| 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 | * |
| 13 | * 1. The above copyright notice and this permission notice shall be |
| 14 | * included in all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * 2. If the Software is incorporated into a build system that allows |
| 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 | |
| 38 | // C language implementation |
| 39 | #ifdef __cplusplus |
| 40 | extern "C" { |
| 41 | #endif |
| 42 | int usb_seremu_getchar(void); |
| 43 | int usb_seremu_peekchar(void); |
| 44 | int usb_seremu_available(void); |
| 45 | void usb_seremu_flush_input(void); |
| 46 | int usb_seremu_putchar(uint8_t c); |
| 47 | int usb_seremu_write(const void *buffer, uint32_t size); |
| 48 | void usb_seremu_flush_output(void); |
| 49 | void usb_seremu_flush_callback(void); |
| 50 | extern volatile uint8_t usb_seremu_transmit_flush_timer; |
| 51 | extern volatile uint8_t usb_configuration; |
| 52 | #ifdef __cplusplus |
| 53 | } |
| 54 | #endif |
| 55 | |
| 56 | |
| 57 | // C++ interface |
| 58 | #ifdef __cplusplus |
| 59 | #include "Stream.h" |
| 60 | class usb_seremu_class : public Stream |
| 61 | { |
| 62 | public: |
| 63 | void begin(long) { /* TODO: call a function that tries to wait for enumeration */ }; |
| 64 | void end() { /* TODO: flush output and shut down USB port */ }; |
| 65 | virtual int available() { return usb_seremu_available(); } |
| 66 | virtual int read() { return usb_seremu_getchar(); } |
| 67 | virtual int peek() { return usb_seremu_peekchar(); } |
| 68 | virtual void flush() { usb_seremu_flush_output(); } |
| 69 | virtual size_t write(uint8_t c) { return usb_seremu_putchar(c); } |
| 70 | virtual size_t write(const uint8_t *buffer, size_t size) { return usb_seremu_write(buffer, size); } |
| 71 | size_t write(unsigned long n) { return write((uint8_t)n); } |
| 72 | size_t write(long n) { return write((uint8_t)n); } |
| 73 | size_t write(unsigned int n) { return write((uint8_t)n); } |
| 74 | size_t write(int n) { return write((uint8_t)n); } |
| 75 | using Print::write; |
| 76 | void send_now(void) { usb_seremu_flush_output(); }; |
| 77 | uint32_t baud(void) { return 9600; } |
| 78 | uint8_t stopbits(void) { return 1; } |
| 79 | uint8_t paritytype(void) { return 0; } |
| 80 | uint8_t numbits(void) { return 8; } |
| 81 | uint8_t dtr(void) { return 1; } |
| 82 | uint8_t rts(void) { return 1; } |
| 83 | operator bool() { return usb_configuration; } |
| 84 | }; |
| 85 | |
| 86 | extern usb_seremu_class Serial; |
| 87 | |
| 88 | #endif // __cplusplus |
| 89 | |
| 90 | #endif // USB_HID |
| 91 | #endif // USBseremu_h_ |