include "msp430.h"
//功能：用TIMERA0 讓P1.0口輸出PWM 用TIMERB讓LED閃爍
//問題：這兩個定時器代碼分開可以實現想要的功能 合并在一起使用LED閃爍功能無法實現
int main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
P1DIR |= 0x01; // Set P1.0 to output direction
//定時器A部分
P1DIR |= BIT0+BIT2;
P1SEL |= BIT0+BIT2;
TA0CCR0 = 1000-1;
TA0CCTL1 = OUTMOD_7;
TA0CCR1 = 500;
TA0CTL = TASSEL_1 + MC_1 + TACLR;
//定時器B部分
TBCCTL0 = CCIE; // TBCCR0 interrupt enabled
TBCCR0 = 50000;
TBCTL = TBSSEL_2 + MC_1 + TBCLR; // SMCLK, upmode, clear TBR
__bis_SR_register(LPM0_bits + GIE); // Enter LPM0, enable interrupts
//進入低功耗模式0 使能全局中斷
__no_operation(); // For debugger
}
#pragma vector=TIMERB0_VECTOR
__interrupt void TIMERB0_ISR (void)
{
P1OUT ^= 0x01; // Toggle P1.0 using exclusive-OR
}
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