unsigned int IoTGpioInit(unsigned int id);

unsigned int IoTGpioSetDir(unsigned int id, IotGpioDir dir);

typedef enum {
    /** Input */
    IOT_GPIO_DIR_IN = 0,
    /** Output */
    IOT_GPIO_DIR_OUT
} IotGpioDir;

unsigned int IoTGpioSetOutputVal(unsigned int id, IotGpioValue val);

typedef enum {
    /** Low GPIO level */
    IOT_GPIO_VALUE0 = 0,
    /** High GPIO level */
    IOT_GPIO_VALUE1
} IotGpioValue;

unsigned int IoTGpioDeinit(unsigned int id);

unsigned int IoTGpioGetOutputVal(unsigned int id, IotGpioValue *val);

unsigned int IoTGpioRegisterIsrFunc(unsigned int id, IotGpioIntType intType, IotGpioIntPolarity intPolarity,
                                    GpioIsrCallbackFunc func, char *arg);

typedef enum {
    /** Level-sensitive interrupt */
    IOT_INT_TYPE_LEVEL = 0,
    /** Edge-sensitive interrupt */
    IOT_INT_TYPE_EDGE
} IotGpioIntType;

typedef enum {
    /** Interrupt at a low level or falling edge */
    IOT_GPIO_EDGE_FALL_LEVEL_LOW = 0,
    /** Interrupt at a high level or rising edge */
    IOT_GPIO_EDGE_RISE_LEVEL_HIGH
} IotGpioIntPolarity;

unsigned int IoTGpioUnregisterIsrFunc(unsigned int id);

hi_u32 hi_io_set_func(hi_io_name id, hi_u8 val);

typedef enum {
    HI_IO_NAME_GPIO_0,     /**< GPIO0 */
    HI_IO_NAME_GPIO_1,     /**< GPIO1 */
    HI_IO_NAME_GPIO_2,     /**< GPIO2 */
    HI_IO_NAME_GPIO_3,     /**< GPIO3 */
    HI_IO_NAME_GPIO_4,     /**< GPIO4 */
    HI_IO_NAME_GPIO_5,     /**< GPIO5 */
    HI_IO_NAME_GPIO_6,     /**< GPIO6 */
    HI_IO_NAME_GPIO_7,     /**< GPIO7 */
    HI_IO_NAME_GPIO_8,     /**< GPIO8 */
    HI_IO_NAME_GPIO_9,     /**< GPIO9 */
    HI_IO_NAME_GPIO_10,    /**< GPIO10 */
    HI_IO_NAME_GPIO_11,    /**< GPIO11 */
    HI_IO_NAME_GPIO_12,    /**< GPIO12 */
    HI_IO_NAME_GPIO_13,    /**< GPIO13 */
    HI_IO_NAME_GPIO_14,    /**< GPIO14 */
    HI_IO_NAME_SFC_CSN,    /**< SFC_CSN */
    HI_IO_NAME_SFC_IO1,    /**< SFC_IO1 */
    HI_IO_NAME_SFC_IO2,    /**< SFC_IO2 */
    HI_IO_NAME_SFC_IO0,    /**< SFC_IO0 */
    HI_IO_NAME_SFC_CLK,    /**< SFC_CLK */
    HI_IO_NAME_SFC_IO3,    /**< SFC_IO3 */
    HI_IO_NAME_MAX,
} hi_io_name;

typedef unsigned char           hi_u8;

hi_u32 hi_io_set_pull(hi_io_name id, hi_io_pull val);

typedef enum {
    HI_IO_PULL_NONE,    /**< Disabled.CNcomment:無拉CNend */
    HI_IO_PULL_UP,      /**< Pull-up enabled.CNcomment:上拉CNend */
    HI_IO_PULL_DOWN,    /**< Pull-down enabled.CNcomment:下拉CNend */
    HI_IO_PULL_MAX,     /**< Invalid.CNcomment:無效值CNend */
} hi_io_pull;

// C語言標(biāo)準(zhǔn)庫
#include <stdio.h>
// 初始化庫
#include "ohos_init.h"
// 內(nèi)核編程標(biāo)準(zhǔn)接口
#include "cmsis_os2.h"
// IoT接口 GPIO
#include "iot_gpio.h"
// 海思SDK IO
#include "hi_io.h"

// 定義引腳的編號(hào)
#define LED_GPIO 9
#define BUTTON_GPIO 5

// 定義ledPin（電平）低電平led點(diǎn)亮，高電平led熄滅，高低電平的定義在之前的api中已經(jīng)介紹過了，是一個(gè)枚舉類型。
static IotGpioValue ledPin = IOT_GPIO_VALUE0;

//GPIO5的中斷處理函數(shù)，當(dāng)我們點(diǎn)擊user按鈕時(shí)，系統(tǒng)的內(nèi)核就會(huì)暫停手頭的工作來執(zhí)行我們這里的中斷函數(shù)。
static void ButtonPressed(char* atgs){
    // 我們的業(yè)務(wù)邏輯是讓led熄滅點(diǎn)亮熄滅點(diǎn)亮，因此只需要修改上方我們定義的ledPin值即可
    if(ledPin == IOT_GPIO_VALUE0){
        ledPin = IOT_GPIO_VALUE1;
    } else {
        ledPin = IOT_GPIO_VALUE0;
    }
    /**
     * 當(dāng)然看過源碼的你也可以簡寫成：
     * ledPin = !ledPin;
    */
}

// 主函數(shù)
static void GpioInitMain(void){
    // 在主函數(shù)中我們通常完成一些GPIO的注冊(cè)和設(shè)置，主要就是用一些介紹給大家的API即可

    // GPIO初始化 ——> IoTGpioInit 接口
    IoTGpioInit(LED_GPIO);
    IoTGpioInit(BUTTON_GPIO);

    // 設(shè)置引腳的功能，因?yàn)閔i3861的引腳數(shù)少，一個(gè)引腳上集成了很多功能，需要我們手動(dòng)設(shè)置，選擇其中的一項(xiàng)功能
    hi_io_set_func(LED_GPIO, HI_IO_FUNC_GPIO_9_GPIO);
    hi_io_set_func(BUTTON_GPIO, HI_IO_FUNC_GPIO_5_GPIO);

    // 設(shè)置GPIO的輸入輸出模式 led為輸出模式，button為輸入模式
    IoTGpioSetDir(LED_GPIO, IOT_GPIO_DIR_OUT);
    IoTGpioSetDir(BUTTON_GPIO, IOT_GPIO_DIR_IN);

    // 設(shè)置GPIO5為上拉模式
    hi_io_set_pull(BUTTON_GPIO, HI_IO_PULL_UP);

    // 注冊(cè)中斷函數(shù)
    IoTGpioRegisterIsrFunc(BUTTON_GPIO, IOT_INT_TYPE_EDGE, IOT_GPIO_EDGE_FALL_LEVEL_LOW, ButtonPressed, NULL);

    // 循環(huán)設(shè)置led的電平
    while(1){
        IoTGpioSetOutputVal(LED_GPIO, ledPin);
        osDelay(10);
    }
}

// 測試入口
static void GpioTest(void){
    // 創(chuàng)建線程，大家還記得怎么創(chuàng)建的嗎
    osThreadAttr_t attr = {"GpioInitMain", 0, NULL, 0, NULL, 1024, osPriorityNormal, 0, 0};
    osThreadNew((osThreadFunc_t)GpioInitMain, NULL, &attr);
}

APP_FEATURE_INIT(GpioTest);

static_library("led_gpio_demo"){
    sources = [
        "ledGpio.c"
    ]
    include_dirs = [
        "http://commonlibrary/utils_lite/include/",
        "http://device/soc/hisilicon/hi3861v100/hi3861_adapter/kal/cmsis",
        "http://base/iothardware/peripheral/interfaces/inner_api",
        "http://device/soc/hisilicon/hi3861v100/sdk_liteos/include/"
    ]
}

unsigned int IoTPwmInit(unsigned int port);

unsigned int IoTPwmStart(unsigned int port, unsigned short duty, unsigned int freq);

unsigned int IoTPwmStop(unsigned int port);

#include <stdio.h>
#include "ohos_init.h"
#include "cmsis_os2.h"
#include "hi_io.h"
#include "iot_gpio.h"
// pwm接口
#include "iot_pwm.h"
#include "hi_pwm.h"

#define BUTTON_GPIO 8
#define BEE_GPIO 9

static int flag = 0;

// GPIO8中斷函數(shù)
static void ButtonPressed(char* atgs){
    // 業(yè)務(wù)邏輯是讓蜂鳴器響三秒
    if(flag == 0){
        flag = 1;
    }
}

// 主線程函數(shù)
static void PwmInitMain(void){
    // 初始化GPIO模塊
    IoTGpioInit(BUTTON_GPIO);
    IoTGpioInit(BEE_GPIO);

    // 設(shè)置引腳功能
    hi_io_set_func(BEE_GPIO, HI_IO_FUNC_GPIO_9_PWM0_OUT);
    hi_io_set_func(BUTTON_GPIO, HI_IO_FUNC_GPIO_8_GPIO);

    // 設(shè)置GPIO輸出模式
    IoTGpioSetDir(BEE_GPIO, IOT_GPIO_DIR_OUT);
    IoTGpioSetDir(BUTTON_GPIO, IOT_GPIO_DIR_IN);

    // 設(shè)置引腳上拉
    hi_io_set_pull(BUTTON_GPIO, HI_IO_PULL_UP);

    // 注冊(cè)中斷函數(shù)
    IoTGpioRegisterIsrFunc(BUTTON_GPIO, IOT_INT_TYPE_EDGE, IOT_GPIO_EDGE_FALL_LEVEL_LOW, ButtonPressed, NULL);

    // 循環(huán)監(jiān)聽flag，當(dāng)按鈕被按下時(shí)，flag會(huì)置為1，蜂鳴器工作3秒
    while(1){

        if(flag){
            // 初始化PWM模塊
            IoTPwmInit(HI_PWM_PORT_PWM0);

            // 設(shè)置信號(hào)輸出， 端口，占空比，頻率
            IoTPwmStart(HI_PWM_PORT_PWM0, 50, 4000);

            // 鳴3秒
            osDelay(300);

            // 停止信號(hào)輸出
            IoTPwmStop(HI_PWM_PORT_PWM0);
            flag = 0;
        }
        osDelay(100);
    }
}

// 測試入口
static void PwmTest(void){
    osThreadAttr_t attr = {"GpioInitMain", 0, NULL, 0, NULL, 1024, osPriorityNormal, 0, 0};
    osThreadNew((osThreadFunc_t)PwmInitMain, NULL, &attr);
}

APP_FEATURE_INIT(PwmTest);

static_library("pwm_out_demo"){
    sources = [
        "pwm.c"
    ]
    include_dirs = [
        "http://commonlibrary/utils_lite/include/",
        "http://device/soc/hisilicon/hi3861v100/hi3861_adapter/kal/cmsis",
        "http://base/iothardware/peripheral/interfaces/inner_api",
        "http://device/soc/hisilicon/hi3861v100/sdk_liteos/include/"
    ]
}

#include <stdio.h>
#include "ohos_init.h"
#include "cmsis_os2.h"
#include "hi_io.h"
#include "iot_gpio.h"

#define BUTTON_GPIO 8
#define RED_GPIO 10
#define GREEN_GPIO 11
#define YELLOW_GPIO 12

// 每個(gè)燈的引腳編號(hào)
static int lights[3] = {RED_GPIO, GREEN_GPIO, YELLOW_GPIO};
// 每個(gè)燈的狀態(tài)
static int lightsStauts[3] = {0, 0, 0};
// 燈的索引
static int lightsIndex = 0;

// 中斷函數(shù)
static void ButtonPress(char *args){
    // 點(diǎn)擊按鈕，要能夠切換紅綠燈，修改燈的狀態(tài)數(shù)組即可
    for(unsigned int i = 0; i < 3; i++){
        if(i == lightsIndex){
            lightsStauts[i] = 1;
        } else {
            lightsStauts[i] = 0;
        }
    }
    lightsIndex++;
    if(lightsIndex >= 3){
        lightsIndex = 0;
    }
}

// 主函數(shù)
static void TrafficInitMain(void){
    // GPIO初始化
    IoTGpioInit(BUTTON_GPIO);
    IoTGpioInit(RED_GPIO);
    IoTGpioInit(GREEN_GPIO);
    IoTGpioInit(YELLOW_GPIO);

    // GPIO功能設(shè)置
    hi_io_set_func(BUTTON_GPIO, HI_IO_FUNC_GPIO_8_GPIO);
    hi_io_set_func(RED_GPIO, HI_IO_FUNC_GPIO_10_GPIO);
    hi_io_set_func(GREEN_GPIO, HI_IO_FUNC_GPIO_11_GPIO);
    hi_io_set_func(YELLOW_GPIO, HI_IO_FUNC_GPIO_12_GPIO);
    
    // PGPIO輸入輸出設(shè)置
    IoTGpioSetDir(BUTTON_GPIO, IOT_GPIO_DIR_IN);
    IoTGpioSetDir(RED_GPIO, IOT_GPIO_DIR_OUT);
    IoTGpioSetDir(GREEN_GPIO, IOT_GPIO_DIR_OUT);
    IoTGpioSetDir(YELLOW_GPIO, IOT_GPIO_DIR_OUT);

    // 引腳上拉
    hi_io_set_pull(BUTTON_GPIO, HI_IO_PULL_UP);

    // 中斷回調(diào)函數(shù)注冊(cè)
    IoTGpioRegisterIsrFunc(BUTTON_GPIO, IOT_INT_TYPE_EDGE, IOT_GPIO_EDGE_FALL_LEVEL_LOW, ButtonPress, NULL);
   
   while(1){
        // 設(shè)置輸出電平，即可控制燈的點(diǎn)亮熄滅，其實(shí)和之前控制led一樣，只不過這次一下控制3個(gè)，用數(shù)組而已
        for(unsigned int i = 0; i < 3; i++){
            IoTGpioSetOutputVal(lights[i], lightsStauts[i]);
        }
        osDelay(100);
   }
}

// 測試入口
static void TrafficTest(void){
    osThreadAttr_t attr = {"TrafficInitMain", 0, NULL, 0, NULL, 1024, osPriorityNormal, 0, 0};
    osThreadNew((osThreadFunc_t)TrafficInitMain, NULL, &attr);
}

APP_FEATURE_INIT(TrafficTest);

static_library("traffic_demo"){
    sources = [
        "traffic.c"
    ]
    include_dirs = [
        "http://commonlibrary/utils_lite/include/",
        "http://device/soc/hisilicon/hi3861v100/hi3861_adapter/kal/cmsis",
        "http://base/iothardware/peripheral/interfaces/inner_api",
        "http://device/soc/hisilicon/hi3861v100/sdk_liteos/include/"
    ]
}