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          EEPW首頁(yè) > 嵌入式系統(tǒng) > 設(shè)計(jì)應(yīng)用 > AVR M16實(shí)驗(yàn)之十 串口

          AVR M16實(shí)驗(yàn)之十 串口

          作者: 時(shí)間:2016-11-25 來(lái)源:網(wǎng)絡(luò) 收藏
          /**********************************************************************
          * 文件名稱: main.c
          * 程序作者: kidcao1987
          * 程序版本: V1.0
          * 功能描述: 接上串口,在串口調(diào)試助手里顯示
          “Serial Communication Test!
          曹佃生的串口測(cè)試程序!!QQ:289718970
          http://bbs.cepark.com”
          * 編譯器:WinAVR-20090313
          * 芯片:ATmega16,外部11.0592MHZ晶振
          * 技術(shù)支持:http://bbs.cepark.com
          **********************************************************************/

          #include
          #include
          #include

          #define BAUD 9600

          volatile unsigned char ucReceivedData; //接收到的數(shù)據(jù)
          unsigned char const ucStr1[]={"Serial Communication Test!"};
          unsigned char const ucStr2[]={"曹佃生的串口測(cè)試程序!!QQ:289718970"};
          unsigned char const ucStr3[]={"http://bbs.cepark.com"};


          void USARTInit(void); //初始化
          void USARTTransmitData(unsigned char); //發(fā)送數(shù)據(jù)
          void USARTTransmitString(unsigned char const *pStr); //發(fā)送字符串


          int main(void)
          {
          PORTD = 0x03;
          DDRD = 0x02; //PD0輸入 PD1輸出

          PORTB = 0xff;
          DDRB = 0xff; //LED指示燈

          USARTInit();

          USARTTransmitString(ucStr1);
          USARTTransmitString(ucStr2);
          USARTTransmitString(ucStr3);
          sei();
          while(1)
          {
          USARTTransmitString(ucStr1);
          USARTTransmitString(ucStr2);
          USARTTransmitString(ucStr3);
          USARTTransmitData(0x0d);
          USARTTransmitData(0x0a);
          _delay_ms(2000);
          }
          }


          void USARTInit(void) //初始化
          {
          UCSRA = 0X00;
          UCSRC |= (1<UBRRL = (11059200 / BAUD / 16 - 1) % 256; //波特率設(shè)置為9600
          UBRRH = (11059200 / BAUD / 16 - 1) / 256;
          UCSRB |= (1 << RXCIE) | (1 << RXEN) | (1 << TXEN); //接收中斷使能,接收使能,發(fā)送使能
          }



          void USARTTransmitData(unsigned char ucTransmitData)
          {
          while(!(UCSRA & (1<
          UDR = ucTransmitData; //發(fā)送
          }



          void USARTTransmitString(const unsigned char* pStr)
          {
          while(*pStr != 看屁屁www成人影院,亚洲人妻成人图片,亚洲精品成人午夜在线,日韩在线 欧美成人 (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })();