159 lines
5.4 KiB
C
159 lines
5.4 KiB
C
/**************************************************************************/
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/*!
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@file mouse_device_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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#include "mouse_device_app.h"
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#if CFG_TUD_HID_MOUSE
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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#include "app_os_prio.h"
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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CFG_TUSB_ATTR_USBRAM hid_mouse_report_t mouse_report;
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//--------------------------------------------------------------------+
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// tinyusb callbacks
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//--------------------------------------------------------------------+
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void mouse_app_mount(uint8_t rhport)
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{
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}
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void mouse_app_umount(uint8_t rhport)
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{
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}
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void tud_hid_mouse_cb(uint8_t rhport, tusb_event_t event, uint32_t xferred_bytes)
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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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case TUSB_EVENT_XFER_ERROR:
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case TUSB_EVENT_XFER_STALLED:
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default: break;
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}
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}
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uint16_t tud_hid_mouse_get_report_cb(uint8_t rhport, hid_request_report_type_t report_type, void** pp_report, uint16_t requested_length)
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{
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if ( report_type != HID_REQUEST_REPORT_INPUT ) return 0; // not support other report type for this mouse demo
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(*pp_report) = &mouse_report;
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return requested_length;
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}
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void tud_hid_mouse_set_report_cb(uint8_t rhport, hid_request_report_type_t report_type, uint8_t report_data[], uint16_t length)
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{
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// mouse demo does not support set report --> do nothing
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}
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//--------------------------------------------------------------------+
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// APPLICATION CODE
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//--------------------------------------------------------------------+
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void mouse_app_init(void)
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{
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osal_task_create(mouse_app_task, "mouse", 128, NULL, MOUSE_APP_TASK_PRIO);
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}
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void mouse_app_subtask(void);
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void mouse_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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mouse_app_subtask();
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OSAL_TASK_END
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}
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void mouse_app_subtask(void)
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{
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OSAL_SUBTASK_BEGIN
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osal_task_delay(20);
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if ( tud_mounted() && !tud_hid_mouse_is_busy(0) )
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{
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static uint8_t prev_mouse_buttons = 0;
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enum {
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BUTTON_UP = 0, // map to button mask
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BUTTON_DOWN = 1,
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BUTTON_LEFT = 2,
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BUTTON_RIGHT = 3,
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BUTTON_CLICK_LEFT = 4,
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BUTTON_CLICK_RIGHT = 5,
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BUTTON_CLICK_MIDDLE = 6
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};
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enum { MOUSE_RESOLUTION = 5 };
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uint32_t button_mask = board_buttons();
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memclr_(&mouse_report, sizeof(hid_mouse_report_t));
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if ( BIT_TEST_(button_mask, BUTTON_UP ) ) mouse_report.y = -MOUSE_RESOLUTION;
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if ( BIT_TEST_(button_mask, BUTTON_DOWN ) ) mouse_report.y = MOUSE_RESOLUTION;
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if ( BIT_TEST_(button_mask, BUTTON_LEFT ) ) mouse_report.x = -MOUSE_RESOLUTION;
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if ( BIT_TEST_(button_mask, BUTTON_RIGHT ) ) mouse_report.x = MOUSE_RESOLUTION;
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if ( BIT_TEST_(button_mask, BUTTON_CLICK_LEFT ) ) mouse_report.buttons |= MOUSE_BUTTON_LEFT;
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if ( BIT_TEST_(button_mask, BUTTON_CLICK_RIGHT ) ) mouse_report.buttons |= MOUSE_BUTTON_RIGHT;
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if ( BIT_TEST_(button_mask, BUTTON_CLICK_MIDDLE ) ) mouse_report.buttons |= MOUSE_BUTTON_MIDDLE;
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if ( ! (prev_mouse_buttons == mouse_report.buttons && mouse_report.y == 0 && mouse_report.x == 0 && mouse_report.wheel == 0) )
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{ // send report if clicked buttons are changed or there is any movement x, y, wheel
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prev_mouse_buttons = mouse_report.buttons;
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tud_hid_mouse_send(0, &mouse_report);
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}
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}
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OSAL_SUBTASK_END
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}
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#endif
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