NXPHD6UL-IoT工控板用戶手冊

1. 產(chǎn)品簡介 ·······················································································6 

1.1 硬件參數(shù)······················································································· 6 

1.2 撥碼開關(guān)與指示燈說明 ···································································· 8 

1.3 軟件特性設(shè)備管理 ·········································································· 8 

2. 產(chǎn)品快速使用說明 ···········································································9 

2.1 啟動選擇······················································································· 9 

2.2 串串口登錄······················································································· 9 

2.2.1 串口硬件連接 ·········································································· 9 

2.2.2 使用串口終端登錄 ··································································· 10 

2.3 關(guān)機(jī)和重啟 ·················································································· 12 

2.4 查看系統(tǒng)信息 ··············································································· 12 

2.4.1 查看內(nèi)核版本 ········································································· 12 

2.4.2 查看內(nèi)存使用情況 ··································································· 12 

2.4.3 查看磁盤使用情況 ··································································· 13 

2.4.4 查看磁盤分區(qū)信息 ··································································· 13 

2.4.5 查看 CPU 信息 ········································································ 13 

2.5 網(wǎng)絡(luò)設(shè)置······················································································ 14 

2.5.1 獲取網(wǎng)絡(luò)信息 ········································································· 14 

2.5.2 設(shè)置 IP 與子網(wǎng)掩碼 ·································································· 14 

2.5.3 設(shè)置默認(rèn)網(wǎng)關(guān) ········································································· 15 

2.5.4 關(guān)閉/啟動網(wǎng)卡 ········································································· 15 

2.5.5 設(shè)置 DNS ··············································································· 16 

2.5.6 開機(jī)自動設(shè)置網(wǎng)絡(luò)參數(shù) ····························································· 16 

2.5.7 注意事項 ··············································································· 17 

2.6 網(wǎng)絡(luò)登錄······················································································ 17 

2.7 USB 鼠標(biāo)與 USB 鍵盤使用 ······························································ 18 

2.8 TF 卡使用 ···················································································· 19 

2.9 U 盤使用 ······················································································ 19 

2.10 與 PC 互傳文件 ············································································· 20 

2.11 LED 測試 ····················································································· 22 

2.12 蜂鳴器測試 ·················································································· 23 

2.13 CAN 測試 ···················································································· 23 

2.14 串口測試······················································································ 23 

2.15 液晶背光設(shè)置 ··············································································· 28 

2.16 音頻播放測試 ··············································································· 28 

2.17 WIFI 測試 ···················································································· 28 

2.18 時鐘設(shè)置······················································································ 30 

2.19 4G 網(wǎng)絡(luò)測試 ················································································· 30 

3. Linux 應(yīng)用程序開發(fā) ········································································ 32 

3.1 安裝 Linux 操作系統(tǒng) ······································································· 32 

3.1.1 VMware 軟件 ·········································································· 32 

3.1.2 創(chuàng)建和配置虛擬機(jī) ··································································· 37 

3.1.3 安裝 Ubuntu ············································································ 47 

3.1.4 安裝 VMware Tool ···································································· 55 

3.1.5 虛擬機(jī)和主機(jī)之間傳輸文件 ······················································· 56 

3.1.6 Ubuntu 操作簡介 ······································································ 60 

3.2 嵌入式 Linux 開發(fā)簡介 ···································································· 64 

3.3 安裝交叉編譯器 ············································································ 65 

3.3.1 安裝編譯內(nèi)核的交叉編譯器 ······················································· 65 

3.3.2 安裝編譯應(yīng)用程序的交叉編譯器 ················································· 65 

3.3.3 設(shè)置 PATH 環(huán)境變量 ································································· 72 

3.4 Hello，World! ··············································································· 72 

3.4.1 編寫 HelloWorld 源程序 ····························································· 73 

3.4.2 編譯 helloworld 程序 ································································· 73 

3.4.3 下載程序 ··············································································· 73 

3.4.4 運(yùn)行程序 ··············································································· 73 

3.5 QT 編程 ······················································································· 74 

3.5.1 QT 介紹 ················································································· 74 

3.5.2 QT 開發(fā)環(huán)境搭建 ····································································· 74 

3.5.3 Tslib—觸摸屏校準(zhǔn) ··································································· 80 

3.5.4 Hello，World! ········································································· 80 

3.6 示例程序介紹 ··············································································· 86 

3.6.1 Hello World ············································································· 86 

3.6.2 LED 示例 ··············································································· 86 

3.6.3 蜂鳴器示例 ············································································ 86 

3.6.4 串口編程示例 ········································································· 87 

3.6.5 CAN 編程示例 ········································································ 87 

3.6.6 網(wǎng)絡(luò)編程示例 ········································································· 87 

3.6.7 數(shù)據(jù)庫編程示例 ······································································ 89 

4. Web 控制系統(tǒng) ··············································································· 90 

4.1 嵌入式 Web 開發(fā)簡介······································································ 90 

4.1.1 嵌入式 Web 服務(wù)器 ·································································· 90 

4.1.2 CGI ······················································································ 90 

4.2 Boa 服務(wù)器 ··················································································· 90 

4.2.1 Boa 服務(wù)器簡介 ······································································· 90 

4.2.2 編譯 Boa 服務(wù)器 ······································································ 91 

4.2.3 Boa 服務(wù)器配置 ······································································· 91 

4.3 Web 開發(fā)環(huán)境搭建 ········································································· 92 

4.4 Web 開發(fā)實例 ··············································································· 92 

4.4.1 靜態(tài)網(wǎng)頁 ··············································································· 92 

4.4.2 使用 CGI 程序的動態(tài)網(wǎng)頁 ·························································· 93 

5. U-Boot ························································································· 95 

5.1 U-Boot 簡介 ·················································································· 95 

5.1.1 Bootloader 簡介 ······································································· 95 

5.1.2 U-Boot 介紹 ············································································ 95  

5 5.1.3 U-Boot 工作原理 ······································································ 95 

5.2 U-Boot 基本命令 ············································································ 96 

5.2.1 查看命令列表 ········································································· 96 

5.2.2 環(huán)境變量 ··············································································· 99 

5.2.3 網(wǎng)絡(luò)命令 ············································································· 100 

5.2.4 Nand Flash 命令 ····································································· 101 

5.2.5 啟動命令 ············································································· 102 

5.2.6 組合命令 ············································································· 102 

5.2.7 重啟命令 ············································································· 103 

5.3 U-Boot 工具 ················································································ 103 

6. Linux 內(nèi)核 ·················································································· 104 

6.1 內(nèi)核簡介···················································································· 104 

6.1.1 概述···················································································· 104 

6.1.2 Linux 內(nèi)核源碼······································································ 104 

6.1.3 Linux 內(nèi)核配置系統(tǒng) ······························································· 105 

6.2 編譯內(nèi)核···················································································· 108

7. 文件系統(tǒng) ···················································································· 110 

7.1 文件系統(tǒng)介紹 ············································································· 110 

7.1.1 根文件系統(tǒng)目錄結(jié)構(gòu) ······························································ 110 

7.1.2 根文件系統(tǒng)類型 ···································································· 110 

7.2 設(shè)置開機(jī)自啟動程序 ···································································· 112 

7.3 動態(tài)加載模塊 ············································································· 112 

8. 系統(tǒng)恢復(fù)與更新 ··········································································· 113 

8.1 Nand Flash 分區(qū) ··········································································· 113 

8.2 燒寫系統(tǒng)映像 ············································································· 113 

8.2.1 硬件連接 ············································································· 113 

8.2.2 使用 MtgTools 軟件進(jìn)行燒寫 ···················································· 114 

8.3 燒寫 U-Boot 映像 ········································································· 115 

8.4 燒寫 DTB ··················································································· 115 

8.5 燒寫 Linux 操作系統(tǒng) ····································································· 116 

8.6 制作根文件系統(tǒng) ·········································································· 116 

8.7 編譯 Linux 操作系統(tǒng) ····································································· 117 

9. 免責(zé)聲明 ···················································································· 118 

10. 聯(lián)系我們 ·················································································· 119 

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