51單片機c語言編程100例

1、1192目錄實例3：用單片機控制第一個燈亮............................................................................3實例4：用單片機控制一個燈閃爍：認識單片機的工作頻率................................3實例5：將P1口狀態(tài)分別送入P0、P2、P3口：認識IO口的引腳功能............4實例6：使用P3口流水點亮8位L

2、ED.......................................................................4實例7：通過對P3口地址的操作流水點亮8位LED...............................................5實例8：用不同數(shù)據(jù)類型控制燈閃爍時間........................................................

3、........6實例9：用P0口、P1口分別顯示加法和減法運算結(jié)果........................................8實例10：用P0、P1口顯示乘法運算結(jié)果................................................................8實例11：用P1、P0口顯示除法運算結(jié)果........................................

4、........................9實例12：用自增運算控制P0口8位LED流水花樣................................................9實例13：用P0口顯示邏輯“與“運算結(jié)果.................................................................9實例14：用P0口顯示條件運算結(jié)果...................

5、...................................................10實例15：用P0口顯示按位“異或“運算結(jié)果...........................................................10實例16：用P0顯示左移運算結(jié)果.....................................................................

6、.....10實例17：“萬能邏輯電路“實驗.................................................................................11實例18：用右移運算流水點亮P1口8位LED.......................................................11實例19：用if語句控制P0口8位LED的流水方向...........

7、...................................12實例20：用swtich語句的控制P0口8位LED的點亮狀態(tài)..................................12實例21：用f語句控制蜂鳴器鳴笛次數(shù).............................................................14實例22：用while語句控制LED..................

8、............................................................15實例23：用dowhile語句控制P0口8位LED流水點亮......................................15實例24：用字符型數(shù)組控制P0口8位LED流水點亮..........................................16實例25：用P0口顯示字符串常量....

9、....................................................................17實例26：用P0口顯示指針運算結(jié)果.....................................................................18實例27：用指針數(shù)組控制P0口8位LED流水點亮......................................

10、........18實例28：用數(shù)組的指針控制P0口8位LED流水點亮........................................19實例29：用P0、P1口顯示整型函數(shù)返回值........................................................20實例30：用有參函數(shù)控制P0口8位LED流水速度........................................

11、......21實例31：用數(shù)組作函數(shù)參數(shù)控制流水花樣............................................................22實例32：用指針作函數(shù)參數(shù)控制P0口8位LED流水點亮..................................23實例33：用函數(shù)型指針控制P1口燈花樣.................................................

12、.............24實例34：用指針數(shù)組作為函數(shù)的參數(shù)顯示多個字符串........................................25實例35：字符函數(shù)ctype.h應(yīng)用舉例......................................................................26實例36：內(nèi)部函數(shù)intrins.h應(yīng)用舉例.........................

13、............................................26實例37：標(biāo)準(zhǔn)函數(shù)stdlib.h應(yīng)用舉例......................................................................27實例38：字符串函數(shù)string.h應(yīng)用舉例...........................................................

14、.......28實例39：宏定義應(yīng)用舉例2.....................................................................................28實例40：宏定義應(yīng)用舉例2.....................................................................................29實例41：宏定義應(yīng)用舉

15、例3.....................................................................................29實例42：用定時器T0查詢方式P2口8位控制LED閃爍....................................30實例43：用定時器T1查詢方式控制單片機發(fā)出1KHz音頻................................30實例44

16、：將計數(shù)器T0計數(shù)的結(jié)果送P1口8位LED顯示....................................313192實例85：將數(shù)據(jù)“0x0f“寫入AT24C02再讀出送P1口顯示.................................110實例86：將按鍵次數(shù)寫入AT24C02，再讀出并用1602LCD顯示.......................115實例87：對I2C總線上掛接多個AT24C02的讀寫操

17、作.......................................122實例88：基于AT24C02的多機通信讀取程序..................................................127實例88：基于AT24C02的多機通信寫入程序....................................................131實例90：DS18B20溫度檢測及其液晶顯示.

18、.........................................................142實例91：將數(shù)據(jù)“0xaa“寫入X5045再讀出送P1口顯示.....................................151實例92：將流水燈控制碼寫入X5045并讀出送P1口顯示................................155實例93：對SPI總線上掛接多個X5045的讀寫操作.

19、..........................................158實例94：基于ADC0832的數(shù)字電壓表.................................................................163實例95：用DAC0832產(chǎn)生鋸齒波電壓.................................................................16

20、9實例96：用P1口顯示紅外遙控器的按鍵值........................................................169實例97：用紅外遙控器控制繼電器......................................................................172實例98：基于DS1302的日歷時鐘.................................

21、.......................................174實例99：單片機數(shù)據(jù)發(fā)送程序..............................................................................183實例100：電機轉(zhuǎn)速表設(shè)計......................................................................

22、..............184模擬霍爾脈沖...........................................................................................................189函數(shù)的使用和熟悉實例實例3：用單片機控制第一個燈亮：用單片機控制第一個燈亮#include包含51單片機寄存器定義的頭文件voidmain(void)while(1)無限循環(huán)

23、P1=0xfeP1=11111110B，即P1.0輸出低電平實例實例4：用單片機控制一個燈閃爍：認識單片機的工作頻率：用單片機控制一個燈閃爍：認識單片機的工作頻率#include包含單片機寄存器的頭文件函數(shù)功能：延時一段時間voiddelay(void)兩個void意思分別為無需返回值，沒有參數(shù)傳遞unsignedinti定義無符號整數(shù)，最大取值范圍65535f(i=0i20000i)做20000次空循環(huán)什么也不做，等待一個機器周期函數(shù)