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1 | /* | |
2 | * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de> | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0 | |
5 | */ | |
6 | ||
7 | #ifndef COMMON_H | |
8 | #define COMMON_H | |
9 | ||
10 | #include <stdio.h> | |
11 | #include <stdint.h> | |
12 | #include <stdbool.h> | |
13 | #include <ctype.h> | |
14 | #include <string.h> | |
15 | #include <stdlib.h> | |
16 | #include "errnum.h" | |
17 | ||
18 | #define GCC_VERSION (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__) | |
19 | ||
20 | #define USED __attribute__((used)) | |
21 | #define UNUSED __attribute__((unused)) | |
22 | ||
23 | #ifdef __AVR__ | |
24 | #include <avr/io.h> | |
25 | #include <avr/pgmspace.h> | |
26 | #include <util/delay.h> | |
27 | ||
28 | #define udelay(n) _delay_us(n) | |
29 | ||
30 | struct bits { | |
31 | uint8_t b0:1; | |
32 | uint8_t b1:1; | |
33 | uint8_t b2:1; | |
34 | uint8_t b3:1; | |
35 | uint8_t b4:1; | |
36 | uint8_t b5:1; | |
37 | uint8_t b6:1; | |
38 | uint8_t b7:1; | |
39 | } __attribute__((__packed__)); | |
40 | ||
41 | #define SBIT(port,pin) ((*(volatile struct bits*)&port).b##pin) | |
42 | ||
43 | //GCC bug PR61443 | |
44 | // Known to work: 4.8.4, 4.9.1 | |
45 | // Known to fail: 4.8.3, 4.9.0 | |
46 | ||
47 | #if (GCC_VERSION < 40804) || (GCC_VERSION == 40900) | |
48 | #define GCC_BUG_61443 1 | |
49 | #endif /* PR61443 */ | |
50 | ||
51 | #define DEVICE_NAME __AVR_DEVICE_NAME__ | |
52 | ||
53 | #else | |
54 | // TODO: stm32 | |
55 | #endif /* __AVR__ */ | |
56 | ||
57 | #ifdef __FLASH | |
58 | #define FLASH __flash | |
59 | #define MEMX __memx | |
60 | #else | |
61 | #define FLASH | |
62 | #define MEMX | |
63 | #endif | |
64 | ||
65 | #define stringify(s) tostring(s) | |
66 | #define tostring(s) #s | |
67 | ||
68 | #define FSTR(X) ((const FLASH char[]) { X } ) | |
69 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) | |
70 | ||
71 | #define MIN(a,b) ({ typeof (a) _a = (a); \ | |
72 | typeof (b) _b = (b); \ | |
73 | _a < _b ? _a : _b; }) | |
74 | #define MAX(a,b) ({ typeof (a) _a = (a); \ | |
75 | typeof (b) _b = (b); \ | |
76 | _a > _b ? _a : _b; }) | |
77 | ||
78 | #ifdef __AVR__ | |
79 | #define Stat GPIOR0 | |
80 | #else | |
81 | extern volatile uint_least8_t Stat; | |
82 | #endif /* __AVR__ */ | |
83 | ||
84 | #define S_10MS_TO (1<<0) | |
85 | #define S_MSG_PENDING (1<<1) | |
86 | #define S_CON_PENDING (1<<3) | |
87 | #define S_RESET_POLARITY (1<<4) | |
88 | ||
89 | static inline | |
90 | int my_puts(const char *s) | |
91 | { | |
92 | return fputs(s, stdout); | |
93 | } | |
94 | ||
95 | static inline | |
96 | int my_puts_P(const char *s) | |
97 | { | |
98 | #ifdef __AVR__ | |
99 | return fputs_P(s, stdout); | |
100 | #else | |
101 | return fputs(s, stdout); | |
102 | #endif /* __AVR__ */ | |
103 | } | |
104 | ||
105 | #endif /* COMMON_H */ |