1 /* Teensyduino Core Library
2 * http://www.pjrc.com/teensy/
3 * Copyright (c) 2013 PJRC.COM, LLC.
4 * Modifications by Jacob Alexander 2014
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * 1. The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
17 * 2. If the Software is incorporated into a build system that allows
18 * selection among a list of target devices, then similar target
19 * devices manufactured by PJRC.COM must be included in the list of
20 * target devices and selectable in the same manner.
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
26 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
27 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
28 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 // ----- Includes -----
43 // ----- Defines -----
45 #define usb_device_software_reset() SOFTWARE_RESET()
49 // ----- Variables -----
51 extern volatile uint8_t usb_configuration;
53 extern uint16_t usb_rx_byte_count_data[NUM_ENDPOINTS];
55 extern volatile uint8_t usb_cdc_line_coding[7];
56 extern volatile uint8_t usb_cdc_line_rtsdtr;
57 extern volatile uint8_t usb_cdc_transmit_flush_timer;
59 extern volatile uint8_t remote_wakeup_enabled;
63 // ----- Functions -----
65 uint8_t usb_configured(); // is the USB port configured
66 uint8_t usb_init(); // Returns 1 on success, 0 if no cable is attached
69 void usb_tx( uint32_t endpoint, usb_packet_t *packet );
70 void usb_tx_isr( uint32_t endpoint, usb_packet_t *packet );
72 uint32_t usb_tx_byte_count( uint32_t endpoint );
73 uint32_t usb_tx_packet_count( uint32_t endpoint );
75 usb_packet_t *usb_rx( uint32_t endpoint );
77 static inline uint32_t usb_rx_byte_count(uint32_t endpoint) __attribute__((always_inline));
78 static inline uint32_t usb_rx_byte_count(uint32_t endpoint)
81 if ( endpoint >= NUM_ENDPOINTS )
83 return usb_rx_byte_count_data[ endpoint ];
86 void usb_device_reload();
88 extern void usb_serial_flush_callback();