add mqttclient to the component, and add fire stm32f429 board demo.

board/Fire_STM32F429/TOS-CONFIG/mqtt_config.h

@@ -0,0 +1,45 @@
+/*
+ * @Author: jiejie
+ * @Github: https://github.com/jiejieTop
+ * @Date: 2019-12-15 00:42:16
+ * @LastEditTime : 2020-01-16 00:39:23
+ * @Description: the code belongs to jiejie, please keep the author information and source code according to the license.
+ */
+#ifndef _MQTT_CONFIG_H_
+#define _MQTT_CONFIG_H_
+
+#define     MQTT_NO                             0
+#define     MQTT_YES                            1
+
+#define     MQTT_MAX_PACKET_ID                  (0xFFFF - 1)
+#define     MQTT_TOPIC_LEN_MAX                  64
+#define     MQTT_ACK_HANDLER_NUM_MAX            64
+#define     MQTT_DEFAULT_BUF_SIZE               1024
+#define     MQTT_DEFAULT_CMD_TIMEOUT            4000
+#define     MQTT_MAX_CMD_TIMEOUT                20000
+#define     MQTT_MIN_CMD_TIMEOUT                1000
+#define     MQTT_KEEP_ALIVE_INTERVAL            20      // unit: second
+#define     MQTT_VERSION                        4       // 4 is mqtt 3.1.1
+#define     MQTT_RECONNECT_DEFAULT_DURATION     1000
+#define     MQTT_THREAD_STACK_SIZE              2048
+#define     MQTT_THREAD_PRIO                    5
+#define     MQTT_THREAD_TICK                    50
+
+
+#define     MQTT_NETWORK_TYPE_TLS               MQTT_YES
+
+
+#if MQTT_NETWORK_TYPE_TLS
+
+    #define MQTT_TLS_HANDSHAKE_TIMEOUT  (5 * 1000)
+
+    #include "mbedtls/config.h"
+    #include "mbedtls/ssl.h"
+    #include "mbedtls/entropy.h"
+    #include "mbedtls/net_sockets.h"
+    #include "mbedtls/ctr_drbg.h"
+    #include "mbedtls/error.h"
+    #include "mbedtls/debug.h"
+#endif /* MQTT_NETWORK_TYPE_TLS */
+
+#endif /* _MQTT_CONFIG_H_ */