#include "msp430x54x.h"
void main(void)
{
WDTCTL = WDTPW + WDTHOLD; //停止看门狗定时器
P1DIR |= 0x01; // 设P1.0为输出
TA1CTL = RT1SSEL_0 + MC_2 + TAIE; // ACLK, 定时器A计数模式,且开中断功能
_BIS_SR(LPM3_bits + GIE); //进入LPM3 低功耗模式和开总中断允许
}
#pragma vector=TIMER0_A1_VECTOR
__interrupt void Timer_A(void)
{
P1OUT ^= BIT0;
}
我的理解是Timer到时溢出触发中断，LED状态改变，那这个Timer是多长呢！？请高手指点！
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也比较奇怪
#include "msp430x54x.h"
void main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
P1DIR |= 0x01; // P1.0 output
TA0CCTL0 = CCIE; // CCR0 interrupt enabled
//TA0CCR0 = 50000;
TA0CTL = TASSEL_2 + MC_2 + TACLR; // SMCLK, contmode, clear TAR
__bis_SR_register(LPM4_bits + GIE); // Enter LPM0, enable interrupts
__no_operation(); // For debugger
}
// Timer2 interrupt service routine
#pragma vector=TIMER0_A0_VECTOR
__interrupt void TIMER0_A0_ISR(void)
{
P1OUT ^= 0x01; // Toggle P1.0
//TA0CCR0 += 50000; // Add Offset to CCR0
}
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