Remove unnecessary ErrorCode variable initializations from the LowLevel Host mode...
[pub/USBasp.git] / LUFA / Drivers / Board / AVR8 / TEENSY / LEDs.h
1 /*
2 LUFA Library
3 Copyright (C) Dean Camera, 2011.
4
5 dean [at] fourwalledcubicle [dot] com
6 www.lufa-lib.org
7 */
8
9 /*
10 Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
11
12 Permission to use, copy, modify, distribute, and sell this
13 software and its documentation for any purpose is hereby granted
14 without fee, provided that the above copyright notice appear in
15 all copies and that both that the copyright notice and this
16 permission notice and warranty disclaimer appear in supporting
17 documentation, and that the name of the author not be used in
18 advertising or publicity pertaining to distribution of the
19 software without specific, written prior permission.
20
21 The author disclaim all warranties with regard to this
22 software, including all implied warranties of merchantability
23 and fitness. In no event shall the author be liable for any
24 special, indirect or consequential damages or any damages
25 whatsoever resulting from loss of use, data or profits, whether
26 in an action of contract, negligence or other tortious action,
27 arising out of or in connection with the use or performance of
28 this software.
29 */
30
31 /** \file
32 * \brief Board specific LED driver header for the PJRC Teensy 1.x/2.x boards.
33 * \copydetails Group_LEDs_TEENSY
34 *
35 * \note This file should not be included directly. It is automatically included as needed by the LEDs driver
36 * dispatch header located in LUFA/Drivers/Board/LEDs.h.
37 */
38
39 /** \ingroup Group_LEDs
40 * \defgroup Group_LEDs_TEENSY TEENSY
41 * \brief Board specific LED driver header for the PJRC Teensy 1.x/2.x boards.
42 *
43 * \note For version 2 Teensy boards, compile with <code>BOARD = TEENSY2</code>.
44 *
45 * Board specific LED driver header for the PJRC Teensy boards (http://www.pjrc.com/teensy/index.html).
46 *
47 * @{
48 */
49
50 #ifndef __LEDS_TEENSY_H__
51 #define __LEDS_TEENSY_H__
52
53 /* Includes: */
54 #include "../../../../Common/Common.h"
55
56 /* Enable C linkage for C++ Compilers: */
57 #if defined(__cplusplus)
58 extern "C" {
59 #endif
60
61 /* Preprocessor Checks: */
62 #if !defined(__INCLUDE_FROM_LEDS_H)
63 #error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
64 #endif
65
66 /* Public Interface - May be used in end-application: */
67 /* Macros: */
68 /** LED mask for the first LED on the board. */
69 #define LEDS_LED1 (1 << 6)
70
71 /** LED mask for all the LEDs on the board. */
72 #define LEDS_ALL_LEDS LEDS_LED1
73
74 /** LED mask for none of the board LEDs. */
75 #define LEDS_NO_LEDS 0
76
77 /* Inline Functions: */
78 #if !defined(__DOXYGEN__)
79 static inline void LEDs_Init(void)
80 {
81 DDRD |= LEDS_ALL_LEDS;
82
83 #if (BOARD == BOARD_TEENSY2)
84 PORTD &= ~LEDS_ALL_LEDS;
85 #else
86 PORTD |= LEDS_ALL_LEDS;
87 #endif
88 }
89
90 static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask)
91 {
92 #if (BOARD == BOARD_TEENSY2)
93 PORTD |= LEDMask;
94 #else
95 PORTD &= ~LEDMask;
96 #endif
97 }
98
99 static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask)
100 {
101 #if (BOARD == BOARD_TEENSY2)
102 PORTD &= ~LEDMask;
103 #else
104 PORTD |= LEDMask;
105 #endif
106 }
107
108 static inline void LEDs_SetAllLEDs(const uint8_t LEDMask)
109 {
110 #if (BOARD == BOARD_TEENSY2)
111 PORTD = ((PORTD & ~LEDS_ALL_LEDS) | LEDMask);
112 #else
113 PORTD = ((PORTD | LEDS_ALL_LEDS) & ~LEDMask);
114 #endif
115 }
116
117 static inline void LEDs_ChangeLEDs(const uint8_t LEDMask,
118 const uint8_t ActiveMask)
119 {
120 #if (BOARD == BOARD_TEENSY2)
121 PORTD = ((PORTD & ~LEDMask) | ActiveMask);
122 #else
123 PORTD = ((PORTD | LEDMask) & ~ActiveMask);
124 #endif
125 }
126
127 static inline void LEDs_ToggleLEDs(const uint8_t LEDMask)
128 {
129 PORTD ^= LEDMask;
130 }
131
132 static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
133 static inline uint8_t LEDs_GetLEDs(void)
134 {
135 #if (BOARD == BOARD_TEENSY2)
136 return (PORTD & LEDS_ALL_LEDS);
137 #else
138 return (~PORTD & LEDS_ALL_LEDS);
139 #endif
140 }
141 #endif
142
143 /* Disable C linkage for C++ Compilers: */
144 #if defined(__cplusplus)
145 }
146 #endif
147
148 #endif
149
150 /** @} */
151