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1、#include io430.h#include in430.h#include shumaguan.hvoid UartPutchar(unsigned char c);unsigned char UartGetchar();unsigned char temp=0;unsigned char number2=0;void main( void ) WDTCTL = WDTPW + WDTHOLD; / Stop WDT BCSCTL1 = CALBC1_1MHZ; / Set DCO DCOCTL = CALDCO_1MHZ; P1DIR|=BIT6; P1OUT&=BIT6; P1SEL
2、 = BIT1 + BIT2; / P1.1为 RXD, P1.2为TXD P1SEL2 = BIT1 + BIT2; / P1.1为 RXD, P1.2为TXD UCA0CTL1 |= UCSSEL_2; / 选择时钟BRCLK UCA0BR0 = 106; / 1MHz 9600 UCA0BR1 = 0; / 1MHz 9600 UCA0MCTL = UCBRS2 + UCBRS0; / 波特率=BRCLK/(UBR+(M7+.0)/8) UCA0CTL1 &= UCSWRST; / 初始化顺序:SWRST=1设置串口，然后设置SWRST=0,最后设置相应中断 IE2 |= UCA0RXI
3、E; / 使能接收中断 while(1) /UartPutchar(9); display_int(temp,0); delay(); /*UART接收中断*/#pragma vector=USCIAB0RX_VECTOR_interrupt void USCI0RX_ISR(void) /while (!(IFG2&UCA0TXIFG); / 等待发送完成 /UCA0TXBUF = UCA0RXBUF; / TX - RXed character temp=UCA0RXBUF;/*UART发送字节函数*/void UartPutchar(unsigned char c) while(!(IFG2 & UCA0TXIFG); /待发送为空 UCA0TXBUF=c; IFG2 &=UCA0RXIFG;/*UART接收字节数据*/unsigned char UartGetchar()unsigned char c; while(!(IFG2 & UCA0RXIFG); /等待接收完成 c=UCA0RXBUF; IFG2 &=UCA0TXIFG; return c;/*智能控制工作室*/
串口通信UART(msp430g2553)
