Input

/drivers/peripheral/input
├── hal                # input模块的hal层代码
│   └── include       # input模块hal层内部的头文件
│   └── src           # input模块hal层代码的具体实现
├── interfaces         # input模块对上层服务提供的驱动能力接口
│   └── include       # input模块对外提供的接口定义
├── test               # input模块的测试代码
│   └── unittest      # input模块的单元测试代码

#include "input_manager.h"
#define DEV_INDEX 1

IInputInterface *g_inputInterface;
InputReportEventCb g_callback;

/* 定义数据上报的回调函数 */
static void ReportEventPkgCallback(const EventPackage **pkgs, uint32_t count)
{
    if (pkgs == NULL || count > MAX_PKG_NUM) {
        return;
    }
    for (uint32_t i = 0; i < count; i++) {
        HDF_LOGI("%s: pkgs[%d] = 0x%x, 0x%x, %d", __func__, i, pkgs[i]->type, pkgs[i]->code, pkgs[i]->value);
    }
}

int InputServiceSample(void)
{
    uint32_t devType = INIT_DEFAULT_VALUE;

    /* 获取Input驱动能力接口 */
    int ret = GetInputInterface(&g_inputInterface);
    if (ret != INPUT_SUCCESS) {
        HDF_LOGE("%s: get input interfaces failed, ret = %d", __func__, ret);
        return ret;
    }

    INPUT_CHECK_NULL_POINTER(g_inputInterface, INPUT_NULL_PTR);
    INPUT_CHECK_NULL_POINTER(g_inputInterface->iInputManager, INPUT_NULL_PTR);
    /* 打开特定的input设备 */
    ret = g_inputInterface->iInputManager->OpenInputDevice(DEV_INDEX);
    if (ret) {
        HDF_LOGE("%s: open input device failed, ret = %d", __func__, ret);
 	return ret;
    }

    INPUT_CHECK_NULL_POINTER(g_inputInterface->iInputController, INPUT_NULL_PTR);
    /* 获取对应input设备的类型 */
    ret = g_inputInterface->iInputController->GetDeviceType(DEV_INDEX, &devType);
    if (ret) {
        HDF_LOGE("%s: get device type failed, ret: %d", __FUNCTION__, ret);
        return ret;
    }
    HDF_LOGI("%s: device1's type is %u\n", __FUNCTION__, devType);

    /* 给特定的input设备注册数据上报回调函数 */
    g_callback.ReportEventPkgCallback = ReportEventPkgCallback;
    INPUT_CHECK_NULL_POINTER(g_inputInterface->iInputReporter, INPUT_NULL_PTR);
    ret  = g_inputInterface->iInputReporter->RegisterReportCallback(DEV_INDEX, &g_callback);
    if (ret) {
        HDF_LOGE("%s: register callback failed, ret: %d", __FUNCTION__, ret);
	return ret;
    }
    HDF_LOGI("%s: wait 10s for testing, pls touch the panel now", __FUNCTION__);
    OsalMSleep(KEEP_ALIVE_TIME_MS);

    /* 注销特定input设备上的回调函数 */
    ret  = g_inputInterface->iInputReporter->UnregisterReportCallback(DEV_INDEX);
    if (ret) {
        HDF_LOGE("%s: unregister callback failed, ret: %d", __FUNCTION__, ret);
        return ret;
    }

    /* 关闭特定的input设备 */
    ret = g_inputInterface->iInputManager->CloseInputDevice(DEV_INDEX);
    if (ret) {
        HDF_LOGE("%s: close device failed, ret: %d", __FUNCTION__, ret);
	return ret;
    }
    return 0;
}