这是opensource/interfaces/nfc/1.1/INqNfc.hal ：/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package vendor.nxp.hardware.nfc@1.1;
import @1.0::INqNfc;
/*
* Addition of new functions
*/
interface INqNfc extends @1.0::INqNfc {
/*
* Returns the NFC HW chip-id present in the device
*/
getNfcChipId() generates (string nq_chipid);
/*
* Returns the NFC Firmware version of the device
*/
getNfcFirmwareVersion() generates (string nq_fw_ver);
};
这是opensource/interfaces/nfc/1.0/INqNfc.hal ：/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package vendor.nxp.hardware.nfc@1.0;
interface INqNfc {
/*
* Performs an General Input Output operations.
*
* Based on the ioctlType, input data bytes are processed and
* Output data bytes are generated.
*
* @return output data as stream of bytes
*/
@callflow(next={"ioctl", "write", "prediscover", "coreInitialized", "close", "powerCycle", "controlGranted"})
ioctl(uint64_t ioctlType, NfcData inputData) generates(NfcData outputData);
};
这是opensource/interfaces/nfc/1.1/Android.bp // This file is autogenerated by hidl-gen -Landroidbp.
hidl_interface {
name: "vendor.nxp.hardware.nfc@1.1",
root: "vendor.nxp.hardware.nfc",
system_ext_specific: true,
visibility: [
"//packages/modules/Nfc",
"//system/tools/hidl/...",
],
srcs: [
"types.hal",
"INqNfc.hal",
],
interfaces: [
"android.hidl.base@1.0",
"vendor.nxp.hardware.nfc@1.0",
],
gen_java: true,
}
这是opensource/interfaces/nfc/1.0/Android.bp ：// This file is autogenerated by hidl-gen -Landroidbp.
hidl_interface {
name: "vendor.nxp.hardware.nfc@1.0",
root: "vendor.nxp.hardware.nfc",
system_ext_specific: true,
visibility: [
"//...",
],
srcs: [
"types.hal",
"INqNfc.hal",
],
interfaces: [
"android.hidl.base@1.0",
],
gen_java: true,
}
这是错误：[system]: error: packages/modules/Nfc/opensource/interfaces/nfc/1.1/Android.bp:3:1: module "vendor.nxp.hardware.nfc@1.1_genc++" (created by module "vendor.nxp.hardware.nfc@1.1_interface"): depends on //packages/modules/Nfc/opensource/interfaces/nfc/1.0:vendor.nxp.hardware.nfc@1.0_interface which is not visible to this module
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本文介绍了在Struts框架中，struts.xml文件内的元素配置顺序要求。若不遵循正确的顺序，将导致配置失败并出现异常。
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