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
|
/****************************************************************************
* configs/mirtoo/include/board.h
* include/arch/board/board.h
*
* Copyright (C) 2012 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 __CONFIGS_MIRTOO_INCLUDE_BOARD_H
#define __CONFIGS_MIRTOO_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdbool.h>
#endif
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Clocking *****************************************************************/
/* Crystal frequencies */
#define BOARD_POSC_FREQ 8000000 /* Primary OSC XTAL frequency (8MHz) */
#define BOARD_SOSC_FREQ 32768 /* Secondary OSC XTAL frequency (32.768KHz) */
#define BOARD_POSC_HSMODE 1 /* High-speed crystal (HS) mode */
/* PLL configuration and resulting CPU clock.
* CPU_CLOCK = ((POSC_FREQ / IDIV) * MULT) / ODIV
*/
#define BOARD_PLL_IDIV 2 /* PLL input divider */
#define BOARD_PLL_MULT 20 /* PLL multiplier */
#define BOARD_PLL_ODIV 1 /* PLL output divider */
#define BOARD_CPU_CLOCK 80000000 /* CPU clock (80MHz = 8MHz * 20 / 2) */
/* USB PLL configuration.
* USB_CLOCK = ((POSC_XTAL / IDIV) * 24) / 2
*/
#define BOARD_UPLL_IDIV 2 /* USB PLL divider (revisit) */
#define BOARD_USB_CLOCK 48000000 /* USB clock (8MHz / 2) * 24 / 2) */
/* Peripheral clock is divided down from CPU clock.
* PBCLOCK = CPU_CLOCK / PBDIV
*/
#define BOARD_PBDIV 2 /* Peripheral clock divisor (PBDIV) */
#define BOARD_PBCLOCK 40000000 /* Peripheral clock (PBCLK = 80MHz/2) */
/* Watchdog pre-scaler (re-visit) */
#define BOARD_WD_ENABLE 0 /* Watchdog is disabled */
#define BOARD_WD_PRESCALER 8 /* Watchdog pre-scaler */
/* LED definitions **********************************************************/
/* The Mirtoo module has 2 user LEDs labeled LED0 and LED1 in the schematics:
*
* --- ----- --------------------------------------------------------------
* PIN Board Notes
* --- ----- --------------------------------------------------------------
* RC8 LED0 Grounded, high value illuminates
* RC9 LED1 Grounded, high value illuminates
*
* The Dimitech DTX1-4000L EV-kit1 supports 3 more LEDs, but there are not
* controllable from software.
*/
/* LED index values for use with pic32mx_setled() */
#define PIC32MX_MIRTOO_LED0 0
#define PIC32MX_MIRTOO_LED1 1
#define PIC32MX_MIRTOO_NLEDS 2
/* LED bits for use with pic32mx_setleds() */
#define PIC32MX_MIRTOO_LED0_BIT (1 << PIC32MX_MIRTOO_LED0)
#define PIC32MX_MIRTOO_LED1_BIT (1 << PIC32MX_MIRTOO_LED1)
/* If CONFIG_ARCH_LEDS is defined, then NuttX will control these LEDs as
* follows:
* ON OFF
* ------------------------- ---- ---- ---- ----
* LED0 LED1 LED0 LED1
* ------------------------- ---- ---- ---- ----
* LED_STARTED 0 OFF OFF --- ---
* LED_HEAPALLOCATE 1 ON OFF --- ---
* LED_IRQSENABLED 2 OFF ON --- ---
* LED_STACKCREATED 3 ON ON --- ---
* LED_INIRQ 4 ON N/C OFF N/C
* LED_SIGNAL 4 ON N/C OFF N/C
* LED_ASSERTION 4 ON N/C OFF N/C
* LED_PANIC 4 ON N/C OFF N/C
*/
#define LED_STARTED 0
#define LED_HEAPALLOCATE 1
#define LED_IRQSENABLED 2
#define LED_STACKCREATED 3
#define LED_INIRQ 4
#define LED_SIGNAL 4
#define LED_ASSERTION 4
#define LED_PANIC 4
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Inline Functions
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: pic32mx_ledinit, pic32mx_setled, and pic32mx_setleds
*
* Description:
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
* LEDs. If CONFIG_ARCH_LEDS is not defined, then the following interfaces
* are available to control the LEDs from user applicaitons.
*
****************************************************************************/
#ifndef CONFIG_ARCH_LEDS
EXTERN void pic32mx_ledinit(void);
EXTERN void pic32mx_setled(int led, bool ledon);
EXTERN void pic32mx_setleds(uint8_t ledset);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_MIRTOO_INCLUDE_BOARD_H */
|
