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很多物联网设备没有人机界面,这些设备可以通过手机,手表,平板,电脑等来进行显示和操控,能够提升操作的便捷性和设备的智能化水平。手头有鸿蒙开发版,我的荣耀手机也刚升级了鸿蒙系统,刚好可以做一个手机控制的智能灯实验。
E53_SC1扩展板的BH1750传感器采集光照强度,通过I2C传给Hi3861,Hi3861作为TCP服务器,将光强和灯状态信息定时打包发给手机TCP客户端,手机接收后在屏幕显示,手机端开灯\关灯操作命令,通过TCP发送给服务端HI3861,解码后控制Gpio 7点亮或关闭LED灯。
static void E53_SC1_INT_IO_Init(void)
{
IoTGpioInit(7);
IoTGpioSetFunc(7,IOT_GPIO_FUNC_GPIO_7_GPIO);
IoTGpioSetDir(7, IOT_GPIO_DIR_OUT);//设置GPIO_7为输出模式
IoTGpioInit(0);
IoTGpioSetFunc(0, IOT_GPIO_FUNC_GPIO_0_I2C1_SDA); // GPIO_0复用为I2C1_SDA
IoTGpioInit(1);
IoTGpioSetFunc(1, IOT_GPIO_FUNC_GPIO_1_I2C1_SCL); // GPIO_1复用为I2C1_SCL
IoTI2cInit(IOT_I2C_IDX_1, 400000); /* baudrate: 400kbps */
IoTGpioInit(11);
IoTGpioSetFunc(11,IOT_GPIO_FUNC_GPIO_11_GPIO);
IoTGpioSetDir(11, IOT_GPIO_DIR_IN); //设置GPIO_11为输入模式,按键F1本地开灯
IoTGpioSetPull(11, IOT_GPIO_PULL_UP);
IoTGpioRegisterIsrFunc(11, IOT_INT_TYPE_EDGE, IOT_GPIO_EDGE_FALL_LEVEL_LOW, F1_Pressed, NULL);
IoTGpioInit(12);
IoTGpioSetFunc(12,IOT_GPIO_FUNC_GPIO_12_GPIO);
IoTGpioSetDir(12, IOT_GPIO_DIR_IN); //设置GPIO_12为输入模式,按键F2本地关灯
IoTGpioSetPull(12, IOT_GPIO_PULL_UP);
IoTGpioRegisterIsrFunc(12, IOT_INT_TYPE_EDGE, IOT_GPIO_EDGE_FALL_LEVEL_LOW, F2_Pressed, NULL);
}
static void deal_report_msg(report_t *report)
{
char *msg;
uint8_t ret;
profile_service_t service;
profile_kv_t lux;
profile_kv_t light;
//配置要发送的数据
service.event_time = NULL;
service.service_id = "Smart_Light";
service.service_property = &lux;
service.nxt = NULL;
lux.key = "Lux";
lux.value = &report->lux;
lux.type = PROFILE_VALUE_INT;
lux.nxt = &light;
light.key = "Light";
light.value = light_status ? "ON" : "OFF";
light.type = PROFILE_VALUE_STRING;
light.nxt = NULL;
msg = profile_package_propertyreport(&service);
if (send(new_fd, msg, strlen(msg), 0) < 0)
{
printf("send error\r\n");
close(new_fd);
}
return;
}
int deal_command_task(void)
{
ssize_t ret;
struct sockaddr_in client_sock;
int sin_size;
while (1)
{
printf("start accept\n");
sin_size = sizeof(struct sockaddr_in);
if ((new_fd = accept(sock_fd, (struct sockaddr *)&client_sock, (socklen_t *)&sin_size)) == -1)
{
perror("accept");
}
printf("accept succeed\n");
is_accepted = 1;
while (1)
{
bzero(recvbuf, sizeof(recvbuf));
if (recv(new_fd, recvbuf, sizeof(recvbuf), 0) < 0)
{
printf("recv error\r\n");
close(new_fd);
is_accepted = 0;
break;
}
else
{
if (NULL != strstr(recvbuf, "Light"))
{
//开启灯
if (NULL != strstr(recvbuf, "ON"))
{
Light_StatusSet(ON);
light_status = 1;
printf("Light On!\r\n");
}
//关闭灯
else if (NULL != strstr(recvbuf, "OFF"))
{
Light_StatusSet(OFF);
light_status = 0;
printf("Light Off!\r\n");
}
}
}
}
}
}
data: {
title: '鸿联-智能灯',
ipaddress:'192.168.',
port:"5678",
send_value:0,
startflag: false,
client_statu: false,
subscribe_statu: false,
property:[
{
"name":"光照",
"propertyName":"Lux",
"unit":" lux"
}
],
command:[
{
"name":"庭院灯",
"paraName":"Light",
"type":"string"
}
],
properties:{
"Lux":0,
"Light":""
}
},
实验完成,后续将不断改进。