diff --git a/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/mqttclient.c b/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/mqttclient.c
new file mode 100644
index 00000000..5f7dd127
--- /dev/null
+++ b/board/TencentOS_tiny_EVB_MX_Plus/BSP/Src/mqttclient.c
@@ -0,0 +1,103 @@
+#include "stm32l4xx_hal.h"
+#include "mcu_init.h"
+#include "tos_k.h"
+#include "esp8266.h"
+#include "mqttclient.h"
+
+//#define USE_ESP8266
+
+#define USE_NB_BC35
+
+#ifdef USE_ESP8266
+static hal_uart_port_t esp8266_port = HAL_UART_PORT_0;
+
+void mqtt_set_esp8266_port(hal_uart_port_t port) {
+ esp8266_port = port;
+}
+#endif
+
+mqtt_client_t client;
+client_init_params_t init_params;
+
+static void tos_topic_handler(void* client, message_data_t* msg)
+{
+ (void) client;
+ LOG_I("-----------------------------------------------------------------------------------");
+ LOG_I("%s:%d %s()...\ntopic: %s, qos: %d. \nmessage:\n\t%s\n", __FILE__, __LINE__, __FUNCTION__,
+ msg->topic_name, msg->message->qos, (char*)msg->message->payload);
+ LOG_I("-----------------------------------------------------------------------------------\n");
+}
+
+
+void mqttclient_task(void)
+{
+ int error;
+
+ char buf[100] = { 0 };
+
+ mqtt_message_t msg;
+
+ memset(&msg, 0, sizeof(msg));
+
+#ifdef USE_ESP8266
+ esp8266_sal_init(esp8266_port);
+ esp8266_join_ap("Supowang", "13975428888");
+#endif
+
+#ifdef USE_NB_BC35
+ int bc35_28_95_sal_init(hal_uart_port_t uart_port);
+ bc35_28_95_sal_init(HAL_UART_PORT_0);
+#endif
+
+ init_params.read_buf_size = 256;
+ init_params.write_buf_size = 256;
+
+#ifdef MQTT_NETWORK_TYPE_TLS
+ init_params.connect_params.network_params.network_ssl_params.ca_crt = test_ca_get();
+ init_params.connect_params.network_params.port = "8883";
+#else
+ init_params.connect_params.network_params.port = "1883";
+#endif
+ init_params.connect_params.network_params.addr = "111.230.189.156"; //"47.95.164.112";//"jiejie01.top"; //"129.204.201.235"; //"192.168.1.101";
+
+ init_params.connect_params.user_name = "RUAP1R610Vsupowang;12010126;80LJ2;1621294860"; // random_string(10); //"jiejietop-acer1";
+ init_params.connect_params.password = "2e90a9f1e604f2f0473355228c3d59276951aa8e6ed4d27f270f05ee8a4d0983;hmacsha256"; //random_string(10); // "123456";
+ init_params.connect_params.client_id = "RUAP1R610Vsupowang";; //random_string(10); // "clientid-acer1";
+ init_params.connect_params.clean_session = 1;
+
+ log_init();
+
+ mqtt_init(&client, &init_params);
+
+ error = mqtt_connect(&client);
+
+ LOG_D("mqtt connect error is %#x", error);
+
+ mqtt_subscribe(&client, "RUAP1R610V/supowang/data", QOS0, tos_topic_handler);
+
+ LOG_D("mqtt subscribe error is %#x", error);
+
+ memset(&msg, 0, sizeof(msg));
+
+ for (;;) {
+
+ sprintf(buf, "welcome to mqttclient, this is a publish test, a rand number: %d ...", random_number());
+
+ msg.qos = QOS0;
+ msg.payload = (void *) buf;
+
+ error = mqtt_publish(&client, "RUAP1R610V/supowang/data", &msg);
+
+ tos_task_delay(4000);
+ }
+}
+
+
+void application_entry(void *arg)
+{
+ mqttclient_task();
+ while (1) {
+ printf("This is a mqtt demo!\r\n");
+ tos_task_delay(1000);
+ }
+}
diff --git a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/TencentOS_tiny.uvoptx b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/TencentOS_tiny.uvoptx
new file mode 100644
index 00000000..823f5e9d
--- /dev/null
+++ b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/TencentOS_tiny.uvoptx
@@ -0,0 +1,1679 @@
+
+
+
+ 1.0
+
+ ### uVision Project, (C) Keil Software
+
+
+ *.c
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+ *.obj; *.o
+ *.lib
+ *.txt; *.h; *.inc
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+
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+
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diff --git a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/TencentOS_tiny.uvprojx b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/TencentOS_tiny.uvprojx
new file mode 100644
index 00000000..1c8caafe
--- /dev/null
+++ b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/TencentOS_tiny.uvprojx
@@ -0,0 +1,1027 @@
+
+
+
+ 2.1
+
+ ### uVision Project, (C) Keil Software
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+ USE_HAL_DRIVER,STM32L431xx
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+
+ tos_message_queue.c
+ 1
+ ..\..\..\..\kernel\core\tos_message_queue.c
+
+
+ tos_mmblk.c
+ 1
+ ..\..\..\..\kernel\core\tos_mmblk.c
+
+
+ tos_mmheap.c
+ 1
+ ..\..\..\..\kernel\core\tos_mmheap.c
+
+
+ tos_mutex.c
+ 1
+ ..\..\..\..\kernel\core\tos_mutex.c
+
+
+ tos_pend.c
+ 1
+ ..\..\..\..\kernel\core\tos_pend.c
+
+
+ tos_priority_mail_queue.c
+ 1
+ ..\..\..\..\kernel\core\tos_priority_mail_queue.c
+
+
+ tos_priority_message_queue.c
+ 1
+ ..\..\..\..\kernel\core\tos_priority_message_queue.c
+
+
+ tos_priority_queue.c
+ 1
+ ..\..\..\..\kernel\core\tos_priority_queue.c
+
+
+ tos_ring_queue.c
+ 1
+ ..\..\..\..\kernel\core\tos_ring_queue.c
+
+
+ tos_robin.c
+ 1
+ ..\..\..\..\kernel\core\tos_robin.c
+
+
+ tos_sched.c
+ 1
+ ..\..\..\..\kernel\core\tos_sched.c
+
+
+ tos_sem.c
+ 1
+ ..\..\..\..\kernel\core\tos_sem.c
+
+
+ tos_sys.c
+ 1
+ ..\..\..\..\kernel\core\tos_sys.c
+
+
+ tos_task.c
+ 1
+ ..\..\..\..\kernel\core\tos_task.c
+
+
+ tos_tick.c
+ 1
+ ..\..\..\..\kernel\core\tos_tick.c
+
+
+ tos_time.c
+ 1
+ ..\..\..\..\kernel\core\tos_time.c
+
+
+ tos_timer.c
+ 1
+ ..\..\..\..\kernel\core\tos_timer.c
+
+
+
+
+ cpu
+
+
+ port_s.S
+ 2
+ ..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc\port_s.S
+
+
+ tos_cpu.c
+ 1
+ ..\..\..\..\arch\arm\arm-v7m\common\tos_cpu.c
+
+
+ port_c.c
+ 1
+ ..\..\..\..\arch\arm\arm-v7m\cortex-m4\armcc\port_c.c
+
+
+
+
+ cmsis
+
+
+ cmsis_os.c
+ 1
+ ..\..\..\..\osal\cmsis_os\cmsis_os.c
+
+
+
+
+ config
+
+
+ tos_config.h
+ 5
+ ..\..\TOS-CONFIG\tos_config.h
+
+
+
+
+ at
+
+
+ tos_at.c
+ 1
+ ..\..\..\..\net\at\src\tos_at.c
+
+
+ tos_at_utils.c
+ 1
+ ..\..\..\..\net\at\src\tos_at_utils.c
+
+
+ sal_module_wrapper.c
+ 1
+ ..\..\..\..\net\sal_module_wrapper\sal_module_wrapper.c
+
+
+
+
+ devices
+
+
+ bc35_28_95.c
+ 1
+ ..\..\..\..\devices\bc35_28_95\bc35_28_95.c
+
+
+ esp8266.c
+ 1
+ ..\..\..\..\devices\esp8266\esp8266.c
+
+
+
+
+ hal
+
+
+ tos_hal_uart.c
+ 1
+ ..\..\..\..\platform\hal\st\stm32l4xx\src\tos_hal_uart.c
+
+
+
+
+ mqttclient
+
+
+ mqttclient.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqttclient\mqttclient.c
+
+
+
+
+ mqttclient/mqtt
+
+
+ MQTTConnectClient.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTConnectClient.c
+
+
+ MQTTConnectServer.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTConnectServer.c
+
+
+ MQTTDeserializePublish.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTDeserializePublish.c
+
+
+ MQTTFormat.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTFormat.c
+
+
+ MQTTPacket.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTPacket.c
+
+
+ MQTTSerializePublish.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTSerializePublish.c
+
+
+ MQTTSubscribeClient.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTSubscribeClient.c
+
+
+ MQTTSubscribeServer.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTSubscribeServer.c
+
+
+ MQTTUnsubscribeClient.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTUnsubscribeClient.c
+
+
+ MQTTUnsubscribeServer.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\mqtt\MQTTUnsubscribeServer.c
+
+
+
+
+ mqttclient/salof
+
+
+ arch.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\common\log\arch\tencentos-tiny\arch.c
+
+
+ fifo.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\common\log\fifo.c
+
+
+ format.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\common\log\format.c
+
+
+ salof.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\common\log\salof.c
+
+
+ salof_config.h
+ 5
+ ..\..\..\..\components\connectivity\mqttclient\common\log\salof_config.h
+
+
+
+
+ mqttclient/common
+
+
+ list.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\common\list.c
+
+
+ random.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\common\random.c
+
+
+ error.h
+ 5
+ ..\..\..\..\components\connectivity\mqttclient\common\error.h
+
+
+ log.h
+ 5
+ ..\..\..\..\components\connectivity\mqttclient\common\log.h
+
+
+
+
+ mqttclient/network
+
+
+ network.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\network\network.c
+
+
+
+
+ mqttclient/platform
+
+
+ platform_memory.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\platform\TencentOS-tiny\platform_memory.c
+
+
+ platform_mutex.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\platform\TencentOS-tiny\platform_mutex.c
+
+
+ platform_net_socket.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\platform\TencentOS-tiny\platform_net_socket.c
+
+
+ platform_nettype_tcp.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\platform\TencentOS-tiny\platform_nettype_tcp.c
+
+
+ platform_nettype_tls.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\platform\TencentOS-tiny\platform_nettype_tls.c
+
+
+ platform_thread.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\platform\TencentOS-tiny\platform_thread.c
+
+
+ platform_timer.c
+ 1
+ ..\..\..\..\components\connectivity\mqttclient\platform\TencentOS-tiny\platform_timer.c
+
+
+
+
+ mqttclient/config
+
+
+ mqtt_config.h
+ 5
+ ..\..\TOS-CONFIG\mqtt_config.h
+
+
+
+
+ ::CMSIS
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/startup_stm32l431xx.s b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/startup_stm32l431xx.s
new file mode 100644
index 00000000..6a5c15a5
--- /dev/null
+++ b/board/TencentOS_tiny_EVB_MX_Plus/KEIL/mqttclient/startup_stm32l431xx.s
@@ -0,0 +1,404 @@
+;********************** COPYRIGHT(c) 2017 STMicroelectronics ******************
+;* File Name : startup_stm32l431xx.s
+;* Author : MCD Application Team
+;* Description : STM32L431xx Ultra Low Power devices vector table for MDK-ARM toolchain.
+;* This module performs:
+;* - Set the initial SP
+;* - Set the initial PC == Reset_Handler
+;* - Set the vector table entries with the exceptions ISR address
+;* - Branches to __main in the C library (which eventually
+;* calls main()).
+;* After Reset the Cortex-M4 processor is in Thread mode,
+;* priority is Privileged, and the Stack is set to Main.
+;* <<< Use Configuration Wizard in Context Menu >>>
+;*******************************************************************************
+;*
+;* Redistribution and use in source and binary forms, with or without modification,
+;* are permitted provided that the following conditions are met:
+;* 1. Redistributions of source code must retain the above copyright notice,
+;* this list of conditions and the following disclaimer.
+;* 2. Redistributions in binary form must reproduce the above copyright notice,
+;* this list of conditions and the following disclaimer in the documentation
+;* and/or other materials provided with the distribution.
+;* 3. Neither the name of STMicroelectronics nor the names of its contributors
+;* may be used to endorse or promote products derived from this software
+;* without specific prior written permission.
+;*
+;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+;*
+;*******************************************************************************
+;
+; Amount of memory (in bytes) allocated for Stack
+; Tailor this value to your application needs
+; Stack Configuration
+; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
+;
+
+Stack_Size EQU 0x100
+
+ AREA STACK, NOINIT, READWRITE, ALIGN=3
+Stack_Mem SPACE Stack_Size
+__initial_sp
+
+
+; Heap Configuration
+; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
+;
+
+Heap_Size EQU 0x100
+
+ AREA HEAP, NOINIT, READWRITE, ALIGN=3
+__heap_base
+Heap_Mem SPACE Heap_Size
+__heap_limit
+
+ PRESERVE8
+ THUMB
+
+
+; Vector Table Mapped to Address 0 at Reset
+ AREA RESET, DATA, READONLY
+ EXPORT __Vectors
+ EXPORT __Vectors_End
+ EXPORT __Vectors_Size
+
+__Vectors DCD __initial_sp ; Top of Stack
+ DCD Reset_Handler ; Reset Handler
+ DCD NMI_Handler ; NMI Handler
+ DCD HardFault_Handler ; Hard Fault Handler
+ DCD MemManage_Handler ; MPU Fault Handler
+ DCD BusFault_Handler ; Bus Fault Handler
+ DCD UsageFault_Handler ; Usage Fault Handler
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD SVC_Handler ; SVCall Handler
+ DCD DebugMon_Handler ; Debug Monitor Handler
+ DCD 0 ; Reserved
+ DCD PendSV_Handler ; PendSV Handler
+ DCD SysTick_Handler ; SysTick Handler
+
+ ; External Interrupts
+ DCD WWDG_IRQHandler ; Window WatchDog
+ DCD PVD_PVM_IRQHandler ; PVD/PVM1/PVM2/PVM3/PVM4 through EXTI Line detection
+ DCD TAMP_STAMP_IRQHandler ; Tamper and TimeStamps through the EXTI line
+ DCD RTC_WKUP_IRQHandler ; RTC Wakeup through the EXTI line
+ DCD FLASH_IRQHandler ; FLASH
+ DCD RCC_IRQHandler ; RCC
+ DCD EXTI0_IRQHandler ; EXTI Line0
+ DCD EXTI1_IRQHandler ; EXTI Line1
+ DCD EXTI2_IRQHandler ; EXTI Line2
+ DCD EXTI3_IRQHandler ; EXTI Line3
+ DCD EXTI4_IRQHandler ; EXTI Line4
+ DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1
+ DCD DMA1_Channel2_IRQHandler ; DMA1 Channel 2
+ DCD DMA1_Channel3_IRQHandler ; DMA1 Channel 3
+ DCD DMA1_Channel4_IRQHandler ; DMA1 Channel 4
+ DCD DMA1_Channel5_IRQHandler ; DMA1 Channel 5
+ DCD DMA1_Channel6_IRQHandler ; DMA1 Channel 6
+ DCD DMA1_Channel7_IRQHandler ; DMA1 Channel 7
+ DCD ADC1_IRQHandler ; ADC1
+ DCD CAN1_TX_IRQHandler ; CAN1 TX
+ DCD CAN1_RX0_IRQHandler ; CAN1 RX0
+ DCD CAN1_RX1_IRQHandler ; CAN1 RX1
+ DCD CAN1_SCE_IRQHandler ; CAN1 SCE
+ DCD EXTI9_5_IRQHandler ; External Line[9:5]s
+ DCD TIM1_BRK_TIM15_IRQHandler ; TIM1 Break and TIM15
+ DCD TIM1_UP_TIM16_IRQHandler ; TIM1 Update and TIM16
+ DCD TIM1_TRG_COM_IRQHandler ; TIM1 Trigger and Commutation
+ DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare
+ DCD TIM2_IRQHandler ; TIM2
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD I2C1_EV_IRQHandler ; I2C1 Event
+ DCD I2C1_ER_IRQHandler ; I2C1 Error
+ DCD I2C2_EV_IRQHandler ; I2C2 Event
+ DCD I2C2_ER_IRQHandler ; I2C2 Error
+ DCD SPI1_IRQHandler ; SPI1
+ DCD SPI2_IRQHandler ; SPI2
+ DCD USART1_IRQHandler ; USART1
+ DCD USART2_IRQHandler ; USART2
+ DCD USART3_IRQHandler ; USART3
+ DCD EXTI15_10_IRQHandler ; External Line[15:10]
+ DCD RTC_Alarm_IRQHandler ; RTC Alarm (A and B) through EXTI Line
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD SDMMC1_IRQHandler ; SDMMC1
+ DCD 0 ; Reserved
+ DCD SPI3_IRQHandler ; SPI3
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD TIM6_DAC_IRQHandler ; TIM6 and DAC1&2 underrun errors
+ DCD TIM7_IRQHandler ; TIM7
+ DCD DMA2_Channel1_IRQHandler ; DMA2 Channel 1
+ DCD DMA2_Channel2_IRQHandler ; DMA2 Channel 2
+ DCD DMA2_Channel3_IRQHandler ; DMA2 Channel 3
+ DCD DMA2_Channel4_IRQHandler ; DMA2 Channel 4
+ DCD DMA2_Channel5_IRQHandler ; DMA2 Channel 5
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD COMP_IRQHandler ; COMP Interrupt
+ DCD LPTIM1_IRQHandler ; LP TIM1 interrupt
+ DCD LPTIM2_IRQHandler ; LP TIM2 interrupt
+ DCD 0 ; Reserved
+ DCD DMA2_Channel6_IRQHandler ; DMA2 Channel 6
+ DCD DMA2_Channel7_IRQHandler ; DMA2 Channel 7
+ DCD LPUART1_IRQHandler ; LP UART1 interrupt
+ DCD QUADSPI_IRQHandler ; Quad SPI global interrupt
+ DCD I2C3_EV_IRQHandler ; I2C3 event
+ DCD I2C3_ER_IRQHandler ; I2C3 error
+ DCD SAI1_IRQHandler ; Serial Audio Interface 1 global interrupt
+ DCD 0 ; Reserved
+ DCD SWPMI1_IRQHandler ; Serial Wire Interface 1 global interrupt
+ DCD TSC_IRQHandler ; Touch Sense Controller global interrupt
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD RNG_IRQHandler ; RNG global interrupt
+ DCD FPU_IRQHandler ; FPU
+ DCD CRS_IRQHandler ; CRS interrupt
+
+__Vectors_End
+
+__Vectors_Size EQU __Vectors_End - __Vectors
+
+ AREA |.text|, CODE, READONLY
+
+; Reset handler
+Reset_Handler PROC
+ EXPORT Reset_Handler [WEAK]
+ IMPORT SystemInit
+ IMPORT __main
+
+ LDR R0, =SystemInit
+ BLX R0
+ LDR R0, =__main
+ BX R0
+ ENDP
+
+; Dummy Exception Handlers (infinite loops which can be modified)
+
+NMI_Handler PROC
+ EXPORT NMI_Handler [WEAK]
+ B .
+ ENDP
+HardFault_Handler\
+ PROC
+ EXPORT HardFault_Handler [WEAK]
+ B .
+ ENDP
+MemManage_Handler\
+ PROC
+ EXPORT MemManage_Handler [WEAK]
+ B .
+ ENDP
+BusFault_Handler\
+ PROC
+ EXPORT BusFault_Handler [WEAK]
+ B .
+ ENDP
+UsageFault_Handler\
+ PROC
+ EXPORT UsageFault_Handler [WEAK]
+ B .
+ ENDP
+SVC_Handler PROC
+ EXPORT SVC_Handler [WEAK]
+ B .
+ ENDP
+DebugMon_Handler\
+ PROC
+ EXPORT DebugMon_Handler [WEAK]
+ B .
+ ENDP
+PendSV_Handler PROC
+ EXPORT PendSV_Handler [WEAK]
+ B .
+ ENDP
+SysTick_Handler PROC
+ EXPORT SysTick_Handler [WEAK]
+ B .
+ ENDP
+
+Default_Handler PROC
+
+ EXPORT WWDG_IRQHandler [WEAK]
+ EXPORT PVD_PVM_IRQHandler [WEAK]
+ EXPORT TAMP_STAMP_IRQHandler [WEAK]
+ EXPORT RTC_WKUP_IRQHandler [WEAK]
+ EXPORT FLASH_IRQHandler [WEAK]
+ EXPORT RCC_IRQHandler [WEAK]
+ EXPORT EXTI0_IRQHandler [WEAK]
+ EXPORT EXTI1_IRQHandler [WEAK]
+ EXPORT EXTI2_IRQHandler [WEAK]
+ EXPORT EXTI3_IRQHandler [WEAK]
+ EXPORT EXTI4_IRQHandler [WEAK]
+ EXPORT DMA1_Channel1_IRQHandler [WEAK]
+ EXPORT DMA1_Channel2_IRQHandler [WEAK]
+ EXPORT DMA1_Channel3_IRQHandler [WEAK]
+ EXPORT DMA1_Channel4_IRQHandler [WEAK]
+ EXPORT DMA1_Channel5_IRQHandler [WEAK]
+ EXPORT DMA1_Channel6_IRQHandler [WEAK]
+ EXPORT DMA1_Channel7_IRQHandler [WEAK]
+ EXPORT ADC1_IRQHandler [WEAK]
+ EXPORT CAN1_TX_IRQHandler [WEAK]
+ EXPORT CAN1_RX0_IRQHandler [WEAK]
+ EXPORT CAN1_RX1_IRQHandler [WEAK]
+ EXPORT CAN1_SCE_IRQHandler [WEAK]
+ EXPORT EXTI9_5_IRQHandler [WEAK]
+ EXPORT TIM1_BRK_TIM15_IRQHandler [WEAK]
+ EXPORT TIM1_UP_TIM16_IRQHandler [WEAK]
+ EXPORT TIM1_TRG_COM_IRQHandler [WEAK]
+ EXPORT TIM1_CC_IRQHandler [WEAK]
+ EXPORT TIM2_IRQHandler [WEAK]
+ EXPORT I2C1_EV_IRQHandler [WEAK]
+ EXPORT I2C1_ER_IRQHandler [WEAK]
+ EXPORT I2C2_EV_IRQHandler [WEAK]
+ EXPORT I2C2_ER_IRQHandler [WEAK]
+ EXPORT SPI1_IRQHandler [WEAK]
+ EXPORT SPI2_IRQHandler [WEAK]
+ EXPORT USART1_IRQHandler [WEAK]
+ EXPORT USART2_IRQHandler [WEAK]
+ EXPORT USART3_IRQHandler [WEAK]
+ EXPORT EXTI15_10_IRQHandler [WEAK]
+ EXPORT RTC_Alarm_IRQHandler [WEAK]
+ EXPORT SDMMC1_IRQHandler [WEAK]
+ EXPORT SPI3_IRQHandler [WEAK]
+ EXPORT TIM6_DAC_IRQHandler [WEAK]
+ EXPORT TIM7_IRQHandler [WEAK]
+ EXPORT DMA2_Channel1_IRQHandler [WEAK]
+ EXPORT DMA2_Channel2_IRQHandler [WEAK]
+ EXPORT DMA2_Channel3_IRQHandler [WEAK]
+ EXPORT DMA2_Channel4_IRQHandler [WEAK]
+ EXPORT DMA2_Channel5_IRQHandler [WEAK]
+ EXPORT COMP_IRQHandler [WEAK]
+ EXPORT LPTIM1_IRQHandler [WEAK]
+ EXPORT LPTIM2_IRQHandler [WEAK]
+ EXPORT DMA2_Channel6_IRQHandler [WEAK]
+ EXPORT DMA2_Channel7_IRQHandler [WEAK]
+ EXPORT LPUART1_IRQHandler [WEAK]
+ EXPORT QUADSPI_IRQHandler [WEAK]
+ EXPORT I2C3_EV_IRQHandler [WEAK]
+ EXPORT I2C3_ER_IRQHandler [WEAK]
+ EXPORT SAI1_IRQHandler [WEAK]
+ EXPORT SWPMI1_IRQHandler [WEAK]
+ EXPORT TSC_IRQHandler [WEAK]
+ EXPORT RNG_IRQHandler [WEAK]
+ EXPORT FPU_IRQHandler [WEAK]
+ EXPORT CRS_IRQHandler [WEAK]
+
+WWDG_IRQHandler
+PVD_PVM_IRQHandler
+TAMP_STAMP_IRQHandler
+RTC_WKUP_IRQHandler
+FLASH_IRQHandler
+RCC_IRQHandler
+EXTI0_IRQHandler
+EXTI1_IRQHandler
+EXTI2_IRQHandler
+EXTI3_IRQHandler
+EXTI4_IRQHandler
+DMA1_Channel1_IRQHandler
+DMA1_Channel2_IRQHandler
+DMA1_Channel3_IRQHandler
+DMA1_Channel4_IRQHandler
+DMA1_Channel5_IRQHandler
+DMA1_Channel6_IRQHandler
+DMA1_Channel7_IRQHandler
+ADC1_IRQHandler
+CAN1_TX_IRQHandler
+CAN1_RX0_IRQHandler
+CAN1_RX1_IRQHandler
+CAN1_SCE_IRQHandler
+EXTI9_5_IRQHandler
+TIM1_BRK_TIM15_IRQHandler
+TIM1_UP_TIM16_IRQHandler
+TIM1_TRG_COM_IRQHandler
+TIM1_CC_IRQHandler
+TIM2_IRQHandler
+I2C1_EV_IRQHandler
+I2C1_ER_IRQHandler
+I2C2_EV_IRQHandler
+I2C2_ER_IRQHandler
+SPI1_IRQHandler
+SPI2_IRQHandler
+USART1_IRQHandler
+USART2_IRQHandler
+USART3_IRQHandler
+EXTI15_10_IRQHandler
+RTC_Alarm_IRQHandler
+SDMMC1_IRQHandler
+SPI3_IRQHandler
+TIM6_DAC_IRQHandler
+TIM7_IRQHandler
+DMA2_Channel1_IRQHandler
+DMA2_Channel2_IRQHandler
+DMA2_Channel3_IRQHandler
+DMA2_Channel4_IRQHandler
+DMA2_Channel5_IRQHandler
+COMP_IRQHandler
+LPTIM1_IRQHandler
+LPTIM2_IRQHandler
+DMA2_Channel6_IRQHandler
+DMA2_Channel7_IRQHandler
+LPUART1_IRQHandler
+QUADSPI_IRQHandler
+I2C3_EV_IRQHandler
+I2C3_ER_IRQHandler
+SAI1_IRQHandler
+SWPMI1_IRQHandler
+TSC_IRQHandler
+RNG_IRQHandler
+FPU_IRQHandler
+CRS_IRQHandler
+
+ B .
+
+ ENDP
+
+ ALIGN
+
+;*******************************************************************************
+; User Stack and Heap initialization
+;*******************************************************************************
+ IF :DEF:__MICROLIB
+
+ EXPORT __initial_sp
+ EXPORT __heap_base
+ EXPORT __heap_limit
+
+ ELSE
+
+ IMPORT __use_two_region_memory
+ EXPORT __user_initial_stackheap
+
+__user_initial_stackheap
+
+ LDR R0, = Heap_Mem
+ LDR R1, =(Stack_Mem + Stack_Size)
+ LDR R2, = (Heap_Mem + Heap_Size)
+ LDR R3, = Stack_Mem
+ BX LR
+
+ ALIGN
+
+ ENDIF
+
+ END
+
+;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE*****
diff --git a/board/TencentOS_tiny_EVB_MX_Plus/TOS-CONFIG/mqtt_config.h b/board/TencentOS_tiny_EVB_MX_Plus/TOS-CONFIG/mqtt_config.h
new file mode 100644
index 00000000..c2caeb53
--- /dev/null
+++ b/board/TencentOS_tiny_EVB_MX_Plus/TOS-CONFIG/mqtt_config.h
@@ -0,0 +1,48 @@
+/*
+ * @Author: jiejie
+ * @Github: https://github.com/jiejieTop
+ * @Date: 2019-12-15 00:42:16
+ * @LastEditTime: 2020-02-25 09:25:35
+ * @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 LOG_IS_SALOF
+
+#define LOG_LEVEL DEBUG_LEVEL //WARN_LEVEL DEBUG_LEVEL
+
+#ifdef LOG_IS_SALOF
+ #define USE_LOG (1U)
+ #define USE_SALOF (1U)
+ #define SALOF_OS USE_TENCENTOS
+ #define USE_IDLE_HOOK (0U)
+ #define LOG_COLOR (0U)
+ #define LOG_TS (0U)
+ #define LOG_TAR (0U)
+ #define SALOF_BUFF_SIZE (512U)
+ #define SALOF_FIFO_SIZE (1024U)
+ #define SALOF_TASK_STACK_SIZE (1024U)
+ #define SALOF_TASK_TICK (50U)
+#endif
+
+
+#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 100 // 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_NETSOCKET_USE_AT
+
+//#define MQTT_NETWORK_TYPE_TLS
+
+#endif /* _MQTT_CONFIG_H_ */