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
|
/***************************************************************************
* configs/z16f2800100zcog/src/z16f_lowinit.c
*
* Copyright (C) 2008, 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Based upon sample code included with the Zilog ZDS-II toolchain.
*
* 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.
*
***************************************************************************/
/***************************************************************************
* Included Files
***************************************************************************/
#include <nuttx/config.h>
#include "chip/chip.h"
/***************************************************************************
* Pre-processor Definitions
***************************************************************************/
/***************************************************************************
* Private Functions
***************************************************************************/
/***************************************************************************
* Name: z16f_gpioinit
*
* Description:
* Configure board-specific GPIO usage here. Driver pin configurations
* are set in the associated device drivers (such as UART, SPI, I2C,
* etc.) and must be preserved.
*
***************************************************************************/
static void z16f_gpioinit(void)
{
/* Configure LEDs and Run/Stop switch port */
putreg8(getreg8(Z16F_GPIOA_DD) | 0x87, Z16F_GPIOA_DD);
putreg8(getreg8(Z16F_GPIOA_OUT) | 0x07, Z16F_GPIOA_OUT);
putreg8(getreg8(Z16F_GPIOA_DD) & 0xF8, Z16F_GPIOA_DD);
/* Configure rate switch port */
putreg8(getreg8(Z16F_GPIOB_DD) | 0x20, Z16F_GPIOB_DD);
putreg8(getreg8(Z16F_GPIOB_AFL) | 0x20, Z16F_GPIOB_AFL);
#if 0 /* Not yet */
putreg8(0x05, Z16F_ADC0_MAX);
putreg8(0xf5, Z16F_ADC0_CTL);
#endif
/* Configure Direction switch port */
putreg8(getreg8(Z16F_GPIOC_DD) | 0x01, Z16F_GPIOC_DD);
}
/***************************************************************************
* Public Functions
***************************************************************************/
void z16f_lowinit(void)
{
z16f_gpioinit();
}
|
