00001 /*This file has been prepared for Doxygen automatic documentation generation.*/ 00013 00014 /* Copyright (c) 2007, 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 * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED 00030 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00031 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND 00032 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, 00033 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00034 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00035 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00036 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00037 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00038 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00039 */ 00040 00041 #ifndef _USB_TASK_H_ 00042 #define _USB_TASK_H_ 00043 00046 00047 //_____ I N C L U D E S ____________________________________________________ 00048 00049 00050 //_____ M A C R O S ________________________________________________________ 00051 00055 #define Usb_send_event(x) (g_usb_event |= (1<<x)) 00056 #define Usb_ack_event(x) (g_usb_event &= ~(1<<x)) 00057 #define Usb_clear_all_event() (g_usb_event = 0) 00058 #define Is_usb_event(x) ((g_usb_event & (1<<x)) ? TRUE : FALSE) 00059 #define Is_not_usb_event(x) ((g_usb_event & (1<<x)) ? FALSE: TRUE) 00060 00061 #define EVT_USB_POWERED 1 // USB plugged 00062 #define EVT_USB_UNPOWERED 2 // USB un-plugged 00063 #define EVT_USB_DEVICE_FUNCTION 3 // USB in device 00064 #define EVT_USB_HOST_FUNCTION 4 // USB in host 00065 #define EVT_USB_SUSPEND 5 // USB suspend 00066 #define EVT_USB_WAKE_UP 6 // USB wake up 00067 #define EVT_USB_RESUME 7 // USB resume 00068 #define EVT_USB_RESET 8 // USB reset 00070 00071 #define USB_MODE_UNDEFINED 0x00 00072 #define USB_MODE_HOST 0x01 00073 #define USB_MODE_DEVICE 0x02 00074 00075 //_____ D E C L A R A T I O N S ____________________________________________ 00076 00077 extern volatile U16 g_usb_event; 00078 extern U8 g_usb_mode; 00079 00093 void usb_task_init (void); 00094 00105 void usb_task (void); 00106 00107 extern volatile U8 private_sof_counter; 00108 00109 00110 00112 00113 #endif /* _USB_TASK_H_ */ 00114