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1 | /* |
2 | * fw/io.h - I/O helper macros |
3 | * |
4 | * Written 2012 by Werner Almesberger |
5 | * Copyright 2012 Werner Almesberger |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; either version 2 of the License, or |
10 | * (at your option) any later version. |
11 | */ |
12 | |
13 | #ifndef IO_H |
14 | #define IO_H |
15 | |
16 | #include <avr/io.h> |
17 | |
18 | |
19 | #define LED_A1 C, 0 |
20 | #define LED_A2 C, 1 |
21 | #define LED_A3 C, 2 |
22 | #define LED_A4 C, 3 |
23 | #define LED_A5 C, 4 |
24 | #define LED_A6 C, 5 |
25 | #define LED_A7 D, 0 |
26 | #define LED_A8 D, 1 |
27 | |
28 | #define LED_B1 D, 2 |
29 | #define LED_B2 D, 3 |
30 | #define LED_B3 D, 4 |
31 | #define LED_B4 B, 6 |
32 | #define LED_B5 B, 7 |
33 | #define LED_B6 D, 5 |
34 | #define LED_B7 D, 6 |
35 | #define LED_B8 D, 7 |
36 | |
37 | #define ADC_X 6 |
38 | #define ADC_Y 7 |
39 | |
40 | #define RF_SCLK B, 5 |
41 | #define RF_MISO B, 4 |
42 | #define RF_MOSI B, 3 |
43 | #define RF_nSS B, 2 /* called nSS in schematics */ |
44 | #define RF_IRQ B, 1 |
45 | #define RF_nRST B, 0 |
46 | |
47 | #define __SET(port, bit) PORT##port |= 1 << (bit) |
48 | #define __CLR(port, bit) PORT##port &= ~(1 << (bit)) |
49 | #define __OUT(port, bit) DDR##port |= 1 << (bit) |
50 | #define __IN(port, bit) DDR##port &= ~(1 << (bit)) |
51 | #define __PIN(port, bit) ((PIN##port >> (bit)) & 1) |
52 | |
53 | #define SET(...) __SET(__VA_ARGS__) |
54 | #define CLR(...) __CLR(__VA_ARGS__) |
55 | #define OUT(...) __OUT(__VA_ARGS__) |
56 | #define IN(...) __IN(__VA_ARGS__) |
57 | #define PIN(...) __PIN(__VA_ARGS__) |
58 | |
59 | #define __SEL_BB(v) (v) |
60 | #define __SEL_CC(v) (v) |
61 | #define __SEL_DD(v) (v) |
62 | |
63 | #define __SEL_BC(v) (0) |
64 | #define __SEL_BD(v) (0) |
65 | #define __SEL_CB(v) (0) |
66 | #define __SEL_CD(v) (0) |
67 | #define __SEL_DB(v) (0) |
68 | #define __SEL_DC(v) (0) |
69 | |
70 | #define __MASK(sel, port, bit) __SEL_##sel##port(1 << (bit)) |
71 | #define MASK(...) __MASK(__VA_ARGS__) |
72 | |
73 | #endif /* IO_H */ |
74 |
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