除了显示驱动，其余全部测试通过

mqtt/mqtt_manager.h

@@ -0,0 +1,88 @@
+#ifndef MQTT_MANAGER_H
+#define MQTT_MANAGER_H
+
+
+#include <stdint.h>
+
+
+
+/*
+ * MQTT状态
+ */
+typedef enum
+{
+    MQTT_STATE_INIT = 0,
+    MQTT_STATE_CONNECTING,
+    MQTT_STATE_CONNECTED,
+    MQTT_STATE_DISCONNECTED,
+    MQTT_STATE_ERROR
+
+} mqtt_state_t;
+
+
+
+/*
+ * MQTT消息接收回调
+ *
+ * topic:
+ *      主题
+ *
+ * payload:
+ *      数据
+ *
+ * len:
+ *      长度
+ */
+typedef void (*mqtt_message_callback_t)//函数指针==指针==保存函数地址的指针
+(
+    const char *topic,
+    const uint8_t *payload,
+    uint32_t len
+);
+
+
+
+/*
+ * MQTT初始化
+ */
+int mqtt_manager_init(void);
+
+
+
+/*
+ * 启动MQTT任务
+ */
+int mqtt_manager_start(void);
+
+
+
+/*
+ * 发布数据
+ */
+int mqtt_manager_publish
+(
+    const char *topic,
+    const uint8_t *data,
+    uint32_t len
+);
+
+
+
+/*
+ * 设置接收回调
+ */
+void mqtt_manager_set_callback
+(
+    mqtt_message_callback_t callback
+);
+
+
+
+/*
+ * 获取MQTT状态
+ */
+mqtt_state_t mqtt_manager_get_state(void);
+
+
+
+#endif