AliOS-Things--EMW3060--linkkitapp

windows10 环境下，编译完成之后下载到模块里面去：

一、编译信息

编译信息如下：

> Executing task: aos make linkkitapp@mk3060 <aos-cube version: 0.2.60
Check if required tools for mk3060 exist
Build AOS Now
TOOLCHAIN_PATH=D:/Output/AliOS/AliOS-Things/build/compiler/gcc-arm-none-eabi/Win32/bin/
Components: linkkitapp board_mk3060 moc108 vcall kernel_init auto_component linkkit_sdk iotx-hal netmgr framework libywss uOTA cjson cli armv5 newlib_stub rhino yloop kv alicrypto digest_algorithm net framework_runtime app_runtime libprov activation chip_code mbedtls hal log vfs irot vfs_device libkm libplat_gen
Skipping building bootloader due to \"total\" is not setMaking out/linkkitapp@mk3060/ld/mx108.ld
Compiling auto_component
Making out/linkkitapp@mk3060/libraries/auto_component.a
Making linkkitapp@mk3060.elfMaking linkkitapp@mk3060.bin
Making linkkitapp@mk3060.hexAOS MEMORY MAP
|=================================================================|
| MODULE                                   | ROM       | RAM      |
|=================================================================|
| newlib_stub                              | 296       | 0        |
| alicrypto                                | 40100     | 8784     |
| kv                                       | 2929      | 36       |
| libc_nano                                | 29062     | 464      |
| vcall                                    | 6013      | 4        |
| kernel_init                              | 1147      | 48       |
| rhino                                    | 14225     | 7721     |
| libplat_gen                              | 513       | 0        |
| framework                                | 240       | 12       |
| uOTA                                     | 13345     | 858      |
| vfs                                      | 1875      | 1209     |
| digest_algorithm                         | 224       | 0        |
| libgcc                                   | 6168      | 0        |
| linkkitapp                               | 19898     | 22       |
| activation                               | 2743      | 8776     |
| chip_code                                | 298       | 240      |
| libprov                                  | 624       | 0        |
| libywss                                  | 40256     | 1442     |
| yloop                                    | 1421      | 24       |
| board_mk3060                             | 598       | 24       |
| iotx-hal                                 | 7583      | 224      |
| moc108                                   | 346       | 32       |
| armv5                                    | 388       | 0        |
| netmgr                                   | 1823      | 246      |
| libmoc108                                | 165113    | 52761    |
| mbedtls                                  | 27953     | 76       |
| cjson                                    | 1958      | 20       |
| libiot_sdk                               | 373371    | 3172     |
| log                                      | 402       | 20       |
| net                                      | 46165     | 3676     |
| cli                                      | 5945      | 549      |
| hal                                      | 478       | 12       |
| *fill*                                   | 555       | 192      |
|=================================================================|
| TOTAL (bytes)                            | 814055    | 90644    |
|=================================================================|
870468
55a091ce758cbd91d263de6360df4b85
Build complete
Making .gdbinit

内存

ROM：0.81MB
RAM：90.644KB

模组	RAM	Flash
EMW3060	256KB	2MB

上电复位之后

enter low level!
mac fc:ee:e6: 8:6c:b7
leave low level!
app_init finished
start-----------hal
trace config close!!!
[000004]<V> aos framework init.
[000004]<V> IOTX_AWSS_START
awss version: smarthome-bd18d6d<DEBUG> [zconfig_init#2115] : awss lib smarthome-bd18d6dSoft_AP_start
chan 1
[1] ssid:CMCC-WEB, mac:5866ba6f6760, chn:1, auth:open, none, none, rssi:-236, adha:0
[2] ssid:CMCC, mac:5866ba6f6761, chn:1, auth:wpa2-8021x, aes, aes, rssi:-236, adha:0

由上可知，linkkitapp例程开始之后就会进入配网模式，这在代码中怎么体现的呢？

二、代码分析

1、哪里是入口主函数？

int application_start(int argc, char **argv)
{aos_set_log_level(AOS_LL_DEBUG);printf("Hello liefyuan\r\n");netmgr_init();aos_register_event_filter(EV_KEY, linkkit_key_process, NULL);aos_register_event_filter(EV_WIFI, wifi_service_event, NULL);aos_register_event_filter(EV_YUNIO, cloud_service_event, NULL);set_iotx_info();aos_task_new("netmgr", start_netmgr, NULL, 4096);aos_loop_run();return 0;
}

打印了信息，说明确实是以这个函数作为入口的。

enter low level!
mac fc:ee:e6: 8:6c:b7
leave low level!
app_init finished
start-----------hal
trace config close!!!
[000004]<V> aos framework init.
Hello liefyuan
[000004]<V> IOTX_AWSS_START

2、哪里是进入配网模式的？

死办法，如下：

int application_start(int argc, char **argv)
{aos_set_log_level(AOS_LL_DEBUG);printf("Hello 1\r\n");netmgr_init();printf("Hello 2\r\n");aos_register_event_filter(EV_KEY, linkkit_key_process, NULL);printf("Hello 3\r\n");aos_register_event_filter(EV_WIFI, wifi_service_event, NULL);printf("Hello 4\r\n");aos_register_event_filter(EV_YUNIO, cloud_service_event, NULL);printf("Hello 5\r\n");set_iotx_info();printf("Hello 6\r\n");aos_task_new("netmgr", start_netmgr, NULL, 4096);printf("Hello 7\r\n");aos_loop_run();printf("Hello 8\r\n");return 0;
}

打印信息

trace config close!!!
[000004]<V> aos framework init.
Hello 1
Hello 2
Hello 3
Hello 4
Hello 5
Hello 6
Hello 7
[000006]<V> IOTX_AWSS_START
awss version: smarthome-bd18d6d<DEBUG> [zconfig_init#2115] : awss lib smarthome-bd18d6dSoft_AP_start

可以推测出来，以下就是进入配网模式的函数。

 aos_task_new("netmgr", start_netmgr, NULL, 4096);

3、配网模式函数：aos_task_new(“netmgr”, start_netmgr, NULL, 4096);

看看它的的定义：
可以看出这是个任务创建函数，有点FreeRTOS的任务创建风格。路径为：AliOS-Things\include\aos\kernel.h

/*** Create a task.** @param[in]  name       task name.* @param[in]  fn         function to run.* @param[in]  arg        argument of the function.* @param[in]  stacksize  stack-size in bytes.** @return  0: success.*/
int aos_task_new(const char *name, void (*fn)(void *), void *arg, int stack_size);

于是知道了start_netmgr是个函数名字，看看这个函数是咋样的：

static void start_netmgr(void *p)
{iotx_event_regist_cb(linkkit_event_monitor);netmgr_start(true);aos_task_exit(0);
}

从函数名上可以看到，这个函数里面注册了一个事件回调函数：

/*** @brief event list used for iotx_regist_event_monitor_cb*/
enum iotx_event_t {IOTX_AWSS_START = 0x1000,       // AWSS start without enbale, just supports device discoverIOTX_AWSS_ENABLE,               // AWSS enableIOTX_AWSS_LOCK_CHAN,            // AWSS lock channel(Got AWSS sync packet)IOTX_AWSS_CS_ERR,               // AWSS AWSS checksum is errorIOTX_AWSS_PASSWD_ERR,           // AWSS decrypt passwd errorIOTX_AWSS_GOT_SSID_PASSWD,      // AWSS parse ssid and passwd successfullyIOTX_AWSS_CONNECT_ADHA,         // AWSS try to connnect adha (device discover, router solution)IOTX_AWSS_CONNECT_ADHA_FAIL,    // AWSS fails to connect adhaIOTX_AWSS_CONNECT_AHA,          // AWSS try to connect aha (AP solution)IOTX_AWSS_CONNECT_AHA_FAIL,     // AWSS fails to connect ahaIOTX_AWSS_SETUP_NOTIFY,         // AWSS sends out device setup information (AP and router solution)IOTX_AWSS_CONNECT_ROUTER,       // AWSS try to connect destination routerIOTX_AWSS_CONNECT_ROUTER_FAIL,  // AWSS fails to connect destination router.IOTX_AWSS_GOT_IP,               // AWSS connects destination successfully and got ip addressIOTX_AWSS_SUC_NOTIFY,           // AWSS sends out success notify (AWSS sucess)IOTX_AWSS_BIND_NOTIFY,          // AWSS sends out bind notify information to support bind between user and deviceIOTX_CONN_CLOUD = 0x2000,       // Device try to connect cloudIOTX_CONN_CLOUD_FAIL,           // Device fails to connect cloud, refer to net_sockets.h for error codeIOTX_CONN_CLOUD_SUC,            // Device connects cloud successfullyIOTX_RESET = 0x3000,            // Linkkit reset success (just got reset response from cloud without any other operation)
};/*** @brief register callback to monitor all event from system.*             注册监控回调函数来监控所有来自系统的事件* @param callback, when some event occurs, the system will trigger callback to user.*                  refer to enum iotx_event_t for event list supported.*          当有某些时间发生时，系统将触发用户的回调函数，事件列表上列举的事件类型都支持* @return 0 when success, -1 when fail.* @note: user should make sure that callback is not block and runs to complete fast.*/
extern int iotx_event_regist_cb(void (*monitor_cb)(int event));

看看事件监视器函数linkkit_event_monitor()是咋样的：

linkkit_event_monit函数不能阻塞运行，应该要运行一些能够快速运行的操作
如果用户想要做一些费时的复杂操作，用户应该创建一个任务来做，
而不是在linkkit_event_monit函数中去做复杂操作。

/** Note:* the linkkit_event_monitor must not block and should run to complete fast* if user wants to do complex operation with much time,* user should post one task to do this, not implement complex operation in* linkkit_event_monitor*/static void linkkit_event_monitor(int event)
{switch (event) {case IOTX_AWSS_START: // AWSS start without enbale, just supports device// discover// operate led to indicate userLOG("IOTX_AWSS_START");break;case IOTX_AWSS_ENABLE: // AWSS enableLOG("IOTX_AWSS_ENABLE");// operate led to indicate userbreak;case IOTX_AWSS_LOCK_CHAN: // AWSS lock channel(Got AWSS sync packet)LOG("IOTX_AWSS_LOCK_CHAN");// operate led to indicate userbreak;case IOTX_AWSS_PASSWD_ERR: // AWSS decrypt passwd errorLOG("IOTX_AWSS_PASSWD_ERR");// operate led to indicate userbreak;case IOTX_AWSS_GOT_SSID_PASSWD:LOG("IOTX_AWSS_GOT_SSID_PASSWD");// operate led to indicate userbreak;case IOTX_AWSS_CONNECT_ADHA: // AWSS try to connnect adha (device// discover, router solution)LOG("IOTX_AWSS_CONNECT_ADHA");// operate led to indicate userbreak;case IOTX_AWSS_CONNECT_ADHA_FAIL: // AWSS fails to connect adhaLOG("IOTX_AWSS_CONNECT_ADHA_FAIL");// operate led to indicate userbreak;case IOTX_AWSS_CONNECT_AHA: // AWSS try to connect aha (AP solution)LOG("IOTX_AWSS_CONNECT_AHA");// operate led to indicate userbreak;case IOTX_AWSS_CONNECT_AHA_FAIL: // AWSS fails to connect ahaLOG("IOTX_AWSS_CONNECT_AHA_FAIL");// operate led to indicate userbreak;case IOTX_AWSS_SETUP_NOTIFY: // AWSS sends out device setup information// (AP and router solution)LOG("IOTX_AWSS_SETUP_NOTIFY");// operate led to indicate userbreak;case IOTX_AWSS_CONNECT_ROUTER: // AWSS try to connect destination routerLOG("IOTX_AWSS_CONNECT_ROUTER");// operate led to indicate userbreak;case IOTX_AWSS_CONNECT_ROUTER_FAIL: // AWSS fails to connect destination// router.LOG("IOTX_AWSS_CONNECT_ROUTER_FAIL");// operate led to indicate userbreak;case IOTX_AWSS_GOT_IP: // AWSS connects destination successfully and got// ip addressLOG("IOTX_AWSS_GOT_IP");// operate led to indicate userbreak;case IOTX_AWSS_SUC_NOTIFY: // AWSS sends out success notify (AWSS// sucess)LOG("IOTX_AWSS_SUC_NOTIFY");// operate led to indicate userbreak;case IOTX_AWSS_BIND_NOTIFY: // AWSS sends out bind notify information to// support bind between user and deviceLOG("IOTX_AWSS_BIND_NOTIFY");// operate led to indicate userbreak;case IOTX_CONN_CLOUD: // Device try to connect cloudLOG("IOTX_CONN_CLOUD");// operate led to indicate userbreak;case IOTX_CONN_CLOUD_FAIL: // Device fails to connect cloud, refer to// net_sockets.h for error codeLOG("IOTX_CONN_CLOUD_FAIL");// operate led to indicate userbreak;case IOTX_CONN_CLOUD_SUC: // Device connects cloud successfullyLOG("IOTX_CONN_CLOUD_SUC");// operate led to indicate userbreak;case IOTX_RESET: // Linkkit reset success (just got reset response from// cloud without any other operation)LOG("IOTX_RESET");// operate led to indicate userbreak;default:break;}
}

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