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
|
/************************************************************************************
* configs/olimex-lpc-h3131/include/board.h
*
* Copyright (C) 2013 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_OLIMEX_LPC_H3131_INCLUDE_BOARD_H
#define __CONFIGS_OLIMEX_LPC_H3131_INCLUDE_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
# include "lpc31_cgudrvr.h"
#endif
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* Frequency of the FFAST input */
#define BOARD_FREQIN_FFAST (12000000) /* ffast (12 MHz crystal) */
/* HPLL0 configuration */
#define BOARD_HPLL0_FINSEL CGU_HPFINSEL_FFAST /* Frequency input selection */
#define BOARD_HPLL0_NDEC 131 /* PLL N-divider value */
#define BOARD_HPLL0_MDEC 29784 /* PLL M-divider value */
#define BOARD_HPLL0_PDEC 7 /* PLL P-divider value */
#define BOARD_HPLL0_SELR 0 /* SELR bandwidth selection */
#define BOARD_HPLL0_SELI 8 /* SELI bandwidth selection */
#define BOARD_HPLL0_SELP 31 /* SELP bandwidth selection */
#define BOARD_HPLL0_MODE 0 /* PLL mode */
#define BOARD_HPLL0_FREQ 406425600 /* Frequency of the PLL in MHz */
/* HPLL1 configuration */
#define BOARD_HPLL1_FINSEL CGU_HPFINSEL_FFAST /* Frequency input selection */
#define BOARD_HPLL1_NDEC 770 /* PLL N-divider value */
#define BOARD_HPLL1_MDEC 8191 /* PLL M-divider value */
#define BOARD_HPLL1_PDEC 98 /* PLL P-divider value */
#define BOARD_HPLL1_SELR 0 /* SELR bandwidth selection */
#define BOARD_HPLL1_SELI 16 /* SELI bandwidth selection */
#define BOARD_HPLL1_SELP 8 /* SELP bandwidth selection */
#define BOARD_HPLL1_MODE 0 /* PLL mode */
#define BOARD_HPLL1_FREQ 180000000 /* Frequency of the PLL in MHz */
/* The following 3 bitsets determine which clocks will be enabled at initialization
* time.
*/
#define BOARD_CLKS_0_31 \
(_RBIT(CLKID_APB0CLK,0)|_RBIT(CLKID_APB1CLK,0)|_RBIT(CLKID_APB2CLK,0)|\
_RBIT(CLKID_APB3CLK,0)|_RBIT(CLKID_APB4CLK,0)|_RBIT(CLKID_AHB2INTCCLK,0)|\
_RBIT(CLKID_AHB0CLK,0)|_RBIT(CLKID_ARM926CORECLK,0)|_RBIT(CLKID_ARM926BUSIFCLK,0)|\
_RBIT(CLKID_ARM926RETIMECLK,0)|_RBIT(CLKID_ISRAM0CLK,0)|_RBIT(CLKID_ISRAM1CLK,0)|\
_RBIT(CLKID_ISROMCLK,0)|_RBIT(CLKID_INTCCLK,0)|_RBIT(CLKID_AHB2APB0PCLK,0)|\
_RBIT(CLKID_EVENTROUTERPCLK,0)|_RBIT(CLKID_CLOCKOUT,0))
#define BOARD_CLKS_32_63 \
(_RBIT(CLKID_IOCONFPCLK,32)|_RBIT(CLKID_CGUPCLK,32)|_RBIT(CLKID_SYSCREGPCLK,32)|\
_RBIT(CLKID_OTPPCLK,32)|_RBIT(CLKID_AHB2APB1PCLK,32)|_RBIT(CLKID_AHB2APB2PCLK,32)|\
_RBIT(CLKID_AHB2APB3PCLK,32)|_RBIT(CLKID_EDGEDETPCLK,32))
#define BOARD_CLKS_64_92 \
(0)
/* LED definitions ******************************************************************/
/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any
* way. The following definitions are used to access individual LEDs.
*/
/* LED index values for use with lpc31_setled() */
#define BOARD_LED1 0
#define BOARD_LED2 1
#define BOARD_NLEDS 2
/* LED bits for use with lpc31_setleds() */
#define BOARD_LED1_BIT (1 << BOARD_LED1)
#define BOARD_LED2_BIT (1 << BOARD_LED2)
/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
* defined. In that case, the usage by the board port is as follows:
*
* SYMBOL Meaning LED state
* LED2 LED1
* ------------------------ -------------------------- ------ ------ */
#define LED_STARTED 0 /* NuttX has been started OFF OFF */
#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF OFF */
#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF */
#define LED_STACKCREATED 1 /* Idle stack created ON OFF */
#define LED_INIRQ 2 /* In an interrupt N/C N/C */
#define LED_SIGNAL 2 /* In a signal handler N/C N/C */
#define LED_ASSERTION 2 /* An assertion failed N/C N/C */
#define LED_PANIC 3 /* The system has crashed N/C Blinking */
#undef LED_IDLE /* MCU is is sleep mode Not used */
/* Thus if LED2 is statically on, NuttX has successfully booted and is,
* apparently, running normmally. If LED1 is flashing at approximately
* 2Hz, then a fatal error has been detected and the system has halted.
*
* NOTE: That LED2 is not used after completion of booting and may
* be used by other board-specific logic.
*/
/* Button definitions ***************************************************************/
/* The Olimex LPC_H3131 has no user buttons */
/************************************************************************************
* Public Data
************************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
/************************************************************************************
* Name: lpc31_boardinitialize
*
* Description:
* All LPC31XX 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.
*
************************************************************************************/
void lpc31_boardinitialize(void);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
/************************************************************************************
* Name: lpc31_setled, and lpc31_setleds
*
* Description:
* These interfaces allow user control of the board LEDs.
*
* If CONFIG_ARCH_LEDS is defined, then NuttX will control both on-board LEDs up
* until the completion of boot. The it will continue to control LED1; LED2 is
* avaiable for application use.
*
* If CONFIG_ARCH_LEDS is not defined, then both LEDs are available for application
* use.
*
************************************************************************************/
void lpc31_setled(int led, bool ledon);
void lpc31_setleds(uint8_t ledset);
/************************************************************************************
* Name: lpc31_setup_overcurrent
*
* Description:
* Setup to receive an interrupt-level callback if an overcurrent condition is
* detected.
*
* Input parameter:
* handler - New overcurrent interrupt handler
*
* Returned value:
* Old overcurrent interrupt handler
*
************************************************************************************/
#if 0 /* Not ready yet */
xcpt_t lpc31_setup_overcurrent(xcpt_t handler);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_OLIMEX_LPC_H3131_INCLUDE_BOARD_H */
|
