  * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
7  *
8  */
9 
10 /* This file is part of microcontroller simulator: ucsim.
11 
12 UCSIM is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
16 
17 UCSIM is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 GNU General Public License for more details.
21 
22 You should have received a copy of the GNU General Public License
23 along with UCSIM; see the file COPYING.  If not, write to the Free
24 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
25 02111-1307, USA. */
26 /*@1@*/
27 
28 #ifndef SERIALCL_HEADER
29 #define SERIALCL_HEADER
30 
31 #include "fiocl.h"
32 #include "stypes.h"
33 #include "pobjcl.h"
34 
35 #include "uccl.h"
36 #include "serial_hwcl.h"
37 
38 #include "newcmdposixcl.h"
39 
40 //#include "newcmdcl.h"
41 
42 class cl_serial_listener;
43 
44 class cl_serial: public cl_serial_hw
45 {
46 protected:
47   class cl_address_space *sfr, *bas;
48   bool there_is_t2, t2_baud;
49   class cl_memory_cell *sbuf, *pcon, *scon, *scon_bits[8];
50   uchar s_in;		// Serial channel input reg
51   uchar s_out;		// Serial channel output reg
52   bool  s_sending;	// Transmitter is working
53   bool  s_receiving;	// Receiver is working
54   int   s_rec_bit;	// Bit counter of receiver
55   int   s_tr_bit;	// Bit counter of transmitter
56   int   s_rec_t1;	// T1 overflows for receiving
57   int   s_tr_t1;	// T1 overflows for sending
58   int   s_rec_tick;	// Machine cycles for receiving
59   int   s_tr_tick;	// Machine cycles for sending
60   uchar _mode;
61   uchar _bmREN;
62   uchar _bmSMOD;
63   uchar _bits;
64   uchar _divby;
65 public:
66   cl_serial(class cl_uc *auc);
67   virtual ~cl_serial(void);
68   virtual int init(void);
cfg_size(void)69   virtual int cfg_size(void) { return 10; }
70 
71   virtual void new_hw_added(class cl_hw *new_hw);
72   virtual void added_to_uc(void);
73   virtual t_mem read(class cl_memory_cell *cell);
74   virtual void write(class cl_memory_cell *cell, t_mem *val);
75   virtual t_mem conf_op(cl_memory_cell *cell, t_addr addr, t_mem *val);
76 
77   virtual int  serial_bit_cnt(void);
78   virtual void received(int c);
79 
80   virtual int tick(int cycles);
81   virtual void reset(void);
82   virtual void happen(class cl_hw *where, enum hw_event he, void *params);
83 
84   virtual void print_info(class cl_console_base *con);
85 };
86 
87 
88 #endif
89 
90 /* End of s51.src/serialcl.h */
91