ATMEL: host_mouse_task.c Source File

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# host_mouse_task.c

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    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 //_____  I N C L U D E S ___________________________________________________
    00045
    00046 #include "config.h"
    00047 #include "conf_usb.h"
    00048 #include "host_mouse_task.h"
    00049 #include "modules/usb/host_chap9/usb_host_task.h"
    00050 #include "modules/usb/host_chap9/usb_host_enum.h"
    00051 #include "lib_mcu/usb/usb_drv.h"
    00052
    00053 //_____ M A C R O S ________________________________________________________
    00054
    00055 #ifndef LOG_STR_CODE
    00056 #define LOG_STR_CODE(str)
    00057 #else
    00058 U8 code log_mouse_connect[]="Mouse Connected";
    00059 #endif
    00060
    00061 //_____ D E F I N I T I O N S ______________________________________________
    00062
    00063
    00064 //_____ D E C L A R A T I O N S ____________________________________________
    00065
    00066 U8  mouse_connected=0;
    00067
    00068 U8  pipe_mouse_in;
    00069
    00076 void host_mouse_task_init(void)
    00077 {
    00078    Leds_init();
    00079 }
    00080
    00086 void host_mouse_task(void)
    00087 {
    00088 U8 i;
    00089 S8 new_x,new_y;
    00090
    00091    //Test HID device connection
    00092    if(Is_host_ready())
    00093    {
    00094       if(Is_new_device_connection_event())   //Device connection
    00095       {
    00096             mouse_connected=0;
    00097             for(i=0;i<Get_nb_supported_interface();i++)
    00098             {
    00099                if(Get_class(i)==HID_CLASS && Get_protocol(i)==HID_PROTOCOL_MOUSE)
    00100                {
    00101                   mouse_connected=1;
    00102                   host_hid_set_idle();
    00103                   host_get_hid_repport_descriptor();
    00104                   LOG_STR_CODE(log_mouse_connect);
    00105                   PIPE_MOUSE_IN=host_get_hwd_pipe_nb(Get_ep_addr(i,0));
    00106                   Host_select_pipe(PIPE_MOUSE_IN);
    00107                   Host_continuous_in_mode();
    00108                   Host_unfreeze_pipe();
    00109                   break;
    00110                }
    00111             }
    00112       }
    00113       if(mouse_connected)
    00114       {
    00115          Host_select_pipe(PIPE_MOUSE_IN);
    00116          if(Is_host_in_received())
    00117          {
    00118             if(Is_host_stall()==FALSE)
    00119             {
    00120                i=Host_read_byte();
    00121                new_x=(S8)Host_read_byte();
    00122                new_y=(S8)Host_read_byte();
    00123
    00124                if(new_x==0)
    00125                { Led0_off(); Led1_off();}
    00126                else if(new_x>0)
    00127                {Led0_on(); Led1_off();}
    00128                else
    00129                { Led0_off(); Led1_on();}
    00130
    00131                if(new_y==0)
    00132                { Led2_off(); Led3_off();}
    00133                else if(new_y>0)
    00134                { Led2_on(); Led3_off();}
    00135                else
    00136                { Led2_off(); Led3_on();}
    00137             }
    00138             Host_ack_in_received(); Host_send_in();
    00139          }
    00140          if(Is_host_nak_received())
    00141          {
    00142             Host_ack_nak_received();
    00143             Led0_off(); Led1_off();
    00144             Led2_off(); Led3_off();
    00145          }
    00146       }
    00147    }
    00148    //Device disconnection...
    00149    if(Is_device_disconnection_event())
    00150    {
    00151       Leds_off();
    00152       mouse_connected=0;
    00153    }
    00154 }