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_DEVICE_TASK_H_ 00045 #define _USB_DEVICE_TASK_H_ 00046 00049 00050 //_____ I N C L U D E S ____________________________________________________ 00051 00052 00053 //_____ M A C R O S ________________________________________________________ 00054 00055 00056 //_____ D E C L A R A T I O N S ____________________________________________ 00057 00058 00064 extern bit usb_suspended; 00065 00066 00070 #define B_IDLE 0 00071 #define B_SRP_INIT 1 00072 #define B_PERIPHERAL 2 00073 #define B_WAIT_ACON 3 00074 #define B_HOST 4 00075 #define B_END_HNP_SUSPEND 5 00076 00080 extern U8 otg_device_sessions; 00081 extern U8 otg_b_device_state; 00082 extern U8 sof_seen_in_session; 00083 00085 #define Start_session_with_srp() (otg_device_sessions |= 0x01) 00086 #define End_session_with_srp() (otg_device_sessions &= ~0x01) 00087 #define Is_session_started_with_srp() (((otg_device_sessions&0x01) != 0) ? TRUE : FALSE) 00088 00090 #define Srp_sent_and_waiting_answer() (otg_device_sessions |= 0x02) 00091 #define Ack_srp_sent_and_answer() (otg_device_sessions &= ~0x02) 00092 #define Is_srp_sent_and_waiting_answer() (((otg_device_sessions&0x02) != 0) ? TRUE : FALSE) 00093 00096 #define TB_SRP_FAIL_MIN 0x0A28 00097 extern U16 otg_tb_srp_cpt; 00098 #define Init_tb_srp_counter() (otg_tb_srp_cpt = 0) 00099 #define Is_tb_srp_counter_overflow() ((otg_tb_srp_cpt > TB_SRP_FAIL_MIN) ? TRUE : FALSE) 00100 00101 00114 void usb_device_task_init (void); 00115 00129 void usb_start_device (void); 00130 00141 void usb_device_task (void); 00142 00144 00145 #endif /* _USB_DEVICE_TASK_H_ */ 00146