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_DEVICE_TASK_H_ 00042 #define _USB_DEVICE_TASK_H_ 00043 00046 00047 //_____ I N C L U D E S ____________________________________________________ 00048 00049 00050 //_____ M A C R O S ________________________________________________________ 00051 00052 00053 //_____ D E C L A R A T I O N S ____________________________________________ 00054 00055 00061 extern bit usb_suspended; 00062 00063 00067 #define B_IDLE 0 00068 #define B_SRP_INIT 1 00069 #define B_PERIPHERAL 2 00070 #define B_WAIT_ACON 3 00071 #define B_HOST 4 00072 #define B_END_HNP_SUSPEND 5 00073 00077 extern U8 otg_device_sessions; 00078 extern U8 otg_b_device_state; 00079 extern U8 sof_seen_in_session; 00080 00082 #define Start_session_with_srp() (otg_device_sessions |= 0x01) 00083 #define End_session_with_srp() (otg_device_sessions &= ~0x01) 00084 #define Is_session_started_with_srp() (((otg_device_sessions&0x01) != 0) ? TRUE : FALSE) 00085 00087 #define Srp_sent_and_waiting_answer() (otg_device_sessions |= 0x02) 00088 #define Ack_srp_sent_and_answer() (otg_device_sessions &= ~0x02) 00089 #define Is_srp_sent_and_waiting_answer() (((otg_device_sessions&0x02) != 0) ? TRUE : FALSE) 00090 00093 #define TB_SRP_FAIL_MIN 0x0A28 00094 extern U16 otg_tb_srp_cpt; 00095 #define Init_tb_srp_counter() (otg_tb_srp_cpt = 0) 00096 #define Is_tb_srp_counter_overflow() ((otg_tb_srp_cpt > TB_SRP_FAIL_MIN) ? TRUE : FALSE) 00097 00098 00111 void usb_device_task_init (void); 00112 00126 void usb_start_device (void); 00127 00138 void usb_device_task (void); 00139 00141 00142 #endif /* _USB_DEVICE_TASK_H_ */ 00143