1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
/************************************************************************************
* configs/avr32dev1/include/board.h
* include/arch/board/board.h
*
* Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __ARCH_BOARD_BOARD_H
#define __ARCH_BOARD_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <nuttx/irq.h>
/************************************************************************************
* Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* Oscillator setup: RCOSC, OSC32, OSC0, OSC1. Only RCOSC, OSC0, or PLL0 can drive
* the main clock.
*/
/* The RCOSC frequency needs to be calibrated! */
#define AVR32_FRCOSC 115000 /* RCOSC frequency in Hz. 115KHz nominal */
#define AVR32_FOSC32 32768 /* OSC32 frequency in Hz */
#define AVR32_OSC32STARTUP 3 /* OSC32 startup time in RCOSC periods */
#define AVR32_FOSC0 12000000 /* OSC0 frequency in Hz */
#define AVR32_OSC0STARTUP 3 /* OSC0 startup time in RCOSC periods.
/* #define AVR32_FOSC1 12000000 OSC1 frequency: Hz.
* #define AVR32_OSC1STARTUP 3 OSC1 startup time in RCOSC periods.
*/
/* PLL setup
*
* FOSC0 MUL DIV PLL DIV2_EN CPU_CLOCK PBA_CLOCK COMMENT
* (MHz) (MHz) (MHz) (MHz)
* 12 15 1 192 1 12 12
* 12 9 3 40 1 20 20 PLL out of spec
* 12 15 1 192 1 24 12
* 12 9 1 120 1 30 15
* 12 9 3 40 0 40 20 PLL out of spec
* 12 15 1 192 1 48 12
* 12 15 1 192 1 48 24
* 12 8 1 108 1 54 27
* 12 9 1 120 1 60 15
* 12 9 1 120 1 60 30
* 12 10 1 132 1 66 16.5
*/
#define AVR32_CLOCK_PLL0_OSC0 1
#undef AVR32_CLOCK_PLL0_OSC1
#define AVR32_PLL0_MUL 15
#define AVR32_PLL0_DIV 1
#define AVR32_PLL0_DIV2 1
#define AVR32_PLL0_WBWM 0
#define AVR32_PLL0_FREQ 192000000
/* Set PLL1 @ 96 MHz from OSC0: 12MHz*(7+1)/1 = 96MHz */
#define AVR32_CLOCK_PLL1_OSC0 1
#undef AVR32_CLOCK_PLL1_OSC1
#define AVR32_PLL1_MUL 7
#define AVR32_PLL1_DIV 1
#define AVR32_PLL1_DIV2 1
#define AVR32_PLL1_WBWM 0
#define AVR32_PLL1_FREQ 96000000
/* Clock divider setup */
#define AVR32_CKSEL_CPUDIV 0
#define AVR32_CKSEL_HSBDIV 0
#define AVR32_CKSEL_PBADIV 0
#define AVR32_CKSEL_PBBDIV 0
/* GCLK_USBB */
#undef AVR32_CLOCK_USB_PLL0
#define AVR32_CLOCK_USB_PLL1 1
#undef AVR32_CLOCK_USB_OSC0
#undef AVR32_CLOCK_USB_OSC1
#define AVR32_CLOCK_USB_DIV 0
/* Main Clock settup: Select OSC0 as the main clock.
*
* - A 12Mhz crystal is provided on he board for OSC0.
* - The AVR32DEV1 board has no support for OSC1.
* - There are pads for he 32Khz OSC32, but it is not populated on the
* board.
*/
#define AVR32_CLOCK_OSC0 1
#undef AVR32_CLOCK_OSC1 /* Not supported */
#undef AVR32_CLOCK_OSC32 /* Not populated */
#undef AVR32_CLOCK_PLL0
#undef AVR32_CLOCK_PLL1
#define AVR32_CPU_CLOCK AVR32_FOSC0
#define AVR32_PBA_CLOCK AVR32_FOSC0
/* Pin muliplexing selecion *********************************************************/
#define PINMUX_USART1_RXD PINMUX_USART1_RXD_1
#define PINMUX_USART1_TXD PINMUX_USART1_TXD_1
/* LED definitions ******************************************************************/
/* The AVR32DEV1 board has 3 LEDs, two of which can be controlled through GPIO pins */
/* ON OFF */
/* LED1 LED2 LED1 LED2 */
#define LED_STARTED 0 /* OFF OFF OFF OFF */
#define LED_HEAPALLOCATE 0 /* OFF OFF OFF OFF */
#define LED_IRQSENABLED 0 /* OFF OFF OFF OFF */
#define LED_STACKCREATED 1 /* ON OFF OFF OFF */
#define LED_INIRQ 2 /* ON ON ON OFF */
#define LED_SIGNAL 2 /* ON ON ON OFF */
#define LED_ASSERTION 2 /* ON ON ON OFF */
#define LED_PANIC 2 /* ON ON ON OFF */
/* Button definitions ***************************************************************/
/* The AVR32DEV1 board has 3 BUTTONs, two of which can be sensed through GPIO pins. */
#define BUTTON1 1 /* Bit 0: Button 1 */
#define BUTTON2 2 /* Bit 1: Button 2 */
/************************************************************************************
* Public Types
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Public Data
************************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
/************************************************************************************
* Name: avr32_boardinitialize
*
* Description:
* All AVR32 architectures must provide the following entry point. This entry point
* is called early in the intitialization -- after all memory has been configured
* and mapped but before any devices have been initialized.
*
************************************************************************************/
EXTERN void avr32_boardinitialize(void);
/************************************************************************************
* Name: up_buttoninit
*
* Description:
* up_buttoninit() must be called to initialize button resources. After
* that, up_buttons() may be called to collect the current state of all
* buttons or up_irqbutton() may be called to register button interrupt
* handlers.
*
* NOTE: Nothing in the "base" NuttX code calls up_buttoninit(). If you want button
* support in an application, your application startup code must call up_buttoninit()
* prior to calling any of the other button interfaces.
*
************************************************************************************/
#ifdef CONFIG_ARCH_BUTTONS
EXTERN void up_buttoninit(void);
/************************************************************************************
* Name: up_buttons
*
* Description:
* After up_buttoninit() has been called, up_buttons() may be called to collect
* the state of all buttons. up_buttons() returns an 8-bit bit set with each bit
* associated with a button. See the BUTTON* definitions above for the meaning of
* each bit in the returned value.
*
************************************************************************************/
EXTERN uint8_t up_buttons(void);
/************************************************************************************
* Name: up_irqbutton
*
* Description:
* This function may be called to register an interrupt handler that will be
* called when a button is depressed or released. The ID value is one of the
* BUTTON* definitions provided above. The previous interrupt handler address is
* returned (so that it may restored, if so desired).
*
* Configuration Notes:
* Configuration CONFIG_AVR32_GPIOIRQ must be selected to enable the overall GPIO
* IRQ feature and CONFIG_AVR32_GPIOIRQSETA and/or CONFIG_AVR32_GPIOIRQSETB must
* be enabled to select GPIOs to support interrupts on. For button support, bits
* 2 and 3 must be set in CONFIG_AVR32_GPIOIRQSETB (PB2 and PB3).
*
************************************************************************************/
#ifdef CONFIG_AVR32_GPIOIRQ
EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler);
#endif
#endif /* CONFIG_ARCH_BUTTONS */
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_BOARD_BOARD_H */
|
