基于A7102的無線透明傳輸模塊設計

電子信息工程論文編號:DZXX047  論文字數:10761,頁數:44

目錄

摘要 I
ABSTRACT II
第1章 引言 1
1.1設計背景 1
1.2 設計目標 1
第2章 系統方案比較 2
2.1 傳輸模塊方案比較 2
2.2 微處理器選擇比較 3
2.3 方案論證 3
第3章 系統總體設計和主要芯片選擇 4
3.1 系統總體設計 4
3.2 主要芯片介紹 4
3.2.1 STC11L04E 4
3.2.2 nRF903SE 5
第4章 系統硬件設計 6
4.1 電源模塊 6
4.2 串口通信模塊 6
4.3 無線通信模塊 7
4.3.1 模塊芯片及外圍電路 8
4.3.2 模塊性能及特點 8
4.3.3 接口電路管腳說明 9
4.3.4 SPI時序 10
4.3.5 無線通信模塊電路 10
4.4 微處理器外圍電路 11
第5章 系統軟件設計 12
5.1 主程序 12
5.2 串口設定驅動程序 12
5.3 nRF903模塊驅動程序 12
5.3.1模擬SPI 12
5.3.2模塊復位 13
5.3.3讀寫nRF903內部寄存器 14
第6章 系統調試 16
6.1 硬件調試 16
6.2 軟件調試 16
第7章 畢業設計總結 18
致謝 19
參考文獻 20
附錄I: 系統原理圖 21
附錄Ⅱ: 源代碼 22

摘要
 隨著信息技術的不斷發展，各種信息傳輸方式的廣泛應用，其中無線傳輸正成為其中的后起之秀，展現出巨大的生命力和市場前景。和有線傳輸相比，無線傳輸的優勢相當明顯：一是成本低，省去大量布線，使環境清爽簡潔；二是建網快捷，無需改造，即裝即用；三是適應性好，可應用于某些特殊環境；四是擴展性好，只需將設備與無線數據傳輸模塊相連接就可以投入使用[1]。
 正是由于無線傳輸方式的諸多優點，使其不斷的融入到百姓的學習、生活和工作中。相信隨著無線技術的不斷發展成熟，無線通信的應該領域會更加寬廣，成本會更加低廉，傳輸會更加可靠。
 本畢業設計就是通過STC11L04E單片機控制nRF903SE微功率無線通訊模塊，將數據從一臺計算機的串口發送數據至單片機，再通過nRF903SE無線通信模塊發送至另一塊RF903SE模塊，最終把數據傳輸到另一臺計算機，實現數據的透明傳輸。
 
關鍵詞：nRF903SE，STC11L04E，無線通信

ABSTRACT
 With the development of information technology, there are various of data transmission way in use, among them the wireless transmission develop much more fast, and it shows the grate vitality and the market prospect. Compare with traditional transmission, the advantage of wireless transmission is outstanding: firstly, wireless transmission is cheap and can reduce a lot of wire to make the environment clear; secondly it fast to build, needless to Revolution, can be used as it installed; thirty wireless transmission easy to adapt, can be used in special environment; lastly it is to expend, it can be used once you connect with other equipment.
    Because of all the advantage, the wireless transmission can be widely used in people's study, life and work. It can be seen with the development of wireless technology, wireless transmission will used more wide, more cheaper and more reliable.
    My graduation design is by using the micro processor of STC11L04E to control the RF903SE micropower wireless communication module for transmit data from a computer's serial port, then with the RF903SE micropower wireless communication module to send data to another RF903SE micropower wireless communication module, after that the RF903SE send the data to the another micro processor which connect to it, at last, the data successfully to the destination, the another computer. What we done achieve the transparent transmission of data.

Keywords: nRF903SE, STC11L04E, wireless communication