add qcloud explorer ota sample

examples/qcloud_iot_explorer_sdk_data_template/entry.c

@@ -0,0 +1,46 @@
+#include "tos_k.h"
+
+/* 用户根据自己的底层通信链路来配置此宏
+ * 如果是基于以太网lwip的链路，这里应该定义 USE_LWIP
+ * 如果是基于模组的通信链路，这里应该定义相应的模组宏，如使用ESP8266则定义 USE_ESP8266
+ * */
+#define USE_ESP8266
+
+#ifdef USE_LWIP
+#include "lwip/api.h"
+#include "lwip/sockets.h"
+#include "lwip/err.h"
+#include "lwip/sys.h"
+#endif
+
+#ifdef USE_ESP8266
+#include "esp8266.h"
+#endif
+
+void application_entry(void *arg)
+{
+#ifdef USE_LWIP
+    dns_init();
+    MX_LWIP_Init();
+#endif
+
+#ifdef USE_ESP8266
+    extern int esp8266_sal_init(hal_uart_port_t uart_port);
+    extern int esp8266_join_ap(const char *ssid, const char *pwd);
+    esp8266_sal_init(HAL_UART_PORT_0);
+    esp8266_join_ap("SheldonDai", "srnr6x9xbhmb0");
+#endif
+
+#ifdef USE_NB_BC35
+    extern int bc35_28_95_sal_init(hal_uart_port_t uart_port);
+    bc35_28_95_sal_init(HAL_UART_PORT_0);
+#endif
+
+    data_template_light_thread();
+
+    while (1) {
+        printf("This is a qcloud explorer sdk data template demo!\r\n");
+        tos_task_delay(1000);
+    }
+}
+