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hidl: Convert IR HAL into a native binderized HAL

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Change-Id: I8ddae1ba36d5a9cc16f0937189ff250eff3e7935
This commit is contained in:
Demon 2017-09-20 09:08:07 +00:00 committed by Bruno Martins
parent 9fc994f184
commit 7ef308ad4a
7 changed files with 234 additions and 193 deletions
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25
consumerir/Android.mk
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# Copyright (C) 2013 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := consumerir.$(TARGET_BOARD_PLATFORM)
LOCAL_MODULE_RELATIVE_PATH := hw
LOCAL_SRC_FILES := consumerir.c
LOCAL_SHARED_LIBRARIES := liblog libcutils
LOCAL_MODULE_TAGS := optional
include $(BUILD_SHARED_LIBRARY)

168
consumerir/consumerir.c
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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "ConsumerIrLirc"
#include <errno.h>
#include <fcntl.h>
#include <malloc.h>
#include <string.h>
#include <stdlib.h>
#include <linux/lirc.h>
#include <cutils/log.h>
#include <cutils/properties.h>
#include <hardware/hardware.h>
#include <hardware/consumerir.h>
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
static const consumerir_freq_range_t consumerir_freqs[] = {
{.min = 30000, .max = 60000},
};
static int open_lircdev(void)
{
char value[PROPERTY_VALUE_MAX] = {'\0'};
property_get("ro.lirc.dev", value, "/dev/lirc0");
int fd = open(value, O_RDWR);
if (fd < 0) {
ALOGE("failed to open %s error %d", value, fd);
return fd;
}
return fd;
}
static int consumerir_transmit(struct consumerir_device *dev __unused,
int carrier_freq, const int pattern[], int pattern_len)
{
int total_time = 0;
long i;
int fd;
int rc;
char value[PROPERTY_VALUE_MAX] = {'\0'};
int duty_cycle;
fd = open_lircdev();
if (fd < 0) {
return fd;
}
rc = ioctl(fd, LIRC_SET_SEND_CARRIER, &carrier_freq);
if (rc < 0) {
ALOGE("failed to set carrier %d error %d", carrier_freq, rc);
goto out_close;
}
property_get("ro.lirc.duty_cycle", value, "33");
duty_cycle = atoi(value);
rc = ioctl(fd, LIRC_SET_SEND_DUTY_CYCLE, &duty_cycle);
if (rc < 0) {
ALOGE("failed to set duty cycle %d error %d", duty_cycle, rc);
goto out_close;
}
if (pattern_len&1) {
rc = write(fd, pattern, sizeof(*pattern)*pattern_len);
}
else {
rc = write(fd, pattern, sizeof(*pattern)*(pattern_len-1));
usleep(pattern[pattern_len-1]);
}
if (rc < 0) {
ALOGE("failed to write pattern %d error %d", pattern_len, rc);
goto out_close;
}
rc = 0;
out_close:
close(fd);
return rc;
}
static int consumerir_get_num_carrier_freqs(struct consumerir_device *dev __unused)
{
return ARRAY_SIZE(consumerir_freqs);
}
static int consumerir_get_carrier_freqs(struct consumerir_device *dev __unused,
size_t len, consumerir_freq_range_t *ranges)
{
size_t to_copy = ARRAY_SIZE(consumerir_freqs);
to_copy = len < to_copy ? len : to_copy;
memcpy(ranges, consumerir_freqs, to_copy * sizeof(consumerir_freq_range_t));
return to_copy;
}
static int consumerir_close(hw_device_t *dev)
{
free(dev);
return 0;
}
/*
* Generic device handling
*/
static int consumerir_open(const hw_module_t* module, const char* name,
hw_device_t** device)
{
if (strcmp(name, CONSUMERIR_TRANSMITTER) != 0) {
return -EINVAL;
}
if (device == NULL) {
ALOGE("NULL device on open");
return -EINVAL;
}
int lircfd = open_lircdev();
if (lircfd < 0) {
return lircfd;
}
close(lircfd);
consumerir_device_t *dev = malloc(sizeof(consumerir_device_t));
memset(dev, 0, sizeof(consumerir_device_t));
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->common.version = 0;
dev->common.module = (struct hw_module_t*) module;
dev->common.close = consumerir_close;
dev->transmit = consumerir_transmit;
dev->get_num_carrier_freqs = consumerir_get_num_carrier_freqs;
dev->get_carrier_freqs = consumerir_get_carrier_freqs;
*device = (hw_device_t*) dev;
return 0;
}
static struct hw_module_methods_t consumerir_module_methods = {
.open = consumerir_open,
};
consumerir_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = CONSUMERIR_MODULE_API_VERSION_1_0,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = CONSUMERIR_HARDWARE_MODULE_ID,
.name = "LIRC IR HAL",
.author = "Xiaomi Corporation",
.methods = &consumerir_module_methods,
},
};

32
hidl/consumerir/Android.bp Normal file
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//
// Copyright (C) 2017-2018 The LineageOS Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
cc_binary {
name: "android.hardware.ir@1.0-service.xiaomi",
relative_install_path: "hw",
defaults: ["hidl_defaults"],
init_rc: ["android.hardware.ir@1.0-service.xiaomi.rc"],
srcs: ["service.cpp", "ConsumerIr.cpp"],
shared_libs: [
"android.hardware.ir@1.0",
"libbase",
"libhardware",
"libhidlbase",
"libhidltransport",
"libhwbinder",
"libutils",
],
proprietary: true,
}

102
hidl/consumerir/ConsumerIr.cpp Normal file
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/*
* Copyright (C) 2017-2018 The LineageOS Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "ConsumerIrService"
#include <fcntl.h>
#include <linux/lirc.h>
#include <android-base/logging.h>
#include "ConsumerIr.h"
namespace android {
namespace hardware {
namespace ir {
namespace V1_0 {
namespace implementation {
#define LIRC_DEV_PATH "/dev/lirc0"
static const int dutyCycle = 33;
static hidl_vec<ConsumerIrFreqRange> rangeVec{
{.min = 30000, .max = 60000},
};
static int openLircDev() {
int fd = open(LIRC_DEV_PATH, O_RDWR);
if (fd < 0) {
LOG(ERROR) << "failed to open " << LIRC_DEV_PATH << ", error " << fd;
}
return fd;
}
// Methods from ::android::hardware::ir::V1_0::IConsumerIr follow.
Return<bool> ConsumerIr::transmit(int32_t carrierFreq, const hidl_vec<int32_t>& pattern) {
size_t entries = pattern.size();
int rc;
int lircFd;
lircFd = openLircDev();
if (lircFd < 0) {
return lircFd;
}
rc = ioctl(lircFd, LIRC_SET_SEND_CARRIER, &carrierFreq);
if (rc < 0) {
LOG(ERROR) << "failed to set carrier " << carrierFreq << ", error: " << errno;
goto out_close;
}
rc = ioctl(lircFd, LIRC_SET_SEND_DUTY_CYCLE, &dutyCycle);
if (rc < 0) {
LOG(ERROR) << "failed to set duty cycle " << dutyCycle << ", error: " << errno;
goto out_close;
}
if ((entries & 1) != 0) {
rc = write(lircFd, pattern.data(), sizeof(int32_t) * entries);
} else {
rc = write(lircFd, pattern.data(), sizeof(int32_t) * (entries - 1));
usleep(pattern[entries - 1]);
}
if (rc < 0) {
LOG(ERROR) << "failed to write pattern " << pattern.size() << ", error: " << errno;
goto out_close;
}
rc = 0;
out_close:
close(lircFd);
return rc == 0;
}
Return<void> ConsumerIr::getCarrierFreqs(getCarrierFreqs_cb _hidl_cb) {
_hidl_cb(true, rangeVec);
return Void();
}
} // namespace implementation
} // namespace V1_0
} // namespace ir
} // namespace hardware
} // namespace android

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hidl/consumerir/ConsumerIr.h Normal file
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/*
* Copyright (C) 2017-2018 The LineageOS Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HARDWARE_IR_V1_0_IR_H
#define ANDROID_HARDWARE_IR_V1_0_IR_H
#include <android/hardware/ir/1.0/IConsumerIr.h>
#include <hardware/consumerir.h>
#include <hidl/Status.h>
namespace android {
namespace hardware {
namespace ir {
namespace V1_0 {
namespace implementation {
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::hidl_vec;
using ::android::hardware::ir::V1_0::ConsumerIrFreqRange;
using ::android::hardware::ir::V1_0::IConsumerIr;
class ConsumerIr : public IConsumerIr {
// Methods from ::android::hardware::ir::V1_0::IConsumerIr follow.
Return<bool> transmit(int32_t carrierFreq, const hidl_vec<int32_t>& pattern) override;
Return<void> getCarrierFreqs(getCarrierFreqs_cb _hidl_cb) override;
};
} // namespace implementation
} // namespace V1_0
} // namespace ir
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_IR_V1_0_IR_H

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hidl/consumerir/android.hardware.ir@1.0-service.xiaomi.rc Normal file
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service ir-hal-1-0 /vendor/bin/hw/android.hardware.ir@1.0-service.xiaomi
class hal
user system
group system

48
hidl/consumerir/service.cpp Normal file
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/*
* Copyright (C) 2017-2018 The LineageOS Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "android.hardware.ir@1.0-service.xiaomi"
#include <android-base/logging.h>
#include <hidl/HidlTransportSupport.h>
#include "ConsumerIr.h"
// libhwbinder:
using android::hardware::configureRpcThreadpool;
using android::hardware::joinRpcThreadpool;
// Generated HIDL files
using android::hardware::ir::V1_0::IConsumerIr;
using android::hardware::ir::V1_0::implementation::ConsumerIr;
int main() {
android::sp<IConsumerIr> service = new ConsumerIr();
configureRpcThreadpool(1, true /*callerWillJoin*/);
android::status_t status = service->registerAsService();
if (status != android::OK) {
LOG(ERROR) << "Cannot register ConsumerIr HAL service";
return 1;
}
LOG(INFO) << "ConsumerIr HAL Ready.";
joinRpcThreadpool();
// Under normal cases, execution will not reach this line.
LOG(ERROR) << "ConsumerIr HAL failed to join thread pool.";
return 1;
}