分类：设计开发    下载：0    浏览：708    时间：2017-08-29

MT7681 IoT Wi‐Fi Firmware Programming Guide Contents 1 Introduction..................................................................................................................................................................5 1.1 Flow Chart Symbols.........................................................................................................................................5 1.2 Keywords.........................................................................................................................................................5 2 SW Structure................................................................................................................................................................6 2.1 Flow chart........................................................................................................................................................6 3 File Structure................................................................................................................................................................6 4 FIRMWARE boot UP flow.............................................................................................................................................7 5 Customer Hook Function..............................................................................................................................................7 6 Customer UART‐TO‐WIFI Function...............................................................................................................................8 7 Flash settings Load/Storage.......................................................................................................................................10 8 AT Command..............................................................................................................................................................12 8.1 Flow chart:.....................................................................................................................................................12 8.2 Function Description......................................................................................................................................12 8.3 How to add a new AT command.....................................................................................................................13 9 Data Command...........................................................................................................................................................13 9.1 Flow chart:.....................................................................................................................................................13 9.2 Function Description......................................................................................................................................14 9.3 How to add a new Data command.................................................................................................................14 10 Security APIS...............................................................................................................................................................15 11 Timer APIs...................................................................................................................................................................15 12 Interfae APIs...............................................................................................................................................................16 12.1 Flash...............................................................................................................................................................16 12.2 UART..............................................................................................................................................................17 12.3 LED / PWM.....................................................................................................................................................17 12.4 GPIO...............................................................................................................................................................18 12.5 GPIO/Pin Mode Set........................................................................................................................................21 13 Flash Partitions...........................................................................................................................................................22 14 Compiler Setup...........................................................................................................................................................23 15 AT Command Usage...................................................................................................................................................24 15.1 Display version...............................................................................................................................................24 15.2 Reboot the system.........................................................................................................................................24 15.3 Set Default.....................................................................................................................................................24 15.4 Switch channel...............................................................................................................................................24 15.5 Configure UART interface..............................................................................................................................24 15.6 Update Firmware from Uart...........................................................................................................................24

分类：无线软件    下载：1    浏览：530    时间：2017-08-29

 MT7681是一款联发科（MTK）2014年新推出的高度集成Wi-Fi SoC（片上系统）智能家居系统芯片，支持IEEE802.11b/g/n单数据流，提供GPIO和PWM智能控制，低功耗低成本小封装，支持Smart Connection，主要针对如灯泡、门锁、插座等小型设备，支持802.11n，可轻松为嵌入式设备设计网络服务，整合电源管理单元、低杂讯放大器、射频切换器，所有功能都整合在40针脚的5*5毫米的封装中，为现今尺寸最小的支持IEEE802.11n标准的SoC。 MT7681芯片的推出随即引来的广大嵌入式开发攻城狮，程序猿和电子爱好者的关注和亲睐，鉴于MTK官方资料匮乏和帮助嵌入式WIFI模块在物联网行业的推广，本文作者亲验MT7681 SDK环境搭建，并结合本文勘误，以飨读者。

分类：设计开发    下载：0    浏览：675    时间：2017-08-29

MT7681 编译环境搭建指南 文档说明，此文档旨在协助客户搭建好MT7681 的软体编译环境，不涉及到软件的烧录以及测试的相关信息是在MTK_AndesToolChains_Usage_v0.02_20140415.pdf 的基础上进行整理的。

分类：无线软件    下载：0    浏览：692    时间：2017-08-29

MT7681 IoT FAQ 1 Source Code Compile...................................................................................................................................................5 1.1 How to Setup AndeSight SDK............................................................................................................................5 1.2 How to create new project in AndeSight / How to import MTK7681 SDK to AndeSight..................................5 1.3 How to compile source code for Recovery FW , Sta FW, AP FW......................................................................6 1.4 SDK编译后生成ap，sta，recovery，all等文件，哪个文件才是我最终要烧录的，..................................6 1.5 Compile Source Code fail ‐‐ .BSS is not within region SRAM............................................................................6 2 FW Upgrade..................................................................................................................................................................6 2.1 FW upgrade method........................................................................................................................................6 2.2 How to change AP mode and Station Mode.....................................................................................................6 2.3 Why there is a Recovery Mode.........................................................................................................................7 2.4 How to set recovery mode duration.................................................................................................................7 3 APK Install and usage...................................................................................................................................................8 3.1 手机安装IoTManager_v0.94_1_android4.0.apk，显示是“解析包时出现问题”...........................................8 4 System Coding..............................................................................................................................................................8 4.1 Printf_High() /DBGPRINTF_HIGH() 输出LOG的开关........................................................................................8 4.2 flash分区里reserved的区域有没有其他特殊用途？可不可以拿来保存一些数据.....................................8 4.3 打开 CFG_SUPPORT_TCPIP 宏使用AT命令的TCP功能。编译时出现错误...................................................9 4.4 为什么使用IoT_gpio_output() 设定某个GPIO为1后，一会后莫名其妙又被拉低...................................9 5 Connection Development.............................................................................................................................................9 5.1 MT7681 Support mode 和Bandwidth.............................................................................................................9 5.2 一般 C程式有entry point,即main(), 請問一個IoT application 的entry point在哪裡?..................................9 5.3 How to get mt7681 MAC address.....................................................................................................................9 5.4 在sta模式下连接ap，但是我要怎么来判断连接成功与否？？？............................................................10 5.5 如何自动获取IP，是通过uip中的dhcpc相关函数吗？？？.......................................................................10 5.6 如何進行SW reset. 將IP/SSID 等參數 reset成出廠設定值.......................................................................10 5.7 现在的1.10版本好像没有mem_alloc及mem_free函数.............................................................................11 5.8 结构体_WIFI_STATE的说明性文档，每个状态代表什么意义....................................................................11 5.9 Smart Connection的station config数据结构.................................................................................................11 5.10 Smart Connection的(station config)数据存取及清除...................................................................................12 5.11 使用宏 CFG_SUPPORT_MTK_SMNT=1 来控制是否使用 MTK的smart connection.................................12 5.12 How to get PMK.............................................................................................................................................13 6 Application Development...........................................................................................................................................14 6.1 How to send TCP/UDP packet.........................................................................................................................14 6.2 IoT application內要scan AP, 連到AP, 建TCP + SSL ...等,要參考哪些 APIs document?..............................14 6.3 数据从服务器转发到7681，数据包格式是怎样的，经过解包之后是怎样的数据类型？....................14 6.4 SDK中有TCP和UDP两种方式， UDP/TCP是什么情况下使用的呢？.........................................................14 6.5 MT7681透过AP Router与Internet Server，请问这个Internet Server做"转发"作用外，还有哪些作用呢？ 15 6.6 是否有获取网络时间的协议Support SNTP, NTP..........................................................................................15 6.7 Set up the TCP connection on MT7681..........................................................................................................15 6.8 Cannot use AT Cmd “Netmode ,Channel, SoftAPConf and TCP_Connect ”…..............................................16

分类：设计开发    下载：7    浏览：676    时间：2017-08-29

MT7681 IoT Wi‐Fi Calibration SOP 1 了解Calibration参数的存放位置........................................................................................................................................4 1.1 依照文件：MT7681_IoT_WIFI_Firmware_Programming_Guide.pdf......................................................................4 1.2 调整前default.bin 的准备......................................................................................................................................4 1.3 调整方式‐Uart.........................................................................................................................................................5 2 TX Mode 调整过程.............................................................................................................................................................5 2.1 进入Calibration Mode.............................................................................................................................................5 2.2 用default.bin 校准频偏（XTAL trim）.................................................................................................................5 2.3 测试Channelx 的 TXpower....................................................................................................................................6 2.4 存储调整参数 (以Tx Power为例)...........................................................................................................................6 2.4.1 将TXpower 调整值写入Chip Efuse 从0x52~0x5A 的位置......................................................................6 2.4.2 将TXpower调整值写入Flash EEPROM Block 从0x52~0x5A 的位置........................................................7 3 Rx Mode 调整过程..............................................................................................................................................................7 3.1 Rx调整前准备.........................................................................................................................................................7 3.2 RX Test 测试方法...................................................................................................................................................7