periph_cpu.h
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1 /*
2  * Copyright (C) 2015 HAW Hamburg
3  * 2016 Freie Universität Berlin
4  * 2023 Hugues Larrive
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 
36 #define PM_NUM_MODES (5)
37 #define AVR8_PM_SLEEP_MODE_0 SLEEP_MODE_PWR_DOWN
38 #define AVR8_PM_SLEEP_MODE_1 SLEEP_MODE_PWR_SAVE
39 #define AVR8_PM_SLEEP_MODE_2 SLEEP_MODE_STANDBY
40 #define AVR8_PM_SLEEP_MODE_3 SLEEP_MODE_ADC
46 #define GPIO_PIN(x, y) ((x << 4) | y)
47 
51 enum {
52  PORT_B = 1,
53  PORT_C = 2,
54  PORT_D = 3
55 };
56 
62 #define CPU_ATMEGA_EXT_INTS { GPIO_PIN(PORT_D, 2), \
63  GPIO_PIN(PORT_D, 3) }
64 
68 static inline uint8_t atmega_pin2exti(uint8_t port_num, uint8_t pin_num)
69 {
70  (void)port_num;
71  return pin_num - 2;
72 }
73 
77 static inline bool atmega_has_pin_exti(uint8_t port_num, uint8_t pin_num)
78 {
79  if (port_num == PORT_D) {
80  return ((pin_num == 2) || (pin_num == 3));
81  }
82 
83  return false;
84 }
85 
90 #define I2C_PORT_REG PORTC
91 #define I2C_PIN_MASK (1 << PORTC4) | (1 << PORTC5)
98 #define EEPROM_SIZE (512U) /* 512B */
101 #ifdef __cplusplus
102 }
103 #endif
104 
105 #include "periph_conf.h"
106 #include "default_timer_config.h"
107 
108 #endif /* PERIPH_CPU_H */
@ PORT_B
port B
Definition: periph_cpu.h:48
@ PORT_C
port C
Definition: periph_cpu.h:49
@ PORT_D
port D
Definition: periph_cpu.h:50
Default timer configuration.
static bool atmega_has_pin_exti(uint8_t port_num, uint8_t pin_num)
Check if the given pin can be used as external interrupt.
Definition: periph_cpu.h:77
static uint8_t atmega_pin2exti(uint8_t port_num, uint8_t pin_num)
Get the interrupt vector number of the given GPIO pin.
Definition: periph_cpu.h:68