114 lines
4.1 KiB
C
114 lines
4.1 KiB
C
/*
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* hid_host.c
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*
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* Created on: Dec 20, 2012
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* Author: hathach
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*/
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/*
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* Software License Agreement (BSD License)
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* Copyright (c) 2013, hathach (tinyusb.net)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the tiny usb stack.
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*/
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#include "tusb_option.h"
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#if (MODE_HOST_SUPPORTED && defined HOST_CLASS_HID)
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#define _TINY_USB_SOURCE_FILE_
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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#include "common/common.h"
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#include "hid_host.h"
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#if TUSB_CFG_HOST_HID_KEYBOARD
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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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STATIC_ hidh_keyboard_info_t keyboard_data[TUSB_CFG_HOST_DEVICE_MAX]; // does not have addr0, index = dev_address-1
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//--------------------------------------------------------------------+
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// PUBLIC API (Parameter Verification is required)
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//--------------------------------------------------------------------+
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tusb_error_t tusbh_hid_keyboard_get(uint8_t const dev_addr, uint8_t instance_num, tusb_keyboard_report_t * const report)
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{
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//------------- parameters validation -------------//
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ASSERT_INT(TUSB_DEVICE_STATE_CONFIGURED, tusbh_device_get_state(dev_addr), TUSB_ERROR_DEVICE_NOT_READY);
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ASSERT_PTR(report, TUSB_ERROR_INVALID_PARA);
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ASSERT(instance_num < TUSB_CFG_HOST_HID_KEYBOARD_NO_INSTANCES_PER_DEVICE, TUSB_ERROR_INVALID_PARA);
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keyboard_interface_t *p_kbd;
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p_kbd = &keyboard_data[dev_addr-1].instance[instance_num];
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// TODO abtract class support for device
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ASSERT(0 != p_kbd->pipe_in.dev_addr, TUSB_ERROR_CLASS_DEVICE_DONT_SUPPORT);
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// TODO abtract to use hidh service
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ASSERT_STATUS( hcd_pipe_xfer(p_kbd->pipe_in, report, p_kbd->report_size, 1) ) ;
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return TUSB_ERROR_NONE;
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}
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uint8_t tusbh_hid_keyboard_no_instances(uint8_t const dev_addr)
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{
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ASSERT(tusbh_device_is_configured(dev_addr), 0);
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return keyboard_data[dev_addr-1].instance_count;
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}
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//--------------------------------------------------------------------+
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// CLASS-USBD API (don't require to verify parameters)
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//--------------------------------------------------------------------+
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void hidh_init(void)
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{
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#if TUSB_CFG_HOST_HID_KEYBOARD
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hidh_keyboard_init();
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#endif
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}
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void hidh_keyboard_init(void)
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{
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memclr_(&keyboard_data, sizeof(hidh_keyboard_info_t)*TUSB_CFG_HOST_DEVICE_MAX);
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}
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tusb_error_t hidh_keyboard_install(uint8_t const dev_addr, uint8_t const *descriptor)
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{
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keyboard_data[dev_addr-1].instance_count++;
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return TUSB_ERROR_NONE;
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}
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#endif
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#endif
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