51單片機(jī)c語(yǔ)言編程100例

1、1192目錄實(shí)例3：用單片機(jī)控制第一個(gè)燈亮............................................................................3實(shí)例4：用單片機(jī)控制一個(gè)燈閃爍：認(rèn)識(shí)單片機(jī)的工作頻率................................3實(shí)例5：將P1口狀態(tài)分別送入P0、P2、P3口：認(rèn)識(shí)IO口的引腳功能............4實(shí)例6：使用P3口流水點(diǎn)亮8位L

2、ED.......................................................................4實(shí)例7：通過對(duì)P3口地址的操作流水點(diǎn)亮8位LED...............................................5實(shí)例8：用不同數(shù)據(jù)類型控制燈閃爍時(shí)間........................................................

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

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

5、...................................................10實(shí)例15：用P0口顯示按位“異或“運(yùn)算結(jié)果...........................................................10實(shí)例16：用P0顯示左移運(yùn)算結(jié)果.....................................................................

6、.....10實(shí)例17：“萬能邏輯電路“實(shí)驗(yàn).................................................................................11實(shí)例18：用右移運(yùn)算流水點(diǎn)亮P1口8位LED.......................................................11實(shí)例19：用if語(yǔ)句控制P0口8位LED的流水方向...........

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

8、............................................................15實(shí)例23：用dowhile語(yǔ)句控制P0口8位LED流水點(diǎn)亮......................................15實(shí)例24：用字符型數(shù)組控制P0口8位LED流水點(diǎn)亮..........................................16實(shí)例25：用P0口顯示字符串常量....

9、....................................................................17實(shí)例26：用P0口顯示指針運(yùn)算結(jié)果.....................................................................18實(shí)例27：用指針數(shù)組控制P0口8位LED流水點(diǎn)亮......................................

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

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

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

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

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

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

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

17、作.......................................122實(shí)例88：基于AT24C02的多機(jī)通信讀取程序..................................................127實(shí)例88：基于AT24C02的多機(jī)通信寫入程序....................................................131實(shí)例90：DS18B20溫度檢測(cè)及其液晶顯示.

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

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

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

21、.......................................174實(shí)例99：?jiǎn)纹瑱C(jī)數(shù)據(jù)發(fā)送程序..............................................................................183實(shí)例100：電機(jī)轉(zhuǎn)速表設(shè)計(jì)......................................................................

22、..............184模擬霍爾脈沖...........................................................................................................189函數(shù)的使用和熟悉實(shí)例實(shí)例3：用單片機(jī)控制第一個(gè)燈亮：用單片機(jī)控制第一個(gè)燈亮#include包含51單片機(jī)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(shí)例實(shí)例4：用單片機(jī)控制一個(gè)燈閃爍：認(rèn)識(shí)單片機(jī)的工作頻率：用單片機(jī)控制一個(gè)燈閃爍：認(rèn)識(shí)單片機(jī)的工作頻率#include包含單片機(jī)寄存器的頭文件函數(shù)功能：延時(shí)一段時(shí)間voiddelay(void)兩個(gè)void意思分別為無需返回值，沒有參數(shù)傳遞unsignedinti定義無符號(hào)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(gè)機(jī)器周期函數(shù)