move old host example to obsolete
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hathach
181
examples/obsolete/host/src/mouse_host_app.c
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181
examples/obsolete/host/src/mouse_host_app.c
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/**************************************************************************/
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/*!
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@file mouse_host_app.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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#include "mouse_host_app.h"
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#include "app_os_prio.h"
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#if TUSB_CFG_HOST_HID_MOUSE
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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#define QUEUE_MOUSE_REPORT_DEPTH 4
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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static osal_queue_t queue_mouse_hdl;
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TUSB_CFG_ATTR_USBRAM static hid_mouse_report_t usb_mouse_report;
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static inline void process_mouse_report(hid_mouse_report_t const * p_report);
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//--------------------------------------------------------------------+
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// tinyusb callbacks
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//--------------------------------------------------------------------+
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void tuh_hid_mouse_mounted_cb(uint8_t dev_addr)
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{
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// application set-up
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printf("\na Mouse device (address %d) is mounted\n", dev_addr);
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osal_queue_flush(queue_mouse_hdl);
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(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report); // first report
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}
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void tuh_hid_mouse_unmounted_cb(uint8_t dev_addr)
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{
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// application tear-down
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printf("\na Mouse device (address %d) is unmounted\n", dev_addr);
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}
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// invoked ISR context
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void tuh_hid_mouse_isr(uint8_t dev_addr, tusb_event_t event)
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{
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switch(event)
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{
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case TUSB_EVENT_XFER_COMPLETE:
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osal_queue_send(queue_mouse_hdl, &usb_mouse_report);
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(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report);
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break;
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case TUSB_EVENT_XFER_ERROR:
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(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report); // ignore & continue
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break;
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default :
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break;
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}
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}
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//--------------------------------------------------------------------+
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// APPLICATION CODE
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// NOTICE: MOUSE REPORT IS NOT CORRECT UNTIL A DECENT HID PARSER IS
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// IMPLEMENTED, MEANWHILE IT CAN MISS DISPLAY BUTTONS OR X,Y etc
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//--------------------------------------------------------------------+
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void mouse_host_app_init(void)
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{
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memclr_(&usb_mouse_report, sizeof(hid_mouse_report_t));
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queue_mouse_hdl = osal_queue_create( QUEUE_MOUSE_REPORT_DEPTH, sizeof(hid_mouse_report_t) );
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ASSERT_PTR( queue_mouse_hdl, VOID_RETURN);
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VERIFY( osal_task_create(mouse_host_app_task, "mouse", 128, NULL, MOUSE_APP_TASK_PRIO), );
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}
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//------------- main task -------------//
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void mouse_host_app_task(void* param)
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{
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(void) param;
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OSAL_TASK_BEGIN
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tusb_error_t error;
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hid_mouse_report_t mouse_report;
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osal_queue_receive(queue_mouse_hdl, &mouse_report, OSAL_TIMEOUT_WAIT_FOREVER, &error);
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(void) error; // suppress compiler's warnings
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process_mouse_report(&mouse_report);
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OSAL_TASK_END
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}
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//--------------------------------------------------------------------+
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// HELPER
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//--------------------------------------------------------------------+
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void cursor_movement(int8_t x, int8_t y, int8_t wheel)
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{
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//------------- X -------------//
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if ( x < 0)
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{
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printf(ANSI_CURSOR_BACKWARD(%d), (-x)); // move left
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}else if ( x > 0)
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{
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printf(ANSI_CURSOR_FORWARD(%d), x); // move right
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}else { }
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//------------- Y -------------//
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if ( y < 0)
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{
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printf(ANSI_CURSOR_UP(%d), (-y)); // move up
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}else if ( y > 0)
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{
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printf(ANSI_CURSOR_DOWN(%d), y); // move down
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}else { }
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//------------- wheel -------------//
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if (wheel < 0)
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{
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printf(ANSI_SCROLL_UP(%d), (-wheel)); // scroll up
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}else if (wheel > 0)
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{
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printf(ANSI_SCROLL_DOWN(%d), wheel); // scroll down
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}else { }
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}
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static inline void process_mouse_report(hid_mouse_report_t const * p_report)
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{
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static hid_mouse_report_t prev_report = { 0, 0, 0, 0 };
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//------------- button state -------------//
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uint8_t button_changed_mask = p_report->buttons ^ prev_report.buttons;
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if ( button_changed_mask & p_report->buttons)
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{
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printf(" %c%c%c ",
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p_report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-',
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p_report->buttons & MOUSE_BUTTON_MIDDLE ? 'M' : '-',
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p_report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-');
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}
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//------------- cursor movement -------------//
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cursor_movement(p_report->x, p_report->y, p_report->wheel);
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}
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#endif
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