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
|
/************************************************************************************
* configs/lm3s6432-s2e/src/lm3s6432s2e_internal.h
*
* Copyright (C) 2010 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_LM3S6432_S2E_SRC_LM3S6432S2E_INTERNAL_H
#define __CONFIGS_LM3S6432_S2E_SRC_LM3S6432S2E_INTERNAL_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include "chip.h"
#include "tiva_gpio.h"
/************************************************************************************
* Definitions
************************************************************************************/
/* How many SSI modules does this chip support? The LM3S6432 supports 1 SSI
* module (others may support more than 2 -- in such case, the following must be
* expanded).
*/
#if TIVA_NSSI == 0
# undef CONFIG_SSI0_DISABLE
# define CONFIG_SSI0_DISABLE 1
#endif
#undef CONFIG_SSI1_DISABLE
#define CONFIG_SSI1_DISABLE 1
/* LM3S6432 MDL-S2E *****************************************************************/
/* GPIO Usage
*
* PIN SIGNAL S2E Function
* --- ----------------- ---------------------------------------
* L3 PA0/U0RX Virtual COM port receive
* M3 PA1/U0TX Virtual COM port transmit
* E12 PB0/U0CTS Virtual COM port CTS
* D12 PB1/U0RTS Virtual COM port RTS
* L5 PA4/SPIRX SPI receive
* M5 PA5/SPITX SPI transmit
* H2 PD2/U1RX Virtual COM port receive
* H1 PD3/U1TX Virtual COM port transmit
* L4 PA3/U1CTS/SPICLK Virtual COM port CTS
* M4 PA2/U1RTS/SPISEL Virtual COM port RTS
* J11 PF0/LED1 Ethernet LED1 (green)
* J12 PF1/LED0 Ethernet LED0 (yellow)
* C11 PB2 Transciever #INVALID
* C12 PB3 Transciever #ENABLE
* A6 PB4 Transciever ON
* B7 PB5 Transciever #OFF
*/
/* GPIO for LEDs:
* - PF0: User LED
*/
#define LED1_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTF | 2)
#define LED0_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTF | 3)
/* GPIO for SSI0 select
*/
#define SSICS_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTA | 3)
/* GPIOs for the RS-232 transciever enable/disable.
* Default state for these enables the transciever.
*/
#define XCVR_INV_GPIO (GPIO_FUNC_INPUT | GPIO_PORTB | 2)
#define XCVR_ENA_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTB | 3)
#define XCVR_ON_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTB | 4)
#define XCVR_OFF_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTB | 5)
/************************************************************************************
* Public Functions
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Name: lm_ssiinitialize
*
* Description:
* Called to configure SPI chip select GPIO pins for the MDL-S2E.
*
************************************************************************************/
void weak_function lm_ssiinitialize(void);
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_LM3S6432_S2E_SRC_LM3S6432S2E_INTERNAL_H */
|
