periph_cpu.h
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1 /*
2  * Copyright (C) 2015 HAW Hamburg
3  * 2016 Freie Universit├Ąt Berlin
4  * 2018 Matthew Blue
5  *
6  * This file is subject to the terms and conditions of the GNU Lesser
7  * General Public License v2.1. See the file LICENSE in the top level
8  * directory for more details.
9  */
10 
23 #ifndef PERIPH_CPU_H
24 #define PERIPH_CPU_H
25 
26 #include "periph_cpu_common.h"
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
35 #define GPIO_PIN(x, y) ((x << 4) | y)
36 
40 enum {
41  PORT_A = 0,
42  PORT_B = 1,
43  PORT_C = 2,
44  PORT_D = 3
45 };
46 
52 #define CPU_ATMEGA_EXT_INTS { GPIO_PIN(PORT_D, 2), \
53  GPIO_PIN(PORT_D, 3), \
54  GPIO_PIN(PORT_B, 2) }
55 
60 #define I2C_PORT_REG PORTC
61 #define I2C_PIN_MASK (1 << PORTC0) | (1 << PORTC1)
62 
68 #define EEPROM_SIZE (4096U) /* 4kB */
69 
71 #ifdef __cplusplus
72 }
73 #endif
74 
75 #endif /* PERIPH_CPU_H */
76 
port C
Definition: periph_cpu.h:38
port D
Definition: periph_cpu.h:39
port A
Definition: periph_cpu.h:36
port B
Definition: periph_cpu.h:37