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
|
/****************************************************************************
* arch/z80/src/z180/z180_lowuart.c
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <string.h>
#include <arch/io.h>
#include <nuttx/arch.h>
#include <nuttx/sched.h>
#include "chip/chip.h"
#include "common/up_internal.h"
#include "z180_config.h"
#if defined(USE_LOWSERIALINIT) && defined(HAVE_UART)
/****************************************************************************
* Private Definitions
****************************************************************************/
/* Select UART parameters for the selected console */
#if defined(CONFIG_Z180_UART0_SERIAL_CONSOLE)
# define CONSOLE_CR Z181_UART0_CR
# define CONSOLE_DR Z181_UART0_DR
# define CONSOLE_BAUD CONFIG_Z180_UART0_BAUD
# define CONSOLE_BITS CONFIG_Z180_UART0_BITS
# define CONSOLE_2STOP CONFIG_Z180_UART0_2STOP
# define CONSOLE_PARITY CONFIG_Z180_UART0_PARITY
#elif defined(CONFIG_Z180_UART1_SERIAL_CONSOLE)
# define CONSOLE_CR Z182_UART1_CR
# define CONSOLE_DR Z182_UART1_DR
# define CONSOLE_BAUD CONFIG_Z180_UART1_BAUD
# define CONSOLE_BITS CONFIG_Z180_UART1_BITS
# define CONSOLE_2STOP CONFIG_Z180_UART1_2STOP
# define CONSOLE_PARITY CONFIG_Z180_UART1_PARITY
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: z180_uart_setbaud
*
* Description:
*
****************************************************************************/
#if defined(HAVE_UART_CONSOLE) && !defined(CONFIG_SUPPRESS_UART_CONFIG)
static void z180_uart_setbaud(void)
{
#warning "Missing logic"
}
#endif /* HAVE_UART_CONSOLE && !CONFIG_SUPPRESS_UART_CONFIG */
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: z180_uart_lowinit
*
* Description:
* Called early in the boot sequence to initialize the [E]SCC channel(s)
*
****************************************************************************/
void z180_uart_lowinit(void)
{
#warning "Missing logic"
/* Configure for usage of {E]SCC channels (whether or not we have a console) */
#ifdef CONFIG_Z180_UART0
#warning "Missing logic"
#endif
#ifdef CONFIG_Z180_UART1
#warning "Missing logic"
#endif
/* Configure the console for immediate usage */
#if defined(HAVE_UART_CONSOLE) && !defined(CONFIG_SUPPRESS_UART_CONFIG)
#warning "Missing logic"
#endif /* HAVE_UART0_CONSOLE && !CONFIG_SUPPRESS_UART_CONFIG */
}
/****************************************************************************
* Name: z180_putc
*
* Description:
* Low-level character output
*
****************************************************************************/
#ifdef HAVE_UART_CONSOLE
void z180_putc(uint8_t ch)
{
#warning "Missing logic"
}
#endif
#endif /* USE_LOWSERIALINIT && HAVE_UART*/
|
