board.h
2.12 KB
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
/*
* Copyright (C) 2014 Freie Universität Berlin, Hinnerk van Bruinehsen
* 2016 Laurent Navet <laurent.navet@gmail.com>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup boards_arduino-common Arduino common
* @ingroup boards
* @brief Board specific files for the arduino Uno and
* @brief Duemilanove boards.
* @{
*
* @file
* @brief Board specific definitions for the arduino Uno and
* @brief Duemilanove boards.
*
* @author Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
* @author Laurent Navet <laurent.navet@gmail.com>
*/
#ifndef BOARD_H_
#define BOARD_H_
#include "cpu.h"
#include "arduino_pinmap.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief As the CPU is too slow to handle 115200 baud, we set the default
* baudrate to 9600 for this board
* @{
*/
#define UART_STDIO_BAUDRATE (9600U)
/** @} */
/**
* @brief LED pin definitions and handlers
* @{
*/
#define LED0_PIN GPIO_PIN(1, 5)
#define LED0_MASK (1 << DDB5)
#define LED0_ON (PORTB |= LED0_MASK)
#define LED0_OFF (PORTB &= ~LED0_MASK)
#define LED0_TOGGLE (PORTB ^= LED0_MASK)
/** @} */
/**
** Context swap defines
** Setup to use PJ6 which is pin change interrupt 15 (PCINT15)
** This emulates a software triggered interrupt
***/
#define AVR_CONTEXT_SWAP_INIT do { \
DDRC |= (1 << PC6); \
PCICR |= (1 << PCIE1); \
PCMSK1 |= (1 << PCINT14); \
} while (0)
#define AVR_CONTEXT_SWAP_INTERRUPT_VECT PCINT1_vect
#define AVR_CONTEXT_SWAP_TRIGGER PORTC ^= (1 << PC6)
/**
* @brief xtimer configuration values
* @{
*/
#define XTIMER_WIDTH (16)
#define XTIMER_SHIFT (2)
#define XTIMER_HZ (250000UL)
#define XTIMER_BACKOFF (40)
/** @} */
/**
* @brief Initialize board specific hardware, including clock, LEDs and std-IO
*/
void board_init(void);
#ifdef __cplusplus
}
#endif
#endif /* BOARD_H_ */
/** @} */