update teensy3 lib to latest, use new vector change mechanism
[megadrive.git] / teensy3 / usb_seremu.h
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35f00b6c 1/* Teensyduino Core Library
2 * http://www.pjrc.com/teensy/
3 * Copyright (c) 2013 PJRC.COM, LLC.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
a773ac06 13 * 1. The above copyright notice and this permission notice shall be
35f00b6c 14 * included in all copies or substantial portions of the Software.
15 *
a773ac06 16 * 2. If the Software is incorporated into a build system that allows
35f00b6c 17 * selection among a list of target devices, then similar target
18 * devices manufactured by PJRC.COM must be included in the list of
19 * target devices and selectable in the same manner.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
25 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
26 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28 * SOFTWARE.
29 */
30
31#ifndef USBseremu_h_
32#define USBseremu_h_
33
34#if defined(USB_HID) || defined(USB_MIDI) || defined(USB_RAWHID) || defined(USB_FLIGHTSIM)
35
36#include <inttypes.h>
37
a773ac06 38#if F_CPU >= 20000000
39
35f00b6c 40// C language implementation
41#ifdef __cplusplus
42extern "C" {
43#endif
44int usb_seremu_getchar(void);
45int usb_seremu_peekchar(void);
46int usb_seremu_available(void);
47void usb_seremu_flush_input(void);
48int usb_seremu_putchar(uint8_t c);
49int usb_seremu_write(const void *buffer, uint32_t size);
a773ac06 50int usb_seremu_write_buffer_free(void);
35f00b6c 51void usb_seremu_flush_output(void);
52void usb_seremu_flush_callback(void);
53extern volatile uint8_t usb_seremu_transmit_flush_timer;
54extern volatile uint8_t usb_configuration;
55#ifdef __cplusplus
56}
57#endif
58
35f00b6c 59// C++ interface
60#ifdef __cplusplus
61#include "Stream.h"
62class usb_seremu_class : public Stream
63{
64public:
65 void begin(long) { /* TODO: call a function that tries to wait for enumeration */ };
66 void end() { /* TODO: flush output and shut down USB port */ };
67 virtual int available() { return usb_seremu_available(); }
68 virtual int read() { return usb_seremu_getchar(); }
69 virtual int peek() { return usb_seremu_peekchar(); }
70 virtual void flush() { usb_seremu_flush_output(); }
71 virtual size_t write(uint8_t c) { return usb_seremu_putchar(c); }
72 virtual size_t write(const uint8_t *buffer, size_t size) { return usb_seremu_write(buffer, size); }
73 size_t write(unsigned long n) { return write((uint8_t)n); }
74 size_t write(long n) { return write((uint8_t)n); }
75 size_t write(unsigned int n) { return write((uint8_t)n); }
76 size_t write(int n) { return write((uint8_t)n); }
a773ac06 77 int availableForWrite() { return usb_seremu_write_buffer_free(); }
35f00b6c 78 using Print::write;
79 void send_now(void) { usb_seremu_flush_output(); };
80 uint32_t baud(void) { return 9600; }
81 uint8_t stopbits(void) { return 1; }
82 uint8_t paritytype(void) { return 0; }
83 uint8_t numbits(void) { return 8; }
84 uint8_t dtr(void) { return 1; }
85 uint8_t rts(void) { return 1; }
86 operator bool() { return usb_configuration; }
87};
35f00b6c 88extern usb_seremu_class Serial;
a773ac06 89extern void serialEvent(void);
90#endif // __cplusplus
91
35f00b6c 92
a773ac06 93
94#else // F_CPU < 20 MHz
95
96// Allow Arduino programs using Serial to compile, but Serial will do nothing.
97#ifdef __cplusplus
98#include "Stream.h"
99class usb_seremu_class : public Stream
100{
101public:
102 void begin(long) { };
103 void end() { };
104 virtual int available() { return 0; }
105 virtual int read() { return -1; }
106 virtual int peek() { return -1; }
107 virtual void flush() { }
108 virtual size_t write(uint8_t c) { return 1; }
109 virtual size_t write(const uint8_t *buffer, size_t size) { return size; }
110 size_t write(unsigned long n) { return 1; }
111 size_t write(long n) { return 1; }
112 size_t write(unsigned int n) { return 1; }
113 size_t write(int n) { return 1; }
114 int availableForWrite() { return 0; }
115 using Print::write;
116 void send_now(void) { }
117 uint32_t baud(void) { return 0; }
118 uint8_t stopbits(void) { return 1; }
119 uint8_t paritytype(void) { return 0; }
120 uint8_t numbits(void) { return 8; }
121 uint8_t dtr(void) { return 1; }
122 uint8_t rts(void) { return 1; }
123 operator bool() { return true; }
124};
125
126extern usb_seremu_class Serial;
127extern void serialEvent(void);
35f00b6c 128#endif // __cplusplus
129
a773ac06 130
131#endif // F_CPU >= 20 MHz
132
35f00b6c 133#endif // USB_HID
a773ac06 134
35f00b6c 135#endif // USBseremu_h_