zigbee光罩传感器代码

以下是一个基于 Zigbee 的光照传感器的代码示例:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "xbee.h"
#include "xbee/atcmd.h"

#define PAN_ID 0x1234
#define CHANNEL 0x0F
#define SENSOR_ADDR 0x0000
#define COORD_ADDR 0x0001

#define CMD_ON "ON"
#define CMD_OFF "OFF"

#define CMD_AT_REQ "AT"
#define CMD_AT_RESP "OK"

#define CMD_ATDH_REQ "ATDH"
#define CMD_ATDH_RESP "OK"

#define CMD_ATDL_REQ "ATDL"
#define CMD_ATDL_RESP "OK"

#define CMD_ATID_REQ "ATID"
#define CMD_ATID_RESP "OK"

#define CMD_ATCH_REQ "ATCH"
#define CMD_ATCH_RESP "OK"

#define CMD_ATMY_REQ "ATMY"
#define CMD_ATMY_RESP "OK"

xbee_t xbee;
xbee_pkt_t pkt;
xbee_err ret;

void callback(xbee_t *xbee, const void FAR *data, const xbee_pkt_t FAR *pkt) {
    int8_t rssi;
    uint16_t src_addr;
    char buf[128];

    xbee_pkt_parse_data(pkt, &src_addr, &rssi);

    memcpy(buf, data, pkt->dataLen);
    buf[pkt->dataLen] = '\0';

    printf("Received data from 0x%04X:\n", src_addr);
    printf("%s\n", buf);
}

void send_command(char *cmd) {
    ret = xbee_pkt_send(xbee, SENSOR_ADDR, &pkt);
    if (ret != XBEE_ENONE) {
        fprintf(stderr, "Error sending packet: %d\n", ret);
        exit(EXIT_FAILURE);
    }
}

void send_on_command() {
    char cmd[128];
    sprintf(cmd, "%s %s", CMD_ON, "LIGHT");
    pkt.dataLen = strlen(cmd);
    memcpy(pkt.data, cmd, pkt.dataLen);
    send_command(cmd);
}

void send_off_command() {
    char cmd[128];
    sprintf(cmd, "%s %s", CMD_OFF, "LIGHT");
    pkt.dataLen = strlen(cmd);
    memcpy(pkt.data, cmd, pkt.dataLen);
    send_command(cmd);
}

void set_at_cmd(char *cmd, char *resp, char *val) {
    xbee_atcmd_t atcmd;
    xbee_atcmd_resp_t atresp;

    xbee_atcmd_create(&atcmd, cmd, strlen(cmd));
    xbee_atcmd_set_param(&atcmd, val, strlen(val));

    ret = xbee_atcmd_send(xbee, COORD_ADDR, &atcmd, &atresp);
    if (ret != XBEE_ENONE) {
        fprintf(stderr, "Error sending AT command: %d\n", ret);
        exit(EXIT_FAILURE);
    }

    if (strncmp(atresp.data, resp, strlen(resp)) != 0) {
        fprintf(stderr, "Unexpected response from AT command: %s\n", atresp.data);
        exit(EXIT_FAILURE);
    }
}

int main() {
    char port[] = "COM1";
    xbee_serial_t serial;
    xbee_conSettings_t conSettings;

    xbee_pkt_init(&pkt, 128, 0);

    xbee_serial_open(&serial, port, 9600);
    xbee_conSettings(&conSettings, PAN_ID, CHANNEL);

    ret = xbee_init(&xbee, &serial, &conSettings);
    if (ret != XBEE_ENONE) {
        fprintf(stderr, "Error initializing XBee: %d\n", ret);
        exit(EXIT_FAILURE);
    }

    set_at_cmd(CMD_AT_REQ, CMD_AT_RESP, NULL);
    set_at_cmd(CMD_ATDH_REQ, CMD_ATDH_RESP, "0");
    set_at_cmd(CMD_ATDL_REQ, CMD_ATDL_RESP, "FFFF");
    set_at_cmd(CMD_ATID_REQ, CMD_ATID_RESP, "1234");
    set_at_cmd(CMD_ATCH_REQ, CMD_ATCH_RESP, "0F");
    set_at_cmd(CMD_ATMY_REQ, CMD_ATMY_RESP, "0001");

    xbee_register_handler(&xbee, callback);

    while (1) {
        send_on_command();
        sleep(1);
        send_off_command();
        sleep(1);
    }

    xbee_serial_close(&serial);

    return EXIT_SUCCESS;
}

这段代码是一个基本的 Zigbee 应用程序，可以通过 Zigbee 网络控制光照传感器的亮度。在这个示例中，通过与 Zigbee 协调器协商，确保所有节点都在同一个 PAN ID 和通信信道上。

在主循环中，程序发送 "ON LIGHT" 命令打开灯光，等待1秒，然后发送 "OFF LIGHT" 命令关闭灯光，等待1秒，然后重复此过程。当 Zigbee 协调器接收到这些命令时，它将它们传递给光照传感器，并相应地控制灯光的开关。

请注意，此示例仅作为参考实现。实际应用程序中可能需要进行更多的错误检查和异常处理。