Blame view

RIOT/boards/arduino-mega2560/include/periph_conf.h 2.73 KB
fb11e647   vrobic   reseau statique a...
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
  /*
   * Copyright (C) 2014-2016 Freie Universitรคt Berlin
   *               2014 Hinnerk van Bruinehsen
   *
   * 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.
   */
  
  /**
   * @ingroup     boards_arduino-mega2560
   * @{
   *
   * @file
   * @brief       Peripheral MCU configuration for the Arduino Mega 2560 board
   *
   * @author      Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   */
  
  #ifndef PERIPH_CONF_H_
  #define PERIPH_CONF_H_
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * @brief   Clock configuration
   * @{
   */
  #define CLOCK_CORECLOCK     (16000000L)
  /** @} */
  
  /**
   * @brief   Timer configuration
   *
   * The timer driver only supports the four 16-bit timers (Timer1, Timer3,
   * Timer4, Timer5), so those are the only onces we can use here.
   *
   * @{
   */
  #define TIMER_NUMOF         (2U)
  
  #define TIMER_0             MEGA_TIMER1
  #define TIMER_0_MASK        &TIMSK1
  #define TIMER_0_FLAG        &TIFR1
  #define TIMER_0_ISRA        TIMER1_COMPA_vect
  #define TIMER_0_ISRB        TIMER1_COMPB_vect
  #define TIMER_0_ISRC        TIMER1_COMPC_vect
  
  #define TIMER_1             MEGA_TIMER4
  #define TIMER_1_MASK        &TIMSK4
  #define TIMER_1_FLAG        &TIFR4
  #define TIMER_1_ISRA        TIMER4_COMPA_vect
  #define TIMER_1_ISRB        TIMER4_COMPB_vect
  #define TIMER_1_ISRC        TIMER4_COMPC_vect
  /** @} */
  
  /**
   * @brief   UART configuration
   *
   * The UART devices have fixed pin mappings, so all we need to do, is to specify
   * which devices we would like to use and their corresponding RX interrupts. See
   * the reference manual for the fixed pin mapping.
   *
   * @{
   */
  #define UART_NUMOF          (4U)
  
  #define UART_0              MEGA_UART0
  #define UART_0_ISR          USART0_RX_vect
  
  #define UART_1              MEGA_UART1
  #define UART_1_ISR          USART1_RX_vect
  
  #define UART_2              MEGA_UART2
  #define UART_2_ISR          USART2_RX_vect
  
  #define UART_3              MEGA_UART3
  #define UART_3_ISR          USART3_RX_vect
  /** @} */
  
  /**
   * @brief SPI configuration
   *
   * The atmega2560 has only one hardware SPI with fixed pin configuration, so all
   * we can do here, is to enable or disable it...
   *
   * The fixed pins used, are:
   * MOSI - PB2 (Arduino pin 51)
   * MISO - PB3 (Arduino pin 50)
   * SCK  - PB1 (Arduino pin 52)
   * SS   - PB0 (Arduino pin 53) -> this pin is configured as output, but not used
   *
   * @{
   */
  #define SPI_NUMOF           1           /* set to 0 to disable SPI */
  #define SPI_0_EN            1           /* remove once SPI rework is done */
  #define MEGA_PRR            PRR0        /* Power Reduction Register is PRR0 */
  /** @} */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* PERIPH_CONF_H_ */