MSP430F169部分外围设备初始化代码
来源：华强电子网
作者：华仔
浏览：414
时间：2016-08-10 14:18
标签：
摘要：
初始化时钟，以XT2为系统时钟：BCSCTL1&=~XT2OFF; //启动XT2振荡器BCSCTL2|=SELM1; //MCLK为XT2do{IFG1&=~OFIFG;for(i=0xFF;i>0;i--);}while((IFG1&OFIFG)!=0);初始化串口0:void init_UART0(void){UCTL0 &= ~SWRST; UCTL0 |=CHAR;//0X10;UBR0
初始化时钟，以XT2为系统时钟：BCSCTL1&=~XT2OFF; //启动XT2振荡器BCSCTL2|=SELM1; //MCLK为XT2do{IFG1&=~OFIFG;for(i=0xFF;i>0;i--);}while((IFG1&OFIFG)!=0);初始化串口0:void init_UART0(void){UCTL0 &= ~SWRST; UCTL0 |=CHAR;//0X10;UBR00 = 0x03;UBR10 = 0x00;UMCTL0 = 0x4A;UTCTL0 = SSEL0;//0X10;ME1 |= UTXE0+URXE0 ; //enable the UART0IE1 |=URXIE0;}初始化串口1:void init_UART1(void){unsigned int temp;ME2 |= UTXE1 + URXE1; // Enable USART1 TXD/RXDUCTL1 |= CHAR; // 8-bit characterUTCTL1 |= SSEL0; // UCLK = ACLKUBR01 = 0x03; // 32k/9600 - 3.41UBR11 = 0x00; //UMCTL1 = 0x4A; // ModulationUCTL1 &= ~SWRST; // Initialize USART state machineIE2 |= URXIE1; // Enable USART1 RX interruptfor(temp=0;temp{uart_Host_Rbuf[temp]=0;}}初始化Timer_A：void init_ta(void){CCTL0 = CCIE; // CCR0 interrupt enabled CCR0 = 400;TACTL = TASSEL_1 + ID_3+TACLR; // ACLK, 8分频 递增模式TACTL|=MC_1; //Timer A mode control: 1 - Up to CCR0}
