00001 /*This file is prepared for Doxygen automatic documentation generation.*/ 00013 00014 /* Copyright (c) 2009 Atmel Corporation. All rights reserved. 00015 * 00016 * Redistribution and use in source and binary forms, with or without 00017 * modification, are permitted provided that the following conditions are met: 00018 * 00019 * 1. Redistributions of source code must retain the above copyright notice, 00020 * this list of conditions and the following disclaimer. 00021 * 00022 * 2. Redistributions in binary form must reproduce the above copyright notice, 00023 * this list of conditions and the following disclaimer in the documentation 00024 * and/or other materials provided with the distribution. 00025 * 00026 * 3. The name of Atmel may not be used to endorse or promote products derived 00027 * from this software without specific prior written permission. 00028 * 00029 * 4. This software may only be redistributed and used in connection with an Atmel 00030 * AVR product. 00031 * 00032 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 00033 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00034 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE EXPRESSLY AND 00035 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, 00036 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00037 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00038 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00039 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00040 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00041 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00042 */ 00043 00044 #ifndef _USB_TASK_H_ 00045 #define _USB_TASK_H_ 00046 00049 00050 //_____ I N C L U D E S ____________________________________________________ 00051 00052 00053 //_____ M A C R O S ________________________________________________________ 00054 00058 #define Usb_send_event(x) (g_usb_event |= (1<<x)) 00059 #define Usb_ack_event(x) (g_usb_event &= ~(1<<x)) 00060 #define Usb_clear_all_event() (g_usb_event = 0) 00061 #define Is_usb_event(x) ((g_usb_event & (1<<x)) ? TRUE : FALSE) 00062 #define Is_not_usb_event(x) ((g_usb_event & (1<<x)) ? FALSE: TRUE) 00063 00064 #define EVT_USB_POWERED 1 // USB plugged 00065 #define EVT_USB_UNPOWERED 2 // USB un-plugged 00066 #define EVT_USB_DEVICE_FUNCTION 3 // USB in device 00067 #define EVT_USB_HOST_FUNCTION 4 // USB in host 00068 #define EVT_USB_SUSPEND 5 // USB suspend 00069 #define EVT_USB_WAKE_UP 6 // USB wake up 00070 #define EVT_USB_RESUME 7 // USB resume 00071 #define EVT_USB_RESET 8 // USB reset 00073 00074 #define USB_MODE_UNDEFINED 0x00 00075 #define USB_MODE_HOST 0x01 00076 #define USB_MODE_DEVICE 0x02 00077 00078 //_____ D E C L A R A T I O N S ____________________________________________ 00079 00080 extern volatile U16 g_usb_event; 00081 extern U8 g_usb_mode; 00082 00096 void usb_task_init (void); 00097 00108 void usb_task (void); 00109 00110 extern volatile U8 private_sof_counter; 00111 00112 00113 00115 00116 #endif /* _USB_TASK_H_ */ 00117