1 /* Copyright (c) 2002, Marek Michalkiewicz
2    All rights reserved.
3 
4    Redistribution and use in source and binary forms, with or without
5    modification, are permitted provided that the following conditions are met:
6 
7    * Redistributions of source code must retain the above copyright
8      notice, this list of conditions and the following disclaimer.
9 
10    * Redistributions in binary form must reproduce the above copyright
11      notice, this list of conditions and the following disclaimer in
12      the documentation and/or other materials provided with the
13      distribution.
14 
15    * Neither the name of the copyright holders nor the names of
16      contributors may be used to endorse or promote products derived
17      from this software without specific prior written permission.
18 
19   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29   POSSIBILITY OF SUCH DAMAGE. */
30 
31 /* $Id: iotn28.h 2456 2014-11-19 09:57:29Z saaadhu $ */
32 
33 /* avr/iotn28.h - definitions for ATtiny28 */
34 
35 #ifndef _AVR_IOTN28_H_
36 #define _AVR_IOTN28_H_ 1
37 
38 /* This file should only be included from <avr/io.h>, never directly. */
39 
40 #ifndef _AVR_IO_H_
41 #  error "Include <avr/io.h> instead of this file."
42 #endif
43 
44 #ifndef _AVR_IOXXX_H_
45 #  define _AVR_IOXXX_H_ "iotn28.h"
46 #else
47 #  error "Attempt to include more than one <avr/ioXXX.h> file."
48 #endif
49 
50 #ifndef __ASSEMBLER__
51 #  warning "MCU not supported by the C compiler"
52 #endif
53 
54 /* I/O registers */
55 
56 #define OSCCAL	_SFR_IO8(0x00)
57 
58 #define WDTCR	_SFR_IO8(0x01)
59 
60 #define MODCR	_SFR_IO8(0x02)
61 
62 #define TCNT0	_SFR_IO8(0x03)
63 #define TCCR0	_SFR_IO8(0x04)
64 
65 #define IFR	_SFR_IO8(0x05)
66 #define ICR	_SFR_IO8(0x06)
67 
68 #define MCUCS	_SFR_IO8(0x07)
69 
70 #define ACSR	_SFR_IO8(0x08)
71 
72 /* 0x09..0x0F reserved */
73 
74 #define PIND	_SFR_IO8(0x10)
75 #define DDRD	_SFR_IO8(0x11)
76 #define PORTD	_SFR_IO8(0x12)
77 
78 /* 0x13..0x15 reserved */
79 
80 #define PINB	_SFR_IO8(0x16)
81 
82 /* 0x17..0x18 reserved */
83 
84 #define PINA	_SFR_IO8(0x19)
85 #define PACR	_SFR_IO8(0x1A)
86 #define PORTA	_SFR_IO8(0x1B)
87 
88 /* 0x1C..0x3E reserved */
89 
90 /* 0x3F SREG */
91 
92 /* Interrupt vectors */
93 
94 /* External Interrupt 0 */
95 #define INT0_vect_num			1
96 #define INT0_vect	    		_VECTOR(1)
97 #define SIG_INTERRUPT0			_VECTOR(1)
98 
99 /* External Interrupt 1 */
100 #define INT1_vect_num			2
101 #define INT1_vect	    		_VECTOR(2)
102 #define SIG_INTERRUPT1			_VECTOR(2)
103 
104 /* Low-level Input on Port B */
105 #define LOWLEVEL_IO_PINS_vect_num  3
106 #define LOWLEVEL_IO_PINS_vect	_VECTOR(3)
107 #define SIG_PIN				    _VECTOR(3)
108 
109 /* Timer/Counter0 Overflow */
110 #define TIMER0_OVF_vect_num		4
111 #define TIMER0_OVF_vect			_VECTOR(4)
112 #define SIG_OVERFLOW0			_VECTOR(4)
113 
114 /* Analog Comparator */
115 #define ANA_COMP_vect_num		5
116 #define ANA_COMP_vect			_VECTOR(5)
117 #define SIG_COMPARATOR			_VECTOR(5)
118 
119 #define _VECTORS_SIZE 12
120 
121 
122 /* Bit numbers */
123 
124 /* ICR */
125 #define INT1	7
126 #define INT0	6
127 #define LLIE	5
128 #define TOIE0	4
129 #define ISC11	3
130 #define ISC10	2
131 #define ISC01	1
132 #define ISC00
133 
134 /* IFR */
135 #define INTF1	7
136 #define INTF0	6
137 #define TOV0	4
138 
139 /* MCUCS */
140 #define PLUPB	7
141 #define SE	5
142 #define SM	4
143 #define WDRF	3
144 #define EXTRF	1
145 #define PORF	0
146 
147 /* TCCR0 */
148 #define FOV0	7
149 #define OOM01	4
150 #define OOM00	3
151 #define CS02	2
152 #define CS01	1
153 #define CS00	0
154 
155 /* MODCR */
156 #define ONTIM4	7
157 #define ONTIM3	6
158 #define ONTIM2	5
159 #define ONTIM1	4
160 #define ONTIM0	3
161 #define MCONF2	2
162 #define MCONF1	1
163 #define MCONF0	0
164 
165 /* WDTCR */
166 #define WDTOE	4
167 #define WDE	3
168 #define WDP2	2
169 #define WDP1	1
170 #define WDP0	0
171 
172 /*
173    PA2 = IR
174  */
175 
176 /* PORTA */
177 #define PA3	3
178 #define PA2	2
179 #define PA1	1
180 #define PA0	0
181 
182 /* PACR */
183 #define DDA3	3
184 #define PA2HC	2
185 #define DDA1	1
186 #define DDA0	0
187 
188 /* PINA */
189 #define PINA3	3
190 #define PINA1	1
191 #define PINA0	0
192 
193 /*
194    PB4 = INT1
195    PB3 = INT0
196    PB2 = T0
197    PB1 = AIN1
198    PB0 = AIN0
199  */
200 
201 /* PINB */
202 #define PINB7	7
203 #define PINB6	6
204 #define PINB5	5
205 #define PINB4	4
206 #define PINB3	3
207 #define PINB2	2
208 #define PINB1	1
209 #define PINB0	0
210 
211 /* PORTD */
212 #define PD7	7
213 #define PD6	6
214 #define PD5	5
215 #define PD4	4
216 #define PD3	3
217 #define PD2	2
218 #define PD1	1
219 #define PD0	0
220 
221 /* DDRD */
222 #define DDD7	7
223 #define DDD6	6
224 #define DDD5	5
225 #define DDD4	4
226 #define DDD3	3
227 #define DDD2	2
228 #define DDD1	1
229 #define DDD0	0
230 
231 /* PIND */
232 #define PIND7	7
233 #define PIND6	6
234 #define PIND5	5
235 #define PIND4	4
236 #define PIND3	3
237 #define PIND2	2
238 #define PIND1	1
239 #define PIND0	0
240 
241 /* ACSR */
242 #define ACD	7
243 #define ACO	5
244 #define ACI	4
245 #define ACIE	3
246 #define ACIS1	1
247 #define ACIS0	0
248 
249 #define RAMSTART    0x60
250 /* Last memory addresses */
251 #define RAMEND		0x1F
252 #define XRAMEND		0x0
253 #define E2END		0x0
254 #define E2PAGESIZE  0
255 #define FLASHEND	0x7FF
256 
257 
258 /* Fuses */
259 
260 #define FUSE_MEMORY_SIZE 1
261 
262 /* Fuse Byte */
263 #define FUSE_CKSEL0      (unsigned char)~_BV(0)
264 #define FUSE_CKSEL1      (unsigned char)~_BV(1)
265 #define FUSE_CKSEL2      (unsigned char)~_BV(2)
266 #define FUSE_CKSEL3      (unsigned char)~_BV(3)
267 #define FUSE_INTCAP      (unsigned char)~_BV(4)
268 #define FUSE_DEFAULT (FUSE_CKSEL0 & FUSE_CKSEL2 & FUSE_CKSEL3)
269 
270 
271 /* Lock Bits */
272 #define __LOCK_BITS_EXIST
273 
274 
275 /* Signature */
276 #define SIGNATURE_0 0x1E
277 #define SIGNATURE_1 0x91
278 #define SIGNATURE_2 0x07
279 
280 
281 /* Deprecated items */
282 #if !defined(__AVR_LIBC_DEPRECATED_ENABLE__)
283 
284 #pragma GCC system_header
285 
286 #pragma GCC poison SIG_INTERRUPT0
287 #pragma GCC poison SIG_INTERRUPT1
288 #pragma GCC poison SIG_PIN
289 #pragma GCC poison SIG_OVERFLOW0
290 #pragma GCC poison SIG_COMPARATOR
291 
292 #endif  /* !defined(__AVR_LIBC_DEPRECATED_ENABLE__) */
293 
294 
295 #define SLEEP_MODE_IDLE (0x00<<4)
296 #define SLEEP_MODE_PWR_DOWN (0x01<<4)
297 
298 
299 #endif /* _AVR_IOTN28_H_ */
300